Patents by Inventor Mohan K. R. Panga
Mohan K. R. Panga 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).
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Publication number: 20130264055Abstract: A method of fracturing a subterranean formation comprising at least in part shale formation, comprises providing a carrier fluid; providing a particulate blend including a first amount of particulates having a first average particle size between about 100 and 2000 microns and a second amount of particulates having a second average particle size between about three and twenty times smaller than the first average particle size, such that a packed volume fraction of the particulate blend exceeds 0.75; combining the carrier fluid and the particulate blend into a fracturing slurry; fracturing the formation with the fracturing slurry to create at least a fracture; and removing the second amount of particulates from the fracture.Type: ApplicationFiled: June 6, 2013Publication date: October 10, 2013Inventors: Ryan Hartman, Mohan K.R. Panga, Bruno Drochon, John W. Still
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Publication number: 20130220619Abstract: The invention discloses a method for use in a wellbore, comprising: providing a first fluid comprising at least a first type of particulate material having a first average particle size and a second type of particulate material having a second average particle size, wherein first average particle size is smaller than second average particle size; providing a second fluid comprising at least a third type of particulate material having a third average particle size and a fourth type of particulate material having a fourth average particle size, wherein third average particle size is smaller than fourth average particle size; and introducing the first fluid into the wellbore subsequently followed by introducing the second fluid into the wellbore, wherein the third average particle size is substantially equal to the second average particle size.Type: ApplicationFiled: May 6, 2011Publication date: August 29, 2013Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Yiyan Chen, Hongren Gu, Xiaowei Weng, Peter J. Photos, Mohan K.R. Panga
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Patent number: 8511381Abstract: A system and method are disclosed for low damage gravel packing. The system comprises a well bore; a gravel packing slurry comprising a carrier fluid and a solids mixture, wherein the solids mixture comprises a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75, wherein the solids mixture comprises at least a proppant PSD mode and a fines PSD mode; a pump to circulate the slurry in the wellbore and form a proppant pack; and a dispersant source effective to facilitate fines flowback from the pack. The method comprises circulating the slurry through a wellbore to form a proppant pack; contacting fines in the pack with a dispersant; and passing fluid through the pack to remove fines from the pack.Type: GrantFiled: June 30, 2010Date of Patent: August 20, 2013Assignee: Schlumberger Technology CorporationInventors: Mohan K. R. Panga, Balkrishna Gadiyar, Bruno Drochon, John W. Still
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Publication number: 20130199782Abstract: A technique includes completing a well, including installing a tubing string that includes a screen in the well and installing a fiber-based material outside of the screen. The technique further includes using the well as an injection well, including communicating a fluid into the tubing string to cause an injection flow to be communicated in a fluid flow path from an interior of the tubing string, through the screen and into a formation.Type: ApplicationFiled: August 6, 2012Publication date: August 8, 2013Inventors: Konstantin Viktorovich Vidma, Mohan K. R. Panga, Balkrishna Gadiyar, Alexander Alexandrovich Burukhin, Ivan Sergeyevich Glaznev, Raymond J. Tibbles, Michael J. Fuller
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Patent number: 8496056Abstract: A method of fracturing a subterranean formation comprising at least in part shale formation, comprises providing a carrier fluid; providing a particulate blend including a first amount of particulates having a first average particle size between about 100 and 2000 microns and a second amount of particulates having a second average particle size between about three and twenty times smaller than the first average particle size, such that a packed volume fraction of the particulate blend exceeds 0.75; combining the carrier fluid and the particulate blend into a fracturing slurry; fracturing the formation with the fracturing slurry to create at least a fracture; and removing the second amount of particulates from the fracture.Type: GrantFiled: August 30, 2010Date of Patent: July 30, 2013Assignee: Schlumberger Technology CorporationInventors: Ryan Hartman, Mohan K. R. Panga, Bruno Drochon, John W. Still
