Annual report [Section 13 and 15(d), not S-K Item 405]

SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED) (Tables)

v3.26.1
SUPPLEMENTAL OIL AND GAS DISCLOSURES (UNAUDITED) (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure

Net capitalized costs related to oil, NGLs and natural gas producing activities are as follows (in thousands):

Year Ended December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Proved oil and natural gas properties and equipment

$

9,091,553

$

9,090,928

$

8,919,403

Accumulated depreciation, depletion and amortization

 

(8,444,343)

 

(8,331,141)

 

(8,200,968)

Net capitalized costs related to producing activities

$

647,210

$

759,787

$

718,435

Schedule of Cost Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities Disclosure

The following costs were incurred in oil, NGLs and natural gas property acquisition, exploration and development activities (in thousands):

Year Ended December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Acquisition of proved oil and natural gas properties (1)

$

711

$

98,282

$

43,736

Exploration costs (2)

 

4,788

 

6,758

 

12,250

Development costs (3)

 

70,338

 

71,875

 

54,022

Total

$

75,837

$

176,915

$

110,008

(1) Includes capitalized ARO of $17.6 million and $16.4 million during 2024 and 2023, respectively.
(2) Includes seismic costs of $1.3 million, and $2.8 million incurred during 2024 and 2023, respectively. Includes geological and geophysical costs charged to expense of $4.0 million, $5.4 million, and $4.8 million during 2025, 2024 and 2023, respectively.
(3) Includes capitalized ARO of $16.4 million, $39.6 million and $21.0 million during 2025, 2024 and 2023, respectively.
Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities

  ​ ​ ​

Oil

NGLs

Natural Gas

(MMBbls)

(MMBbls)

(Bcf)

MMBoe

Proved reserves as of December 31, 2022

 

40.6

 

18.9

 

634.6

 

165.3

Revisions of previous estimates

 

 

(4.0)

 

(168.8)

 

(32.2)

Purchase of minerals in place

 

1.4

 

0.2

 

5.8

 

2.6

Production

 

(5.0)

 

(1.4)

 

(37.6)

 

(12.7)

Proved reserves as of December 31, 2023

 

37.0

 

13.7

 

434.0

 

123.0

Revisions of previous estimates

 

7.0

0.2

(77.1)

(5.5)

Purchase of minerals in place

 

12.9

0.3

51.8

21.7

Production

 

(5.3)

(1.2)

(34.3)

(12.2)

Proved reserves as of December 31, 2024

 

51.6

 

13.0

 

374.4

 

127.0

Revisions of previous estimates

 

(7.7)

(0.2)

85.8

6.5

Sale of minerals in place

(0.1)

(0.1)

Production

 

(5.1)

(1.1)

(36.9)

(12.4)

Proved reserves as of December 31, 2025

 

38.7

 

11.7

 

423.3

 

121.0

Year-end proved developed reserves:

 

  ​

 

  ​

 

  ​

 

  ​

2025

 

32.9

11.6

418.9

114.3

2024

 

37.0

12.2

336.0

105.3

2023

 

27.4

12.7

379.4

103.3

Year-end proved undeveloped reserves:

 

  ​

 

  ​

 

  ​

 

  ​

2025

 

5.8

0.1

4.4

6.7

2024

 

14.6

0.8

38.4

21.7

2023

 

9.6

1.0

54.6

19.7

Schedule of Standardized Measure of Discounted Future Cash Flows Relating to Proved Reserves Disclosure

The following presents the standardized measure of discounted future net cash flows related to the Company’s proved oil, NGLs and natural gas reserves together with changes therein (in millions):

Year Ended December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Future cash inflows

$

4,388.4

$

5,123.1

$

4,282.3

Future costs:

 

 

 

Production

 

(2,369.8)

 

(2,361.9)

 

(2,007.6)

Development and abandonment

 

(1,165.8)

 

(1,645.0)

 

(1,052.3)

Income taxes

 

(175.1)

 

(215.9)

 

(210.3)

Future net cash inflows

 

677.7

 

900.3

 

1,012.1

10% annual discount factor

 

(26.4)

 

(160.2)

 

(328.9)

Standardized measure of discounted future net cash flows

$

651.3

$

740.1

$

683.2

Schedule Of Average Realized Commodity Prices Used to Determine the Standardized Measure of Discounted Future Net Cash Flows

December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Oil ($/Bbl)

$

64.97

$

74.69

$

74.79

NGLs ($/Bbl)

 

19.67

 

22.98

 

24.08

Natural gas ($/Mcf)

 

3.88

 

2.58

 

2.74

Schedule of Changes in Standardized Measure of Discounted Future Net Cash Flows

The change in the standardized measure of discounted future net cash flows relating to the Company’s proved oil, NGLs and natural gas reserves is as follows (in millions):

Year Ended December 31,

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

Standardized measure of discounted future net cash flows, beginning of year

$

740.1

$

683.2

$

2,263.0

Sales and transfers of oil, NGL and natural gas produced, net of production costs

 

(167.6)

 

(205.1)

 

(240.1)

Net changes in prices and production costs

 

(208.6)

 

38.6

 

(1,241.4)

Net change in future development costs

 

(1.8)

 

(102.1)

 

(22.0)

Revisions of quantity estimates

 

193.1

 

(16.7)

 

(828.8)

Acquisition of reserves in place

 

 

245.9

 

72.0

Sale of minerals in place

(6.1)

Accretion of discount

 

89.5

 

79.2

 

285.7

Net change in income taxes

 

24.0

 

(45.6)

 

443.1

Changes in timing and other

 

(11.3)

 

62.7

 

(48.3)

Standardized measure of discounted future net cash flows, end of year

$

651.3

$

740.1

$

683.2