Downhole Drilling Tools - API Square Kelly drill pipe and hexagonal kelly

Introduction:

Kelly is on the top of the drill stem.Kelly is main driver of the whole drill string. It transmits drill stem weight and torsional energy from the rotary table through the drill string to the bit at the bottom of the hole. When assembled with down hole motor and Turbodrill tools, Kelly should bare the stem weight and Reverse torque,it will Measure the depth of a well and provide a circulation channel. Kelly consists of a driving part (square or hexagonal), upper joint (LH connection) and lower joint (RH connection).

Kelly is the drive part of whole drill stem, it has two types, square kelly and hexagonal kelly and all of them are manufactured comfort to API Spec7-1 and SY/T6509-2000 criterion.

Our Square& Hexagonal kelly are made from AISI 4145H modified alloy bars that are quenched and tempered full length. After such heat treatment, its brinell hardness can reach 285-341. Kelly's end, drive cross-section and joint are all processed and tested comform to API criterion.

Specifications:

Tiptop was established in the year of 2006, located in the center of China, Xi’an City, which is an ISO certified comprehensive manufacturer & distributor in the field of Oil & Gas upstream, downhole drilling tools, downhole fishing tools, downhole mud motor, and servicing the worldwide drilling companies, EPC contractors and oil companies. With our great diligence & years of experiences, we have built a long term cooperation with clients from North America, Middle East, Europe, Southeast Asia and other areas.

-One stop procurement service at more favorable prices

Being in the field of oilfiled for more than 13 years , Tiptop team can offer customers with whole package requirements in favorable prices , which are supported by Tiptop qualified vendors .

-Strict quality control & Continuous after-sales service

All of Tiptop supplied products are from API certified manufacturers. For each enquiry, from order placement to final delivery, no matter for the whole package or small spare parts, we have internal inspection team to ensure the superior quality, strong packing & timely delivery. Any TPI inspection are available with Tiptop from SGS/BV/TUV/DNV etc..

Besides,Thoughtful and prompt after-sales service will be provided to guarantee customerS' benefits .