HYDROXYETHYL CELLULOSE HYDRATE COMPOSITION FOR MAKING VISCOUS HEAVY BRINE SUGAR, PROCESS FOR ACTIVATION OF HYDROXYETHYL CELLULOSE FOR SUCH COMPOSITION, AND PETROLEUM WELL TREATMENT FLUIDS CONTAINING THE SAME

摘要

HYDROXYETHYL CELLULOSE HYDRATED COMPOSITION FOR VISCOUSING HEAVY BRINE, METHOD OF ACTIVATING HYDROXYETHYL CELLULOSE TO OBTAIN SUCH A COMPOSITION, AND PETROLEUM WELL TREATMENT FLUIDS CONTAINING THE SAME. / P P TO OBTAIN THE COMPOSITION, MIXING OILY LIQUID AND A ACCOUNTING AGENT TO FORM A VISCOUS SUSPENSION, INCORPORATING AQUEOUS SOLUTION OF A MINERAL SALT HAVING EXOTHERMIC HEAT OF DISSOLUTION, THEN MIXING THE HYDROXYETHYL CELLULOSE TO FORM A VERSABLE AND VISCOUS COMPOSITION WHICH WILL FRESH IN BRINE WITH A VOLUME OF NOT LESS THAN 1.619 KGLITER. / P P APPLICATION: OIL WELL COMPLETION OR REPLENISHING FLUIDS. / P