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1. 发明申请

WO2023048718A1 CALIBRATION METHODS FOR OIL BASED MUD IMAGER TOOLS 审中-公开
公开(公告)号：WO2023048718A1
公开(公告)日：2023-03-30
申请号：PCT/US2021/051795
申请日：2021-09-23
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： GUNER, Baris , FOUDA, Ahmed
IPC分类号： G01V13/00 , G01V3/24 , G01V3/38 , E21B47/12
摘要： A method and assembly for calibrating downhole imaging tools includes a calibrator mechanism with a known electromagnetic response, whereby the calibrator mechanism is simultaneously engaged with a plurality of injector electrodes and the at least one return electrode carried on a pad of the downhole imaging tool. A current is injected into the calibrator mechanism by the injector electrodes and the response of the tool is measured. The calibrator mechanism if formed of a homogenous material or fluid so that the electromagnetic response is uniform throughout. The measured electromagnetic response can be compared to the known electromagnetic response and a calibration adjustment can be determined. The calibration adjustment can then be applied to future downhole measurements obtained during an imaging operation.

2. 发明申请

WO2022216226A1 PROXIMITY DETECTION WITH AUTO CALIBRATION 审中-公开
公开(公告)号：WO2022216226A1
公开(公告)日：2022-10-13
申请号：PCT/SG2022/050130
申请日：2022-03-15
申请人： AMS SENSORS SINGAPORE PTE. LTD.
发明人： YADAGIRI, Vasanth Swaroop , KURUGANTI, Dinesh , ELE VIJAY, Yadgiri , VERNEKAR, Sandeep
IPC分类号： G01D18/00 , G01V13/00 , G01B11/02
摘要： An optical device (1) comprises an emitter (3) for emitting light, a receiver (4) for receiving reflected light and providing a data signal (15), a register (5) for storing processing parameters comprising a baseline reference value (16), and a processing unit (6) for processing the data signal (15) using the processing parameters. The processing unit (6) is configured to compare the data signal (15) to the baseline reference value (16), and determine that a crosstalk calibration of the optical device is required based at least partially on the comparison.

3. 发明申请

WO2020101709A1 AIR-HANG CALIBRATION FOR RESISTIVITY-LOGGING TOOL 审中-公开
公开(公告)号：WO2020101709A1
公开(公告)日：2020-05-22
申请号：PCT/US2018/061624
申请日：2018-11-16
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： PAN, Li , WU, Hsu-Hsiang , FAN, Yijing
IPC分类号： G01V13/00 , G01V3/26 , E21B47/00
摘要： A method for calibrating a resistivity-logging tool using air-hang calibration is provided. The method may include performing an air-hang measurement using the resistivity- logging tool and performing a first measurement decoupling operation on the air-hang measurement. The first measurement decoupling operation may include generating correcting factors based on a physical model and calculating an air-hang calibration matrix based on the correcting factors. Additionally, the method may include performing a formation measurement using the resistivity-logging tool and performing a second measurement decoupling operation on the formation measurement to generate a decoupled formation measurement matrix. Further, the method may include calibrating the resistivity-logging tool to generate a calibrated formation measurement matrix by subtracting the air-hang calibration matrix from the decoupled formation measurement matrix.

4. 发明申请

WO2019190504A1 IN-SITU CALIBRATION OF BOREHOLE GRAVIMETERS 审中-公开
公开(公告)号：WO2019190504A1
公开(公告)日：2019-10-03
申请号：PCT/US2018/024900
申请日：2018-03-28
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： RODNEY, Paul F. , STARK, Daniel Joshua
IPC分类号： G01V13/00 , G01V7/02
摘要： A method and system for in-sit calibration of a gravimeter. A method may comprise disposing a downhole tool in a borehole, wherein the downhole tool comprises the gravimeter attached to a linear actuator, recording a first set of measurements with the gravimeter while the linear actuator is stationary, activating the linear actuator, recording a second set of measurements with the gravimeter, and calibrating the gravimeter based on the first and second set of recorded measurements. A system may comprise a downhole tool, a conveyance, and an information handling system. The downhole tool may further comprise a hanger, a sonde, connected to the hanger, a linear actuator, connected to the hanger, and a shaft, connected to the linear actuator. The downhole tool may further comprise a linkage, connected to the shaft, a package, connected to the linkage, and a gravimeter, disposed in the package.

