DEBBIE LEE MCMASTER-B-

Oil · District 7C · Lease #17661

Operator: VITAL ENERGY, INC.

Cum Oil

54k BBL

Cum Gas

211k MCF

casinghead

Wells

2

Production

2011-08 — 2026-04

Peak Month

2012-06

Production History

Cum Oil: 53,917 BBL Cum Gas: 210,563 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,182 BBL/mo

Di (annual)

299.6%

b-factor

0.9

EUR

36,794 BBL

R-squared

0.622

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

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
156NCRESCENT ENERGY OPERATING, LLC19,0002012-02-09
156KCRESCENT ENERGY OPERATING, LLC110,5002011-05-18