WINDHAM -C-

Oil · District 7C · Lease #5003

Operator: VENCER ENERGY, LLC

Cum Oil

453k BBL

Cum Gas

1.3M MCF

casinghead

Wells

12

Production

1993-01 — 2026-03

Peak Month

2011-01

Production History

Cum Oil: 453,193 BBL Cum Gas: 1,320,055 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,819 BBL/mo

Di (annual)

46.4%

b-factor

0.1

EUR

195,913 BBL

R-squared

0.938

type

hyperbolic

Operator History (from monthly production reports)

2024-01 — 2026-07 CIVITAS PERMIAN OPERATING, LLC 31 mo
2021-08 — 2023-12 VENCER ENERGY, LLC 29 mo
2013-12 — 2021-07 HUNT OIL COMPANY 92 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
1993-01 — 1999-02 HANLEY PETROLEUM INC. 74 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10CIVITAS PERMIAN OPERATING, LLC110,5002010-07-28
11CIVITAS PERMIAN OPERATING, LLC110,5002010-07-27
12CIVITAS PERMIAN OPERATING, LLC110,5002010-07-27
8CIVITAS PERMIAN OPERATING, LLC110,5002008-12-01
9CIVITAS PERMIAN OPERATING, LLC110,5002008-12-01
7CIVITAS PERMIAN OPERATING, LLC210,5002008-05-01
6CIVITAS PERMIAN OPERATING, LLC19,3002000-09-14
5CIVITAS PERMIAN OPERATING, LLC19,3001999-09-08
4CIVITAS PERMIAN OPERATING, LLC19,1001993-09-16
3CIVITAS PERMIAN OPERATING, LLC19,2001983-10-19
142-461-01860CIVITAS PERMIAN OPERATING, LLC------
242-461-01861CIVITAS PERMIAN OPERATING, LLC------