Downhole ram pump
First Claim
1. A downhole pump system, comprising:
- a primary fluid flow;
a flow restricting device, exposed to a secondary fluid flow branched from the primary fluid flow, which variably restricts the secondary fluid flow through an opening, the opening returning the secondary fluid flow to the primary fluid flow, the restricting device vibrating in response to the secondary fluid flow, and the restricting device thereby alternately increasing and decreasing the secondary fluid flow through the opening; and
a pump device which operates in response to vibration of the restricting device.
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Accused Products
Abstract
A downhole ram pump. A downhole pump system includes a flow restricting device which variably restricts fluid flow through an opening, the restricting device vibrating in response to the fluid flow, thereby alternately increasing and decreasing the fluid flow through the opening; and a pump device which generates a pressure differential in response to vibration of the restricting device. Another downhole pump system includes a flow restricting device which vibrates in response to fluid flow through an opening, thereby alternately increasing and decreasing the fluid flow through the opening, a pressure differential across the restricting device variably biasing the restricting device to increasingly restrict the fluid flow through the opening, and the pressure differential alternately increasing and decreasing in response to respective alternate increasing and decreasing flow through the opening; and a pump device which generates differential pressure in response to vibration of the restricting device.
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Citations
20 Claims
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1. A downhole pump system, comprising:
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a primary fluid flow; a flow restricting device, exposed to a secondary fluid flow branched from the primary fluid flow, which variably restricts the secondary fluid flow through an opening, the opening returning the secondary fluid flow to the primary fluid flow, the restricting device vibrating in response to the secondary fluid flow, and the restricting device thereby alternately increasing and decreasing the secondary fluid flow through the opening; and a pump device which operates in response to vibration of the restricting device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A downhole pump system, comprising:
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a primary fluid flow; a flow restricting device exposed to a secondary fluid flow branched from the primary fluid flow, the flow restricting device vibrating in response to the secondary fluid flow through an opening, the opening returning the secondary fluid flow to the primary fluid flow, the restricting device thereby alternately increasing and decreasing the secondary fluid flow through the opening, a pressure differential across the restricting device variably biasing the restricting device to increasingly restrict the secondary fluid flow through the opening, and the pressure differential alternately increasing and decreasing in response to respective alternate increasing and decreasing secondary fluid flow through the opening; and a pump device which operates in response to vibration of the restricting device. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification