dual wall drill pipes

Brand Name:Longway

Place of Origin:China

Model Number:4.5"

Product Description: Double Wall Drill Pipe is a reverse circulation piping system designed for heavy drilling operations. It is a double-walled piping system that features a wall thickness of 8.56mm and uses the REMET and METKZE thread types. The tool ...

Brand Name:ROSCHEN

Model Number:3 1/2", 4", 4 1/2", 5"

Place of Origin:CHINA

... 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 the hole when hydraulic rock drilling and

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

Categories:DTH Drill Bits

Country/Region:china

...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 is returned up the centre tube along with the sample cut by the drill...

Brand Name:GLORYTEK

Model Number:127mm

Place of Origin:China

...). An annular gap is formed between the inner and outer pipes, which is a channel for pumping flushing medium to the bottom of the hole during hydraulic rock drilling and central sampling drilling. The central hole of the inner pipe is fixed as a whole to

Brand Name:COMMAND

Model Number:DRILL TOOLS

Place of Origin:TIANJIN ,CHINA

... as various impactors and hammer bit API standard, with high torsion resistance drill pipe, mainly used in the construction of water wells, deep wells, horizontal wells and large displacement wells in the process of oil and gas exploration and development.

Brand Name:COMMAND

Model Number:DRILL TOOLS

Place of Origin:TIANJIN ,CHINA

... as various impactors and hammer bit API standard, with high torsion resistance drill pipe, mainly used in the construction of water wells, deep wells, horizontal wells and large displacement wells in the process of oil and gas exploration and development.

Model Number:Flat type, dual type & dual split type

Place of Origin:China

... mud and debris from the pipe to provide safer handling of the pipe and a cleaner and a safe rig floor. The drill pipe wipers manufactured by us are made of a long lasting, durable rubber compound that is resistant to mud, water and oil based drilling mud.

Brand Name:Unique

Model Number:UCRB

Place of Origin:Hunan, China

... concrete from soil contamination water filtering and to avoid any possible concrete quality corruption. Tremie pipes are made of quality drawn steel plates in order to guarantee high resistance elements.Pipes section can be connected by two kinds of

Brand Name:HAIYANG

Model Number:HM02009

Place of Origin:China

Double Wall Corrugated Pipe 300 Steel Belt Reinforced Corrugated HDPE Pipe National Standard Sewage Pipes ---------------------------------------- Basic Info. HDPE double-wall corrugated pipe can be transported by various vehicles. During transportation, ...

Brand Name:Xinkunda

Model Number:Customizable according to requirements

Place of Origin:Chengdu, Sichuan, China

...Pipes : Long-Lasting Solution For Industrial Wastewater Discharge​ Product Specifications Density 0.9 g/cm3 Color white/gray/beige/cyan/blue Wall Thickness 3-5.5mm Length 3 meters/piece UV Resistance Good Material PP (Polypropylene) Surface Finish Smooth Weather Resistance Good Temperature Resistance Up to 120°C Electrical Insulation High Product Description PP pipes...

Brand Name:Wings Plastic

Model Number:SJ65/30

Place of Origin:Qingdao China

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Brand Name:SOLLROC

Model Number:Reverse Circulation Rods RC Drill Pipe

Place of Origin:China

...) comprises an outer and inner pipe with a sealing system (usually O Rings) to keep the drill string pressurized. Air is blown between the walls of the inner and outer pipes down to the hammer while the air forces the cuttings back up through the centre of

Brand Name:HuiChi (HC)

Model Number:HWDP Series

Place of Origin:China

... is a special transition drill pipe specially designed for oilfield drilling operations. It is an intermediate drilling tool between drill collars and ordinary drill pipes. It provides extra weight through thickened pipe body and special structural design,

Brand Name:Hongbao

Model Number:HBOWD-1

Place of Origin:China

... specifically designed for challenging geothermal well drilling applications. Manufactured as seamless round tubing with enhanced wall thickness, it delivers exceptional torsional strength and pressure integrity in high-temperature geothermal environments.

Brand Name:YCM

Model Number:K018

Place of Origin:Fujian, China

...pipe set, 35cm straight pipe for flushing, 35cm straight pipe for sewage discharge Size 30.5 * 11.3 / 13.8 * 8.5 / 9 cm Length 350mm 35cm pipe set 700g Flush straight pipe 35cm 110g Sewage straight pipe 35cm 450g Product display Functional Highlights: 350mm white PP pipe is specially designed for the concealed wall...

Brand Name:MTH

Model Number:114mm diameter

Place of Origin:CHINA

...Wall Tickness DTH Drill Pipe 114mm Diameter Carbon Steel Product description: DTH drill pipes play a significant role in all DTH drilling, regardless type of rock, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability. According to different application, different diameters of drill tubes are needed, basically, smaller DTH hammers need smaller DTH drill...

Brand Name:NO

Model Number:Φ50 Φ60 Φ73 Φ83 Φ89 Φ102 Φ114 Φ127 Φ140 Φ168

Place of Origin:CHINA

...Drill Pipe With Thru Wall Heat Treated Tube Body Each of drill pipe is treated by shot peening. After shot peening treatment, surface of drill pipe and thread gets residual pressure stress. This stress can improve drill pipe anti-fatigue service life. Shot peening treatment on thread can help thread compound adhering to thread. Thread service life is improved. HDD drill pipe...

Place of Origin:China

Brand Name:Super Diamond

Heavy Duty DTH Drill Pipe For Hard Rock Drilling Equipment Alloy Steel Material Product specifications: DTH drill pipes specifications Outer diameter Thread Wall thickness mm Length mm mm inch 76 3 API 2 3/8 REG API 2 7/8 REG API 3 1/2 REG API 4 1/2 REG ...

Place of Origin:China

Brand Name:SHUGUANG

...wall pipe. There is extra long EU tool joints on the two ends and long EU in the middle part, with the function of drill collar and drill pipe. Since the transition from the drill collar to the drill pipe section drastic changes , bending stress concentrates on the drill pipes. Therefore HWDP between drill collar and drill pipe...