Autonomous downhole oilfield tool
First Claim
Patent Images
1. An autonomous downhole oilfield tool comprising:
- a) a body adapted to be delivered into a wellbore from the surface and be resident in the wellbore;
b) a source of electrical power operatively associated with the body;
c) at least one sensor associated with the body monitoring at least one operating parameter of the tool relative to its environment;
d) a microprocessor associated with the body receiving data from the sensor;
e) memory associated with the microprocessor providing information for operating instructions to the body;
f) transport mechanism controlled by the microprocessor and moving the body within the wellbore; and
g) an end work device associated with the body performing a desired function downhole h) other equipment operatively associated with the well bore having communications capability; and
i) communications equipment associated with said body for communicating with said other equipment.
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Accused Products
Abstract
An autonomous downhole oilfield tool having its own mobility and decision making capability so that it may be deployed in a downhole environment to monitor and control said environment by modifying operations of other devices and maintaining downhole structures.
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Citations
40 Claims
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1. An autonomous downhole oilfield tool comprising:
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a) a body adapted to be delivered into a wellbore from the surface and be resident in the wellbore;
b) a source of electrical power operatively associated with the body;
c) at least one sensor associated with the body monitoring at least one operating parameter of the tool relative to its environment;
d) a microprocessor associated with the body receiving data from the sensor;
e) memory associated with the microprocessor providing information for operating instructions to the body;
f) transport mechanism controlled by the microprocessor and moving the body within the wellbore; and
g) an end work device associated with the body performing a desired function downhole h) other equipment operatively associated with the well bore having communications capability; and
i) communications equipment associated with said body for communicating with said other equipment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
a) at least one autonomous downhole tool as claimed in claim 6;
b) at least one stationary device in the wellbore having the ability to communicate with the autonomous tool and having access to equipment deliverable to said autonomous tool to facilitate said autonomous tool in carrying out a desired operation.
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8. A downhole tool as claimed in claim 1 wherein said end work device comprises at least one mechanical tool performing mechanical operations on structures in the wellbore.
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9. A downhole tool as claimed in claim 1 wherein said end work device comprises at least one sensor monitoring data in the wellbore, said sensor being selected from the group consisting of formation sensors, wellbore production fluid parameter sensors, and wellbore equipment sensors.
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10. A downhole tool as claimed in claim 9 wherein said at least one sensor is an imaging system.
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11. A downhole tool as set forth in claim 1 wherein the body and end work device together form an item of downhole equipment and operate with the wellbore structure to perform the desired function.
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12. A downhole tool as claimed in claim 11 wherein said downhole equipment is selected from the group consisting of an autonomous packer, anchor, plug, valve, choke and diverter.
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13. A downhole tool as claimed in claim 1 wherein said power source is self contained in association with said body of said tool.
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14. A downhole tool as claimed in claim 1 wherein said transport mechanism utilizes magnetic propagation.
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15. A downhole tool as claimed in claim 1 wherein said transport mechanism utilizes mechanical propagation.
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16. A downhole tool as claimed in claim 1 wherein said transport mechanism utilizes fluid propagation.
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17. A downhole tool as claimed in claim 1 wherein said tool further includes a self-destruct mechanism breaking the body into small parts.
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18. A downhole work system comprising:
a plurality of the downhole tools as claimed in claim 1, with at least two of said plurality of downhole tools including a communications system, said communications system communicating with a plurality of other said downhole tools to accomplish a desired end.
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19. A downhole work system comprising:
a delivery system delivering the downhole tool of claim 1 to a predetermined location downhole and releasing the tool of claim 1 at said predetermined location.
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20. The tool according to claim 1, wherein:
the end work device is selected from a group consisting of a cutting device, milling device, welding device, explosive device, testing device, devive that is adapted to operate a preexisting device in the wellbore, formation evaluation device, charged-coupled device, perforating device, workover device, chemical injection device, testing device including a device to measure temperature, pressure, fluid flow rate, device to test the chemical properties of downhole fluids, device to test the physical properties of the fluids, a data gathering device, a device adapted to move materials within the wellbore, and a device to operate a preexisting device in the wellbore.