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Patent number: 8490698Abstract: A composition and method are disclosed. The composition includes a carrier fluid and a solids mixture combined to form a slurry, wherein the solids mixture comprises a plurality of volume-averaged particle size distribution (PSD) modes, wherein a first PSD mode comprises solids having a volume-average median size at least three times larger than the volume-average median size of a second PSD mode such that a packed volume fraction of the solids mixture exceeds 0.75, and wherein the solids mixture comprises a degradable material and includes a reactive solid. The method includes circulating the slurry through a wellbore to form a pack in a fracture and/or a screen-wellbore annulus; degrading the degradable material to increase porosity and permeability of the pack; and producing a reservoir fluid through the permeable pack.Type: GrantFiled: June 30, 2010Date of Patent: July 23, 2013Assignee: Schlumberger Technology CorporationInventors: Mohan K. R. Panga, Peter J. Photos, Bruno Drochon, John W. Still, Balkrishna Gadiyar, Ryan Hartman, Bryan Stamm
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Patent number: 8490699Abstract: A method and system are disclosed for low damage gravel packing. The method comprises: combining a carrier fluid and a solids mixture into a slurry, wherein the solids mixture comprises a plurality of particle size distribution modes such that a packed volume fraction exceeds 0.75; contacting a screen with leak-off control agent to form a bridge; positioning the screen and circulating the slurry through the wellbore in any order such that the solids mixture is deposited between the screen and the wellbore; degrading the degradable material to increase porosity and permeability of the pack; removing the bridge; and producing a reservoir fluid from the formation. The system comprises the slurry, a tubing string and slurry pump to position the screen and circulate the slurry to form the bridge on the screen.Type: GrantFiled: June 30, 2010Date of Patent: July 23, 2013Assignee: Schlumberger Technology CorporationInventors: Mohan K. R. Panga, Peter J. Photos, John W. Still, Balkrishna Gadiyar, Bruno Drochon, Bryan Stamm
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Publication number: 20120305254Abstract: A method of treating a subterranean formation of a well bore comprises providing a treatment fluid comprising a carrier fluid, a particulate material, a surfactant and micelles, wherein micelles are stabilized by the surfactant and act as particles in the treatment fluid; and introducing the treatment fluid into the wellbore.Type: ApplicationFiled: June 6, 2011Publication date: December 6, 2012Inventors: Yiyan Chen, Anthony Loiseau, Mohan K.R. Panga
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Publication number: 20120247764Abstract: A method of placing proppant into a fracture formed in a subterranean formation from a wellbore is disclosed. The method comprises injecting through the wellbore a first treatment fluid to initiate the fracture in the subterranean formation; injecting through the wellbore a second treatment fluid comprising a particulate blend slurry made of proppant; the particulate blend comprising at least a first amount of particulates having a first average particle size between about 100 and 5000 ?m and at least a second amount of particulates having a second average particle size between about three and twenty times smaller than the first average particle size; and forming with the particulate blend slurry a plurality of proppant-rich clusters spaced apart by proppant-free regions forming open channels.Type: ApplicationFiled: March 28, 2011Publication date: October 4, 2012Inventors: Mohan K.R. Panga, Yiyan Chen, Moin Muhammad
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Patent number: 8210249Abstract: A method is disclosed for low damage gravel packing. The method includes combining a carrier fluid, a first amount of particulates, and a second amount of particulates into a slurry. The first amount of particulates have a first average size distribution and the second amount of particulates have a second average size distribution, and the first average size distribution is at least three times larger than the second average size distribution. The slurry includes particles which are at least partially degradable material, and with reactive solid constituents. The reactive solid reacts with the degradable material and/or a hydrolysis product of the degradable material. The method further includes positioning a screen in a wellbore, and circulating the slurry through the wellbore such that the first amount of particulates and the second amount of particulates are deposited on an outer surface of the screen.Type: GrantFiled: July 13, 2011Date of Patent: July 3, 2012Assignee: Schlumberger Technology CorporationInventors: Mohan K. R. Panga, Balkrishna Gadiyar, Ryan Hartman, Bruno Drochon, John W. Still, Bryan Stamm
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Publication number: 20120138296Abstract: A slurry and method are disclosed for low damage gravel packing. The slurry comprises a solids mixture comprising a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75; a carrier fluid in an amount to provide a solids volume fraction (SVF) less than the PVF of the solids mixture; and a stability additive to inhibit settling of the solids mixture. The method comprises circulating the slurry into a wellbore to deposit the slurry downhole; terminating the slurry circulation for a period of time, wherein the stability additive inhibits settling of the solids mixture; and thereafter circulating the deposited slurry in contact with a surface of a screen. Stability additives disclosed include colloidal particles, hydratable polymer particles, and particles having an aspect ratio above 6.Type: ApplicationFiled: February 14, 2012Publication date: June 7, 2012Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Mohan K.R. Panga, Philip F. Sullivan, Balkrishna Gadiyar, Ryan Hartman, Bruno Drochon, John W. Still, Bryan Stamm
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Publication number: 20120132421Abstract: A composition, treatment fluid and method using hydrolyzable fines. A treatment fluid, which may optionally include a high solids content fluid (HSCF) and/or an Apollonianistic solids mixture, includes a fluid loss control agent comprising a dispersion of hydrolyzable fines, optionally with one or more of a surfactant, plasticizer, dispersant, degradable particles, reactive particles and/or submicron particles selected from silicates, ?-alumina, MgO, ?-Fe2O3, TiO2, and combinations thereof.Type: ApplicationFiled: November 11, 2011Publication date: May 31, 2012Inventors: Anthony Loiseau, Yiyan Chen, Mohan K.R. Panga
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Patent number: 8119574Abstract: A slurry and method are disclosed for low damage gravel packing. The slurry comprises a solids mixture comprising a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75; a carrier fluid in an amount to provide a solids volume fraction (SVF) less than the PVF of the solids mixture; and a stability additive to inhibit settling of the solids mixture. The method comprises circulating the slurry into a wellbore to deposit the slurry downhole; terminating the slurry circulation for a period of time, wherein the stability additive inhibits settling of the solids mixture; and thereafter circulating the deposited slurry in contact with a surface of a screen. Stability additives disclosed include colloidal particles, hydratable polymer particles, and particles having an aspect ratio above 6.Type: GrantFiled: June 30, 2010Date of Patent: February 21, 2012Assignee: Schlumberger Technology CorporationInventors: Mohan K. R. Panga, Philip F. Sullivan, Balkrishna Gadiyar, Ryan Hartman, Bruno Drochon, John W. Still, Bryan Stamm
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Publication number: 20120000651Abstract: A method includes providing a slurry comprising a carrier fluid and a solids mixture, and injecting said slurry in a wellbore wherein the solids mixture comprises at least two volume-averaged particle size distribution (PSD) modes, wherein a first PSD mode comprises solids having a volume-average median size at least three times larger than the volume-average median size of a second PSD mode such that a packed volume fraction (PVF) of the solids mixture exceeds 0.75.Type: ApplicationFiled: June 30, 2010Publication date: January 5, 2012Inventors: Mohan K.R. Panga, Peter J. Photos, Bruno Drochon, John W. Still, Mehmet Parlar, Balkrishna Gadiyar, Dinesh R. Patel, Graham M. Watson
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Publication number: 20120000653Abstract: A system and method are disclosed for low damage gravel packing. The system comprises a well bore; a gravel packing slurry comprising a carrier fluid and a solids mixture, wherein the solids mixture comprises a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75, wherein the solids mixture comprises at least a proppant PSD mode and a fines PSD mode; a pump to circulate the slurry in the wellbore and form a proppant pack; and a dispersant source effective to facilitate fines flowback from the pack. The method comprises circulating the slurry through a wellbore to form a proppant pack; contacting fines in the pack with a dispersant; and passing fluid through the pack to remove fines from the pack.Type: ApplicationFiled: June 30, 2010Publication date: January 5, 2012Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Mohan K. R. Panga, Balkrishna Gadiyar, Bruno Drochon, John W. Still
