CYPERT 57-51 UNIT 2

Oil · District 08 · Lease #52885

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

2.5M BBL

Cum Gas

9.2M MCF

casinghead

Wells

9

Production

2019-03 — 2026-04

Peak Month

2020-01

Production History

Cum Oil: 2,523,753 BBL Cum Gas: 9,242,547 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

150,869 BBL/mo

Di (annual)

142.9%

b-factor

0.5

EUR

2,466,707 BBL

R-squared

0.950

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-03 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 70 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
152DIAMONDBACK E&P LLC111,0002019-03-19
251DIAMONDBACK E&P LLC111,0002019-03-19
261DIAMONDBACK E&P LLC111,0002019-03-19
163DIAMONDBACK E&P LLC111,0002019-02-13
173DIAMONDBACK E&P LLC211,0002019-02-13
262DIAMONDBACK E&P LLC111,0002019-02-13
271DIAMONDBACK E&P LLC111,0002019-02-13
272DIAMONDBACK E&P LLC111,0002019-02-13
281DIAMONDBACK E&P LLC111,0002019-02-13