BHNK DRILL PIPE Technology CO., LTD. is the R&D and manufacturing base of OCTG. BHNK integrated the business of drill pipe, pipe body and their related quality supervision. The business of drill pipe (including drill pipe, pipe body, internal coating for OCTG, inspection and maintenance of drill pipe) achieves an upstream and downstream chain of product and service. There are over 400 employees, which has 1 bureau-level expert, 49 intermediate-senior professional technical personnel and 5 company level expert assistants.
With strong R & D and production capacity, BHNK can provide drill pipe in accordance with API 5DP and NS-1 standard and other non-standard drill pipe, such as sour service drill pipe(BH95SS,BH105SS),high anti-torque drill pipe (BHDS,BHDH,BHDX double shoulder drill pipe),high strength drill pipe(BH135T,BHV150,BHU165) and special structure drill pipe(BH52,BHUC HDD drill pipe).
The company produces API standard E75 to S135 steel grades, with outer diameters ranging from 23/8″ to 65/8″, high-strength drill rods of various specifications and various non-standard drill rods. The annual production capacity is about 35,000 tons. The company introduced a full set of Japanese NKK production technology and equipment, processed and produced using raw materials imported from Japan, and maintained the product quality and performance of the original NKK manufacturers. Since it was put into production in 1997, it has successively obtained the API certificate issued by the American Petroleum Institute and the ISO9001 quality system certification issued by the China Classification Society Quality Certification Company.
BHNK can also provide drill pipe body ranging from 2 3/8″to 6 5/8″in diameter with the upset type of IU,EU and IEU. Besides, the EU tubing pipe body ranging from 2 3/8″to 4 1 /2″in diameter and the heat treatment service of high grade casing are also within the our supply scope.
The material of internal coating for OCTG comes from TUBOSCOPE and consists of liquid coating (DPC, TK-34, TK-34XT) and powder coating (TK-34P, TK-236, TK-216) with excellent anticorrosion property and waxresistance.
Drill pipe inspection and maintenance service can be applied in the detection of in-service and disuseddrill pipe and in the well site detection and supervision according to API, NS-2, DS-1 or the requirements of customer.
All of main products are authenticated by the ISO9001 and NS-1 authentication. Drill pipe and pipe body have obtained API certification authorized by American Petroleum Institute.
Its annual capacity of 36000 tons and the products are extensively used in major oilfields in China and more than ten countries and regions in Asia, Africa, Europe and American etc.
BHNK will always be market-oriented, efficiency focus and customer first, pursuit value, return sincerity to customer and aim to build “Domestic leading, International first-class” R&D, manufacturing and service base of OCTG.
With high quality products and considerate service, we will work together with you to enhance your business and improve the efficiency. Please don't hesitate to contact us to get more details of OCTG Drill Pipe.