Patents by Inventor Thomas MacDougall
Thomas MacDougall 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: 11066903Abstract: A downhole tool string for conveying within a wellbore, including an engagement device for engaging a downhole feature located within the wellbore, a first actuator for applying a substantially non-vibrating force to the engagement device while the engagement device is engaged with the downhole feature, and a second actuator for applying a vibrating force to the engagement device while the engagement device is engaged with the downhole feature.Type: GrantFiled: January 27, 2020Date of Patent: July 20, 2021Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Thomas MacDougall, Mark Milkovisch, Todor Sheiretov
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Publication number: 20200173258Abstract: A downhole tool string for conveying within a wellbore, including an engagement device for engaging a downhole feature located within the wellbore, a first actuator for applying a substantially non-vibrating force to the engagement device while the engagement device is engaged with the downhole feature, and a second actuator for applying a vibrating force to the engagement device while the engagement device is engaged with the downhole feature.Type: ApplicationFiled: January 27, 2020Publication date: June 4, 2020Inventors: Thomas MacDougall, Mark Milkovisch, Todor Sheiretov
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Patent number: 10544657Abstract: A downhole tool string for conveying within a wellbore, including an engagement device for engaging a downhole feature located within the wellbore, a first actuator for applying a substantially non-vibrating force to the engagement device while the engagement device is engaged with the downhole feature, and a second actuator for applying a vibrating force to the engagement device while the engagement device is engaged with the downhole feature.Type: GrantFiled: June 24, 2016Date of Patent: January 28, 2020Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Thomas MacDougall, Mark Milkovisch, Todor Sheiretov
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Publication number: 20170370189Abstract: A downhole tool string for conveying within a wellbore, including an engagement device for engaging a downhole feature located within the wellbore, a first actuator for applying a substantially non-vibrating force to the engagement device while the engagement device is engaged with the downhole feature, and a second actuator for applying a vibrating force to the engagement device while the engagement device is engaged with the downhole feature.Type: ApplicationFiled: June 24, 2016Publication date: December 28, 2017Inventors: Thomas MacDougall, Mark Milkovisch, Todor Sheiretov
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Transient, real-time position tracking interface for user activity in a document editing application
Patent number: 9342493Abstract: An example method includes receiving a first input indicating user activity at a first position in a document in a document editing application. The document editing application is navigable among different partial views of the document. The document editing application displays a frame element that indicates a position of a presently displayed partial view of the document is with reference to an entirety of the document. The method further includes displaying, in response to the first input indicating user activity, a first marker, in or proximate to the frame element, indicating where the first position of user activity is located with reference to the entirety of the document.Type: GrantFiled: February 7, 2012Date of Patent: May 17, 2016Assignee: International Business Machines CorporationInventors: Thomas A. MacDougall, Mohammed Mostafa -
TRANSIENT, REAL-TIME POSITION TRACKING INTERFACE FOR USER ACTIVITY IN A DOCUMENT EDITING APPLICATION
Publication number: 20130205203Abstract: An example method includes receiving a first input indicating user activity at a first position in a document in a document editing application. The document editing application is navigable among different partial views of the document. The document editing application displays a frame element that indicates a position of a presently displayed partial view of the document is with reference to an entirety of the document. The method further includes displaying, in response to the first input indicating user activity, a first marker, in or proximate to the frame element, indicating where the first position of user activity is located with reference to the entirety of the document.Type: ApplicationFiled: February 7, 2012Publication date: August 8, 2013Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Thomas A. MacDougall, Mohammed Mostafa -
Patent number: 7635029Abstract: An apparatus that is usable with a well includes an power converter and a controller. The power converter translates electrical power into hydraulic power downhole in the well to generate a first hydraulic signal to cause a downhole tool to transition to a first state and a second hydraulic signal to cause the tool to transition to a different second state. The controller responds to stimuli that are communicated from the surface of the well to cause the actuator to generate one of the first and second hydraulic signals.Type: GrantFiled: December 15, 2006Date of Patent: December 22, 2009Assignee: Schlumberger Technology CorporationInventors: Thomas MacDougall, Donald Ross
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Publication number: 20070261861Abstract: An apparatus that is usable with a well includes an power converter and a controller. The power converter translates electrical power into hydraulic power downhole in the well to generate a first hydraulic signal to cause a downhole tool to transition to a first state and a second hydraulic signal to cause the tool to transition to a different second state. The controller responds to stimuli that are communicated from the surface of the well to cause the actuator to generate one of the first and second hydraulic signals.Type: ApplicationFiled: December 15, 2006Publication date: November 15, 2007Inventors: Thomas MacDougall, Donald Ross
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Publication number: 20070163774Abstract: A technique is provided to control flow in a well. A well completion comprises one or more flow control valve systems coupled by an electric line and a hydraulic line. Each flow control valve system comprises a flow control valve responsive to hydraulic input via the hydraulic line and an electro-mechanical device. The electro-mechanical device is responsive to inputs via the electric line and is used to control hydraulic input to the corresponding flow control valve.Type: ApplicationFiled: January 13, 2006Publication date: July 19, 2007Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Pierre Hosatte, Thomas MacDougall, Stephane Hiron, Michael Bertoja
