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 Releasing Rod Overshot TLNSH is used to catch and retrieve elements of pipe strings (mostly pump rods) during the fishing operations in wells.

Design
The body of releasing rod overshot has a thread for connection to sub in the upper part. This sub is connected to the fishing string by rod thread or tool-joint thread. The guide with screw cut is fixed to the lower part of body. It is used to guide the upper end of fished string into releasing rod overshot.

The releasing rod overshot with basket grapple is used with minor diameter of gripping elements of emergency string, and spiral grapple – with bigger diameter close to the outer diameter of overshot.

Cone spiral surfaces at internal surface of body, external surfaces of basket or spiral grapples provide the gripping process of releasing rod overshot.
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