ASSEMBLING OF THE BOTTOM SECTION OF THE DRILL STRING
Assembling of the bottom section of drill string for inclined controlled and horizontal drilling has a bit, a face engine, drilling pipes, support-centering elements placed at the engine. The support-centering elements are additionally installed between the bit and the engine and directly between ea...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | Assembling of the bottom section of drill string for inclined controlled and horizontal drilling has a bit, a face engine, drilling pipes, support-centering elements placed at the engine. The support-centering elements are additionally installed between the bit and the engine and directly between each threaded joint. |
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