Patents by Inventor Kyriacos Agapiou

Kyriacos Agapiou 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).

  • Patent number: 11365341
    Abstract: A method of servicing a wellbore in a formation comprising circulating in the wellbore a wellbore servicing fluid wherein an equivalent circulating density of the wellbore servicing fluid is from about 1% to about 15% greater than a fracture pressure of the formation, and introducing to the wellbore a balloon-inhibiting tunable spacer (BITS) fluid wherein at least about 1 wt. % of the BITS fluid is retained by the formation.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: June 21, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Kyriacos Agapiou, Paul Michael Osborne, Ganesh Shriniwas Pangu
  • Patent number: 11352543
    Abstract: Cement compositions for primary cementing of well bores where a liquid mixture of pre-hydrated cementitious particles are combined with cement particles to form a cement composition.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: June 7, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Thomas Jason Pisklak, Pauline Akinyi Otieno, Kyriacos Agapiou, Samuel Jason Lewis
  • Publication number: 20220098467
    Abstract: The present disclosure provides methods, compositions, and systems embodying cement compositions and the synergistic effect of lost circulation materials (LCMs) and fluid loss control additives (FLCAs) thereupon for cementing subterranean zones. A method of subterranean well cementing, comprising providing a cement composition comprising a hydraulic cement, a first FLCA, an LCM, and water, wherein the first FLCA comprises a water-soluble polymer with repeating units comprising a 5- to 6-membered cyclic amide; introducing the cement composition into a wellbore penetrating a subterranean formation, wherein inclusion of the first FLCA and the LCM in the cement composition fluid reduces fluid loss into the subterranean formation, wherein the subterranean formation has fractures with a width of from about 1 micron to about 800 microns, and wherein the subterranean formation has a permeability of about 1 milliDarcy to about 300 Darcy; and allowing the cement composition to set in the subterranean formation.
    Type: Application
    Filed: December 8, 2021
    Publication date: March 31, 2022
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Samuel Jason Lewis, Kyriacos Agapiou, Ganesh Shriniwas Pangu
  • Patent number: 11225596
    Abstract: The present disclosure provides methods, compositions, and systems embodying cement compositions and the synergistic effect of lost circulation materials (LCMs) and fluid loss control additives (FLCAs) thereupon for cementing subterranean zones. A method of subterranean well cementing, comprising providing a cement composition comprising a hydraulic cement, a first FLCA, an LCM, and water, wherein the first FLCA comprises a water-soluble polymer with repeating units comprising a 5- to 6-membered cyclic amide; introducing the cement composition into a wellbore penetrating a subterranean formation, wherein inclusion of the first FLCA and the LCM in the cement composition fluid reduces fluid loss into the subterranean formation, wherein the subterranean formation has fractures with a width of from about 1 micron to about 800 microns, and wherein the subterranean formation has a permeability of about 1 milliDarcy to about 300 Darcy; and allowing the cement composition to set in the subterranean formation.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: January 18, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Samuel Jason Lewis, Kyriacos Agapiou, Ganesh Shriniwas Pangu
  • Publication number: 20210371722
    Abstract: A method of servicing a wellbore in a formation comprising circulating in the wellbore a wellbore servicing fluid wherein an equivalent circulating density of the wellbore servicing fluid is from about 1% to about 15% greater than a fracture pressure of the formation, and introducing to the wellbore a balloon-inhibiting tunable spacer (BITS) fluid wherein at least about 1 wt. % of the BITS fluid is retained by the formation.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 2, 2021
    Inventors: Sandip Prabhakar PATIL, Kyriacos AGAPIOU, Paul Michael OSBORNE, Ganesh Shriniwas PANGU
  • Patent number: 11124452
    Abstract: The present disclosure relates to a method of cementing comprising: providing a cement composition comprising: water, a cement, and a non-aqueous liquid anti-shrinkage cement additive comprising calcined magnesium oxide and a non-aqueous liquid; introducing the cement composition into a subterranean formation; and allowing the cement composition to set in the subterranean formation. Non-aqueous liquid anti-shrinkage cement additives, cement compositions, and systems are also provided.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: September 21, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Samuel J Lewis, Thomas Singh Sodhi, Kyriacos Agapiou, Aleksey Kolasnikov
