CRESPI UNIT 1

Oil · District 08 · Lease #39784

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

314k BBL

Cum Gas

558k MCF

casinghead

Wells

4

Production

2009-10 — 2026-04

Peak Month

2014-09

Production History

Cum Oil: 313,846 BBL Cum Gas: 558,430 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,708 BBL/mo

Di (annual)

20.5%

b-factor

0.3

EUR

298,342 BBL

R-squared

0.682

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2009-10 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 183 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
138DIAMONDBACK E&P LLC512,0002018-05-11
2MDIAMONDBACK E&P LLC111,5002015-01-22
147DIAMONDBACK E&P LLC112,0002015-01-07
247DIAMONDBACK E&P LLC112,0002013-02-05