Drilling equipment

• US 3,244,242 A
• Filed: 09/19/1960
• Issued: 04/05/1966
• Est. Priority Date: 09/19/1960
• Status: Expired due to Term

• Current Assignee: Paul A. Wolff
• Original Assignee: Paul A. Wolff
• Inventors: Wolff, Paul A.
• Application Number:
  US04/057,066
• Time in Patent Office: 2,024 Days
• US Class Current: 175/9
• CPC Class Codes: E21B 15/003 adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells

Claims