COOKE

Oil · District 7C · Lease #11894

Operator: SOJOURNER DRILLING CORPORATION

Cum Oil

15k BBL

Cum Gas

48k MCF

casinghead

Wells

2

Production

1993-01 — 2010-10

Peak Month

1993-01

Production History

Cum Oil: 15,248 BBL Cum Gas: 48,044 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

390 BBL/mo

Di (annual)

44.2%

b-factor

0.1

EUR

11,726 BBL

R-squared

0.913

type

hyperbolic

Operator History (from monthly production reports)

2002-07 — 2014-01 SOJOURNER DRILLING CORPORATION 139 mo
2000-04 — 2002-06 QUICKSILVER RESOURCES INC. 27 mo
1993-01 — 2000-03 MSR EXPLORATION, INC. 87 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SOJOURNER DRILLING CORPORATION14,4001986-10-24
1SOJOURNER DRILLING CORPORATION13,9501985-12-27