Patents by Inventor Chunling Gu Coffman
Chunling Gu Coffman 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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Publication number: 20230279727Abstract: Methods, drilling systems, and computer-readable media for evaluating candidate correctional trajectories for a directional drilling well. If the user wishes to investigate alternatives trajectories or trajectories to get a BHA back to a planned trajectory, the computing system allows the user to enter one or more intermediate targets. The computing system generates drilling parameters for the alternative targets and displays them to the user. The user can adjust parameters and intermediate targets, as well as drilling parameters, to investigate a range of possible solutions before selecting an update to the planned trajectory.Type: ApplicationFiled: October 2, 2020Publication date: September 7, 2023Inventors: Olivia Reagan, Adrien Chassard, Cesar Pena, Jinsoo Kim, Rodney Ewing, James Foley, Conie Chiock, Ginger Hildebrand, Jason Bryant, Chunling Gu Coffman
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Patent number: 11572779Abstract: A method for wellbore construction management includes measuring at least one drilling operating parameter during drilling of a wellbore. At least one well state parameter is calculated from the measured drilling operating parameter. A difference between the calculated well state parameter and a predetermined value of the well state parameter is determined. When the difference exceeds a selected threshold a modified well plan is calculated comprising at least one drilling task to enable construction of at least part of the wellbore to conform to the modified well plan. The at least one drilling task is displayed to a user.Type: GrantFiled: February 15, 2021Date of Patent: February 7, 2023Assignee: Schlumberger Technology CorporationInventors: Ginger Vinyard Hildebrand, Chunling Gu Coffman, Rustam Isangulov
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Publication number: 20220198354Abstract: A method can include determining an ideal activity speed profile of an activity for a well, where the ideal activity speed profile of the activity for the well corresponds to a length of the well; forecasting a start time and a stop time using the ideal activity speed profile of the activity; generating a drilling plan using the start time and the stop time where another activity commences after the stop time; during performance of the activity for the well, receiving data indicative of an actual activity speed of the activity for the well for a corresponding length of the well; during the performance of the activity, deciding to make an adjustment to the performance of the activity for the well using the ideal activity speed profile and the actual activity speed of the activity for the well; and adjusting the stop time of the drilling plan.Type: ApplicationFiled: March 14, 2022Publication date: June 23, 2022Inventors: Ginger Hildebrand, Chunling Gu Coffman, John Christian Luppens
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Patent number: 11276016Abstract: A method can include determining an ideal activity speed profile of an activity for a well, where the ideal activity speed profile of the activity for the well corresponds to a length of the well; forecasting a start time and a stop time using the ideal activity speed profile of the activity; generating a drilling plan using the start time and the stop time where another activity commences after the stop time; during performance of the activity for the well, receiving data indicative of an actual activity speed of the activity for the well for a corresponding length of the well; during the performance of the activity, deciding to make an adjustment to the performance of the activity for the well using the ideal activity speed profile and the actual activity speed of the activity for the well; and adjusting the stop time of the drilling plan.Type: GrantFiled: April 1, 2019Date of Patent: March 15, 2022Assignee: Schlumberger Technology CorporationInventors: Ginger Hildebrand, Chunling Gu Coffman, John Christian Luppens
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Publication number: 20210388677Abstract: A method for wellbore directional drilling includes selecting a starting and stopping spatial position of at least one portion of the wellbore. A sequence of sliding and rotary drilling operations within the portion is determined to calculate a wellbore trajectory. The sequence has at least one drilling operating parameter. The operations include a constraint on the drilling operating parameter or the calculated trajectory. The calculated trajectory includes a projected steering response of a steerable motor in response to the at least one drilling operating parameter. Drilling the portion of the wellbore is started. A spatial position of the wellbore during drilling is determined at at least one point intermediate the starting and stopping positions. Using a relationship between the projected steering response and the drilling operating parameter, the drilling parameter and/or the constraint are adjusted based on the measured spatial position and the stopping spatial position.Type: ApplicationFiled: August 27, 2021Publication date: December 16, 2021Inventors: Matthew Summers, Ginger Vinyard Hildebrand, Wayne Kotovsky, Chunling Gu Coffman, Rustam Isangulov
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Publication number: 20210324727Abstract: A method for wellbore construction management includes measuring at least one drilling operating parameter during drilling of a wellbore. At least one well state parameter is calculated from the measured drilling operating parameter. A difference between the calculated well state parameter and a predetermined value of the well state parameter is determined. When the difference exceeds a selected threshold a modified well plan is calculated comprising at least one drilling task to enable construction of at least part of the wellbore to conform to the modified well plan. The at least one drilling task is displayed to a user.Type: ApplicationFiled: February 15, 2021Publication date: October 21, 2021Inventors: Ginger Vinyard Hildebrand, Chunling Gu Coffman, Rustam Isangulov
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Patent number: 11105157Abstract: A method for wellbore directional drilling includes selecting a starting and stopping spatial position of at least one portion of the wellbore. A sequence of sliding and rotary drilling operations within the portion is determined to calculate a wellbore trajectory. The sequence has at least one drilling operating parameter. The operations include a constraint on the drilling operating parameter or the calculated trajectory. The calculated trajectory includes a projected steering response of a steerable motor in response to the at least one drilling operating parameter. Drilling the portion of the wellbore is started. A spatial position of the wellbore during drilling is determined at least one point intermediate the starting and stopping positions. Using a relationship between the projected steering response and the drilling operating parameter, the drilling parameter and/or the constraint are adjusted based on the measured spatial position and the stopping spatial position.Type: GrantFiled: April 5, 2020Date of Patent: August 31, 2021Assignee: Schlumberger Technology CorporationInventors: Matthew Summers, Ginger Vinyard Hildebrand, Wayne Kotovsky, Chunling Gu Coffman, Rustam Isangulov
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Patent number: 10920565Abstract: A method for wellbore construction management includes measuring at least one drilling operating parameter during drilling of a wellbore. At least one well state parameter is calculated from the measured drilling operating parameter. A difference between the calculated well state parameter and a predetermined value of the well state parameter is determined. When the difference exceeds a selected threshold a modified well plan is calculated comprising at least one drilling task to enable construction of at least part of the wellbore to conform to the modified well plan. The at least one drilling task is displayed to a user.Type: GrantFiled: December 20, 2013Date of Patent: February 16, 2021Assignee: Schlumberger Technology CorporationInventors: Ginger Vinyard Hildebrand, Chunling Gu Coffman, Rustam Isangulov
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Publication number: 20200248508Abstract: A method for wellbore directional drilling includes selecting a starting and stopping spatial position of at least one portion of the wellbore. A sequence of sliding and rotary drilling operations within the portion is determined to calculate a wellbore trajectory. The sequence has at least one drilling operating parameter. The operations include a constraint on the drilling operating parameter or the calculated trajectory. The calculated trajectory includes a projected steering response of a steerable motor in response to the at least one drilling operating parameter. Drilling the portion of the wellbore is started. A spatial position of the wellbore during drilling is determined at least one point intermediate the starting and stopping positions. Using a relationship between the projected steering response and the drilling operating parameter, the drilling parameter and/or the constraint are adjusted based on the measured spatial position and the stopping spatial position.Type: ApplicationFiled: April 5, 2020Publication date: August 6, 2020Inventors: Matthew Summers, Ginger Vinyard Hildebrand, Wayne Kotovsky, Chunling Gu Coffman, Rustam Isangulov
