Patents by Inventor Carlos H. Aguilera

Carlos H. Aguilera 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).

  • Cementing system for wellbores
    Patent number: 7472753
    Abstract: The present invention provides a cementing system and method for wellbores by cementing an annulus between a wellbore casing and a wellbore. In at least one embodiment, the invention includes a landing collar defining a restricted passage, a wellbore casing defining a passage coupled to the landing collar, a top cementing plug for sealingly engaging the wellbore casing, a bottom cementing plug for sealingly engaging the wellbore casing, and a fluid injection assembly coupled to the wellbore casing for injecting fluidic materials into the wellbore casing and controllably releasing the top cementing plug and the bottom cementing plug into the wellbore casing. The bottom cementing plug includes a plug body defining a plug passage, a frangible membrane for sealing the plug passage, and a one-way valve for controlling the flow of fluidic materials through the plug passage. The invention also includes the bottom cementing plug and methods for operation.
    Type: Grant
    Filed: April 24, 2006
    Date of Patent: January 6, 2009
    Assignee: BJ Services Company
    Inventors: Juan Carlos Mondelli, Carlos H. Aguilera
  • Cementing system and method for wellbores
    Patent number: 7032668
    Abstract: The present invention provides a cementing system and method for wellbores by cementing an annulus between a wellbore casing and a wellbore. In at least one embodiment, the invention includes a landing collar defining a restricted passage, a wellbore casing defining a passage coupled to the landing collar, a top cementing plug for sealingly engaging the wellbore casing, a bottom cementing plug for sealingly engaging the wellbore casing, and a fluid injection assembly coupled to the wellbore casing for injecting fluidic materials into the wellbore casing and controllably releasing the top cementing plug and the bottom cementing plug into the wellbore casing. The bottom cementing plug includes a plug body defining a plug passage, a frangible membrane for sealing the plug passage, and a one-way valve for controlling the flow of fluidic materials through the plug passage. The invention also includes the bottom cementing plug and methods for operation.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: April 25, 2006
    Assignee: BJ Services Company
    Inventors: Juan-Carlos Mondelli, Carlos H. Aguilera
  • Cementing system and method for wellbores
    Publication number: 20040206500
    Abstract: The present invention provides a cementing system and method for wellbores by cementing an annulus between a wellbore casing and a wellbore. In at least one embodiment, the invention includes a landing collar defining a restrictef passage, a wellbore casing defining a passage coupled to the landing collar, a top cementing plug for sealingly engaging the wellbore casing, a bottom cementing plug for sealingly engaging the wellbore casing, and a fluid injection assembly coupled to the wellbore casing for injecting fluidic materials into the wellbore casing and controllably releasing the top cementing plug includes a plug body defining a plug passage. a frangible membrane for sealing the plug passage, and a one-way valve for controlling the flow of fluidic materials through the plug passage. The invention also includes the bottom cementing plug and methods for operation.
    Type: Application
    Filed: May 17, 2004
    Publication date: October 21, 2004
    Inventors: Juan-Carlos Mondelli, Carlos H. Aguilera
  • Cementing system and method for wellbores
    Patent number: 6752209
    Abstract: The present invention provides a cementing system and method for wellbores by cementing an annulus between a wellbore casing and a wellbore. In at least one embodiment, the invention includes a landing collar defining a restricted passage, a wellbore casing defining a passage coupled to the landing collar, a top cementing plug for sealingly engaging the wellbore casing, a bottom cementing plug for sealingly engaging the wellbore casing, and a fluid injection assembly coupled to the wellbore casing for injecting fluidic materials into the wellbore casing and controllably releasing the top cementing plug and the bottom cementing plug into the wellbore casing. The bottom cementing plug includes a plug body defining a plug passage, a frangible membrane for sealing the plug passage, and a one-way valve for controlling the flow of fluidic materials through the plug passage. The invention also includes the bottom cementing plug and methods for operation.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: June 22, 2004
    Assignee: BJ Services Company
    Inventors: Juan Carlos Mondelli, Carlos H. Aguilera
  • Cementing system for wellbores
    Publication number: 20030062161
    Abstract: A cementing system for wellbores.
    Type: Application
    Filed: October 1, 2001
    Publication date: April 3, 2003
    Applicant: BJ Services Company
    Inventors: Juan Carlos Mondelli, Carlos H. Aguilera