METHOD OF GAS AND FLUID MIX INJECTION TO WELL
FIELD: mining. ^ SUBSTANCE: method involves construction selection for well, well equipment and compressor pump pipes, supply of gas and fluid to the well head and injection of gas and fluid mix to the well over an independent channel. According to the invention, gas and fluid mix is injected in cyc...
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| creator | GRAJFER VALERIJ ISAAKOVICH CHUBANOV OTTO VIKTOROVICH KARPOV VALERIJ BORISOVICH |
| description | FIELD: mining. ^ SUBSTANCE: method involves construction selection for well, well equipment and compressor pump pipes, supply of gas and fluid to the well head and injection of gas and fluid mix to the well over an independent channel. According to the invention, gas and fluid mix is injected in cycles, with heating at the well head. For this purpose, the temperature of hydrate formation for particular conditions is defined before gas and fluid mix injection. Further on, gas and fluid mix is heated at the well head to the temperature sustaining such heat distribution that provides the temperature at any well point higher than the starting hydrate formation point. Selection of well construction, equipment and compressor pump pipes is based on necessity to sustain such downflow speed of gas and fluid mix and gas segregation near compressor pump pipe shoe, that ensure filling of the whole annular space with gas. ^ EFFECT: prevention of hydrate formation during gas and fluid mix injection in permafrost zone. ^ 3 cl, 2 tbl, 5 dwg |
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According to the invention, gas and fluid mix is injected in cycles, with heating at the well head. For this purpose, the temperature of hydrate formation for particular conditions is defined before gas and fluid mix injection. Further on, gas and fluid mix is heated at the well head to the temperature sustaining such heat distribution that provides the temperature at any well point higher than the starting hydrate formation point. Selection of well construction, equipment and compressor pump pipes is based on necessity to sustain such downflow speed of gas and fluid mix and gas segregation near compressor pump pipe shoe, that ensure filling of the whole annular space with gas. ^ EFFECT: prevention of hydrate formation during gas and fluid mix injection in permafrost zone. ^ 3 cl, 2 tbl, 5 dwg</description><language>eng ; rus</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>2008</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&date=20080920&DB=EPODOC&CC=RU&NR=2334085C1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080920&DB=EPODOC&CC=RU&NR=2334085C1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GRAJFER VALERIJ ISAAKOVICH</creatorcontrib><creatorcontrib>CHUBANOV OTTO VIKTOROVICH</creatorcontrib><creatorcontrib>KARPOV VALERIJ BORISOVICH</creatorcontrib><title>METHOD OF GAS AND FLUID MIX INJECTION TO WELL</title><description>FIELD: mining. ^ SUBSTANCE: method involves construction selection for well, well equipment and compressor pump pipes, supply of gas and fluid to the well head and injection of gas and fluid mix to the well over an independent channel. 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According to the invention, gas and fluid mix is injected in cycles, with heating at the well head. For this purpose, the temperature of hydrate formation for particular conditions is defined before gas and fluid mix injection. Further on, gas and fluid mix is heated at the well head to the temperature sustaining such heat distribution that provides the temperature at any well point higher than the starting hydrate formation point. Selection of well construction, equipment and compressor pump pipes is based on necessity to sustain such downflow speed of gas and fluid mix and gas segregation near compressor pump pipe shoe, that ensure filling of the whole annular space with gas. ^ EFFECT: prevention of hydrate formation during gas and fluid mix injection in permafrost zone. ^ 3 cl, 2 tbl, 5 dwg</abstract><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 | METHOD OF GAS AND FLUID MIX INJECTION TO WELL |
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