RIO LAVACA 28-48 D

Oil · District 08 · Lease #54628

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

868k BBL

Cum Gas

1.6M MCF

casinghead

Wells

3

Production

2020-03 — 2026-04

Peak Month

2021-07

Production History

Cum Oil: 867,951 BBL Cum Gas: 1,581,267 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

37,878 BBL/mo

Di (annual)

647.7%

b-factor

1.9

EUR

1,558,358 BBL

R-squared

0.794

type

hyperbolic

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
243DIAMONDBACK E&P LLC211,0002020-01-17
142DIAMONDBACK E&P LLC211,0002020-01-10
144DIAMONDBACK E&P LLC211,0002020-01-10