MULTI-STAGE WELL ISOLATION AND FRACTURING
First Claim
1. A frac valve tool, said tool comprising:
- a. one or more ports;
b. a sleeve movable between a closed position in which the sleeve prevents fluid flow through said one or more ports and an open position in which the sleeve allows fluid flow through said one or more ports; and
c. a ball receiving seat removably connected to the sleeve;
wherein receipt of a ball on the ball receiving seat moves said seat and said sleeve from closed to open positions.
4 Assignments
0 Petitions
Accused Products
Abstract
In a first aspect, a frac valve tool is taught, said tool comprising one or more ports a sleeve movable between a closed position in which the sleeve prevents fluid flow through said one or more ports and an open position in which the sleeve allows fluid flow through said one or more ports and a ball receiving seat removably connected to the sleeve wherein receipt of a ball on the ball receiving seat moves said seat and said sleeve from closed to open positions. In a second aspect, a frac valve tool is taught, said tool comprising a ball receiving seat removably received within said tool, said seat comprising a seating profile for receiving a ball; wherein said seating profile matches a radius of said ball to nondeformably grip said ball.
12 Citations
22 Claims
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1. A frac valve tool, said tool comprising:
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a. one or more ports; b. a sleeve movable between a closed position in which the sleeve prevents fluid flow through said one or more ports and an open position in which the sleeve allows fluid flow through said one or more ports; and c. a ball receiving seat removably connected to the sleeve; wherein receipt of a ball on the ball receiving seat moves said seat and said sleeve from closed to open positions. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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2. A frac valve tool, said tool comprising a ball receiving seat removably received within said tool, said seat comprising a seating profile for receiving a ball;
- wherein said seating profile matches a radius of said ball to nondeformably grip said ball.
Specification