Patents by Inventor Alhad Phatak

Alhad Phatak 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).

  • Publication number: 20190218899
    Abstract: A system includes a hydraulic fracturing system including a tank having a slurry and an injector line, where the injector line is disposed between a high-pressure pump and a treatment line to fluidly couple to a wellhead. The system includes a plurality of valves disposed adjacent to the injector line and a control system communicatively coupled to the plurality of valves. The control system fluidly isolates the injector line using the plurality of valves, fills the injector line with an amount of the slurry using a first valve of the plurality of valves, and injects the slurry into the treatment line using a second valve of the plurality of valves.
    Type: Application
    Filed: September 7, 2017
    Publication date: July 18, 2019
    Inventors: Adam Ethan Keilers, Anna Dunaeva, Alhad Phatak, Herbe Gomez Conzatti y Martinez, Garud Bindiganavale Sridhar
  • Publication number: 20190153844
    Abstract: Methods of delivering reactive components to a geological formation disclosed herein include generating a plurality of microholes along a wellbore, the plurality of microholes comprising one or more openings, and the plurality of microholes are configured to connect the wellbore to the geological formation. Methods further include delivering the one or more reactive components to the plurality of microholes via a carrier fluid, wherein the one or more reactive components are configured to enable one or more chemical reactions to occur, and wherein the carrier fluid is configured to expand, and controlling a flow rate of the one or more reactive components based on whether a volume of the one or more reactive components delivered to the plurality of microholes is greater than a threshold volume.
    Type: Application
    Filed: November 20, 2017
    Publication date: May 23, 2019
    Inventors: Alhad Phatak, Garud Bindiganavale Sridhar, Douglas Pipchuk, Dmitriy Potapenko, Dean Michael Willberg, James Ernest Brown
  • Patent number: 10012057
    Abstract: In a method of gravel packing a wellbore in a subterranean formation, the wellbore having a cased section and an uncased section, the method may include pumping into the wellbore a gravel pack composition having gravel and a carrier fluid, where the carrier fluid includes an oleaginous fluid and an inorganic solid aggregator material.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: July 3, 2018
    Assignee: M-I L.L.C.
    Inventors: Balakrishnan Panamarathupalayam, Hui Joyce Zhang, Balkrishna Gadiyar, William E. Foxenberg, Charles Svoboda, Alhad Phatak
  • Publication number: 20180003196
    Abstract: Apparatus and methods for energizing well operations fluids, including a fluid energizing device directly or operatively connected between first and second conduits. The fluid energizing device includes a chamber. A first fluid enters the chamber from the first conduit, and a second fluid enters the chamber from the second conduit and energizes the first fluid within the chamber. A third conduit conducts the energized first fluid from the chamber to a wellhead.
    Type: Application
    Filed: January 11, 2016
    Publication date: January 4, 2018
    Inventors: Jijo Oommen JOSEPH, Jonathan Wun Shiung CHONG, Garud Bindiganavale SRIDHAR, Alhad PHATAK
  • Patent number: 9022111
    Abstract: A method for treating a subterranean formation, including estimating the solubility parameter of a monomer; selecting a solvent based on the parameter; forming a fluid comprising the monomer and solvent; and introducing the fluid to the formation, wherein the formation is about 350° F. or warmer. A method for treating a subterranean formation, including forming a fluid comprising the monomer and solvent, wherein the monomer comprises poly(2-hydroxyethyl methacrylate) and/or poly(2-hydroxyethyl acrylate, and wherein the solvent comprises zinc bromide or calcium bromide or both; and introducing the fluid to the formation, wherein the formation is about 350° F. or warmer.
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: May 5, 2015
    Assignee: Schlumberger Technology Corporation
    Inventors: Alhad Phatak, Carlos Abad
  • Patent number: 8950490
    Abstract: A method of well treatment that includes providing a well treatment composition containing a non-functionalized cellulose material and a halide salt composition containing at least zinc halide, calcium halide or a mixture thereof, and placing the well treatment composition within a wellbore or a subterranean formation, and wherein the halide salt composition dissolves at least a portion of the non-functionalized cellulose material.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: February 10, 2015
    Assignee: Schlumberger Technology Corporation
    Inventors: Alhad Phatak, Carlos Abad
  • Publication number: 20150027701
    Abstract: In a method of gravel packing a wellbore in a subterranean formation, the wellbore having a cased section and an uncased section, the method may include pumping into the wellbore a gravel pack composition having gravel and a carrier fluid, where the carrier fluid includes an oleaginous fluid and an inorganic solid aggregator material.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 29, 2015
    Applicant: M-I L.L.C.
