< leases

COPELAND, JOHN JR., "E"

Oil · District 7C · Lease #11863

Operator: STERLING GENERAL P/SHIP #7

Fields: JAMESON (STRAWN)

Cum Oil

1k BBL

Cum Gas

32k MCF

casinghead

Wells

1

Production

1993-01 — 2023-06

Peak Month

1993-03

Production History

Cum Oil: 1,257 BBL Cum Gas: 31,660 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27 BBL/mo

Di (annual)

351.6%

b-factor

1.1

EUR

361 BBL

R-squared

0.392

type

hyperbolic

Operator History (from monthly production reports)

2024-09 — 2026-07 QUAIL RIDGE PETROLEUM LLC 23 mo
2022-04 — 2024-08 ENERGY ONRAMP LLC 29 mo
2022-01 — 2022-03 GRACE PETROLEUM OPERATING, LLC 3 mo
2017-06 — 2021-12 BUSTAMANTE OIL COMPANY 55 mo
2003-12 — 2017-05 O.G.P. OPERATING, INC. 162 mo
1998-09 — 2003-11 JIM-BOB OIL COMPANY 63 mo
1998-05 — 1998-08 KATSCO ENERGY, INC. 4 mo
1993-01 — 1998-04 STERLING GENERAL P/SHIP #7 64 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-431-31755QUAIL RIDGE PETROLEUM LLC17,4001985-11-12