CN209879005U

CN209879005U - Micro-seismic signal acquisition and transmission system for monitoring oil and gas reservoir

Info

Publication number: CN209879005U
Application number: CN201920539057.7U
Authority: CN
Inventors: 李洪川
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2019-12-31
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a monitoring is collected and transmission system with little seismic signal in oil gas reservoir, including little seismic acquisition station, strange land computer workstation, little seismic acquisition station electricity is connected with the little geophone of high sensitivity, the last electric connection of little seismic acquisition station has orientation module, little seismic acquisition station electricity is connected with industrial level 4G router, be provided with data repeater in the industrial level 4G router. Has the advantages that: the device is characterized in that real-time micro-seismic signal data acquired on site are remotely transmitted to any remote computing workstation or computing server end with internet service through a public wireless telecommunication network and a VPN cloud server platform, so that the real-time micro-seismic data are processed and explained, and in addition, the sensitivity of receiving micro-seismic signals on the ground is improved through the series combination of the detector cores of three micro-seismic component (vertical Z component, north-south N component and east-west E component) gathers.

Description

Micro-seismic signal acquisition and transmission system for monitoring oil and gas reservoir

Technical Field

The utility model belongs to the technical field of the technique of evaluating is hidden to the oil gas and specifically relates to an oil gas is hidden monitoring and is collected and transmission system with little seismic signal.

Background

Oil and gas reservoir: the oil gas gathering unit is a basic unit for gathering oil gas on the crust of the earth, is a gathering of the oil gas in a single trap and has an independent pressure system and a uniform oil-water interface. Oil reservoirs are called as oil reservoirs only with oil accumulation; only natural gas gathers is called a gas reservoir. When the oil and gas reservoir has industrial exploitation value, the oil and gas reservoir is called an industrial oil and gas reservoir, otherwise, the oil and gas reservoir is called a non-industrial oil and gas reservoir. The industrial and non-industrial division standards are relative, and depend on the abundance degree of oil and gas resources and the technological level of a country.

In the existing process of modifying the underground reservoir of an oil field (such as fracturing, water injection, profile control and flooding and the like), in order to evaluate the modification effect of the reservoir by a microseismic monitoring mode, a plurality of microseismic signal acquisition instruments are embedded in the surface of a construction site, and microseismic data received by the instruments can be only stored on site or transmitted to a local server side for storage by a local area network mode. The disadvantages are that: real-time data cannot be transferred remotely through a public telecommunication network.

Moreover, the existing microseism acquisition instrument is influenced by the limitation of the open-circuit sensitivity (generally less than 35v/m/s /) of a single detector core, so that the monitoring result of processing, explaining and calculating the microseism signals received from the ground is low in resolution and poor in precision.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can carry out signal transmission's oil gas reservoir monitoring through public wireless telecommunication network and use microseism signal collection and transmission system.

The technical scheme of the utility model is realized like this:

the utility model provides a monitoring is collected and transmission system with little seismic signal for oil and gas reservoir, includes little seismic acquisition station, strange land computer workstation, little seismic acquisition station electricity is connected with the little geophone of high sensitivity, the electricity is connected with the positioning module on the little seismic acquisition station, little seismic acquisition station electricity is connected with industrial grade 4G router, be provided with data repeater in the industrial grade 4G router, industrial grade 4G router electricity is connected with external power supply module, industrial grade 4G router has the network basic station through VPN link, the network basic station passes through the public network server of internet link VPN, strange land computer workstation passes through the internet link the public network server of VPN.

Furthermore, the external power supply module is a rechargeable lithium battery, and the external power supply module can be charged through a power line or a solar cell panel.

Furthermore, the microseism acquisition station comprises an acquisition station circuit board, an attitude sensor, a Bluetooth module and an electronic compass, wherein the attitude sensor, the Bluetooth module and the electronic compass are electrically connected with the acquisition station circuit board.

Furthermore, an electronic feedback circuit, an acquisition control module, a communication interaction module and a direct-current power supply conversion module are arranged on the acquisition station circuit board.

Furthermore, the positioning module is an external Beidou and GPS positioning antenna.

Further, the network base station is a 4G or 5G base station.

Furthermore, the high-sensitivity microseismic detector consists of three components, namely a vertical Z component, a north-south N component and an east-west E component, wherein each component is formed by connecting single detector cores of an industrial-grade 4G router in series.

Furthermore, the remote computer workstation is a device which can be connected with the internet, such as a mobile phone, a computer and the like.

