DUNIGAN "12"

Oil · District 08 · Lease #40893

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

75k BBL

Cum Gas

187k MCF

casinghead

Wells

1

Production

2011-02 — 2026-04

Peak Month

2013-02

Production History

Cum Oil: 75,217 BBL Cum Gas: 186,917 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

671 BBL/mo

Di (annual)

8.3%

b-factor

0.1

EUR

102,667 BBL

R-squared

0.513

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 DIAMONDBACK E&P LLC 15 mo
2024-05 — 2025-04 DE IV OPERATING, LLC 12 mo
2011-02 — 2024-04 ENDEAVOR ENERGY RESOURCES L.P. 159 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002017-08-01