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Patent number: 10612307Abstract: A method for wellbore directional drilling includes selecting a starting and stopping spatial position of at least one portion of the wellbore. A sequence of sliding and rotary drilling operations within the portion is determined to calculate a wellbore trajectory. The sequence has at least one drilling operating parameter. The operations include a constraint on the drilling operating parameter or the calculated trajectory. The calculated trajectory includes a projected steering response of a steerable motor in response to the at least one drilling operating parameter. Drilling the portion of the wellbore is started. A spatial position of the wellbore during drilling is determined at at least one point intermediate the starting and stopping positions. Using a relationship between the projected steering response and the drilling operating parameter, the drilling parameter and/or the constraint are adjusted based on the measured spatial position and the stopping spatial position.Type: GrantFiled: July 23, 2015Date of Patent: April 7, 2020Assignee: Schlumberger Technology CorporationInventors: Matthew Summers, Ginger Vinyard Hildebrand, Wayne Kotovsky, Chunling Gu Coffman, Rustam Isangulov
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Patent number: 10430897Abstract: A method for automatically generating a drilling rig activity report while operating the rig includes receiving sensor measurements from a plurality of surface sensors deployed on the drilling rig. The sensor measurements may be made in real time while operating the rig and may be processed to compute rig state/activity information. The rig state(s) and a user defined report configuration may then be further processed to automatically generate the rig activity report.Type: GrantFiled: March 19, 2014Date of Patent: October 1, 2019Assignee: Schlumberger Technology CorporationInventors: Sunil Kumar Khare, Chunling Gu Coffman, John Christian Luppens
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Publication number: 20190228359Abstract: A method can include determining an ideal activity speed profile of an activity for a well, where the ideal activity speed profile of the activity for the well corresponds to a length of the well; forecasting a start time and a stop time using the ideal activity speed profile of the activity; generating a drilling plan using the start time and the stop time where another activity commences after the stop time; during performance of the activity for the well, receiving data indicative of an actual activity speed of the activity for the well for a corresponding length of the well; during the performance of the activity, deciding to make an adjustment to the performance of the activity for the well using the ideal activity speed profile and the actual activity speed of the activity for the well; and adjusting the stop time of the drilling plan.Type: ApplicationFiled: April 1, 2019Publication date: July 25, 2019Inventors: Ginger Hildebrand, Chunling Gu Coffman, John Christian Luppens
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Publication number: 20190188618Abstract: A method for scheduling wellbore construction activities includes entering a well plan into a computer. The well plan includes estimated start and stop times for a plurality of activities in a predetermined sequence. Progress of selected ones of the plurality of activities is measured during their performance. In the computer, expected ending time of at least one of the plurality of activities is recalculated based on progress thereof during that activity. In the computer, expected start and stop times are recalculated for each activity subsequent to the activity in progress based on the recalculated expected ending time. The recalculated start and stop times for each subsequent activity are displayed.Type: ApplicationFiled: February 18, 2019Publication date: June 20, 2019Inventors: Ginger Hildebrand, Chunling Gu Coffman, John Christian Luppens
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Patent number: 10316653Abstract: A method for optimizing drilling includes initializing values of a plurality of drilling operating parameters and drilling response parameters. In a computer, an initial relationship between the plurality of drilling operating parameters and drilling response parameters is determined. A drilling unit to drill a wellbore through subsurface formations. The drilling operating parameters and drilling response parameters are measured during drilling and entered into the computer. A range of values and an optimum value for at least one of the drilling response parameters and at least one of the drilling response parameters is determined in the computer. A display of the at least one of the plurality of drilling operating parameters and the at least one of the drilling response parameters is generated by the computer.Type: GrantFiled: November 11, 2014Date of Patent: June 11, 2019Assignee: Schlumberger Technology CorporationInventors: Chunling Gu Coffman, Rustam Isangulov, Oney Erge, John Christian Luppens, Ginger Hildebrand, Wayne Kotovsky
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Publication number: 20190122151Abstract: A method for managing well construction operations includes accepting as input to a computer a list of tasks required to complete construction of at least one wellbore, the list of tasks having at least an initial chronological order. Measurements of at least one parameter related to at least one task on the list of tasks is entered into the computer. The list of tasks is prioritized by at least one of changing a chronological order of performance or a length of time to complete at least one of the tasks based on measurements of the at least one parameter. The prioritizing is performed to optimize at least one well construction performance parameter. The prioritized list is displayed to at least one user of the computer.Type: ApplicationFiled: August 27, 2018Publication date: April 25, 2019Inventors: Ginger Hildebrand, Chunling Gu Coffman
