MCDONALD "46" # 1

Oil · District 08 · Lease #37082

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

81k BBL

Cum Gas

206k MCF

casinghead

Wells

1

Production

2002-11 — 2026-04

Peak Month

2005-11

Production History

Cum Oil: 80,861 BBL Cum Gas: 205,938 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

523 BBL/mo

Di (annual)

8.5%

b-factor

0.2

EUR

84,419 BBL

R-squared

0.579

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2002-11 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 266 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC412,0002002-09-18