RU98116653A -
MANUFACTURE OF DRILLING AND COATING PIPES FROM ALUMINUM-SCANDIUM ALLOYS
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MANUFACTURE OF DRILLING AND COATING PIPES FROM ALUMINUM-SCANDIUM ALLOYS
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Publication number
RU98116653A
RU98116653ARU98116653/02ARU98116653ARU98116653ARU 98116653 ARU98116653 ARU 98116653ARU 98116653/02 ARU98116653/02 ARU 98116653/02ARU 98116653 ARU98116653 ARU 98116653ARU 98116653 ARU98116653 ARU 98116653A
Производство бурильных и обсадных труб из алюминий-скандиевых сплавов, отличающееся тем, что сплавы, содержащие 0,01 - 0,4% скандия, исключают в процессе производства продукции операцию термической закалки.Production of drill and casing pipes from aluminum-scandium alloys, characterized in that alloys containing 0.01 - 0.4% of scandium exclude the operation of thermal hardening during the production process.
RU98116653/02A1998-09-041998-09-04Pipe for drilling or casing of oil-gas wells
RU2167998C2
(en)
Process for the recovery of ethane using a cooling circuit with a mixture of at least 2 refrigerants, gases obtained by said method and the use thereof.
Luminescent orgainc-polymer/metal complex, luminescent organic-polymer/metal complex composition capable of forming film by wet process, and process for producing the same