< leases

GUITAR SOUTH 1-4

Oil · District 08 · Lease #45428

Operator: SM ENERGY COMPANY

Fields: SPRABERRY (TREND AREA)

Cum Oil

202k BBL

Cum Gas

718k MCF

casinghead

Wells

1

Production

2014-01 — 2026-04

Peak Month

2014-03

Production History

Cum Oil: 201,874 BBL Cum Gas: 718,473 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,661 BBL/mo

Di (annual)

76.4%

b-factor

1.0

EUR

211,011 BBL

R-squared

0.597

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2017-05 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 45 mo
2017-04 — 2017-04 DE OPERATING LLC 1 mo
2017-01 — 2017-03 SM ENERGY COMPANY 3 mo
2016-05 — 2016-12 QSTAR OPERATING LLC 8 mo
2014-01 — 2016-04 ENDEAVOR ENERGY RESOURCES L.P. 28 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1H42-227-37511PIONEER NATURAL RES. USA, INC.212,0002013-07-10