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公开(公告)号：US20230068373A1
公开(公告)日：2023-03-02
申请号：US17446537
申请日：2021-08-31
Applicant: Landmark Graphics Corporation
Inventor： Jiazuo Zhang
Abstract: A method comprises receiving a current dataset for a current time window from at least one sensor in a wellbore created in a subsurface formation, wherein the current dataset comprises values of a number of current features of the subsurface formation at a spatial location in the wellbore. The method includes selecting at least one previous time window from a number of previous time windows that includes a previously cached dataset that was detected by the at least one sensor or a different sensor in the wellbore and that spatially overlaps with the spatial location for the current dataset. The method includes merging the current dataset with the previously cached dataset to create a merged dataset. The method includes selecting a machine learning model from a plurality of machine learning models for the spatial location in the wellbore based on the merged dataset.
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公开(公告)号：US20230067499A1
公开(公告)日：2023-03-02
申请号：US17461294
申请日：2021-08-30
Applicant: Landmark Graphics Corporation
Inventor： Robello Samuel , William Wade Samec , Roddy Hebert , Robert H. Gales , Abbas Sami Eyuboglu
IPC: E21B33/14 , E21B33/134
Abstract: A location of a cut and an amount of force to be used in a pull operation for a plug & abandonment (P&A) operation can be determined. Measurements of at least one characteristic of fluids and solids disposed in an annulus defined between a casing and a wall of a wellbore can be received. A total fluid and solid friction force drag can be determined using hydrostatic force that is determined from the measurements. A mechanical friction force drag can be determined based on a weight of the casing. The mechanical friction force drag and the total fluid and solid friction force drag can be used to determine a friction factor. The friction factor can be used to determine a depth location at which to cut the casing and a pull force for pulling the casing from the wellbore in the P&A operation.
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公开(公告)号：US11591895B2
公开(公告)日：2023-02-28
申请号：US16754850
申请日：2018-10-15
Applicant: LANDMARK GRAPHICS CORPORATION
Inventor： Srinath Madasu , Keshava Prasad Rangarajan
IPC: E21B44/00
Abstract: A system and method for controlling a drilling tool inside a wellbore makes use of simulated annealing and Bayesian optimization to determine optimum controllable drilling parameters. In some aspects, a computing device generates sampled exploration points using simulated annealing and runs a Bayesian optimization using a loss function and the exploration points to optimize at least one controllable drilling parameter to achieve a predicted value for a selected drilling parameter. In some examples, the selected drilling parameter is rate-of-penetration (ROP) and in some examples, the controllable drilling parameters include such parameters as rotational speed (RPM) and weight-on-bit (WOB). In some examples, the computing device applies the controllable drilling parameter(s) to the drilling tool to achieve the predicted value for the selected drilling parameter and provide real-time, closed-loop control and automation in drilling.
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公开(公告)号：US20230058683A1
公开(公告)日：2023-02-23
申请号：US17404446
申请日：2021-08-17
Applicant: Landmark Graphics Corporation
Inventor： Paulo Alves Braz , Roger David Marin Martinez , Gabriel Tirado , Marcelo Gomes de Souza , Damian Martinez , Henrique de Azevedo Araujo , Cristian Fattori
Abstract: A method includes acquiring historical well construction data associated with a set of historical wells. The method also includes developing a well construction model using the corpus of historical well construction data. Additionally, the method includes acquiring real-time well construction data during a well construction operation and applying the well construction model to the real-time well construction data to identify changes to a well construction parameter. Further, the method includes outputting a command to update the well construction operation using the changes to the well construction parameter.
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公开(公告)号：US11555397B2
公开(公告)日：2023-01-17
申请号：US17120304
申请日：2020-12-14
Applicant: Landmark Graphics Corporation
Inventor： Robello Samuel
IPC: E21B47/02 , E21B47/022 , E21B47/007 , G01B21/32
Abstract: Methods and systems for determining wellpath tortuosity are disclosed. In accordance with an embodiment, a tortuosity of a borehole segment is determined and a tortuosity of a casing associated with the borehole segment is determined based, at least in part, on the tortuosity of the borehole segment and a path conformity characteristic of the casing. A tortuosity variation factor is generated based on a value of the tortuosity of the casing relative to a value of the tortuosity of the borehole segment.
