KELTON

Oil · District 08 · Lease #40138

Operator: OXY USA INC.

Cum Oil

441k BBL

Cum Gas

2.0M MCF

casinghead

Wells

5

Production

2010-04 — 2026-04

Peak Month

2012-03

Production History

Cum Oil: 441,121 BBL Cum Gas: 1,963,169 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,840 BBL/mo

Di (annual)

161.2%

b-factor

1.3

EUR

519,875 BBL

R-squared

0.883

type

hyperbolic

Operator History (from monthly production reports)

2017-08 — 2026-07 COG OPERATING LLC 108 mo
2011-06 — 2017-07 OXY USA INC. 74 mo
2010-04 — 2011-05 HIGH SKY PARTNERS LLC 14 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
505COG OPERATING LLC112,2002011-11-29
506COG OPERATING LLC112,2002011-11-02
504COG OPERATING LLC111,9002011-01-12
501COG OPERATING LLC211,5002010-01-27
502COG OPERATING LLC211,9002010-01-27