EPLEY -31-

Oil · District 08 · Lease #25326

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

67k BBL

Cum Gas

128k MCF

casinghead

Wells

2

Production

1993-01 — 2022-07

Peak Month

2000-07

Production History

Cum Oil: 67,185 BBL Cum Gas: 127,965 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,234 BBL/mo

Di (annual)

127.5%

b-factor

1.0

EUR

48,459 BBL

R-squared

0.511

type

hyperbolic

Operator History (from monthly production reports)

2019-07 — 2026-07 PIONEER NATURAL RES. USA, INC. 85 mo
2013-12 — 2019-06 HUNT OIL COMPANY 67 mo
2002-07 — 2013-11 MERIT ENERGY COMPANY 137 mo
2001-07 — 2002-06 DEVON ENERGY PRODUCTION CO, L.P. 12 mo
1999-03 — 2001-06 CONCHO RESOURCES INC. 28 mo
1996-07 — 1999-02 HANLEY PETROLEUM INC. 32 mo
1993-07 — 1996-06 KAISER-FRANCIS OIL COMPANY 36 mo
1993-01 — 1993-06 MGF OIL CORPORATION 6 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA INC.19,2501999-12-09
1PIONEER NATURAL RES. USA INC.19,2001978-11-17