Downhole servicing compositions having high thermal...

Details Downhole servicing compositions having high thermal... Downhole servicing compositions having high thermal...

C - Chemistry, Metallurgy

09

K

C09K 8/42 (2006.01) C09K 8/16 (2006.01) E21B 33/13 (2006.01)

Patent

CA 2653093

A downhole servicing composition comprising from about 15 percent to about 80 percent by weight of a clay, and from about 10 percent to about 75 percent by weight of a carbon source is disclosed. The invention includes a downhole servicing composition comprising from about 15 percent to about 45 percent by weight of a first clay, from about 15 percent to about 45 percent by weight of a second clay, from about 10 percent to about 35 percent by weight of a filler, and from about 10 percent to about 75 percent by weight of a carbon source. The invention also includes a downhole servicing composition comprising an aqueous base and from about 10 percent to about 75 percent by weight of flaked graphite, wherein the downhole servicing composition has a thermal conductivity not less than about 0.8 BTU/hr-ft-°F.

L'invention concerne une composition d'entretien de fonds de puits comprenant d'environ 15 pour cent à environ 80 pour cent en poids d'une argile et d'environ 10 pour cent à environ 75 pour cent en poids d'une source de carbone. L'invention comprend une composition d'entretien de fonds de puits comprenant d'environ 15 pour cent à environ 45 pour cent en poids d'une première argile, d'environ 15 pour cent à environ 45 pour cent en poids d'une seconde argile, d'environ 10 pour cent à environ 35 pour cent en poids d'une matière de remplissage et d'environ 10 pour cent à environ 75 pour cent en poids d'une source de carbone. L'invention concerne également une composition d'entretien de fonds de puits comprenant une base aqueuse et d'environ 10 pour cent à environ 75 pour cent en poids de graphite en paillettes, la composition d'entretien de fonds de puits ayant une conductivité thermique supérieure ou égale à environ 0,8 BTU/h-pieds-°F.

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