Siefkin 11-30H (OWP)

Name: Siefkin 11-30H (OWP) — Colorado wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 12333901 · Weld County, Colorado · WATTENBERG field

SIOW

API

12333901

Operator

PHOENIX RESOURCES LLC

County

Weld

Field

WATTENBERG

Spudded

2012-08-10

Measured depth

10,585 ft

True vertical depth

6,381 ft

Location

40.551460, -104.258200

40.55146, -104.25820 · Surface location as filed with Colorado⌘ or Ctrl + scroll to zoom

Every well in Weld County, Colorado

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