Drilling Collar
Quantity : 500000tons Price : $5-$200000
The drill collars for sale is at the bottom of the drill string and is a major component of the lower hole assembly. Its main feature is that the wall thickness is large (generally 38~53mm, which is equivalent to 4~6 times of the wall thickness of the drill pipe), and it has greater gravity and rigidity. In order to facilitate the drilling work, the elevator slot and the slip groove can be processed on the outer surface of the internal thread of the drill collar.
non mag drill collars for sale introduction
Made of rolled or forged AISI 4145H chrome-molybdenum alloy steel for effective control of chemical and trace element content.
For more information about drill collar types, please feel free to contact us!
If you are looking for a reliable drill collar supplier, don't hesitate to contact us!
There are many oil equipment suppliers, but we are one of the best choices for you.
Contact : Liu Rex, +86 0531 69959201
Good deal: buying from seller
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Sunday, December 02, 2007
Quantity : 24 000 kgs - Price : $2.5 - $4.5
Dear Sir,Madam! Our company is one of the leading exporters of Dried seafood in Viet Nam. Our main products are: Dried anchovy(Headless and Headon), Dried yellow stripe trevally, Dried herring, Dried leather jacket, Dried Round Scad, Dried Thream Fin,Dried Yellow Tail Skad Salted...
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