DLC-COATED GATE VALVE IN PETROLEUM PRODUCTION OR WATER INJECTION
The invention provides a gate valve for control of petroleum production or water injection, distinctive in that at least one surface subject to sliding in operation of the valve comprises a top layer coating of diamond like carbon (DLC). The DLC contains hydrogen, preferably more than 16 atom-% and...
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| creator | TWIST, DAG HALDORSEN, HENRIK DISHINGTON |
| description | The invention provides a gate valve for control of petroleum production or water injection, distinctive in that at least one surface subject to sliding in operation of the valve comprises a top layer coating of diamond like carbon (DLC). The DLC contains hydrogen, preferably more than 16 atom-% and more preferred more than 17 atom-%. Method of commissioning or operating a gate valve according to the invention, and use of a diamond like carbon (DLC) top layer coating on at least one surface subject to sliding in operation of a gate valve for control of petroleum production or water injection. |
| format | Patent |
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The DLC contains hydrogen, preferably more than 16 atom-% and more preferred more than 17 atom-%. Method of commissioning or operating a gate valve according to the invention, and use of a diamond like carbon (DLC) top layer coating on at least one surface subject to sliding in operation of a gate valve for control of petroleum production or water injection.</description><language>eng ; fre ; ger</language><subject>ACTUATING-FLOATS ; BLASTING ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; COCKS ; DEVICES FOR VENTING OR AERATING ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; ENGINEERING ELEMENTS AND UNITS ; FIXED CONSTRUCTIONS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; METALLURGY ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2015</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=20151118&DB=EPODOC&CC=EP&NR=2820167A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151118&DB=EPODOC&CC=EP&NR=2820167A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TWIST, DAG</creatorcontrib><creatorcontrib>HALDORSEN, HENRIK DISHINGTON</creatorcontrib><title>DLC-COATED GATE VALVE IN PETROLEUM PRODUCTION OR WATER INJECTION</title><description>The invention provides a gate valve for control of petroleum production or water injection, distinctive in that at least one surface subject to sliding in operation of the valve comprises a top layer coating of diamond like carbon (DLC). The DLC contains hydrogen, preferably more than 16 atom-% and more preferred more than 17 atom-%. Method of commissioning or operating a gate valve according to the invention, and use of a diamond like carbon (DLC) top layer coating on at least one surface subject to sliding in operation of a gate valve for control of petroleum production or water injection.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>COCKS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHBw8XHWdfZ3DHF1UXAHkgphjj5hrgqefgoBriFB_j6uob4KAUH-LqHOIZ7-fgr-QQrhQFVBQAVermAhHgbWtMSc4lReKM3NoODmGuLsoZtakB-fWlyQmJyal1oS7xpgZGFkYGhm7mhiTIQSAEs3Kjo</recordid><startdate>20151118</startdate><enddate>20151118</enddate><creator>TWIST, DAG</creator><creator>HALDORSEN, HENRIK DISHINGTON</creator><scope>EVB</scope></search><sort><creationdate>20151118</creationdate><title>DLC-COATED GATE VALVE IN PETROLEUM PRODUCTION OR WATER INJECTION</title><author>TWIST, DAG ; HALDORSEN, HENRIK DISHINGTON</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2820167A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2015</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>COCKS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>TWIST, DAG</creatorcontrib><creatorcontrib>HALDORSEN, HENRIK DISHINGTON</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TWIST, DAG</au><au>HALDORSEN, HENRIK DISHINGTON</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DLC-COATED GATE VALVE IN PETROLEUM PRODUCTION OR WATER INJECTION</title><date>2015-11-18</date><risdate>2015</risdate><abstract>The invention provides a gate valve for control of petroleum production or water injection, distinctive in that at least one surface subject to sliding in operation of the valve comprises a top layer coating of diamond like carbon (DLC). The DLC contains hydrogen, preferably more than 16 atom-% and more preferred more than 17 atom-%. Method of commissioning or operating a gate valve according to the invention, and use of a diamond like carbon (DLC) top layer coating on at least one surface subject to sliding in operation of a gate valve for control of petroleum production or water injection.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ACTUATING-FLOATS BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COCKS DEVICES FOR VENTING OR AERATING DIFFUSION TREATMENT OF METALLIC MATERIAL EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | DLC-COATED GATE VALVE IN PETROLEUM PRODUCTION OR WATER INJECTION |
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