GB9516317D0
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Reduction of mercaptan odour in hydrocarbon streams
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GB9511997D0
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Method of detecting asphaltene precipitation in hydrocarbon systems
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GB9503026D0
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Method of determining the formation of insoluble materials in liquids under pressure
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GB9502452D0
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Drilling fluid
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GB9501185D0
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Method of inhibiting gas hydrate production
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GB9426425D0
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Method of determining the formation of insoluble materials in liquids
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GB9422517D0
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Suspending fluid for powdered materials
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GB9414596D0
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Drilling fluid
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GB9413679D0
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Method of inhibiting gas hydrate production
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GB9402437D0
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Drilling fluid emulsion composition
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GB9309469D0
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Method of gel production for water shut off in wellbores
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GB9302787D0
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Method of insolubilising glycols for use in drilling fluids
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GB9302706D0
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Drilling fluid
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GB9221226D0
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Drilling fluid emulsion composition
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GB9215228D0
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Drilling fluid loss additive
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