Patents by Inventor Günther KAMPFER

Günther KAMPFER 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).

  • Patent number: 10753194
    Abstract: Systems and methods for using pressure signals to assess effectiveness of a diverter in a stimulation wellbore are disclosed. A pressure signal in an observation wellbore in the subsurface formation may be assessed using a pressure sensor in direct fluid communication with a fluid in the observation wellbore. The fluid in the observation wellbore may be indirect fluid communication with a fracture emanating from the observation wellbore. The pressure signal may include a pressure change that is induced by a fracture being formed from a stimulation wellbore in the subsurface formation. The pressure signal may be a pressure-induced poromechanic signal. The slope in the pressure signal before and after the diverter are provided into the stimulation wellbore may be assessed to determine the effectiveness of the diverter.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: August 25, 2020
    Assignee: Reveal Energy Services, Inc.
    Inventors: Matthew A. Dawson, Günther Kampfer, Lukas Mosser
  • Patent number: 10753195
    Abstract: Systems and methods for using pressure signals to assess effectiveness of a diverter in a stimulation wellbore are disclosed. A pressure signal in an observation wellbore in the subsurface formation may be assessed using a pressure sensor in direct fluid communication with a fluid in the observation wellbore. The fluid in the observation wellbore may be indirect fluid communication with a fracture emanating from the observation wellbore. The pressure signal may include a pressure change that is induced by a fracture being formed from a stimulation wellbore in the subsurface formation. The pressure signal may be a pressure-induced poromechanic signal. The slope in the pressure signal before and after the diverter are provided into the stimulation wellbore may be assessed to determine the effectiveness of the diverter.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: August 25, 2020
    Assignee: Reveal Energy Services, Inc.
    Inventors: Matthew A. Dawson, Günther Kampfer, Lukas Mosser
  • Patent number: 10669832
    Abstract: A method for optimizing well spacing for a multi-well pad which includes a first group of wells and a second group of wells is provided. The method includes the steps of: creating a fracture in a stage in a first well in the first group of wells; isolating a next stage in said first well in the first group of wells from said stage; creating a fracture in said next stage in the first well in the first group after the step of isolating; measuring a pressure by using a pressure gauge in direct fluid communication with said next stage in the first well in the first group of wells; creating a fracture in one or more stages in a well in the second group of wells in a manner such that the fracture in the well in the second group of wells induces the pressure measured in the first well to change; and recording the pressure change in the next stage of the first well.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: June 2, 2020
    Assignee: STATOIL GULF SERVICES LLC
    Inventors: Matthew A. Dawson, Günther Kampfer
  • Patent number: 10605074
    Abstract: Systems and methods for assessing geometric fractures parameters in a subsurface formation are disclosed. A first pressure signal and a second pressure signal in a first (observation) wellbore in the subsurface formation may be assessed using a pressure sensor in direct fluid communication with a fluid in the first wellbore. The fluid in the first wellbore may be in direct fluid communication with at least a first fracture in the subsurface formation. The first pressure signal may include a pressure change that is induced by a second fracture being formed from a second (stimulation) wellbore in the subsurface formation. The second pressure signal may include a pressure change that is induced by a third fracture being formed from the second wellbore. One or more geometric parameters of the second and third fractures may be assessed using the first pressure signal and the second pressure signal.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: March 31, 2020
    Assignee: Reveal Energy Services, Inc.
