SOUTHWEST MCELROY UNIT

Oil · District 08 · Lease #20273

Operator: WALSH & WATTS, INC.

Fields: MCELROY

Cum Oil

703k BBL

Cum Gas

127k MCF

casinghead

Wells

54

Production

1993-01 — 2026-03

Peak Month

1994-03

Production History

Cum Oil: 702,542 BBL Cum Gas: 127,314 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,739 BBL/mo

Di (annual)

8.1%

b-factor

0.0

EUR

690,395 BBL

R-squared

0.811

type

exponential

Operator History (from monthly production reports)

2025-12 — 2026-07 UNITED OIL & SHALE LLC 8 mo
1993-01 — 2025-11 WALSH & WATTS, INC. 395 mo

Wells (54)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
38UNITED OIL & SHALE LLC13,2502011-11-17
53UNITED OIL & SHALE LLC13,3501984-07-16
54UNITED OIL & SHALE LLC13,3501984-07-16
51UNITED OIL & SHALE LLC13,3001983-11-21
52UNITED OIL & SHALE LLC13,3001983-11-09
45UNITED OIL & SHALE LLC13,3001983-02-18
46UNITED OIL & SHALE LLC13,3001983-02-18
47UNITED OIL & SHALE LLC13,3001983-02-18
48UNITED OIL & SHALE LLC13,3001983-02-18
50UNITED OIL & SHALE LLC13,3001983-02-18
49UNITED OIL & SHALE LLC13,3001983-01-18
142-461-02174UNITED OIL & SHALE LLC------
1042-461-02157UNITED OIL & SHALE LLC------
1142-461-02159UNITED OIL & SHALE LLC------
1242-461-02172UNITED OIL & SHALE LLC------
1342-461-02169UNITED OIL & SHALE LLC------
1442-461-02168UNITED OIL & SHALE LLC------
1542-461-02158UNITED OIL & SHALE LLC------
1642-461-02173UNITED OIL & SHALE LLC------
1742-461-02170UNITED OIL & SHALE LLC------
1842-461-02165UNITED OIL & SHALE LLC------
1942-461-10187UNITED OIL & SHALE LLC------
242-461-02167UNITED OIL & SHALE LLC------
2042-461-10113UNITED OIL & SHALE LLC------
2142-461-02171UNITED OIL & SHALE LLC------
2242-461-02161UNITED OIL & SHALE LLC------
2342-461-10044UNITED OIL & SHALE LLC------
2442-461-02179UNITED OIL & SHALE LLC------
2542-461-03771UNITED OIL & SHALE LLC------
2642-461-02151UNITED OIL & SHALE LLC------
2742-461-02148UNITED OIL & SHALE LLC------
2842-461-10186UNITED OIL & SHALE LLC------
2942-461-10038UNITED OIL & SHALE LLC------
342-461-02162UNITED OIL & SHALE LLC------
3042-461-02146UNITED OIL & SHALE LLC------
3142-461-10184UNITED OIL & SHALE LLC------
3242-461-02150UNITED OIL & SHALE LLC------
3342-461-10314UNITED OIL & SHALE LLC------
3442-461-10185UNITED OIL & SHALE LLC------
3542-461-02181UNITED OIL & SHALE LLC------
3642-461-02147UNITED OIL & SHALE LLC------
3742-461-10312UNITED OIL & SHALE LLC------
3942-461-10600UNITED OIL & SHALE LLC------
442-461-02160UNITED OIL & SHALE LLC------
4042-461-20081UNITED OIL & SHALE LLC------
4142-461-30037UNITED OIL & SHALE LLC------
4242-461-30555UNITED OIL & SHALE LLC------
4342-461-30557UNITED OIL & SHALE LLC------
4442-461-30556UNITED OIL & SHALE LLC------
542-461-02175UNITED OIL & SHALE LLC------
642-461-02163UNITED OIL & SHALE LLC------
742-461-02166UNITED OIL & SHALE LLC------
842-461-02176UNITED OIL & SHALE LLC------
942-461-02164UNITED OIL & SHALE LLC------