OIL WELL DERRICK WITH GUIDE TRACK FOR TRAVELLING BLOCK DOLLY

OIL WELL DERRICK WITH GUIDE TRACK FOR TRAVELLING BLOCK DOLLY

An oil well derrick has two front legs and two downwardly diverging back legs. Cross braces rigidly connect the back legs and also rigidly connect the back legs to the front legs. The front legs extend downwardly from the top of the derrick in parallel relation for at least the major portion of the...

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Hauptverfasser: HOMER J. WOOLSLAYER, CECIL JENKINS
Format: Patent
Sprache:eng
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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 HOMER J. WOOLSLAYER
CECIL JENKINS
description An oil well derrick has two front legs and two downwardly diverging back legs. Cross braces rigidly connect the back legs and also rigidly connect the back legs to the front legs. The front legs extend downwardly from the top of the derrick in parallel relation for at least the major portion of the distance from top to bottom of the derrick and form the rails of a guide track. Mounted on this track is a travelling block dolly that is movable up and down the track. The front of the derrick between the track rails is open to allow stands of pipe to be moved through the track into and out of the derrick.
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The front of the derrick between the track rails is open to allow stands of pipe to be moved through the track into and out of the derrick.</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>1973</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=19730628&amp;DB=EPODOC&amp;CC=AU&amp;NR=3739971A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19730628&amp;DB=EPODOC&amp;CC=AU&amp;NR=3739971A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HOMER J. 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The front of the derrick between the track rails is open to allow stands of pipe to be moved through the track into and out of the derrick.</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>1973</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDx9_RRCHf18VFwcQ0K8nT2Vgj3DPFQcA_1dHFVCAlyBAq4-QeBWGFARZ5-7gpOPv5AQRd_H59IHgbWtMSc4lReKM3NIO_mGuLsoZtakB-fWlyQmJyal1oS7xhqbG5saWlu6GhMWAUASbwooA</recordid><startdate>19730628</startdate><enddate>19730628</enddate><creator>HOMER J. 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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 OIL WELL DERRICK WITH GUIDE TRACK FOR TRAVELLING BLOCK DOLLY
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