RIO LAVACA 28-48 B

Oil · District 08 · Lease #54627

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

1.0M BBL

Cum Gas

4.1M MCF

casinghead

Wells

3

Production

2020-03 — 2026-04

Peak Month

2024-01

Production History

Cum Oil: 1,037,716 BBL Cum Gas: 4,121,375 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28,777 BBL/mo

Di (annual)

31.5%

b-factor

0.0

EUR

1,097,716 BBL

R-squared

0.452

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2020-03 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 58 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
124DIAMONDBACK E&P LLC110,2002024-02-12
123DIAMONDBACK E&P LLC211,0002020-01-10
222DIAMONDBACK E&P LLC211,0002020-01-10