Crossover
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Keywords: Pup Joint | Macaroni Tubing | Premium Connection
Crossover
The adapter serves as a conversion connection for the drill string components in oil, gas and geological drilling operations. Processing standard SY5200 adapter/API-5D/API-7-2 standard organization production.
Our products have complete specifications and reliable performance, which can meet the needs of drilling at different depths.
And according to the special requirements of users, provide different conversion joints and light blank.
NC23，NC26，NC31，NC35，NC38，NC40，NC44，NC46，NC50，NC56，NC61，NC70，NC77
1. Digital thread:(NC) is a thread that adopts V-0.38R thread profile and is expressed in inches and tenths of inches of the median diameter of the thread reference plane, NC31(2-7/8IF, NC38(3-1/2IF), NC46(4IF), NC50(4-1/2IF).
2. Internal flat type:(IF) refers to the diameter of the joint connecting the outer thickened or inner and outer thickened drill pipes, and the inner diameter of the joint, the inner diameter of the thickened end of the pipe body and the inner diameter of the pipe body are equal to the inner diameter of the pipe body. 2-7/8IF(211), 3-1/2IF(311), 4IF(4A11), 4-1/2IF(411).
3. Penetration type:(FH) refers to the diameter of the inner and outer thickened drill pipes connected by the joint. The inner diameter of the joint and the inner diameter of the thickened end of the pipe body are equal, but smaller than the inner diameter of the pipe body. 5-1/2FH(521)
4. Regular type:(REG) is a thickened drill pipe connected by a joint. The inner diameter of the joint is smaller than the inner diameter of the thickened end of the pipe body, and the inner diameter of the thickened end of the pipe body is smaller than the inner diameter of the pipe body. 4-1/2REG, (431), 6-5/8REG(631), 7-5/8REG(730)
5. The left-hand thread, I .e. reverse thread, is represented by LH
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