ESTELLE

Oil · District 7C · Lease #18126

Operator: SUMMIT PETROLEUM LLC

Cum Oil

554k BBL

Cum Gas

5.2M MCF

casinghead

Wells

15

Production

2013-02 — 2026-04

Peak Month

2013-09

Production History

Cum Oil: 553,878 BBL Cum Gas: 5,208,285 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,272 BBL/mo

Di (annual)

70.2%

b-factor

0.6

EUR

569,570 BBL

R-squared

0.941

type

hyperbolic

Operator History (from monthly production reports)

2013-02 — 2026-07 SUMMIT PETROLEUM LLC 162 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2106SUMMIT PETROLEUM LLC111,1002013-03-20
2113SUMMIT PETROLEUM LLC111,0002013-03-20
2105SUMMIT PETROLEUM LLC111,2002013-02-27
2112SUMMIT PETROLEUM LLC111,2002013-02-27
2101SUMMIT PETROLEUM LLC111,2002013-02-26
2104SUMMIT PETROLEUM LLC111,0002013-02-21
2111SUMMIT PETROLEUM LLC111,1002013-02-21
2103SUMMIT PETROLEUM LLC211,5002012-11-29
2108SUMMIT PETROLEUM LLC211,1502012-10-31
2102SUMMIT PETROLEUM LLC211,0002012-10-30
2107SUMMIT PETROLEUM LLC211,1502012-10-30
2109SUMMIT PETROLEUM LLC211,0002012-10-30
2114SUMMIT PETROLEUM LLC211,1002012-10-30
2116SUMMIT PETROLEUM LLC211,1502012-10-30
2115SUMMIT PETROLEUM LLC211,2002012-10-24