NANCE "30"

Oil · District 08 · Lease #38428

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

223k BBL

Cum Gas

204k MCF

casinghead

Wells

4

Production

2007-10 — 2026-04

Peak Month

2009-08

Production History

Cum Oil: 222,649 BBL Cum Gas: 203,556 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,592 BBL/mo

Di (annual)

24.5%

b-factor

0.6

EUR

240,244 BBL

R-squared

0.809

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2007-10 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 207 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2DIAMONDBACK E&P LLC212,0002018-04-02
3DIAMONDBACK E&P LLC212,0002018-03-28
4DIAMONDBACK E&P LLC212,0002018-03-28
1DIAMONDBACK E&P LLC112,0002007-05-16