Torque resistent whipstock

Torque resistent whipstock

A retrievable whipstock is connected to a packer below the whipstock. The whipstock comprises an upper housing (32) attached to the deflecting portion (30) and a lower housing (34) attached to the packer. Housings (32,34) are prevented from rotating with respect to each other by engagement of profil...

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1. Verfasser: WHITE, PAT M
Format: Patent
Sprache:eng ; fre ; ger
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 WHITE, PAT M
description A retrievable whipstock is connected to a packer below the whipstock. The whipstock comprises an upper housing (32) attached to the deflecting portion (30) and a lower housing (34) attached to the packer. Housings (32,34) are prevented from rotating with respect to each other by engagement of profiles (40,42), with profile (40) comprising circumferentially spaced recesses in upper housing (32) and profile (34) comprising upwardly extending projections formed on lower housing (34). This engagement profiles allow the whipstock to resist torque that is imparted to the whipstock when deflecting a milling tool, so that misalignment of the whipstock relative to well is prevented.
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Housings (32,34) are prevented from rotating with respect to each other by engagement of profiles (40,42), with profile (40) comprising circumferentially spaced recesses in upper housing (32) and profile (34) comprising upwardly extending projections formed on lower housing (34). This engagement profiles allow the whipstock to resist torque that is imparted to the whipstock when deflecting a milling tool, so that misalignment of the whipstock relative to well is prevented.</description><edition>7</edition><language>eng ; fre ; ger</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>2000</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=20000927&amp;DB=EPODOC&amp;CC=EP&amp;NR=0942145A3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20000927&amp;DB=EPODOC&amp;CC=EP&amp;NR=0942145A3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WHITE, PAT M</creatorcontrib><title>Torque resistent whipstock</title><description>A retrievable whipstock is connected to a packer below the whipstock. The whipstock comprises an upper housing (32) attached to the deflecting portion (30) and a lower housing (34) attached to the packer. Housings (32,34) are prevented from rotating with respect to each other by engagement of profiles (40,42), with profile (40) comprising circumferentially spaced recesses in upper housing (32) and profile (34) comprising upwardly extending projections formed on lower housing (34). This engagement profiles allow the whipstock to resist torque that is imparted to the whipstock when deflecting a milling tool, so that misalignment of the whipstock relative to well is prevented.</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAKyS8qLE1VKEotziwuSc0rUSjPyCwoLslPzuZhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAQaWJkaGJqaOxsZEKAEAN3gjHA</recordid><startdate>20000927</startdate><enddate>20000927</enddate><creator>WHITE, PAT M</creator><scope>EVB</scope></search><sort><creationdate>20000927</creationdate><title>Torque resistent whipstock</title><author>WHITE, PAT M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0942145A33</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2000</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>WHITE, PAT M</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WHITE, PAT M</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Torque resistent whipstock</title><date>2000-09-27</date><risdate>2000</risdate><abstract>A retrievable whipstock is connected to a packer below the whipstock. The whipstock comprises an upper housing (32) attached to the deflecting portion (30) and a lower housing (34) attached to the packer. Housings (32,34) are prevented from rotating with respect to each other by engagement of profiles (40,42), with profile (40) comprising circumferentially spaced recesses in upper housing (32) and profile (34) comprising upwardly extending projections formed on lower housing (34). This engagement profiles allow the whipstock to resist torque that is imparted to the whipstock when deflecting a milling tool, so that misalignment of the whipstock relative to well is prevented.</abstract><edition>7</edition><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 Torque resistent whipstock
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