INTEGRATED SUB SYSTEM FOR ENHANCED OILFIELD OPERATIONS

Abstract: an integrated sub system for isolating formations above a targeted reservoir in a well includes a float shoe, a ball seat, a tubular body and a circulation valve. the float shoe includes a first float valve, the first float valve being configured to regulate a flow of a fluid in a single direction. the ball seat is configured to receive a ball. the ball seat includes an aperture configured to permit the fluid through the ball seat prior to the ball seat receiving the ball. the tubular body is configured to house the float shoe and the ball seat. the circulation valve is configured to be actuated hydraulically.

Inventor(s): Bader M. Al-Ahmad

CPC Classification: E21B33/16 (EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS)

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