Downhole measurement apparatus and technique
First Claim
Patent Images
1. A system usable with a subterranean well having a casing, the system comprising:
- an apparatus associated with production of well fluid from the well and being located downhole in the well in a passageway of the casing; and
a non-acoustic sensor located downhole near the apparatus in the passageway and adapted to measure a characteristic of the well located outside of the casing.
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Abstract
A system that is usable with a subterranean well that has a casing includes an apparatus that is associated with production of fluid from the well and is located downhole in the well in a passageway of the casing. The system also includes a sensor that is located downhole near the apparatus in the passageway and is adapted to measure a characteristic of the formation fluids and rock located outside of the casing.
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Citations
81 Claims
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1. A system usable with a subterranean well having a casing, the system comprising:
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an apparatus associated with production of well fluid from the well and being located downhole in the well in a passageway of the casing; and
a non-acoustic sensor located downhole near the apparatus in the passageway and adapted to measure a characteristic of the well located outside of the casing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method usable with a subterranean well having a casing, the method comprising:
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producing fluid from the well;
positioning a non-acoustic sensor downhole inside a passageway of the casing; and
using the sensor during the producing to measure a characteristic of the well located outside of the casing. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A system usable with a subterranean well having a casing, the system comprising:
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a transmitter to contact an interior wall of the casing to transmit a first current;
a receiver to contact an interior wall of the casing to receive a second current produced in response to the first current; and
a circuit coupled to receiver to use to the second current to indicate a resistivity measurement. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An apparatus usable with a subterranean well having a casing, the apparatus comprising:
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a punch to be positioned inside a passageway of the casing and pierce the casing to establish communication with a region outside of the casing; and
a sensor to be positioned inside the passageway of the casing to indicate a characteristic associated with the region. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A packer comprising:
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a tubular member;
sealing elements to form seals between the tubular member and a well casing and form a sealed region between the seals;
a puncture device to be positioned inside a passageway of the casing and pierce the casing to establish communication with a region outside of the casing; and
a sensor to be positioned inside the passageway of the casing to indicate a characteristic associated with the region outside of the casing. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49)
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50. A method usable with a subterranean well having a casing, the method comprising:
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providing a puncture device inside a packer; and
actuating the puncture device when the packer is set to pierce the casing to establish communication with a region outside of the casing. - View Dependent Claims (51, 52, 53, 54, 55, 56)
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57. A method usable in a subterranean well, comprising:
establishing communication between an exterior of a casing of the well and a sealed region defined by spaced elements of a packer. - View Dependent Claims (58, 59, 60)
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61. A method usable with a subterranean well, comprising:
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establishing a sealed region downhole;
within the sealed region, piecing a casing of the well; and
without flowing fluids uphole from the sealed region, using the pierced casing to measure a characteristic associated with a region outside of the casing. - View Dependent Claims (62, 63, 64, 65, 66)
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67. A method usable with a subterranean well, comprising:
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establishing at least one sealed region downhole;
in said at least one sealed region, piercing a casing of the well; and
without flowing fluids uphole from the sealed region, using the results of the piercing to establish an array of downhole sensors. - View Dependent Claims (68, 69, 70, 71, 72, 73, 74)
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75. A system usable with a subterranean well having a casing, the system comprising:
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a packer to be lowered downhole inside the casing; and
a sensor attached to the packer to measure a characteristic of the well. - View Dependent Claims (76, 77, 78)
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79. A system usable with a subterranean well, comprising:
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an apparatus to be located downhole inside a casing of the well; and
a projectile deployment device to produce a projectile to pierce the casing of the well, wherein the projectile includes a sensor to perform a measurement associated with the well. - View Dependent Claims (80, 81)
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Specification