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21. A monitoring control and work system for use in a wellbore comprising:
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A) an autonomous tool for operating in the wellbore including;
i) a body adapted to be delivered into a wellbore from the surface and be resident in the wellbore;
ii) a source of electrical power operatively associated with the body;
iii) at least one sensor associated with the body monitoring at least one operating parameter of the tool relative to its environment;
iv) a microprocessor associated with the body receiving data from the sensor;
v) a memory associated with the microprocessor providing information for operating instructions to the body;
vi) a transport mechanism controlled by the microprocessor and moving the body within the wellbore; and
f) an end work device associated with the body performing a desired function downhole; and
B) a docking station mounted in the wellbore at a predetermined location, said docking station cooperating with said autonomous tool to provide electrical power and data to the tool. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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29. A downhole monitoring and control system for zone in a production well, comprising:
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a) at least one fixed sensor in said zone;
b) at least one data gathering tool movable within said zone, said tool including an information uploader and downloader for communicating with said at least one fixed sensor. - View Dependent Claims (30, 31, 32)
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33. An autonomous downhole oilfield tool comprising;
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a) a body adapted to be delivered into a wellbore from the surface and be resident in the wellbore;
b) a source of electrical power operatively associated with the body;
c) at least one sensor associated with the body monitoring at least one operating parameter of the tool relative to its environment;
d) a microprocessor associated with the body receiving data from the sensor;
e) memory associated with the microprocessor providing information for operating instructions to the body;
f) transport mechanism controlled by the microprocessor and moving the body within the wellbore;
g) at end work device associated with the body performing a desired function downhole, said end work device comprising at least one carrier detachably securing and transporting downhole equipment from a first location in the wellbore to a second location. - View Dependent Claims (34)
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35. An autonomous downhole oilfield tool comprising:
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a) a body adapted to be delivered into a wellbore from the surface and be resident in the wellbore;
b) a source of electrical power operatively associated with the body;
c) at least one sensor associated with the body monitoring at least one operating parameter of the tool relative to its environment;
d) a microprocessor associated with the body receiving data from the sensor;
e) memory associated with the microprocessor providing information for operating instructions to the body;
f) transport mechanism controlled by the microprocessor and moving the body within the wellbore; and
j) an end work device associated with the body performing a desired function downhole, said end work device comprising at least one sensor monitoring data in the wellbore, said sensor being selected from the group consisting of formation sensors, wellbore production fluid parameter sensors, and wellbore equipment sensors. - View Dependent Claims (36)
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37. An autonomous downhole oilfield tool comprising:
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a) a body adapted to be delivered into wellbore from the surface and be resident in the wellbore;
b) a source of electrical power operatively associated with the body;
c) at least one sensor associated with the body monitoring at least one operating parameter of the tool relative to its environment;
d) a microprocessor associated with the body receiving data from the sensor;
e) a memory asociated with the microprocessor providing information for operating instructions to the body;
f) transport mechanism controlled by the microprocessor and moving the body within the wellbore by utilizing magnetic propagation; and
g) an end work device associated with the body performing a desired function.
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38. An autonomous downhole oilfield tool comprising:
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a) a body adapted to be delivered into wellbore from the surface and be resident in the wellbore;
b) a source of electrical power operatively associated with the body;
c) at least one sensor associated with the body monitoring at least one operating parameter of the tool relative to its environment;
d) a microprocessor associated with the body receiving data from the sensor;
e) memory associated with the microprocessor providing information for operating instructions to the body;
f) transport mechanism controlled by the microprocessor and moving within the wellbore by utilizing fluid propogation; and
g) an end work device associated with the body performing a desired function downhole.
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39. An autonomous downhole oilfield tool comprising:
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a) a body adapted to be delivered into a wellbore from the surface and be resident in the wellbore;
b) a source of electrical power operatively associated with the body;
c) at least one sensor associated with the body monitoring at least one operating parameter of the tool relative to its environment;
d) a microprocessor associated with the body receiving data from the sensor;
e) memory associated with the microprocessor providing information for operating instructions to the body;
f) transport mechanism controlled by the microprocessor and moving the body within the wellbore;
g) an end work device associated with the body performing a desired function downhole; and
h) a self-destruct mechanism breaking the body into small parts.
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40. An autonomous downhole oilfield tool comprising:
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a) a body adapted to be delivered into a wellbore from the surface and be resident in the wellbore;
b) a source of electrical power operatively associated with the body;
c) at least one sensor associated with the body monitoring at least one operating parameter of the tool relative to its environment;
d) a microprocessor associated with the body receiving data from the sensor;
e) memory associated with the microprocessor providing information for operating instructions to the body;
f) transport mechanism controlled by the microprocessor and moving the body within the wellbore; and
g) an end work device associated with the body performing a desired function downhole the end work device is selected from a group consisting of a cutting device, milling device, welding device, explosive device, testing device, device that is adapted to operate a preexisting device in the wellbore, formation evaluation device, charge coupled device, perforating device, workover device, chemical injection device, testing device including a device to measure temperature, pressure, fluid flow rate, device to test the chemical properties of downhole fluids, device to test the physical properties of the fluids, a data gathering device, a device adapted to move materials within the wellbore, and a device to operate a preexisting device in the wellbore.
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Specification