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    • 83. 发明申请
    • PREDICTION OF FORMATION AND STRATIGRAPHIC LAYERS WHILE DRILLING
    • 钻井时形成和分层的预测
    • WO2016187279A1
    • 2016-11-24
    • PCT/US2016/033042
    • 2016-05-18
    • BAKER HUGHES INCORPORATED
    • BARTETZKO, AnneWESSLING, Stefan
    • E21B47/00G01V1/40G01V1/46G01V1/50
    • G01V1/50
    • An embodiment of a method of predicting a location of one or more features of an earth formation during a downhole operation includes acquiring reference data and identifying one or more reference data sections, each reference data section corresponding to a feature of interest and having an associated depth or depth interval, deploying a drilling assembly and drilling a target borehole in the earth formation, and performing measurements during the operation by a downhole measurement device to generate measurement data. The method also includes performing one or more correlations of the one or more measurement data sections with one or more reference data sections; and predicting at least one of a depth of a subsequent feature of interest located beyond a current carrier depth and a point in time of a future event associated with the subsequent feature of interest based on the correlation.
    • 在井下操作期间预测地球地层的一个或多个特征的位置的方法的实施例包括获取参考数据并识别一个或多个参考数据段,每个参考数据段对应于感兴趣的特征并且具有相关联的深度 或深度间隔,部署钻井组件并在地层中钻目标钻孔,以及在井下测量装置的操作期间进行测量以产生测量数据。 该方法还包括执行一个或多个测量数据部分与一个或多个参考数据部分的一个或多个相关性; 以及基于所述相关性,预测感兴趣的后续特征的深度中的至少一个位于超出当前载波深度和与所述后续特征相关联的未来事件的时间点。
    • 84. 发明申请
    • SYNCHRONIC DUAL PACKER WITH ENERGIZED SLIP JOINT
    • 具有能量滑动接头的SYNCHRONIC双包装机
    • WO2016186842A1
    • 2016-11-24
    • PCT/US2016/030728
    • 2016-05-04
    • BAKER HUGHES INCORPORATED
    • FLORES, Juan, CarlosMCKITRICK, Robert
    • E21B33/12E21B33/124E21B33/127E21B23/06
    • E21B33/124E21B17/07E21B23/006
    • A downhole tool having a first packing element and a second packing element configured to synchronically set to selectively hydraulically isolate a portion of the wellbore. The lower packing element may be first set against the well with the upper packing element next being set against the well. A slip joint permits a change in distance between the packing elements during the setting of the packing elements. The slip joint may be energized to apply a force to the lower packing element to prevent the unsetting of the lower packing element during the setting of the upper packing element. A resilient member may be used to energize the slip joint or the slip joint could be hydraulically or pneumatically energized. Once both packing elements are set, the wellbore may then be treated by flowing fluid out of a ported sub positioned between the packing elements.
    • 一种具有第一填料元件和第二填料元件的井下工具,所述第二填料元件构造成同步设置以选择性地液压地隔离所述井眼的一部分。 下部包装元件可以首先设置在井上,同时将上部填料元件设置在井上。 滑动接头允许在包装元件的设置期间包装元件之间的距离变化。 滑动接头可以通电以向下部包装元件施加力,以防止在上部包装元件的设置期间下部包装元件的松开。 可以使用弹性构件来使滑动接头通电,或者滑动接头可以被液压或气动地通电。 一旦两个填充元件都被固定,则井眼可以通过将流体流出定位在填料元件之间的移动子件来处理。
    • 85. 发明申请
    • MAGNETIC RESONANCE PULSE SEQUENCES AND PROCESSING
    • 磁共振脉冲序列和处理
    • WO2016183175A1
    • 2016-11-17
    • PCT/US2016/031819
    • 2016-05-11
    • BAKER HUGHES INCORPORATED
    • COMAN, RaduBLANZ, MartinTIETJEN, Holger
    • G01N24/08G01V3/32
    • G01V3/32G01N24/081G01R33/448G01R33/5615G01R33/5617G01R33/56554
    • A nuclear magnetic resonance (NMR) apparatus includes a carrier configured to be deployed in a borehole, a magnet assembly configured to generate a static magnetic field in an earth formation, and at least one transmitting assembly configured to generate an oscillating magnetic field in a volume of interest within the formation. The apparatus also includes a pulse generator configured to apply a direct-echo pulse sequence to the at least one transmitting assembly, the direct-echo pulse sequence having a plurality of successive pulses including a first pulse and a second pulse configured to generate a first direct NMR echo, and a third pulse, the third pulse selected to at least partially separate a stimulated NMR echo from a second direct NMR echo occurring after the third pulse. The apparatus further includes at least one receiving assembly configured to detect the first and second direct echoes of an NMR echo train.
