公开(公告)号：US20160201455A1

公开(公告)日：2016-07-14

申请号：US14914050

申请日：2014-08-28

申请人： EVOLUTION ENGINEERING INC.

发明人： Jili LIU ,  Mingdong XU ,  Aaron W. LOGAN ,  David A. SWITZER ,  Monica E. VARGA ,  Mojtaba KAZEMI MIRAKI

IPC分类号： E21B47/12

CPC分类号： E21B47/122 ,  E21B47/121 ,  H04B17/318 ,  H04B17/336 ,  H04Q9/00 ,  H04W52/0245 ,  H04W52/028 ,  H04W52/241 ,  H04W52/245 ,  Y02D70/00

摘要： An electromagnetic telemetry system adjusts telemetry parameters which may include carrier frequency, signal amplitude and/or data encoding protocol to achieve reliable data transmission and to conserve power. In some embodiments, sweep signals transmit a range of carrier frequencies and the parameters are determined in part by analyzing the received sweep signals. In some embodiments, different parameters are selected automatically based on a mode of drilling.

摘要翻译： 电磁遥测系统调整遥测参数，其可以包括载波频率，信号幅度和/或数据编码协议，以实现可靠的数据传输并节省功率。 在一些实施例中，扫描信号传送载波频率的范围，并且部分地通过分析所接收的扫描信号来确定参数。 在一些实施例中，基于钻孔的模式自动选择不同的参数。

公开(公告)号：US09371727B2

公开(公告)日：2016-06-21

申请号：US13994295

申请日：2011-12-08

申请人： Steven Martin Hudson ,  Robert Charles Bromwich ,  Alexandra Vasil'evna Rogacheva ,  Bridget Mary Weston

发明人： Steven Martin Hudson ,  Robert Charles Bromwich ,  Alexandra Vasil'evna Rogacheva ,  Bridget Mary Weston

IPC分类号： E21B47/04 ,  E21B47/12

CPC分类号： E21B47/042 ,  E21B47/121 ,  E21B47/122

摘要： Downhole water level detecting apparatus for detecting the level of water in a formation in the region of a well installation. The detecting apparatus includes a transmitter for applying electrical signals to a signaling loop at a first location. The signaling loop includes a downhole metallic structure of the well installation and an earth return. The detecting apparatus also includes a detector for monitoring electrical signals in the signaling loop, and an evaluation unit arranged for determining a level of water in the formation relative to the downhole metallic structure in dependence on the monitored signals.

摘要翻译： 井下水位检测装置，用于检测钻井设备区域中地层中的水位。 检测装置包括用于在第一位置向信令环路施加电信号的发射机。 信号环路包括井下安装的井下金属结构和地回路。 检测装置还包括用于监测信号回路中的电信号的检测器，以及评估单元，其被配置为根据所监视的信号来确定地层中相对于井下金属结构的水位。

公开(公告)号：US20160061027A1

公开(公告)日：2016-03-03

申请号：US14470227

申请日：2014-08-27

申请人： Schlumberger Technology Corporation

发明人： Guozhong Gao ,  Luis E. Depavia

IPC分类号： E21B47/12 ,  G01V3/08 ,  G01V3/02

CPC分类号： E21B47/121 ,  G01V3/28 ,  Y02A90/344

摘要： A method for signal communication between a well drilling instrument and the Earth's surface includes generating an electromagnetic field in an instrument disposed in drill string used to drill a wellbore. The electromagnetic field includes encoded measurements from at least one sensor associated with the instrument. A signal corresponding to an amplitude of the electromagnetic field is measured and the measurements from the measured signal are decoded. The signal comprises a voltage measured across electrodes or a voltage induced in an electromagnetic receiver disposed at a selected depth below the Earth's surface. The selected depth is at least the depth of a formation below the water table having a highest resistivity within 500 meters of the surface.

