spiral drill

Collars Collars The cut is added to a collar to prevent the likelihood of differential wall-sticking by r...

...pipe can be divided into single-wall hollow pipe and double-wall pipe.When the former is ed to a predetermined depth, the concrete...

...deep, continuous helical () groove machined along the entire shaft, which enables rapid removal of debris (cuttings) while maintaini...

...und the collar to balance pressure preventing pressure block, so effectively avoid bit sticking from differential pressure. collar can...

... Collar Collar Non Magnetic Collar For Oil Rig ing Advantages Since all magnetic measuring instruments...

Spiral Drill Rod/Auger Drill Pipe For Water Drilling And Gas Coal Mine Exploring Product description The quick-connect spiral drill rod is connected e...

... Rod with Square or Hex Connection For Geological Craft: prestressed wire winding and welding on the basis of merits from Germ...

... chemical composition and achieved its mechanical properties by forging. When the magnetic field strength is 1 × 105 / 4π A / m, the relative perme...

The surface finish of slick drill collar shall be hot-rolled and mill –finished. Spiral drill collar is to do slot turning outside the surface. Spiral...

... used for holes item value Customized support OEM, ODM, OBM Place of Origin China Shandong Brand Name yingba Model Number Mate...

... to pipe and centralize the bit. According to API Spec7-1 specifications, the material quality is 4145H that’s after heat treatment, th...

... rubber hose High pressure Hose CONSTRUCTION: It is composed of an inner rubber protection layer, middle rubber layer, steel wire ...

... DC Collar For Oil Well ing collars are extra-heavy integral tools used to concentrate weight onto the bit so as to pr...

... and generates a pressure drop between the motor inlet and outlet. The pressure drop drives the motor rotor to rotate, and transmits torque and spe...

Non Magnetic Collar Alloy Steel Rig Tools For Oil ing 1,Introduction Magnetic collars are made of low carbon high chromi...

73mm Outer Dianeter Of Joint Steel Reverse Circulation Double Wall Drill Pipes Product Description 1. Name: Double wall drill pipe 2. Size: DP89/40-DP...

OEM Custom Bit Garden Earth Auger Screw Flower Planting Hole Digger Place of Origin Guangdong, China Size Customized ......