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Keyword [reverse circulation bit]
Result: 1 - 7 | Page: 1 of 1
1.
Simulation And Experimental Study On Down-the-Hole Drilling Fluid Field Of The Hollow DTH Hammer Reverse Circulation Coring And Sampling Technology
2.
Researches On The Key Technologies Of Hollow-Through DTH Used In Gas Drilling
3.
Research On Reverse Circulation Mechanism Of Hollow-through DTH Hammer And Bit Dtructure Optimization
4.
Study On The Drilling Technique For Detecting Multilayer Cavities
5.
Structure Design Of A Swirl-flow Type Reverse Circulation Bit And Analysis Of Flow Field At Bottom
6.
Study On Optimization And Experiment Of Hollow DTH Hammer Bit Under Complex Conditions
7.
Research On Tooth Arrangement Parameters Of Reverse Circulation Bit With Large Diameter DTH Hammer
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