    • 核磁共振(NMR)装置包括构造成部署在钻孔中的载体,构造成在地层中产生静磁场的磁体组件,以及至少一个传输组件,其被配置成在体积中产生振荡磁场 在地层内感兴趣。 该装置还包括脉冲发生器,该脉冲发生器被配置为向至少一个发射组件施加直接回波脉冲序列,所述直接回波脉冲序列具有包括第一脉冲和第二脉冲的多个连续脉冲,所述第一脉冲和第二脉冲被配置为产生第一直接 NMR回波和第三脉冲,所述第三脉冲被选择为至少部分地将受激核磁共振回波与在第三脉冲之后出现的第二直接NMR回波分离。 该装置还包括被配置为检测NMR回波串的第一和第二直接回波的至少一个接收组件。
    • 86. 发明申请
    • A METHOD OF ESTIMATING MULTI-PHASE FLUID PROPERTIES IN A WELLBORE
    • 估计井筒中多相流体特性的方法
    • WO2016179183A1
    • 2016-11-10
    • PCT/US2016/030586
    • 2016-05-03
    • BAKER HUGHES INCORPORATED
    • SWETT, Dwight W.
    • E21B49/08E21B47/00
    • E21B47/101E21B49/08
    • A system and method of estimating properties of a wellbore fluid that directs the fluid through a cavity, and generates acoustic waves in the fluid while in the cavity. The acoustic waves are generated by oscillating an electroactive material over a range of frequencies. An electrical admittance spectra of the electroactive material is measured over the range of frequencies; where the electrical admittance spectra includes the magnitude, real, and imaginary components. Differences between the maximum values for each component and a vacuum electrical spectra are calculated, the differences are substituted into estimator equations to estimate the fluid properties. Electrical admittance spectra of the electroactive material was simulated for a series of known fluids flowing through the cavity, and a multi-regression statistical analysis was then used to derive the estimator equations.
    • 一种估计井筒流体的特性的系统和方法,其将流体引导通过空腔,并且在空腔中在流体中产生声波。 通过在一定频率范围内振荡电活性材料来产生声波。 在频率范围内测量电活性材料的电导纳谱; 其中电导纳谱包括幅度,实部和虚部。 计算每个组分的最大值和真空电子光谱之间的差异,将差值代入估计器方程来估计流体性质。 模拟电活性材料的电导纳光谱,了解流过腔体的一系列已知流体,然后使用多元回归统计分析来推导估计方程。
    • 88. 发明申请
    • ONE TRIP WELLBORE CLEANUP AND SETTING A SUBTERRANEAN TOOL METHOD
    • 一次性井筒清洗和设置一个下层工具方法
    • WO2016168643A1
    • 2016-10-20
    • PCT/US2016/027818
    • 2016-04-15
    • BAKER HUGHES INCORPORATED
    • HOLLOWAY, James, L.KRUGER, Samuel, K.MATTHEWS-EWALD, Christopher, R.
    • E21B37/00E21B33/12E21B23/06
    • E21B37/00E21B23/06E21B33/12E21B37/02
    • A one trip method of cleaning a portion of the borehole and then setting a tool such as a packer or a bridge plug locates the cleanup tools above the plug with a ported sub to allow circulation of loosened debris. The debris is directed uphole from above the plug and does not have to pass around the sealing element of the plug or through bypass ports in the plug body. The plug is then positioned in the cleaned portion and set. The cleaning tools are released from the set plug and brought to the surface. These tools could be used to clean the portion of the borehole where the tool is set or clean the entire section above the tool on the trip out of the borehole. Cleaning tools can be filter, scrapers both fixed and movable, magnets, brushes and associated tools that centralize the assembly for more effective operation.
    • 清洁钻孔的一部分然后设置诸如封隔器或桥塞的工具的一次方法将清洁工具定位在塞子上方,其具有移动的子部分,以允许松动的碎屑循环。 碎屑从插头上方向上引导孔,并且不必通过插塞的密封元件或通过插塞体中的旁路端口。 然后将塞子定位在清洁部分中并设置。 清洁工具从设置的塞子中释放并带到表面。 这些工具可用于清洁工具所在井眼的部分,或者清除工具上方的工具上方的整个部分,使其脱离钻孔。 清洁工具可以是过滤器,固定和可移动的刮刀,磁体,电刷和相关联的工具,可集中组件以实现更有效的操作。