4. Wells
  5. Submerged well
  6. Means removably connected to permanent well structure

National Oilwell Norway AS

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Arrangement at a piston engine and method of controlling the...

Internal-combustion engines – Multiple cylinder – Having rotary output shaft parallel to cylinders
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Draining of oil leak in a hydraulic cylinder

Expansible chamber devices – With removal conduit for liquid seepage from expansible chamber
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Drill pipe spinner device

Tools – Wrench – screwdriver – or driver therefor – Machine
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Method and a device for protection of personnel

Communications: electrical – Condition responsive indicating system – Specific condition
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Method and device for detecting leaks in reciprocating...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
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Profile ID: LFUS-PAI-P-2419339

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