SIEVERS 2-35

Oil · District 08 · Lease #46116

Operator: COTERRA ENERGY OPERATING CO.

Cum Oil

288k BBL

Cum Gas

933k MCF

casinghead

Wells

1

Production

2014-08 — 2026-03

Peak Month

2014-10

Production History

Cum Oil: 287,708 BBL Cum Gas: 932,502 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,451 BBL/mo

Di (annual)

46.5%

b-factor

0.1

EUR

271,006 BBL

R-squared

0.735

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 COTERRA ENERGY OPERATING CO. 9 mo
2014-08 — 2025-10 CIMAREX ENERGY CO. 135 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCOTERRA ENERGY OPERATING CO.215,0002023-02-24