< leases

WILLIAMS, G.C.

Oil · District 7B · Lease #26281

Operator: OHLHAUSEN OIL COMPANY

Fields: OHLHAUSEN (COOK SD.)

Cum Oil

73k BBL

Cum Gas

108 MCF

casinghead

Wells

4

Production

1993-01 — 2005-06

Peak Month

1993-10

Production History

Cum Oil: 73,065 BBL Cum Gas: 108 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,396 BBL/mo

Di (annual)

96.4%

b-factor

0.6

EUR

66,872 BBL

R-squared

0.809

type

hyperbolic

Operator History (from monthly production reports)

2001-09 — 2026-07 CHAN WEST OIL CORPORATION 299 mo
2001-03 — 2001-08 CAPCO RESOURCES OF TEXAS, INC 6 mo
1996-12 — 2001-02 CHAN WEST OIL CORPORATION 51 mo
1996-05 — 1996-11 HOLCOMB ENTERPRISES 7 mo
1993-01 — 1996-04 OHLHAUSEN OIL COMPANY 40 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1A42-441-33500ABILENE OIL & GAS INC.22,7002011-04-15
4A42-441-33533CHAN WEST OIL CORPORATION12,5001991-10-22
3A42-441-33515CHAN WEST OIL CORPORATION22,7001991-07-26
2A42-441-33506CHAN WEST OIL CORPORATION12,7001991-06-13