Oil field lease management and security system and method therefor

• US 4,551,719 A
• Filed: 03/07/1983
• Issued: 11/05/1985
• Est. Priority Date: 03/07/1983
• Status: Expired due to Term

• Current Assignee: Weatherford/Lamb Incorporated (Weatherford International PLC)
• Original Assignee: Cypher Systems Co.
• Inventors: Lopez, Benjamin L., Mobeck, William L., Mesch, William G., Carlin, John A., Thompson, Randall D., Henthorn, Jules B.
• Primary Examiner(s): Yusko, Donald J.
• Application Number:
  US06/472,651
• Time in Patent Office: 974 Days
• Field of Search: 340/825.36, 340/825.31, 340/825.32, 340/825.34, 235/380, 235/381, 364/465, 222/26, 222/30
• US Class Current: 340/3.7
• CPC Class Codes: B67D 7/32 Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
• CPC Class Codes: B67D 7/78 Arrangements of storage tanks, reservoirs or pipe-lines
• CPC Class Codes: G01F 1/007 by measuring the level variations of storage tanks relative to the time
• CPC Class Codes: G01F 15/007 comprising means to prevent fraud
• CPC Class Codes: G01F 23/00 Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
• CPC Class Codes: G01F 23/296 Acoustic waves

Abstract

The oil field lease management and security system and method of the present invention for monitoring oil field equipment and for communicating with authorized operators. The system of the present invention includes a plurality of transducers connected to the equipment for sensing operational parameters of the equipment such as fluid levels in oil field storage tanks, a plurality of controllers connected to the equipment for controlling operational components of the equipment such as determining when an oil tank is filled and activating a shut-off valve to prevent further filling of the tank, a communication access panel for allowing an authorized operator to interface with the system, and a monitoring system interconnected with the transducers, the controllers, and the communication access panel for periodically monitoring each of the transducers and the communication access panel wherein the monitoring system is capable of storing transducer information corresponding to the operational parameters from the transducers such as the levels of oil in the storage tanks and operator information from the communication access panel such as the operator'"'"'s password and access code.

Claims

1. An oil field lease management and security system for monitoring oil field lease equipment and for communicating with authorized operators interacting with said oil field lease equipment, said system comprising:

a plurality of means connected to said equipment for sensing operational parameters of said equipment,

a plurality of means connected to said equipment for controlling operational components of said equipment,

means separate from said equipment for converting operator communication signals originating from and directed to said authorized operators into corresponding electrical signals,

an alarm, and

means connected to said converting means and interconnected with said sensing means and with said controlling means for periodically monitoring each of said sensing means and said converting means, said monitoring means being capable of storing equipment information corresponding to said operational parameters and operator information from said converting means and of selectively activating said controlling means based on said equipment and operator information, said monitoring means being further responsive to said operator information for determining whether said operator'"'"'s interaction with said equipment is authorized, said monitoring means being capable of generating and storing equipment information concerning said operators'"'"' interaction, if said operators'"'"' interaction is unauthorized with said equipment, said monitoring means being further connected to said alarm for activating said alarm, said converting means being capable of converting said equipment and operator information stored in said monitoring means into operator usable data.

2. The oil field lease management and security system of claim 1 further comprising:

a second alarm, and

at least one means at a location remote from said oil field equipment, said converting means, and said monitoring means for communicating with said monitoring means, said communicating means being receptive of an alarm signal from said monitoring system for activating said second alarm and for receiving said equipment and operator information.

3. The oil field lease management and security system of claim 1 in which said monitoring means comprises:

a real time clock for outputting known time intervals,

means for storing said equipment and operator information,

first means connected to said storing means and to said real time clock and responsive to said equipment information for interfacing and delivering said equipment information into said storing means, the aforesaid equipment information at least containing the identity of said equipment, the operational status of said equipment, and the time when the operational status was determined for each piece of equipment, and

second means connected to said storing means and receptive of said electrical signals from said converting means for interfacing and delivering said operator information into said storing means, the aforesaid operator information at least containing the identity of said operator, said second interfacing and delivering means being capable of selectively retrieving said equipment information and said operator information from said storing means and delivering the aforesaid stored information to said converting means.

