FIELDS 33-27

Oil · District 08 · Lease #39128

Operator: CIMAREX ENERGY CO. OF COLORADO

Cum Oil

420k BBL

Cum Gas

503k MCF

casinghead

Wells

1

Production

2008-09 — 2026-04

Peak Month

2011-01

Production History

Cum Oil: 420,471 BBL Cum Gas: 502,861 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,398 BBL/mo

Di (annual)

42.0%

b-factor

0.2

EUR

299,782 BBL

R-squared

0.624

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2018-09 — 2024-07 CALLON PETROLEUM OPERATING CO 71 mo
2008-09 — 2018-08 CIMAREX ENERGY CO. OF COLORADO 120 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HAPACHE CORPORATION411,5002007-12-08