METHODS AND APPARATUSES FOR WIPING SUBTERRANEAN CASINGS
First Claim
Patent Images
1. An object for wiping a subterranean casing, comprising:
- an inner core, wherein the inner core has a first width; and
a deformable layer surrounding the inner core, wherein the deformable layer has a second width;
wherein;
the first width is smaller than a diameter of at least one baffle within the subterranean casing, andthe second width is larger than or equal to a largest inner diameter of the subterranean casing.
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Abstract
An object for wiping a subterranean casing is described herein. The object may include an inner core with a first width. The ball may also include a deformable layer surrounding the inner core. The deformable layer may have a second width. The first width may be smaller than a diameter of at least one baffle within the subterranean casing. The second width may be larger than or equal to the largest inner diameter of the subterranean casing.
32 Citations
20 Claims
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1. An object for wiping a subterranean casing, comprising:
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an inner core, wherein the inner core has a first width; and a deformable layer surrounding the inner core, wherein the deformable layer has a second width; wherein; the first width is smaller than a diameter of at least one baffle within the subterranean casing, and the second width is larger than or equal to a largest inner diameter of the subterranean casing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for wiping a subterranean casing, comprising:
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introducing an object into a subterranean casing, wherein the object comprises as inner core and a deformable layer surrounding the inner core, and wherein the deformable layer contacts an inner surface of the subterranean casing; forcing the object through at least one baffle within the subterranean casing; and causing the object to sealingly engage with a landing profile at a distal end of the subterranean casing. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A system for subterranean operations, comprising:
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a casing string, wherein the casing string includes a landing profile at a distal end; a plurality of sleeves disposed within the casing string, wherein each of the plurality of sleeves includes a baffle; and an object comprising an inner core and a deformable outer layer surrounding the inner core, wherein; the inner core has a first width, the first width is smaller than a diameter of at least one baffle included in the plurality of sleeves, the deformable layer has a second width, and the second width is larger than or equal to a largest inner diameter of the casing string. - View Dependent Claims (18, 19, 20)
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Specification