5. 发明申请

WO2018154037A1 ALTERNATING CURRENT COUPLED ACCELEROMETER CALIBRATION 审中-公开
公开(公告)号：WO2018154037A1
公开(公告)日：2018-08-30
申请号：PCT/EP2018/054472
申请日：2018-02-23
申请人： PGS GEOPHYSICAL AS
发明人： HEGNA, Stian , SÜDOW, Mattias
IPC分类号： G01V13/00 , G01V1/38 , G01V1/16 , G01V1/18
摘要： Alternating current (AC) coupled accelerometer calibration can include acquiring calibrated data from a direct current (DC) coupled accelerometer of a towed object and interpolating the acquired calibrated data to a location of an AC coupled accelerometer of the towed object. AC coupled accelerometer calibration can also include estimating a calibration parameter associated with the AC coupled accelerometer based on the interpolating and correcting for a sensitivity associated with the AC coupled accelerometer using the calibration parameter.

6. 发明申请

WO2017214416A1 METHOD FOR DETERMINING POSITION WITH IMPROVED CALIBRATION BY OPPOSING SENSORS 审中-公开
标题翻译：用反射传感器改进校准确定位置的方法
公开(公告)号：WO2017214416A1
公开(公告)日：2017-12-14
申请号：PCT/US2017/036581
申请日：2017-06-08
申请人： NORALIS LIMITED , CLOSE, David , TROY, George, W.
发明人： CLOSE, David , TROY, George, W.
IPC分类号： E21B47/024 , G01V13/00 , E21B47/26
摘要： The method and system for determining position with improved calibration allows a device to initiate activity at the proper location, such as navigating a drill bit through a rock formation. A pair of position sensors (30, 30') in opposite orientations generates position data signals. A temperature sensor (40) detects temperature and duration of the temperature. An adjusted plastic bias value is determined by a processor module (50) based on the temperature data signal, the duration of the temperature, and the position data signals so as to account for bias and hysteresis errors and error correction based on the opposing orientations of the pair of position sensors. A position value is set according to the adjusted plastic bias value so that the position value is more accurate. The activity of the terminal device (20) is initiated or maintained according to the position value calibrated by the adjusted plastic bias value.
摘要翻译：用于通过改进的校准来确定位置的方法和系统允许装置在适当的位置开始活动，例如在岩层中导航钻头。位置相反的一对位置传感器（30,30'）产生位置数据信号。温度传感器（40）检测温度和温度的持续时间。通过处理器模块（50）基于温度数据信号，温度持续时间和位置数据信号来确定调整的塑料偏置值，以便基于反向偏置和滞后误差以及基于一对位置传感器。位置值根据调整后的塑料偏置值进行设置，以使位置值更准确。终端设备（20）的活动根据由调整的塑料偏差值校准的位置值来启动或维持。

7. 发明申请

WO2017127041A1 SYSTEMS AND METHODS FOR CORRECTING OFF-CENTER ACOUSTIC SONDES 审中-公开
标题翻译：用于校正偏心声音系统和方法
公开(公告)号：WO2017127041A1
公开(公告)日：2017-07-27
申请号：PCT/US2015/060153
申请日：2016-01-20
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： WILLIS, Mark, Elliott
IPC分类号： E21B47/00 , G01V1/40 , G01V13/00
CPC分类号： G01V1/48 , G01V13/00 , G01V2200/14 , G01V2210/54 , G01V2210/6222
摘要： A method of performing acoustic logging comprises generating a first acoustic signal from a first source at a first time, wherein the first source is a first distance away from a wellbore wall, and generating a second acoustic signal from a second source at a second time, wherein the second source is a second distance away from the wellbore wall. The difference between the first time and the second time depends on a calibration value
摘要翻译：执行声记录的方法包括在第一时间从第一源生成第一声信号，其中第一源距离井眼壁第一距离，并且从第一源生成第二声信号第二时间的第二源，其中第二源距离井筒壁第二距离。第一次和第二次之间的差异取决于校准值

