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    • 81. 发明授权
    • System for logging a well during the drilling thereof
    • 在钻井期间记录井的系统
    • US5280243A
    • 1994-01-18
    • US48551
    • 1993-04-16
    • Melvin Miller
    • Melvin Miller
    • G01R33/387G01N24/00G01N24/08G01R33/20G01R33/32G01R33/38G01R33/44G01V20060101G01V3/32
    • G01V3/32G01N24/081
    • Nuclear magnetic resonance well logging apparatus and a method of use for geophysical examination of a bore hole as the bore hole is drilled. The apparatus is connected to the drill bit to follow it through the bore hole as the bore hole is formed. The apparatus comprises a resilient, tubular, permanent magnet for generating a static magnetic field in the region of a portion of the bore hole adjacent the apparatus, which region includes materials sought to be analyzed, an antenna mounted on the magnet and connected to associated circuitry for exciting nuclei of the materials sought to be analyzed in the region, and a receiver connected to the antenna for receiving nuclear magnetic resonance signals from the excited nuclei and for providing an output signal indicative of properties of the materials sought to be analyzed.
    • 核磁共振测井装置和钻孔钻孔时的钻孔地球物理检查方法。 当钻孔形成时,该装置连接到钻头以跟随其穿过钻孔。 该装置包括弹性管状永久磁铁,用于在邻近该装置的钻孔的一部分区域中产生静磁场,该区域包括寻求分析的材料,安装在磁体上并连接到相关电路的天线 用于在该区域中寻求分析的材料的激发核,以及连接到天线的接收器,用于从被激发的核接收核磁共振信号,并提供指示寻求分析的材料的特性的输出信号。
    • 82. 发明授权
    • Seismic cable
    • 地震电缆
    • US5265066A
    • 1993-11-23
    • US849061
    • 1992-04-27
    • Bjornar SvenningEivind Berg
    • Bjornar SvenningEivind Berg
    • G01V1/16G01V20060101G01V1/20G01V1/38
    • G01V1/3808G01V1/201
    • A marine seismic seabed cable for use on or near the seabed includes at least one pulling cable, a data cable, and a sleeve which surrounds the data cable and the pulling cable. Groups of geophones and position metering instruments are placed along the cable with the position metering instruments and geophones being disposed in a geophone sphere. The geophone sphere and the pulling cables are to a substantial degree mechanically isolated from each other so that, for example, shocks and signals against the seabed cable will only be transferred to a minor extent to the geophone sphere.
    • PCT No.PCT / NO90 / 00157 Sec。 371日期:1992年4月27日 102(e)日期1992年4月27日PCT提交1990年10月22日PCT公布。 出版物WO91 / 06877 日期:1991年5月16日。用于海底或其附近的海底地震海底电缆包括至少一根牵引电缆,数据电缆和围绕数据电缆和拉电缆的套管。 一组地震检波器和位置计量仪器沿着电缆放置,位置计量仪器和地震检波器设置在地震检波器球体中。 地震检波器球体和牵引电缆在相当程度上彼此机械隔离,使得例如,对海底电缆的冲击和信号将仅在少量的范围内转移到地震检波器球体。
    • 83. 发明申请
    • [METHOD OF CORRECTING TRIAXIAL INDUCTION ARRAYS FOR BOREHOLE EFFECT]
    • [用于修正井眼效应的三次感应阵列的方法]
    • US20050256642A1
    • 2005-11-17
    • US10708719
    • 2004-03-19
    • Thomas BarberTracy BroussardGerald MinerboHanming WangSofia Davydycheva
    • Thomas BarberTracy BroussardGerald MinerboHanming WangSofia Davydycheva
    • E21B49/00G01V20060101G01V3/26G01V3/38G06F19/00
    • G01V3/38
    • A method for modeling borehole effects of a transverse array induction tool includes selecting a formation-borehole model having a set of parameters, wherein the set of parameters comprises a direction of tool eccentering; determining initial values for the set of parameters; computing expected responses for a selected set of arrays from the plurality of arrays of the induction tool, wherein the computing is based on the formation-borehole model; comparing the expected responses with actual responses for the selected set of arrays; adjusting values of the set of parameters, if a difference between the expected responses and the actual responses is no less than a predetermined criterion; repeating the computing, the comparing, and the adjusting, until the difference between the expected responses and the actual responses is less than the predetermined criterion; determining the borehole effects from final values of the set of parameters.
    • 一种用于建模横向阵列感应工具的钻孔效应的方法包括选择具有一组参数的地层井眼模型,其中该组参数包括工具偏心的方向; 确定该组参数的初始值; 计算来自所述感应工具的所述多个阵列的所选阵列的预期响应,其中所述计算基于所述地层钻孔模型; 将预期响应与所选阵列的实际响应进行比较; 如果预期响应和实际响应之间的差异不小于预定标准,则调整参数集合的值; 重复计算,比较和调整,直到预期响应和实际响应之间的差小于预定标准; 从参数集合的最终值确定钻孔效应。
    • 85. 发明授权
    • Apparatus and methods for measuring mud slowness in a borehole
    • 用于测量井眼泥浆慢度的装置和方法
    • US06957572B1
    • 2005-10-25
    • US10710128
    • 2004-06-21
    • Peter T. Wu
    • Peter T. Wu
    • E21B47/18E21B49/00G01V20060101G01V1/36G01V1/40G01V1/48G01V1/50
    • G01V1/50
    • A method for determining mud slowness of a mud in a borehole includes determining slowness as a function of frequency for at least one fluid mode from a set of measurements acquired with a sonic tool in the borehole; and determining the mud slowness from the slowness as a function of frequency for the at least one fluid mode. A downhole sonic tool includes a transmitter capable of generating signals covering a frequency range, a high end of which is more than 30 KHz; and a receiver array comprising a plurality of receivers, which are responsive to the frequency range of the transmitter, wherein the transmitter and the receiver array are spaced apart on a tool body at a selected TR spacing.
