Design features of roller bushing

This patch is an oil drilling tool. It is matched with the square tile of the rotary table to drive the kelly. The product uses four rollers to rotate to reduce the friction with the kelly and prolong its life. For square and hexagonal kelly rods of different specifications, they can be matched with various types of turntables by replacing rollers. There are two forms of square rotation and pin rotation. Design and manufacture according to APISpec 7K "Drilling Equipment Specification".

Note: Including all specifications and models of turntable cores, square tiles, bushing cores, kelly cores, etc.

Roller filling parameter table

Casing filling

CU, CUL, CB and other types of casing filling and lining, can be used to clamp 95/8in casing. CU and CUL types are integral cores; CB type is partial cores.

Note: Including all specifications and models of turntable cores, square tiles, bushing cores, kelly cores, etc.

Parameter table of the main filling of the turntable