Maritime Well Service AS

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Patents Grantslast 30 patents

Information Patent Grant
Tubing system for an oil or gas well
- Patent number 6,286,595
- Issue date Sep 11, 2001
- Maritime Well Service AS
- David Gardner Oxnevad
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for use with a retrievable bridge plug
- Patent number 6,234,249
- Issue date May 22, 2001
- Bronnteknologiutvikling AS
- Frode Andersen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable retrievable bridge plug
- Patent number 6,142,227
- Issue date Nov 7, 2000
- Bronnteknologiutvikling AS
- Epen Hiorth
- E21 - EARTH DRILLING MINING