TUNNELL

Oil · District 08 · Lease #21787

Operator: STALLION ENERGY, INC.

Cum Oil

70k BBL

Cum Gas

112k MCF

casinghead

Wells

3

Production

1993-01 — 2015-03

Peak Month

1995-08

Production History

Cum Oil: 69,807 BBL Cum Gas: 112,404 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

707 BBL/mo

Di (annual)

18.9%

b-factor

0.4

EUR

67,693 BBL

R-squared

0.435

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2021-08 DIAMONDBACK E&P LLC 8 mo
2016-10 — 2020-12 GUIDON ENERGY MGMT SERVICES LLC 51 mo
2004-05 — 2016-09 ENDEAVOR ENERGY RESOURCES L.P. 149 mo
2003-08 — 2004-04 STALLION ENERGY, INC. 9 mo
1994-11 — 2003-07 ODESSA EXPLORATION, INC. 105 mo
1993-01 — 1994-10 PENTEX OPERATING COMPANY 22 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC19,5001995-02-15
2DIAMONDBACK E&P LLC29,5001994-12-29
142-317-30200DIAMONDBACK E&P LLC------