Type AJ Safety Joint AJ type safety joint is a specialized joint consisting of two parts.The specialized joint takes protective effect for drilling stem in drilling ,repairing and test oil (gas)engineering,etc.It is used to treat well bottom accident and used to be on -the -way test in...

Type Safety Joint The H type safety joint, which is installed on the position required for subsurface drill stem and can bear in fishing operation all kinds of loads for pulling or pressing and used to transmit torque,is a subsurface safety equipment.In down hole operation,in case of...

The reversing sub The reversing sub is also called reversing spear which is a special tool for revering stuck drill stem above stuck point in drilling and work over operation.In treatment of stuck drill stem ,it can work as a fishing pin tap in reversing operation.   When fish...

Oriented Bent Sub Oriented bent sub is a major power deflection tool having a fixed angle a deviated from low end thread of the bent sub to axiaal line of dril stem, the power drill tool under the application of oriented bent sub gives the bit a constant lateral force to ensure that the...

Side Entry Subs.....    TypeMax.ODFishing Dia.IDLengthConnectionPJ118-1-00(Z)118104.8401000NC3 B×PPJ152-1-00152120.740952.6NC38 B×PPJ197-1-00(Z)197159711030NC38 B×P...... ...

Float valve sub  Technical specifications and parameters..TypeSub O.D.(mm)Joint threadValve O.D.(mm)I.D.(mm)FFJT241241.37 5/8 REG12176FFJT228228.67 5/8 REG12176FFJT209209.66 5/8 REG12176FFJT203203.26 5/8 REG12171FFJT178177.84 1/2 IF9871FFJT165165.24 1/2 REG8857FFJT1461464 1/2...

Rubber Blast Joint  TypeODFishing Dia.IDLengthConnectionFBJ156-1156136.561.91070NC38 B×PFBJ197-1197.517869.91070NC50 B×PNote: When ordering or requesting quotation, if size other than above specifications, please specify clearly....... ...

Drill Tool Lifting Sub The drilltool lifting sub is the special tools for lifting of the drilltools in petroleum ,natural gas industry and geologic exploration.The drill tool lifting sub is divided into a or b type structure.The a type has 18 degree shoulder,the b type has 90degree...

Upper and Lower Kelly Valve Kelly Valve also named Kelly Cock/Drill Pipe Safety Valve allowing free passage of drilling fluid without pressure loss. The valve can be used as a dill pipe safety valve or upper kelly valve to control blowout pressures, or as a lower Kelly Valve to prevent...

DD Type Center Latch Elevators; The Elevators are hoisting tools for handling 90°shoulder drill pipe, casing, tubing and drill collar in oil and gas field. The Elevators are designed and manufactured according to API Spec 8A-Specification for Drilling and Production Hoisting...