Method and composition for improving NMR analysis of formation fluids
    1.
    发明申请
    Method and composition for improving NMR analysis of formation fluids 审中-公开
    改善地层流体NMR分析的方法和组成

    公开(公告)号:US20050221495A1

    公开(公告)日:2005-10-06

    申请号:US10813719

    申请日:2004-03-31

    摘要: A method and composition for distinguishing native hydrocarbons in a formation from oil-based drilling fluid with nuclear magnetic resonance (NMR) is provided so that NMR may be used in analyzing formation fluids from boreholes drilled with oil-based drilling fluids. In the method, the drilling fluid is doped with oil solubilized paramagnetic species before or during drilling of the borehole. The paramagnetic species cause a shift in the T1 and T2 NMR response of the drilling fluid.

    摘要翻译: 提供了用核磁共振(NMR)将地层中的天然烃与基于油的钻井液进行区分的方法和组合物,使得可以使用NMR来分析钻探油基钻井液的钻孔中的地层流体。 在该方法中,钻井液在钻孔之前或期间,在钻井液中掺杂油溶的顺磁性物质。 顺磁性物质导致钻井液的T 1和T 2 NMR响应发生变化。

    Apparatus for agitated fluid discharge
    2.
    发明授权
    Apparatus for agitated fluid discharge 有权
    用于搅拌流体排放的装置

    公开(公告)号:US07063141B2

    公开(公告)日:2006-06-20

    申请号:US10755930

    申请日:2004-01-13

    申请人: Peter Masak

    发明人: Peter Masak

    IPC分类号: E21B37/00

    CPC分类号: E21B37/00 E21B28/00 E21B47/06

    摘要: The pressure reading tool includes a housing with an interior chamber and an orifice extending from the chamber to the exterior of the housing. A pulse member with a magnetostrictive ring and an excitation source are disposed within the chamber to produce a highly agitated fluid discharge through the orifice. The magnetostrictive ring, chamber volume, and orifice cooperate to induce Helmholtz resonance frequencies in the fluid in the chamber to thereby enhance the agitation of the fluid discharge. A sheathing encapsulates the pulse member to protect it from contact with the fluid. A dampening element is also interposed between the pulse member and housing to isolate vibration.

    摘要翻译: 压力读取工具包括具有内部腔室的壳体和从腔室延伸到壳体外部的孔口。 具有磁致伸缩环和激发源的脉冲构件设置在腔室内,以通过孔产生高度搅动的流体排放。 磁致伸缩环,室体积和孔口协作以在室中的流体中引发亥姆霍兹共振频率,从而增强流体排放的搅动。 护套封装脉冲构件以防止其与流体接触。 阻尼元件也插入在脉冲构件和壳体之间以隔离振动。

    Mud pump noise cancellation system and method
    3.
    发明授权
    Mud pump noise cancellation system and method 失效
    泥浆泵噪声消除系统及方法

    公开(公告)号:US5146433A

    公开(公告)日:1992-09-08

    申请号:US770198

    申请日:1991-10-02

    IPC分类号: E21B47/18

    CPC分类号: E21B47/18 E21B47/182

    摘要: Methods for recovering a LWD or MWD data signal in the presence of mud pump noise are provided and generally comprise calibrating the drilling mud pressure as a function of the mud pump piston position, and then tracking the piston position during transmission of the LWD or MWD data signal and using the calibration information to subtract out the mud pump noise. Calibration is accomplished in the absence of the LWD or MWD data signal to provide a correlation between mud pump piston position and the drilling mud pressure. Then, when the LWD or MWD data signal is being generated, the mud pump piston position is tracked such that the pressure due to the pump can be subtracted and the LWD or MWD signal recovered. Where a plurality of mud pumps are being utilized, calibration is accomplished by running the mud pumps together in the absence of the LWD or MWD data signal, and processing the received mud pressure signals in the Fourier domain to allocate respective portions of the mud pressure signals to respective mud pumps such that each mud pump is provided with a signature as a function of its own piston position. With the piston position of each mud pump being tracked, the sum of the mud pressure signals generated by the mud pumps based on their piston positions is subtracted from the total received signal to recover the LWD or MWD signal.

    Temperature compensated magnetic circuit
    4.
    发明授权
    Temperature compensated magnetic circuit 有权
    温度补偿磁路

    公开(公告)号:US06803761B2

    公开(公告)日:2004-10-12

    申请号:US10459693

    申请日:2003-06-10

    IPC分类号: G01V300

    CPC分类号: G01V3/32

    摘要: An apparatus is disclosed for generating a magnetic field of high field strength, spatial uniformity and minimal drift of magnetic field intensity over a temperature range of about 0° C. to 175° C. This apparatus may be used in a standard modular logging tool for direct downhole NMR measurements of various parameters of fluid samples of geologic formations near the walls of a borehole. In one embodiment, the apparatus is composed of two tubular permanent magnets made of different magnetic materials with different magnetic temperature coefficients to provide temperature compensation. The apparatus preferably also utilizes a pressure barrel that surrounds the magnets and provides a return path for magnetic flux lines, thereby increasing flux density within the measurement volume.

