CHEST THUMPER 1-5 UNIT 1B

Oil · District 08 · Lease #60620

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

584k BBL

Cum Gas

1.9M MCF

casinghead

Wells

3

Production

2023-10 — 2026-04

Peak Month

2024-09

Production History

Cum Oil: 584,458 BBL Cum Gas: 1,882,051 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

53,898 BBL/mo

Di (annual)

121.3%

b-factor

0.1

EUR

593,010 BBL

R-squared

0.957

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2023-10 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 15 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
211DIAMONDBACK E&P LLC199,9992023-06-08
224DIAMONDBACK E&P LLC199,9992023-06-08
234DIAMONDBACK E&P LLC199,9992023-06-08