System and method for automating or metering fluid recovered at a well
First Claim
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1. A wireless communication network for a remote process control system having distributed process control functions performed at sub-systems of the process control system, the network comprising:
- a. a plurality of field devices, wherein each of the plurality of field devices is included in a respective sub-system of the process control system to perform a physical operation in a field;
b. a plurality of meters, wherein each of the plurality of meters is included in a respective sub-system of the process control system to measure a parameter of the physical operation performed by the respective one of the plurality of field devices;
c. a plurality of modules, each control module controlling the operation of a respective one of the plurality of field devices in one of the sub-systems of the process control system, wherein one control module is designated a master communicator and the remaining control modules are designated slave communicators,d. a radio frequency communications module connected to each of the control modules for remotely transmitting and receiving information regarding its sub-system, wherein the designated slave communicators transmit process information to and receive process information from the master communicator,e. a cellular communications module connected to the master communicator for (i) remotely transmitting sub-system process information including measurement or diagnostic data, received from the slave and master communicators, using cellular communication technology, and (ii) receiving sub-system process information for the sub-systems using cellular communication technology, andf. an operator computer communicating with the master communicator using cellular communication technology to transmit sub-system process information to and receive sub-system process information from the master communicator, wherein the sub-system process information transmitted to the master communicator from the operator computer includes information for controlling the operation of the control modules and the corresponding field devices of the process control system.
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Abstract
Disclosed herein are methods, apparatus and systems for automating or metering fluid recovered at a well. According to one example, a system is described for automating the fluid recovery of oil wells using a pump jack or oil extractor. A communications device is installed with each system to allow remote bi-directional communications to monitor, control, and diagnose problems with the device or system.
81 Citations
16 Claims
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1. A wireless communication network for a remote process control system having distributed process control functions performed at sub-systems of the process control system, the network comprising:
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a. a plurality of field devices, wherein each of the plurality of field devices is included in a respective sub-system of the process control system to perform a physical operation in a field; b. a plurality of meters, wherein each of the plurality of meters is included in a respective sub-system of the process control system to measure a parameter of the physical operation performed by the respective one of the plurality of field devices; c. a plurality of modules, each control module controlling the operation of a respective one of the plurality of field devices in one of the sub-systems of the process control system, wherein one control module is designated a master communicator and the remaining control modules are designated slave communicators, d. a radio frequency communications module connected to each of the control modules for remotely transmitting and receiving information regarding its sub-system, wherein the designated slave communicators transmit process information to and receive process information from the master communicator, e. a cellular communications module connected to the master communicator for (i) remotely transmitting sub-system process information including measurement or diagnostic data, received from the slave and master communicators, using cellular communication technology, and (ii) receiving sub-system process information for the sub-systems using cellular communication technology, and f. an operator computer communicating with the master communicator using cellular communication technology to transmit sub-system process information to and receive sub-system process information from the master communicator, wherein the sub-system process information transmitted to the master communicator from the operator computer includes information for controlling the operation of the control modules and the corresponding field devices of the process control system. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A wireless communication network for a remote process control system having distributed process control functions performed at sub-systems of the process control system, wherein each of the sub-systems includes a field device to perform a physical operation in a field and a meter to measure a parameter of the physical operation, the network comprising:
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a. a plurality of control modules, each control module being associated with one of the subsystems of the process control system, and at least one control module controlling the operation of the corresponding field device, wherein one control module is designated a master communicator and the remaining control modules are designated slave communicators, b. a radio frequency communications module connected to each of the control modules for remotely transmitting and receiving information regarding its sub-system, wherein the designated slave communicators transmit process information to and receive process information from the master communicator, c. a cellular communications module connected to the master communicator for remotely transmitting and receiving sub-system process information from the slave and master communicators remotely using cellular communication technology, and d. an operator computer communicating with the master communicator using cellular communication technology to transmit sub-system process information to and receive sub-system process information from the master communicator, wherein the sub-system process information transmitted to the master communicator from the operator computer includes information for controlling the operation of the control modules and the corresponding sub-systems of the process control system. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A wireless communication network for a remote process control system having distributed process control functions performed at sub-systems of the process control system, the network comprising:
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a. a plurality of modules, each control module controlling the operation of one of the sub-systems of the process control system, wherein one control module is designated a master communicator and the remaining control modules are designated slave communicators, b. a radio frequency communications module connected to each of the control modules for remotely transmitting and receiving information regarding its sub-system, wherein the designated slave communicators transmit process information to and receive process information from the master communicator, c. a cellular communications module connected to the master communicator for remotely transmitting and receiving sub-system process information from the slave and master communicators remotely using cellular communication technology, and d. an operator computer communicating with the master communicator using cellular communication technology to transmit sub-system process information to and receive sub-system process information from the master communicator, wherein the sub-system process information transmitted to the master communicator from the operator computer includes information for controlling the operation of the control modules and the corresponding sub-systems of the process control system, wherein a sub-system having a slave communicator produces a product that is output to the sub-system having the master communicator, wherein the control module of the sub-system having the slave communicator measures the amount of the product output to the sub-system having the master communicator and causes the corresponding radio frequency communications module to transmit a message to the radio frequency communications module of the master communicator with the measured output amount of the product, wherein the control module of the sub-system having the master communicator measures the amount of the product received from the sub-system having the slave communicator, compares the measured received amount of the product to the measured output amount of the product from the message from the slave communicator, and determines that an error condition exists where the amount received at the sub-system having the master communicator is not equal to the amount output by the sub-system having the slave communicator.
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16. A wireless communication network for a remote process control system having distributed process control functions performed at sub-systems of the process control system, the network comprising:
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a. a plurality of control modules, each control module being associated with one of the subsystems of the process control system, and at least one control module controlling the operation of the corresponding sub-system, wherein one control module is designated a master communicator and the remaining control modules are designated slave communicators, b. a radio frequency communications module connected to each of the control modules for remotely transmitting and receiving information regarding its sub-system, wherein the designated slave communicators transmit process information to and receive process information from the master communicator, c. a cellular communications module connected to the master communicator for remotely transmitting and receiving sub-system process information from the slave and master communicators, remotely using cellular communication technology, and d. an operator computer communicating with the master communicator using cellular communication technology to transmit sub-system process information to and receive sub-system process information from the master communicator, wherein the sub-system process information transmitted to the master communicator from the operator computer includes information for controlling the operation of the control modules and the corresponding sub-systems of the process control system, wherein a sub-system having a slave communicator produces a product that is output to the sub-system having the master communicator, wherein the control module of the sub-system having the slave communicator measures the amount of the product output to the sub-system having the master communicator and causes the corresponding radio frequency communications module to transmit a message to the radio frequency communications module of the master communicator with the measured output amount of the product, wherein the control module of the sub-system having the master communicator measures the amount of the product received from the sub-system having the slave communicator, compares the measured received amount of the product to the measured output amount of the product from the message from the slave communicator, and determines that an error condition exists where the amount received at the sub-system having the master communicator is not equal to the amount output by the sub-system having the slave communicator.
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Specification