  • Patent number: 10995253
    Abstract: Lithium-containing cement admixtures including a calcium aluminate phosphate cement; a lithium-ion-containing compound; and an aqueous base fluid and methods of introducing the lithium-containing cement admixtures into a subterranean formation. The lithium-containing cement admixtures may further comprise an aluminosilicate or an additive including a set retarder, a set accelerator, a suspension aid, a density reducing agent, a fluid loss control agent, a defoamer, and any combination thereof.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: May 4, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Kyriacos Agapiou, Samuel J. Lewis
  • Patent number: 10988661
    Abstract: Methods, compositions, and systems for treating a well are included. A method comprises introducing a treatment fluid comprising a calcium aluminate cement, a cement set retarder, and water into a wellbore. The method further comprises removing a portion of the treatment fluid from the wellbore.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: April 27, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Samuel J. Lewis, Kyriacos Agapiou, Thomas Jason Pisklak
  • Patent number: 10982127
    Abstract: A method including introducing a well cementing composition into a wellbore, the cementing composition including a pumpable slurry of cement comprising a liquid anti-shrinkage additive including: an aqueous base fluid; a calcined magnesium oxide; and an anti-hydration agent; and allowing at least a portion of the cementing composition to harden. A liquid anti-shrinkage additive for cement including an aqueous base fluid, a calcined magnesium oxide, and an anti-hydration agent.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: April 20, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Thomas Singh Sodhi, Kyriacos Agapiou, Aleksey Kolasnikov, Sam J. Lewis
  • Publication number: 20210087459
    Abstract: The present disclosure provides methods, compositions, and systems embodying cement compositions and the synergistic effect of lost circulation materials (LCMs) and fluid loss control additives (FLCAs) thereupon for cementing subterranean zones. A method of subterranean well cementing, comprising providing a cement composition comprising a hydraulic cement, a first FLCA, an LCM, and water, wherein the first FLCA comprises a water-soluble polymer with repeating units comprising a 5- to 6-membered cyclic amide; introducing the cement composition into a wellbore penetrating a subterranean formation, wherein inclusion of the first FLCA and the LCM in the cement composition fluid reduces fluid loss into the subterranean formation, wherein the subterranean formation has fractures with a width of from about 1 micron to about 800 microns, and wherein the subterranean formation has a permeability of about 1 milliDarcy to about 300 Darcy; and allowing the cement composition to set in the subterranean formation.
    Type: Application
    Filed: September 25, 2019
    Publication date: March 25, 2021
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Samuel Jason Lewis, Kyriacos Agapiou, Ganesh Shriniwas Pangu
  • Patent number: 10927288
    Abstract: Various embodiments disclosed relate to cement activator compositions for treatment of subterranean formations. In various embodiments, the present invention provides a method of treating a subterranean formation including placing in the subterranean formation a liquid cement activator composition including water, an alkali sulfate salt, a polyphosphate salt, and a stabilizer polymer.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: February 23, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Janelle Haydon, Sean William Riggio, Kyriacos Agapiou, Thomas Jason Pisklak, Samuel Lewis
  • Patent number: 10927287
    Abstract: Methods, compositions, and systems for cementing are included. The method comprises providing an extended-life calcium aluminophosphate cement composition comprising calcium aluminate cement, a polyphosphate, water, and a cement set retarder. The method further comprises mixing the extended-life calcium aluminophosphate cement composition with a cement set activator to activate the extended-life calcium aluminophosphate cement composition, introducing the activated extended-life calcium aluminophosphate cement composition into a subterranean formation, and allowing the activated extended-life calcium aluminophosphate cement composition to set in the subterranean formation.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: February 23, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Kyriacos Agapiou, Samuel J. Lewis, Thomas Jason Pisklak
  • Patent number: 10894911
