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Supplemental Information on Oil and Gas Producing Activities (Unaudited)
12 Months Ended
Dec. 31, 2022
Text block [abstract]  
Supplemental Information on Oil and Gas Producing Activities (Unaudited)
SUPPLEMENTAL INFORMATION ON OIL AND GAS PRODUCING ACTIVITIES (UNAUDITED)
The following information is presented in accordance with Accounting Standards Codification (“ASC”) No. 932 “Extractive Activities - Oil and Gas”, as amended by Accounting Standards Update (“ASU”) 2010 - 03 “Oil and Gas Reserves. Estimation and Disclosures”, issued by the Financial Accounting Standards Board (“FASB”) in January 2010.
Oil and gas reserves
Proved oil and gas reserves are those quantities of oil and gas which, by analysis of geoscience and engineering data, can be estimated with reasonable certainty to be economically producible (from a given date forward, from known reservoirs, and under existing economic conditions, operating methods and government regulations) prior to the time at which contracts providing the right to operate expire, unless evidence indicates that renewal is reasonably certain, regardless of whether deterministic or probabilistic methods are used for the estimation. The project to extract the hydrocarbons must have commenced or the operator must be reasonably certain that it will commence the project within reasonable time. In some cases, substantial investments in new wells and related facilities may be required to recover proved reserves.
Information on net proved reserves as of December 31, 2022, 2021 and 2020 was calculated in accordance with the SEC rules under ASC 932. Accordingly, crude oil prices used to determine reserves were calculated for crude oils of different quality produced by the Company. Consequently, to calculate our net proved reserves as of December 31, 2022, the Company considered, according to the SEC rules and FASB ASC 932 rules, the unweighted average realized price of crude oil for each month within the twelve-month period ended December 31, 2022, which refers to the domestic oil prices adjusted by each different quality produced by the Company.
Additionally, since there are no benchmark market natural gas prices available in Argentina, the Company considered the 12 months average of domestic market realized prices, according to the SEC rules and FASB ASC 932 rules, and it also took into account the effect of certain areas from the Neuquina basin where prices are set according to contracts awarded to YPF under the Plan GasAr 2020-2024 and the Plan GasAr 2023-2028 until their corresponding termination dates.
Notwithstanding the foregoing, commodity prices have fluctuated significantly in recent years.
Net reserves are defined as that portion of the gross reserves attributable to the interest of YPF after deducting interests owned by third parties. In determining net reserves, the Group excludes from its reported reserves royalties due to others, whether payable in cash or in kind, where the royalty owner has a direct interest in the underlying production and is able to make lifting and sales arrangements independently. By contrast, to the extent that royalty payments required to be made to a third party, whether payable in cash or in kind, are a financial obligation, or are substantially equivalent to a production or severance tax, the related reserves are not excluded from the reported reserves despite the fact that such payments are referred to as royalties under local regulations. The same methodology is followed in reporting our production amounts.
Gas reserves exclude the gaseous equivalent of liquids expected to be removed from the gas on concessions and leases, at field facilities and at gas processing plants. These liquids are included in net proved reserves of natural gas liquids.
Technology used in establishing proved reserves additions in 2022
YPF’s estimated proved reserves as of December 31, 2022 are based on estimates generated through the integration of available and appropriate data, utilizing well-established technologies that have been demonstrated in the field to yield repeatable and consistent results. Data used in these integrated assessments include information obtained directly from the subsurface via wellbore, such as well logs, reservoir core samples, fluid samples, static and dynamic pressure information, production test data, and surveillance and performance information. The data utilized also include subsurface information obtained through indirect measurements, including high quality
2-D
and
3-D
seismic data, calibrated with available well control. Where applicable, geological outcrops information was also utilized. The tools used to interpret and integrate all this data included both proprietary and commercial software for reservoir modeling, simulation and data analysis. In some circumstances, where appropriate analog reservoir models are available, reservoir parameters from these analog models were used to increase the reliability of our reserves estimates.
 
