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 Threaded Open-Ended Die Сollar is used for gripping by screwing over outer surface of pipes, upset parts of pipes, couplings, joints and subsequent extraction of drill, tubing or casing strings during fishing operations in the well.

Design 

The Threaded Open-Ended Die Collar is a pup joint with box joint at the top and internal fishing thread at the bottom. 
To help the collar to cut deeply into the fished object and improve conditions for chips removal special profiled grooves are made along the fishing thread.
The Die Collar can be designed in left/right hand configuration.
The Die Collar with right hand configuration is used for retrieving left pipes simultaneously, with left hand – for retrieving piecemeal by screwing parts of emergency columns.
The Collar provides opportunity to pass top end of the tube through the body of collar and capture it over the upset part of pipe, junction box or lock.
Images and Dimensions
Technical data
To cart Code OD, in Axial load, lbf Length, ft Connection,
API
Smallest ID of fishing thread, in Biggest ID of fishing thread, in Weight, lb
LKs-82.66x51 3.22 26 980 1.21 Upset tubing 2-3/8 2.0 2.6 26.46
LKs-90.69x52 3.54 60 700 1.73 Non-upset tubing 2-7/8 2.05 2.72 31.83
LKs-99.83x63 3.89 71 940 1.73 Upset tubing 2-7/8 2.48 3.26 29.1
LKs-114.98x76 4.5 89 920 1.83 Upset tubing 3-1/2 2.99 3.86 42.77
LKs-118.102x80 4.64 103 400 1.78 Non-upset tubing 4 3.15 4.01 41.89
LKs-135.115x94 5.32 112 400 1.9 Non-upset tubing 4 3.7 4.52 55.56
LKs-137.121x92 5.39 123 600 2.13 Non-upset tubing 4 3.62 4.76 79.37
LKs-152.136x105 5.98 134 900 2.23 Non-upset tubing 4-1/2 4.13 5.35 92.59
LKs-166.150x117 6.53 148 400 2.49 API casing 5 4.6 5.9 103.6
LKs-176.160x130 6.93 157 400 2.49 API casing 5-1/2 5.11 6.3 114.6
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