Ewout Biezen

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Leiderdorp, NL

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Patents Grantslast 30 patents

Information Patent Grant
Methods and compositions for reducing subterranean formation permea...
- Patent number 7,091,160
- Issue date Aug 15, 2006
- Halliburton Energy Services, Inc.
- Bach Dao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for controlling gas migration during well cementing
- Patent number 7,060,129
- Issue date Jun 13, 2006
- Halliburton Energy Services, Inc.
- Bach Dao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for controlling gas migration during well cementing
- Patent number 6,936,574
- Issue date Aug 30, 2005
- Halliburton Energy Services, Inc.
- Bach Dao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Methods and compositions for reducing subterranean formation permea...
- Publication number 20050288190
- Publication date Dec 29, 2005
- Bach Dao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for controlling gas migration during well cementing
- Publication number 20050160947
- Publication date Jul 28, 2005
- Halliburton Energy Services, Inc.
- Bach Dao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Process for controlling gas migration during well cementing
- Publication number 20040048751
- Publication date Mar 11, 2004
- Bach Dao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES