< leases

JOHN LEE MCMASTER

Oil · District 7C · Lease #17208

Operator: VITAL ENERGY, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

31k BBL

Cum Gas

212k MCF

casinghead

Wells

4

Production

2010-06 — 2016-11

Peak Month

2010-11

Production History

Cum Oil: 31,098 BBL Cum Gas: 212,036 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,034 BBL/mo

Di (annual)

95.2%

b-factor

0.8

EUR

39,100 BBL

R-squared

0.385

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 CRESCENT ENERGY OPERATING, LLC 7 mo
2023-02 — 2025-12 VITAL ENERGY, INC. 35 mo
2014-01 — 2023-01 LAREDO PETROLEUM, INC. 109 mo
2011-08 — 2013-12 LAREDO PETROLEUM - DALLAS, INC. 29 mo
2010-06 — 2011-07 BROAD OAK ENERGY, INC. 14 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
155N42-383-36890CRESCENT ENERGY OPERATING LLC19,0002010-07-20
155G42-383-36891CRESCENT ENERGY OPERATING LLC19,0002010-07-19
155F42-383-36740CRESCENT ENERGY OPERATING LLC19,0002010-03-19
155O42-383-36686CRESCENT ENERGY OPERATING LLC19,0002010-02-18