Grade D Sucker Rod

Sucker rod profile

The sucker rod is an elongated rod member of a pumping well. It is connected with a light rod and a sucker pump at the bottom to transmit power.

The single length of the sucker rod is 7.62 or 8 meters and 9.14m. The material is generally low-carbon alloy steel. After quenching and tempering, the oil pipe is connected with the internally threaded hoop one by one to the piston at the underground oil layer. Reciprocating motion to pump oil. The current length of oil wells is generally about two kilometers, with Shengli Oilfield as an example, the deepest is more than 3,000 meters.

Equipment composition edit

Composition: pumping unit, sucker rod, pump

Name of each part of the pumping system

1.Fixed Ver2, pump barrel 3, plunger 4, swimming Ver5, sucker rod 6, fluid surface 7, tubing 8, casing 9, tee 10, packing box 11, polished rod 12, Donkey head 13, beam 14, connecting rod 15, crank 16, reducer 17, motor

Sucker classification

Common sucker rods: C, D, K, KD sucker rods

High-strength sucker rod: H-class, divided into HY, HL, KHL

Special Sucker Rod: Hollow Sucker Rod: Steel Rod

Continuous sucker rod: steel rod

Sucker rods for screw pumps: tapered screw rods, plug-in sucker rods

FRP Sucker Rod: Fiber Reinforced Plastic Sucker Rod

Flexible Sucker Rod: Carbon Fiber Composite Sucker Rod, Wire Rope Sucker Rod

Other types of sucker rods: electric heating sucker rods

Sucker Rod Code Editing

From right to left:

Sucker rod length, mm

Level and type, C, D, K, KD, HL, HY, KHL

Nominal shaft diameter, mm

Steel sucker rod designation, CYG

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