INVESTORS ROYALTY CO. "A"

Oil // district 11 // lease#61721

op: SABINAL ENERGY OPERATING, LLC

cum_oil

6.4M BBL

cum_gas

0 MCF

wells

72

production

1993-01 — 2026-03

peak_month

1994-07

-- production_history

cum_oil: 6,412,428 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

39,615 BBL/mo

Di (annual)

7.5%

b-factor

0.0

EUR

6,164,761 BBL

R-squared

0.898

type

exponential

-- wells (72)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
36SABINAL ENERGY OPERATING, LLC211,0002021-10-06
36HSABINAL ENERGY OPERATING, LLC211,0002021-10-06
45CHEVRON U. S. A. INC.28,5002007-09-07
45HCHEVRON U. S. A. INC.28,5002007-09-07
52CHEVRON U. S. A. INC.28,2002007-09-06
52HCHEVRON U. S. A. INC.28,2002007-09-06
34CHEVRON U. S. A. INC.310,1002006-07-14
34HCHEVRON U. S. A. INC.310,1002006-07-14
40CHEVRON U. S. A. INC.311,0002006-07-14
40HCHEVRON U. S. A. INC.311,0002006-07-14
43CHEVRON U. S. A. INC.211,0002006-07-14
43HCHEVRON U. S. A. INC.211,0002006-07-14
49CHEVRON U. S. A. INC.311,0002006-07-14
49HCHEVRON U. S. A. INC.311,0002006-07-14
44CHEVRON U. S. A. INC.39,0002003-11-18
44HCHEVRON U. S. A. INC.39,0002003-11-18
38CHEVRON U. S. A. INC.29,0002003-09-16
8CHEVRON U. S. A. INC.19,0002003-09-16
8WHCHEVRON U. S. A. INC.19,0002003-09-16
51CHEVRON U. S. A. INC.18,2002001-02-21
50CHEVRON U. S. A. INC.18,2002001-01-26
48CHEVRON U. S. A. INC.18,2002001-01-11
46CHEVRON U. S. A. INC.18,2002000-12-14
47CHEVRON U. S. A. INC.38,2002000-12-14
42CHEVRON U. S. A. INC.18,2001999-12-01
41CHEVRON U. S. A. INC.18,2001999-10-11
39CHEVRON U. S. A. INC.18,9001998-01-27
35CHEVRON U. S. A. INC.18,9001995-09-18
37CHEVRON U. S. A. INC.212,0001995-02-22
33CHEVRON U. S. A. INC.18,5001994-02-01
32CHEVRON U. S. A. INC.18,5001993-10-19
31CHEVRON U. S. A. INC.18,5001992-11-20
30WGULF OIL CORP.18,1751985-06-25
1WSGULF OIL CORP.15,9001980-02-06
29WGULF OIL CORP.18,2001979-03-09
23WGULF OIL CORP.18,2001978-09-20
24WGULF OIL CORP.18,2001978-09-20
25WGULF OIL CORP.18,2001978-09-20
26WGULF OIL CORP.18,2001978-09-20
28WGULF OIL CORP.18,2001978-09-20
27WGULF OIL CORP.18,2001978-09-07
22WGULF OIL CORP.18,2001978-08-21
20WGULF OIL CORP.18,2001978-06-13
19WGULF OIL CORP.18,2001978-05-16
21WGULF OIL CORP.18,2001978-05-16
17WGULF OIL CORP.18,2001977-12-30
18WGULF OIL CORP.18,2001977-12-30
142-445-30184--------
1042-445-30224--------
10W42-445-30224--------
1142-445-30226--------
11W42-445-30226--------
1242-445-30227--------
1342-445-30228--------
1442-445-30266--------
14W42-445-30266--------
1542-445-30268--------
15W42-445-30268--------
1642-445-30277--------
1W42-445-30184--------
242-445-30189--------
2W42-445-30189--------
342-445-30190--------
442-445-30192--------
4W42-445-30192--------
542-445-30197--------
5W42-445-30197--------
642-445-30198--------
6W42-445-30198--------
742-445-30219--------
942-445-30212--------
9W42-445-30212--------
EOF // multi-state drilling data platform // 2026