4. The system of claim 1 wherein said monitoring means and said converting means are contained in a housing comprising:

a communication access panel holding a plurality of communication devices comprising said converting means for communicating with said operator, said devices being capable of generating said electrical signals, and

a weatherproof container for holding said communication access panel a predetermined distance above the ground, said container having a portion extending underground a predetermined distance below frost-line and said underground portion being capable of holding said monitoring means in a sealed water-tight environment.

5. The oil field lease management and security system of claim 1 wherein said monitoring means provides power to said sensing means and to said controlling means only during said periodical monitoring thereof.

6. An oil field lease management and security system for monitoring oil field lease equipment and for communicating with authorized operators interacting with said oil field lease equipment, said system comprising:

a plurality of means connected to said equipment for sensing operational parameters of said equipment,

a plurality of means connected to said equipment for controlling operational components of said equipment,

means separate from said equipment for converting operator communication signals originating from and directed to said authorized operators into corresponding electrical signals, and

means connected to said converting means and interconnected with said sensing means and with said controlling means for periodically monitoring each of said sensing means and said converting means, said monitoring means being capable of storing equipment information corresponding to said operational parameters and operator information from said converting means and of selectively activating said controlling means based on said stored equipment and operator information, said monitoring means comprising;

(a) a real time clock for outputting predetermined time intervals,

(b) means for storing said equipment and operator information,

(c) first means connected to said storing means and to said real time clock and receptive of said equipment information said sensing means for interfacing and delivering said equipment and operator information into said storing means, and

(d) second means connected to said storing means and receptive of said electrical signals from said converting means for interfacing and delivering said operator information into said storing means, said second interfacing and delivering means being capable of selectively retrieving said equipment and operator information from said storing means and delivering said stored information to said converting means,

said monitoring means being further responsive to said operator information for determining whether said operators'"'"' interaction with said equipment is authorized, said monitoring means being capable of generating and storing equipment information concerning said operators'"'"' interaction, if said operators'"'"' interaction is unauthorized with said equipment said monitoring means being capable of extending an alarm signal, said converting means being capable of converting said equipment and operator information stored in said monitoring means into operator usable data.

7. The system of claim 6 wherein said monitoring means and said converting means are contained in a housing comprising:

(a) a communication access panel containing said converting means, and

(b) a weatherproof container for holding said communication access panel a predetermined distance above the ground, said container having a portion extending underground a predetermined distance below frost-line and said underground portion being capable of holding said monitoring means in a sealed water-tight environment.

8. The oil field lease management and security system of claim 6 further comprising:

an alarm, and

at least one means at a location remote from said oil field equipment, said converting means, and said monitoring means for communicating with said monitoring means, said communicating means being receptive of said alarm signal from said monitoring system for activating said alarm and for receiving said equipment and operator information.

9. The oil field lease management and security system of claim 6 wherein said monitoring means provides power to said sensing means and controlling means only during said periodical monitoring thereof.

10. An oil field lease management and security system interfacing with an authorized operator for monitoring and controlling crude oil storage and transfer in a plurality of crude oil storage tanks, each of said storage tanks having an inlet and at least one outlet, said system comprising:

means in each of said storage tanks for at least sensing the level of crude oil in each said tank, the temperature of crude oil in each said tank, and when crude oil flows through said at least one outlet from each said tank, said sensing means being capable of generating signals proportional thereto,

means separate from said sensing means and receptive of manual interface signals from said authorized operator for converting said manual interface signals into electrical signals representative of operator information, and

means receptive of the tank information pertaining to said level, temperature, and flow signals from said sensing means and further receptive of said electrical signals from said converting means for monitoring said sensing means and said converting means for transfers of crude oil from said tanks, said monitoring means being capable of storing said tank information for all said transfers and being further capable of transmitting an alarm signal when said transfer of crude oil from said tanks is unauthorized, said converting means being capable of outputting said stored tank and operator information for said transfers for use by said authorized operator, said outputted information at least identifying said authorized operator, the date and time of said transfer, and the amount and temperature of crude oil transferred.

