TXL '11'

Oil · District 7C · Lease #18195

Operator: COG OPERATING LLC

Cum Oil

273k BBL

Cum Gas

1.0M MCF

casinghead

Wells

3

Production

2013-01 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 272,843 BBL Cum Gas: 1,003,216 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,777 BBL/mo

Di (annual)

29.3%

b-factor

0.7

EUR

332,608 BBL

R-squared

0.570

type

hyperbolic

Operator History (from monthly production reports)

2013-01 — 2026-07 COG OPERATING LLC 163 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10COG OPERATING LLC112,0002013-06-05
11COG OPERATING LLC112,0002012-12-06
3COG OPERATING LLC112,0002012-05-16