RUBY SOUTH UNIT 1-39

Oil · District 08 · Lease #45019

Operator: COTERRA ENERGY OPERATING CO.

Cum Oil

345k BBL

Cum Gas

1.2M MCF

casinghead

Wells

1

Production

2013-07 — 2026-04

Peak Month

2013-09

Production History

Cum Oil: 344,577 BBL Cum Gas: 1,198,031 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28,844 BBL/mo

Di (annual)

502.9%

b-factor

0.6

EUR

167,019 BBL

R-squared

0.833

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 COTERRA ENERGY OPERATING CO. 9 mo
2013-07 — 2025-10 CIMAREX ENERGY CO. 148 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCOTERRA ENERGY OPERATING CO.211,2932013-02-27