SPANISH TRAIL 3-10 A8

Oil · District 08 · Lease #59564

Operator: COG OPERATING LLC

Cum Oil

26k BBL

Cum Gas

331k MCF

casinghead

Wells

1

Production

2023-04 — 2026-04

Peak Month

2024-06

Production History

Cum Oil: 26,113 BBL Cum Gas: 330,885 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

893 BBL/mo

Di (annual)

34.4%

b-factor

0.0

EUR

31,115 BBL

R-squared

0.642

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3452HCOG OPERATING LLC412,0002018-12-31