COOPERSMITH 34-139

Oil · District 08 · Lease #41817

Operator: ANADARKO PETROLEUM CORPORATION

Cum Oil

462k BBL

Cum Gas

544k MCF

casinghead

Wells

2

Production

2011-09 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 461,816 BBL Cum Gas: 543,629 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,760 BBL/mo

Di (annual)

95.3%

b-factor

0.5

EUR

405,215 BBL

R-squared

0.865

type

hyperbolic

Operator History (from monthly production reports)

2013-04 — 2026-07 ANADARKO E&P ONSHORE LLC 160 mo
2011-09 — 2013-03 ANADARKO PETROLEUM CORPORATION 19 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HANADARKO E&P ONSHORE LLC216,0002017-02-17
2HRANADARKO E&P ONSHORE LLC114,0002014-03-08