E VELMA MIDDLE BLOCK UNIT (HEFNER #1) #221

Name: E VELMA MIDDLE BLOCK UNIT (HEFNER #1) #221 — Oklahoma wellbore record
Creator: Railroad Commission of Texas
License: https://www.rrc.texas.gov/site-policies/

API 3501904686 · Carter County, Oklahoma

AC2RIn

API

3501904686

Operator

CITATION OIL & GAS CORP

County

Carter

Location

34.395257, -97.561357

34.39526, -97.56136 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom

Every well in Carter County, Oklahoma

Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-08-19.