8. 发明申请

WO2017105500A1 SYSTEMS AND METHODS TO CALIBRATE INDIVIDUAL COMPONENT MEASUREMENT 审中-公开
标题翻译：用于校准个体成分测量的系统和方法
公开(公告)号：WO2017105500A1
公开(公告)日：2017-06-22
申请号：PCT/US2015/066752
申请日：2015-12-18
申请人： HALLIBURTON ENERGY SERVICES, INC.
发明人： WU, Hsu-Hsiang
IPC分类号： E21B47/00 , G01V13/00 , G01V11/00
CPC分类号： G01V13/00 , E21B47/02216 , G01V3/26
摘要： Apparatus and procedures that provide calibration for measurement tools can be implemented in a number of applications. Tool constant matrices generated in such calibration procedures can be utilized in downhole ranging measurements. Additional apparatus, systems, and methods are can be used in a variety of applications.
摘要翻译：为测量工具提供校准的装置和程序可以在许多应用中实施。在这种校准过程中产生的工具常数矩阵可用于井下测距测量。其他设备，系统和方法可用于各种应用。

9. 发明申请

WO2016122330A1 SYSTEM AND METHOD FOR OPERATING A SUBSEA SENSOR FIELD 审中-公开
标题翻译：用于操作SUBSEA传感器场的系统和方法
公开(公告)号：WO2016122330A1
公开(公告)日：2016-08-04
申请号：PCT/NO2016/050010
申请日：2016-01-26
申请人： OCTIO AS
发明人： LØVHEIM, Leon , FAGERÅS, Bjarte , OLDERVOLL, Magne , BRANDSÆTER, Helge
IPC分类号： G01V1/20 , G01V1/38 , G01V13/00
CPC分类号： G01V1/3852 , B63C11/52 , B63G8/001 , B63G2008/007 , B63G2008/008 , G01V1/202 , G01V1/3843
摘要： A system (1) for operating a subsea sensor field (2), comprises an automated underwater vehicle - AUV (10) and a subsea service station (13). A sensor (11, 12) in the sensor field (2) comprises a permanently installed base unit (11) and a removable control unit (12). The AUV (10) moves control units (12) to the service station (13) for charging and updating, and then back to the base units. The permanent positions of the base units (11) facilitate time-lapse surveys, and saves energy as heavy equipment may remain on the seafloor.
摘要翻译：一种用于操作海底传感器场（2）的系统（1），包括自动水下航行器AUV（10）和海底维修站（13）。传感器领域（2）中的传感器（11,12）包括永久安装的基座单元（11）和可移除控制单元（12）。 AUV（10）将控制单元（12）移动到服务站（13）进行充电和更新，然后返回到基本单元。基地单位（11）的常任职位有助于延时调查，并可以在海底留下重型设备的情况下节约能源。

10. 发明申请

WO2015189690A1 PROTECTIVE COVER AND RELATED METHOD 审中-公开
标题翻译：防护罩及相关方法
公开(公告)号：WO2015189690A1
公开(公告)日：2015-12-17
申请号：PCT/IB2015/001057
申请日：2015-06-02
申请人： CGG SERVICES SA
发明人： MACQUIN, Raphael
IPC分类号： G01V1/20 , G01V1/38 , G01V13/00
CPC分类号： G01V13/00 , G01V1/201 , G01V1/3843
摘要： Covers and methods to protect outer surfaces of marine equipment are provided. The covers are manufactured to extend along at least one dimension. The covers may have antifouling properties due to the thread used to manufacture the covers or due to treatment applied to the covers after manufacturing. The covers are removably mounted on one or more pieces of marine survey equipment, without employing fastening mechanisms.
摘要翻译：提供了保护船舶设备外表面的封面和方法。制造的盖子至少沿一个维度延伸。由于用于制造盖子的线或由于在制造之后施加到盖上的处理，盖可能具有防污性能。盖可拆卸地安装在一个或多个海洋测量设备上，而不使用紧固机构。

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