Patents by Inventor Laurent Prouvost

Laurent Prouvost has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Spectral imaging for downhole fluid characterization
    Patent number: 7933018
    Abstract: The present invention contemplates implementation of transitory downhole video imaging and/or spectral imaging for the characterization of formation fluid samples in situ, as well as during flow through production tubing, including subsea flow lines, for permanent and/or long term installations. The present invention contemplates various methods and apparatus that facilitate one-time or ongoing downhole fluid characterization by video analysis in real time. The methods and systems may be particularly well suited to permanent and periodic intervention-based operations.
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: April 26, 2011
    Assignee: Schlumberger Technology Corporation
    Inventors: Stephane Vannuffelen, Ahmed Hammami, Toru Terabayashi, Tsutomu Yamate, Terry Sopkow, John Ratulowski, John A. Kerr, Francois Auzerais, Robert J. Schroeder, Jeffrey A. Tarvin, Andrew L. Kurkjian, Laurent Prouvost
  • Apparatus for measuring an internal dimension of a well bore
    Patent number: 7884951
    Abstract: An apparatus for measuring an internal dimension of a well-bore comprising a tool adapted to be positioned inside the well bore. The tool comprises an optical caliper comprising an optical sensor providing a response correlated to the internal dimension of the well bore, the optical sensor being coupled to an optical fiber.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: February 8, 2011
    Assignee: Schlumberger Technology Corporation
    Inventors: Laurent Prouvost, Frederique Kalb, Carolina Dautriche, Pierre Mouget, Christine Aussibal
  • METHOD OF TREATING SUBTERRANEAN RESERVOIRS
    Publication number: 20090159286
    Abstract: A method of fracturing a rock formation is provided including placing through a wellbore penetrating the rock formation propellants in a cavity located at a radial distance from the wellbore and igniting the propellants to cause a pressure sufficient to fracture the formation.
    Type: Application
    Filed: December 21, 2007
    Publication date: June 25, 2009
    Applicant: Schlumberger Technology Corporation
    Inventors: Laurent Prouvost, Bernard Montaron, Claude Vercaemer
  • Apparatus for Measuring an Internal Dimension of a Well Bore
    Publication number: 20080266577
    Abstract: An apparatus for measuring an internal dimension of a well-bore comprising a tool (1) adapted to be positioned inside the well bore. The tool comprises an optical caliper (312) comprising an optical sensor providing a response correlated to the internal dimension of the well bore, the optical sensor being coupled to an optical fiber (311A).
    Type: Application
    Filed: September 20, 2005
    Publication date: October 30, 2008
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Laurent Prouvost, Frederique Kalb, Carolina Dautriche, Pierre Mouget, Christine Aussibal
  • Spectral imaging for downhole fluid characterization
    Publication number: 20070035736
    Abstract: The present invention contemplates implementation of transitory downhole video imaging and/or spectral imaging for the characterization of formation fluid samples in situ, as well as during flow through production tubing, including subsea flow lines, for permanent and/or long term installations. The present invention contemplates various methods and apparatus that facilitate one-time or ongoing downhole fluid characterization by video analysis in real time. The methods and systems may be particularly well suited to permanent and periodic intervention-based operations.
    Type: Application
    Filed: August 15, 2005
    Publication date: February 15, 2007
    Inventors: Stephane Vannuffelen, Ahmed Hammami, Toru Terabayashi, Tsutomu Yamate, Terry Sopkow, John Ratulowski, John Kerr, Francois Auzerais, Robert Schroeder, Jeffrey A. Tarvin, Andrew L. Kurkjian, Laurent Prouvost
  • Matrix treatment process for oil extraction applications
    Patent number: 4862962
    Abstract: The matrix treatment of a subterranean formation is adjusted in real time to minimize formation damage as indicated by the skin factor. The process comprises initial injecting an inert fluid into the formation and observing the variation in injection pressure over time. During the matrix treatment with a treatment fluid, the pressure is again observed over time and, by comparison with the pressure variation noted in the inert fluid injection phase, the skin factor is determined. The treatment parameters are then adjusted in real time to minimize the skin factor thereby minimizing formation damage.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: September 5, 1989
    Assignee: Dowell Schlumberger Incorporated
    Inventors: Laurent Prouvost, Michael I. Economides