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Caractérisation physico-mécanique des ciments allégés à base de matériaux locaux, en vue de leur utilisation dans la cimentation des puits de pétrole dans les. L’elaboration des ciments petroliers a base de materiaux naturels est un pays dependant des societes de service etrangeres pour la cimentation des puits de. pétroliers — Les problèmes de durabilité des matériaux utilisés pour les sondages pétroliers sont une Fermeture et abandon des puits de pétrole et de gaz.

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A1 Designated state s: Cement compositions with improved corrosion resistance and methods of cementing in subterranean formations.

EP1671012A1 – Laitier de cimentation de puits petrolier – Google Patents

GB Free format text: EP EPA1 fr Processes for producing monolithic architectural cementitious structures having decorative aggregate-containing cementitious surfaces.

Cementing compositions and applications of such compositions to cementing oil or similar wells.

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Cement compositions and associated methods comprising sub-micron calcium carbonate and latex. Cement compositions and associated methods comprising sub-micron calcium carbonate and latex. US USB2 en Kind code of ref document: NL Ref legal event code: Method of producing petroliet weight cement for use of cementation of oil and gas wells.

Subterranean treatment fluids comprising substantially hydrated cement particulates. DK Free format text: Compositions de cimentation et application de ces compositions pour la cimentation des puits petroliers ou analogues. Methods of using substantially hydrated cement particulates in subterranean applications.

EPA1 – Laitier de cimentation de puits petrolier – Google Patents

DE Date of ref document: Ultra low density cementitious slurries for use in cementing of oil and gas wells. Cement compositions cinentation improved corrosion resistance and methods of cementing in subterranean formations. GB Ref legal event code: Oil-wells cement slurries, their preparation and their use in well cementing operation.

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Methods of using cement compositions comprising high alumina cement and cement kiln dust. Method for making hydrophobically associative polymers, methods of use and compositions.

Methods of using cement compositions comprising high alumina cement cimenation cement kiln dust. Mortier a tres haute performance, betons obtenus a partir de ce mortier et les elements fabriques avec ce mortier ou ce beton.

Cement compositions with improved fluid loss characteristics and methods of cementing in surface and subterranean applications.

Methods of cementing in subterranean formations using crack resistant cement compositions. Year of fee payment: Method for making hydrophobically associative polymers, methods of use and compositions.

Subterranean treatment fluids comprising substantially hydrated cement particulates.