    Inventors: Balakrishnan Panamarathupalayam, Hui Joyce Zhang, Balkrishna Gadiyar, William E. Foxenberg, Charles Svoboda, Alhad Phatak
  • Patent number: 8853135
    Abstract: The invention discloses a method of treating a wellbore by providing an aqueous mixture of a hydrated polysaccharide with a salt; adding to the mixture a cross-linking agent for cross-linking the hydrated polysaccharide, wherein the cross-linking agent comprises a zirconium compound, glutamic acid, and a polyol; pumping the aqueous mixture of the hydrated polysaccharide and the cross-linking agent into the wellbore; and cross-linking the hydrated polysaccharide.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: October 7, 2014
    Assignee: Schlumberger Technology Corporation
    Inventors: Alhad Phatak, Michael D. Parris
  • Publication number: 20140083700
    Abstract: Compositions comprise water, an acrylate monomer or a methacrylate monomer or a combination thereof, a free-radical polymerization initiator and a water-soluble bromide salt. Such compositions have utility in the context of remedial cementing, plug cementing in particular. The compositions may be pumped into a subterranean well, where they polymerize and form a support on which a cement plug may sit. The support may maintain the position of the cement plug in the wellbore and minimize cement-plug contamination.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 27, 2014
    Applicant: Schlumberger Technology Corporation
    Inventors: Alhad Phatak, Carlos Abad
  • Publication number: 20130220607
    Abstract: Described herein is a method of well treatment that includes providing a well treatment composition containing a non-functionalized cellulose material and a halide salt composition containing at least zinc halide, calcium halide or a mixture thereof, and placing the well treatment composition within a wellbore or a subterranean formation, and wherein the halide salt composition dissolves at least a portion of the non-functionalized cellulose material.
    Type: Application
    Filed: February 28, 2012
    Publication date: August 29, 2013
    Inventors: Alhad Phatak, Carlos Abad
  • Patent number: 8354360
    Abstract: A method of treating a subterranean formation with a xanthan-viscosified cesium formate brine wherein the pH and/or another characteristic selected from density, xanthan loading, sodium formate loading, potassium formate loading and combinations thereof are modified to delay solid hydrogel formation and maintain pumpability. Also disclosed is a method of delaying onset of solid hydrogel formation, in a gel comprising cesium formate brine viscosified with xanthan polymer, comprises introducing acid into the brine in an amount effective for a pH from 7 to 11, wherein the acid introduction is before, during or after xanthan viscosification and prior to hydrogel formation, wherein the hydrogel formation in the acidified gel occurs at a later time relative to the same gel at a natural pH.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: January 15, 2013
    Assignee: Schlumberger Technology Corporation
    Inventor: Alhad Phatak
  • Publication number: 20120285688
    Abstract: A method for treating a subterranean formation, including estimating the solubility parameter of a monomer; selecting a solvent based on the parameter; forming a fluid comprising the monomer and solvent; and introducing the fluid to the formation, wherein the formation is about 350° F. or warmer. A method for treating a subterranean formation, including forming a fluid comprising the monomer and solvent, wherein the monomer comprises poly(2-hydroxyethyl methacrylate) and/or poly(2-hydroxyethyl acrylate, and wherein the solvent comprises zinc bromide or calcium bromide or both; and introducing the fluid to the formation, wherein the formation is about 350° F. or warmer.
    Type: Application
    Filed: May 9, 2011
    Publication date: November 15, 2012
    Inventors: Alhad Phatak, Carlos Abad
  • Publication number: 20120111567
    Abstract: Methods and apparatus for using a fluid within a subterranean formation, including forming a fluid comprising an acrylamide copolymer and a formate salt, and introducing the fluid to the subterranean formation, wherein a temperature of the formation is about 149° C. or warmer. Also, methods and apparatus for a fluid for use within a subterranean formation, including an acrylamide copolymer comprising polyacrylamide, a formate salt comprising potassium, and a crosslinker comprising zirconium. Additionally, methods and apparatus for using a fluid within in a subterranean formation, including forming a fluid comprising an acrylamide copolymer and a formate salt, and introducing proppant into the fluid to form a mixture, introducing the mixture to the subterranean formation, wherein a temperature of the formation is about 149° C. or warmer.