摘要翻译： 用于钻井仪器与地球表面之间的信号通信的方法包括在设置在用于钻井筒的钻柱中的仪器中产生电磁场。 电磁场包括与仪器相关联的至少一个传感器的编码测量。 测量对应于电磁场幅度的信号，并对来自被测信号的测量进行解码。 该信号包括跨电极测量的电压或者设置在地球表面以下选定深度处的电磁接收器中感应的电压。 所选择的深度至少是表面500米内具有最高电阻率的水位下方的地层深度。

公开(公告)号：US20140352952A1

公开(公告)日：2014-12-04

申请号：US14462466

申请日：2014-08-18

申请人： Schlumberger Technology Corporation

发明人： Joseph Varkey ,  Byong Jun Kim ,  Garud Sridhar ,  Wayne Fulin ,  Noor F. Sait ,  Matthew Billingham ,  Andrea Sbordone

IPC分类号： E21B47/12 ,  E21B19/22

CPC分类号： E21B47/121 ,  D07B1/147 ,  E21B17/206 ,  E21B19/22 ,  E21B43/26 ,  E21B47/00 ,  E21B47/0001 ,  H01B7/046 ,  H02G1/10

摘要： A method of deploying a cable into a wellbore penetrating a subterranean formation that includes providing a cable. The cable includes an insulated conductor; an armor wire layer surrounding the insulated conductor; and a polymeric material disposed in interstitial spaces formed between armor wires forming the armor wire layer, and in interstitial spaces formed between the at least one armor wire layer and the at least one insulated conductor. The method also includes introducing the cable into a wellbore and performing at least one operation in the wellbore utilizing the cable.

摘要翻译： 将电缆部署到穿透包括提供电缆的地下地层的井眼中的方法。 电缆包括绝缘导体; 围绕绝缘导体的铠装线层; 以及聚合材料，其设置在形成在所述铠装线层的铠装线之间的间隙空间中，以及形成在所述至少一个铠装线层和所述至少一个绝缘导体之间的间隙空间中。 该方法还包括将电缆引入井筒中，并利用电缆在井筒中进行至少一个操作。

公开(公告)号：US08773278B2

公开(公告)日：2014-07-08

申请号：US12809622

申请日：2008-12-18

申请人： Matthe Contant ,  Yves G. Mathieu ,  Erwann Lemenager ,  Juergen Zach

发明人： Matthe Contant ,  Yves G. Mathieu ,  Erwann Lemenager ,  Juergen Zach

IPC分类号： G01V3/00

CPC分类号： E21B47/122 ,  E21B17/003 ,  E21B47/121

摘要： A downhole electromagnetic telemetry unit for use with a tubing string (5) includes an insulated electrically conductive member (31) and a processing unit (15). The insulated electrically conductive member (31) is electrically coupled to the tubing string (5) at an upper measuring point (23) and a lower measuring point (25). The processing unit (15) is configured to process a voltage difference measured between the upper measuring point (23) and the lower measuring point (25) across the insulated electrically conductive member (31) and to derive therefrom a signal transmitted from a surface location (13).

摘要翻译： 用于油管柱（5）的井下电磁遥测单元包括绝缘导电构件（31）和处理单元（15）。 绝缘导电构件（31）在上测量点（23）和下测量点（25）处电耦合到油管柱（​​5）。 处理单元（15）被配置为跨过绝缘导电构件（31）处理在上测量点（23）和下测量点（25）之间测量的电压差，并且从其导出从表面位置发送的信号 （13）。

公开(公告)号：US08757278B2

公开(公告)日：2014-06-24

申请号：US12792298

申请日：2010-06-02

申请人： Mitchell C. Smithson

发明人： Mitchell C. Smithson

IPC分类号： E21B23/00

CPC分类号： E21B23/00 ,  E21B34/06 ,  E21B34/066 ,  E21B34/10 ,  E21B41/00 ,  E21B47/12 ,  E21B47/121 ,  Y10T307/461

摘要： Sneak path elimination in diode multiplexed control of downhole well tools. A system for selectively actuating multiple well tools includes a control device for each tool, a well tool being operable by selecting a respective control device; conductors connected to the control devices, which are selectable by applying a predetermined voltage across a respective predetermined pair of the conductors; and at least one lockout device for each control device, the lockout devices preventing current from flowing through the respective control devices when voltage across the respective predetermined pair of the conductors is less than a predetermined minimum. A method includes selecting a well tools for actuation by applying a predetermined minimum voltage to a set of conductors; and preventing actuation of another well tool when the predetermined minimum voltage is not applied across another set of conductors, at least one conductor being common to the two sets of conductors.

