"REPORTER of the Association of Drilling Contractors" N 2, 2013

FACTORS AFFECTING PDC BIT PERFORMANCE IN ROCKS OF VARYING HARDNESS WHILST DRILLING DIRECTIONAL AND HORIZONTAL WELLS IN TIMANO-PECHORA REGION
Kamatov, Kamal A. – postgraduate student, the Gubkin University of Oil and Gas, kamatovkamal@gmail.com
Podgornov, Valery M. – Dr.Tech.Sci., professor, the Gubkin University of Oil and Gas, vpodgornov@bk.ru


Key words: rock-destruction tool, PDC bits, performance of bit, alternate rock.
The paper focuses on drilling through interbedded formations in directional holes in Komi Republic. It is noted that efficiency of various rock cutting tools is low in the complex geological conditions. Following investigations, a number of factors have been identified, which affect PDC drilling performance in interbedded formations in directional and horizontal wells.


 


 

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