MASTERSON "A"

Oil · District 7C · Lease #14309

Operator: VENCER ENERGY, LLC

Cum Oil

17k BBL

Cum Gas

127k MCF

casinghead

Wells

1

Production

1995-07 — 2013-08

Peak Month

1998-10

Production History

Cum Oil: 17,411 BBL Cum Gas: 127,435 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

243 BBL/mo

Di (annual)

18.0%

b-factor

0.0

EUR

16,082 BBL

R-squared

0.583

type

exponential

Operator History (from monthly production reports)

2024-01 — 2026-04 CIVITAS PERMIAN OPERATING, LLC 28 mo
2021-08 — 2023-12 VENCER ENERGY, LLC 29 mo
2018-08 — 2021-07 HUNT OIL COMPANY 36 mo
2000-09 — 2018-07 ENDEAVOR ENERGY RESOURCES L.P. 215 mo
1995-07 — 2000-08 STEPHENS, AUTRY C. 62 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CIVITAS PERMIAN OPERATING LLC18,4001995-06-09