Patents Assigned to Omron Oilfield & Marine, Inc.
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Patent number: 8604639Abstract: A power limiting control system includes at least one power generator configured to provide power to a plurality of tools on a drilling rig; and a power limiting controller configured to control the provision of power from the power generator to the plurality of tools. The power limiting controller is adapted to perform a method including determining an individual power consumption for each of the plurality of tools; calculating a total power consumption from each respective individual power consumption of the plurality of tools; comparing the total power consumption of the plurality of tools to a total available power; ranking each respective individual power consumption by load size; and reducing power consumption of at least one of the plurality of tools based on rank when the total power consumption exceeds the total available power.Type: GrantFiled: August 25, 2010Date of Patent: December 10, 2013Assignee: Omron Oilfield and Marine, Inc.Inventor: Fergus Hopwood
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Patent number: 8517692Abstract: A method of controlling pressure in a mud pump system includes generating a pressure limiting factor output using a pressure feedback input and a motor speed input to calculate a fluid conductance estimate, maintaining the pressure limiting factor output at a maximum value based on a pressure set-point, continuously updating a normal fluid conductance value based on the fluid conductance estimate while the pressure limiting factor output remains at the maximum value, freezing the normal fluid conductance value, if the pressure limiting factor output is less than the maximum value, calculating a change in fluid conductance based on the normal fluid conductance value and the fluid conductance estimate, generating at least one adaptive gain based on the change in fluid conductance, and controlling a motor speed of a pump in the mud pump system based on the at least one adaptive gain.Type: GrantFiled: August 25, 2010Date of Patent: August 27, 2013Assignee: Omron Oilfield & Marine, Inc.Inventors: Fergus Hopwood, Arun Natarajan
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Patent number: 8136609Abstract: A wellbore drilling system includes a weight on bit controller configured to generate a normalized weight on bit output, a drilling torque controller configured to generate a normalized toque on bit output, and a differential pressure controller configured to generate a normalized differential pressure output. The system further includes a rate of penetration controller that is configured to multiply a rate of penetration setpoint with the normalized weight on bit output, the normalized torque on bit output, and the normalized differential pressure output to generate a rate of penetration output.Type: GrantFiled: July 15, 2010Date of Patent: March 20, 2012Assignee: Omron Oilfield & Marine, Inc.Inventors: Fergus Hopwood, Phillip G. Martin, Richard Lewis
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Publication number: 20120049625Abstract: A power limiting control system includes at least one power generator configured to provide power to a plurality of tools on a drilling rig; and a power limiting controller configured to control the provision of power from the power generator to the plurality of tools. The power limiting controller is adapted to perform a method including determining an individual power consumption for each of the plurality of tools; calculating a total power consumption from each respective individual power consumption of the plurality of tools; comparing the total power consumption of the plurality of tools to a total available power; ranking each respective individual power consumption by load size; and reducing power consumption of at least one of the plurality of tools based on rank when the total power consumption exceeds the total available power.Type: ApplicationFiled: August 25, 2010Publication date: March 1, 2012Applicant: OMRON OILFIELD & MARINE, INC.Inventor: Fergus Hopwood
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Publication number: 20120048620Abstract: A method of controlling pressure in a mud pump system includes generating a pressure limiting factor output using a pressure feedback input and a motor speed input to calculate a fluid conductance estimate, maintaining the pressure limiting factor output at a maximum value based on a pressure set-point, continuously updating a normal fluid conductance value based on the fluid conductance estimate while the pressure limiting factor output remains at the maximum value, freezing the normal fluid conductance value, if the pressure limiting factor output is less than the maximum value, calculating a change in fluid conductance based on the normal fluid conductance value and the fluid conductance estimate, generating at least one adaptive gain based on the change in fluid conductance, and controlling a motor speed of a pump in the mud pump system based on the at least one adaptive gain.Type: ApplicationFiled: August 25, 2010Publication date: March 1, 2012Applicant: OMRON OILFIELD & MARINE, INC.Inventors: Fergus Hopwood, Arun Natarajan
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Publication number: 20100300753Abstract: A wellbore drilling system is disclosed herein, in which the system includes a weight on bit controller configured to generate a normalized weight on bit output, a drilling torque controller configured to generate a normalized toque on bit output, and a differential pressure controller configured to generate a normalized differential pressure output. The system further includes a rate of penetration controller that is configured to multiply a rate of penetration setpoint with the normalized weight on bit output, the normalized torque on pit output, and the normalized differential pressure output to generate a rate of penetration output.Type: ApplicationFiled: July 15, 2010Publication date: December 2, 2010Applicant: Omron Oilfield & Marine, Inc.Inventors: Fergus Hopwood, Phillip G. Martin, Richard Lewis
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Patent number: 7775297Abstract: A wellbore drilling system is disclosed herein, in which the system includes a weight on bit controller configured to generate a normalized weight on bit output, a drilling torque controller configured to generate a normalized toque on bit output, and a differential pressure controller configured to generate a normalized differential pressure output. The system further includes a rate of penetration controller that is configured to multiply a rate of penetration setpoint with the normalized weight on bit output, the normalized torque on pit output, and the normalized differential pressure output to generate a rate of penetration output.Type: GrantFiled: December 6, 2006Date of Patent: August 17, 2010Assignee: Omron Oilfield & Marine, Inc.Inventors: Fergus Hopwood, Phil Martin, Richard Lewis
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Patent number: 7665533Abstract: A system to control a threading operation includes a first tubular and a second tubular, wherein the first tubular and the second tubular include corresponding thread profiles. The system further includes a drive assembly configured to rotate the second tubular with respect to the first tubular, wherein vertical and rotation movements of the drive assembly are controllable through a drive assembly controller, and wherein the drive assembly controller is configured to operate in a threading mode when the second tubular is threaded with the first tubular.Type: GrantFiled: October 24, 2007Date of Patent: February 23, 2010Assignee: Omron Oilfield & Marine, Inc.Inventors: Fergus Hopwood, Richard Lewis, Phil Martin
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Publication number: 20080093088Abstract: A system to control a threading operation includes a first tubular and a second tubular, wherein the first tubular and the second tubular include corresponding thread profiles. The system further includes a drive assembly configured to rotate the second tubular with respect to the first tubular, wherein vertical and rotation movements of the drive assembly are controllable through a drive assembly controller, and wherein the drive assembly controller is configured to operate in a threading mode when the second tubular is threaded with the first tubular.Type: ApplicationFiled: October 24, 2007Publication date: April 24, 2008Applicant: OMRON OILFIELD & MARINE, INC.Inventors: Fergus Hopwood, Richard Lewis, Phil Martin