coal mining concentric drilling system

Brand Name:MING

Model Number:MRE190-DHD360

Place of Origin:CHINA

...Concentric Casing Drilling System For Coal Mining Matched hammer: Hammer DHD360 Matched casing pipe OD: 190mm MRE Concentric under reaming drilling system MRE Concentric Casinging Drilling System is designed for unstable ground conditions. In the process of drilling, it could carry down the casing pipe to the hole to protect wall to achieve drilling...

Brand Name:Aoxing

Model Number:Nmlc Hmlc

Place of Origin:Hebei,China

...Drilling Impregnated Diamond Core Drill Bit/Coal Mine Drill Bit Product Description: With bottom discharge diamond core bits, which is suitable for triple tube core barrels, to improve the flushing fluid's erosion against the core during drilling. The main crown technical parameters of impregnated diamond core bits include diamond grade,size,concentration...

Brand Name:JINZHOU SHITAN

Place of Origin:China

In Stock Rock Drill Rods with Competitive Price Product Description HDD drill pipe is a tool applicable for transferring torque and tension of drillers in the process of directional drilling construction. Due to the fact that it has to bear torsion, ...

Brand Name:Rixin

Model Number:RX-11,RX-15,RX650,RX20

Place of Origin:China

... bits, 2, good wear resistance and high strength are suitable for mining drilling 3. Hip sintering ensure good compactness and high toughness for the products 4. hemishperical top,protect the button from being destroyed by stress concentration advantage of

Brand Name:DAWN TOOLS

Model Number:D24

Place of Origin:CHINA

High Drilling Rate HDD Drill Rod Good Flushing Effect For Coal Mining Specifications: To guarantee premium quality product, all products material is sourced from Shanghai Baosteel specially developed hot rolling high strength alloy structure tube for oil...

Brand Name:KonDaSin

Model Number:Core barrel

Place of Origin:China

Piling Equipment Tools Rock Core Barrel Bore Pile Tools High Quality Alloy The most important advantage of a core barrel is that it assists to concentrate the torque and crowd force on a small ring of cutting teeth.Core Barrels are used when conventional ...

Brand Name:HENGFENG

Model Number:PAM Emulsion

Place of Origin:JIANGSU,CHINA

...(APAM emulsion) is a special form of polyacrylamide. APAM emulsion could be used in concentrated drilling fluids, tertiary oil recovery, ceramic making, papermaking, and the treatment of mineral processing wastewater, dyeing and coal washing. Due to its

Place of Origin:China

Brand Name:China Coal

... cylinder double actingreciprocating piston pump, mainly with the coal roadway drilling machine supporting the use of, or other conveyance system. 2NB mud pump flushing liquid can be water or mud, coal mine water, thesediment concentration is less than 4

Brand Name:Yaheng

Model Number:NWG Barrel

Place of Origin:China

... tube body 3. consistent concentricity, straightness 4. tapered threads Core barrel introdution: Used in loose, broken stratigraphic or coal extraction and protect rock (mine) heart of drilling tools. Double core tube and tube has outer pipe, rinses...