GUITAR "4"

Oil · District 08 · Lease #41981

Operator: SM ENERGY COMPANY

Cum Oil

65k BBL

Cum Gas

161k MCF

casinghead

Wells

3

Production

2011-10 — 2023-06

Peak Month

2012-02

Production History

Cum Oil: 64,886 BBL Cum Gas: 160,532 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,035 BBL/mo

Di (annual)

29.3%

b-factor

0.4

EUR

66,838 BBL

R-squared

0.640

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
2011-10 — 2016-04 ENDEAVOR ENERGY RESOURCES L.P. 55 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA INC.112,0002012-04-19
2PIONEER NATURAL RES. USA INC.112,0002011-09-21
1PIONEER NATURAL RES. USA INC.112,0002011-05-11