摘要翻译： 井下井工具二极管多路复用控制中的潜行路径消除。 用于选择性地致动多个井工具的系统包括用于每个工具的控制装置，井工具可通过选择相应的控制装置来操作; 连接到控制装置的导体，其可以通过在相应的预定对导体上施加预定电压来选择; 以及用于每个控制装置的至少一个锁定装置，所述锁定装置在相应的预定导体对上的电压小于预定的最小值时，防止电流流过各个控制装置。 一种方法包括通过对一组导体施加预定的最小电压来选择用于致动的井具; 并且当所述预定的最小电压不被施加在另一组导体上时，防止另一个井具的致动，至少一个导体是两组导体共同的。

公开(公告)号：US20140002088A1

公开(公告)日：2014-01-02

申请号：US13994295

申请日：2011-12-08

申请人： Steven Martin Hudson ,  Robert Charles Bromwich ,  Alexandra Vasil'evna Rogacheva ,  Bridget Mary Weston

发明人： Steven Martin Hudson ,  Robert Charles Bromwich ,  Alexandra Vasil'evna Rogacheva ,  Bridget Mary Weston

IPC分类号： E21B47/04

CPC分类号： E21B47/042 ,  E21B47/121 ,  E21B47/122

摘要： Downhole water level detecting apparatus for detecting the level of water in a formation in the region of a well installation. The detecting apparatus includes a transmitter for applying electrical signals to a signaling loop at a first location. The signaling loop includes a downhole metallic structure of the well installation and an earth return. The detecting apparatus also includes a detector for monitoring electrical signals in the signaling loop, and an evaluation unit arranged for determining a level of water in the formation relative to the downhole metallic structure in dependence on the monitored signals.

摘要翻译： 井下水位检测装置，用于检测钻井设备区域中地层中的水位。 检测装置包括用于在第一位置向信令环路施加电信号的发射机。 信号环路包括井下安装的井下金属结构和地回路。 检测装置还包括用于监测信号回路中的电信号的检测器，以及评估单元，其被配置为根据所监视的信号来确定地层中相对于井下金属结构的水位。

公开(公告)号：US08590609B2

公开(公告)日：2013-11-26

申请号：US13040180

申请日：2011-03-03

申请人： Mitchell C. Smithson ,  Joel D. Shaw

发明人： Mitchell C. Smithson ,  Joel D. Shaw

IPC分类号： E21B23/00

CPC分类号： E21B23/00 ,  E21B34/06 ,  E21B34/066 ,  E21B34/10 ,  E21B41/00 ,  E21B47/12 ,  E21B47/121 ,  Y10T307/461

摘要： A system for selectively actuating multiple load devices, such as well tools, which are selectively actuated by applying a predetermined voltage across a predetermined pair of conductors. At least one lockout device is associated with each load device. The lockout device prevents current from flowing through the respective load device until voltage across the pair of the conductors exceeds a predetermined minimum. A method is provided for selecting well tools for actuation by applying a minimum voltage across a set of conductors and a lockout device. Leak paths are prevented from draining off current by the lockout devices. A system is provided for applying current to bidirectional load devices such as downhole pumps and motors.

