GUITAR 28

Oil · District 08 · Lease #38167

Operator: SM ENERGY COMPANY

Cum Oil

153k BBL

Cum Gas

398k MCF

casinghead

Wells

6

Production

2007-04 — 2024-05

Peak Month

2015-08

Production History

Cum Oil: 153,266 BBL Cum Gas: 398,439 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,731 BBL/mo

Di (annual)

28.2%

b-factor

0.0

EUR

73,689 BBL

R-squared

0.443

type

exponential

Operator History (from monthly production reports)

2017-01 — 2025-08 SM ENERGY COMPANY 104 mo
2016-05 — 2016-12 QSTAR OPERATING LLC 8 mo
2007-07 — 2016-04 ENDEAVOR ENERGY RESOURCES L.P. 106 mo
2007-04 — 2007-06 OGX RESOURCES LLC 3 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6SM ENERGY COMPANY211,4002017-04-04
2NEW HEIGHT ENERGY, LLC412,0002016-04-08
5SM ENERGY COMPANY112,0002015-01-07
4SM ENERGY COMPANY112,0002014-02-18
3SM ENERGY COMPANY112,0002013-08-15
1SM ENERGY COMPANY210,7002006-12-07