GEYER

Oil · District 01 · Lease #10769

Operator: LANGLAND OIL, INC.

Fields: SOMERSET

Cum Oil

2k BBL

Cum Gas

26 MCF

casinghead

Wells

15

Production

1993-01 — 1998-04

Peak Month

1995-11

Production History

Cum Oil: 1,745 BBL Cum Gas: 26 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

97 BBL/mo

Di (annual)

235.2%

b-factor

0.5

EUR

893 BBL

R-squared

0.663

type

hyperbolic

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 (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12GREAT PLAINS RESOURCES INC.11,5001984-11-02
13GREAT PLAINS RESOURCES INC.11,5001984-11-02
14GREAT PLAINS RESOURCES INC.11,5001984-11-02
15GREAT PLAINS RESOURCES INC.11,5001984-11-02
8GREAT PLAINS RESOURCES INC.11,5001984-11-02
1GREAT PLAINS RESOURCES INC.11,5001984-10-04
10GREAT PLAINS RESOURCES INC.11,5001984-10-04
11GREAT PLAINS RESOURCES INC.11,5001984-10-04
2GREAT PLAINS RESOURCES INC.11,5001984-10-04
3GREAT PLAINS RESOURCES INC.11,5001984-10-04
4GREAT PLAINS RESOURCES INC.11,5001984-10-04
5GREAT PLAINS RESOURCES INC.11,5001984-10-04
6GREAT PLAINS RESOURCES INC.11,5001984-10-04
7GREAT PLAINS RESOURCES INC.11,5001984-10-04
9GREAT PLAINS RESOURCES INC.11,5001984-10-04