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GB0224649D0
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Signalling method and apparatus
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Surge preventer tool
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Automatic blanking completion tool
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Protective clamp for use with well tubulars
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Downhole control system
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Well logging device
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Hydraulic power source
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Well-logging and control system
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Blanking tools for use in oil well by-pass systems
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Logging plug for use in oil,gas and other wells
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Apparatus for use in the completion of wells
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WO9320330A1
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Apparatus for detonating well perforators
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EP0601046A1
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Apparatus for transmitting instrumentation signals over power conductors
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Hangers for use in wells
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Method and apparatus for transmitting instrumentation signals over power cables
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Improvements to a coiled tubing deployed downhole pump completion
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Producing multi-zone wells
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Plugs for well logging operations
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EP0465543A1
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Method and apparatus for monitoring well fluid parameters
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Monitoring well fluid parameters
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