LEE RANCH

Oil · District 7B · Lease #26185

Operator: THROCKMORTON OIL, INC.

Fields: Y-L (CADDO)

Cum Oil

26k BBL

Cum Gas

54k MCF

casinghead

Wells

1

Production

1993-01 — 2003-06

Peak Month

1993-01

Production History

Cum Oil: 26,410 BBL Cum Gas: 54,217 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

708 BBL/mo

Di (annual)

43.0%

b-factor

0.2

EUR

24,605 BBL

R-squared

0.780

type

hyperbolic

Operator History (from monthly production reports)

2010-06 — 2013-03 COOPER OIL & GAS, LLC 34 mo
1999-04 — 2010-05 COOPER OIL & GAS, INC. 134 mo
1993-01 — 1999-03 THROCKMORTON OIL, INC. 75 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1COOPER OIL & GAS LLC35,2001988-06-28