(Continued) Primary Examiner—In Suk Bullock Assistant Examiner—Philip Louie (74)
Attorney, Agent, or Firm—Bracewell LLP: Constance Gall Rhebergen (57) ABSTRACT A …

A method and apparatus for upgrading a petroleum feedstock with supercritical water are
provided. The method includes the steps of:(1) heating and pressurizing a petroleum …

Generally, methods are provided for the supercritical water mediated upgrading of
petroleum feedstocks, particularly petroleum feedstocks that include sulfur. The methods …

3,948,754 A 4, 1976 McCollum et al. EP 1342771 9, 2003 3,948,755 A 4, 1976 McCollum et
al. EP 1505141 2, 2005 3,983,027 A 9, 1976 McCollum et al. EP 1537912 6, 2005 …

We present a group contribution pseudocomponent (PC) method for mixtures of petroleum
fluids and a solvent based on the characterization method (CM) for petroleum fractions and …

Embodiments of a process for producing paraffins from a petroleum-based composition
comprising long chain aromatics comprise mixing a supercritical water stream with a …

BOI 27/24 3: 08:(57) ABSTRACT BOI. 3L/00(2006.01) A process for preparing a slurry
catalyst is provided. The BOI. 23/883(2006.01) slurry catalyst is prepared from at least a …

CIG 9/00(2006.01) CIG 21/02(2006.01)(57) ABSTRACT CIOG 2L/08(2006.01) CIOG
3/08(2006.01) A process for upgrading an oil stream by mixing the oil CIG 55/04(2006.01) …

1. Field of the Invention The present invention relates to using a supercritical? uid, typically
water, with or without additives such as inorganic salts, selected hydrocarbons, or other …

Embodiments of processes for upgrading a petroleum-based composition while decreasing
plugging comprise mixing a supercritical water stream with a pressurized, heated petroleum …