Drag block for increasing the fluid resistance in a well production tubing

Drag block for increasing the fluid resistance in a well production tubing

The present invention pertains to a drag block that is attached over the exterior of, or screwed onto as an integral part of, oil well production tubing to increase the fluid resistance of the tubing. The increased fluid resistance of the tubing slows its descent through an oil or gas well filled or...

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1. Verfasser: GEORGE C. BITTING
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 GEORGE C. BITTING
description The present invention pertains to a drag block that is attached over the exterior of, or screwed onto as an integral part of, oil well production tubing to increase the fluid resistance of the tubing. The increased fluid resistance of the tubing slows its descent through an oil or gas well filled or partially filled with fluid, thereby reducing the risk of damage to the casing, tubing or the well itself when a string of production tubing is inadvertently dropped through the well and hits bottom.
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BITTING</creatorcontrib><description>The present invention pertains to a drag block that is attached over the exterior of, or screwed onto as an integral part of, oil well production tubing to increase the fluid resistance of the tubing. The increased fluid resistance of the tubing slows its descent through an oil or gas well filled or partially filled with fluid, thereby reducing the risk of damage to the casing, tubing or the well itself when a string of production tubing is inadvertently dropped through the well and hits bottom.</description><edition>5</edition><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>1996</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=19960125&amp;DB=EPODOC&amp;CC=AU&amp;NR=7471394A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19960125&amp;DB=EPODOC&amp;CC=AU&amp;NR=7471394A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GEORGE C. BITTING</creatorcontrib><title>Drag block for increasing the fluid resistance in a well production tubing</title><description>The present invention pertains to a drag block that is attached over the exterior of, or screwed onto as an integral part of, oil well production tubing to increase the fluid resistance of the tubing. The increased fluid resistance of the tubing slows its descent through an oil or gas well filled or partially filled with fluid, thereby reducing the risk of damage to the casing, tubing or the well itself when a string of production tubing is inadvertently dropped through the well and hits bottom.</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>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFi7sKwkAQAK-xEPUb3B9IIQkEy6AGsdY6bDZ7yeGyd9wDf98U9lZTzMzWPK4RZxjF0xusj-CUImNyOkNeGKwUN0Hk5FJGJV49IHxYBEL0U6HsvEIu4zrszcaiJD78uDPH_va83CsOfuAUkFg5D92rbdpTfW66-n_xBSYuNBI</recordid><startdate>19960125</startdate><enddate>19960125</enddate><creator>GEORGE C. 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BITTING</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Drag block for increasing the fluid resistance in a well production tubing</title><date>1996-01-25</date><risdate>1996</risdate><abstract>The present invention pertains to a drag block that is attached over the exterior of, or screwed onto as an integral part of, oil well production tubing to increase the fluid resistance of the tubing. The increased fluid resistance of the tubing slows its descent through an oil or gas well filled or partially filled with fluid, thereby reducing the risk of damage to the casing, tubing or the well itself when a string of production tubing is inadvertently dropped through the well and hits bottom.</abstract><edition>5</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 Drag block for increasing the fluid resistance in a well production tubing
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