Patents by Inventor D. V. Satya Gupta

D. V. Satya Gupta 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).

  • Encapsulations for treating subterranean formations and methods for the use thereof
    Patent number: 5164099
    Abstract: Encapsulations comprised of a breaker enclosed within a membrane are utilized to break fluids used to fracture subterranean formations. The membrane of the encapsulation is permeable to at least one fluid in the subterranean formation or injected with the breaker such that the breaker diffuses through the membrane into the fracturing fluid. Thus, controlled amounts of breaker are released into the fracturing fluid.
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: November 17, 1992
    Assignee: The Western Company of North America
    Inventors: D. V. Satya Gupta, Aidan P. Cooney