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US 8,708,047 B2Granted
Method of cooling downhole element using nanoenhanced downhole fluid
AssigneeBaker Hughes Incorporated
InventorsSoma Chakraborty, Michael H. Johnson, Oleg A. Mazyar
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Abstract
A method of transferring heat to or from a downhole element comprising contacting a downhole fluid comprising a fluid medium, and a nanoparticle, the nanoparticle being uniformly dispersed in the downhole fluid, to a downhole element inserted in a downhole environment. A method of cooling a downhole element, and a method of drilling a borehole are also disclosed.
Claims11
A method of drilling a borehole, comprising:
- contacting
- a downhole fluid comprising
- a clay,
- a fluid medium,
- an additive, and
- a nanoparticle, the nanoparticle being uniformly dispersed in the downhole fluid;
- to
- a downhole element in a downhole environment before, during, or after drilling,
- wherein the downhole fluid absorbs heat generated by the downhole element during drilling.
6 more elements
A method of transferring heat to or from a downhole element, the method comprising:
- contacting a downhole fluid comprising:
- a fluid medium which comprises an aqueous fluid;
- a gas;
- an ionic liquid;
- an emulsified mixture of one or more of water, brine, oil, and air;
- or a combination comprising at least one of the foregoing;
- and
- a nanoparticle, the nanoparticle being uniformly dispersed in the downhole fluid,
- to a downhole element inserted in a downhole environment,
- wherein the nanoparticle is derivatized to include a functional group, is underivatized, or includes a combination of derivatized and underivatized nanoparticles, and the functional group comprises carboxy, epoxy, ether, ketone, amine, hydroxy, alkoxy, alkyl, aryl, aralkyl, alkaryl, lactone, functionalized polymeric or oligomeric groups, ionic groups, or a combination comprising at least one of the forgoing functional groups.
7 more elements
Dependencies are inferred from the claim text.