TXL '15'

Oil · District 7C · Lease #17970

Operator: COG OPERATING LLC

Cum Oil

263k BBL

Cum Gas

1.1M MCF

casinghead

Wells

4

Production

2012-05 — 2026-04

Peak Month

2012-10

Production History

Cum Oil: 263,197 BBL Cum Gas: 1,080,623 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,412 BBL/mo

Di (annual)

9.1%

b-factor

0.0

EUR

313,913 BBL

R-squared

0.437

type

exponential

Operator History (from monthly production reports)

2012-05 — 2026-07 COG OPERATING LLC 171 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8COG OPERATING LLC112,0002012-07-17
7COG OPERATING LLC112,0002012-04-06
3COG OPERATING LLC112,0002012-03-23
4COG OPERATING LLC112,0002012-03-02