rotary kelly bushing supplier

Distributor and manufacturer of new and rebuilt oilfield drilling equipment & supplies including mud pumps and parts. Drilling equipment includes swivels, mud pumps, rotary table & draw works. Drilling supplies include tongs, roller chains, valves, drive bushings & rotary heads. Mud pump supplies include duplex & triplex liners & piston & pony rods. Pump parts include crossheads, slides & cranks. Catheads, washpipes, bearings, union pipes, pump heads, pipe nipples, crankshafts, roller chain sprockets & chain & pump drives are available. Capabilities include contractors" equipment repairing services. Drilling equipment & supplies are used in oilrigs.

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The Kelly Drive Bushing acts as an adapter that serves to connect the rotary table to the Kelly. The Kelly bushing has an inside diameter profile that matches that of the Kelly, usually square or hexagonal. It is connected to the rotary table by four large steel pins that fit into mating holes in the rotary table. The rotary motion from the rotary table is transmitted to the bushing through the pins, and then to the kelly itself through the square or hexagonal flat surfaces between the Kelly and the Kelly drive bushing. The Kelly then turns the entire drillstring because it is screwed into the top of the drillstring itself.

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Roller Kelly Bushings are designed and manufactured as per API Spec 7K "Drilling and Well Servicing Equipment" for driving Kelly in the drilling operation.

Roller kelly bushings are constructed in upper body half, low body half, rollers, rollers pin and etc., can be available in square drive or pin drive. Square drive roller kelly bushing designed with taper contact surface in low body half, while pin drive roller kelly bushing designed with pin to be installed in low body half.

According to torque of drilling, roller kelly bushing can be available in heavy duty, medium duty and light duty, heavy duty bushings are for high torque and high speed drilling operations while medium duty and light duty are for medium or shadow depth drilling operations.

Roller kelly bushings can accommodate square Kelly or hex Kelly, for square Kelly, the bushing is designed with four flat rollers, and for hex Kelly, the bushing is designed with two V-shaped rollers and two flat rollers. By changing roller size, roller kelly bushing can accommodate square Kelly from 2½" to 5¼" or hex Kelly from 3" to 6", and can be installed in rotary table range from 17½" to 37½".

Kelly Bushing is an essential petroleum drilling tool, and can be equipped with rotary slips, so as to drive Kelly bar. It reduces its friction with kelly bar by the rolling of four rollers in order to prolong its life. Designed to perfection, it is sourced from the trusted vendors who manufacture this by using quality material. Highly acclaimed and demanded by our customers, this Kelly Bushingis offered at very economic price.

The NOV CUL & CB Casing Bushings are inserted directly into the rotary table and insure that the casing being run is perfectly aligned with the center of the hole. Model CU is a solid bushing and model CB is a split bushing. All of the bushings accept bowls of different sizes to accommodate a wide range of casing. Using CMS-XL or CP-S slips, since these bushings fit into the rotary table, the casing string can be easily rotated during cementing operations.

The roller kelly bushing is formed by cutting and forging hexagon bar. These bushings with different thread types are also available. The material is high-quality alloy steel with heat treatment. And there are two types, pin drive and square drive. As a threaded fitting, the roller kelly bushing is used to connect pipelines with different bores. This tool plays an irreplaceable role in the pipeline connection. In China, bushings are usually known as hexagonal nipples with inside and outside threaded.

When a different caliber is needed in the water pipe, for example, the caliber of DN15 water pipe is changed to DN20, roller kelly bushing is a must. The threaded outside of DN15 water pipe is connected to the threaded inside of bushing; the threaded inside of DN20 is joint with threaded outside of bushing. However, if DN20 water pipe is with a threaded outside, we can use a short connector with a threaded inside between DN20 pipe and bushing. Threaded connection is very convenient for any water instrument and valve. Therefore, the application of the roller kelly bushing to change calibers is very common both in industry and life.

As a professional China roller kelly bushing manufacturer and supplier, Jiangsu Kayson Petrol- Machinery Co., Ltd possesses strong technical force, excellent production equipments and complete test facilities. After several years of research and innovation, we"ve now formed many product series like: bushings, bottleneck elevator, manual tongs, spiders, slips, inserts and bit breakers.

Kelly Bushing, also known as Drive Bushing, is a drilling device that is used to connect a Kelly with a rotary table. This tool is used to fit inside the head where the Kelly fits. The Kelly driver is used to rotate the Kelly. This tool also works along with other drilling tools.

JOT manufacture Pin Drive Kelly Bushing for onshore & offshore Drilling Operations, suitable for a range of 20½” to 49½” Rotary Table, works as connecting equipment between Rotary Table & Kelly.

According to the drive method, this range of roller kelly bushing is classified into square drive and pin drive types. Based on the capacity, the product is divided into heavy duty, medium duty and light duty types.

These roller kelly bushings are applicable for rotary tables with diameter between 171/2 and 491/2 inches. They are designed and manufactured in accordance with API Spec 7K specifications for drilling and well servicing equipment.

P/F PIN DRIVE ROLLER KELLY BUSHING INTERCHANGEABLE WITH TYPE 27HDP HEAVY DUTY FOR 3 1/2", 5", 5 1/4", 6" HEXAGONAL KELLY REF : ALL MANUFACTURERS AS 27 HDP TYPE WITH API 7K MONOGRAM ROLLER ASSY. COMPLETE FOR 5-1/4" HEX

The roller Kelly bushings designed to match with API master bushing for driving the Kelly Suitable for hex type Kelly and Square type Kelly The drive section designed in pin type and square shoulder, strictly match API rotary table The rollers specially heat-treated for extending Kelly"s service time, replaced easily ​Conforming to API Spec 7K