CASBEER UNIT

Oil · District 08 · Lease #41262

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

51k BBL

Cum Gas

77k MCF

casinghead

Wells

1

Production

2011-06 — 2026-04

Peak Month

2011-11

Production History

Cum Oil: 50,825 BBL Cum Gas: 77,179 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

434 BBL/mo

Di (annual)

8.3%

b-factor

0.0

EUR

61,592 BBL

R-squared

0.440

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2011-06 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 163 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC111,6482010-10-26