SPANISH TRAIL 3-10 A18

Oil · District 08 · Lease #59556

Operator: COG OPERATING LLC

Cum Oil

117k BBL

Cum Gas

322k MCF

casinghead

Wells

1

Production

2023-04 — 2026-04

Peak Month

2023-06

Production History

Cum Oil: 116,911 BBL Cum Gas: 322,326 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,962 BBL/mo

Di (annual)

76.3%

b-factor

2.0

EUR

608,244 BBL

R-squared

0.798

type

hyperbolic

Operator History (from monthly production reports)

2023-04 — 2026-07 COG OPERATING LLC 40 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3572HCOG OPERATING LLC312,0002018-01-03