Profil public crossingbit

Samedi 30 juin 2018

5 - Wing PDC Bits for Oil / Water / Gas Well *Optimized bit profile,suitable for drilling medium soft to medium homogeneous formations. *Evolute cutter placement,asymmetrical blade design ang balanced bit load so that bit whirl is prevented. *Composite gage protection and low torque...

Samedi 30 juin 2018

Product Description: 215.9mm IADC137 Industrial standard: SY/T5164 Payment terms: T/T,Western Union,and L/C are acceptable Applications: Medium hard with high compressive strength and high abrasiveness, such as limestone, dolomite, sandstone and chert, etc. Note: other size and...

Samedi 30 juin 2018

Product description: 12 1/4" TCI bit Size: 12 1/4" IADC code: 517 Sealed Type: Rubber sealed Thread: 6 5/8"reg pin WOB(KN/mm): 0.7~1.20 RPM(r/min): 70~40 Make up toqure(KN.M): 16.300~21.700 Weight(kgs/pc): 105 Color: Blue, red, green or Customized Packing: Plywood box(free...)

Samedi 30 juin 2018

Hole Openers are used to enlarge the diameter of a pre-drilled hole. They are custom built to specification, and come in a wide variety of sizes. A Hole Opener is sometimes referred to as a Reamer. Roller cone hole openers are specifically designed for horizontal, rock drilling applications...

Samedi 30 juin 2018

PDC cutters different features are selected and bit profile design is optimized to suit different drilling applications in different formations to satisfy different requirements when drilling soft to medium hard formations without sulfureted hydrogen well section. Cutting structure...