RITCHEY

Oil · District 08 · Lease #36136

Operator: PERMIAN RESOURCES, INC.

Cum Oil

13k BBL

Cum Gas

0 MCF

Wells

1

Production

1999-09 — 2007-06

Peak Month

1999-11

Production History

Cum Oil: 13,465 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

746 BBL/mo

Di (annual)

277.9%

b-factor

0.9

EUR

13,409 BBL

R-squared

0.541

type

hyperbolic

Operator History (from monthly production reports)

2004-05 — 2009-04 CHESAPEAKE OPERATING, INC. 60 mo
2002-10 — 2004-04 PERMIAN RESOURCES, INC. 19 mo
1999-09 — 2002-09 LAGUNA PETROLEUM CORPORATION 37 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SHELL WESTERN E&P37,0001999-07-12