Modeling and designing of well drilling system that accounts for vibrations
First Claim
1. A method of modeling drilling equipment comprising:
- constructing two or more design configurations, wherein each of the design configurations represents at least a portion of a bottom hole assembly (BHA);
identifying operating parameters for the two or more design configurations;
selecting lateral model mathematical boundary conditions for a lateral beam bending mathematical model that provide system excitation through a lateral mode, wherein the two or more design configurations are subjected to identical lateral system excitation;
calculating lateral beam bending results using the lateral beam bending mathematical model in a computer processor accessing non-transitory computer readable media, for each of the two or more design configurations using the identified operating parameters and the selected mathematical boundary conditions;
comparing the calculated results for the two or more design configurations;
displaying the calculated results of at least one of the two or more design configurations;
selecting operating parameters for at least a portion of a bottom hole assembly design configuration, based on the calculated results for the two or more design configurations, and selecting at least a portion of the bottom hole assembly design configuration, based on the selected operating parameters; and
drilling a well with drilling equipment based at least on the selected bottom hole assembly design configuration.
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Abstract
A method and apparatus associated with the production of hydrocarbons is disclosed. The method, which relates to modeling of drilling equipment, includes constructing one or more design configurations for at least a portion of a bottom hole assembly (BHA) and calculating results from each of the one or more design configurations. The calculated results of the modeling may include one or more performance indices that characterize the BHA vibration performance of the design configurations for operating parameters and boundary conditions that are substantially the same or may be different. These results are then simultaneously displayed for a user to facilitate design selection. The selected BHA design configuration may then be utilized in a well construction operation and thus associated with the production of hydrocarbons.
54 Citations
46 Claims
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1. A method of modeling drilling equipment comprising:
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constructing two or more design configurations, wherein each of the design configurations represents at least a portion of a bottom hole assembly (BHA); identifying operating parameters for the two or more design configurations; selecting lateral model mathematical boundary conditions for a lateral beam bending mathematical model that provide system excitation through a lateral mode, wherein the two or more design configurations are subjected to identical lateral system excitation; calculating lateral beam bending results using the lateral beam bending mathematical model in a computer processor accessing non-transitory computer readable media, for each of the two or more design configurations using the identified operating parameters and the selected mathematical boundary conditions; comparing the calculated results for the two or more design configurations; displaying the calculated results of at least one of the two or more design configurations; selecting operating parameters for at least a portion of a bottom hole assembly design configuration, based on the calculated results for the two or more design configurations, and selecting at least a portion of the bottom hole assembly design configuration, based on the selected operating parameters; and drilling a well with drilling equipment based at least on the selected bottom hole assembly design configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A modeling system comprising:
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a processor; a memory coupled to the processor; and a set of computer readable instructions accessible by the processor, wherein the set of computer readable instructions are configured to enable a process that comprises; constructing two or more design configurations, wherein each of the design configurations represents at least a portion of a bottom hole assembly (BHA); identifying operating parameters for the two or more design configurations; selecting lateral model mathematical boundary conditions that provide system excitation through a lateral mode, wherein the two or more design configurations are subjected to identical lateral system excitation; calculating results for each of the two or more design configurations using a lateral beam bending model comprising mass and beam bending mathematical elements that includes lateral beam bending analysis, the identified operating parameters and the selected mathematical boundary conditions; comparing the calculated results for the two or more design configurations; displaying the calculated results of at least one of the two or more design configurations; selecting operating parameters for at least a portion of a bottom hole assembly design configuration, based on the calculated results for the two or more design configurations, and selecting at least a portion of the bottom hole assembly design configuration, based on the selected operating parameters; and drilling a well with drilling equipment based at least on the selected bottom hole assembly design configuration. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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Specification