Tools for sidetracking. Fishing, milling and cleaning equipment. Tools for coiled tubing units. 

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“BITTEKHNIKA” LLC was founded in 1996. Through all these years of successful experience we have developed a sustainable manufacturing system of oilfield equipment. 
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Address: 395 Ya, Shosse Kosmonavtov Str., Perm, Russia, 614065
Phone: +7 (342) 27-000-27, 294-64-64
E-mail:
info@bittekhnika.rusales@bittekhnika.ru,  pr@bittekhnika.ru

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Application 

The Pin-and-roller Reamer RSH is designed to ream and calibrate borehole section to prevent overpull and provide better lining with casing. The Pin-and-roller Reamer can be used in conjunction with a single drillbit attached to the bottom part and it is able to drill and ream the casing simultaneously. The Reamer is exploited in medium-hard, hard and competent formations. 

Design 

The Pin-and-roller Reamer consists of a body with attached dovetails and arranged gauge cutters. There is a connection thread at the upper part of body to provide connection with drilling pipes. The bottom part of body has also a connection thread to connect bullnose sub, drillbit or other tools. The downhole works using the reamer are performed in a rotary system. The optimum condition for gauge cutters appears at 120 cycles per minute rate rotation. The Pin-and-roller Reamer can be used individually with washing through wash-out ports. For milling the Reamer is used in conjunction with a single drillbit.  
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