Technique and apparatus for completing multiple zones
DCFirst Claim
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1. An apparatus usable with a well, comprising:
- a string comprising a passageway; and
a plurality of tools mounted in the string and being adapted to be placed in a state to catch objects of substantially the same size communicated downhole through the passageway,wherein each of said plurality of tools, when placed in the state, restricts its inner diameter from a larger size to a size smaller than said same size to catch one of the objects.
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Abstract
An apparatus that is usable with a well includes a string and a plurality of tools that are mounted in the string. The string includes a passageway. The tools are mounted in the string and are adapted to be placed in a state to catch objects (free-falling objects and/or pumped-down objects, as just a few examples) of substantially the same size, which are communicated downhole through the passageway.
251 Citations
40 Claims
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1. An apparatus usable with a well, comprising:
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a string comprising a passageway; and a plurality of tools mounted in the string and being adapted to be placed in a state to catch objects of substantially the same size communicated downhole through the passageway, wherein each of said plurality of tools, when placed in the state, restricts its inner diameter from a larger size to a size smaller than said same size to catch one of the objects. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An apparatus usable with a well, comprising:
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a tubular member comprising a passageway; a first tool attached to the tubular member, the first tool adapted to be placed in a state to catch a first object communicated through the passageway and perform an operation after catching the first object; and a second tool attached to the tubular member and adapted to transition to a state to catch a second object communicated through the passageway in response to the operation, wherein the first object is communicated through a passageway of the second tool. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A method usable with a well, comprising:
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providing a string having a plurality of tools and a passageway extending through the tools; and without running an activation tool into the passageway, selectively activating the tools of the string according to a sequence to cause each activated tool to transition from a first state in which the activated tool is configured to allow a free-falling object to pass through the passageway to a second state in which the activated tool is configured to catch the free-falling object. - View Dependent Claims (22, 23, 24, 25, 33, 34)
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26. A method usable with a well, comprising:
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dropping a first object into a passageway of a string; catching the first object downhole in a first tool and allowing the first object to pass through a second tool; after the catching, exerting pressure in the passageway to cause the first tool to perform an operation, the operation producing a pressure change downhole; and responding to the pressure change to transition the second tool from a first state in which the second tool is configured to permit a second object communicated through the string to pass through the second tool into a second state in which the second tool is configured to catch the second object. - View Dependent Claims (27, 28, 29, 30, 31, 32, 35, 36)
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37. A method usable with a well, comprising:
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providing a string comprising a passageway and a plurality of tools; and adapting the tools to catch objects of substantially the same size communicated downhole through the passageway such that each of said plurality of tools, when placed in a state, restricts its inner diameter to the same size from a larger size to catch the object. - View Dependent Claims (38, 39, 40)
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Specification