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- W2358588642 abstract "A lot of surface water will be consumed in the course of drilling when adopting traditional drilling technology,and the trouble of water shortage often occurs when drilling in droughty area.A new technology of water-saving drilling and its working principle be introduced,the results of tests indicate that drilling with the new water-saving technology can save a great deal of water and improve drilling efficiency.Also the structure and working principle of a new type steel ball percussion tools used for rotary percussion drilling in soft-middle hard formations be introduced based on the new water-saving drilling technology,tests on the new type steel ball percussion tools get the results that penetration rate be enhanced by big percentages and drilling cost be cut." @default.
- W2358588642 created "2016-06-24" @default.
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- W2358588642 date "2006-01-01" @default.
- W2358588642 modified "2023-09-25" @default.
- W2358588642 title "STUDY ON NEW TECHNOLOGY OF WATER-SAVING DRILLING AND STEEL BALL PERCUSSION TOOLS" @default.
- W2358588642 hasPublicationYear "2006" @default.
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