Reserves sensitivity
The impact of negative future fluctuations of oil and gas prices, and operating costs, in the estimated proved reserves, may be captured through a reserves sensitivity estimate.
Assuming all other factors remain constant, if commodity reference prices for crude oil used in our
year-end
reserve estimates were decreased by 10%, our total proved reserves as of December 31, 2022 would decrease by approximately 2%.
If natural gas prices used in our
year-end
reserve estimates decreased by 10%, our total proved reserves as of December 31, 2022 would decrease by approximately 1%.
Furthermore, assuming all other factors remain constant, if costs used in our
year-end
reserve estimates increased by 10% for crude oil and natural gas, our total proved reserves as of December 31, 2022 would decrease by approximately 3%.
However, if we combine the three mentioned effects, our total proved reserves as of December 31, 2022 would decrease by approximately 7%.
In addition, as a result of the prices used to calculate the present value of future net revenues from our proved reserves, in accordance with SEC rules, which are similar to the calculation of proved reserves described above, the present value of future net revenues from our proved reserves will not necessarily be the same as the current market value of our estimated crude oil and natural gas reserves.
 
 
Changes in YPF’s estimated net proved reserves
The table below sets forth information regarding changes in YPF’s net proved reserves for the year ended as of December 31, 2022, 2021 and 2020, by hydrocarbon product:
 
   
For the year ended December 31,
   
(millions of barrels)
   
2022
 
2021
 
2020
   
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
Oil and condensate
                                                                       
Consolidated entities
                                                                       
As of January 1,
 
 
643
 
 
 
        -
 
 
 
643
 
 
 
483
 
 
 
        -
 
 
 
483
 
 
 
613
 
 
 
        -
 
 
 
613
 
Developed
    322       -       322       229       -       229       301       -       301  
Undeveloped
    321       -       321       254       -       254       312       -       312  
Revisions of previous estimates
(1)
    (72)       -       (72)       161       -       161       (92)       -       (92)  
Extensions and discoveries
    125       -       125       76       -       76       47       -       47  
Improved recovery
    (7)       -       (7)       *       -       *       *       -       *  
Purchase of minerals in place
    -       -       -       *       -       *       -       -       -  
Sale of minerals in place
    -       -       -       -       -       -       (9)       -       (9)  
Production for the year
(2)
    (83)       -       (83)       (77)       -       (77)       (76)       -       (76)  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
As of December 31,
(3)
 
 
606
 
 
 
-
 
 
 
606
 
 
 
643
 
 
 
-
 
 
 
643
 
 
 
483
 
 
 
-
 
 
 
483
 
Developed
    262       -       262       322       -       322       229       -       229  
Undeveloped
    344       -       344       321       -       321       254       -       254  
Equity-accounted entities
                                                                       
As of January 1,
    -       -       -       -       -       -       -       -       -  
Developed
    -       -       -       -       -       -       -       -       -  
Undeveloped
    -       -       -       -       -       -       -       -       -  
Revisions of previous estimates
(1)
    -       -       -       -       -       -       -       -       -  
Extensions and discoveries
    -       -       -       -       -       -       -       -       -  
Improved recovery
    -       -       -       -       -       -       -       -       -  
Purchase of minerals in place
    -       -       -       -       -       -       -       -       -  
Sale of minerals in place
    -       -       -       -       -       -       -       -       -  
Production for the year
(2)
    -       -       -       -       -       -       -       -       -  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
As of December 31,
(3)
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
Developed
    -       -       -       -       -       -       -       -       -  
Undeveloped
    -       -       -       -       -       -       -       -       -  
 
 
   
For the year ended December 31,
   
(millions of barrels)
   
2022
 
2021
 
2020
   
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
Oil and condensate
                                                                       
Consolidated and Equity-accounted entities
                                                                       
As of January 1,
                                                                       
Developed
    322               -       322       229               -       229       301               -       301  
Undeveloped
    321       -       321       254       -       254       312       -       312  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
 
 
643
 
 
 
-
 
 
 
643
 
 
 
483
 
 
 
-
 
 
 
483
 
 
 
613
 
 
 
-
 
 
 
613
 
As of December 31,
                                                                       
Developed
    262       -       262       322       -       322       229       -       229  
Undeveloped
    344       -       344       321       -       321       254       -       254  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
 
 
606
 
 
 
-
 
 
 
606
 
 
 
643
 
 
 
-
 
 
 
643
 
 
 
483
 
 
 
-
 
 
 
483
 
 
*
Not material (less than 1).
(1)
Revisions in estimates of reserves are performed at least once a year. Revisions of oil and gas reserves are considered prospectively in the calculation of depreciation.
(2)
Crude oil production for the years ended on December 31, 2022, 2021 and 2020 includes an estimated of 12, 11 and 11 mmbbl, respectively, in respect of royalty payments which are a financial obligation or are substantially equivalent to a production or similar tax.
(3)
Proved crude oil reserves of consolidated entities for the years ended on December 31, 2022, 2021 and 2020 include an estimated of 82, 92 and 70 mmbbl, respectively, in respect of royalty payments which are a financial obligation or are substantially equivalent to a production or similar tax.
 
   
For the year ended December 31,
   
(millions of barrels)
   
2022
 
2021
 
2020
   
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
Natural gas liquids
                                                                       
Consolidated entities
                                                                       
As of January 1,
 
 
64
 
 
 
      -
 
 
 
64
 
 
 
63
 
 
 
      -
 
 
 
63
 
 
 
60
 
 
 
      -
 
 
 
60
 
Developed
    34       -       34       32       -       32       38       -       38  
Undeveloped
    30       -       30       31       -       31       22       -       22  
Revisions of previous estimates
(1)
    1       -       1       (5)       -       (5)       8       -       8  
Extensions and discoveries
    27       -       27       19       -       19       9       -       9  
Improved recovery
    -       -       -       -       -       -       -       -       -  
Purchase of minerals in place
    -       -       -       -       -       -       -       -       -  
Sale of minerals in place
    -       -       -       -       -       -       (1)       -       (1)  
Production for the year
(2)
    (15)       -       (15)       (13)       -       (13)       (13)       -       (13)  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
As of December 31,
(3)
 
 
77
 
 
 
-
 
 
 
77
 
 
 
64
 
 
 
-
 
 
 
64
 
 
 
63
 
 
 
-
 
 
 
63
 
Developed
    36       -       36       34       -       34       32       -       32  
Undeveloped
    41       -       41       30       -       30       31       -       31  
Equity-accounted entities
                                                                       
As of January 1,
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
Developed
    -       -       -       -       -       -       -       -       -  
Undeveloped
    -       -       -       -       -       -       -       -       -  
Revisions of previous estimates
(1)
    -       -       -       -       -       -       -       -       -  
Extensions and discoveries
    -       -       -       -       -       -       -       -       -  
Improved recovery
    -       -       -       -       -       -       -       -       -  
Purchase of minerals in place
    -       -       -       -       -       -       -       -       -  
Sale of minerals in place
    -       -       -       -       -       -       -       -       -  
Production for the year
(2)
    -       -       -       -       -       -       -       -       -  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
As of December 31,
(3)
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
Developed
    -       -       -       -       -       -       -       -       -  
Undeveloped
    -       -       -       -       -       -       -       -       -  
 
   
For the year ended December 31,
   
(millions of barrels)
   
2022
 
2021
 
2020
   
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
Natural gas liquids
                                                                       
Consolidated and Equity-accounted entities
                                                                       
As of January 1,
                                                                       
Developed
    34               -       34       32               -       32       38               -       38  
Undeveloped
    30       -       30       31       -       31       22       -       22  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
 
 
64
 
 
 
-
 
 
 
64
 
 
 
63
 
 
 
-
 
 
 
63
 
 
 
60
 
 
 
-
 
 
 
60
 
As of December 31,
                                                                       
Developed
    36       -       36       34       -       34       32       -       32  
Undeveloped
    41       -       41       30       -       30       31       -       31  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
 
 
77
 
 
 
-
 
 
 
77
 
 
 
64
 
 
 
-
 
 
 
64
 
 
 
63
 
 
 
-
 
 
 
63
 
 
(1)
Revisions in estimates of reserves are performed at least once a year. Revisions of oil and gas reserves are considered prospectively in the calculation of depreciation.
(2)
Natural gas liquids production for the years ended on December 31, 2022, 2021 and 2020 includes an estimated of 2, 1 and 1 mmbbl, respectively, in respect of royalty payments which are a financial obligation or are substantially equivalent to a production or similar tax.
(3)
Proved natural gas liquids reserves of consolidated entities for the years ended on December 31, 2022, 2021 and 2020 include an estimated of 11, 8 and 7 mmbbl, respectively, in respect of royalty payments which are a financial obligation or are substantially equivalent to a production or similar tax.
S - 7
 
 
   
For the year ended December 31,
   
(billions of standard cubic feet)
   
2022
 
2021
 
2020
   
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
Natural gas
                                                                       
Consolidated entities
                                                                       
As of January 1,
 
 
2,447
 
 
 
        -
 
 
 
2,447
 
 
 
2,110
 
 
 
        -
 
 
 
2,110
 
 
 
2,241
 
 
 
        -
 
 
 
