kelly

Product Description

We are a wellknown trademark enterprise, estabilished in ***3. It has been certified to ISO, API, and HSE management system. Clients include Weatherford, Schlumberger, Halliburton, Bowen, Smith, National Oilwell Varco,Boredrill, and etc.

Straightness of the kelly is very crucial in the manufacturing process, thus straightness inspections are carried out before, during and after each machining operation. The flats are precision-milled to API specifications. All milling processes are performed on specially designed rigid Kelly mills to ensure tight tolerances and high quality drive sections. Each TIAnHE Kelly is furnished with a pressed steel thread protectors.

Manufactured from AISI ***5H-modified, fully heat-treated alloy steel with a Brinell hardness range of ******1BHn and a minimum average Charpy impact value of *0 ft-lbs;

Ends and drive sections, IDs and connections machined and inspected to API specifications;

Ultrasonic inspection is performed on all sections;

Shipped in a protective steel-cased scabbard;