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Composition for borehole treatment
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Patent number 9,303,474
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Issue date Apr 5, 2016
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Schlumberger Technology Corporation
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Nikhil Shindgikar
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Visco-elastic surfactant spacers
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Patent number 8,689,874
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Issue date Apr 8, 2014
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Schlumberger Technology Corporation
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Yiyan Chen
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Methods for servicing subterranean wells
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Patent number 8,381,813
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Issue date Feb 26, 2013
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Schlumberger Technology Corporation
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Nelson Diaz
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Engineered fibers for well treatments
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Patent number 8,371,381
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Issue date Feb 12, 2013
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Schlumberger Technology Corporation
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Nikhil Shindgikar
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Cement retarder
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Patent number 7,896,964
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Issue date Mar 1, 2011
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Schlumberger Technology Corporation
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Stephane Boulard
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Internal breaker for oilfield treatments
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Patent number 7,857,051
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Issue date Dec 28, 2010
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Schlumberger Technology Corporation
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Carlos Abad
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Internal breaker for oilfield treatments
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Patent number 7,677,311
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Issue date Mar 16, 2010
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Schlumberger Technology Corporation
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Carlos Abad
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Well treatment with dissolvable polymer
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Patent number 7,398,826
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Issue date Jul 15, 2008
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Schlumberger Technology Corporation
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Ann M. W. Hoefer
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Rheology modifiers
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Patent number 7,387,987
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Issue date Jun 17, 2008
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Schlumberger Technology Corporation
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Yiyan Chen
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Rheology enhancers
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Patent number 7,378,378
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Issue date May 27, 2008
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Schlumberger Technology Corporation
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Yiyan Chen
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Foamed viscoelastic surfactants
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Patent number 7,345,012
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Issue date Mar 18, 2008
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Schlumberger Technology Corporation
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Yiyan Chen
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...