2,241
 
Developed
    1,676       -       1,676       1,486       -       1,486       1,743       -       1,743  
Undeveloped
    771       -       771       624       -       624       498       -       498  
Revisions of previous estimates
(1)
    (91)       -       (91)       347       -       347       136       -       136  
Extensions and discoveries
    952       -       952       450       -       450       199       -       199  
Improved recovery
    1       -       1       *       -       *       -       -       -  
Purchase of minerals in place
    -       -       -       -       -       -       -       -       -  
Sale of minerals in place
    -       -       -       -       -       -       (6)       -       (6)  
Production for the year
(2)
    (483)       -       (483)       (460)       -       (460)       (460)       -       (460)  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
As of December 31,
(3) (4)
 
 
2,826
 
 
 
-
 
 
 
2,826
 
 
 
2,447
 
 
 
-
 
 
 
2,447
 
 
 
2,110
 
 
 
-
 
 
 
2,110
 
Developed
    1,637       -       1,637       1,676       -       1,676       1,486       -       1,486  
Undeveloped
    1,189       -       1,189       771       -       771       624       -       624  
Equity-accounted entities
                                                                       
As of January 1,
    -       -       -       -       -       -       -       -       -  
Developed
    -       -       -       -       -       -       -       -       -  
Undeveloped
    -       -       -       -       -       -       -       -       -  
Revisions of previous estimates
(1)
    -       -       -       -       -       -       -       -       -  
Extensions and discoveries
    -       -       -       -       -       -       -       -       -  
Improved recovery
    -       -       -       -       -       -       -       -       -  
Purchase of minerals in place
    -       -       -       -       -       -       -       -       -  
Sale of minerals in place
    -       -       -       -       -       -       -       -       -  
Production for the year
(2)
    -       -       -       -       -       -       -       -       -  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
As of December 31,
(3)
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
Developed
    -       -       -       -       -       -       -       -       -  
Undeveloped
    -       -       -       -       -       -       -       -       -  
 
   
For the year ended December 31,
   
(billions of standard cubic feet)
   
2022
 
2021
 
2020
   
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
Natural gas
                                                                       
Consolidated and Equity-accounted entities
                                                                       
As of January 1,
                                                                       
Developed
    1,676               -       1,676       1,486               -       1,486       1,743               -       1,743  
Undeveloped
    771       -       771       624       -       624       498       -       498  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
 
 
2,447
 
 
 
-
 
 
 
2,447
 
 
 
2,110
 
 
 
-
 
 
 
2,110
 
 
 
2,241
 
 
 
-
 
 
 
2,241
 
As of December 31,
                                                                       
Developed
    1,637       -       1,637       1,676       -       1,676       1,486       -       1,486  
Undeveloped
    1,189       -       1,189       771       -       771       624       -       624  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
 
 
2,826
 
 
 
-
 
 
 
2,826
 
 
 
2,447
 
 
 
-
 
 
 
2,447
 
 
 
2,110
 
 
 
-
 
 
 
2,110
 
 
*
Not material (less than 1).
(1)
Revisions in estimates of reserves are performed at least once a year. Revisions of oil and gas reserves are considered prospectively in the calculation of depreciation.
(2)
Natural gas production for the years ended on December 31, 2022, 2021 and 2020 includes an estimated of 57, 53 and 53 bcf, respectively, in respect of royalty payments which are a financial obligation or are substantially equivalent to a production or similar tax.
(3)
Proved natural gas reserves of consolidated entities for the years ended on December 31, 2022, 2021 and 2020 include an estimated of 335, 288 and 245 bcf, respectively, in respect of royalty payments which are a financial obligation or are substantially equivalent to a production or similar tax.
(4)
Proved natural gas reserves of consolidated entities for the years ended on December 31, 2022, 2021 and 2020 include an estimated of 299, 337 and 290 bcf, respectively, which is consumed as fuel at the field.
 
   
For the year ended December 31,
 
   
(millions of barrels of oil equivalent)
 
   
2022
   
2021
   
2020
 
   
  Argentine  
   
Other
  foreign  
   
  Worldwide  
   
  Argentine  
   
Other
  foreign  
   
  Worldwide  
   
  Argentine  
   
Other
  foreign  
   
  Worldwide  
 
Oil equivalent
(1)
                                                                       
Consolidated entities
                                                                       
As of January 1,
 
 
1,143
 
 
 
-
 
 
 
1,143
 
 
 
922
 
 
 
-
 
 
 
922
 
 
 
1,073
 
 
 
-
 
 
 
