Roller Kelly Bushings for 17 1/2-49 1/2 Inch Rotary Tables

Product Descrption

Roller kelly bushing is one of the necessary tools for oil drilling operation, which is fixed at the big bushing to pass the torque to the down hole drilling tools.

We manufacture Pin Drive Kelly Bushing for onshore & offshore Drilling Operations, available in two sizes Model 27 PDHD, 20 PDHD, suitable for a range of 20½" to 49½" Rotary Table having 23" and 25-3/4" Dia Pin Centre, works as connecting equipment between Rotary Table & Kelly. This unit is used for Heavy Duty Drilling Operation & high torque conditions at the time of Drilling Operations & handle Kelly sizes from 3" to 6" Square or Hexagonal. Suitable up to torque load: 32362 N-m at 300 RPM.

This unit will consist of the following:

• Kelly Bushings with Roller Assembly
• Wrench
• Wiper Assembly
• Wear gauge

Basic Characterstics of Our Roller Kelly Bushing

1. Two transmission styles (square and pinconnect) are available.
2. Pulling out or feeding off string can be done while rotating.
3. It is designed and manufactured according to API Spec 7K “Specification For Drilling Equipment".
4. The bushing is easily installed into the master bushing, maintaining good alignment.
5. Because of its intergral construction, it can not fly out and hurt you.
6. The contact between Kelly and roller is rolling contact, so friction is lower, and weight on bit is accurate.
7. Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to extend service life.

Technical Specifications of Oilfield Roller Kelly Bushing

Xi'an TianRui Petroleum Machinery Equipment Company Limited specializes in producing solid control and drilling well servicing equipments, and is one of the net members applied for supplying the different oil equipments for China National Petroleum Corp.(CNPC) and Sinopec Group.The company manufacture our products by conforming the international standards. Our products are ISO certified. We have been granted the right to use the Official Monogram of API 7K & 8C.

Our products include solid control equipment, cement tools, PDC drilling bits, Wellheading tools, Mud pumps and their acceossries. They are exported to Russia, America, Middle East, South America, Southeast Asia, Central Asia , African, Australia,Europe etc. Our company is willing to cooperate and make common progress with friends at home and abroad with first-class products, first-class service and reasonable prices.

Competitive Advantages

1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Most of our equipment can be replaceable with international brands.
6. Our products have been exported to Argentina, Egypt, US, Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India, Indonesia, Vietnam, Malaysia and many other countries.