TXL -D-

Oil · District 7C · Lease #13961

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

6k BBL

Cum Gas

63k MCF

casinghead

Wells

2

Production

1995-11 — 2004-02

Peak Month

1996-05

Production History

Cum Oil: 6,449 BBL Cum Gas: 63,171 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

120 BBL/mo

Di (annual)

19.9%

b-factor

0.0

EUR

7,194 BBL

R-squared

0.507

type

exponential

Operator History (from monthly production reports)

2006-01 — 2020-10 ENDEAVOR ENERGY RESOURCES L.P. 178 mo
1995-11 — 2005-12 CITATION OIL & GAS CORP. 122 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENDEAVOR ENERGY RESOURCES L.P.18,3751979-08-21
442-173-00600ENDEAVOR ENERGY RESOURCES L.P.------