large backflow reverse circulation drill pipe

Brand Name:Longway

Model Number:4"

Place of Origin:China

... efficiency, high drilling efficiency, long bit life, and good well quality. Drilling in complex formations is safe and reliable. Continuous sampling (coring) drilling, saving auxiliary time and reducing labor intensity, has been recognized in practice. It

Brand Name:ROSCHEN

Model Number:4 INCH

Place of Origin:Germany

...an outer tube. Reverse circulation drill pipe is a dual wall pipe capable of being pressurised and not losing its pressure between joints. This is done by welding components of the inner tub and outer pipe together but allowing air to pass between them.

Brand Name:MIROC

Model Number:DTH Drill Pipe

Place of Origin:China

...double drill pipe or Dual Wall drill pipe. It consists of two layers of inner and outer drill pipes (called inner pipe and outer pipe). The inner and outer pipes constitute an annular gap, which is a channel for pumping the flushing medium to the bottom of

Brand Name:SOLLROC

Model Number:114mm

Place of Origin:China

... techniques. Used to compile sample rock cuttings, the drilling process relies on hollow inner tubes to transport samples back to the surface in a continuous flow, using compressed air. Reverse circulation (RC) drill pipe is a dual wall pipe used for

Brand Name:Glorytek

Model Number:3m

Place of Origin:China

...designed to facilitate the reverse circulation drilling method, where drilling fluid is pumped down through the inner tube of the rod and returns to the surface through the outer annular space, carrying cuttings with it. RC drill rods are typically made of

Brand Name:SANROCK

Model Number:102*3m Reverse Circulation Drill Rod

Place of Origin:Zhejiang, China

The versatility of our Reverse Circulation Drill Rod makes them widely applicable across various industries, including open-pit mining, underground mining, tunneling, anchoring projects, blast furnace tapping, tunnel construction, hydroelectric projects, ...

Brand Name:JCDRILL

Model Number:All Models

Place of Origin:China (Mainland)

...reverse circulation water well drill pipe RC Drilling rod for air reverse circulation (RC) drilling in mining exploration purpose,O.D. Available: 89mm, 102mm,108mm,114mm (3-1/2", 4", 4-1/4", 4-1/2") Length: 1.5mm, 3.0mm, 6.0mm High pressure air transported into somewhere of the well along with air pip, via mixer to inject the high-pressure air into the pipe...

Brand Name:New Diamond

Model Number:API

Place of Origin:Hunan, China (Mainland)

Description We adopts famous domesticlarge steel enterprises(such as Anshan lron and Steel Group corporation and Hengyang Steel Group) production of material to produce drill pipe, and heat treatment of materials by using an integrated multi-processing ...

Brand Name:SINOVO

Model Number:SD220L

... maximum diameter is 2.5m (rock), the drilling depth is 120 m, and the maximum strength of rock socketed can reach 120MPa, which is widely used in the drilling construction of pile foundations in ports, wharfs, bridges in rivers, lakes and seas with the

Brand Name:JINLUDI

Model Number:GF200C

Place of Origin:China

...reverse circulation engineering drilling rig The reverse circulation drilling technology using sand and gravel pump ( centrifugal pump ) to create negative pressure in the inner cavity of drill pipe to make the liquid j 2 litres in the inner cavity of drill pipe is called pump suction reverse circulation drilling...

Brand Name:RanCheng

Model Number:RCJ500RC

Place of Origin:China

... drilling methods and has a wide range of applications.The feed stroke is large and there is no active drill rod, which reduces the auxiliary time of reducing and adding rods, improves the drilling efficiency, can meet the effective drilling, and has

Brand Name:Super Diamond

Model Number:RE004

Place of Origin:China

... penetration than RAB or air core drilling; it is cheaper than diamond coring and is thus preferred for most mineral exploration work. We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits,

Categories:Reverse Circulation Bits

Country/Region:china

Advantages: R.C.Drilling, referred to as " Centre Sample Recovery" or " Dual Wall Drilling",employs a Dual Wall Pipe where the drilling medium, normally high pressure air,is passed between the outer and inner tubes down to the face of drilling bit where it...

Brand Name:OED/OEM

Model Number:3 inch 4 inch 5 inches 6 inches

Place of Origin:China

Reverse Circulation 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 Hammerblast Hole Drilling And Water Well Drilling Project. Working With DTH Drilling Pipe And DTH Drill Bit, Mainly Applied In Mining, Marble Quarry Or Well Drilling...

Brand Name:Shanghai Rotorcomp

Model Number:ZD338

Place of Origin:GERMAN

The ZD338 rock drilling rig for tunneling is an advanced heavy tunneling equipment for tunnel excavation. It comes with three heavy duty hydraulic drill arms. Two arms can rise to 2 meters high, and the third one can drill holes downward with connected ...

Place of Origin:China

Brand Name:Defy

Model Number:DFC-150

DFC-150 large well caliber truck mounted hydraulic hard rock drilling machine / Truck Mounted Water Well Drilling Machine for Sale / Truck Borehole Drilling Machine / Mobile Drilling Rigs 1. Top Head drive. Convenient and safe to use. 2. Truck is 4X4 ...

Brand Name:tongguan

Model Number:AT-2000

Place of Origin:China

AT-2000 Opencast Raise-boring Machine Raise Boring Rig Reverse Counterboring Main Features: 1. It adopts two-column and two-cylinder structure, which has good overall rigidity, high guiding precision and large bearing capacity. The rig frame is directly ...

Place of Origin:China

Brand Name:Jinquan

Model Number:Threaded & Tapered

DTH RC Drilling Tools: DTH Reverse-Circulation (RC) drilling can be supplied by "Jinquan" where seabed strata is sufficiently strong that standard rotary drilling becomes sub-economic due to slow production rates. The key factor our customers wanted fro...

Brand Name:COMMAND

Model Number:CQF-450

Place of Origin:CHINA

... DRILLING. FULL HYDRAULIC DESIGN, EASY AND FAST LOADING AND UNLOADING OF DRILL PIPE CAN BE INSTALLED ON TRUCKS, TRAILERS AND TRACKS HIGHER FUEL EFFICIENCY AND LESS CONSTRUCTION COST DRILL TOWER length 10M Maximum safe working load 20T Lifting and