Patents by Inventor John Wakefield
John Wakefield 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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Patent number: 12612827Abstract: A line clamp configuration including a housing, a body attached to the housing, the body having a line contact surface, and a releaser disposed to separate the body from the housing. A control line clamp configuration including a downhole tool housing, an operable component of the downhole tool movable relative to the tool housing, a depending member on the operable component, a clamp body fastened to the housing by the depending member, a control line being releasable by removing the depending member from the clamp body. A control line clamp configuration including a split ring, a clamp body closing the split ring, and a switch to release the clamp body upon receipt of a signal. A borehole system including a borehole in a subsurface formation, a tool in the borehole, a clamp configuration operably connected to the tool.Type: GrantFiled: October 21, 2024Date of Patent: April 28, 2026Assignee: Baker Hughes Oilfield Operations LLCInventors: Aaron C. Hammer, John Wakefield
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Patent number: 12460526Abstract: An inflow control device, including an upstream flow control structure configured to induce water droplet collisions, and a downstream flow control structure disposed downstream of the upstream flow control structure and comprising a channel formed therethrough. A method of controlling flow including flowing a fluid from a source to a destination through an inflow control device comprising an upstream flow control structure and a downstream flow control structure disposed downstream of the upstream flow control structure and comprising a channel formed therethrough, and inducing water droplet collisions in the upstream flow control structure. A wellbore system including a borehole in a subsurface formation, a string disposed in the borehole, and the inflow control device, disposed within or as part of the string.Type: GrantFiled: September 25, 2023Date of Patent: November 4, 2025Assignee: Baker Hughes Oilfield Operations LLCInventor: John Wakefield
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Patent number: 12416225Abstract: A density-based flow control configuration includes a housing and a first baffle having a first flow opening, a second baffle having a second flow opening adjacent the first baffle, one of the baffles being rotationally movable relative to the housing and to the other of the baffles, a first density float associated with the movable baffle, to impart torque to the associated baffle, the torque causing alignment or misalignment of the first and second openings. A method for allowing flow of a target fluid and choking flow of a nontarget fluid, including exposing a density-based flow control configuration to a fluid, imparting torque to a first baffle, and aligning or misaligning an opening in the first baffle with another opening to allow or choke flow of the fluid. A wellbore system, including a density-based flow control configuration.Type: GrantFiled: August 7, 2023Date of Patent: September 16, 2025Assignee: Baker Hughes Oilfield Operations LLCInventors: Ping Duan, Guijun Deng, Zhihui Zhang, John Wakefield, Daniel Ewing
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Patent number: 12410680Abstract: A fluid density valve housing includes a pilot fluid inlet and outlet and a primary fluid inlet and outlet. A shuttle is disposed within the housing. The shuttle comprises a portion having a reference density and a portion defining a cavity fluidically connected to the pilot fluid inlet, the shuttle permitting or denying primary fluid flow depending upon a density of a pilot fluid flowing through the cavity versus the reference density. A method for controlling flow, including comparing density of a pilot flow with a reference density, moving a valve between fully open, fully closed, and choked depending upon the differential density between the pilot fluid and the reference density. A borehole system, including a borehole in a subsurface formation, a string in the borehole, and a fluid density valve disposed within or as a part of the string.Type: GrantFiled: July 11, 2023Date of Patent: September 9, 2025Assignee: Baker Hughes Oilfield Operations LLCInventors: Bin Zhu, Guijun Deng, Daniel Ewing, Zhihui Zhang, Ronnie Russell, John Wakefield
