METHOD FOR REMOVING CALCIUM FROM CRUDE OIL

摘要

METHODS FOR REDUCING CALCIUM DEPOSITION ALONG SURFACES IN CONTACT WITH THE WATER PHASE OF A RESOLVED WATER/OIL EMULSION ARE DISCLOSED. HIGH CALCIUM CRUDE OIL AND THE LIKE ARE CONTACTED WITH A SEQUESTRANT TO FORM A SEQUESTERED CALCIUM CONTAINING COMPLEX THAT PARTITIONS TO THE WATER PHASE IN THE RESOLVED EMULSION. A SPECIFICALLY FORMULATED POLYMERIC DEPOSIT CONTROL AGENT IS ADDED TO THE WATER PHASE TO INHIBIT CALCIUM DEPOSIT FORMATION THEREIN AND ALONG SURFACES IN CONTACT WITH THE WATER PHASE. (NO SUITABLE