CLARK

Oil · District 7B · Lease #28010

Operator: ROBERTSON RESOURCES, INC.

Cum Oil

14k BBL

Cum Gas

17k MCF

casinghead

Wells

2

Production

1996-09 — 2000-09

Peak Month

1997-12

Production History

Cum Oil: 14,264 BBL Cum Gas: 17,361 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

546 BBL/mo

Di (annual)

50.7%

b-factor

0.0

EUR

12,905 BBL

R-squared

0.589

type

exponential

Operator History (from monthly production reports)

1999-05 — 2001-01 ROBERTSON RESOURCES, INC. 21 mo
1996-12 — 1999-04 DESANA DEVELOPMENT CORPORATION 29 mo
1996-09 — 1996-11 HARDING COMPANY 3 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4L.C.S. PRODUCTION COMPANY15,2501997-07-18
3L.C.S. PRODUCTION COMPANY15,1501996-08-30