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Keyword [drill]
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21. The Study Of Drilling Plan Based On The Reservoir Characteristics In Shengping Oilfield
22. Experimental And Drill Bit Flow Field Analyze Of Run-through DTH Reverse Circulation Drilling Technique
23. Dynamic Simulation Of Contact Between Drill Stem And Casing-Pipe Wall
24. The Mechanical Analysis Of Nonrotating Drill Pipe Casing Protector Used In The Oil Wells
25. The Post-buckling Analysis Of The Drill String In Vertical Well
26. The Research Of Portable And Quick Vibration Impact Sampling Equipment And Drilling Technology
27. The Study Of Transfer Of Power Used In Roll Drilling In Deep Well
28. Study And Simulation Analysis On A New Type Of DTH Hammer
29. Research On Constructing Way Of 3D Stratum Model Based On Drill Data
30. Finite Element Analysis And Research On Optimum Design Of Drilling Tower Joints Of JYD-1000 All-hydraulic Core Drill
31. Mud System Research Of Gas Hydrate Drilling In Plateau Permafrost
32. The Study Of Data Mart For Drill Data Analyses And Three-dimension Visual Modeling
33. Research On The Charge/Discharge Manipulator Of Friction Welding Geological Drill Stem
34. Buckling Of Drill-strings With Connectors In Inclined Well-bores
35. Signal Detection Of The Drill Bit Seismic Wave While Drilling
36. Geochemical Characteristics And Genetic Mechanism Of Gneiss In The Depth Interval 3000-3500m From The Main Drill Hole Of Chinese Continental Scientific Drilling Project
37. Modal Analysis Of Drill Stem Vibration
38. Research On Drill-Bit Signals Extracting Methods Of Seismic While Drilling
39. The Research Of A New Portable Shallow Hole Sampling Drill Rig
40. Research On Load Self-adapting Of Rotating System In Measuring Drill
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