COPELAND "81"

Oil · District 7C · Lease #11169

Operator: MINERAL TECHNOLOGIES, INC.

Cum Oil

8k BBL

Cum Gas

137k MCF

casinghead

Wells

1

Production

1993-01 — 2025-11

Peak Month

2011-01

Production History

Cum Oil: 7,514 BBL Cum Gas: 137,012 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

33 BBL/mo

Di (annual)

5.3%

b-factor

0.3

EUR

8,083 BBL

R-squared

0.649

type

hyperbolic

Operator History (from monthly production reports)

1998-03 — 2026-07 MINERAL TECHNOLOGIES, INC. 341 mo
1993-01 — 1998-02 HILLIN-SIMON OIL COMPANY 62 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MINERAL TECHNOLOGIES INC.17,5001984-09-17