IN PIPELINES FOR THE TRANSPORTATION OF LIQUID HYDROCARBONS

In pipelines for the transportation of liquid hydrocarbons, especially crude oil or its fractions, friction is reduced by injecting into or adding to the hydrocarbons 10-2000 ppm of an ethylene-propylene block copolymer having an intrinsic viscosity of 5-15 in decalin at 150 C.

• Supplemental Notes:
  • U.S. Patent Classification no. C1.137/13. Corresponds to Netherlands Patent Appl. No. 68,13862.
• Corporate Authors:

  Shell Oil Company

  50 West 50th Street
  New York, NY  United States  10020
• Authors:
  • Seymour, E V
  • Winkler, D E
• Publication Date: 1971-2-2

Subject/Index Terms

• TRT Terms: Additives; Drag; Pipe flow; Polymers
• Old TRIS Terms: Drag reduction; Pipeline flow theory; Polymer additives
• Subject Areas: Design; Marine Transportation;

Filing Info

• Accession Number: 00056313
• Record Type: Publication
• Source Agency: American Petroleum Institute
• Report/Paper Numbers: Patent
• Files: TRIS
• Created Date: Jul 15 1974 12:00AM