Methods, systems, and media for controlling a toolface of a downhole tool

    公开(公告)号:US11585205B2

    公开(公告)日:2023-02-21

    申请号:US17147037

    申请日:2021-01-12

    Abstract: There is described a method of determining a reactive torque factor for use in controlling a toolface of a downhole tool. For each of one or more sliding operations, a change in a top drive position of a drive unit operable to rotate a drill string connected to the downhole tool is determined, a change in a toolface of the downhole tool is determined, and a change in a differential pressure is determined. Based on the change in the top drive position, the change in the toolface, and the change in the differential pressure, a reactive torque factor is determined.

    Method and system for performing automated drilling of a wellbore

    公开(公告)号:US10767462B2

    公开(公告)日:2020-09-08

    申请号:US16251402

    申请日:2019-01-18

    Abstract: Methods, systems, and techniques for performing automated drilling of a wellbore. The wellbore is drilled in response to a first drilling parameter target (such as weight on bit) that includes a first drilling parameter offset modified by a first drilling parameter perturbation signal. A first drilling performance metric (such as rate of penetration) is measured and is indicative of a response of the drilling to the first drilling parameter target. An output of a first objective function is determined using the measured first drilling performance metric. A first correlation between the output of the first objective function and the first drilling parameter perturbation signal, and an integral of the first correlation, are determined. The first drilling parameter target is updated using the integral modified by the first drilling parameter perturbation signal. The wellbore is drilled in response to the updated first drilling parameter target.

    SYSTEM AND DEVICE FOR MEASURING FLUID FLOW WITHIN A CONDUIT

    公开(公告)号:US20190277672A1

    公开(公告)日:2019-09-12

    申请号:US15917433

    申请日:2018-03-09

    Abstract: There is described a system for measuring fluid flow within a conduit. The system comprises a conduit for conveying a fluid, a mount attached to the conduit which may define a high-pressure zone in an interior of the conduit and a low-pressure zone in an exterior of the conduit, and a flow sensing device attached to the mount and configured to move relative to the mount in response to flow of the fluid within the conduit. The flow sensing device is attached to the mount via a coupling which may be located within the high-pressure zone. The system further includes a sensor configured to measure movement of the flow sensing device. The flow sensing device may comprise a paddle and a straight arm extending from the paddle to the coupling

    METHOD AND SYSTEM FOR PERFORMING AUTOMATED DRILLING OF A WELLBORE

    公开(公告)号:US20180283160A1

    公开(公告)日:2018-10-04

    申请号:US15829347

    申请日:2017-12-01

    CPC classification number: E21B44/02 E21B45/00

    Abstract: Methods, systems, and techniques for performing automated drilling of a wellbore. The wellbore is drilled in response to a first drilling parameter target (such as weight on bit) that includes a first drilling parameter offset modified by a first drilling parameter perturbation signal. A first drilling performance metric (such as rate of penetration) is measured and is indicative of a response of the drilling to the first drilling parameter target. An output of a first objective function is determined using the measured first drilling performance metric. A first correlation between the output of the first objective function and the first drilling parameter perturbation signal, and an integral of the first correlation, are determined. The first drilling parameter target is updated using the integral modified by the first drilling parameter perturbation signal. The wellbore is drilled in response to the updated first drilling parameter target.

    SYSTEMS AND METHODS FOR PRESSURE DIFFERENTIAL MOLECULAR SPECTROSCOPY OF COMPRESSIBLE FLUIDS
    29.
    发明申请
    SYSTEMS AND METHODS FOR PRESSURE DIFFERENTIAL MOLECULAR SPECTROSCOPY OF COMPRESSIBLE FLUIDS 有权
    可压缩流体的压力差分分析系统和方法

    公开(公告)号:US20170030829A1

    公开(公告)日:2017-02-02

    申请号:US15290684

    申请日:2016-10-11

    Inventor: Vidi A. Saptari

    Abstract: Described herein is a spectroscopic system and method for measuring and monitoring the chemical composition and/or impurity content of a sample or sample stream using absorption light spectroscopy. Specifically, in certain embodiments, this invention relates to the use of sample pressure variation to alter the magnitude of the absorption spectrum (e.g., wavelength-dependent signal) received for the sample, thereby obviating the need for a reference or ‘zero’ sample. Rather than use a reference or ‘zero’ sample, embodiments described herein obtain a spectrum/signal from a sample-containing cell at both a first pressure and a second (different) pressure.

    Abstract translation: 本文描述的是使用吸收光谱测量和监测样品或样品流的化学成分和/或杂质含量的光谱系统和方法。 具体来说,在某些实施方案中,本发明涉及使用样品压力变化来改变为样品接收的吸收光谱的幅度(例如,依赖于波长的信号),从而避免了对参考或“零”样品的需要。 不是使用参考或“零”样本,本文所述的实施例在第一压力和第二(不同)压力下都从含样品的电池获得光谱/信号。

    METHODS, SYSTEMS, AND MEDIA FOR CONTROLLING A TOOLFACE OF A DOWNHOLE TOOL

    公开(公告)号:US20220106865A1

    公开(公告)日:2022-04-07

    申请号:US17147037

    申请日:2021-01-12

    Abstract: There is described a method of determining a reactive torque factor for use in controlling a toolface of a downhole tool. For each of one or more sliding operations, a change in a top drive position of a drive unit operable to rotate a drill string connected to the downhole tool is determined, a change in a toolface of the downhole tool is determined, and a change in a differential pressure is determined. Based on the change in the top drive position, the change in the toolface, and the change in the differential pressure, a reactive torque factor is determined.

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