Well packer device

Well packer device

A well packer has mandrel means (20) having first ratchet means (24) and lug means (26) disposed thereon, second ratchet means (82) and drag spring means (120) associated with tubular housing means (70) surrounding said mandrel means, said housing means including slot (102) means on the interior the...

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1. Verfasser: FORE, WILLIAM MICHAEL
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 FORE, WILLIAM MICHAEL
description A well packer has mandrel means (20) having first ratchet means (24) and lug means (26) disposed thereon, second ratchet means (82) and drag spring means (120) associated with tubular housing means (70) surrounding said mandrel means, said housing means including slot (102) means on the interior thereof, and radially expandable slip means (150, 196) disposed about said mandrel means. A compressible packer element (250) is disposed about the lower end of said mandrel means, and packer element compression means are provided associated with said mandrel means and said housing means.
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A compressible packer element (250) is disposed about the lower end of said mandrel means, and packer element compression means are provided associated with said mandrel means and said housing means.</description><edition>4</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>1985</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=19850605&amp;DB=EPODOC&amp;CC=EP&amp;NR=0143572A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19850605&amp;DB=EPODOC&amp;CC=EP&amp;NR=0143572A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FORE, WILLIAM MICHAEL</creatorcontrib><title>Well packer device</title><description>A well packer has mandrel means (20) having first ratchet means (24) and lug means (26) disposed thereon, second ratchet means (82) and drag spring means (120) associated with tubular housing means (70) surrounding said mandrel means, said housing means including slot (102) means on the interior thereof, and radially expandable slip means (150, 196) disposed about said mandrel means. A compressible packer element (250) is disposed about the lower end of said mandrel means, and packer element compression means are provided associated with said mandrel means and said housing means.</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>1985</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAKT83JUShITM5OLVJISS3LTE7lYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxUC1qXmpJfGuAQaGJsam5kaORsZEKAEAoY0fSQ</recordid><startdate>19850605</startdate><enddate>19850605</enddate><creator>FORE, WILLIAM MICHAEL</creator><scope>EVB</scope></search><sort><creationdate>19850605</creationdate><title>Well packer device</title><author>FORE, WILLIAM MICHAEL</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0143572A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1985</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>FORE, WILLIAM MICHAEL</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FORE, WILLIAM MICHAEL</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Well packer device</title><date>1985-06-05</date><risdate>1985</risdate><abstract>A well packer has mandrel means (20) having first ratchet means (24) and lug means (26) disposed thereon, second ratchet means (82) and drag spring means (120) associated with tubular housing means (70) surrounding said mandrel means, said housing means including slot (102) means on the interior thereof, and radially expandable slip means (150, 196) disposed about said mandrel means. A compressible packer element (250) is disposed about the lower end of said mandrel means, and packer element compression means are provided associated with said mandrel means and said housing means.</abstract><edition>4</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 Well packer device
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