API Trenchless DP89/40 Size Double Wall Drill Pipe 114.3mm O.D.
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... double-tube drill pipe for reverse air circulation drilling in open-pit mining. The length can be set according to customer requirements, such as 1m, 1.5m, 2.0m, 3.0m, 4.5m, 6m, etc. Diameter: 102mm, 108mm, 114mm, etc. Double wall drill pipe Type O.D...
Langfang Baiwei Drill Co., Ltd.
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High Strength Water Well Drill Pipe With Thru Wall Heat Treated Tube Body
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High Strength Water Well 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......
Henan Wein Industry Co., Ltd.
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Double Wall Drill Pipes Reverse Circulation Drill Pipe For Re542 Re543 Re545 Re547 RC Reverse Circulation DTH Hammer
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...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...
KSQ Technologies (Beijing) Co. Ltd
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127mm Reverse Circulation Drill Rod , Double Wall Drill Pipe For Rc Drilling
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...). 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...
Glorytek Industry (Beijing) Co., Ltd.
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Dia 1880mm High Strength Double Wall Casing With Forged Joint
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High Strength Double Wall Casing With Forged Joint For Bored Piling Foundation Application: 1. Casing is used to minimize loosening of the soil structure around the pile during the drilling process.The use of casing is compulsory ,if even with a supporting suspension,the ground to be drilled is unstable ,and collaps of the bore hole wall must be expected. 2. Casing tubes must run ahead of the drilling......
Hebei Tuff Heavy Industry Co., Ltd.
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API Standard 2 3/8 Inch Double Wall Drill Pipe
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... 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....
TIANJIN COMMAND MACHINERY MANUFACTURING CO.,LTD
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API Standard 2 3/8 Inch Double Wall Drill Pipe High Torsion Resistance
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... 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....
TIANJIN COMMAND MACHINERY MANUFACTURING CO.,LTD
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High Capacity Double Wall Corrugated Pipe Making Machine for Pipe Od 40.50.63.75.90.110.160mm 120-200kg/h
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...Double Wall Corrugated Pipe Making Machine is a versatile and efficient solution for producing high-quality double wall corrugated pipes. With a pipe OD ranging from 40mm to 160mm, this machine offers flexibility and precision in pipe manufacturing. One of the key features of this machine is its pipe......
QINGDAO CUISHI PLASTIC MACHINERY CO.,LTD
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Pneumatically Driven Reverse Circulation Hammer RE542 RC Hammer Flush Threaded Double Wall Drill Pipe
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...Double Wall Drill Pipe Reverse Circulation Hammer Introduction Reverse Circulation RC drilling uses flush-threaded double-wall drill pipe and high-pressure air to provide continuous return of formation and water samples. Cuttings and formation waters are not contaminated with drilling......
ROSCHEN GROUP
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High Strength Double Wall Casing Oscillator / Coupling For Drill Rig Machine
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...rotation motor, 5. casing twister, 6. casing drive, 7. single(double) walled casing 8. drilling bits. Casing oscillator owns such merits as strong adaptability to geology, high quality of completed pile, low noise, no mud contamination, slight influence to...
Unique Piling
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