TXL "39"

Oil · District 7C · Lease #17715

Operator: COG OPERATING LLC

Cum Oil

595k BBL

Cum Gas

4.1M MCF

casinghead

Wells

10

Production

2011-10 — 2026-04

Peak Month

2014-10

Production History

Cum Oil: 594,541 BBL Cum Gas: 4,051,908 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,412 BBL/mo

Di (annual)

123.4%

b-factor

1.0

EUR

580,165 BBL

R-squared

0.942

type

hyperbolic

Operator History (from monthly production reports)

2011-10 — 2026-07 COG OPERATING LLC 178 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18HCOG OPERATING LLC212,0002014-03-12
8COG OPERATING LLC112,0002013-03-13
14COG OPERATING LLC112,0002013-02-14
5COG OPERATING LLC112,0002012-12-05
7COG OPERATING LLC111,2752012-10-16
6COG OPERATING LLC112,0002012-05-16
4COG OPERATING LLC112,0002011-12-12
1COG OPERATING LLC312,0002011-09-15
2COG OPERATING LLC110,4002011-07-19
3COG OPERATING LLC110,4252011-07-18