SCHARBAUER "A"

Oil · District 08 · Lease #22708

Operator: VENCER ENERGY, LLC

Cum Oil

1.2M BBL

Cum Gas

3.2M MCF

casinghead

Wells

24

Production

1993-01 — 2026-01

Peak Month

2009-12

Production History

Cum Oil: 1,240,284 BBL Cum Gas: 3,234,316 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,807 BBL/mo

Di (annual)

12.8%

b-factor

0.0

EUR

915,910 BBL

R-squared

0.497

type

exponential

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 (24)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28RCIVITAS PERMIAN OPERATING LLC110,5002008-10-15
27PIONEER NATURAL RES. USA, INC.110,5002008-07-15
26CIVITAS PERMIAN OPERATING LLC210,5002007-10-03
23CIVITAS PERMIAN OPERATING LLC19,7001999-11-29
24CIVITAS PERMIAN OPERATING LLC19,7001999-11-29
25PIONEER NATURAL RES. USA, INC.19,7001999-11-29
21PIONEER NATURAL RES. USA, INC.19,7001999-09-15
22CIVITAS PERMIAN OPERATING LLC19,7001999-09-15
19CIVITAS PERMIAN OPERATING LLC19,7001999-06-08
20PIONEER NATURAL RES. USA, INC.19,7001999-05-05
18CIVITAS PERMIAN OPERATING LLC19,7001997-04-01
17PIONEER NATURAL RES. USA, INC.19,7001997-01-24
15CIVITAS PERMIAN OPERATING LLC19,7001990-12-12
16CIVITAS PERMIAN OPERATING LLC19,7001990-12-12
13CIVITAS PERMIAN OPERATING LLC19,7001989-10-17
14CIVITAS PERMIAN OPERATING LLC19,7001989-10-17
10CIVITAS PERMIAN OPERATING LLC19,5001980-02-27
11CIVITAS PERMIAN OPERATING LLC19,5001980-02-27
12CIVITAS PERMIAN OPERATING LLC19,5001980-02-27
9PIONEER NATURAL RES. USA, INC.19,5001980-02-22
142-317-30863CIVITAS PERMIAN OPERATING LLC------
442-317-30837CIVITAS PERMIAN OPERATING LLC------
742-317-30868CIVITAS PERMIAN OPERATING LLC------
842-317-30869CIVITAS PERMIAN OPERATING LLC------