Patents by Inventor Walter Dee Grant

Walter Dee Grant 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).

  • Modeling hydraulic fracturing induced fracture networks as a dual porosity system
    Patent number: 8731889
    Abstract: A method for calibrating fracture networks. The method includes estimating an average fracture width of a fracture network using one or more of net fracturing pressure, Poisson's ratio, shear modulus, and fracture height; determining microseismic event envelope and base intensity data using a three-dimensional geomodel including microseismic event data; and determining hydraulic fracturing treatment (HFT) fracture intensity of post-hydraulic fracturing treatment (post-HFT) based on the average fracture width and HFT volume data. The method further includes calibrating the base intensity data to the HFT fracture intensity to obtain calibrated HFT fracture intensity, determining a proppant transportation and distribution scenario, and generating a dual porosity reservoir model based on the calibrated HFT fracture intensity and the proppant transportation and distribution scenario.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: May 20, 2014
    Assignee: Schlumberger Technology Corporation
    Inventors: Changan Mike Du, Xu Zhang, Debbie Fullilove, Bradley John Hay, Keith Tushingham, Lang Zhan, Hongren Gu, Joel Herve Le Calvez, Walter Dee Grant
  • MODELING HYDRAULIC FRACTURING INDUCED FRACTURE NETWORKS AS A DUAL POROSITY SYSTEM
    Publication number: 20110257944
    Abstract: A method for calibrating fracture networks. The method includes estimating an average fracture width of a fracture network using one or more of net fracturing pressure, Poisson's ratio, shear modulus, and fracture height; determining microseismic event envelope and base intensity data using a three-dimensional geomodel including microseismic event data; and determining hydraulic fracturing treatment (HFT) fracture intensity of post-hydraulic fracturing treatment (post-HFT) based on the average fracture width and HFT volume data. The method further includes calibrating the base intensity data to the HFT fracture intensity to obtain calibrated HFT fracture intensity, determining a proppant transportation and distribution scenario, and generating a dual porosity reservoir model based on the calibrated HFT fracture intensity and the proppant transportation and distribution scenario.
    Type: Application
    Filed: October 21, 2010
    Publication date: October 20, 2011
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Changan Mike Du, Xu Zhang, Debbie Fullilove, Bradley John Hay, Keith Tushingham, Lang Zhan, Hongren Gu, Joel Herve Le Calvez, Walter Dee Grant