SOLID-PHASE COMPOSITION FOR PROTECTING INTRA-WELL-DRILLING EQUIPMENT AGAINST CORROSION

FIELD: oil, gas and condensate output. ^ SUBSTANCE: invention relates to reagents used for protection of intra-well-drilling equipment against corrosion. The composition comprises the following components, wt.-%L calcium stearate, 30.0-40.0; polyethylene oxide-4000, 54.0-63.0, and polyvinyl alcohol...

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Bibliographische Detailangaben
Hauptverfasser:	ZAKHAROV ANDREJ ALEKSANDROVICH, KOLESNICHENKO VLADIMIR PETROVICH, FEDOROV KONSTANTIN JUR'EVICH, KRIVORUCHKO PAVEL EVGEN'EVICH, GERAS'KIN VADIM GEORGIEVICH, RUD'KOV NIKOLAJ ALEKSANDROVICH, ZHIDENKO VIKTOR PETROVICH, NIKITIN MIKHAIL MIKHAJLOVICH, BAKANOV JURIJ IVANOVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	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
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Beschreibung
Zusammenfassung:	FIELD: oil, gas and condensate output. ^ SUBSTANCE: invention relates to reagents used for protection of intra-well-drilling equipment against corrosion. The composition comprises the following components, wt.-%L calcium stearate, 30.0-40.0; polyethylene oxide-4000, 54.0-63.0, and polyvinyl alcohol of sort 18/11, 6.0-7.0. Invention provides enhancing effectiveness of protection of intra-well-drilling equipment and pump-compressor pipe internal surface in gas-condensate holes against corrosion. ^ EFFECT: improved and valuable technical properties of composition. ^ 1 tbl