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Patent Agency Ranking
公开(公告)号：US20220412182A1
公开(公告)日：2022-12-29
申请号：US17361586
申请日：2021-06-29
Applicant: Landmark Graphics Corporation
Inventor： Robello Samuel , Rishi Adari
Abstract: The disclosure presents processes and methods for determining an overpull force for a stuck drill string in a borehole system. The fluid composition of a mud in the borehole at a specified depth can be broken down into a percentage of liquid and percentage of solids, as well as adjusting for material sag and settling factors. The fluid composition can be utilized to identify friction factors and drag in respective fluid composition zones. Each friction factor and drag can be summed to determine a total fluid drag on the drill string. In some aspects, the total fluid drag can be adjusted utilizing the relative positioning of casing collars and tool joints. The total fluid drag can be summed with the other force factors, such as a shear force and mechanical drag. The total drag can then be utilized as the overpull force applied to the stuck drill string.
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公开(公告)号：US11525942B2
公开(公告)日：2022-12-13
申请号：US17118150
申请日：2020-12-10
Applicant: Landmark Graphics Corporation
Inventor： Robello Samuel , Manish Kumar Mittal
Abstract: The disclosure presents processes and methods for decomposing friction factors and generating a calibrated friction factor and adjusted input parameters. The calibrated friction factor and adjusted input parameters can be utilized by a borehole system as an input to adjust borehole operations to improve the operational efficiency. The friction factors can be decomposed by type, such as geometrical, geomechanical, mechanical, and fluid. The disclosure also presents processes and methods for identifying an outlier portion of a friction factor, as identified by a deviation threshold that can be used to identify adjustments to borehole operations in that portion of the borehole. A system is disclosed that is capable of implementing the processes and methods in a borehole operation system, such as a downhole system, a surface system, or a distant system, for example, a data center, cloud environment, lab, corporate office, or other location.
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公开(公告)号：US20220366108A1
公开(公告)日：2022-11-17
申请号：US16301319
申请日：2018-03-08
Applicant: Landmark Graphics Corporation
Inventor： Andrey Filippov , Jianxin Lu
IPC: G06F30/27 , E21B47/117
Abstract: An estimated gas leak flow rate can be determined using a teaching set of concentration profiles, a regression model implemented by a machine-learning subsystem, and a subset of attributes measured within an environment. The teaching set of concentration profiles can include gas flow rates associated with relevant attributes. The regression model can be transformed into a gas leak flow regression model via the machine-learning subsystem using the teaching set. The subset of attributes measured within the environment can be applied to the gas leak flow regression model to determine other attributes absent from the subset of attributes and an estimated gas flow rate for the environment. A gas leak attenuation action can be performed in response to the estimated gas flow rate.
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公开(公告)号：US20220342104A1
公开(公告)日：2022-10-27
申请号：US17761462
申请日：2019-10-18
Applicant: Landmark Graphics Corporation
Inventor： Benjamin Patrick Ivko , Oliver Nicholas Morris
Abstract: Displaying a spiral-shaped visualization of a geological time scale according to some aspects may include accessing a time-attributed data set representing a geological time scale of a subterranean region. The geological time scale may be segmented into a hierarchy of intervals (e.g., periods, epochs, and stages). The spiral-shaped visualization may include a path formed in a spiral formation. The path may begin at a center position of the spiral-shaped visualization and may end at an outer portion of the spiral-shaped visualization. The beginning of the path may represent a first time of the geological time scale. The ending of the path may represent a second time of the geological time scale. The spiral-shaped visualization may also be segmented to represent the hierarchy of intervals. Additionally, the spiral-shaped visualization may be interactive. Selecting an interval of the path may automatically cause the intervals of the spiral-shaped visualization to be filtered.
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公开(公告)号：US20220341315A1
公开(公告)日：2022-10-27
申请号：US17238938
申请日：2021-04-23
Applicant: Landmark Graphics Corporation
Inventor： Henrique de Azevedo Araujo , Paulo Alves Braz , Marcelo Gomes de Souza
Abstract: Process-mining software is disclosed for generating a process flow for forming a wellbore at a wellsite. The process-mining software can receive data from sensors at a wellsite. The process-mining software can determine wellbore operations performed at the wellsite, based on the received data, using a predefined algorithm. The process-mining software can generate an event log based on the determined wellbore operations. The process-mining software can then generate a process flow based on the event log. The process-mining software can output the process flow for use in forming one or more wellbores.
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