    • 用于确定钻孔中泥浆的泥浆慢度的方法包括:从用钻孔中的声波工具获取的一组测量来确定作为至少一种流体模式的频率的函数的慢度; 以及根据所述至少一种流体模式的频率的函数从所述慢度确定泥浆缓慢。 井下声波工具包括能够产生覆盖频率范围的信号的发射机,其高端大于30KHz; 以及接收器阵列,其包括响应于所述发射器的频率范围的多个接收器,其中所述发射器和接收器阵列在所选择的TR间隔处在工具主体上间隔开。
    • 89. 发明申请
    • Method of logging a borehole
    • 井眼测井方法
    • US20050056774A1
    • 2005-03-17
    • US10661851
    • 2003-09-12
    • James Samworth
    • James Samworth
    • E21B47/12G01V20060101G01V5/10H01J5/10
    • G01V5/107G01V5/104
    • In the field of wellbore data logging it is known to use isotopic neutron sources in a neutron capture logging technique. However, continuous isotopic sources are unpopular for regulatory and safety reasons. Attempts to employ neutron generator tubes to generate neutron bursts for use in the neutron capture technique have encountered various difficulties in areas connected with signal identification and processing. The disclosure relates to a method of data logging in which a low burst rate neutron generator tube is pulsed at comparatively low rates to generate neutron bursts that are captured in atomic nuclei in a proximal formation. The gamma radiation arising from the neutron capture is detected over a gating intervals defined by temporally distinct points. The gamma detector output is integrated over the gating interval to provide a measure of the decay rate that is independent of the pulse rate. Consequently the signal processing problems do not arise.
    • 在井眼数据记录领域,已知在中子捕获测井技术中使用同位素中子源。 然而,由于监管和安全原因,连续同位素来源不受欢迎。 使用中子发生器管产生用于中子捕获技术的中子爆发的尝试在与信号识别和处理相关的领域遇到了各种困难。 本公开涉及一种数据记录方法,其中低脉冲率中子发生器管以相对较低的速率脉冲以产生在近端地层中的原子核中捕获的中子脉冲。 在由时间上不同的点定义的选通间隔上检测由中子捕获产生的伽马辐射。 伽马检测器输出在门控间隔上积分,以提供与脉率无关的衰减速率的量度。 因此,不会出现信号处理问题。
    • 90. 发明授权
    • Method and apparatus for installing electronic equipment below soft
earth surface layer
    • 在软土地表层下方安装电子设备的方法和装置
    • US5979588A
    • 1999-11-09
    • US889391
    • 1997-07-08
    • Sven O. Havig
    • Sven O. Havig
    • E21B47/00E21B47/01E21B47/10G01V20060101G01V1/16G01V1/18G01V1/20G01V1/52G01V11/00G01V1/40
    • E21B47/00E21B47/011E21B47/101G01V1/16G01V1/184G01V1/52G01V11/005G01V2210/612
    • A method for monitoring production mineral reservoirs, the method comprising: permanently installing a geophone in a borehole; generating a first set of seismic waves; receiving a first set of seismic data with the geophone; recording the first set of data of said receiving a first set of seismic data; generating a second set of seismic waves after sufficient time has passed for conditions in the reservoir to have changed from the generating a first set of seismic waves; receiving a second set of seismic data with the geophone; and recording the second set of seismic data of said receiving a second set of seismic data. A method for installing instruments below the surface of the earth, the method comprising: drilling a borehole with a drill apparatus; inserting an instrument in the borehole; and permanently fixing the instrument in the borehole. An instrument for receiving seismic data, the instrument comprising: a geophone component which operates in an X-direction; a geophone component which operates in an Y-direction; a geophone component which operates in an Z-direction; and a housing for the geophone components which is permanently fixed in a borehole.
    • 一种用于监测生产矿物储层的方法,所述方法包括:将地震检波器永久地安装在钻孔中; 产生第一组地震波; 用地音检波器接收第一组地震数据; 记录所述接收第一组地震数据的第一组数据; 在已经过了足够的时间之后,在存储器中的条件已经从产生第一组地震波变化之后产生第二组地震波; 用地音检波器接收第二组地震数据; 以及记录所述接收第二组地震数据的第二组地震数据。 一种用于在地表的下方安装仪器的方法,所述方法包括:用钻机钻孔; 将仪器插入井眼; 并将仪器永久固定在钻孔中。 一种用于接收地震数据的仪器,所述仪器包括:在X方向上操作的地震检波器部件; 在Y方向上操作的地震检波器部件; 在Z方向上操作的地震检波器部件; 以及永久固定在钻孔中的地震检波器部件的壳体。