Apparatus for providing directional control of bore drilling equipment

Apparatus for providing directional control of bore drilling equipment

According to the invention there is provided an apparatus for providing directional control of bore drilling equipment comprising a hydraulic pump (20) having an input shaft (21) for receiving an input torque from a drill pipe (1) and being connected in use to a drilling head; and control arrangemen...

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1. Verfasser: Russell, Michael King
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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creator Russell, Michael King
description According to the invention there is provided an apparatus for providing directional control of bore drilling equipment comprising a hydraulic pump (20) having an input shaft (21) for receiving an input torque from a drill pipe (1) and being connected in use to a drilling head; and control arrangement for varying the rate of fluid flow through the pump. The control arrangement includes a closed loop oil-filled system comprising the hydraulic pump (20) and a main valve (30), wherein oil from the pump is routed through the main valve before returning to a pump input; and an orifice control system (40) which is operable to control the position of the main valve in response to an input signal from a control processor.
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The control arrangement includes a closed loop oil-filled system comprising the hydraulic pump (20) and a main valve (30), wherein oil from the pump is routed through the main valve before returning to a pump input; and an orifice control system (40) which is operable to control the position of the main valve in response to an input signal from a control processor.</description><language>eng</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20180726&amp;DB=EPODOC&amp;CC=AU&amp;NR=2016386308A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20180726&amp;DB=EPODOC&amp;CC=AU&amp;NR=2016386308A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Russell, Michael King</creatorcontrib><title>Apparatus for providing directional control of bore drilling equipment</title><description>According to the invention there is provided an apparatus for providing directional control of bore drilling equipment comprising a hydraulic pump (20) having an input shaft (21) for receiving an input torque from a drill pipe (1) and being connected in use to a drilling head; and control arrangement for varying the rate of fluid flow through the pump. 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The control arrangement includes a closed loop oil-filled system comprising the hydraulic pump (20) and a main valve (30), wherein oil from the pump is routed through the main valve before returning to a pump input; and an orifice control system (40) which is operable to control the position of the main valve in response to an input signal from a control processor.</abstract><oa>free_for_read</oa></addata></record>
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
title Apparatus for providing directional control of bore drilling equipment
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