We offer square and hexagonal Kellys.Kellys are available up to 14m long.Our Kellys are made from AISI 4145H modified alloy bars that are quenched and tempered full length.A hardness range of 285to 341 BHN and a minimum impact value of 54Joules as per...
drill collar, drill pipe, stabilizer, drill stem subs, kelly...
Drilling stabilizer is an important tool to control hole deviation in petroleum and gas exploration drilling process. The types can be divided into drill string type and near bit type. When equipped high rigidity drill collar and bigger drill pressure...
oilfield tools, drilling tools, fishing tools, milling tools...
Shenlongs Integral spiral blade stabilizers are from AISI4145H forging steel. The physical properties are guaranteed one inch below the surface at room temperature.The threads are systematically cold rolled to improve fatigue resistance of the...
Drill Collar, Heavy Weight Drill Pipe...
Shenlong manufactures all the four types of subs e.g. straight OD type A or reduced section type B or swivel sub type C or lift sub type D as per API Spec 7.These would be with box and pin connections or with box or pin connection on both sides.Class of...
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