Method of Designing Compressible Particles Having Buoyancy in a Confined Volume

A method of designing compressible particles for a fluid mixture. The compressible particles are intended to be used for attenuating pressure within a confined volume such as a trapped annulus. Preferably, the compressible particles reside buoyantly within an aqueous fluid, forming a fluid mixture....

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Bibliographische Detailangaben
Hauptverfasser:	Awe, Michael R, Stiles, David A, Narhi, Ward E, Kibey, Sandeep A, Aylor, Adam W
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES
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Beschreibung
Zusammenfassung:	A method of designing compressible particles for a fluid mixture. The compressible particles are intended to be used for attenuating pressure within a confined volume such as a trapped annulus. Preferably, the compressible particles reside buoyantly within an aqueous fluid, forming a fluid mixture. Each of the compressible particles is fabricated to collapse in response to fluid pressure within the confined volume, and comprises carbon. The particles may each have a porosity of between 5% and 40%, and a compressibility of between 10% and 30%, at 10,000 psi. The particles are tuned to have a buoyancy that is lower than the carrier fluid while still having resiliency.