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    • 3. 发明申请
    • METHOD AND APPARATUS FOR INTRODUCING OR SINKING CAVITIES IN ROCK
    • 在岩石中引入或起泡的方法和装置
    • US20150042145A1
    • 2015-02-12
    • US14381765
    • 2013-03-15
    • Josef GROTENDORST
    • Josef Grotendorst
    • E21B7/15E21D1/00E21D13/00E21D9/10
    • E21B7/15B23K10/00B23K2103/50E21C37/16E21D1/00E21D9/1073E21D13/00
    • The invention relates to a method for sinking or introducing cavities in rock, wherein the face of the cavity (2) is melted using electrical plasma generators. In order in such a method to produce an energy density at the face of the cavity (2), the energy density being sufficient to completely or partially evaporate the in-situ stone, the invention proposes arranging a heat shield (4) immediately over the face of the cavity (2), the heat shield (4) forming with the face of the cavity (2) a dynamic pressure space (7) in which a temperature of more than 2000° C. is established at a pressure of more than 2 bar by heating with plasma generators (8). This supply of energy is sufficient to melt the stone in-situ at the face of the cavity (2), to completely or partially gasify it and to remove it from the cavity (2).
    • 本发明涉及一种用于在岩石中沉降或引入空腔的方法,其中使用等离子体发生器熔化空腔(2)的表面。 为了在空腔(2)的表面产生能量密度的这种方法中,能量密度足以完全或部分地蒸发原位石,本发明提出将隔热层(4)立即布置在 空腔(2)的表面,与空腔(2)的表面形成的隔热罩(4)具有大于2000℃的温度的压力空间(7),其中压力超过 2巴通过等离子发生器加热(8)。 这种能量供应足以在空腔(2)的表面原地熔化石头,以完全或部分地将其气化并将其从空腔(2)移除。
    • 4. 发明授权
    • Formation fluid sampling and hydraulic testing tool and packer assembly therefor
    • 地层液体取样和液压测试工具及其封隔器组件
    • US07066281B2
    • 2006-06-27
    • US10606051
    • 2003-06-25
    • Josef Grotendorst
    • Josef Grotendorst
    • E21B49/08E21B23/04E21B23/06
    • E21B49/084
    • A drilling apparatus that includes a formation fluid sampling and hydraulic testing tool for a drilling apparatus that includes a drilling string comprised of a drilling pipe and a drilling bit is provided. The tool is mounted on a string that comprises from top to bottom a pressure reduction valve, an expandible and collapsible packer bladder assembly, the sampling tool, and a lower expandible and collapsible packer bladder assembly, disposed between the drilling pipe and the drilling bit. Associated with the packer assemblies are pressure and vacuum storage devices for inflation and deflation respectively of the bladders of the packer assemblies.
    • 提供了一种钻井设备,其包括用于钻井设备的地层流体取样和液压测试工具,该钻井设备包括由钻孔管和钻头组成的钻柱。 该工具安装在由顶部到底部包括减压阀,可膨胀和可折叠的封隔器囊组件,采样工具以及设置在钻孔和钻头之间的下部可膨胀和可折叠封隔器囊组合件的串上。 与封隔器组件相关联的压力和真空存储装置分别用于封隔器组件的气囊的充气和放气。
    • 5. 发明授权
    • Formation fluid sampling and hydraulic testing tool
    • 地层液体取样和液压试验工具
    • US06662644B1
    • 2003-12-16
    • US10187302
    • 2002-06-28
    • Josef GrotendorstGerhard Grotendorst
    • Josef GrotendorstGerhard Grotendorst
    • E21B4700
    • E21B49/084
    • A formation fluid sampling and hydraulic testing tool for a drilling apparatus that includes a drilling string comprised of a drilling pipe and a drilling bit is provided. The tool has an outer tube disposed between the drilling pipe and the drilling bit. The outer tube is provided with a plurality of through holes for receiving formation fluid into the outer tube. An inner tube is disposed within, and spaced from, the outer tube to form an annular space between them. The inner tube is provided with a plurality of through holes that are adapted to communicate with the annular space. One end of the inner tube is connectable to a pumping mechanism for drawing formation fluid through the through holes of the outer tube and of the inner tube for the purpose of collecting a sample of the fluid and imposing a hydraulic stress on the formation. The through holes of the inner tube can be closed off or released. Valves are provided for establishing or closing off communication between the interior of the inner tube and the open ends of the outer tube.
    • 提供了一种用于钻井设备的地层液体取样和液压测试工具,其包括由钻孔管和钻头组成的钻柱。 该工具具有设置在钻管和钻头之间的外管。 外管设置有多个用于将地层流体接收到外管中的通孔。 内管设置在外管内并与外管间隔开,以在它们之间形成环形空间。 内管设置有适于与环形空间连通的多个通孔。 内管的一端可连接到泵送机构,用于通过外管和内管的通孔吸引地层流体,以收集流体样品并在地层上施加液压应力。 内管的通孔可以封闭或释放。 阀被设置用于建立或关闭内管的内部和外管的开口端之间的连通。