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Patent number: 12326071Abstract: An inflow control device (ICD), including a hydrocyclonic device having a plurality of pressure taps therein and a valve responsive to differential pressure of the plurality of pressure taps. An inflow control device (ICD) including a switch having a primary flow inlet and a primary flow outlet, and a trigger that generates a differential pressure in the trigger due to separation of fluids having different densities. A method for allowing flow of a desired fluid while retarding a flow of undesired fluid in a flow control device, including flowing a pilot fluid through a fluid separator, separating components of the pilot fluid, applying differential pressure of two of the separated components to a valve that is actuated by differential pressure, flowing or retarding flow of a primary flow through the valve in response to the differential pressure.Type: GrantFiled: August 10, 2023Date of Patent: June 10, 2025Assignee: Baker Hughes Oilfield Operations LLCInventors: Zhihui Zhang, Guijun Deng, Bin Zhu, Daniel Ewing, Rowland Moffatt, John Wakefield
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Patent number: 12270276Abstract: An inflow control device includes a first flow control structure that is porous and forms differing flowpaths for water and oil. A method of controlling flow includes flowing a fluid from a source to a destination through the inflow control device, and controlling flow via the first flow control structure such that oil flows through the inflow control device more easily than water. A method of controlling flow includes flowing a fluid from a source to a destination through the inflow control device, and flowing a portion of water in the fluid through the first flow control structure to impinge on an upstream surface of the second flow control structure. A wellbore system includes a borehole in a subsurface formation, a string disposed in the borehole, and the inflow control device disposed within or as part of the string.Type: GrantFiled: September 11, 2023Date of Patent: April 8, 2025Assignee: Baker Hughes Oilfield Operations LLCInventor: John Wakefield
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Publication number: 20250101847Abstract: An inflow control device, including an upstream flow control structure configured to induce water droplet collisions, and a downstream flow control structure disposed downstream of the upstream flow control structure and comprising a channel formed therethrough. A method of controlling flow including flowing a fluid from a source to a destination through an inflow control device comprising an upstream flow control structure and a downstream flow control structure disposed downstream of the upstream flow control structure and comprising a channel formed therethrough, and inducing water droplet collisions in the upstream flow control structure. A wellbore system including a borehole in a subsurface formation, a string disposed in the borehole, and the inflow control device, disposed within or as part of the string.Type: ApplicationFiled: September 25, 2023Publication date: March 27, 2025Inventor: John Wakefield
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Publication number: 20250084725Abstract: An inflow control device includes a first flow control structure that is porous and forms differing flowpaths for water and oil. A method of controlling flow includes flowing a fluid from a source to a destination through the inflow control device, and controlling flow via the first flow control structure such that oil flows through the inflow control device more easily than water. A method of controlling flow includes flowing a fluid from a source to a destination through the inflow control device, and flowing a portion of water in the fluid through the first flow control structure to impinge on an upstream surface of the second flow control structure. A wellbore system includes a borehole in a subsurface formation, a string disposed in the borehole, and the inflow control device disposed within or as part of the string.Type: ApplicationFiled: September 11, 2023Publication date: March 13, 2025Inventor: John Wakefield
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Publication number: 20250052137Abstract: An inflow control device (ICD), including a hydrocyclonic device having a plurality of pressure taps therein and a valve responsive to differential pressure of the plurality of pressure taps. An inflow control device (ICD) including a switch having a primary flow inlet and a primary flow outlet, and a trigger that generates a differential pressure in the trigger due to separation of fluids having different densities. A method for allowing flow of a desired fluid while retarding a flow of undesired fluid in a flow control device, including flowing a pilot fluid through a fluid separator, separating components of the pilot fluid, applying differential pressure of two of the separated components to a valve that is actuated by differential pressure, flowing or retarding flow of a primary flow through the valve in response to the differential pressure.Type: ApplicationFiled: August 10, 2023Publication date: February 13, 2025Inventors: Zhihui Zhang, Guijun Deng, Bin Zhu, Daniel Ewing, Rowland Moffatt, John Wakefield
