|
GB201216262D0
|
|
Multi-cycle circulating device
|
|
GB201206938D0
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Well control device
|
|
GB201201118D0
|
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Adjustable gauge stabilizer with torque and drag reduction
|
|
GB0400641D0
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|
Tool string member with bearings
|
|
GB0213482D0
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|
Hydro-static pressure control system
|
|
GB0203956D0
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Drill string member
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|
GB0109586D0
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Apparatus for running tubulars into a borehole
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GB0109587D0
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Downhole tools
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|
EP1226329A2
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|
Drill string member with bearings
|
|
GB9906902D0
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Pressure balanced fluid control system
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GB9815809D0
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Casing running tool
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GB9815131D0
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Pump-out tool
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GB9814230D0
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Torque reducing substitute
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CA2300945A1
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Traction device
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|
GB9606604D0
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Expendable casing scraper
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GB9606606D0
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Hydraulic actuating ball
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|
GB9606118D0
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Hydraulic sliding side-door sleeve
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|
GB9603273D0
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Traction device
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|
GB9602219D0
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Inflatable packer
|
|
GB9521207D0
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Ball releasing substitute
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