Title:
ROD JOINING
Document Type and Number:
WIPO Patent Application WO/2015/105467
Kind Code:
A3
Abstract:
The invention relates to rod or casing elements (1) used in drilling rigs, wherein it comprises a threaded part (3) on the female port (2) part and male port (4) part on the rod or casing element (1), and minimum one thread starting port (6) on the threaded part (3) formed in the thread start (5) part in order to eliminate probable thread bite and jamming problems.
Inventors:
ERTÜRK M FERIDUN (TR)
Application Number:
PCT/TR2014/000488
Publication Date:
August 27, 2015
Filing Date:
December 05, 2014
Export Citation:
Assignee:
DBC MAKİNA SAN VE TİC LTD ŞTİ (TR)
International Classes:
E21B17/042
Foreign References:
| US20130220636A1 | 2013-08-29 | |||
| US20060032629A1 | 2006-02-16 | |||
| US20090136316A1 | 2009-05-28 |
Attorney, Agent or Firm:
YÖN PATENT VE DANIŞMANLIK LTD.ŞTİ. et al. (Kozyatağı Kadıköy, İstanbul, TR)
Download PDF:
Previous Patent: METHOD PERFORMED BY SECOND SCREEN ADVERTISING PLATFORM SYSTEM FOR AUDIO AND VISUAL BROADCAST
Next Patent: INSULATED EMBEDDED FLOOR
Next Patent: INSULATED EMBEDDED FLOOR