< leases

SHOOK, R. B. "A"

Oil · District 8A · Lease #64501

Operator: MISSION RESOURCES CORPORATION

Fields: BRAHANEY, NORTHWEST (DEVONIAN)

Cum Oil

473k BBL

Cum Gas

70k MCF

casinghead

Wells

4

Production

1993-01 — 2010-02

Peak Month

1993-10

Production History

Cum Oil: 473,315 BBL Cum Gas: 69,861 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,696 BBL/mo

Di (annual)

19.8%

b-factor

0.0

EUR

465,416 BBL

R-squared

0.944

type

exponential

Operator History (from monthly production reports)

2024-12 — 2026-07 HILCORP ENERGY COMPANY 20 mo
2002-12 — 2024-11 APACHE CORPORATION 264 mo
2001-06 — 2002-11 MISSION RESOURCES CORPORATION 18 mo
2000-05 — 2001-05 BARGO ENERGY COMPANY 13 mo
1993-01 — 2000-04 FOUR STAR OIL AND GAS COMPANY 88 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3D42-501-32509HILCORP ENERGY COMPANY212,1002010-04-16
2D42-501-32394HILCORP ENERGY COMPANY212,1002003-11-19
5D42-501-33595HILCORP ENERGY COMPANY111,9801990-08-29
4D42-501-33559HILCORP ENERGY COMPANY111,9801990-02-21