METHOD OF TESTING ERW PIPE WELD SEAM FOR SUSCEPTIBILITY TO HYDROGEN EMBRITTLEMENT
A method of managing a tubular having a seam that exhibits signs of hydrogen induced cracking that extends radially along the seam, and which is different from classic step-wise cracking. Included in the method is evaluating the strength and ductility specimens taken from the tubular that have been...
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| creator | AL-ANEZI, Mohammed A AL-MUAILI, Saad M BA BAKRI, Khalid A |
| description | A method of managing a tubular having a seam that exhibits signs of hydrogen induced cracking that extends radially along the seam, and which is different from classic step-wise cracking. Included in the method is evaluating the strength and ductility specimens taken from the tubular that have been hydrogen charged; and which provides an indication if the seam is susceptible to hydrogen embrittlement. The strength is evaluated by comparing tensile strength of the hydrogen charged specimen with that specified in an industry standard, such as API 5L. The ductility is evaluated based on comparing percent elongation of the hydrogen charged specimen with percent elongation of a specimen obtained from the tubular and not hydrogen charged. Tubulars with seams found susceptible to hydrogen embrittlement would not be put into sour service, whereas those found not susceptible to hydrogen embrittlement can be put in a sour service. |
| format | Patent |
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Included in the method is evaluating the strength and ductility specimens taken from the tubular that have been hydrogen charged; and which provides an indication if the seam is susceptible to hydrogen embrittlement. The strength is evaluated by comparing tensile strength of the hydrogen charged specimen with that specified in an industry standard, such as API 5L. The ductility is evaluated based on comparing percent elongation of the hydrogen charged specimen with percent elongation of a specimen obtained from the tubular and not hydrogen charged. Tubulars with seams found susceptible to hydrogen embrittlement would not be put into sour service, whereas those found not susceptible to hydrogen embrittlement can be put in a sour service.</description><language>eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MACHINE TOOLS ; MEASURING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; PHYSICS ; SOLDERING OR UNSOLDERING ; TESTING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2021</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=20210729&DB=EPODOC&CC=US&NR=2021229221A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210729&DB=EPODOC&CC=US&NR=2021229221A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AL-ANEZI, Mohammed A</creatorcontrib><creatorcontrib>AL-MUAILI, Saad M</creatorcontrib><creatorcontrib>BA BAKRI, Khalid A</creatorcontrib><title>METHOD OF TESTING ERW PIPE WELD SEAM FOR SUSCEPTIBILITY TO HYDROGEN EMBRITTLEMENT</title><description>A method of managing a tubular having a seam that exhibits signs of hydrogen induced cracking that extends radially along the seam, and which is different from classic step-wise cracking. Included in the method is evaluating the strength and ductility specimens taken from the tubular that have been hydrogen charged; and which provides an indication if the seam is susceptible to hydrogen embrittlement. The strength is evaluated by comparing tensile strength of the hydrogen charged specimen with that specified in an industry standard, such as API 5L. The ductility is evaluated based on comparing percent elongation of the hydrogen charged specimen with percent elongation of a specimen obtained from the tubular and not hydrogen charged. 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Included in the method is evaluating the strength and ductility specimens taken from the tubular that have been hydrogen charged; and which provides an indication if the seam is susceptible to hydrogen embrittlement. The strength is evaluated by comparing tensile strength of the hydrogen charged specimen with that specified in an industry standard, such as API 5L. The ductility is evaluated based on comparing percent elongation of the hydrogen charged specimen with percent elongation of a specimen obtained from the tubular and not hydrogen charged. Tubulars with seams found susceptible to hydrogen embrittlement would not be put into sour service, whereas those found not susceptible to hydrogen embrittlement can be put in a sour service.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MACHINE TOOLS MEASURING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING TESTING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | METHOD OF TESTING ERW PIPE WELD SEAM FOR SUSCEPTIBILITY TO HYDROGEN EMBRITTLEMENT |
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