CHAPMAN STATE

Oil · District 08 · Lease #40363

Operator: THOMPSON, J. CLEO

Cum Oil

661k BBL

Cum Gas

1.2M MCF

casinghead

Wells

5

Production

2010-12 — 2026-04

Peak Month

2014-06

Production History

Cum Oil: 661,491 BBL Cum Gas: 1,235,637 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,744 BBL/mo

Di (annual)

49.1%

b-factor

0.2

EUR

480,405 BBL

R-squared

0.790

type

hyperbolic

Operator History (from monthly production reports)

2024-11 — 2026-07 PERMIAN RESOURCES OPERATING, LLC 21 mo
2013-04 — 2024-10 OXY USA WTP LP 139 mo
2010-12 — 2013-03 THOMPSON, J. CLEO 28 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HPERMIAN RESOURCES OPERATING, LLC113,5002013-11-18
3PERMIAN RESOURCES OPERATING, LLC113,5002011-06-16
4PERMIAN RESOURCES OPERATING, LLC113,5002011-06-16
1PERMIAN RESOURCES OPERATING, LLC312,5002010-07-30
2PERMIAN RESOURCES OPERATING, LLC113,0002010-03-25