STATE OF TEXAS

Oil · District 7B · Lease #19471

Operator: LOMAX OPERATING COMPANY, INC.

Cum Oil

44k BBL

Cum Gas

41 MCF

casinghead

Wells

12

Production

1993-01 — 1996-06

Peak Month

1993-03

Production History

Cum Oil: 44,344 BBL Cum Gas: 41 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,692 BBL/mo

Di (annual)

49.0%

b-factor

1.0

EUR

134,126 BBL

R-squared

0.822

type

hyperbolic

Operator History (from monthly production reports)

1995-03 — 1996-10 COALINGA CORPORATION 20 mo
1995-01 — 1995-02 LOMAX OPERATING COMPANY, INC. 2 mo
1993-01 — 1994-12 ANATHEMA, INC. 24 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13BIG AL OIL AND GAS13,1001990-12-04
12BIG AL OIL AND GAS13,0001990-08-21
11BIG AL OIL AND GAS13,0001990-02-22
10BIG AL OIL AND GAS13,0001988-04-27
7BIG AL OIL AND GAS13,0001987-05-15
9BIG AL OIL AND GAS23,0001985-07-22
8COALINGA CORPORATION23,0001985-04-09
4BIG AL OIL AND GAS23,0001985-02-15
6BIG AL OIL AND GAS13,0001983-06-07
5BIG AL OIL AND GAS13,0001983-04-06
3BIG AL OIL AND GAS13,0001983-03-21
2BIG AL OIL AND GAS13,1001982-12-31