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1. Study On Vibration Characteristic Of Bottom Drilling String And Design Of Drilling String Shock Absorption & Down Hole Hydraulic Pressurizing System
2. Study And Manufacture Of Large Display Pneumatic Torque Wrench
3. Low Density Solid Control Of Liaohe Oilfield Drilling Fluid
4. Study On The Mechanism And Application Of Speed Increase In Torsional Impact Drilling
5. Study On Simulation Of Rock Breaking Under Drilling Resonance
6. Research On Drilling Speed-up Technology Of Horizontal Wells In Chepaizi Well Area
7. Study On Permian And Carboniferous Rock Mechanics Experiments And Speed-up Scheme In Mahu-Zhongguai Area
8. Research On Matching Technology Of Drilling Speed Increase In FangZheng Area
9. Evaluation And Optimization Of Drilling Effect In Ma 18 Well Area Of Mahu Depression In Xinjiang Oilfield
10. Research On Drilling Speed Increase Of X Oilfield Block In Bohai Sea
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