System and method for real time reservoir management
First Claim
1. A method of real time reservoir management comprising the steps of:
- (a) processing collected reservoir data in accordance with one or more predetermined algorithms to obtain a resultant desired production/injection forecast;
(b) generating a signal to one or more individual well control devices instructing the device to increase or decrease flow through the well control device;
(c) transmitting the signal to the individual well control device;
(d) adjusting the well control device in response to the signal to increase or decrease the production of one or more selected production zones; and
(e) repeating steps (a) through (d) on a real time basis.
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Abstract
A method of real time field wide reservoir management comprising the steps of processing collected field wide reservoir data in accordance with one or more predetermined algorithms to obtain a resultant desired field wide production/injection forecast, generating a signal to one or more individual well control devices instructing the device to increase or decrease flow through the well control device, transmitting the signal to the individual well control device, opening or closing the well control device in response to the signal to increase or decrease the production for one or more selected wells on a real time basis. The system for field wide reservoir management comprising a CPU for processing collected field wide reservoir data, generating a resultant desired field wide production/injection forecast and calculating a target production rate for one or more wells and one or more down hole production/injection control devices.
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Citations
34 Claims
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1. A method of real time reservoir management comprising the steps of:
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(a) processing collected reservoir data in accordance with one or more predetermined algorithms to obtain a resultant desired production/injection forecast;
(b) generating a signal to one or more individual well control devices instructing the device to increase or decrease flow through the well control device;
(c) transmitting the signal to the individual well control device;
(d) adjusting the well control device in response to the signal to increase or decrease the production of one or more selected production zones; and
(e) repeating steps (a) through (d) on a real time basis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
allocating the production/injection forecast to selected producing zones in the reservoir;
calculating a target production/injection rate for one or more selected producing zones;
using the target production/injection rate in step (b) to generate the signal to the individual well control device; and
after the well control device is adjusted in step (d), comparing the target production/injection rate to the actual production/injection rate on a real time basis.
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3. The method of reservoir management of claim 1 further including the steps of:
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pre-processing seismic data and geologic data according to a predetermined algorithm to create a reservoir geologic model; and
using the reservoir geologic model in calculating the desired production rate.
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4. The method of reservoir management of claim 3 further including the steps of:
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updating the reservoir model on a real time basis with at lease one parameter selected from the group consisting of down hole pressure, volume and temperature data; and
processing the updated reservoir data according to a predetermined algorithm to obtain a desired production rate.
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5. The method of reservoir management of claim 1 further including the steps of:
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collecting real time data from one or more down-hole sensors from one or more wells and pre-processing said data using pressure transient analysis; and
using the resultant output in calculating the desired production rate.
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6. The method of reservoir management of claim 1 further including the steps of:
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collecting real time data from one or more seabed production installations for one or more wells and pre-processing said data using pressure transient analysis; and
using the resultant output in calculating the desired production rate.
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7. The method of reservoir management of claim 1 further including the steps of:
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collecting real time data from one or more surface production installations for one or more wells and pre-processing said data using computerized pressure transient analysis; and
using the resultant output in calculating the desired production rate.
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8. The method of reservoir management of claim 1 further including the step of using nodal analysis according to a predetermined algorithm on a real time basis in calculating the desired production rate.
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9. The method of reservoir management of claim 1 further including the step of performing material balance calculations according to a predetermined algorithm on a real time basis in calculating the desired production rate.
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10. The method of reservoir management of claim 1 further including the step of performing risked economic analysis according to a predetermined algorithm on a real time basis in calculating the desired production rate.
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11. The method of reservoir management of claim 1 further including the step of performing reservoir simulation according to a predetermined algorithm on a real time basis in calculating the desired production rate.
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12. The method of reservoir management of claim 11 further including the step of selecting additional well locations based on the reservoir simulation model.
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13. The method of reservoir management of claim 1 further including the step of performing nodal analysis, reservoir simulation, material balance, and risked economic analysis according to a predetermined algorithm on a real time basis in calculating the desired production rate.
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14. The method of reservoir management of claim 1 further including the step of performing nodal analysis and reservoir simulation according to a predetermined algorithm on a real time basis in calculating the desired production rate.
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15. The method of reservoir management of claim 1 further including the step of performing iterative analyses of nodal analysis, material balance, and risked economic analysis on a real time basis according to a predetermined algorithm in calculating the desired production rate.
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16. The method of reservoir management of claim 15 wherein the step of generating a signal to a production control device comprises the step of generating a signal for controlling a downhole control device and wherein the step of adjusting the well control device comprises the step of adjusting the down hole control device.
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17. The method of reservoir management of claim 15 wherein the step of generating a signal to a production control device comprises the step of generating a signal for controlling a surface control device and wherein the step of adjusting the well control device comprises the step of adjusting the surface control device.
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18. The method of reservoir management of claim 15 wherein the step of generating a signal to a production control device comprises generating a signal for controlling a seabed control device and wherein the step of adjusting the well control device comprises the step of adjusting the seabed control device.
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19. The method of reservoir management of claim 1 further including the step of performing iterative analyses of nodal analysis, risked economic analysis, and reservoir simulation on a real time basis according to a predetermined algorithm in calculating the desired production rate.
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20. The method of reservoir management of claim 1 wherein the step of generating a signal to a production control device comprises the step of generating a signal for controlling a downhole control device and wherein the step of adjusting the well control device comprises the step of adjusting the down hole control device.
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21. The method of field reservoir management of claim 1 wherein the step of generating a signal to a production control device comprises the step of generating a signal for controlling a surface control device wherein and the step of adjusting the well control device comprises the step of adjusting the surface control device.
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22. The method of reservoir management of claim 1 wherein the step of generating a signal to a production control device comprises the step of generating a signal for controlling a seabed control device and wherein the step of adjusting the well control device comprises the step of adjusting the seabed control device.
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23. A system for reservoir management comprising:
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a processor for processing collected reservoir data in real time, generating a resultant desired production/injection forecast in real time and calculating in response to the desired forecast a target production rate for one or more wells;
one or more sensors for obtaining reservoir data;
a data base accessible by the processor for storing the reservoir data;
said one or more sensors coupled to the data base for transmitting thereto the reservoir data for use by the processor in real time processing; and
a down hole production/injection control device that receives from the processor a signal indicative of the target production rate. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification