ROMINE "38"

Oil · District 08 · Lease #38645

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

236k BBL

Cum Gas

737k MCF

casinghead

Wells

4

Production

2007-12 — 2026-04

Peak Month

2009-06

Production History

Cum Oil: 235,600 BBL Cum Gas: 737,083 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,862 BBL/mo

Di (annual)

19.8%

b-factor

0.2

EUR

213,684 BBL

R-squared

0.799

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2007-12 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 205 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC312,0002017-11-16
2DIAMONDBACK E&P LLC212,0002017-11-10
3DIAMONDBACK E&P LLC212,0002017-11-10
4DIAMONDBACK E&P LLC212,0002011-05-02