J. J. O'CONNOR 4

Name: J. J. O'CONNOR 4 — Kansas wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 15195001780000 · Trego County, Kansas · WALZ field

Converted to EOR Well

API

15195001780000

Operator

Landmark Resources, Inc.

County

Trego

Field

WALZ

Spudded

1951-04-13

Completed

1951-05-16

Measured depth

3,708 ft

Location

39.098712, -99.605931

39.09871, -99.60593 · Surface location as filed with Kansas⌘ or Ctrl + scroll to zoom

Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-08-19.