COSPER 37-48 WSL

Oil · District 08 · Lease #56236

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

3.6M BBL

Cum Gas

9.7M MCF

casinghead

Wells

12

Production

2021-03 — 2026-04

Peak Month

2022-07

Production History

Cum Oil: 3,552,668 BBL Cum Gas: 9,655,605 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

128,004 BBL/mo

Di (annual)

45.9%

b-factor

0.0

EUR

3,349,514 BBL

R-squared

0.653

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2021-03 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 46 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
164DIAMONDBACK E&P LLC110,2782022-03-10
152DIAMONDBACK E&P LLC110,2782021-12-02
162DIAMONDBACK E&P LLC210,2782021-01-21
172DIAMONDBACK E&P LLC210,2782021-01-21
174DIAMONDBACK E&P LLC210,2782021-01-21
182DIAMONDBACK E&P LLC210,2782021-01-21
251DIAMONDBACK E&P LLC210,2782021-01-21
261DIAMONDBACK E&P LLC210,2782021-01-21
263DIAMONDBACK E&P LLC210,2782021-01-21
271DIAMONDBACK E&P LLC210,2782021-01-21
273DIAMONDBACK E&P LLC210,2782021-01-21
281DIAMONDBACK E&P LLC210,2782021-01-21