DEBBIE LEE MCMASTER-A-

Oil · District 7C · Lease #17193

Operator: VITAL ENERGY, INC.

Cum Oil

166k BBL

Cum Gas

612k MCF

casinghead

Wells

5

Production

2010-06 — 2026-04

Peak Month

2011-12

Production History

Cum Oil: 165,501 BBL Cum Gas: 611,553 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,133 BBL/mo

Di (annual)

85.4%

b-factor

0.6

EUR

128,851 BBL

R-squared

0.867

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 (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
156FCRESCENT ENERGY OPERATING, LLC110,5002011-02-23
156GCRESCENT ENERGY OPERATING, LLC110,5002011-02-23
156CCRESCENT ENERGY OPERATING, LLC19,0002010-06-30
156ACRESCENT ENERGY OPERATING, LLC29,0002010-03-23
156JCRESCENT ENERGY OPERATING, LLC29,0002009-12-09