< leases

MCROREY HEIRS

Oil · District 7B · Lease #22368

Operator: SOJOURNER DRILLING CORPORATION

Fields: SUGGS (ELLENBURGER)

Cum Oil

57k BBL

Cum Gas

74k MCF

casinghead

Wells

2

Production

1993-01 — 1997-06

Peak Month

1993-02

Production History

Cum Oil: 56,729 BBL Cum Gas: 74,044 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,886 BBL/mo

Di (annual)

81.4%

b-factor

0.0

EUR

57,330 BBL

R-squared

0.457

type

exponential

Operator History (from monthly production reports)

2005-11 — 2011-11 ROBERTSON RESOURCES, INC. 73 mo
2003-05 — 2005-10 SOJOURNER DRILLING CORPORATION 30 mo
1999-12 — 2003-04 PERMIAN RESOURCES, INC. 41 mo
1996-08 — 1999-11 SAMSON LONE STAR LP 40 mo
1995-04 — 1996-07 SAMSON HYDROCARBONS COMPANY 16 mo
1994-11 — 1995-03 SAMSON RESOURCES COMPANY 5 mo
1993-01 — 1994-10 ORYX ENERGY COMPANY 22 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-353-31762ROBERTSON RESOURCES INC.26,7501997-09-25
242-353-31769ROBERTSON RESOURCES INC.16,7501985-02-18