MCALPINE GRISHAM 47-35 UNIT 1

Oil · District 08 · Lease #57364

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

1.8M BBL

Cum Gas

7.4M MCF

casinghead

Wells

6

Production

2022-06 — 2026-04

Peak Month

2022-08

Production History

Cum Oil: 1,821,435 BBL Cum Gas: 7,428,391 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

201,975 BBL/mo

Di (annual)

332.6%

b-factor

0.8

EUR

2,577,706 BBL

R-squared

0.985

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2022-06 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 31 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
211DIAMONDBACK E&P LLC111,0002021-07-15
221DIAMONDBACK E&P LLC111,0002021-07-15
223DIAMONDBACK E&P LLC111,0002021-07-15
231DIAMONDBACK E&P LLC111,0002021-07-15
241DIAMONDBACK E&P LLC311,0002021-07-15
243DIAMONDBACK E&P LLC211,0002021-07-15