Patents by Inventor Juan Carlos Rojas

Juan Carlos Rojas 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).

  • CHEMICAL PURITY ASSESSMENT BY IMAGE ANALYSIS
    Publication number: 20240127483
    Abstract: Systems and methods include a method for determining the purity of a sample. An image capture is performed of a reference material having a known purity and an unknown material having an unknown purity for which a priori information is known, including that the reference material and the unknown material have a same material type. An image comparison of the reference material and the unknown material is performed to determine a color difference vector between an image of the reference material and an image of the unknown material. A purity of the unknown material is determined using the color difference vector.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 18, 2024
    Inventors: Matteo Leoni, Salman J. Al-Khaldi, Rafael M. Pino, Juan Carlos Rojas
  • Prediction and diagnosis of lost circulation in wells
    Patent number: 9091149
    Abstract: In accordance with aspects of the present disclosure, techniques for predicting, classifying, preventing, and remedying drilling fluid circulation loss events are disclosed. Tools for gathering relevant data are disclosed, and techniques for interpreting the resultant data as giving rise to an actual or potential drilling fluid lost circulation event are also disclosed.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: July 28, 2015
    Assignee: BP Corporation North America Inc.
    Inventors: Mark William Alberty, Mark Aston, Juan Carlos Rojas, Randall Sant, Jianguo Zhang
  • PREDICTION AND DIAGNOSIS OF LOST CIRCULATION IN WELLS
    Publication number: 20130299241
    Abstract: In accordance with aspects of the present disclosure, techniques for predicting, classifying, preventing, and remedying drilling fluid circulation loss events are disclosed. Tools for gathering relevant data are disclosed, and techniques for interpreting the resultant data as giving rise to an actual or potential drilling fluid lost circulation event are also disclosed.
    Type: Application
    Filed: May 10, 2012
    Publication date: November 14, 2013
    Applicants: BP EXPLORATION OPERATING COMPANY LIMITED, BP CORPORATION NORTH AMERICA INC.
    Inventors: Mark William Alberty, Mark Aston, Juan Carlos Rojas, Randall Sant, Jianguo Zhang