1,073
 
Developed
    655       -       655       526       -       526       650       -       650  
Undeveloped
    488       -       488       396       -       396       423       -       423  
Revisions of previous estimates
(2)
    (87)       -       (87)       216       *       216       (61)       *       (61)  
Extensions and discoveries
    322       -       322       176       -       176       92       -       92  
Improved recovery
    (7)       -       (7)       *       -       *       -       -       -  
Purchase of minerals in place
    -       -       -       *       -       *       -       -       -  
Sale of minerals in place
    -       -       -       -       -       -       (11)       -       (11)  
Production for the year
(3)
    (184)       -       (184)       (171)       *       (171)       (171)       *       (171)  
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
As of December 31,
(4)
 
 
1,187
 
 
 
-
 
 
 
1,187
 
 
 
1,143
 
 
 
-
 
 
 
1,143
 
 
 
922
 
 
 
-
 
 
 
922
 
Developed
    590       -       590       655       -       655       526       -       526  
Undeveloped
    597       -       597       488       -       488       396       -       396  
Equity-accounted entities
                                                                       
As of January 1,
    -       -       -       -       -       -       -       -       -  
Developed
    -       -       -       -       -       -       -       -       -  
Undeveloped
    -       -       -       -       -       -       -       -       -  
Revisions of previous estimates
(2)
    -       -       -       -       -       -       -       -       -  
Extensions and discoveries
    -       -       -       -       -       -       -       -       -  
Improved recovery
    -       -       -       -       -       -       -       -       -  
Purchase of minerals in place
    -       -       -       -       -       -       -       -       -  
Sale of minerals in place
    -       -       -       -       -       -       -       -       -  
Production for the year
(3)
    -       -       -       -       -       -       -       -       -  
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
As of December 31,
(4)
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
Developed
    -       -       -       -       -       -       -       -       -  
Undeveloped
    -       -       -       -       -       -       -       -       -  
 
   
For the year ended December 31,
   
(millions of barrels of oil equivalent)
   
2022
 
2021
 
2020
   
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
Oil equivalent
                                                                       
Consolidated and Equity-accounted entities
                                                                       
As of January 1,
                                                                       
Developed
    655               -       655       526               -       526       650               -       650  
Undeveloped
    488       -       488       396       -       396       423       -       423  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
 
 
1,143
 
 
 
-
 
 
 
1,143
 
 
 
922
 
 
 
-
 
 
 
922
 
 
 
1,073
 
 
 
-
 
 
 
1,073
 
As of December 31,
                                                                       
Developed
    590       -       590       655       -       655       526       -       526  
Undeveloped
    597       -       597       488       -       488       396       -       396  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
 
 
1,187
 
 
 
-
 
 
 
1,187
 
 
 
1,143
 
 
 
-
 
 
 
1,143
 
 
 
922
 
 
 
-
 
 
 
922
 
 
*
Not material (less than 1).
(1)
Volumes of natural gas have been converted to barrels of oil equivalent at 5,615 cubic feet per barrel.
(2)
Revisions in estimates of reserves are performed at least once a year. Revisions of crude oil, natural gas liquids and natural gas reserves are considered prospectively in the calculation of depreciation.
(3)
Barrel of oil equivalent production of consolidated entities for the years ended on December 31, 2022, 2021 and 2020 includes an estimated of 24, 22 and 22 mmboe, respectively, in respect of royalty payments which are a financial obligation or are substantially equivalent to a production or similar tax.
(4)
Proved oil equivalent reserves of consolidated entities for the years ended on December 31, 2022, 2021 and 2020 include an estimated of 153, 151 and 120 mmboe, respectively, in respect of royalty payments which are a financial obligation or are substantially equivalent to a production or similar tax.
 
The paragraphs below explain in further detail the most significant changes in our proved reserves during the years 2022, 2021 and 2020.
Changes in YPF’s estimated net proved reserves during 2022
Extensions and discoveries
As a result of wells drilled and put on production in areas with unproved reserves or resources, approximately 34 mmboe of proved developed reserves were added (5 mmbbl of crude oil, 3 mmbbl of NGL and 144 bcf of natural gas), and 288 mmboe of proved undeveloped reserves (808 bcf of natural and gas, 24 mmbbl of NGL and 120 mmbbl of crude oil) were added.
Both proved undeveloped reserves additions and proved developed reserves contributions are mainly related to projects of unconventional oil and gas of Vaca Muerta formation in the Neuquina basin.
Improved recovery
A downwards revision of 7 mmboe resulted as a net proved reserves change of improved recovery in secondary and tertiary recovery projects, mainly from areas located in the Golfo San Jorge basin. Net revisions are related to negative changes in secondary projects due to reserves estimates and strategy revisions, and to positive changes resulting from additions of tertiary projects implementation in the Neuquina basin.
Sales and acquisitions
As a result of sales and acquisitions, there were no volumes for changes or additions during 2022.
Revisions of previous estimates
During 2022 the Company’s proved reserves were revised downwards by 87 mmboe (a decrease of 72 mmbbl of crude oil, an increase of 1 mmbbl of NGL and a decrease of 91 bcf of natural gas). The main revisions of proved reserves have been due to the following:
 
 
 
A downwards revision of 46 mmboe resulted from drilling schedule modification and project strategy adjustments.
 
