Alasdair MacDonald

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St Katherines, GB

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Patents Grantslast 30 patents

Information Patent Grant
Spoolable coiled tubing spear for use in wellbores and methods of u...
- Patent number 8,122,960
- Issue date Feb 28, 2012
- Baker Hughes Incorporated
- Alasdair MacDonald
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Spoolable coiled tubing spear for use in wellbores
- Publication number 20110036574
- Publication date Feb 17, 2011
- Alasdair MacDonald
- E21 - EARTH DRILLING MINING