DEVICE FOR FORMATIONS SEGREGATION
oil producing industry; devices for segregation of formations. SUBSTANCE: device has a body consisting of two concentric pipes forming a circular channel with a packer unit installed on its ends. At least one of packer units has flexible sealing members. At least one packer unit is used in the form...
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creator | RAKHIMKULOV R.SH GIBADULLIN N.Z ASFANDIJAROV R.T OVTSYN I.O ALEKSEEV V.A GILJAZOV R.M KLJAVIN R.M |
description | oil producing industry; devices for segregation of formations. SUBSTANCE: device has a body consisting of two concentric pipes forming a circular channel with a packer unit installed on its ends. At least one of packer units has flexible sealing members. At least one packer unit is used in the form of a filtering hose provided with split rings. Reinforcing members are located inside the filtering hose. Packer units are installed on the device body with possible change of a distance between them. EFFECT: improved sealing of annular space in wells with complicated wellbores. 3 cl, 2 dwg |
format | Patent |
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SUBSTANCE: device has a body consisting of two concentric pipes forming a circular channel with a packer unit installed on its ends. At least one of packer units has flexible sealing members. At least one packer unit is used in the form of a filtering hose provided with split rings. Reinforcing members are located inside the filtering hose. Packer units are installed on the device body with possible change of a distance between them. 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EFFECT: improved sealing of annular space in wells with complicated wellbores. 3 cl, 2 dwg</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>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB0cQ3zdHZVcPMPAmFfxxBPf79ghWBX9yBXdzCHh4E1LTGnOJUXSnMzKLi5hjh76KYW5MenFhckJqfmpZbEB4UaGVoYWZpaOBsZE6EEAN-sIhE</recordid><startdate>20020527</startdate><enddate>20020527</enddate><creator>RAKHIMKULOV R.SH</creator><creator>GIBADULLIN N.Z</creator><creator>ASFANDIJAROV R.T</creator><creator>OVTSYN I.O</creator><creator>ALEKSEEV V.A</creator><creator>GILJAZOV R.M</creator><creator>KLJAVIN R.M</creator><scope>EVB</scope></search><sort><creationdate>20020527</creationdate><title>DEVICE FOR FORMATIONS SEGREGATION</title><author>RAKHIMKULOV R.SH ; GIBADULLIN N.Z ; ASFANDIJAROV R.T ; OVTSYN I.O ; ALEKSEEV V.A ; GILJAZOV R.M ; KLJAVIN R.M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2182958C23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</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>RAKHIMKULOV R.SH</creatorcontrib><creatorcontrib>GIBADULLIN N.Z</creatorcontrib><creatorcontrib>ASFANDIJAROV R.T</creatorcontrib><creatorcontrib>OVTSYN I.O</creatorcontrib><creatorcontrib>ALEKSEEV V.A</creatorcontrib><creatorcontrib>GILJAZOV R.M</creatorcontrib><creatorcontrib>KLJAVIN R.M</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>RAKHIMKULOV R.SH</au><au>GIBADULLIN N.Z</au><au>ASFANDIJAROV R.T</au><au>OVTSYN I.O</au><au>ALEKSEEV V.A</au><au>GILJAZOV R.M</au><au>KLJAVIN R.M</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DEVICE FOR FORMATIONS SEGREGATION</title><date>2002-05-27</date><risdate>2002</risdate><abstract>oil producing industry; devices for segregation of formations. SUBSTANCE: device has a body consisting of two concentric pipes forming a circular channel with a packer unit installed on its ends. At least one of packer units has flexible sealing members. At least one packer unit is used in the form of a filtering hose provided with split rings. Reinforcing members are located inside the filtering hose. Packer units are installed on the device body with possible change of a distance between them. EFFECT: improved sealing of annular space in wells with complicated wellbores. 3 cl, 2 dwg</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 | DEVICE FOR FORMATIONS SEGREGATION |
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