Elongated probe for downhole tool
First Claim
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1. An apparatus, comprising:
- a tool body configured to be conveyed within a wellbore extending into a subterranean formation;
an inflatable packer coupled to the tool body; and
a probe assembly coupled to the tool body and comprising an inner sealing element and an outer sealing element, wherein at least one of the inner sealing element and the outer sealing element comprises an elongated shape, and wherein at least a portion of the probe assembly is disposed on the inflatable packer wherein the inner sealing element and the outer sealing element are mounted on an exterior surface of the inflatable packer;
a sample flow inlet configured to receive fluid from within the inner sealing element; and
a guard flow inlet configured to receive fluid from between the inner sealing element and the outer sealing element wherein the inner sealing element and the outer sealing element are movable with respect to each other.
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Abstract
An apparatus comprising a tool body configured to be conveyed within a wellbore extending into a subterranean formation, an inflatable packer coupled to the tool body, and a probe assembly coupled to the tool body and comprising an inner sealing element and an outer sealing element, wherein at least one of the inner sealing element and the outer sealing element comprises an elongated shape, and wherein at least a portion of the probe assembly is disposed on the inflatable packer.
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Citations
19 Claims
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1. An apparatus, comprising:
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a tool body configured to be conveyed within a wellbore extending into a subterranean formation; an inflatable packer coupled to the tool body; and a probe assembly coupled to the tool body and comprising an inner sealing element and an outer sealing element, wherein at least one of the inner sealing element and the outer sealing element comprises an elongated shape, and wherein at least a portion of the probe assembly is disposed on the inflatable packer wherein the inner sealing element and the outer sealing element are mounted on an exterior surface of the inflatable packer; a sample flow inlet configured to receive fluid from within the inner sealing element; and a guard flow inlet configured to receive fluid from between the inner sealing element and the outer sealing element wherein the inner sealing element and the outer sealing element are movable with respect to each other. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method, comprising:
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conveying a downhole tool within a wellbore extending into a subterranean formation, wherein the downhole tool comprises; an inflatable packer coupled to a tool body; and a probe assembly coupled to the tool body and comprising an inner sealing element and an outer sealing element, wherein at least one of the inner sealing element and the outer sealing element comprises an elongated shape, wherein the inner sealing element at least partially defines a sample inlet, wherein the inner and outer sealing elements collectively at least partially define a guard inlet, and wherein at least a portion of the probe assembly is disposed on the inflatable packer and wherein the inner sealing element and the outer sealing element are mounted on an exterior surface of the inflatable packer wherein the inner sealing element and the outer sealing element are movable with respect to each other; establishing fluid communication between a sidewall of the wellbore and the inner and outer sealing elements of the probe assembly by inflating the inflatable packer; and drawing formation fluid from the formation into downhole tool through the guard and sample inlets. - View Dependent Claims (8, 9, 10, 11)
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12. An apparatus, comprising:
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a tool body configured to be conveyed within a wellbore extending into a subterranean formation; and a probe assembly coupled to the tool body and comprising an inner sealing element and an outer sealing element, wherein the outer sealing element has a length of about 10 in (25.4 cm) and a width of about 5 in (12.7 cm), and wherein the inner sealing element has a length of about 8.1 in (20.6 cm) and a width of about 2.8 in (7.1 cm) and wherein the inner sealing element and the outer sealing element are mounted on an exterior surface of the inflatable packer wherein the inner sealing element and the outer sealing element are movable with respect to each other. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification