Acoustic frequency selection in acoustic logging tools
    2.
    发明授权
    Acoustic frequency selection in acoustic logging tools 有权
    声学测井工具中的声频选择

    公开(公告)号:US06510104B1

    公开(公告)日:2003-01-21

    申请号:US09589021

    申请日:2000-06-07

    申请人: Toru Ikegami

    发明人: Toru Ikegami

    IPC分类号: G01V100

    CPC分类号: G01V1/46

    摘要: A logging system has a sonde in a borehole, which transmits sonic waves with one or more dipole sources to optimally excite dipole flexural mode sonic waves in the borehole. The system first determines the Airy frequency of the borehole. Then, the dipole sources are fired at a dipole firing frequency selected based on the Airy frequency.

    摘要翻译: 测井系统在钻孔中具有探头,其用一个或多个偶极源传播声波,以最佳地激发钻孔中的偶极弯曲模式声波。 系统首先确定井眼的艾里频率。 然后,偶极子源以基于艾里(Frey)频率选择的偶极发射频率点火。

    Method for the preparation of N-glycolyl neuraminic acid from Cucumaria
echinata
    3.
    发明授权
    Method for the preparation of N-glycolyl neuraminic acid from Cucumaria echinata 失效
    从黄瓜科制备N-羟乙酰神经氨酸的方法

    公开(公告)号:US6143533A

    公开(公告)日:2000-11-07

    申请号:US525323

    申请日:2000-03-13

    CPC分类号: C12P7/58

    摘要: Disclosed is an efficient and economical method for the preparation of N-glycolyl neuraminic acid in a high purity from an inexpensive abundant source material. The method comprises dispersing body tissues of an echinodermatous marine animal Cucumaria echinata in an aqueous medium, preferably, using a dry powder of the tissues prepared in advance, in which the tissues are proteolytically decomposed to isolate N-glycolyl neuraminic acid in the form of an aqueous solution containing polypeptides as a by-product, followed by separation of N-glycolyl neuraminic acid from the aqueous solution by removing the polypeptides and purification of the compound in a process utilizing an ion-exchange treatments.

    摘要翻译: 公开了一种从廉价丰富的原料制备高纯度的N-羟乙酰神经氨酸的有效和经济的方法。 该方法包括将棘皮动物海洋动物黄瓜(Cucumaria echinata)的身体组织分散在水性介质中,优选使用预先制备的组织的干粉末,其中组织被蛋白水解分解以分离出N-羟乙酰神经氨酸 水溶液,其含有作为副产物的多肽,随后通过在使用离子交换处理的方法中除去多肽和化合物的纯化从水溶液中分离N-羟乙酰神经氨酸。

    Use of an effective tool model in sonic logging data processing
    4.
    发明申请
    Use of an effective tool model in sonic logging data processing 审中-公开
    在声波记录数据处理中使用有效的工具模型

    公开(公告)号:US20090225627A1

    公开(公告)日:2009-09-10

    申请号:US12383363

    申请日:2009-03-23

    IPC分类号: G01V1/00

    CPC分类号: G01V1/50

    摘要: Methods and apparatus facilitating radial profiling of shear slowness are disclosed. According to some aspects of the invention, acoustic tool bias is accounted for in the calculation of radial profiles. According so some aspects, acoustic tool bias is accounted for by replacing acoustic tool structure with a resonance-impedance model. The resonance-impedance modeling according to principles of the present invention is applicable to vertical, deviated, and horizontal boreholes.

    摘要翻译: 公开了促进剪切慢度的径向剖面的方法和装置。 根据本发明的一些方面,在径向轮廓的计算中考虑声学工具偏差。 根据一些方面,通过用谐振阻抗模型代替声学工具结构来解释声学工具的偏差。 根据本发明的原理的谐振阻抗建模可应用于垂直,偏斜和水平钻孔。

    Method for the preparation of chondroitin sulfate compounds
    7.
    发明授权
    Method for the preparation of chondroitin sulfate compounds 失效
    硫酸软骨素化合物的制备方法

    公开(公告)号:US06342367B1

    公开(公告)日:2002-01-29

    申请号:US09513191

    申请日:2000-02-25

    IPC分类号: C12P2106

    CPC分类号: C12P19/26

    摘要: Disclosed is an economical method for the preparation of chondroitin sulfates A and C useful as an effective ingredient of medicaments from fish scales as a waste material discharged from fishery in large quantities. Fish scales are enzymatically decomposed in an aqueous medium in the presence of a protease to isolate the chondroitin sulfate compounds and by-product polypeptides followed by removal of the by-product polypeptides from the aqueous solution by a cation-exchange treatment and then the aqueous solution of the chondroitin sulfate compounds is subjected to fractional precipitation by the addition of ethyl alcohol as the precipitant.

