CORROSION INHIBITOR COMPOSITION, MIXED TRANSPORT FLUID, CORROSION INHIBITOR COMPOSITION CHARGING METHOD, WELL, AND PIPELINE

• Main Author: TOMOE Yasuyoshi
• Format: Patent
• Language: English; French; Japanese
• Published: 18.07.2019
• 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; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; MINING; 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; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

This corrosion inhibitor composition contains: a long-chain organic compound that has a polar group; and hydrophobic silica. A corrosion inhibitor composition charging method in which a mixed fluid that includes water and at least one type of hydrocarbon fluid selected from the group that consists of liquid-phase hydrocarbon fluids and gas-phase hydrocarbon fluids is charged with a corrosion inhibitor composition that comprises: a first corrosion inhibitor composition that includes a long-chain organic compound that has a polar group; and a second corrosion inhibitor composition that includes hydrophobic silica. La présente invention concerne une composition d'inhibiteur de corrosion qui contient : un composé organique à longue chaîne qui comporte un groupe polaire ; et de la silice hydrophobe. L'invention concerne, en outre, un procédé de chargement d'une composition d'inhibiteur de corrosion dans lequel un fluide mélangé qui contient de l'eau et au moins un type de fluide hydrocarboné choisi dans le groupe constitué de fluides hydrocarbonés en phase liquide et de fluides hydrocarbonés en phase gazeuse est chargé d'une composition d'inhibiteur de corrosion qui comprend : une première composition d'inhibiteur de corrosion qui comprend un composé organique à longue chaîne possédant un groupe polaire ; et une seconde composition d'inhibiteur de corrosion qui comprend de la silice hydrophobe. この腐食防止剤組成物は、極性基を有する有機長鎖化合物と、疎水性シリカとを含有する。腐食防止剤組成物の投入方法では、液相の炭化水素流体及び気相の炭化水素流体からなる群より選択される少なくとも１種の炭化水素流体と、水と、を含む混合流体に、極性基を有する有機長鎖化合物を含む第一の腐食防止剤組成物と、疎水性シリカを含む第二の腐食防止剤組成物とからなる腐食防止剤組成物を投入する。