    摘要翻译: 公开了一种用于在约0℃至175℃的温度范围内产生高场强,空间均匀性和最小的磁场强度偏移的磁场的装置。该装置可用于标准模块测井工具 对钻孔壁附近地质构造的流体样品的各种参数的直接井下NMR测量。 在一个实施例中,该装置由具有不同磁性温度系数的不同磁性材料制成的两个管状永磁体组成,以提供温度补偿。 该设备还优选地使用围绕磁体的压力桶,并提供用于磁通线的返回路径,从而增加测量体积内的通量密度。

    Temperature compensated magnetic field apparatus for NMR measurements
    5.
    发明授权
    Temperature compensated magnetic field apparatus for NMR measurements 有权
    用于NMR测量的温度补偿磁场设备

    公开(公告)号:US06577125B2

    公开(公告)日:2003-06-10

    申请号:US09739468

    申请日:2000-12-18

    IPC分类号: G01V300

    CPC分类号: G01V3/32

    摘要: An apparatus is disclosed for generating a magnetic field of high field strength, spatial uniformity and minimal drift of magnetic field intensity over a temperature range of about 0° C. to 175° C. This apparatus may be used in a standard modular logging tool for direct downhole NMR measurements of various parameters of fluid samples of geologic formations near the walls of a borehole. In one embodiment, the apparatus is composed of two tubular permanent magnets made of different magnetic materials with different magnetic temperature coefficients to provide temperature compensation. The apparatus preferably also utilizes a pressure barrel that surrounds the magnets and provides a return path for magnetic flux lines, thereby increasing flux density within the measurement volume.

    摘要翻译: 公开了一种用于在约0℃至175℃的温度范围内产生高场强,空间均匀性和最小的磁场强度偏移的磁场的装置。该装置可用于标准模块测井工具 对钻孔壁附近地质构造的流体样品的各种参数的直接井下NMR测量。 在一个实施例中,该装置由具有不同磁性温度系数的不同磁性材料制成的两个管状永磁体组成,以提供温度补偿。 该设备还优选地使用围绕磁体的压力桶,并提供用于磁通线的返回路径,从而增加测量体积内的通量密度。

    Magnetic resonance fluid analysis apparatus and method
    7.
    发明授权
    Magnetic resonance fluid analysis apparatus and method 有权
    磁共振流体分析装置及方法

    公开(公告)号:US07164267B2

    公开(公告)日:2007-01-16

    申请号:US10831567

    申请日:2004-04-23

    IPC分类号: G01V3/00

    CPC分类号: G01R33/307 G01V3/32

    摘要: Apparatus and method for providing in-situ data of formation fluids at true reservoir conditions. The apparatus has NMR chamber of the flow-through type, so it is no longer necessary to divert a sample for the basic NMR analysis or transfer it uphole for laboratory analysis. The apparatus is preferably modular and is compatible with wireline tools configurable for a variety of sampling, testing and monitoring purposes. Fluid properties such as viscosity can be derived from diffusivities and relaxation times, as measured by NMR. Additional accuracy is provided in the downhole sampling process, and in the interpretation of NMR logs in real time at true reservoir conditions.

    摘要翻译: 在真实储层条件下提供地层流体原位数据的装置和方法。 该装置具有流通型的NMR室,因此不再需要将样品转移用于基本NMR分析或将其转移到实验室分析中。 该装置优选地是模块化的,并且与可配置用于各种采样,测试和监视目的的有线工具兼容。 诸如粘度的流体性质可以由通过NMR测量的扩散和松弛时间得到。 在井下采样过程中提供额外的精度,在真实储层条件下实时地解释NMR测井。

    Method for removing a deposit using pulsed fluid flow
    8.
    发明授权
    Method for removing a deposit using pulsed fluid flow 有权
    使用脉冲流体流除去沉积物的方法

    公开(公告)号:US07025143B2

    公开(公告)日:2006-04-11

    申请号:US10954759

    申请日:2004-09-30

    申请人: Peter Masak

    发明人: Peter Masak

    IPC分类号: E21B37/00

    CPC分类号: E21B37/00 E21B28/00 E21B47/06

    摘要: The pressure reading tool includes a housing with an interior chamber and an orifice extending from the chamber to the exterior of the housing. A pulse member with a magnetostrictive ring and an excitation source are disposed within the chamber to produce a highly agitated fluid discharge through the orifice. The magnetostrictive ring, chamber volume, and orifice cooperate to induce Helmholtz resonance frequencies in the fluid in the chamber to thereby enhance the agitation of the fluid discharge. A sheathing encapsulates the pulse member to protect it from contact with the fluid. A dampening element is also interposed between the pulse member and housing to isolate vibration.