 
 
A decrease of 55 mmboe as a result of economic revisions impacted by higher operating costs and changes in oil price.
 
 
 
An upwards revision of 15 mmboe resulted from existing fields due to better liquid and gas production performance. In addition, an increase of approximately
4
mmboe resulted as a consequence of new reserves estimates, mainly in the Neuquina basin.
Changes in YPF’s estimated proved reserves during 2021
Extensions and discoveries
As a result of wells drilled and put on production in unproved reserves and resources areas, approximately 27 mmboe of proved developed reserves were added (3 mmbbl of crude oil, 3 mmbbl of NGL and 116 bcf of natural gas), and 148 mmboe of proved undeveloped reserves (334 bcf of natural and gas, 16 mmbbl of NGL and 73 mmbbl of crude oil) were added, mainly due to shale oil and gas projects in the Vaca Muerta formation.
Both proved undeveloped reserves additions and proved developed reserves contributions are related to unconventional areas in the Neuquina basin.
Improved recovery
No significant proved reserves volumes were added as a net result of secondary and tertiary recovery projects. A total of approximately 5 mmboe of proved reserves from the Golfo San Jorge basin were added, mainly due to new projects of polymer injection and positive production of tertiary recovery response.
Sales and acquisitions
As a net result of sales and acquisitions, there is a no significant proved reserves volume related to the date change of Bajo del Toro area acquisition.
Revisions of previous estimates
During 2021 the Company’s proved reserves were revised upwards by 217 mmboe (an increase of 161 mmbbl of crude oil, a decrease of 6 mmbbl of NGL and an increase of 347 bcf of natural gas). The main revisions of proved reserves have been due to the following:
 
 
 
Total liquids and gas production performance from existing wells was better than expected, resulting in an addition of approximately 44 mmboe to proved developed reserves, according to new reserves estimates, mainly in the Neuquina basin.
 
 
 
An increase of 186 mmboe of proved reserves as a result of the impact of higher average oil prices on incomes and fields economic limit, in conjunction with higher average prices due to Plan GasAr, as a secondary effect. Changes occurred mainly in mature fields with high operating costs.
 
 
 
A downwards revision of 17 mmboe resulted from existing projects in the Neuquina basin and Austral basin due to changes in the development strategy in certain areas and the production performance, respectively.
 
Changes in YPF’s estimated proved reserves during 2020
Extensions and discoveries
As a result of wells drilled and put on production in unproved reserves and resources areas, approximately 6 mmboe of proved developed reserves were added (4 mmbbl of crude oil and 9 bcf of natural gas), and 85 mmboe of proved undeveloped reserves (42 mmbbl of crude oil, 9 mmbbl of NGL and 189 bcf of natural gas) were added, mainly due to new shale oil and gas projects in the Vaca Muerta formation.
Main proved undeveloped reserves additions are related to Unconventional activities in the Neuquina basin, while proved developed reserves contributions come in most cases from the Neuquina and San Jorge basin executed projects.
Improved recovery
As a result of the execution of some secondary recovery projects, mainly in the Neuquina, basin and tertiary recovery in Manantiales Behr field, offset by delay in some projects development plan, no significant reserves volumes were added.
Sales and acquisitions
As a result of sales, 11 mmboe of proved reserves were reduced., mainly due to a change of participation in Bandurria Sur field.
Revisions of previous estimates
During 2020, the Company’s proved reserves were revised downwards by 61 mmboe (93 mmbbl of crude oil offset by an increase of 8 mmbbl of NGL and 136 bcf of natural gas).
The main revisions of proved reserves have been due to the following:
 
 
 
Total liquids and gas production performance from existing wells was better than expected, resulting in an addition of approximately 38 mmboe to proved developed reserves, according to new reserves estimates, mainly in the Neuquina and Austral basins.
 
