Geomagnetic storm disaster prevention method for buried oil-gas pipelines
The invention relates to a geomagnetic storm disaster prevention method for buried oil-gas pipelines. The geomagnetic storm disaster prevention method comprises the following steps: step 1, a cathodic protection device is configured in each of a gas transmission station and an oil transmission stati...
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| creator | LIANG ZHISHAN XIA PENGCHENG ZHANG JUQIU |
| description | The invention relates to a geomagnetic storm disaster prevention method for buried oil-gas pipelines. The geomagnetic storm disaster prevention method comprises the following steps: step 1, a cathodic protection device is configured in each of a gas transmission station and an oil transmission station; step 2, as for pipelines outside the gas transmission station and the oil transmission station, a set of potentiostat is configured to each of the two ends of a segment of pipeline; step 3, a decoupler is arranged; and step 4, potentiostats are not permitted to be mounted in any places except the two ends of pipeline segments. The geomagnetic storm disaster prevention method for the buried oil-gas pipelines can prevent excessively high bipolarity of PSP (Pipe to Soil Potential) on two ends of pipelines caused by geomagnetic storm, prevents the potentiostats and other equipment from being damaged by excessively high GIC (Geomagnetically Induced Current) of the pipelines, caused by geomagnetic storm, improves the geomagnetic storm disaster prevention capability of the buried oil-gas pipelines and prolongs the service life of the pipelines and related equipment. |
| format | Patent |
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The geomagnetic storm disaster prevention method comprises the following steps: step 1, a cathodic protection device is configured in each of a gas transmission station and an oil transmission station; step 2, as for pipelines outside the gas transmission station and the oil transmission station, a set of potentiostat is configured to each of the two ends of a segment of pipeline; step 3, a decoupler is arranged; and step 4, potentiostats are not permitted to be mounted in any places except the two ends of pipeline segments. The geomagnetic storm disaster prevention method for the buried oil-gas pipelines can prevent excessively high bipolarity of PSP (Pipe to Soil Potential) on two ends of pipelines caused by geomagnetic storm, prevents the potentiostats and other equipment from being damaged by excessively high GIC (Geomagnetically Induced Current) of the pipelines, caused by geomagnetic storm, improves the geomagnetic storm disaster prevention capability of the buried oil-gas pipelines and prolongs the service life of the pipelines and related equipment.</description><language>eng</language><subject>CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 ; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE</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=20151216&DB=EPODOC&CC=CN&NR=105154886A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76304</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151216&DB=EPODOC&CC=CN&NR=105154886A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIANG ZHISHAN</creatorcontrib><creatorcontrib>XIA PENGCHENG</creatorcontrib><creatorcontrib>ZHANG JUQIU</creatorcontrib><title>Geomagnetic storm disaster prevention method for buried oil-gas pipelines</title><description>The invention relates to a geomagnetic storm disaster prevention method for buried oil-gas pipelines. The geomagnetic storm disaster prevention method comprises the following steps: step 1, a cathodic protection device is configured in each of a gas transmission station and an oil transmission station; step 2, as for pipelines outside the gas transmission station and the oil transmission station, a set of potentiostat is configured to each of the two ends of a segment of pipeline; step 3, a decoupler is arranged; and step 4, potentiostats are not permitted to be mounted in any places except the two ends of pipeline segments. The geomagnetic storm disaster prevention method for the buried oil-gas pipelines can prevent excessively high bipolarity of PSP (Pipe to Soil Potential) on two ends of pipelines caused by geomagnetic storm, prevents the potentiostats and other equipment from being damaged by excessively high GIC (Geomagnetically Induced Current) of the pipelines, caused by geomagnetic storm, improves the geomagnetic storm disaster prevention capability of the buried oil-gas pipelines and prolongs the service life of the pipelines and related equipment.</description><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 MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>METALLURGY</subject><subject>MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25</subject><subject>NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzTsOwjAQRVE3FAjYw7CASEQQlBZF_Boq-sjEL2Ek22N5DOuHggVQ3eZId26uZ0iwU0ThgbRIDuRYrRZkShlvxMISKaA8xdEomR6vzHAk7KvJKiVO8ByhSzMbrVesfl2Y9el47y4VkvTQZAd8L313qzdN3ezadn_Y_mM-J1w1NQ</recordid><startdate>20151216</startdate><enddate>20151216</enddate><creator>LIANG ZHISHAN</creator><creator>XIA PENGCHENG</creator><creator>ZHANG JUQIU</creator><scope>EVB</scope></search><sort><creationdate>20151216</creationdate><title>Geomagnetic storm disaster prevention method for buried oil-gas pipelines</title><author>LIANG ZHISHAN ; XIA PENGCHENG ; ZHANG JUQIU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN105154886A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><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 MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>METALLURGY</topic><topic>MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25</topic><topic>NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE</topic><toplevel>online_resources</toplevel><creatorcontrib>LIANG ZHISHAN</creatorcontrib><creatorcontrib>XIA PENGCHENG</creatorcontrib><creatorcontrib>ZHANG JUQIU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIANG ZHISHAN</au><au>XIA PENGCHENG</au><au>ZHANG JUQIU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Geomagnetic storm disaster prevention method for buried oil-gas pipelines</title><date>2015-12-16</date><risdate>2015</risdate><abstract>The invention relates to a geomagnetic storm disaster prevention method for buried oil-gas pipelines. The geomagnetic storm disaster prevention method comprises the following steps: step 1, a cathodic protection device is configured in each of a gas transmission station and an oil transmission station; step 2, as for pipelines outside the gas transmission station and the oil transmission station, a set of potentiostat is configured to each of the two ends of a segment of pipeline; step 3, a decoupler is arranged; and step 4, potentiostats are not permitted to be mounted in any places except the two ends of pipeline segments. The geomagnetic storm disaster prevention method for the buried oil-gas pipelines can prevent excessively high bipolarity of PSP (Pipe to Soil Potential) on two ends of pipelines caused by geomagnetic storm, prevents the potentiostats and other equipment from being damaged by excessively high GIC (Geomagnetically Induced Current) of the pipelines, caused by geomagnetic storm, improves the geomagnetic storm disaster prevention capability of the buried oil-gas pipelines and prolongs the service life of the pipelines and related equipment.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE |
| title | Geomagnetic storm disaster prevention method for buried oil-gas pipelines |
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