SHAFFER "2"

Oil · District 08 · Lease #38861

Operator: GUIDON ENERGY MGMT SERVICES LLC

Cum Oil

122k BBL

Cum Gas

112k MCF

casinghead

Wells

2

Production

2008-04 — 2023-03

Peak Month

2009-02

Production History

Cum Oil: 121,581 BBL Cum Gas: 112,307 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,903 BBL/mo

Di (annual)

100.7%

b-factor

1.0

EUR

136,288 BBL

R-squared

0.870

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2026-07 DIAMONDBACK E&P LLC 67 mo
2016-10 — 2020-12 GUIDON ENERGY MGMT SERVICES LLC 51 mo
2008-04 — 2016-09 ENDEAVOR ENERGY RESOURCES L.P. 102 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002016-06-13
2DIAMONDBACK E&P LLC212,0002016-06-13