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    • 3. 发明授权
    • Methods and devices for real-time formation imaging through measurement
while drilling telemetry
    • 用于通过测量同时进行实时地层成像成像的方法和装置
    • US5519668A
    • 1996-05-21
    • US249412
    • 1994-05-26
    • Bernard Montaron
    • Bernard Montaron
    • G01V3/20G01V3/34G01V1/40
    • G01V3/20G01V3/34
    • Methods for providing an image at the surface of a formation surrounding a borehole in real-time include associating resistivity measurements with a predetermined number of preselected toolface positions. The resistivity measurements are subjected to data compression and transmitted uphole by MWD telemetry. At the surface, the compressed resistivity measurements are associated with the preselected toolface positions and with a calculated translational distance value. The resistivity measurements are decompressed and/or converted to pixel information. The pixel information is arranged according to toolface position and translational distance to create a high resolution of the formation. These processes are repeated over time so that the image created represents the formation over a selected distance. Apparatus of the invention used to perform the methods include an MWD telemetry device, at least one downhole formation resistivity sensor, and downhole device(s) for determining the toolface of the resistivity sensor. Downhole processor(s) are provided for synchronizing, selecting and compressing resistivity measurements. On the surface, a translational distance sensor is provided along with processor(s) for associating, converting, and arranging. At the surface, the associated information is used to form an image of the formation spanning a number of translational distance values.
    • 实时地在围绕钻孔的地层的表面提供图像的方法包括将电阻率测量与预定数量的预选工具面位置相关联。 电阻率测量经受数据压缩,并通过MWD遥测在井上传输。 在表面上,压缩的电阻率测量与预选的工具面位置和计算的平移距离值相关联。 电阻率测量被解压缩和/或转换为像素信息。 像素信息根据工具面位置和平移距离进行布置,以形成高分辨率的形成。 这些过程随时间重复,使得所创建的图像表示在所选距离上的形成。 用于执行方法的本发明的装置包括MWD遥测装置,至少一个井下地层电阻率传感器和用于确定电阻率传感器的工具面的井下装置。 井下处理器被提供用于同步,选择和压缩电阻率测量。 在表面上,提供了一个平移距离传感器以及用于关联,转换和排列的处理器。 在表面上,相关联的信息用于形成横跨多个平移距离值的图像。
    • 4. 发明授权
    • Gas cutting borehole drilling apparatus
    • 气切钻孔钻具
    • US09022139B2
    • 2015-05-05
    • US12742446
    • 2008-11-06
    • Bernard Montaron
    • Bernard Montaron
    • E21B7/14E21B23/00
    • E21B7/14E21B2023/008
    • A drilling apparatus for drilling boreholes in an underground formation includes a tool body that can be positioned in a borehole where drilling is to take place. The apparatus further includes a gas cutting torch having a nozzle, a supply of a cutting gas connected to the gas cutting torch. In some embodiments, the gas cutting torch and supply of cutting gas may be connected by an umbilical link. The tool body may be advanced through the borehole as drilling takes place. In some embodiments, the tool body may be advanced via a tractor device that forms part of the tool body or attached to the tool body.
    • 用于在地下钻孔中钻孔的钻孔设备包括可位于要钻孔的钻孔中的工具主体。 该装置还包括具有喷嘴的气体割炬,连接到气体割炬的切割气体的供应。 在一些实施例中,气体割炬和切割气体的供应可以通过脐带连接连接。 当钻孔发生时,工具主体可以推进穿过钻孔。 在一些实施例中,工具主体可以经由形成工具主体的一部分或附接到工具主体的拖拉机装置前进。