Patent · US Expired

Fischer-tropsch wax and crude oil mixtures having a high wax content

US6268401A · kind A · utility

1Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 21, 2000
Grant dateJul 31, 2001
Priority date
Expiry dateApr 21, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10L1/322
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention is a process for producing a mixture of wax and crude oil which can be pumped at ambient temperature. The wax is preferably a Fisher-Tropsch wax. The temperature of the crude oil is controlled to a level below the dissolution temperature of the wax. The wax crystals are homogenized and dispersed into the crude oil to form a mixture. The present invention prevents the wax from dissolving in the crude oil and subsequently re-crystallizing at lower temperatures which can substantially increase the viscosity of the mixture thereby decreasing the effectiveness of transporting the mixture.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.