RIO LAVACA 28-48 A

Oil · District 08 · Lease #54609

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

1.0M BBL

Cum Gas

2.2M MCF

casinghead

Wells

3

Production

2020-05 — 2026-04

Peak Month

2021-08

Production History

Cum Oil: 1,043,580 BBL Cum Gas: 2,232,709 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,531 BBL/mo

Di (annual)

25.2%

b-factor

0.0

EUR

1,214,415 BBL

R-squared

0.373

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2020-05 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 56 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
114DIAMONDBACK E&P LLC110,2002024-02-12
112DIAMONDBACK E&P LLC211,0002020-01-10
113DIAMONDBACK E&P LLC211,0002020-01-10