摘要翻译： 用于选择性地致动多个负载装置（例如井具）的系统，其通过在预定导体对上施加预定电压来选择性地致动。 至少一个锁定装置与每个装载装置相关联。 锁定装置防止电流流过相应的负载装置，直到一对导体上的电压超过预定的最小值。 提供了一种用于通过在一组导体和锁定装置上施加最小电压来选择用于致动的井具的方法。 防止泄漏路径被锁定装置排出电流。 提供一种用于将电流施加到诸如井下泵和电动机的双向负载装置的系统。

公开(公告)号：US20130292126A1

公开(公告)日：2013-11-07

申请号：US13857561

申请日：2013-04-05

申请人： Schlumberger Technology Corporation

发明人： Joseph Varkey ,  Byong Jun Kim ,  Garud Sridhar ,  Wayne Fulin ,  Noor F. Sait ,  Matthew Billingham ,  Andrea Sbordone

IPC分类号： E21B19/22 ,  E21B43/26 ,  E21B47/00

CPC分类号： E21B47/121 ,  D07B1/147 ,  E21B17/206 ,  E21B19/22 ,  E21B43/26 ,  E21B47/00 ,  E21B47/0001 ,  H01B7/046 ,  H02G1/10

摘要： An embodiment of a method of deploying a cable into a wellbore penetrating a subterranean formation comprises providing a cable, wherein the cable comprises at least one insulated conductor, at least one armor wire layer surrounding the insulated conductor, a polymeric material disposed in interstitial spaces formed between armor wires forming the at least one armor wire layer, and interstitial spaces formed between the at least one armor wire layer and insulated conductor, the polymeric material forming a continuously bonded layer which separates and encapsulates the armor wires forming the at least one armor wire layer, and whereby the polymeric material is extended to form a smooth polymeric jacket around the at least one armor wire layer, introducing the cable into a wellbore and performing at least one operation in the wellbore utilizing the cable.

摘要翻译： 将电缆部署到穿透地下地层的井孔中的方法的实施例包括提供电缆，其中电缆包括至少一个绝缘导体，围绕绝缘导体的至少一个护甲线层，形成在间隙空间中的聚合材料 形成所述至少一个铠装线层的铠装线之间以及形成在所述至少一个铠装线层和绝缘导体之间的间隙空间，所述聚合物材料形成连续接合层，所述连续接合层分离并封装形成所述至少一个铠装线的铠装线 层，并且由此聚合物​​材料被延伸以在所述至少一个铠装线层周围形成平滑的聚合物护套，将电缆引入井孔中，并利用电缆在井眼中进行至少一个操作。

公开(公告)号：US08269648B2

公开(公告)日：2012-09-18

申请号：US12604310

申请日：2009-10-22

申请人： Vincent Benischek ,  Michael Currie

发明人： Vincent Benischek ,  Michael Currie

IPC分类号： G01V3/00

CPC分类号： E21B47/121 ,  E21B47/122

摘要： The invention provides for electromagnetic transmission and reception used in detecting relative changes associated with nano devices existing within an oil reservoir. The system enables monitoring of the relative movement of the nano devices in the oil and/or water over a given area based on the incremental or relative changes of the intensity of the reflections over time. In one embodiment, a source of electromagnetic energy from an array of antennae transmitting immediately in the far field recharges a power source embedded in the nano devices. In another embodiment, the return signals from the nano devices maps the morphology of ensembles of nano devices. In yet another embodiment the transmission controls the movement of the nano devices and controls the function preformed by the nano devices relative to effecting changes in the well to improve production of oil.

摘要翻译： 本发明提供用于检测与储油器内存在的纳米装置相关的相对变化的电磁传输和接收。 该系统能够基于随时间推移的反射强度的增量或相对变化来监测纳米器件在给定区域内的油和/或水中的相对运动。 在一个实施例中，来自远场中立即发射的天线阵列的电磁能来源对嵌入在纳米器件中的电源再充电。 在另一个实施例中，来自纳米器件的返回信号映射纳米器件集合的形态。 在另一个实施例中，变速器控制纳米装置的移动并且控制由纳米装置执行的功能，以相对于影响井的变化来改善油的产量。