11. The system of claim 10 in which said sensing means further comprises:

an ultrasonic transducer located on the underside of the roof of each of said storage tanks for detecting the level of crude oil in said tank and for generating a signal proportional thereto,

a plurality of temperature transducers oriented in a predetermined vertical path in said storage tank for detecting the temperature in said tank and for generating a signal proportional thereto,

a flow transducer coupled to said at least one outlet from said tank for detecting when fluid is flowing in said outlet and for generating a signal in that event, and

means on said storage tank receptive of said ultransonic transducer signal, of said temperature transducers signal, and of said flow transducer signal for producing said tank information representative of the actual level of fluid in said tank, a statistical temperature measurement of oil in said tank, and when a transfer of fluid is occurring from said tank.

12. The system of claim 10 wherein said monitoring means comprises:

a real time clock for outputting second, minute, hour, day, week, month and year time intervals,

means for storing said tank and operator information,

first means connected to said storing means and to said real time clock and responsive to said level, temperature, and flow signals from said sensing means for interfacing and delivering said tank information into said storing means, the aforesaid tank information at least containing the identity of each said tanks, the level of oil in each of said tanks, the time when oil flows out from and into each of said tanks, and the temperature of oil in each of said tanks, and

second means connected to said storing means and receptive of said electrical signals from said converting means for interfacing and delivering said operator information into said storing means, the aforesaid operator information at least containing the identity of said operator, said second interfacing and delivering means being capable of selectively retrieving said tank information and said operator information from said storing means and delivering said stored information to said converting means.

13. The system of claim 10 further comprising:

means at a location remote from said oil storage tanks, said sensing means, and said monitoring means for communicating with said monitoring means, said remote communicating means being capable of selectively receiving said stored tank and operator information and said alarm signal,

an alarm, and

said remote communicating means being capable of activating said alarm when said alarm signal is received.

14. The system of claim 10 wherein said monitoring means monitors said tank information only during predetermined periodical time intervals and provides a first level of low power during said predetermined time intervals to all sensing means and a second level of higher power to each individual sensing means only when said sensing means is sensing tank information and generating signals proportional thereto, said sensing means being unpowered at times other than during said predetermined time intervals.

15. The system of claim 10 further comprising a means connected to each of said storage tank inlets for preventing flow of crude oil into said inlet, said monitoring means interconnected with said preventing means for activating said preventing means when said sensing means senses the level of said crude oil in each said tank at a predetermined full level.

16. An oil field lease management and security system interfacing with the operator for monitoring and controlling crude oil storage and transfer in a plurality of crude oil storage tanks, said system comprising:

a transducer in each of said storage tanks for detecting the level of crude oil in said tank and for generating a signal proportional thereto,

a plurality of temperature transducers oriented in a predetermined vertical path in said storage tank for detecting the temperature in said tank and for generating signals proportional thereto,

means on each storage tank receptive of said transducer signals and of said temperature transducer signal for producing tank information representative of the actual level of fluid in said tank, a statistical temperature measurement of oil in said tank, and when a transfer of fluid is occurring from the tank,

means receptive of manual interface signals from said operator for converting said manual interface signals into electrical signals representative of operator information, and

means receptive of said tank information from said producing means and further receptive of said operator information from said converting means for monitoring said producing means and said converting means, said monitoring means being capable of storing said monitored tank and operator information, said monitoring means being further responsive to said operator information for determining whether said operator'"'"'s interaction with said tanks is authorized, if said operator'"'"'s interaction with said tanks is unauthorized, said monitoring means being further capable of transmitting an alarm signal, said converting means being capable of printing said stored tank and operator information for use by said operator, said printed information at least identifying said operator, the date and time of said transfer, and the amount and temperature of crude oil transferred.

17. The system of claim 16 wherein said monitoring means comprises:

a real time clock for outputting known time intervals,

means for storing said tank and operator information,

first means connected to said storing means and to said real time clock and responsive to said tank information from said sensing means for interfacing and delivering said tank information into said storing means, the aforesaid tank information at least containing the identity of each said tanks, the level of oil in each of said tanks, the time when oil flows out from and into each of said tanks, and the temperature of oil in each of said tanks, and

second means connected to said storing means and receptive of said operator information from said converting means for interfacing and delivering said operator information into said storing means, the aforesaid operator information at least containing the identity of said operator, said second interfacing and delivering means being capable of selectively retrieving said tank information and said operator information from said storing means and delivering the aforesaid information to said converting means.