    Inventors: Matthew A. Dawson, Günther Kampfer, Lukas Mosser
  • Publication number: 20190368338
    Abstract: Systems and methods for using pressure signals to assess effectiveness of a diverter in a stimulation wellbore are disclosed. A pressure signal in an observation wellbore in the subsurface formation may be assessed using a pressure sensor in direct fluid communication with a fluid in the observation wellbore. The fluid in the observation wellbore may be indirect fluid communication with a fracture emanating from the observation wellbore. The pressure signal may include a pressure change that is induced by a fracture being formed from a stimulation wellbore in the subsurface formation. The pressure signal may be a pressure-induced poromechanic signal. The slope in the pressure signal before and after the diverter are provided into the stimulation wellbore may be assessed to determine the effectiveness of the diverter.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 5, 2019
    Inventors: Matthew A. Dawson, Günther Kampfer, Lukas Mosser
  • Publication number: 20190360325
    Abstract: Systems and methods for using pressure signals to assess effectiveness of a diverter in a stimulation wellbore are disclosed. A pressure signal in an observation wellbore in the subsurface formation may be assessed using a pressure sensor in direct fluid communication with a fluid in the observation wellbore. The fluid in the observation wellbore may be indirect fluid communication with a fracture emanating from the observation wellbore. The pressure signal may include a pressure change that is induced by a fracture being formed from a stimulation wellbore in the subsurface formation. The pressure signal may be a pressure-induced poromechanic signal. The slope in the pressure signal before and after the diverter are provided into the stimulation wellbore may be assessed to determine the effectiveness of the diverter.
    Type: Application
    Filed: August 12, 2019
    Publication date: November 28, 2019
    Inventors: Matthew A. Dawson, Günther Kampfer, Lukas Mosser
  • Patent number: 10436027
    Abstract: A method of evaluating a geometric parameter of a first fracture emanating from a first wellbore penetrating a subterranean formation is provided. The method includes the steps of forming the first fracture in fluid communication with the first wellbore; forming a second fracture in fluid communication with a second wellbore; measuring a first pressure change in the second wellbore in proximity to the first wellbore; and determining the geometric parameter of the first fracture using at least the measured first pressure change in an analysis which couples a solid mechanics equation and a pressure diffusion equation.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: October 8, 2019
    Assignee: STATOIL GULF SERVICES LLC
    Inventors: Günther Kampfer, Matthew A. Dawson
  • Publication number: 20190257190
    Abstract: Systems and methods for assessing geometric fractures parameters in a subsurface formation are disclosed. A first pressure signal and a second pressure signal in a first (observation) wellbore in the subsurface formation may be assessed using a pressure sensor in direct fluid communication with a fluid in the first wellbore. The fluid in the first wellbore may be in direct fluid communication with at least a first fracture in the subsurface formation. The first pressure signal may include a pressure change that is induced by a second fracture being formed from a second (stimulation) wellbore in the subsurface formation. The second pressure signal may include a pressure change that is induced by a third fracture being formed from the second wellbore. One or more geometric parameters of the second and third fractures may be assessed using the first pressure signal and the second pressure signal.
    Type: Application
    Filed: February 25, 2019
    Publication date: August 22, 2019
    Inventors: Matthew A. Dawson, Günther Kampfer, Lukas Mosser
  • Patent number: 10378333
    Abstract: Systems and methods for using pressure signals to assess effectiveness of a diverter in a stimulation wellbore are disclosed. A pressure signal in an observation wellbore in the subsurface formation may be assessed using a pressure sensor in direct fluid communication with a fluid in the observation wellbore. The fluid in the observation wellbore may be in direct fluid communication with a fracture emanating from the observation wellbore. The pressure signal may include a pressure change that is induced by a fracture being formed from a stimulation wellbore in the subsurface formation. The pressure signal may be a pressure-induced poromechanic signal. The slope in the pressure signal before and after the diverter are provided into the stimulation wellbore may be assessed to determine the effectiveness of the diverter.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: August 13, 2019
    Assignee: Reveal Energy Services, Inc.
    Inventors: Matthew A. Dawson, Günther Kampfer, Lukas Mosser
  • Patent number: 10215014
    Abstract: Systems and methods for assessing geometric fractures parameters in a subsurface formation are disclosed. A first pressure signal and a second pressure signal in a first (observation) wellbore in the subsurface formation may be assessed using a pressure sensor in direct fluid communication with a fluid in the first wellbore. The fluid in the first wellbore may be in direct fluid communication with at least a first fracture in the subsurface formation. The first pressure signal may include a pressure change that is induced by a second fracture being formed from a second (stimulation) wellbore in the subsurface formation. The second pressure signal may include a pressure change that is induced by a third fracture being formed from the second wellbore. One or more geometric parameters of the second and third fractures may be assessed using the first pressure signal and the second pressure signal.
