ROBERTSON

Oil · District 08 · Lease #37370

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

271k BBL

Cum Gas

632k MCF

casinghead

Wells

3

Production

2004-06 — 2026-04

Peak Month

2004-10

Production History

Cum Oil: 271,471 BBL Cum Gas: 632,232 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,501 BBL/mo

Di (annual)

8.9%

b-factor

0.0

EUR

200,298 BBL

R-squared

0.315

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2004-06 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 247 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC312,0002015-05-13
2DIAMONDBACK E&P LLC312,0002015-05-13
3DIAMONDBACK E&P LLC212,0002014-10-21