18. The system of claim 16 further comprising:

means at a location remote from said oil storage tanks, said sensing means, and said monitoring means for communicating with said monitoring means, said remote communicating means being capable of selectively receiving said stored tank and operator information and said alarm signal,

an alarm, and

said remote communicating means being capable of activating said alarm when said alarm signal is received.

20. The system of claim 16 wherein said monitoring means monitors said tank information only during predetermined periodical time intervals and provides a first level of power during said predetermined time intervals to all producing means and a second level of higher power to each individual producing means and interconnected level and temperature transducers only when said means is producing said tank information, said producing means and interconnected level and temperature transducers being unpowered at times other than during said predetermined time intervals.

19. An oil field lease management and security system interfacing with the operator for monitoring and controlling crude oil storage and transfer in a plurality of crude oil storage tanks, said system comprising:

a transducer in each of said storage tanks for detecting the level of crude oil in said tank and for generating a signal proportional thereto,

a plurality of temperature transducers oriented in a predetermined vertical path in said storage tank for detecting the temperature in said tank and for generating signals proportional thereto,

means on each storage tank receptive of said transducer signals and of said temperature transducer signal for producing tank information representative of the actual level of fluid in said tank, a statistical temperature measurement of oil in said tank, and when a transfer of fluid is occurring from the tank,

means receptive of manual interface signals from said operator for converting said manual interface signals into electrical signals representative of operator information,

means receptive of said tank information from said sensing means and further receptive of said operator information from said converting means for monitoring said sensing means and said converting means, said monitoring means being capable of storing said monitored tank and operator information, said monitoring means being further responsive to said operator information for determining whether said operator'"'"'s interaction with said tanks is authorized, if said operator'"'"'s interaction with said tanks is unauthorized, said monitoring means being further capable of transmitting an alarm signal, said converting means being capable of printing said stored tank and operator information for use by said operator, said printed information at least identifying said operator, the date and time of said transfer, and the amount and temperature of crude oil transferred, and

said monitoring means and said converting means being contained in a housing comprising;

(a) a communication access panel holding a plurality of communication devices comprising said converting means for communicating with said operator, said devices being capable of generating said operator information, and

(b) a weatherproof container for holding said communication access panel a predetermined distance above the ground, said container having a portion extending underground a predetermined distance below frost-line and said underground portion being capable of holding said monitoring means in a sealed water-tight environment.

21. An oil field lease management system interfacing with an operator for monitoring and controlling crude oil storage and tansfer in a plurality of crude oil storage tanks, said system comprising:

means in each of said storage tanks for at least sensing the level of crude oil in each said tank and the temperature of crude oil in each said tank, said sensing means being capable of generating signals proportional to the aforesaid tank information,

means receptive of manual interface signals from said operator for converting said manual interface signals into electrical signals representative of operator information,

a real time clock for outputting known time intervals,

means for storing said operator and tank information,

first means connected to said storing means and to said real time clock and responsive to said level and temperature signals from said sensing means for interfacing and delivering said tank information into said storing means, the aforesaid tank information at least containing the identity of each of said tanks, the level of oil in each of said tanks, and the temperature of oil in each of said tanks, and

second means connected to said storing means and receptive of said electrical signals from said converting means for interfacing and delivering said operator information into said storing means, the aforesaid operator information at least containing the identity of said operator, said second interfacing and delivering means being capable of selectively retrieving said tank information and said operator information from said storing means and delivering the aforesaid stored information to said converting means, said converting means being capable of outputting said stored tank and operator information for use by said operator, said outputted information at least identifying said operator, the date and time of said transfer, and the amount and temperature of crude oil transferred.

22. The system of claim 21 further comprising:

means at a location remote from said oil storage tanks, said sensing means, and said monitoring means for communicating with said monitoring means, said remote communicating means being capable of selectively receiving said stored tank and operator information.