    摘要翻译: 压力读取工具包括具有内部腔室的壳体和从腔室延伸到壳体外部的孔口。 具有磁致伸缩环和激发源的脉冲构件设置在腔室内,以通过孔产生高度搅动的流体排放。 磁致伸缩环,室体积和孔口协作以在室中的流体中引发亥姆霍兹共振频率,从而增强流体排放的搅动。 护套封装脉冲构件以防止其与流体接触。 阻尼元件也插入在脉冲构件和壳体之间以隔离振动。

    System and method for NMR logging with helical polarization
    9.
    发明授权
    System and method for NMR logging with helical polarization 失效
    核磁共振测井与螺旋极化的系统和方法

    公开(公告)号:US06956372B2

    公开(公告)日:2005-10-18

    申请号:US10660193

    申请日:2003-09-11

    IPC分类号: G01R33/44 G01V3/32 G01V3/00

    CPC分类号: G01N24/081 G01V3/32

    摘要: Nuclear magnetic resonance well logging apparatus and method of use for geophysical examination of a borehole as the borehole is drilled. The apparatus is connected to the drill bit to follow it through the borehole as the borehole is formed. The apparatus comprises a non-magnetic protective collar with lateral protrusions or wings, which provide enhanced abrasion resistance, strength, and rigidity to the probe section. This collar is twisted about its longitudinal axis. The apparatus also comprises one or more permanent magnets within the metal collar and an antenna mounted outside of the collar. Both the magnet and the antenna are twisted about the longitudinal axis of the probe section to produce a generally helical static magnetic field and a radio frequency magnetic field that is substantially orthogonal to the static magnetic field.

    摘要翻译: 核磁共振测井仪器和钻孔钻探时钻孔地球物理检查的使用方法。 当钻孔形成时,该装置连接到钻头以跟随其穿过钻孔。 该装置包括具有侧向突起或翼的非磁性保护套圈,其提供对探针部分的增强的耐磨性,强度和刚性。 该套环围绕其纵向轴线扭转。 该设备还包括金属环内的一个或多个永磁体和安装在套环外部的天线。 磁体和天线都围绕探头部分的纵向轴线扭转,以产生基本上垂直于静磁场的大致螺旋状的静磁场和射频磁场。

    Measurement while drilling bi-directional pulser operating in a near laminar annular flow channel
    10.
    发明申请
    Measurement while drilling bi-directional pulser operating in a near laminar annular flow channel 审中-公开
    在接近层状环形流动通道中操作双向脉冲发生器时进行测量

    公开(公告)号:US20070104030A1

    公开(公告)日:2007-05-10

    申请号:US11607788

    申请日:2006-11-30

    IPC分类号: H04H9/00 G01V3/00

    CPC分类号: E21B47/187

    摘要: A device, method, and system for creating a pressure pulse from drilling fluid within a drill string in a down hole drill collar for enabling measurement-while drilling. The device and system are designed such that primarily laminar flow exists in the area surrounding the pulser apparatus. The method associated with the reproducible and essentially noise-free pulses occurs when a pulser bell is manipulated in an upward and downward direction by a combination of the solenoid activation of a bi-directional poppet to redirect the fluid flow from the pressure reservoir to and from a sliding pressure chamber and associated upper and lower flow connecting channels. The pulse or non-pulse is converted into a digital signal uphole by a pressure transducer in conjunction with a decoding algorithm. It is then displayed to the driller and oilfield operators as useful directional and formation information that help the oilfield operator for uphole decision making regarding directional drilling. Additional pulsers can be added to the tool so that higher data bit rates can be accomplished. These higher data bit rates will provide for more comprehensive data collection thereby reducing drilling costs and optimizing oil field yields. The higher bit rate allows for more sensors that can send additional and improved information uphole without the use of open hole wire line logging which is impossible to accommodate while drilling horizontally. Disclosed is a concentric, stream-line centralizer device, secured inside a drill collar and fastened to a measurement while drilling device, wherein a drilling fluid moves with a laminar flow within the drilling collar.

    摘要翻译: 一种用于在井下钻铤中的钻柱内的钻井液中产生压力脉冲的装置,方法和系统,用于在钻孔时进行测量。 设备和系统被设计成使得主要层流存在于脉冲发生器装置周围的区域中。 当可再生的和基本无噪声的脉冲相关联的方法发生在当通过双向提升阀的螺线管激活的组合在向上和向下的方向上操纵脉冲发生器钟时,将来自压力储存器的流体流重新定向到 滑动压力室和相关联的上下流动连接通道。 结合解码算法,压力传感器将脉冲或非脉冲转换成数字信号。 然后向司钻和油田作业员显示有用的定向和形成信息,帮助油田操作人员进行有关定向钻井的井下决策。 可以向工具添加额外的脉冲发生器,从而可以实现更高的数据比特率。 这些更高的数据比特率将提供更全面的数据收集,从而降低钻井成本并优化油田产量。 较高的比特率允许更多的传感器可以在井下发送附加和改进的信息,而不使用在水平钻孔时不可能适应的开孔线路测井。 公开了一种同心的流线式扶正器装置,其固定在钻铤内并在钻井装置处固定到测量件上,其中钻井液体在钻铤内以层流的方式移动。