NAIL '12'

Oil · District 08 · Lease #42315

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

170k BBL

Cum Gas

369k MCF

casinghead

Wells

3

Production

2012-02 — 2026-04

Peak Month

2012-04

Production History

Cum Oil: 169,566 BBL Cum Gas: 369,145 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,035 BBL/mo

Di (annual)

114.5%

b-factor

1.5

EUR

218,202 BBL

R-squared

0.851

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2012-02 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 155 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC112,0002013-10-28
1DIAMONDBACK E&P LLC212,0002013-04-26
2DIAMONDBACK E&P LLC212,0002012-08-20