23. An oil field lease management and security system interfacing with an operator for monitoring and controlling crude oil storage and transfer in a plurality of crude oil storage tanks, each of said storage tanks having an inlet and at least one outlet, said system comprising:

an ultrasonic transducer located on the underside of the roof of each of said storage tanks for detecting the level of crude oil in said tank and for generating a signal proportional thereto,

a plurality of temperature transducers oriented in a predetermined vertical path in said storage tank for detecting the temperature of oil in said tank and for generating signals proportional thereto,

a flow transducer coupled to said at least one outlet from said tank for detecting when fluid is flowing in said outlet and for generating a signal in that event,

means on each storage tank receptive of said ultransonic transducer signal, of said temperature transducer signal, and of said flow transducer signal for producing signals representative of information pertaining to each of said tanks,

means receptive of manual interface signals from said operator for converting said manual interface signal into electrical signals representative of operator information,

means receptive of the tank information pertaining to said level, temperature, and flow signals from said ultrasonic temperature, and flow transducers and further receptive of said electrical signals from said converting means for monitoring each of the aforeasid transducers and said converting means, said monitoring means comprising;

(a) a real time clock for outputting known time intervals,

(b) means for storing said tank and operator information,

(c) first means connected to said storing means and to said real time clock and receptive of said tank information from said producing means for interfacing and delivering said tank information into said storing means, and

(d) second means connected to said storing means and receptive of said electrical signals from said converting means for interfacing and delivering said operator information into said storing means, said second interfacing and delivering means being capable of selectively retrieving said tank and operator information from storing means and delivering said stored information to said converting means, said monitoring means being capable of storing said tank information and for tansmitting an alarm signal for said unauthorized transfers of crude oil from said tanks when said operator'"'"'s interaction with said tanks is unauthorized, and said converting means being capable of printing said stored tank and operator information for use by said operator, said printed information identifying said operator for authorized transfers, the date and time of said authorized and unauthorized transfers, and the amount and temperature of crude oil transferred for each transfer.

24. The system of claim 23 wherein said monitoring means and said converting means are contained in a housing comprising:

a communication access panel holding a plurality of communication devices comprising said converting means for communicating with said operator, said devices being capable of generating electrical signals, and

a weatherproof container for holding said communication access panel a predetermined distance above the ground, said container having a portion extending underground a predetermined distance below frost-line and said underground portion being capable of holding said monitoring means in a sealed water-tight environment.

25. The system of claim 23 wherein said monitoring means accesses all of said producing means only during predetermined periodical time intervals, said monitoring means providing a first level of low power during said predetermined time interval to all of said producing means and a second level of higher power to each individual producing means only when each individual producing means is producing said tank information, said second level of power being sufficient to power the ultrasonic, flow, and temperature transducers interconnected with the aforesaid individual producing means.

26. The system of claim 23 further comprising a means connected to each said storage tank inlet for preventing flow of crude oil into said inlet, said monitoring means interconnected with said preventing means for activating said preventing means when said sensing means senses the level of said crude oil in each said tank at a predetermined full level.

27. An oil field lease management and security system interfacing with an operator for monitoring and controlling crude oil storage and transfer in a plurality of crude oil storage tanks, said system comprising:

means at each of said storage tanks for sensing transfers of crude oil from each said tank, said sensing means being capable of generating tank information representative of said transfer,

means receptive of manual interface signals from said operator for converting said manual interface signals into electrical signals representative of operator information, and

means receptive of said tank information from said sensing means and further receptive of said operator information from said converting means for monitoring said sensing means and said converting means, said monitoring means being capable of storing said tank information pertaining to transfers of crude oil and for transmitting an alarm signal when said operator'"'"'s interaction with said tanks is unauthorized, said converting means being capable of outputting said stored tank and operator information for use by said operator, said outputted information at least identifying said operator for authorized transfers, the date and time of said authorized and unauthorized transfers, and the amount and temperature of crude oil transferred for each transfer.

28. The system of claim 27 wherein said monitoring means comprises:

a real time clock for outputting known time intervals,

means for storing said tank and operator information,

first means connected to said storing means and to said real time clock and receptive of said tank information from said sensing means for interfacing and delivering said tank information into said storing means, the aforesaid tank information at least containing the identity of each of said tanks, the level of oil in each of said tanks, the time when oil flows out from and into each of said tanks, and the temperature of oil in each of said tanks, and

second means connected to said storing means and receptive of said electrical signals from said converting means for interfacing and delivering said operator information into said storing means, the aforesaid operator information at least containing the identity of said operator, said second interfacing and delivering means being capable of selectively retrieving said tank information and said operator information from said storing means and delivering the aforesaid information to said converting means.