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EP0267096A1
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Tool for the measurement of the pressure in an oil well
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EP0247929A1
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Method and apparatus for chromatographic analysis, in particular of petroleum liquids
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EP0235032A2
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Fluid meter, especially for hydrocarbon wells
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EP0242239A1
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Tool for closing a well's production column
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EP0225815A1
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Tool for closing the production string of a well
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EP0217684A1
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Process for measuring flow and determining the parameters of multilayer hydrocarbon-producing formations
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EP0174890A1
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Method for hydrocarbon well testing
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GB8500971D0
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Method and apparatus for installing packers in a well
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EP0150643A2
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Safety valve, in particular to close an oil-well
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CH657455A5
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Piezoelectric pressure and temperature sensor
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GB8401265D0
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Plug value equipped with pressure equalization means
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GB8328674D0
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Pressure and temperature transducer
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GB8321068D0
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Piezoelectric transducer notably for pressure measurement
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AU1148083A
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Turbine mass flowmeter
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EP0082772A1
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Device for measuring the internal dimensions of a tube, particularly in a well
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AU8837182A
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Borehole recording method and apparatus
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AU8482382A
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Controlling equipment in wells
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GB2089998A
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Pressure measurement sonde
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GB2089399A
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Hydraulic control method and system notably for underwater valves
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GB2047772A
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Apparatus and method for isolating an underground zone containing a fluid notably for the workover of an oil well
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