    摘要翻译: 公开了一种用于制备硫酸软骨素A和C的经济方法,其用作作为大量从渔业排放的废物的鱼鳞的药物的有效成分。 鱼鳞在蛋白酶存在下在水性介质中酶促分解,分离出硫酸软骨素化合物和副产物多肽,然后通过阳离子交换处理从水溶液中除去副产物多肽,然后将水溶液 的硫酸软骨素化合物通过加入乙醇作为沉淀剂进行分级沉淀。

    Methods and systems for calibrating acoustic receivers
    8.
    发明授权
    Methods and systems for calibrating acoustic receivers 有权
    用于校准声学接收器的方法和系统

    公开(公告)号:US07554882B2

    公开(公告)日:2009-06-30

    申请号:US11309153

    申请日:2006-06-29

    IPC分类号: G01V1/40 H04B17/00

    CPC分类号: G01V13/00

    摘要: A method for in-situ calibrating acoustic receivers while the tool is in an open or cased borehole or during a logging run in a borehole. The method and system facilitate calibrating the acoustic receivers while they are mounted to a downhole acoustic tool. Calibrating the acoustic receivers in situ provides more accurate results than previously available. The method and system provide separate compensation factors for the acoustic receivers at different frequencies and for different transmission sources. The separate compensation factors facilitate more accurate signal acquisition over a wider range of conditions.

    摘要翻译: 一种在工具处于开放或套管钻孔中或在井眼测井期间原位校准声学接收器的方法。 该方法和系统便于将声学接收器安装到井下声学工具上进行校准。 原位校准声学接收器比以前提供更准确的结果。 该方法和系统为不同频率和不同传输源的声接收机提供单独的补偿因子。 单独的补偿因素有助于在更广泛的条件下更准确地获取信号。

    Methods and systems for calibrating acoustic receivers
    9.
    发明授权
    Methods and systems for calibrating acoustic receivers 有权
    用于校准声学接收器的方法和系统

    公开(公告)号:US07085194B2

    公开(公告)日:2006-08-01

    申请号:US10735373

    申请日:2003-12-12

    IPC分类号: H04B17/00 G01V13/00

    CPC分类号: G01V13/00

    摘要: A method and system for calibrating acoustic receivers (112). The method and system facilitate calibrating the acoustic receivers (112) while they are mounted to a downhole acoustic tool (102). Calibrating the acoustic receivers (112) in situ provides more accurate results than previously available. The method and system provide separate compensation factors for the acoustic receivers (112) at different frequencies and for different transmission sources. The separate compensation factors facilitate more accurate signal acquisition over a wider range of conditions.

    摘要翻译: 一种用于校准声学接收器(112)的方法和系统。 所述方法和系统便于在声学接收器(112)被安装到井下声学工具(102)的同时进行校准。 原位校准声学接收器(112)可提供比以前更可靠的结果。 该方法和系统为不同频率处的声学接收器(112)和不同的传输源提供单独的补偿因子。 单独的补偿因素有助于在更广泛的条件下更准确地获取信号。

    Methods and systems for calibrating acoustic receivers
    10.
    发明申请
    Methods and systems for calibrating acoustic receivers 有权
    用于校准声学接收器的方法和系统

    公开(公告)号:US20050128871A1

    公开(公告)日:2005-06-16

    申请号:US10735373

    申请日:2003-12-12

    IPC分类号: G01V13/00 H04B17/00

    CPC分类号: G01V13/00

    摘要: A method and system for calibrating acoustic receivers (112). The method and system facilitate calibrating the acoustic receivers (112) while they are mounted to a downhole acoustic tool (102). Calibrating the acoustic receivers (112) in situ provides more accurate results than previously available. The method and system provide separate compensation factors for the acoustic receivers (112) at different frequencies and for different transmission sources. The separate compensation factors facilitate more accurate signal acquisition over a wider range of conditions.

    摘要翻译: 一种用于校准声学接收器(112)的方法和系统。 所述方法和系统便于在声学接收器(112)被安装到井下声学工具(102)的同时进行校准。 原位校准声学接收器(112)可提供比以前更可靠的结果。 该方法和系统为不同频率处的声学接收器(112)和不同的传输源提供单独的补偿因子。 单独的补偿因素有助于在更广泛的条件下更准确地获取信号。