TXL HOLZGRAF Z4

Oil · District 7C · Lease #21452

Operator: COG OPERATING LLC

Cum Oil

509k BBL

Cum Gas

667k MCF

casinghead

Wells

1

Production

2021-08 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 509,161 BBL Cum Gas: 666,705 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,278 BBL/mo

Di (annual)

52.3%

b-factor

0.0

EUR

419,589 BBL

R-squared

0.688

type

exponential

Operator History (from monthly production reports)

2021-08 — 2026-07 COG OPERATING LLC 60 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2315LHCOG OPERATING LLC112,0002021-01-20