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Publication number: 20250052136Abstract: A density-based flow control configuration includes a housing and a first baffle having a first flow opening, a second baffle having a second flow opening adjacent the first baffle, one of the baffles being rotationally movable relative to the housing and to the other of the baffles, a first density float associated with the movable baffle, to impart torque to the associated baffle, the torque causing alignment or misalignment of the first and second openings. A method for allowing flow of a target fluid and choking flow of a nontarget fluid, including exposing a density-based flow control configuration to a fluid, imparting torque to a first baffle, and aligning or misaligning an opening in the first baffle with another opening to allow or choke flow of the fluid. A wellbore system, including a density-based flow control configuration.Type: ApplicationFiled: August 7, 2023Publication date: February 13, 2025Inventors: Ping Duan, Guijun Deng, Zhihui Zhang, John Wakefield, Daniel Ewing
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Publication number: 20250043637Abstract: A line clamp configuration including a housing, a body attached to the housing, the body having a line contact surface, and a releaser disposed to separate the body from the housing. A control line clamp configuration including a downhole tool housing, an operable component of the downhole tool movable relative to the tool housing, a depending member on the operable component, a clamp body fastened to the housing by the depending member, a control line being releasable by removing the depending member from the clamp body. A control line clamp configuration including a split ring, a clamp body closing the split ring, and a switch to release the clamp body upon receipt of a signal. A borehole system including a borehole in a subsurface formation, a tool in the borehole, a clamp configuration operably connected to the tool.Type: ApplicationFiled: October 21, 2024Publication date: February 6, 2025Inventors: Aaron C. Hammer, John Wakefield
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Patent number: 12203327Abstract: A line clamp configuration including a housing, a body attached to the housing, the body having a line contact surface, and a releaser disposed to separate the body from the housing. A control line clamp configuration including a downhole tool housing, an operable component of the downhole tool movable relative to the tool housing, a depending member on the operable component, a clamp body fastened to the housing by the depending member, a control line being releasable by removing the depending member from the clamp body. A control line clamp configuration including a split ring, a clamp body closing the split ring, and a switch to release the clamp body upon receipt of a signal. A borehole system including a borehole in a subsurface formation, a tool in the borehole, a clamp configuration operably connected to the tool.Type: GrantFiled: September 8, 2022Date of Patent: January 21, 2025Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Aaron C. Hammer, John Wakefield
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Publication number: 20250020042Abstract: A fluid density valve housing includes a pilot fluid inlet and outlet and a primary fluid inlet and outlet. A shuttle is disposed within the housing. The shuttle comprises a portion having a reference density and a portion defining a cavity fluidically connected to the pilot fluid inlet, the shuttle permitting or denying primary fluid flow depending upon a density of a pilot fluid flowing through the cavity versus the reference density. A method for controlling flow, including comparing density of a pilot flow with a reference density, moving a valve between fully open, fully closed, and choked depending upon the differential density between the pilot fluid and the reference density. A borehole system, including a borehole in a subsurface formation, a string in the borehole, and a fluid density valve disposed within or as a part of the string.Type: ApplicationFiled: July 11, 2023Publication date: January 16, 2025Inventors: Bin Zhu, Guijun Deng, Daniel Ewing, Zhihui Zhang, Ronnie Russell, John Wakefield
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Publication number: 20240392004Abstract: The present application relates to immunomodulatory molecules comprising a first binding domain (e.g., immunostimulatory cytokine such as IL-2 or IL-12 or variant thereof) specifically recognizing a first target molecule (e.g., receptor of immunostimulatory cytokine) and a second binding domain (e.g., agonist ligand such as PD-L1 or PD-L2 or variant thereof, or agonist antigen-binding fragment such as anti-PD-1 agonist Fab, scFv, VHH, or full-length antibody) specifically recognizing a second target molecule (e.g., inhibitory checkpoint molecule such as PD-1), wherein the first binding domain upon binding to the first target molecule up-regulates an immune response, and wherein the second, binding domain upon binding to the second target molecule down-regulates the immune response. Methods of making and uses of such immunomodulatory molecules are also provided.Type: ApplicationFiled: March 10, 2022Publication date: November 28, 2024Inventors: Ellen WU, Xiaoyun WU, John WAKEFIELD
