TXL "F"

Oil · District 7C · Lease #17155

Operator: COG OPERATING LLC

Cum Oil

69k BBL

Cum Gas

392k MCF

casinghead

Wells

2

Production

2010-05 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 69,088 BBL Cum Gas: 392,431 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,029 BBL/mo

Di (annual)

33.3%

b-factor

0.3

EUR

52,149 BBL

R-squared

0.546

type

hyperbolic

Operator History (from monthly production reports)

2010-05 — 2026-07 COG OPERATING LLC 195 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11COG OPERATING LLC112,0002012-10-30
10COG OPERATING LLC110,8002008-10-09