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PROPERTY AND EQUIPMENT AND ASSET RETIREMENT OBLIGATION | 12 Months Ended
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Sep. 30, 2022
PROPERTY AND EQUIPMENT AND ASSET RETIREMENT OBLIGATION |
PROPERTY AND EQUIPMENT AND ASSET RETIREMENT OBLIGATION | PROPERTY AND EQUIPMENT AND ASSET RETIREMENT OBLIGATION Barnwell’s property and equipment is detailed as follows:
| Estimated Useful Lives |  | Gross Property and Equipment |  | Accumulated Depletion, Depreciation, Amortization, and Impairment |  | Net Property and Equipment
At September 30, 2022: |  |  |  |  |  |  |
Oil and natural gas properties: (full cost accounting) |  |  |  |  |  |  |
Proved properties |  |  | $ | 67,883,000 |  |  | $ | (54,651,000) |  |  | $ | 13,232,000 |
Unproved properties |  |  | — |  |  | — |  |  | — |
Total oil and natural gas properties |  |  | 67,883,000 |  |  | (54,651,000) |  |  | 13,232,000 |
Drilling rigs and equipment | 3 – 10 years |  | 6,304,000 |  |  | (5,943,000) |  |  | 361,000 |
Other property and equipment | 3 – 10 years |  | 619,000 |  |  | (611,000) |  |  | 8,000 |
Total |  |  | $ | 74,806,000 |  |  | $ | (61,205,000) |  |  | $ | 13,601,000 |
| Estimated Useful Lives |  | Gross Property and Equipment |  | Accumulated Depletion, Depreciation, Amortization, and Impairment |  | Net Property and Equipment
At September 30, 2021: |  |  |  |  |  |  |
Oil and natural gas properties: (full cost accounting) |  |  |  |  |  |  |
Proved properties |  |  | $ | 58,490,000 |  |  | $ | (56,067,000) |  |  | $ | 2,423,000 |
Unproved properties |  |  | 962,000 |  |  | — |  |  | 962,000 |
Total oil and natural gas properties |  |  | 59,452,000 |  |  | (56,067,000) |  |  | 3,385,000 |
Drilling rigs and equipment | 3 – 10 years |  | 7,273,000 |  |  | (6,789,000) |  |  | 484,000 |
Other property and equipment | 3 – 10 years |  | 687,000 |  |  | (681,000) |  |  | 6,000 |
Total |  |  | $ | 67,412,000 |  |  | $ | (63,537,000) |  |  | $ | 3,875,000 |
See Note 6 for discussion of acquisitions and divestitures of oil and natural gas properties in fiscal 2022 and 2021. In September 2021, the Company’s Honolulu corporate office was sold for approximately $1,864,000, net of related costs, resulting in a gain of $1,164,000, which was recognized in the year ended September 30, 2021. Asset Retirement Obligation Barnwell recognizes the fair value of a liability for an asset retirement obligation in the period in which it is incurred if a reasonable estimate of fair value can be made. The following is a reconciliation of the asset retirement obligation:
| Year ended September 30,
| 2022 |  | 2021
Asset retirement obligation as of beginning of year | $ | 7,053,000 |  |  | $ | 6,194,000 |
Obligations incurred on new wells drilled or acquired | 1,682,000 |  |  | 532,000 |
Liabilities associated with properties sold | (483,000) |  |  | (375,000) |
Revision of estimated obligation | 1,021,000 |  |  | 279,000 |
Accretion expense | 767,000 |  |  | 580,000 |
Payments | (942,000) |  |  | (421,000) |
Foreign currency translation adjustment | (642,000) |  |  | 264,000 |
Asset retirement obligation as of end of year | 8,456,000 |  |  | 7,053,000 |
Less current portion | (1,327,000) |  |  | (713,000) |
Asset retirement obligation, long-term | $ | 7,129,000 |  |  | $ | 6,340,000 |
Asset retirement obligations were reduced by $483,000 and $375,000, in fiscal 2022 and 2021, respectively, for those obligations that were assumed by purchasers of Barnwell's oil and natural gas properties. Asset retirement obligations increased by $1,021,000 and $279,000 in fiscal 2022 and 2021, respectively, primarily due to upward revisions from acceleration in the estimated timing of future abandonments as a result of changes in the estimated economic life of certain wells and changes in management's discretionary timing of abandonment projects due to an increase in estimated funds available as well as changes to the estimated cost of abandonments at the Manyberries area, as further discussed below. Asset retirement obligations also increased by $1,682,000 and $532,000 in fiscal 2022 and 2021, respectively, due primarily to our acquisitions (see Note 6 for additional details). The asset retirement obligation reflects the estimated present value of the amount of dismantlement, removal, site reclamation, and similar activities associated with Barnwell's oil and natural gas properties. Barnwell estimates the ultimate productive life of the properties, a credit-adjusted risk-free rate, and an inflation factor in order to determine the current present value of this obligation. The credit-adjusted risk-free rate for the entire asset retirement obligation is a blended rate which ranges from 6% to 13.5%. In September 2019, the AER issued an abandonment/closure order for all wells and facilities in the Manyberries area which had been largely operated by LGX, an operating company that went into receivership in 2016. The estimated asset retirement obligation for the Company's interest in the wells and facilities in the Manyberries area is included in “Asset retirement obligation” in the Consolidated Balance Sheets. Recently, the OWA created a WIP program for specific areas where there are a significant number of orphaned wells to abandon. The OWA has the ability and expertise to abandon wells using its internal resources and network of service providers resulting in efficiencies that companies such as Barnwell, would not be able to obtain on its own. Under the WIP program, the Company would be required to provide payment for only Barnwell’s working interest share, however, all WIP’s would have to participate in the program for the OWA to begin its work. In March 2021, the Company was notified by the OWA that Barnwell’s Manyberries wells were confirmed to be in the WIP program. Under the new agreement with the OWA, the Company is required to pay the abandonment and reclamation costs in advance through a cash deposit. The total cash deposit amount was calculated to be approximately $1,525,000 and the Company paid $888,000 of the total deposit in July and August 2021 and will need to pay the remaining balance of $637,000 by August 2023. The Company revised its Manyberries ARO liability based on the OWA’s revised abandonment and reclamation estimates, which resulted in an increase of approximately $213,000 in the year ended September 30, 2021. The increase in the ARO liability was a result of higher reclamation and remediation costs than anticipated, partially offset by lower abandonment estimates. Based on a review of the details of the cash deposit calculation provided by the OWA, which includes amounts added for possible contingencies, the Company believes the required cash deposit amount by the OWA is higher than the actual costs of the asset retirement obligation for the Manyberries wells and that any excess of the deposit over actual asset retirement costs for the first phase of the work would be credited toward the second phase of the work. A remaining excess deposit, if any, would ultimately be refunded to the Company upon completion of all of the work. As of September 30, 2022, the Company recognized a cumulative reduction in the deposit balance of $113,000 for work performed under this program.

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- Definition Represents the entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale and includes the disclosure for an asset retirement obligation. + References No definition available. + Details
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