Product Name: sucker rod, polished rod, and accessories
Product Description: Our company produces and operates various standard sizes of sucker rods and polished rods.
Grade of steel including C, K, D, KD, H, HL, HY, etc.
Polished rod surface treatment including polishing and chrome plated layer, tungsten alloy layer.
Rod accessories include sucker rod nipple, sucker rod coupling and variable diameter nylon coupling, sucker rod nylon centralizer, sucker rod roller centralizer, polished rod clip, polished rod sealing device, etc.
Steel solid sucker rod divided into:Polish rod,Sucker rod,High- strength sucker rod,sinker bar and coupling part etc.
1.The use and selection for polish rod
The rod is mainly used to connect the wire rope and down-hole sucker rod,sealed by wellhead packing box,transmitting the reciprocating power to the underground sucker rod. The rod divided by strength level as Grade C which is for light
medium oil well,D for medium heavy and K for anti-corrosion and resistance. The specification table of end upsetting and matching sucker rod as below:
2.The use and selection for sucker rod
Sucker rod is mainly used to connect the rod and sucker rod pump,transmitting the ground power to the sucker rod pump. The common sucker rod divided by the level of mechanical properties as grade C,D and K. The selection for rod is related with its depth(length),diameter,and performance of the sucker rod. The Grade D for selection and matching shown as below table:
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