 
 
A deduction of 61 mmboe of proved reserves as a result of lower average oil prices and its impact on incomes, and on fields economic limit, partially offset by higher average prices due to Plan Gas IV incentive. Changes occurred mainly in fields of the Golfo San Jorge and Neuquina basins.
 
 
 
A change in our development strategy in certain areas, including cancelled or deferred schedules, resulted in a downwards revision of 37 mmboe from previous projects, mainly from the Neuquina basin.
 
Capitalized costs
The following tables set forth capitalized costs, along with the related accumulated depreciation and allowances as of December 31, 2022, 2021 and 2020:
 
   
2022
       
2021
 
2020
Consolidated capitalized costs
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
       
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
   
 
 
 
 
 
 
 
         
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Proved oil and gas properties
                                                                               
Mineral property, wells and related equipment
    49,698       -       49,698      
(1)
 
      47,792       -       47,792       46,276       37       46,313  
Support equipment and facilities
    1,827       -       1,827      
(2)
 
      1,644       -       1,644       1,351       -       1,351  
Drilling and work in progress
    2,638       -       2,638               1,949       -       1,949       1,899       -       1,899  
Unproved oil and gas properties
    173       -       173               221       -       221       238       -       238  
   
 
 
 
 
 
 
 
 
 
 
 
         
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total capitalized costs
    54,336       -       54,336               51,606       -       51,606       49,764       37       49,801  
Accumulated depreciation and valuation allowances
    (43,440)       -       (43,440)      
(3)
 
      (41,679)       -       (41,679)       (39,334)       (34)       (39,368)  
   
 
 
 
 
 
 
 
 
 
 
 
         
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net capitalized costs
    10,896       -       10,896               9,927       -       9,927       10,430       3       10,433  
   
 
 
 
 
 
 
 
 
 
 
 
         
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(1)
Includes 524 corresponding to Upstream wells related equipment contracts comprised in
right-of-use
assets.
(2)
Includes 351 corresponding to Upstream support equipment and facilities contracts comprised in
righ-of-use
assest.
(3)
Includes (566) corresponding to accumulated depreciation of all Upstream contracts of
right-of-use
assets.
Costs incurred
The following tables set forth the costs incurred for oil and gas producing activities during the years ended December 31, 2022, 2021 and 2020:
 
   
2022
     
2021
 
2020
Consolidated costs incurred
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
     
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
   
 
 
 
 
 
 
 
         
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Acquisition of unproved properties
    -       -       -               -       -       -       10       -       10  
Acquisition of proved properties
    -       -       -               -       -       -       -       -       -  
Exploration costs
    80       2       82               44       2       46       32       2       34  
Development costs
    3,138       -       3,138      
(1)
 
      1,938       -       1,938       849       -       849  
   
 
 
 
 
 
 
 
 
 
 
 
         
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total costs incurred
    3,218       2       3,220               1,982       2       1,984       891       2       893  
   
 
 
 
 
 
 
 
 
 
 
 
         
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(1)
Includes 223 corresponding to development cost related to Upstream contractscomprised in
right-of-use
assets.
 
Results of operations from oil and gas producing activities
The following tables include only the revenues and expenses directly associated with oil and gas producing activities. It does not include any allocation of the interest costs or corporate overhead and, therefore, is not necessarily indicative of the contribution to net earnings of the oil and gas operations.
Differences between these tables and the amounts shown in Note 5 “Segment information”, for the exploration and production business unit, relate to additional operations that do not arise from those properties held by the Group.
 
   
2022
 
2021
 
2020
Consolidated results of operations
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
Argentine  
 
Other
  foreign  
 
  Worldwide  
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net sales to unaffiliated parties
    51       -       51       49       -       49       33       -       33  
Net intersegment sales
    7,134       -       7,134       5,820       -       5,820       4,222       -       4,222  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total net revenues
    7,185       -       7,185       5,869       -       5,869       4,255       -       4,255  
Production costs
    (3,712)       (1)       (3,713)       (2,921)       (2)       (2,923)       (2,684)       (2)       (2,686)  
Exploration expenses
    (63)       (2)       (65)       (27)       (2)       (29)       (78)       (2)       (80)  
Depreciation of property, plant and equipment; intangible and
right-of-use
assets
    (2,075)       -       (2,075)       (2,378)       -       (2,378)       (1,984)       -       (1,984)  
Impairment of Property, plant and equipment
    (123)       -       (123)       (115)       -       (115)       (45)       -       (45)  
Other
(1)
    82       1       83       (306)       9       (297)       40       3       43  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pre-tax
income (loss) from producing activities
    1,294       (2)       1,292       122       5       127       (496)       (1)       (497)  
Income tax expense / benefit
    (453)       -       (453)       (43)       -       (43)       149       -       149  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Results of oil and gas producing activities
 
