GUITAR, EARL

Oil · District 7B · Lease #12849

Operator: ROVER PETROLEUM OPERATING, LLC

Cum Oil

148k BBL

Cum Gas

52k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

2007-04

Production History

Cum Oil: 148,194 BBL Cum Gas: 51,898 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,905 BBL/mo

Di (annual)

29.6%

b-factor

0.3

EUR

108,044 BBL

R-squared

0.879

type

hyperbolic

Operator History (from monthly production reports)

2024-01 — 2026-07 GRAYROCK ENERGY II, LLC 31 mo
2017-06 — 2023-12 ROVER PETROLEUM OPERATING, LLC 79 mo
2011-12 — 2017-05 MERIT ENERGY COMPANY 66 mo
2009-05 — 2011-11 PLANTATION OPERATING, LLC 31 mo
2006-10 — 2009-04 L.C.S. PRODUCTION COMPANY 31 mo
1993-01 — 2006-09 MORRIS, W. DALE INC. 165 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6GRAYROCK ENERGY II, LLC15,5002010-08-02
5GRAYROCK ENERGY II, LLC24,0002007-01-10
142-059-31023GRAYROCK ENERGY II, LLC------
342-059-31174GRAYROCK ENERGY II, LLC------
442-059-31230GRAYROCK ENERGY II, LLC------