ZINN

Oil · District 7C · Lease #18556

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

175k BBL

Cum Gas

342k MCF

casinghead

Wells

1

Production

2013-07 — 2026-04

Peak Month

2013-11

Production History

Cum Oil: 175,197 BBL Cum Gas: 342,453 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,688 BBL/mo

Di (annual)

27.0%

b-factor

0.2

EUR

148,768 BBL

R-squared

0.640

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2013-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 138 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9501HDIAMONDBACK E&P LLC213,0002012-11-15