METHODS AND APPARATUS FOR REMOVING DEPOSITS ON COMPONENTS IN A DOWNHOLE TOOL
First Claim
1. An apparatus to remove a deposit on an inner surface of a flowline in a downhole tool, comprising;
- a movable scraper disposed in a flowline of a downhole tool, wherein the movable scraper is configured to selectively obstruct the flowline so that a fluid flowing in the flowline moves the movable scraper in the flowline, and wherein the movable scraper has an outer surface configured to engage an inner surface of the flowline so that movement of the outer surface along the inner surface removes a deposit on at least a portion of the inner surface.
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Accused Products
Abstract
Methods and apparatus for removing deposits on components in a downhole tool are described. An example apparatus to remove a deposit on an inner surface of a flowline in a downhole tool includes a movable scraper disposed in a flowline of a downhole tool. The movable scraper is configured to selectively obstruct the flowline so that a fluid flowing in the flowline moves the movable scraper in the flowline. Additionally, the movable scraper has an outer surface configured to engage an inner surface of the flowline so that movement of the outer surface along the inner surface removes a deposit on at least a portion of the inner surface.
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Citations
38 Claims
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1. An apparatus to remove a deposit on an inner surface of a flowline in a downhole tool, comprising;
a movable scraper disposed in a flowline of a downhole tool, wherein the movable scraper is configured to selectively obstruct the flowline so that a fluid flowing in the flowline moves the movable scraper in the flowline, and wherein the movable scraper has an outer surface configured to engage an inner surface of the flowline so that movement of the outer surface along the inner surface removes a deposit on at least a portion of the inner surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An apparatus to clean an inner surface of a flowline in a downhole tool, comprising:
a body configured to move within a flowline of a downhole tool, wherein the body comprises a central portion to obstruct the flowline so that a fluid flowing in the flowline moves the body in the flowline, and wherein the body has an outer surface configured to engage an inner surface of the flowline so that movement of the outer surface along the inner surface is to clean at least a portion of the inner surface. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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31. An apparatus to remove a deposit on a surface of a flowline in a downhole tool, comprising:
a movable scraper disposed in a flowline of a downhole tool that includes a magnetic portion to enable movement of the scraper in the flowline in response to a magnetic field, and wherein the movable scraper has a surface configured to engage a corresponding surface of the flowline so that movement of the surface along the corresponding surface removes a deposit on at least a portion of the corresponding surface. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
Specification