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Publication number: 20110308802Abstract: This invention relates to compositions and methods A method of treating a subterranean formation including forming a fluid comprising zein, and introducing the fluid to a subterranean formation. A method of treating a subterranean formation comprising a wellbore, including introducing a tubular to the wellbore wherein the tubular comprises zein.Type: ApplicationFiled: June 17, 2010Publication date: December 22, 2011Inventors: Hemant K.J. Ladva, Carlos Abad, Mohan K.R. Panga, Gregory Kubala
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Publication number: 20110265985Abstract: A method is disclosed for low damage gravel packing. The method includes combining a carrier fluid, a first amount of particulates, and a second amount of particulates into a slurry. The first amount of particulates have a first average size distribution and the second amount of particulates have a second average size distribution, and the first average size distribution is at least three times larger than the second average size distribution. The slurry includes particles which are at least partially degradable material, and with reactive solid constituents. The reactive solid reacts with the degradable material and/or a hydrolysis product of the degradable material. The method further includes positioning a screen in a wellbore, and circulating the slurry through the wellbore such that the first amount of particulates and the second amount of particulates are deposited on an outer surface of the screen.Type: ApplicationFiled: July 13, 2011Publication date: November 3, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Mohan K. R. Panga, Balkrishna Gadiyar, Ryan Hartman, Bruno Drochon, John W. Still, Bryan Stamm
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Publication number: 20110247812Abstract: An apparatus and a method for treating a subterranean formation penetrated by a wellbore comprising combining a carrier fluid, a first amount of particulates, and a second amount of particulates into a slurry, wherein the first amount of particulates have a first average size distribution and the second amount of particulates have a second average size distribution, wherein the first amount of particulates comprise an expanding material, placing the slurry in the wellbore, and lowering a screen into the slurry.Type: ApplicationFiled: April 12, 2010Publication date: October 13, 2011Inventors: Mohan K.R. Panga, Nitin Y. Vaidya, Bruno Drochon, Juan-Carlos Santamaria, Isabelle Couillet, Peter J. Photos, John W. Still, Balkrishna Gadiyar
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Patent number: 8016040Abstract: A fluid loss control method uses a fluid loss control pill in a well in advance of a completion operation. An embodiment of the fluid loss control pill comprises polyester solids that are hydrolysable and can exhibit plastic deformation at formation conditions. An embodiment of the method comprises spotting the fluid loss control pill in the well adjacent to a formation to form a filtercake to inhibit fluid entry from the well into the formation, performing a completion operation comprising contacting the filtercake with overbalanced wellbore fluid, and degrading the filtercake wherein the polyester particles are hydrolyzed to remove formation damage.Type: GrantFiled: November 26, 2008Date of Patent: September 13, 2011Assignee: Schlumberger Technology CorporationInventors: Syed Ali, Mohan K. R. Panga, John W. Still, Gary John Tustin, Balkrishna Gadiyar
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Patent number: 8008234Abstract: A gravel packing system, method and slurry. The system comprises a blending device to prepare a slurry comprising a carrier fluid suspending first, second and third particulates, wherein the carrier fluid comprises a brine and less than about 2.4 g/L (20 lb per 1000 gallons) of a viscosifier, and wherein the sum of the mass of the particulates is greater than about 2.4 kg/L (20 pounds per gallon), wherein the first average particle volume is between 27 and 3375 times larger than the second average particle volume, which in turn is between 27 and 3375 times larger than the third average particle volume. The system can also include tubing to position a screen in the wellbore and a slurry pump to circulate the slurry from the blending device in the wellbore in any order such that the particulates are deposited in the screen annulus to form a gravel pack.Type: GrantFiled: June 16, 2010Date of Patent: August 30, 2011Assignee: Schlumberger Technology CorporationInventors: Mohan K. R. Panga, Balkrishna Gadiyar, Ryan Hartman, Bruno Drochon, John W. Still, Bryan Stamm