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#CASING COUPLING 7-5/8#COUPLING 7-5/8 BTC#7-5/8 BTC N80
COUPLING
Tubing and casing couplings are the joining of two short length pipe, mainly used for the connection and repair of oil pipe and downhole tools
Tubing and couplings thread types : Non-upset thread(NU), External- upset thread(EU);
Casing and couplings thread types: Long-round thread(LC), Short-round thread(SC), buttress thread(BC)
Grade: K55,J55,N80-1,N80Q,L80-1,P110,etc.
2 years ago
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Tubing and Casing Coupling pup joint
Henan Dongfanglong Machine Manufacture Co., Ltd
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