STATE OF TEXAS TANNEHILL UNIT

Oil · District 7B · Lease #27908

Operator: WACO PETRO, LP

Cum Oil

178k BBL

Cum Gas

0 MCF

Wells

15

Production

1996-07 — 2026-04

Peak Month

1997-07

Production History

Cum Oil: 177,531 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,974 BBL/mo

Di (annual)

59.0%

b-factor

0.3

EUR

114,868 BBL

R-squared

0.869

type

hyperbolic

Operator History (from monthly production reports)

2012-12 — 2026-07 BIG AL OIL AND GAS 164 mo
2012-02 — 2012-11 WACO PETRO, LP 10 mo
2004-01 — 2012-01 ALEXANDER RESOURCES, INC. 97 mo
2000-09 — 2003-12 JOURNEY OPERATING, L.L.C. 40 mo
1998-09 — 2000-08 MERIT ENERGY COMPANY 24 mo
1996-07 — 1998-08 COALINGA CORPORATION 26 mo

Wells (15)

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
15BIG AL OIL AND GAS22,9991989-07-12
8BIG AL OIL AND GAS12,9991989-07-12
1BIG AL OIL AND GAS13,0001989-05-01
14BIG AL OIL AND GAS12,9991989-03-27
10BIG AL OIL AND GAS13,0001988-04-27
7BIG AL OIL AND GAS13,0001987-05-15
9BIG AL OIL AND GAS23,0001985-07-22
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