 
841
 
 
 
(2)
 
 
 
839
 
 
 
79
 
 
 
5
 
 
 
84
 
 
 
(347)
 
 
 
(1)
 
 
 
(348)
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(1)
Mainly includes lawsuits, result for sale of participation in areas and financial accretion for the hydrocarbon wells abandonment obligations, among others.
Standardized measure of discounted future net cash flows
The standardized measure is calculated as the excess of future cash inflows from proved reserves less future costs of producing and developing the reserves, future income taxes and a discount factor. Future cash inflows represent the revenues that would be received from production of
year-end
proved reserve quantities assuming the future production would be sold at the prices used for reserves estimates as of
year-end
(the “average price”). Accordingly, crude oil prices used to determine reserves were calculated each month, for crude oils of different quality produced by the Group.
 
The Company considered the unweighted average realized price of crude oil for each month within the twelve-month period ended December 31, 2022, which refers to the domestic oil prices adjusted by each different quality produced by the Company.
Additionally, since there are no benchmark market natural gas prices available in Argentina, the Company considered the 12 months average of domestic market realized prices, according to the SEC rules and FASB ASC 932 rules, and it also took into account the effect of certain areas from the Neuquina basin where prices are set according to contracts awarded to YPF under the Plan GasAr 2020-2024 and the Plan GasAr 2023-2028 until their corresponding termination dates.
Future production costs include the estimated expenditures related to production of the proved reserves, plus any production taxes without consideration of future inflation. Future development costs include the estimated costs of drilling development wells and installation of production facilities, plus the net costs associated with dismantling and abandonment of wells, assuming
year-end
costs continue without consideration of future inflation. Future income taxes were determined by applying statutory rates to future cash inflows less future production costs and less tax depreciation of the properties involved. The present value was determined by applying a discount rate of 10% per year to the annual future net cash flows.
The standardized measure does not purport to be an estimate of the fair market value of the Group’s proved reserves. An estimate of fair value would also take into account, among other things, the expected recovery of reserves in excess of proved reserves, anticipated changes in future prices and costs and a discount factor representative of the time value of money and the risks inherent in producing oil and gas.
 
   
2022
 
2021
 
2020
Consolidated standardized measure of discounted future
net cash flows
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
  Argentine  
 
Other
  foreign  
 
  Worldwide  
 
Argentine  
 
Other
  foreign  
 
  Worldwide  
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Future cash inflows
    48,580       -       48,580       50,843       -       50,843       24,651       -       24,651  
Future production costs
    (22,076)       -       (22,076)       (22,509)       -       (22,509)       (13,428)       -       (13,428)  
Future development costs
    (10,936)       -       (10,936)       (8,957)       -       (8,957)       (7,671)       -       (7,671)  
Future income tax expenses
    (3,808)       -       (3,808)       (5,286)       -       (5,286)       (160)       -       (160)  
10% annual discount for estimated timing of cash flows
    (4,658)       -       (4,658)       (5,036)       -       (5,036)       (1,259)       -       (1,259)  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total standardized measure of discounted future net cash flows
    7,102       -       7,102       9,055       -       9,055       2,133       -       2,133  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Changes in the standardized measure of discounted future net cash flows
The following table reflects the changes in standardized measure of discounted future net cash flows for the years ended December 31, 2022, 2021 and 2020:
 
    
        2022        
       
        2021        
       
        2020        
Beginning of year
     9,055                        2,133                        6,371  
Sales and transfers, net of production costs
     (3,173)                 (850)                 (2,097)  
Net change in sales and transfer prices, net of future production costs
     (2,862)                 3,396                 (4,774)  
Changes in reserves and production rates (timing)
     (574)                 5,013                 (314)  
Net changes for extensions, discoveries and improved recovery
     4,722                 3,329                 1,429  
Net change due to purchases and sales of minerals in place
     -                 -                 (233)  
Changes in estimated future development and abandonment costs
     (3,481)                 (1,946)                 (1,241)  
Development costs incurred during the year that reduced future development costs
     1,439                 990                 1,124  
Accretion of discount
     806                 241                 576  
Net change in income taxes
     1,148                 (3,255)                 1,263  
Others
     22                 4                 29  
    
 
 
 
           
 
 
 
           
 
 
 
End of year
     7,102                 9,055                 2,133