BULSTERBAUM "26"

Oil · District 08 · Lease #36724

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

87k BBL

Cum Gas

136k MCF

casinghead

Wells

2

Production

2001-08 — 2026-04

Peak Month

2002-03

Production History

Cum Oil: 87,110 BBL Cum Gas: 136,386 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,090 BBL/mo

Di (annual)

19.8%

b-factor

0.2

EUR

81,415 BBL

R-squared

0.824

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2001-08 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 281 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC111,9002001-09-13
2DIAMONDBACK E&P LLC211,9002001-05-30