73mm outer dianeter double wall drill pipe

Brand Name:Longway

Model Number:2 7/8”

Place of Origin:China

73mm diameter R780 double-wall drill pipe 1000mm for reverse circulation drilling Product Description 1. Steel grade: E75 R780 G105 S135 2. Specification: 42-140mm 3. Thread: For Vermeer, Ditch witch, Drillto We can manufacture all kinds of drill rod as per customer's requirments. Double wall drill pipe Type O.D.of the outer tube (mm) I.D.of the inner tube (mm) Outer dianeter...

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: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:SOLLROC

Model Number:4''

Place of Origin:China

...Wall Drill Rod With 4'' Remet Thread For RC Drilling Product Introduce: Reverse Circulation RC Drilling Rods is also called Double wall drill pipe, 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...

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:HuiChi (HC)

Model Number:HZB Series

Place of Origin:China

...drill pipe outer wall scraper produced and sold by our company Huichi petro mainly adopts a slideway straightening scraper to make the scraper slide along the slideway. Under the action of the double-acting cylinder and the spring, the scraper is tightly attached to the annular outer wall of the drill pipe lifted up from the well. The scraper scrapes off the drilling fluid on the outer wall of the drill pipe...

Brand Name:FORUS

Model Number:2"

Place of Origin:China

...centralize the mud scraper, so that the mud scraper slides along the slide way. Under the action of the double-acting cylinder and the spring, the mud scraper is tightly attached to the annular outer wall of the drill pipe lifted upward from the well. The

Brand Name:TOBO

Model Number:API

Place of Origin:China

...Drill Pipe Description: Drill pipe 3 1/2" outer diameter, G105, 15.5 LB/FT, 2 Range, NC38 Thread, API Spec SD-7 Product Name API/Carbon steel pipe/ Drill Pipe Pipe Length Single Random Length and double Random Length. SRL:3M-5.8M DRL:10-11.8M or As clients requested length Size Size 1/4” to 24” Outside Diameter 13.7 mm to 609.6 mm Wall...

Place of Origin:Shandong,China

Brand Name:Juyiheng

AISI ASTM A269 310S 304L 904L Seamless Steel Tube Round Product Specifications Type Seamless carbon steel pipe Materials API 5L /A53 /A106 GRADE B and other material which client inquired Size Outer Diameter Seamless:17-914mm 3/8"-36" Wall ...

Brand Name:JCDRILL

Model Number:JRC200

Place of Origin:China (Mainland)

...Drilling Rig Machine The reverse circulation drilling or RC drilling is a drilling method that uses a double-walled drill pipe, which consists of an outer drill pipe and an inner pipe. These hollow inner tubes allow cuttings to flow continuously and steadily back to the ground. Specification 1 Geology drilled 　 All kinds 2 Drilling Type 　 RC&DTH 3 Drill...

Place of Origin:China

Brand Name:ZNGL

ZHONGNENGGANGLIAN Type Seamless carbon steel pipe Materials API 5L /A53 /A106 GRADE B and other material which client inquired Size Outer Diameter Seamless:17-914mm 3/8"-36" Wall Thickness SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80 SCH100 SCH120 SCH140 ...

Brand Name:Yaheng

Model Number:NWG Barrel

Place of Origin:China

...Double Core Barrel Q Series Head Assembly And Overshot Assembly Specifications: 1. high quality alloy tube 2. thru-wall heat treated 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...