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Patent number: 12129725Abstract: A clamp for a line including a body, and a control line contact surface, the clamp being responsive to a selected input to facilitate displacement of the line. An expandable tool including a component having a first dimension prior to activation and a second dimension after activation, a control line disposed adjacent the component, and a clamp initially securing the control line, the clamp comprising at least one of 1) a fastener and 2) a body, at least a portion of either of which being responsive to a selected input to facilitate displacement of the control line. A method for deploying a tool with a control line including securing the control line to the tool, reacting the at least a portion of the clamp to the input, and displacing the control line. A borehole system including a borehole in a formation, and an expandable tool disposed in the borehole.Type: GrantFiled: September 8, 2022Date of Patent: October 29, 2024Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Aaron C. Hammer, John Wakefield
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Publication number: 20240190962Abstract: The present application relates to immunocytokines comprising a cytokine or variant thereof positioned at the hinge region of a heavy chain of an antibody (e.g., full-length antibody), or positioned at a hinge region between an antigen-binding fragment (e.g., ligand, receptor, or antibody fragment) and an Fc domain subunit or portion thereof, methods of making, and uses thereof.Type: ApplicationFiled: December 23, 2021Publication date: June 13, 2024Inventors: Ellen WU, Xiaoyun WU, John WAKEFIELD
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Publication number: 20240084647Abstract: A line clamp configuration including a housing, a body attached to the housing, the body having a line contact surface, and a releaser disposed to separate the body from the housing. A control line clamp configuration including a downhole tool housing, an operable component of the downhole tool movable relative to the tool housing, a depending member on the operable component, a clamp body fastened to the housing by the depending member, a control line being releasable by removing the depending member from the clamp body. A control line clamp configuration including a split ring, a clamp body closing the split ring, and a switch to release the clamp body upon receipt of a signal. A borehole system including a borehole in a subsurface formation, a tool in the borehole, a clamp configuration operably connected to the tool.Type: ApplicationFiled: September 8, 2022Publication date: March 14, 2024Inventors: Aaron C. Hammer, John Wakefield
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Publication number: 20240084656Abstract: A clamp for a line including a body, and a control line contact surface, the clamp being responsive to a selected input to facilitate displacement of the line. An expandable tool including a component having a first dimension prior to activation and a second dimension after activation, a control line disposed adjacent the component, and a clamp initially securing the control line, the clamp comprising at least one of 1) a fastener and 2) a body, at least a portion of either of which being responsive to a selected input to facilitate displacement of the control line. A method for deploying a tool with a control line including securing the control line to the tool, reacting the at least a portion of the clamp to the input, and displacing the control line. A borehole system including a borehole in a formation, and an expandable tool disposed in the borehole.Type: ApplicationFiled: September 8, 2022Publication date: March 14, 2024Inventors: Aaron C. Hammer, John Wakefield
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Publication number: 20230167164Abstract: The present application relates to immunocytokines comprising a cytokine or variant thereof positioned at the hinge region of a heavy chain of an antibody (e.g., full-length antibody), or positioned at a hinge region between an antigen-binding fragment (e.g., ligand, receptor, or antibody fragment) and an Fc domain subunit or portion thereof, methods of making, and uses thereof.Type: ApplicationFiled: January 19, 2023Publication date: June 1, 2023Applicant: Immunowake Inc.Inventors: Ellen WU, Xiaoyun WU, John WAKEFIELD
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Publication number: 20220291203Abstract: The disclosure provides for compositions, methods, and kits for evaluating the effect of a cell-killing agent on a population of tumor cells (e.g., tumor cells that can inducibly express reporter protein).Type: ApplicationFiled: July 24, 2020Publication date: September 15, 2022Inventors: Ellen WU, Xiaoyun WU, John WAKEFIELD