RIO LLANO 11-10 C

Oil · District 08 · Lease #55393

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

827k BBL

Cum Gas

2.9M MCF

casinghead

Wells

2

Production

2020-12 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 827,442 BBL Cum Gas: 2,860,780 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

65,176 BBL/mo

Di (annual)

375.8%

b-factor

1.1

EUR

1,300,982 BBL

R-squared

0.946

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2020-12 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 49 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
232DIAMONDBACK E&P LLC115,0002020-11-09
131DIAMONDBACK E&P LLC115,0002020-11-05