ROSS "12"

Oil · District 7C · Lease #17738

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

74k BBL

Cum Gas

94k MCF

casinghead

Wells

1

Production

2011-07 — 2024-10

Peak Month

2011-09

Production History

Cum Oil: 73,967 BBL Cum Gas: 93,763 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,462 BBL/mo

Di (annual)

29.9%

b-factor

0.3

EUR

82,342 BBL

R-squared

0.708

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2011-07 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 162 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC113,5872011-02-10