Patents by Inventor Michael W. Conway

Michael W. Conway 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).

  • Apparatus and method for measuring crush-resistance of granular materials
    Patent number: 7562583
    Abstract: Apparatus and method are provided for loading a cell for testing crush-resistance of a proppant or other granular material. The apparatus includes a rod valve and one or two screens selected to allow proppant to pluviate into the cell. Stress may be applied to the cell and the amount of proppant crushed by the stress may be measured. Measurements may be repeated to produce mean and variance values. Screen sizes may be varied to select sizes to minimize variance of measurements.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: July 21, 2009
    Assignee: Stim-Lab, Inc.
    Inventors: Michael W. Conway, Ronnie L. Gregston, Nick L. Moore, Melissa Y. Walkingstick
  • Apparatus and method for measuring crush-resistance of granular materials
    Publication number: 20080060444
    Abstract: Apparatus and method are provided for loading a cell for testing crush-resistance of a proppant or other granular material. The apparatus includes a rod valve and one or two screens selected to allow proppant to pluviate into the cell. Stress may be applied to the cell and the amount of proppant crushed by the stress may be measured. Measurements may be repeated to produce mean and variance values. Screen sizes may be varied to select sizes to minimize variance of measurements.
    Type: Application
    Filed: August 7, 2006
    Publication date: March 13, 2008
    Inventors: Michael W. Conway, Ronnie L. Gregston, Nick L. Moore, Melissa Y. Walkingstick
  • Stimulation of coalbed methane production
    Patent number: 5470823
    Abstract: A coalbed formation is stimulated to improve the recovery of methane which involves injecting into the coalbed formation an aqueous acid solution containing an organic amphoteric tertiary ammonium compound having from 1 to 3 tertiary ammonium groups, each N of which contains at least one C.sub.3 to C.sub.4 unsaturated carboxylic acid group, and wherein the compound contains a terminal benzyl or C.sub.5 -C.sub.19 alkyl group.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: November 28, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Dennis A. Williams, James R. Looney, Michael W. Conway, Robert A. Swenson
  • Method for fracturing subterranean formations
    Patent number: 4553601
    Abstract: The present invention relates to a thermally stable crosslinked gel fracturing fluid for use in the treatment of subterranean formations penetrated by a well bore. The fracturing fluid comprises an aqueous liquid, a gelling agent comprising a selected modified cellulose ether, a crosslinking agent and any additional additives that may be present. The fracturing fluid is thermally stable under shear at temperatures in excess of about 200.degree. F.
    Type: Grant
    Filed: September 26, 1984
    Date of Patent: November 19, 1985
    Assignee: Halliburton Company
    Inventors: Stephen W. Almond, Michael W. Conway
  • Method and compositions for fracturing subterranean formations
    Patent number: 4502967
    Abstract: An aqueous gel containing a retarded crosslinking composition comprising an organotitanate chelate, polyhydroxyl-containing compound and an aqueous fluid. The gel is useful for fracturing and placing propping agents within a subterranean formation. The gel has a high viscosity in the formation and has pumping characteristics in turbulent flow similar to those of the base gel.
    Type: Grant
    Filed: May 8, 1984
    Date of Patent: March 5, 1985
    Assignee: Halliburton Company
    Inventor: Michael W. Conway
  • Method and compositions for fracturing subterranean formations
    Patent number: 4470915
    Abstract: An aqueous gel containing a crosslinking agent comprising an organotitanate chelate and a retarding agent which delays crosslinking of the gel. This retarding agent comprises a selected polyhydroxycarboxylic acid having from 3 to 7 carbon atoms. The gel is useful for fracturing and placing propping agents within a subterranean formation. The gel has a high viscosity in the formation and has pumping characteristics in turbulent flow similar to those of water.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: September 11, 1984
    Assignee: Halliburton Company
    Inventor: Michael W. Conway
  • Method and compositions for fracturing subterranean formations
    Patent number: 4462917
    Abstract: An aqueous gel containing a retarded crosslinking composition comprising an organotitanate chelate, polyhydroxyl-containing compound and an aqueous fluid. The gel is useful for fracturing and placing propping agents within a subterranean formation. The gel has a high viscosity in the formation and has pumping characteristics in turbulent flow similar to those of the base gel.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: July 31, 1984
    Assignee: Halliburton Company
    Inventor: Michael W. Conway
  • Method of treating subterranean formations utilizing foamed viscous fluids
    Patent number: 4453596
    Abstract: A method of treating a subterranean formation penetrated by a well bore comprising injecting a gelled foamed fluid into said formation. The gelled foamed fluid is prepared by foaming an admixture of a fluid and a surface active foaming agent and admixing the foamed fluid with a gelled fluid whereby the foamed fluid is diluted by the gel to form the gelled foamed fluid.
    Type: Grant
    Filed: February 14, 1983
    Date of Patent: June 12, 1984
    Assignee: Halliburton Company
    Inventors: Michael W. Conway, Lewis R. Norman