Methods for analyzing and optimizing casing while drilling assemblies
First Claim
Patent Images
1. has been amended as following:
- A system for selecting a bottomhole assembly (BHA), comprising;
a computing device comprising a computing processor executing instructions to perform;
executing a first simulation to generate a first set of performance data, and executing a second simulation to generate a second set of performance data; and
the computing device comprising a graphical user interface executing on the computer processor with functionality to perform;
inputting a plurality of casing while drilling BHA parameters, a plurality of wellbore parameters, and a plurality of casing while drilling operating parameters,presenting, on the graphical user interface, the first set of performance data from the first simulation, the first simulation based on the plurality of casing while drilling BHA parameters, the plurality of wellbore parameters, and the plurality of casing while drilling operating parameters, and the first set of performance data including drilling performance of at least one of casing string, a casing shoe, a casing profile nipple or a drilling lock assembly;
modifying, based on the first set of performance data, at least one parameter selected from the group consisting of the plurality of casing while drilling BHA parameters, the plurality of wellbore parameters, and the plurality of casing while drilling operating parameters, wherein modifying includes;
determining a plurality of rates of penetration corresponding to the BHA operating at a plurality of weight on bit (WOB) or weight on reamer (WOR) values and a plurality of rotation speeds;
determining axial vibration, lateral vibration, and stick-slip probability at the plurality of rates of penetration;
determining stability of a drilling process employing the BHA at the WOB or WOR values and the rotation speeds based on the determined axial vibration, lateral vibration, or stick-slip probability; and
adjusting the at least one parameter to obtain a modified parameter, based on the determined stability and rates of penetrationpresenting, on the graphical user interface, the second set of performance data from the second simulation, the second simulation based on the modified parameter, and the second set of performance data including drilling performance of at least one of casing string, a casing shoe, a casing profile nipple or a drilling lock assembly; and
selecting a BHA based on the first and second sets of performance data.
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Abstract
A method for selecting a bottomhole assembly (BHA) includes inputting casing while drilling BHA parameters, wellbore parameters, and casing while drilling operating parameters, performing a dynamic simulation of a first BHA based on the casing while drilling BHA parameters, wellbore parameters, and casing while drilling operating parameters, and presenting a first set of performance data of the first BHA calculated from the dynamic simulation.
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Citations
17 Claims
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1. has been amended as following:
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A system for selecting a bottomhole assembly (BHA), comprising; a computing device comprising a computing processor executing instructions to perform; executing a first simulation to generate a first set of performance data, and executing a second simulation to generate a second set of performance data; and the computing device comprising a graphical user interface executing on the computer processor with functionality to perform; inputting a plurality of casing while drilling BHA parameters, a plurality of wellbore parameters, and a plurality of casing while drilling operating parameters, presenting, on the graphical user interface, the first set of performance data from the first simulation, the first simulation based on the plurality of casing while drilling BHA parameters, the plurality of wellbore parameters, and the plurality of casing while drilling operating parameters, and the first set of performance data including drilling performance of at least one of casing string, a casing shoe, a casing profile nipple or a drilling lock assembly; modifying, based on the first set of performance data, at least one parameter selected from the group consisting of the plurality of casing while drilling BHA parameters, the plurality of wellbore parameters, and the plurality of casing while drilling operating parameters, wherein modifying includes; determining a plurality of rates of penetration corresponding to the BHA operating at a plurality of weight on bit (WOB) or weight on reamer (WOR) values and a plurality of rotation speeds; determining axial vibration, lateral vibration, and stick-slip probability at the plurality of rates of penetration; determining stability of a drilling process employing the BHA at the WOB or WOR values and the rotation speeds based on the determined axial vibration, lateral vibration, or stick-slip probability; and adjusting the at least one parameter to obtain a modified parameter, based on the determined stability and rates of penetration presenting, on the graphical user interface, the second set of performance data from the second simulation, the second simulation based on the modified parameter, and the second set of performance data including drilling performance of at least one of casing string, a casing shoe, a casing profile nipple or a drilling lock assembly; and selecting a BHA based on the first and second sets of performance data. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for selecting a bottomhole assembly (BHA), comprising:
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inputting casing while drilling BHA parameters, wellbore parameters, and casing while drilling operating parameters; performing a dynamic simulation of a first BHA based on the casing while drilling BHA parameters, wellbore parameters, and casing while drilling operating parameters; presenting a first set of performance data of the first BHA calculated from the dynamic simulation, wherein the first set of performance data includes drilling performance of at least one of casing string, a casing shoe, a casing profile nipple or a drilling lock assembly, and wherein the first set of performance data is at least partially calculated by; determining a plurality of rates of penetration corresponding to the BHA operating with a plurality of weight on bit (WOB) or weight on reamer (WOR) values and a plurality of rotation speeds; determining axial vibration, lateral vibration, and stick-slip probability at the plurality of rates of penetration; and determining stability of a drilling process employing the BHA at the WOB or WOR values and the rotation speeds based on the determined at least one of axial vibration, lateral vibration, or stick-slip probability; modifying, based on the first set of performance data, at least one parameter selected from the group consisting of casing while drilling BHA parameters, wellbore parameters, and casing while drilling operating parameters, wherein modifying involves changing a value of the at least one parameter to obtain a modified parameter; performing a dynamic simulation of a second BHA based on the modified parameter; presenting a second set of performance data calculated from the dynamic simulation of the second BHA, the second set of performance data including drilling performance of at least one of casing string, a casing shoe, a casing profile nipple or a drilling lock assembly; and selecting a BHA based on the first and second sets of performance data. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification