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    METHOD AND APPARATUS FOR OPTIMIZED UNDERBALANCED DRILLING
    1.
    发明申请
    METHOD AND APPARATUS FOR OPTIMIZED UNDERBALANCED DRILLING 审中-公开
    优化不平衡钻井的方法和装置

    公开(公告)号：US20160290106A1

    公开(公告)日：2016-10-06

    申请号：US15035479

    申请日：2013-11-27

    Applicant: LANDMARK GRAPHICS CORPORATION

    Inventor： Xiaoqian HUANG ,  Robello SAMUEL

    IPC: E21B41/00 ,  G06F17/50 ,  E21B21/08

    CPC classification number: E21B41/0092 ,  E21B21/08 ,  E21B2021/006 ,  G06F17/5009

    Abstract: The invention concerns a computer implemented method for underbalanced drilling. In one embodiment, the method includes determining a plurality of gas injection rate versus bottom hole pressure curves for a plurality of liquid injection rates for a specified minimum and maximum gas injection rate and a minimum and maximum liquid injection rate. Next, the method determines a set of four interception curves including a minimum motor equivalent liquid rate interception curve, a minimum vertical liquid velocity intercept curve, a minimum horizontal liquid velocity intercept curve, and a maximum motor equivalent liquid rate intercept curve for a specified minimum and maximum mud motor rate range and a minimum horizontal and vertical annulus velocity.

    Abstract translation: 本发明涉及用于欠平衡钻井的计算机实现方法。 在一个实施例中，该方法包括针对特定的最小和最大气体喷射速率以及最小和最大液体喷射速率确定多个液体喷射速率的多个气体喷射速率对底部孔压力曲线。 接下来，该方法确定一组四个截取曲线，包括最小电动机等效液体截流曲线，最小垂直液体速度截距曲线，最小水平液体速度截距曲线和指定最小值的最大电机等效液体速率截距曲线 最大泥马达速度范围和最小水平和垂直环速。

    UOE Pipe Casing Design Tool
    2.
    发明申请
    UOE Pipe Casing Design Tool 有权

    公开(公告)号：US20220205340A1

    公开(公告)日：2022-06-30

    申请号：US17607541

    申请日：2020-01-02

    Applicant: Landmark Graphics Corporation

    Inventor： Zhengchun LIU ,  Robello SAMUEL ,  Adolfo GONZALES ,  Max O. DUNCAN ,  Jenny XIE ,  Yongfeng KANG

    IPC: E21B41/00 ,  G06F30/10 ,  E21B47/07

    Abstract: A system for designing a casing string for an oil well, a gas well, an oil and gas well, and/or a geothermal well. The system comprises a processor, a non-transitory memory storing a casing string design, wherein the casing string design comprises at least one section of UOE-type pipe, a downhole environment simulation application stored in the non-transitory memory that, when executed by the processor determines downhole conditions based on the casing string design, wherein the downhole conditions comprise a downhole temperature, and a casing collapse strength modeling application stored in the non-transitory memory that, when executed by the processor, analyzes collapse strength of the casing string based on the downhole temperature and based on a UOE-type pipe collapse strength model and presents a collapse strength report on the casing string design based on analyzing the collapse strength of the casing string.

    METHOD AND SYSTEM TO DRILL A WELLBORE AND IDENTIFY DRILL BIT FAILURE BY DECONVOLUTING SENSOR DATA
    3.
    发明申请
    METHOD AND SYSTEM TO DRILL A WELLBORE AND IDENTIFY DRILL BIT FAILURE BY DECONVOLUTING SENSOR DATA 有权

    公开(公告)号：US20210363871A1

    公开(公告)日：2021-11-25

    申请号：US16489379

    申请日：2017-05-15

    Applicant: LANDMARK GRAPHICS CORPORATION

    Inventor： Robello SAMUEL ,  Vikrant LAKHANPAL

    IPC: E21B47/00 ,  E21B12/02 ,  E21B44/00

    Abstract: A method and system to drill a wellbore and identify drill bit failure by deconvoluting sensor data. The method comprises drilling the wellbore using a drill bit; and measuring data indicative of a parameter associated with the drill bit using a sensor located in the wellbore. The method also comprises decomposing the data to generate an intrinsic mode function of the drill bit data; and analyzing the intrinsic mode function to identify a drill bit failure. The system for drilling the wellbore comprises a drill bit; a sensor; and a processor. The sensor is located in the wellbore and operable to measure data indicative of a parameter associated with the drill bit. The processor is in communication with the sensor and operable to decompose the data to generate an intrinsic mode function of the drill bit data; and analyze the intrinsic mode function to identify a drill bit failure.

    ESTIMATING CASING WEAR DUE TO DRILL STRING RECIPROCATION
    4.
    发明申请
    ESTIMATING CASING WEAR DUE TO DRILL STRING RECIPROCATION 有权

    公开(公告)号：US20170159371A1

    公开(公告)日：2017-06-08

    申请号：US14917398

    申请日：2015-06-12

    Applicant: Landmark Graphics Corporation

    Inventor： Aniket (NO LAST NAME) ,  Adolfo GONZALES ,  Robello SAMUEL

    IPC: E21B12/02 ,  G06F17/50 ,  E21B41/00

    CPC classification number: E21B12/02 ,  E21B41/0092 ,  E21B47/00 ,  G06F17/5009 ,  G06F2217/16

    Abstract: Estimating casing wear during a reciprocation portion of a drilling operation may take into account the forces that cause casing wear during the up and down strokes independently. For example, during a drilling operation, a method may include reciprocating the drill string through the wellbore for a plurality of up strokes and a plurality of down strokes according to reciprocation parameters; calculating an up stroke normal force and a down stroke normal force for the casing or a section thereof; calculating up and down stroke casing wears based on the up and down stroke normal forces, respectively, using a reciprocation casing wear model; calculating a reciprocation casing wear based on the up and down stroke casing wears; and calculating a total casing wear for the casing or the section thereof based on the reciprocation casing wear using a total casing wear model.

    SYSTEMS AND METHODS FOR DETECTING KICK AND WELL FLOW
    6.
    发明申请
    SYSTEMS AND METHODS FOR DETECTING KICK AND WELL FLOW 有权

    公开(公告)号：US20210404274A1

    公开(公告)日：2021-12-30

    申请号：US17447460

    申请日：2021-09-13

    Applicant: LANDMARK GRAPHICS CORPORATION

    Inventor： Robello SAMUEL ,  Yuan ZHANG

    IPC: E21B21/08

    Abstract: Systems and methods for detecting a gas kick within a wellbore are provided. The system includes a rotatable tool including one or more acceleration sensors and/or oscillators. The method includes rotating the rotatable tool in contact with fluid inside the wellbore and detecting changes in rotational velocity of the rotatable tool to detect the gas kick. In other aspects, the method includes detecting a change in density of the fluid within the wellbore by at least one or more pressure waves to determine the gas kick within the wellbore.

    ITERATIVE REAL-TIME STEERING OF A DRILL BIT
    7.
    发明申请
    ITERATIVE REAL-TIME STEERING OF A DRILL BIT 审中-公开

    公开(公告)号：US20200173269A1

    公开(公告)日：2020-06-04

    申请号：US16631542

    申请日：2017-08-21

    Applicant: LANDMARK GRAPHICS CORPORATION

    Inventor： Srinath MADASU ,  Keshava Prasad RANGARAJAN ,  Robello SAMUEL ,  Nishant RAIZADA

    IPC: E21B44/00 ,  E21B7/04

    Abstract: A system for real-time steering of a drill bit includes a drilling arrangement and a computing device in communication with the drilling arrangement. The system iteratively, or repeatedly, receives new data associated the wellbore. At each iteration, a model, for example an engineering model, is applied to the new data to produce an objective function defining the selected drilling parameter. The objective function is modified at each iteration to provide an updated value for the selected drilling parameter and an updated value for at least one controllable parameter. In one example, the function is modified using Bayesian optimization The system iteratively steers the drill bit to obtain the updated value for the selected drilling parameter by applying the updated value for at least one controllable parameter over the period of time that the wellbore is being formed.

    OPTIMIZED UBD OPERATION ENVELOPE
    9.
    发明申请
    OPTIMIZED UBD OPERATION ENVELOPE 审中-公开
    优化的UBD操作包

    公开(公告)号：US20170074085A1

    公开(公告)日：2017-03-16

    申请号：US15309161

    申请日：2014-06-04

    Applicant: LANDMARK GRAPHICS CORPORATION

    Inventor： Robello SAMUEL ,  Xiaoqian HUANG

    IPC: E21B44/00 ,  G05B19/18 ,  E21B41/00 ,  E21B21/08 ,  E21B4/02

    CPC classification number: E21B44/00 ,  E21B4/02 ,  E21B21/08 ,  E21B41/0092 ,  E21B43/12 ,  E21B43/30 ,  E21B2021/006 ,  G05B19/186 ,  G05B2219/45129

    Abstract: One implementation of the disclosure provides a computer implemented method for underbalanced drilling. The implementation may include determining an initial 2D UBD operation envelope based on a set of initial operating points for a selected TVD or time, displaying the initial 2D UBD operation envelope on a computer display, providing at least one data point representing actual data from a well, determining at least one actual UBD operation point using the at least one data point and displaying it a on the computer display along with the 2D UBD operation envelope, selecting an optimization parameter, determining a set of optimized operating points based on the optimization parameter, and displaying the set of optimized operating points on the computer display along with the 2D UBD operation envelope.

    Abstract translation: 本公开的一个实施方案提供了一种用于欠平衡钻井的计算机实现的方法。 该实现可以包括基于用于所选TVD或时间的一组初始操作点来确定初始2D UBD操作包络，在计算机显示器上显示初始2D UBD操作包络，提供表示来自井的实际数据的至少一个数据点 使用所述至少一个数据点确定至少一个实际UBD操作点，并将其与2D UBD操作包络一起显示在计算机显示器上，选择优化参数，基于优化参数确定一组优化的操作点， 以及在2D UBD操作信封上在计算机显示器上显示优化的操作点集合。

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