Oil and Gas API 7K Roller Kelly Bushing/Square Drive Roller Kelly Bushings in oil drilling equipment

 Oil and Gas API 7K Roller Kelly Bushing/Square Drive Roller Kelly Bushings in oil drilling equipment 

Roller Kelly Bushings are used for 171/2-491/2inch rotary tables. They are designed and manufactured

according to API Space 7k.

The Pin Drive Roller Kelly Bushing porvides the following advantages:

Pulling out or feeding off string can be done while rotating;

Because of its intergral construction, it can not fly out and hurt you.

The bushing is easily installed into the master bushing, maintaining good alignment;

The contact between Kelly and roller is rolling contact, so friction is lower, and weight on bit is accurate.

1. Roller kelly bushing is a necessary tool for drilling, by matching with rotary square to drive kelly pipe.

2. Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to extend service life.

3. Change different rollers to match with different squares and hexagona l kelly pipes and connect with different rotary tables.

4.Two transmission styles (square and pinconnect) are available.

5.It is designed and manufactured according to API Spec 7K “Specification For Drilling Equipment”

Pre-Sales Service                         After-Sales Service

* Transaction Level Five Stars           * Supplier Service Service Five Stars
* Response Rate 86.5%                      * On-time Shipment Five Stars
* Response Time<12h                         * Product Quality Five Stars                       

Packaging                         

Packaging Details:Bundling and container packaging, we will put moisture-proof and rust-proof materials in the container to resist the harsh environment during transportation.

Q1,Could you do OEM Service?
A: Some items accept this service, pls contact us for details.

Q2: What's your Delivery Time?
A: In generally , the delivery time is about 3-7 days for sample order. We will make the delivery asap with the guaranteed quality.

Q3:What's the convenient way to pay?
A: Trade Assurance, L/C,T/T,Western Union and Escrow are accepted , and if you have a better idea, please feel free to share with us.

Q4:Which mode of transport would be better?
A: In general , we advice to make delivery by sea for large order, and for small order,Courier,By Air both ok,Also we respect your views of other transportation as well.