PROCESS FOR EXTRACTING BITUMEN AND DRYING THE TAILINGS

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United States of America Patent

APP PUB NO 20120145602A1
SERIAL NO

12964612

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for separating bitumen from bitumen ore material includes extracting bitumen with a hydrocarbon solvent to produce a bitumen-enriched solvent phase and tailings. The tailings are dried or stripped in a dryer to remove any remaining hydrocarbon solvent. The amount of solvent discharged in the tailings may be less than 4 bbl per 1000 bbl of recovered bitumen.

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Patent Owner(s)

Patent OwnerAddress
SHELL CANADA ENERGYCALGARY AB T2P 2H5
CHEVRON CANADA LIMITED500 5TH AVENUE SW CHANGPING BEIJING T2P 0L7

International Classification(s)

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  • 2010 Application Filing Year
  • C10G Class
  • 462 Applications Filed
  • 361 Patents Issued To-Date
  • 78.14 % Issued To-Date

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoffman, Cherish M Reno, US 9 57
Joshi, Mahendra Katy, US 33 130
Kift, Julian Reno, US 22 216
Thompson, Whip C Reno, US 10 64

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Patent Citation Ranking

  • 3 Citation Count
  • C10G Class
  • 10.54 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges311745420102301 - 1011 - 2021 - 3031 - 4041 - 50100 +0102030405060708090100110120130140150160170180190

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