COOPER -P-

Oil · District 01 · Lease #10987

Operator: LANGLAND OIL, INC.

Fields: SOMERSET

Cum Oil

959 BBL

Cum Gas

26 MCF

casinghead

Wells

11

Production

1993-01 — 1998-05

Peak Month

1993-03

Production History

Cum Oil: 959 BBL Cum Gas: 26 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

38 BBL/mo

Di (annual)

46.6%

b-factor

0.0

EUR

957 BBL

R-squared

0.547

type

exponential

Operator History (from monthly production reports)

1996-06 — 2026-07 GREAT PLAINS RESOURCES, INC. 362 mo
1995-03 — 1996-05 GINCO OPERATING CO. 15 mo
1993-01 — 1995-02 LANGLAND OIL, INC. 26 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MID-TEXAS RESOURCES INC.12,0001985-10-02
2MID-TEXAS RESOURCES INC.12,0001985-08-06
3MID-TEXAS RESOURCES INC.12,0001985-08-06
4MID-TEXAS RESOURCES INC.12,0001985-08-06
5MID-TEXAS RESOURCES INC.12,0001985-08-06
10PREMIER TECHNOLOGY INC.12,0001985-05-15
11PREMIER TECHNOLOGY INC.12,0001985-05-15
6PREMIER TECHNOLOGY INC.12,0001985-05-15
7PREMIER TECHNOLOGY INC.12,0001985-05-13
8PREMIER TECHNOLOGY INC.12,0001985-05-13
9PREMIER TECHNOLOGY INC.12,0001985-05-13