< leases

MASTERSON, T. R. B.

Oil · District 7C · Lease #2369

Operator: VENCER ENERGY, LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

34k BBL

Cum Gas

683k MCF

casinghead

Wells

5

Production

1993-01 — 2025-12

Peak Month

1994-01

Production History

Cum Oil: 34,342 BBL Cum Gas: 682,544 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

200 BBL/mo

Di (annual)

11.9%

b-factor

0.0

EUR

20,147 BBL

R-squared

0.592

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 (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-383-31864CIVITAS PERMIAN OPERATING LLC17,8501981-01-22
342-383-31862CIVITAS PERMIAN OPERATING LLC17,8501981-01-16
142-383-00776CIVITAS PERMIAN OPERATING LLC------
1D42-383-11081CIVITAS PERMIAN OPERATING LLC------
242-383-00777CIVITAS PERMIAN OPERATING LLC------