MCALPINE-GRISHAM "4738"

Oil · District 08 · Lease #37889

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

247k BBL

Cum Gas

496k MCF

casinghead

Wells

3

Production

2006-08 — 2026-04

Peak Month

2006-10

Production History

Cum Oil: 246,788 BBL Cum Gas: 495,624 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,593 BBL/mo

Di (annual)

19.9%

b-factor

0.6

EUR

283,472 BBL

R-squared

0.387

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2006-08 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 221 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC212,0002017-11-20
2DIAMONDBACK E&P LLC312,0002017-11-10
3DIAMONDBACK E&P LLC212,0002017-11-10