reverse circulation drill pipe

...an outer tube. is a dual wall capable of being pressurised and not losing its pressure between joints. This is ...

... joints, heavy-duty seamless and high tensile and wear-resistant inner s. With our years of experience in designing and manufa...

...double or Dual Wall . It consists of two layers of inner and outer s (called inner and outer ). The inner a...

... techniques. Used to compile sample rock cuttings, the process relies on hollow inner tubes to transport samples back to the surface in a ...

...designed to facilitate the method, where fluid is pumped down through the inner tube of the rod and returns t...

... water well RC rod for air (RC) in mining exploration purpose,O.D. Available: 8...

Description We adopts famous domesticlarge steel enterprises(such as Anshan lron and Steel Group corporation and Hengyang Steel Group) production of m...

... and production technology from the Giant Research Institute. Rock dust can be effectively collected through a dust collector, avoiding en...

... engineering rig The technology using sand and gravel pump ( centrifugal pump ) to create ...

... penetration than RAB or air core ; it is cheaper than diamond coring and is thus preferred for most mineral exploration work. We are a lea...

... Rig// Hard Rock Mining Rig Machine Introduction Our RCJ500RC hydraulic RC DTH blasthole rig ...

Rig is a new multi-purpose, high-efficiency, environmental protection, multi-track-type rig. ...

... Rig The picture of Rig What is the technical parameter of our...

... Geotechnical Machinery. GK-200 core GK-200 ing rig is developed to synthesize the advantages of various ing rigs. The new kind of ...

..., referred to as " Centre Sample Recovery" or " Dual Wall ",employs a Dual Wall where the medium, normally high press...

Bit DTH Button Bit DTH Tools for H-RC4 MIC5 HPR5 DTH Hammers And Button Bits DTH Hammers Are Used For High Air Pressure Mining Dth...

... rig DFC-200 1.Rotary rig, truck chassis on basis of CHANA TRUCK, it is including the main transmit, transmiss...

Product name: 115mm HRC Bits For Mining Rock Water Well Product category: DTH tools Diameter: 115 mm KINGDRIL...

..., high-way and building construction, blast-hole etc. 3. With hydraulic feeding device, and high efficiency. 4. Close levers, con...