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Patent number: 10248920Abstract: A method for scheduling wellbore construction activities includes entering a well plan into a computer. The well plan includes estimated start and stop times for a plurality of activities in a predetermined sequence. Progress of selected ones of the plurality of activities is measured during their performance. In the computer, expected ending time of at least one of the plurality of activities is recalculated based on progress thereof during that activity. In the computer, expected start and stop times are recalculated for each activity subsequent to the activity in progress based on the recalculated expected ending time. The recalculated start and stop times for each subsequent activity are displayed.Type: GrantFiled: November 6, 2014Date of Patent: April 2, 2019Assignee: Schlumberger Technology CorporationInventors: Ginger Hildebrand, Chunling Gu Coffman, John Christian Luppens
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Patent number: 10062044Abstract: A method for managing well construction operations includes accepting as input to a computer a list of tasks required to complete construction of at least one wellbore, the list of tasks having at least an initial chronological order. Measurements of at least one parameter related to at least one task on the list of tasks is entered into the computer. The list of tasks is prioritized by at least one of changing a chronological order of performance or a length of time to complete at least one of the tasks based on measurements of the at least one parameter. The prioritizing is performed to optimize at least one well construction performance parameter. The prioritized list is displayed to at least one user of the computer.Type: GrantFiled: April 8, 2015Date of Patent: August 28, 2018Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Ginger Hildebrand, Chunling Gu Coffman
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Patent number: 9957790Abstract: A method for optimizing wellbore pipe tripping operation includes entering into a computer parameters related to a maximum safe pipe movement speed within the wellbore along at least one selected depth interval along the wellbore. A maximum safe pipe movement speed is calculated. An actual pipe movement speed is measured along the at least one selected depth interval. In the computer, a display is generated of the measured pipe movement speed along with the maximum safe pipe movement speed over the at least one selected depth interval.Type: GrantFiled: November 9, 2014Date of Patent: May 1, 2018Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Ginger Hildebrand, Chunling Gu Coffman, John Christian Luppens
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Publication number: 20170306702Abstract: A method for wellbore directional drilling includes selecting a starting and stopping spatial position of at least one portion of the wellbore. A sequence of sliding and rotary drilling operations within the portion is determined to calculate a wellbore trajectory. The sequence has at least one drilling operating parameter. The operations include a constraint on the drilling operating parameter or the calculated trajectory. The calculated trajectory includes a projected steering response of a steerable motor in response to the at least one drilling operating parameter. Drilling the portion of the wellbore is started. A spatial position of the wellbore during drilling is determined at at least one point intermediate the starting and stopping positions. Using a relationship between the projected steering response and the drilling operating parameter, the drilling parameter and/or the constraint are adjusted based on the measured spatial position and the stopping spatial position.Type: ApplicationFiled: July 23, 2015Publication date: October 26, 2017Inventors: Matthew Summers, Ginger Vinyard Hildebrand, Wayne Kotovsky, Chunling Gu Coffman, Rustam Isangulov
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Publication number: 20150371344Abstract: A method for automatically generating a drilling rig activity report while operating the rig includes receiving sensor measurements from a plurality of surface sensors deployed on the drilling rig. The sensor measurements may be made in real time while operating the rig and may be processed to compute rig state/activity information. The rig state(s) and a user defined report configuration may then be further processed to automatically generate the rig activity report.Type: ApplicationFiled: March 19, 2014Publication date: December 24, 2015Inventors: Sunil Kumar Khare, Chunling Gu Coffman, John Christian Luppens