    Abstract: Methods, compositions, and systems for cementing are included. The method comprises providing a cement composition comprising calcium-aluminate cement, water, a cement set retarder, and a cement set activator. The method further comprises introducing the cement composition into a subterranean formation and allowing the cement composition to set in the subterranean formation. The cement composition has a thickening time of about two hours or longer.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: January 19, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Thomas Jason Pisklak, Kyriacos Agapiou, Samuel J. Lewis
  • Patent number: 10883034
    Abstract: Embodiments relate to the use of alkali aluminates and alkali silicates with cement kiln dust to form a settable composition for use in subterranean operations. An embodiment provides a method comprising: introducing a settable composition comprising cement kiln dust, an alkali aluminate, an alkali silicate, and an aqueous carrier fluid into a subterranean formation; and allowing the settable composition to set and thereby reduce fluid flow through a portion of the subterranean formation.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: January 5, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Kyriacos Agapiou, Thomas Jason Pisklak
  • Patent number: 10829678
    Abstract: Methods and systems for the treatment of wells are disclosed. A method for treating a well comprises providing a treatment fluid comprising calcium-aluminate cement, water, and a cement set retarder; and introducing the treatment fluid into a wellbore. A system for treating a well comprises a treatment fluid comprising calcium-aluminate cement, water, and a cement set retarder; a vessel to contain the treatment fluid; a pumping system coupled to the vessel to pump the treatment fluid; and a conduit coupled to the pumping system.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: November 10, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Ronnie Glen Morgan, Kyriacos Agapiou, Samuel J. Lewis, Thomas Jason Pisklak
  • Publication number: 20200317574
    Abstract: The present disclosure relates to a method of cementing comprising: providing a cement composition comprising: water, a cement, and a non-aqueous liquid anti-shrinkage cement additive comprising calcined magnesium oxide and a non-aqueous liquid; introducing the cement composition into a subterranean formation; and allowing the cement composition to set in the subterranean formation. Non-aqueous liquid anti-shrinkage cement additives, cement compositions, and systems are also provided.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Samuel J. Lewis, Thomas Singh Sodhi, Kyriacos Agapiou, Aleksey Kolasnikov
  • Patent number: 10781355
    Abstract: A variety of cement compositions and methods of using cement compositions in subterranean formations. A method of formulating a cement composition may comprise: surface area of a group of pozzolans, wherein the smallest measured surface area of the group of pozzolans and the largest measured surface area of the group of pozzolans vary by about 50% or greater. The method may further comprise selecting one or more pozzolans from the group of pozzolans. The method may further comprise adding components comprising lime and water to the selected one or more pozzolans to form a cement composition.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: September 22, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Thomas Jason Pisklak, Kyriacos Agapiou
  • Patent number: 10737978
    Abstract: The present disclosure relates to a method of cementing comprising: providing a cement composition comprising: water, a cement, and a non-aqueous liquid anti-shrinkage cement additive comprising calcined magnesium oxide and a non-aqueous liquid; introducing the cement composition into a subterranean formation; and allowing the cement composition to set in the subterranean formation. Non-aqueous liquid anti-shrinkage cement additives, cement compositions, and systems are also provided.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: August 11, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Samuel J Lewis, Thomas Singh Sodhi, Kyriacos Agapiou, Aleksey Kolasnikov
  • Patent number: 10717916
    Abstract: Systems and methods for modifying rheology of a cement slurry are described. Systems and methods may include a composition including at least one of: one or more polycarboxylate ethers (PCEs); one or more functionalized polyacrylamide co-polymers; and one or more polysaccharide biopolymers (BP).
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: July 21, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Thomas J. Pisklak, Sam J. Lewis, Peter James Boul, Pauline Akinyi Otieno, Kyriacos Agapiou
  • Patent number: 10717913
    Abstract: A method that includes providing a treatment fluid having an aqueous base fluid and ground drilling cuttings and placing the treatment fluid in a subterranean formation.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: July 21, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Kyriacos Agapiou, Samuel J. Lewis, Thomas Pisklak