    Type: Grant
    Filed: July 3, 2016
    Date of Patent: February 26, 2019
    Assignee: Reveal Energy Services, Inc.
    Inventors: Matthew A. Dawson, Günther Kampfer, Lukas Mosser
  • Publication number: 20180320499
    Abstract: A method for optimizing well spacing for a multi-well pad which includes a first group of wells and a second group of wells is provided. The method includes the steps of: creating a fracture in a stage in a first well in the first group of wells; isolating a next stage in said first well in the first group of wells from said stage; creating a fracture in said next stage in the first well in the first group after the step of isolating; measuring a pressure by using a pressure gauge in direct fluid communication with said next stage in the first well in the first group of wells; creating a fracture in one or more stages in a well in the second group of wells in a manner such that the fracture in the well in the second group of wells induces the pressure measured in the first well to change; and recording the pressure change in the next stage of the first well.
    Type: Application
    Filed: July 3, 2018
    Publication date: November 8, 2018
    Applicant: STATOIL GULF SERVICES LLC
    Inventors: Matthew A. DAWSON, Günther KAMPFER
  • Publication number: 20180258762
    Abstract: A method of evaluating a geometric parameter of a first fracture emanating from a first wellbore penetrating a subterranean formation is provided. The method includes the steps of forming the first fracture in fluid communication with the first wellbore; forming a second fracture in fluid communication with a second wellbore; measuring a first pressure change in the second wellbore in proximity to the first wellbore; and determining the geometric parameter of the first fracture using at least the measured first pressure change in an analysis which couples a solid mechanics equation and a pressure diffusion equation.
    Type: Application
    Filed: May 9, 2018
    Publication date: September 13, 2018
    Applicant: STATOIL GULF SERVICES LLC
    Inventors: Günther KAMPFER, Matthew A. DAWSON
  • Patent number: 10030497
    Abstract: A method for optimizing well spacing for a multi-well pad which includes a first group of wells and a second group of wells is provided. The method includes the steps of: creating a fracture in a stage in a first well in the first group of wells; isolating a next stage in said first well in the first group of wells from said stage; creating a fracture in said next stage in the first well in the first group after the step of isolating; measuring a pressure by using a pressure gauge in direct fluid communication with said next stage in the first well in the first group of wells; creating a fracture in one or more stages in a well in the second group of wells in a manner such that the fracture in the well in the second group of wells induces the pressure measured in the first well to change; and recording the pressure change in the next stage of the first well.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: July 24, 2018
    Assignee: STATOIL GULF SERVICES LLC
    Inventors: Matthew A. Dawson, Günther Kampfer
  • Patent number: 9988900
    Abstract: A method of evaluating a geometric parameter of a first fracture emanating from a first wellbore penetrating a subterranean formation is provided. The method includes the steps of forming the first fracture in fluid communication with the first wellbore; forming a second fracture in fluid communication with a second wellbore; measuring a first pressure change in the second wellbore in proximity to the first wellbore; and determining the geometric parameter of the first fracture using at least the measured first pressure change in an analysis which couples a solid mechanics equation and a pressure diffusion equation.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: June 5, 2018
    Assignee: STATOIL GULF SERVICES LLC
    Inventors: Günther Kampfer, Matthew A. Dawson
  • Publication number: 20170002652
    Abstract: A method of evaluating a geometric parameter of a first fracture emanating from a first wellbore penetrating a subterranean formation is provided. The method includes the steps of forming the first fracture in fluid communication with the first wellbore; forming a second fracture in fluid communication with a second wellbore; measuring a first pressure change in the second wellbore in proximity to the first wellbore; and determining the geometric parameter of the first fracture using at least the measured first pressure change in an analysis which couples a solid mechanics equation and a pressure diffusion equation.
    Type: Application
    Filed: June 30, 2015
    Publication date: January 5, 2017
    Applicant: STATOIL GULF SERVICES LLC
    Inventors: Günther KAMPFER, Matthew A. DAWSON