BARNES, D. E. ESTATE

Oil · District 08 · Lease #38700

Operator: CIMAREX ENERGY CO. OF COLORADO

Cum Oil

1.0M BBL

Cum Gas

1.3M MCF

casinghead

Wells

4

Production

2007-09 — 2026-04

Peak Month

2019-12

Production History

Cum Oil: 1,015,035 BBL Cum Gas: 1,334,381 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,225 BBL/mo

Di (annual)

65.8%

b-factor

0.6

EUR

641,593 BBL

R-squared

0.838

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
2007-09 — 2018-08 CIMAREX ENERGY CO. OF COLORADO 132 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HAPACHE CORPORATION112,1002019-04-18
3HAPACHE CORPORATION112,0002016-11-08
2APACHE CORPORATION211,5002008-05-20
1AHAPACHE CORPORATION615,3002007-05-17