BLAGRAVE '58'

Oil · District 08 · Lease #44536

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

88k BBL

Cum Gas

434k MCF

casinghead

Wells

2

Production

2014-01 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 88,120 BBL Cum Gas: 433,630 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,717 BBL/mo

Di (annual)

118.3%

b-factor

0.9

EUR

98,798 BBL

R-squared

0.754

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2014-01 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 132 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC112,0002014-03-12
1DIAMONDBACK E&P LLC112,0002013-07-09