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Tianjin oil casing coupling manufacturers crossover sub
Crossover adapter nipples, tubing & casing nipples, and seating nipples are made from API grades of pipe and mechanical tubing. Rigid quality standards are maintained throughought the manufacturing process by frequent inspection and testing. Raw material quality is assured by our quality assurance program.
An Adapter Sub or Crossover Sub is used to connect one type of thread to another. Available in any combination of Box x Box, Pin x Box, or Pin x Pin. Many different thread types can be involved with different lengths, wall thicknesses, and material types.
Dalipu carries or manufactures the adapter or crossover sub required for your installation, including:
（1）Flange adapter（2）Crossover sub（3）Drill Rod Adapter（4）Core Barrel Adapter
（5）Casing Adapter（6）Saver Subs（7）Overshot（8）Taper
A Lift Sub enables the safe,efficient handling of straight OD tubulars such as drill collars,shock tools,jars,directional equipment and other tools by using the drill pipe elevators,default length 36"
Saver Sub is used to extend the life of the kelly by taking the connection wear each time it is make-up to a drill stem component.The saver sub connection is sacrificed because it can be easily repaired or inexpensively
replaced.The saver sub can be equipped with a rubber protector to reduce BOP equipment and casing wear resulting from contact damage with a lower Kelly
connectiondefault long,default length 24".
Straight OD Sub is used to connect drill stem members that have a similar outside diameter.The drill bit,downhole tools,heavy weight drill pipe and
drill pipe can be crossed over using a straight OD sub,default length 36".
Reduced Section Sub is used to connect drill stem members that have different diameters that warrant the cross-sectional change necessary to accommodate
different connections.This sub would be used to crossover large OD drilling tools or a tapered drill collar string,default length 48"
We will choose the suitable packing for different goods, protect the safety of goods and help customer to design the
economical shipping plan at same time.
Packaging Details: In Wooden Pallets
Delivery Detail: Shipped in 10 days after payment
TIANJIN DALIPU OIL COUNTRY TUBULAR GOODS CO.,LTD is a modern professional industry and trade combined enterprise specializing in producing and trading seamless steel pipes.
The main products of our company are the oil casings and oil pipelines. We not only supply our goods with many large oil fields, but also establish a long-term business relationship with the Middle East Europe, Africa and other countries around the world and co-operative very well.
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