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v3.20.4

Property, Plant and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2020
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | Depreciation of plant and equipment is calculated on the straight-line method over their estimated useful lives or lease terms, generally as follows:
|  | Years
Buildings and Improvements |  | 10 to 45
Machinery and Equipment |  | 3 to 25
Gathering and Transmission |  | 30 to 40
Leasehold Improvements |  | Life of Lease
| December 31,
Property, Plant and Equipment | 2020 |  | 2019
Intangible Drilling Cost | $ | 4,965,252 |  |  | $ | 4,688,497 |
Gas Gathering Equipment | 2,510,917 |  |  | 2,463,866 |
Proved Gas Properties | 1,253,094 |  |  | 1,208,046 |
Gas Wells and Related Equipment | 1,120,061 |  |  | 1,042,000 |
Unproved Gas Properties | 725,705 |  |  | 755,590 |
Surface Land and Other Equipment | 199,322 |  |  | 226,285 |
Other | 189,645 |  |  | 187,722 |
Total Property, Plant and Equipment | 10,963,996 |  |  | 10,572,006 |
Less: Accumulated Depreciation, Depletion and Amortization | 3,938,451 |  |  | 3,435,431 |
Total Property, Plant and Equipment - Net | $ | 7,025,545 |  |  | $ | 7,136,575 |
Schedule of Amortization Expense Per Unit of Production |
| December 31,
| 2020 |  | 2019
Unproved Gas Properties | $ | 725,705 |  |  | $ | 755,590 |
Advance Royalties | 9,676 |  |  | 12,770 |
Total | $ | 735,381 |  |  | $ | 768,360 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Tabular disclosure of amortization expense per unit of production for oil and gas enterprises that follow the full cost method of accounting for investments in oil and gas properties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(c)(7)(i)) -URI http://asc.fasb.org/extlink&oid=120398226&loc=d3e511914-122862 + Details
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