    Type: Application
    Filed: November 9, 2010
    Publication date: May 10, 2012
    Inventors: Lijun Lin, Alhad Phatak, Leiming Li, Carlos Abad
  • Publication number: 20110245113
    Abstract: A method of treating a subterranean formation with a xanthan-viscosified cesium formate brine wherein the pH and/or another characteristic selected from density, xanthan loading, sodium formate loading, potassium formate loading and combinations thereof are modified to delay solid hydrogel formation and maintain pumpability. Also disclosed is a method of delaying onset of solid hydrogel formation, in a gel comprising cesium formate brine viscosified with xanthan polymer, comprises introducing acid into the brine in an amount effective for a pH from 7 to 11, wherein the acid introduction is before, during or after xanthan viscosification and prior to hydrogel formation, wherein the hydrogel formation in the acidified gel occurs at a later time relative to the same gel at a natural pH.
    Type: Application
    Filed: April 1, 2010
    Publication date: October 6, 2011
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Alhad Phatak
  • Patent number: 8030254
    Abstract: A method includes providing a wellbore treatment fluid having a divalent brine and an amount of polymer and lowering a pH value of the treatment fluid. The method further includes retaining the treatment fluid at the lower pH value until the polymer achieves a primary hydration value. The method further includes adding a cross-linking agent and a cross-linking delay agent to the treatment fluid. The cross-linking agent includes zirconium and/or titanium, and the cross-linking delay agent is a polyol. The method further includes performing a wellbore treatment with the treatment fluid.
    Type: Grant
    Filed: October 6, 2009
    Date of Patent: October 4, 2011
    Assignee: Schlumberger Technology Corporation
    Inventors: Alhad Phatak, Yenny Christanti, Carlos Abad, Balkrishna Gadiyar
  • Publication number: 20100130388
    Abstract: The invention discloses a method of treating a wellbore by providing an aqueous mixture of a hydrated polysaccharide with a salt; adding to the mixture a cross-linking agent for cross-linking the hydrated polysaccharide, wherein the cross-linking agent comprises a zirconium compound, glutamic acid, and a polyol; pumping the aqueous mixture of the hydrated polysaccharide and the cross-linking agent into the wellbore; and cross-linking the hydrated polysaccharide.
    Type: Application
    Filed: December 21, 2009
    Publication date: May 27, 2010
    Inventors: Alhad Phatak, Michael D. Parris
  • Publication number: 20100093565
    Abstract: A method includes providing a wellbore treatment fluid having a divalent brine and an amount of polymer and lowering a pH value of the treatment fluid. The method further includes retaining the treatment fluid at the lower pH value until the polymer achieves a primary hydration value. The method further includes adding a cross-linking agent and a cross-linking delay agent to the treatment fluid. The cross-linking agent includes zirconium and/or titanium, and the cross-linking delay agent is a polyol. The method further includes performing a wellbore treatment with the treatment fluid.
    Type: Application
    Filed: October 6, 2009
    Publication date: April 15, 2010
    Inventors: Alhad Phatak, Yenny Christanti, Carlos Abad, Balkrishna Gadiyar
  • Publication number: 20090048126
    Abstract: A method of treating a subterranean formation penetrated by a wellbore is carried out by providing a treatment fluid comprising a hydratable polymer, a divalent metal salt in an amount of at least about 0.25 mol/L and an aluminum crosslinking agent. The fluid is provided with a pH of from about 5 or higher. The treatment fluid may be caused to contact the formation by introducing the fluid into the wellbore. The fluid may optionally contain a polyol.
    Type: Application
    Filed: July 21, 2008
    Publication date: February 19, 2009
    Inventors: Alhad Phatak, Michael D. Parris, Yenny Christanti, Balkrishna Gadiyar, Philip F. Sullivan, Carlos Abad