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Page Views: 543 Date Added: 02/13/2009 Last Updated: 02/13/2009 Expiry Date: 02/09/2028 Product/Service Details Drill collar is one of the most important part of whole drilling string elements. Its performance affects the efficiency of drilling in a great degree. Shenlong’s mission is to provide customers with high quality products with competitive price and good performance. Quality is of paramount improtance at Shenlong. Strict quality controls are performed to ensure the highest level quality and customer requirements during each processing stage. Visual dimensional checks as well as ultrosonic inspection and magnetic particle inspection are performed to guarantee the quality. Speciman have been taken from each bar after hear treatment for tensile, impact and hardness test. We assure that the mechanical properties of our products comply with or exceed API requirements. All connections are made according to API SPEC 7-1 and are phosphate-coated to improve resistance to corrosion. API Stress Relief Pin and Boreback Box are available according to clients' requirements. We provide steel thread protector for free. Drill collar product and process traceability is maitained from raw material to comptetion of manufacturing. Product serial number is die-stamped on drill collar for traceability. In order to improve handling efficiency, We offer Slip Recess and Elevator Recess. Additional photos Drill Collar Plain End Non-Magnetic Drill Collar Drill Pipe Heavy Weight Drill Pipe Non-Magnetic Stabilizer Forging Square Kelly Hexagonal Kelly Integral Spiral Blade Stabilizer

Company Information (Henan Shenlong Petroleum Drilling Tools Co.,Ltd)

Company Profile: Henan Shenlong Petroleum Drilling Tools Co.,Ltd is one of the most professional manufacturers of downhole drilling tools with API certificate in mailand China. Our product range covers drill collar, heavy weight drill pipe, stabilizer, kelly, non-magnetic produts and drill stem subs. We can also provide plain end drill collar bar and stabilizer forging upon customer requirement. Qualified and efficient employees, advanced and relatively integrated facilities and strict inspection procedure with latest testing equipments, all of these combine to gurantee high quality product and on-time delivery. Our products have been used and widely recognized by both Chinese and overseas oilfields and we enjoy the reputation of trustworthy manufacturer of high quality oilfield drilling tools. We are totally committed to high quality product and customer satisfaction.. >> More Website URL: http://www.bridgat.com/u2789