Downhole Formation Testing Tool
First Claim
Patent Images
1. A downhole tool positionable in a wellbore penetrating a subterranean formation, the subterranean formation having a formation fluid therein, comprising:
- a housing;
a coring bit disposed in the housing, the bit being extendable from the housing for engaging a wellbore wall; and
a sample chamber for storing at least two formation samples obtained with the coring bit, wherein the sample chamber includes at least two portions for separately storing the formation samples.
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Abstract
A downhole tool positionable in a wellbore penetrating a subterranean formation is disclosed. The downhole tool includes a housing, a coring bit and a sample chamber. The coring bit is disposed in the housing and is extendable therefrom for engaging a wellbore wall. The sample chamber stores at least two formation samples obtained with the coring bit and includes at least two portions for separately storing the formation samples.
38 Citations
17 Claims
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1. A downhole tool positionable in a wellbore penetrating a subterranean formation, the subterranean formation having a formation fluid therein, comprising:
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a housing;
a coring bit disposed in the housing, the bit being extendable from the housing for engaging a wellbore wall; and
a sample chamber for storing at least two formation samples obtained with the coring bit, wherein the sample chamber includes at least two portions for separately storing the formation samples. - View Dependent Claims (2, 3, 4)
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5. A sample storage assembly for a downhole coring tool positionable in a wellbore penetrating a subterranean formation, the subterranean formation having a formation fluid therein, comprising:
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a first portion for receiving a first sample; and
a second portion for receiving a second sample, wherein the first and second samples are selectively isolated. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A method of storing a plurality of samples obtained from a subterranean formation in a downhole tool positionable in a wellbore penetrating the subterranean formation, the method comprising:
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removing a first sample from a coring bit;
placing the first sample into an opening defining an entrance into a storage assembly;
sealing the first sample in a first portion of the storage assembly;
removing a second sample from a coring bit;
placing the second sample into the opening; and
sealing the second sample in a second portion of the storage assembly, wherein the first and second samples are isolated from each other. - View Dependent Claims (12, 13, 14)
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15. A method of storing a plurality of samples obtained from a subterranean formation in a downhole tool positionable in a wellbore penetrating the subterranean formation, the method comprising:
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placing a first sample into a first portion of a storage assembly, the first portion having a first end and a second end;
sealing the second end of the first portion, thereby defining a first end of a second portion; and
placing a second sample into the second portion of the storage assembly. - View Dependent Claims (16, 17)
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Specification