GRATTAN 4B-30H

Name: GRATTAN 4B-30H — Colorado wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 12334362 · Weld County, Colorado · WATTENBERG field

PROW

API

12334362

Operator

BISON IV OPERATING LLC

County

Weld

Field

WATTENBERG

Spudded

2012-02-09

Measured depth

11,408 ft

True vertical depth

6,984 ft

Location

40.104028, -104.586026

40.10403, -104.58603 · Surface location as filed with Colorado⌘ or Ctrl + scroll to zoom

Colorado state record, from CO_wells_WELLS_SHP.parquet. Corpus built 2026-08-19.