System and method to determine fatigue life of drilling components

    公开(公告)号:US11474010B2

    公开(公告)日:2022-10-18

    申请号:US16255382

    申请日:2019-01-23

    IPC分类号: G01N3/02 E21B47/06 E21B47/07

    摘要: A method is provided. An actual fatigue curve limit is determined for actual stress of a drilling component based on an actual yield strength of a material of the drilling component. A plurality of drilling parameters is simulated for the drilling component to determine one or more estimated stresses enacted on the drilling component for one or more combinations of the plurality of drilling parameters. A component life cycle of the drilling component is determined based on the actual fatigue curve limit and the plurality of drilling parameters. A consumed component life of the drilling component is determined for an actual drilling step utilizing the drilling component, and a remaining life of the drilling component after the actual drilling step is determined.

    Acoustic Receivers with Cylindrical Crystals

    公开(公告)号:US20190011404A1

    公开(公告)日:2019-01-10

    申请号:US15748783

    申请日:2017-05-25

    IPC分类号: G01N29/24 G01V1/52 G01H3/00

    摘要: An acoustic receiver and method for acoustic logging. The acoustic receiver comprises a housing and a sensor subassembly, which is located within the housing. The sensor subassembly comprises a mount and a cylindrical piezoelectric crystal coupled to the mount. The sensor subassembly also comprises an isolation ring positioned between one of the ends of the cylindrical piezoelectric crystal and the mount. The isolation ring directly engages the crystal and the mount. The method of acoustic logging comprises receiving an acoustic signal using an acoustic receiver, which comprises a cylindrical piezoelectric crystal coupled to a mount without an adhesive material. The method also comprises converting the acoustic signal into an electrical signal by the cylindrical piezoelectric crystal and transmitting the electrical signal to a processor via a conductor coupled to the cylindrical piezoelectric crystal.

    Acoustic receivers with cylindrical crystals

    公开(公告)号:US11293904B2

    公开(公告)日:2022-04-05

    申请号:US16878088

    申请日:2020-05-19

    摘要: An acoustic receiver and method for acoustic logging. The acoustic receiver comprises a housing and a sensor subassembly, which is located within the housing. The sensor subassembly comprises a mount and a cylindrical piezoelectric crystal coupled to the mount. The sensor subassembly also comprises an isolation ring positioned between one of the ends of the cylindrical piezoelectric crystal and the mount. The isolation ring directly engages the crystal and the mount. The method of acoustic logging comprises receiving an acoustic signal using an acoustic receiver, which comprises a cylindrical piezoelectric crystal coupled to a mount without an adhesive material. The method also comprises converting the acoustic signal into an electrical signal by the cylindrical piezoelectric crystal and transmitting the electrical signal to a processor via a conductor coupled to the cylindrical piezoelectric crystal.

    Acoustic receivers with cylindrical crystals

    公开(公告)号:US10663435B2

    公开(公告)日:2020-05-26

    申请号:US15748783

    申请日:2017-05-25

    摘要: An acoustic receiver and method for acoustic logging. The acoustic receiver comprises a housing and a sensor subassembly, which is located within the housing. The sensor subassembly comprises a mount and a cylindrical piezoelectric crystal coupled to the mount. The sensor subassembly also comprises an isolation ring positioned between one of the ends of the cylindrical piezoelectric crystal and the mount. The isolation ring directly engages the crystal and the mount. The method of acoustic logging comprises receiving an acoustic signal using an acoustic receiver, which comprises a cylindrical piezoelectric crystal coupled to a mount without an adhesive material. The method also comprises converting the acoustic signal into an electrical signal by the cylindrical piezoelectric crystal and transmitting the electrical signal to a processor via a conductor coupled to the cylindrical piezoelectric crystal.

    Downhole vibration for improved subterranean drilling

    公开(公告)号:US10352100B2

    公开(公告)日:2019-07-16

    申请号:US15504310

    申请日:2014-09-15

    发明人: Minh Dang Nguyen

    摘要: A downhole oscillation tool and method for axially vibrating a drill bit. In some embodiments, modular actuation assemblies may be provided, which may be readily interchanged between a housing and a shaft to axially vibrate the shaft with respect to the housing. Modular actuation assemblies may be mechanical, hydraulic, electric, or piezoelectric, for example, and may be characterized by differing oscillation frequencies. In some embodiments, a piezo element may be provided between the housing and the shaft.

    Acoustic Receivers with Cylindrical Crystals

    公开(公告)号:US20200278326A1

    公开(公告)日:2020-09-03

    申请号:US16878088

    申请日:2020-05-19

    摘要: An acoustic receiver and method for acoustic logging. The acoustic receiver comprises a housing and a sensor subassembly, which is located within the housing. The sensor subassembly comprises a mount and a cylindrical piezoelectric crystal coupled to the mount. The sensor subassembly also comprises an isolation ring positioned between one of the ends of the cylindrical piezoelectric crystal and the mount. The isolation ring directly engages the crystal and the mount. The method of acoustic logging comprises receiving an acoustic signal using an acoustic receiver, which comprises a cylindrical piezoelectric crystal coupled to a mount without an adhesive material. The method also comprises converting the acoustic signal into an electrical signal by the cylindrical piezoelectric crystal and transmitting the electrical signal to a processor via a conductor coupled to the cylindrical piezoelectric crystal.

    Latch antenna shield for downhole logging tool

    公开(公告)号:US10698127B2

    公开(公告)日:2020-06-30

    申请号:US15884235

    申请日:2018-01-30

    摘要: An antenna shield latches around a mandrel or wellbore tubular to protect an antenna carried by the mandrel. The antenna shield opens to facilitate installation over the mandrel, and closes the around the antenna to provide robust protection from the downhole environment. Radial sections of the antenna shield are coupled to one another such that the antenna shield maintains a one piece construction, and the sections may pivot to move the antenna shield between open and closed configurations. Readily opening and closing the antenna shield facilitates maintenance and repair of the antenna and reusability of the antenna shield. Other components of a logging tool system, e.g., stabilizers, may also be provided with a similar latch mechanism for coupling to an outer diameter of the wellbore tubular.

    Adjustable acoustic transducers for a downhole tool

    公开(公告)号:US10443375B2

    公开(公告)日:2019-10-15

    申请号:US15520901

    申请日:2014-12-30

    发明人: Minh Dang Nguyen

    摘要: Movable transducer designs used in downhole environments increase the efficiency of the transmitter and receivers, thereby obtaining improved logging data. In one embodiment, the transmitter/receivers are tilted/rotated to direct the strongest acoustic wave pressure to the critical path for increasing signal strength. In other embodiments, the transmitter/receiver may be extended outwardly toward the formation, or retracted inwardly from the formation. An adaptive algorithm is provided to rotate the transmitter/receiver to match the critical angle when the formation slowness changes. Also, a transmitter/receiver port may be designed to have a cone-shape that matches the impedance of the acoustic wave to the surrounding environment.