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1. 发明授权

US3939323A Shielding gas for laser welding 失效
标题翻译：屏蔽气体用于激光焊接
公开(公告)号：US3939323A
公开(公告)日：1976-02-17
申请号：US497124
申请日：1974-08-13
申请人： Richard J. Meehan, deceased , Richard H. Rein , Ralph H. Willgohs
发明人： Richard J. Meehan, deceased , Richard H. Rein , Ralph H. Willgohs
IPC分类号： B23K26/12 , B23K35/38 , B23K26/00
CPC分类号： B23K26/125 , B23K26/12 , B23K26/142 , B23K35/383
摘要： Helium and helium base gas mixtures such as helium-hydrogen; helium-oxygen and helium-carbon dioxide have been found to improve weld penetration when used with presently available lasers to weld most steels.
摘要翻译：氦气和氦气气体混合物如氦氢; 已经发现氦氧和氦 - 二氧化碳在与目前可用的激光器一起使用以焊接大多数钢时可以改善焊接渗透性。

2. 发明授权

US5555530A Method for improving signal to noise ratio 失效
标题翻译：提高信噪比的方法
公开(公告)号：US5555530A
公开(公告)日：1996-09-10
申请号：US163444
申请日：1993-12-06
申请人： Richard J. Meehan
发明人： Richard J. Meehan
IPC分类号： G01V1/36 , G10K11/178 , G01J1/00 , G01V1/40
CPC分类号： G01V1/364 , G01V1/36 , G01V2210/30 , G01V2210/32 , G01V2210/34
摘要： A method for improving the signal to noise ratio from a pair of detectors such as geophones which each detect a noisy signal comprising a signal of interest (S) and a noise signal (N), wherein the signal of interest (S) has a different moveout across the pair of detectors from that of the noise signal (N), and the noise signal (N) from a given source is detected at the first detector at a time .DELTA.t before the corresponding noise signal is detected at the second detector, the method comprising delaying the noisy signal (S+N) detected at the first detector by an amount .tau. being greater than the moveout of the signal of interest but not more than .DELTA.t and subtracting the delayed signal from that detected at the second detector by means of an adaptive filter so as to minimize the power in the resultant signal. The signal detected at the first detection and optionally the resultant signal can also be delayed by an amount .tau..sub.2 and the signal detected at the second detector is subtracted from the delayed first detector (and resultant signals) by means of an adaptive filter so as to minimize the power in the final signal, the delay .tau..sub.2 being greater than the moveout of the signal of interest plus the length of the filter but not more than .DELTA.t plus the length of the filter.
摘要翻译：一种用于从诸如地震检波器的一对检测器改善信噪比的方法，每个检测器检测包括感兴趣的信号（S）和噪声信号（N）的噪声信号，其中感兴趣的信号（S）具有不同的信号在第二检测器检测到相应的噪声信号之前的时间DELTA t，在第一检测器处检测到来自噪声信号（N）的检测器对，并且从给定源检测噪声信号（N）所述方法包括将在第一检测器处检测到的噪声信号（S + N）延迟大于感兴趣信号的移动但不大于DELTA的量T，并且从第二检测器检测到的延迟信号减去第二检测器检测到的延迟信号自适应滤波器的装置，以便最小化所得信号中的功率。在第一检测时检测到的信号和可选的结果信号也可以被延迟量τ2，并且通过自适应滤波器从延迟的第一检测器（和结果信号）中减去从第二检测器检测到的信号，最小化最终信号中的功率，延迟τ2大于感兴趣的信号的移出加上滤波器的长度，但不大于DELTA t加上滤波器的长度。

3. 发明申请

US20120068712A1 SYSTEM AND METHOD FOR USING A RESISTIVITY TOOL WITH WIRED DRILL PIPE AND ONE OR MORE WELLS 审中-公开
标题翻译：使用有线钻孔管和一个或多个孔的电阻工具的系统和方法
公开(公告)号：US20120068712A1
公开(公告)日：2012-03-22
申请号：US13002753
申请日：2009-07-10
申请人： Reza Taherian , Jacques R. Tabanou , Emmanuel Legendre , Richard J. Meehan , Anthony N. Krepp , Michael A. Montgomery , Jean Seydoux , Eric Tabanou
发明人： Reza Taherian , Jacques R. Tabanou , Emmanuel Legendre , Richard J. Meehan , Anthony N. Krepp , Michael A. Montgomery , Jean Seydoux , Eric Tabanou
IPC分类号： G01V3/00
CPC分类号： G01V1/282 , G01V1/48 , G01V2210/614
摘要： A resistivity tool is used with wired drill pipe and one or more wells. The resistivity tool has a transmitter, receiver modules located adjacent to the drill bit, and high sensitivity receiver modules located at greater distances from the drill bit relative to the receiver modules. The receiver modules and/or the high sensitivity receiver modules may also perform repeater functions for the wired drill pipe. The resistivity tool may provide information regarding a subsurface region of interest. The resistivity tool may be used in a system with sensors, and a distance between the sensors may be based on the type of measurement obtained by the sensors.
摘要翻译：电缆工具与有线钻杆和一个或多个井一起使用。电阻率工具具有位于钻头附近的发射器，接收器模块和位于与钻头相对于接收器模块更远距离的高灵敏度接收器模块。接收器模块和/或高灵敏度接收器模块还可以执行有线钻杆的中继器功能。电阻率工具可以提供关于感兴趣的地下区域的信息。电阻率工具可以用于具有传感器的系统中，并且传感器之间的距离可以基于由传感器获得的测量类型。

4. 发明授权

US5377161A Method of determining travel time in drill string 失效
标题翻译：确定钻柱行程时间的方法
公开(公告)号：US5377161A
公开(公告)日：1994-12-27
申请号：US113533
申请日：1993-08-27
申请人： Richard J. Meehan
发明人： Richard J. Meehan
IPC分类号： E21B47/16 , G01H5/00 , G01V1/40
CPC分类号： E21B47/16 , G01H5/00 , G01V1/40
摘要： During a drilling operation, the vibrational energy produced by a drill bit cutting through the earth excites a drill string and the energy near the top of the drill string is mounted by a transducer. A reflection coefficient series is derived from the transducer output such that each reflection coefficient corresponds to a drill string impedance discontinuity. One of the reflection coefficients is identified with a predetermined point of the drill string and energy travel time in the drill string is determined from the position of the one reflection coefficient in the series to the position in the series of a further coefficient.
摘要翻译：在钻孔操作期间，钻头通过地面切割产生的振动能量激发钻柱，钻柱顶部附近的能量由换能器安装。从换能器输出导出反射系数系列，使得每个反射系数对应于钻柱阻抗不连续性。用钻柱的预定点识别反射系数中的一个，并且从串联中的一个反射系数的位置到系列中的另一个系数的位置确定钻柱中的能量行进时间。

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