ALLISON

Oil · District 7C · Lease #18587

Operator: SUMMIT PETROLEUM LLC

Cum Oil

643k BBL

Cum Gas

3.3M MCF

casinghead

Wells

13

Production

2013-11 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 642,591 BBL Cum Gas: 3,271,195 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

41,437 BBL/mo

Di (annual)

361.8%

b-factor

1.0

EUR

716,095 BBL

R-squared

0.894

type

hyperbolic

Operator History (from monthly production reports)

2013-11 — 2026-07 SUMMIT PETROLEUM LLC 153 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2515SUMMIT PETROLEUM LLC111,1002013-11-21
2503SUMMIT PETROLEUM LLC111,2002013-11-20
2514SUMMIT PETROLEUM LLC111,2002013-11-20
2506SUMMIT PETROLEUM LLC111,2002013-11-15
2507SUMMIT PETROLEUM LLC111,2002013-11-15
2510SUMMIT PETROLEUM LLC111,1002013-11-15
2516SUMMIT PETROLEUM LLC111,0002013-11-13
2501SUMMIT PETROLEUM LLC111,2002013-06-25
2504SUMMIT PETROLEUM LLC111,2002013-06-25
2512SUMMIT PETROLEUM LLC111,2002013-06-25
2513SUMMIT PETROLEUM LLC111,2002013-06-25
2509SUMMIT PETROLEUM LLC111,2002013-06-20
2508SUMMIT PETROLEUM LLC111,2002013-06-18