RIO LLANO 11-10 G

Oil · District 08 · Lease #54365

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

1.5M BBL

Cum Gas

4.8M MCF

casinghead

Wells

4

Production

2020-01 — 2026-04

Peak Month

2020-12

Production History

Cum Oil: 1,493,405 BBL Cum Gas: 4,753,369 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

105,104 BBL/mo

Di (annual)

193.4%

b-factor

0.7

EUR

1,820,214 BBL

R-squared

0.979

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2020-01 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 60 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
171DIAMONDBACK E&P LLC29,7122019-10-28
172DIAMONDBACK E&P LLC29,7122019-10-28
174DIAMONDBACK E&P LLC29,7122019-10-28
273DIAMONDBACK E&P LLC29,7122019-10-28