< leases

YARNOLD -113-

Oil · District 10 · Lease #7311

Operator: PLAINS EXPLORATION & PROD. CO.

Fields: CANADIAN, SE (DOUGLAS)

Cum Oil

14k BBL

Cum Gas

165k MCF

casinghead

Wells

1

Production

1999-03 — 2007-04

Peak Month

1999-03

Production History

Cum Oil: 13,630 BBL Cum Gas: 164,966 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

223 BBL/mo

Di (annual)

58.6%

b-factor

0.1

EUR

5,045 BBL

R-squared

0.451

type

hyperbolic

Operator History (from monthly production reports)

2019-09 — 2026-07 BCE-MACH II LLC 83 mo
2015-01 — 2019-08 ENERVEST OPERATING, L.L.C. 56 mo
2012-04 — 2014-12 LINN OPERATING, INC. 33 mo
2011-09 — 2012-03 PLAINS EXPLORATION & PROD. CO. 7 mo
2009-03 — 2011-08 LATIGO PETROLEUM, INC. 30 mo
2003-12 — 2009-02 LATIGO PETROLEUM TEXAS, LP 63 mo
1999-03 — 2003-11 ALPAR RESOURCES, INC. 57 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4A42-211-32228ALPAR RESOURCES INC.28,2001997-04-10