WTH 21-16 A

Oil · District 08 · Lease #52933

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

1.5M BBL

Cum Gas

4.0M MCF

casinghead

Wells

4

Production

2019-05 — 2026-04

Peak Month

2020-08

Production History

Cum Oil: 1,450,579 BBL Cum Gas: 3,996,340 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,500 BBL/mo

Di (annual)

27.0%

b-factor

0.0

EUR

1,353,945 BBL

R-squared

0.509

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2019-05 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 68 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
213DIAMONDBACK E&P LLC110,3302022-06-28
212RDIAMONDBACK E&P LLC311,0002019-06-05
112DIAMONDBACK E&P LLC211,0002019-03-06
212DIAMONDBACK E&P LLC110,3302019-03-06