SPANISH TRAIL 3-10 A3

Oil · District 08 · Lease #59568

Operator: COG OPERATING LLC

Cum Oil

48k BBL

Cum Gas

419k MCF

casinghead

Wells

1

Production

2023-04 — 2026-04

Peak Month

2025-10

Production History

Cum Oil: 48,045 BBL Cum Gas: 418,961 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,518 BBL/mo

Di (annual)

23.3%

b-factor

0.0

EUR

78,249 BBL

R-squared

0.402

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3421HCOG OPERATING LLC312,0002018-12-31