SANDEFER "37A"

Oil · District 08 · Lease #37731

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

8k BBL

Cum Gas

56k MCF

casinghead

Wells

1

Production

2006-04 — 2009-11

Peak Month

2006-04

Production History

Cum Oil: 8,314 BBL Cum Gas: 56,192 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

652 BBL/mo

Di (annual)

147.4%

b-factor

0.6

EUR

12,227 BBL

R-squared

0.718

type

hyperbolic

Operator History (from monthly production reports)

2006-04 — 2016-10 ENDEAVOR ENERGY RESOURCES L.P. 127 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HENDEAVOR ENERGY RESOURCES L.P.317,0002009-12-17