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Publication number: 20070137869Abstract: A subsurface safety valve comprises a tubular body adapted for placement within a wellbore and defining a fluid passageway. A valve closure member, such as a flapper valve, is carried by the tubular body and movable through a closure path between positions opening and closing the fluid passageway. An actuator, such as a biasing spring, urges the valve closure member to its closing position. A flow tube is axially-movable within the tubular body between a first position preventing the actuator from urging the valve closure member to its closing position and a second position permitting the actuator to urge the valve closure member to its closing position. A latch assembly is provided for preventing movement of the valve closure member from its opening position to its closing position until the flow tube has been urged clear of the closure path. Aspects of the safety valve are employed by a related method and system.Type: ApplicationFiled: December 21, 2005Publication date: June 21, 2007Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Thomas MacDougall, Dwayne May
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Publication number: 20070131434Abstract: A system for use in a well includes plural flow control devices to control fluid flow in respective zones of the well, where each of at least some of the flow control devices includes a membrane having a permeable material to provide a flow restriction. The membranes of the at least some flow control devices have different permeabilities to provide corresponding different flow restrictions.Type: ApplicationFiled: December 21, 2006Publication date: June 14, 2007Inventors: Thomas MacDougall, Nihat Ovutmen, Mark Fraker, Qing Yao, Donald Ross
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Publication number: 20070044963Abstract: A technique is provided to control flow in subterranean applications, such as hydrocarbon fluid production applications. The technique utilizes an aggregate formed, at least in part, of particles that swell in the presence of a specific substance or substances. The aggregate is deployed as a slurry or in other forms to desired subterranean locations. Once located, the aggregate allows the flow of hydrocarbon fluids but swells upon contact with the specific substance or substances to limit inflow of undesirable fluids.Type: ApplicationFiled: September 1, 2005Publication date: March 1, 2007Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventor: Thomas MacDougall
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Publication number: 20060249291Abstract: A gas inflow control system is used in a well. A downhole tool is combined with an automatic valve that is automatically actuatable to a flow position in the presence of a well liquid flowing into the downhole tool. In the presence of gas flow into the valve, the valve automatically transitions toward or to a closed position.Type: ApplicationFiled: December 20, 2005Publication date: November 9, 2006Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventor: Thomas MacDougall
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Publication number: 20060162935Abstract: The present invention provides for the operation of a downhole flow control device using a snorkel tube.Type: ApplicationFiled: January 25, 2005Publication date: July 27, 2006Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventor: Thomas MacDougall
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Publication number: 20060086498Abstract: A system that is usable with a subterranean well includes a winding, a member and a circuit. The winding is located downhole in the well, and the member moves relative to the winding in response to vibration occurring in the well to cause a signal to be generated on the winding. The circuit is coupled to the winding to respond to the signal to provide power to operate a component located downhole in the well.Type: ApplicationFiled: October 21, 2004Publication date: April 27, 2006Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Rodney Wetzel, Stephane Hiron, Anthony Veneruso, Dinesh Patel, Thomas MacDougall, Joe Walter
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Publication number: 20060076146Abstract: A system that is usable with a subterranean well includes a first tubular member that is adapted to receive a flow of a first fluid. The system includes a second tubular member that is located in the flow and is substantially flexible to be moved by the flow to establish a pressure on a second fluid located inside the tubular member. A mechanism of the system uses this pressure to actuate a downhole tool.Type: ApplicationFiled: October 11, 2004Publication date: April 13, 2006Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Anthony Veneruso, Thomas MacDougall
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Publication number: 20050199401Abstract: The invention is a sealing system, such as a packer, that is used in a wellbore to seal against an exterior surface, such as a casing or open wellbore. The sealing system includes a swellable material that swells from an unexpanded state to an expanded state thereby creating a seal when the swellable material comes into contact with a triggering fluid.Type: ApplicationFiled: March 10, 2005Publication date: September 15, 2005Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Dinesh Patel, Y. Hilsman, Herve Ohmer, Stephane Hiron, Philippe Gambier, Jonathan Whitehead, Randolph Sheffield, Rodney Wetzel, John Whitsitt, Thomas MacDougall, Nitin Vaidya, James Hendrickson, John Edwards, Donald Ross, Rashmi Bhavsar
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Patent number: 6766854Abstract: The present invention relates to a well-bore sensor apparatus and method. The apparatus includes a downhole tool carrying at least one sensor plug for deployment into the sidewall of a well-bore. The apparatus may also be used in conjunction with a surface control unit and a communication link for operatively coupling the sensor plug to the surface control unit. The sensor plug is capable of collecting well-bore data, such as pressure or temperature, and communicating the data uphole via a communication link, such as the downhole tool or an antenna. The downhole data may then be analyzed and control commands sent in response thereto. The sensor plug and/or the downhole tool may be made to respond to such control commands. In some embodiments, multiple surface control units for corresponding wells may be networked for decision making and control across multiple well-bores.Type: GrantFiled: June 6, 2002Date of Patent: July 27, 2004Assignee: Schlumberger Technology CorporationInventors: Reinhart Ciglenec, Jacques Tabanou, Thomas MacDougall, Kenneth Havlinek, Arthur Liberman, Ian Bryant, Troy Fields
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Publication number: 20020195247Abstract: The present invention relates to a well-bore sensor apparatus and method. The apparatus includes a downhole tool carrying at least one sensor plug for deployment into the sidewall of a well-bore. The apparatus may also be used in conjunction with a surface control unit and a communication link for operatively coupling the sensor plug to the surface control unit. The sensor plug is capable of collecting well-bore data, such as pressure or temperature, and communicating the data uphole via a communication link, such as the downhole tool or an antenna. The downhole data may then be analyzed and control commands sent in response thereto. The sensor plug and/or the downhole tool may be made to respond to such control commands. In some embodiments, multiple surface control units for corresponding wells may be networked for decision making and control across multiple well-bores.Type: ApplicationFiled: June 6, 2002Publication date: December 26, 2002Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Reinhart Ciglenec, Jacques Tabanou, Thomas MacDougall, Kenneth Havlinek, Arthur Liberman, Ian Bryant, Troy Fields