By adopting the technical scheme, the beneficial effects of the utility model are that: the device is characterized in that real-time micro-seismic signal data acquired on site are remotely transmitted to any remote computing workstation or computing server end with internet service through a public wireless telecommunication network and a VPN cloud server platform, so that the real-time micro-seismic data are processed and explained, and in addition, the sensitivity of receiving micro-seismic signals on the ground is improved through the series combination of the detector cores of three micro-seismic component (vertical Z component, north-south N component and east-west E component) gathers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic diagram of the operation of the present invention;

FIG. 2 is a circuit diagram of the microseismic acquisition station of the present invention;

fig. 3 is a circuit diagram of the circuit board of the collecting station of the present invention;

fig. 4 is a circuit diagram of an industrial-grade 4G router of the present invention.

The reference numerals are explained below:

1. a microseismic acquisition station; 2. a data forwarder; 3. an industrial-grade 4G router; 4. a network base station; 5. an internet; 6. a VPN public network server; 7. a remote computer workstation; 8. an external power supply module; 9. a positioning module; 10. a high-sensitivity microseismic detector; 11. a collection station circuit board; 12. an attitude sensor; 13. a Bluetooth module; 14. an electronic compass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a microseism signal acquisition and transmission system for monitoring oil and gas reservoirs comprises a microseism acquisition station 1 and a remote computer workstation 7, wherein the microseism acquisition station 1 is electrically connected with a high-sensitivity microseism detector 10, the microseism acquisition station 1 is electrically connected with a positioning module 9, the microseism acquisition station 1 is electrically connected with an industrial grade 4G router 3, the industrial grade 4G router 3 is a wireless communication device with excellent performance based on 4G/5G network requirements, the industrial grade 4G router 3 is mainly applied to data transmission service and supports functions of transparent data transmission, image transmission, device monitoring, wireless routing internet and the like, the industrial grade 4G router 3 adopts a high-performance 32-bit processor, can process protocols and a large amount of data at high speed, and can be matched with various 4G industrial modules (TD-LTE/FDD-LTE networks), the industrial level 4G router 3 provides 10/100M Ethernet port, WIFI wireless interface, serial port and USB interface, can be connected with various terminal devices, supports WEB configuration mode, is convenient and simple to manage, supports remote short message control, is internally provided with a data repeater 2 in the industrial level 4G router 3, the data repeater 2 is equivalent to a network FTP server, has the main functions of locally storing data acquired by the micro-earthquake acquisition station 1, and realizes the connection with a different-place computer workstation 7 or a calculation server through the network connection with the industrial level 4G router 3 and the connection with a VPN public network server 6 on the Internet 5, thereby realizing the different-place transmission of the data, the industrial level 4G router 3 is electrically connected with an external power supply module 8, the external power supply module 8 can continuously supply power, the industrial level 4G router 3 is connected with a network base station 4 through VPN, the network base station 4 is linked to the VPN public network server 6 through the Internet 5, and the remote computer workstation 7 is linked to the VPN public network server 6 through the Internet 5.

In this embodiment, the external power module 8 is a rechargeable lithium battery, and the external power module 8 can be charged through a power line or a solar cell panel, so as to ensure that the device can work for a long time.

In this embodiment, microseism collection station 1 includes collection station circuit board 11, attitude sensor 12, bluetooth module 13 and electronic compass 14, attitude sensor 12, bluetooth module 13, electronic compass 14 all is connected with collection station circuit board 11 electricity, attitude sensor 12's model is GY-81-30, attitude sensor 12 can check out test set's space posture, electronic compass 14 can conveniently carry out the automatic direction determination, bluetooth module 13 can realize the wireless transmission of data, microseism collection station 1 can adopt USB simultaneously, transmission of data is carried out to multiple interactive working modes such as RS232, its high frequency reaches more than 200Hz, especially adapted carry out unmanned on duty's open-air broadband seismic monitoring of long-time timing.

In this embodiment, the acquisition station circuit board 11 is provided with an electronic feedback circuit, an acquisition control module, a communication interaction module, and a dc power conversion module, which facilitates data acquisition, processing, and transmission.

In this embodiment, orientation module 9 is external big dipper and GPS location antenna, can fix a position the geographical position of micro-seismic acquisition station 1 through orientation module 9, makes things convenient for analysis earthquake place.

In this embodiment, the network base station 4 is a 4G or 5G base station, and the network base station 4 can implement fast and long-distance data transmission.

In the embodiment, the high-sensitivity microseism detector 10 consists of three components, namely a vertical Z component, a north-south N component and an east-west E component, each component is formed by connecting 3 single detector cores of an industrial-grade 4G router in series, and each high-sensitivity microseism detector 10 consists of 9 detector cores, so that the sensitivity of the detector is improved.

In this embodiment, the remote computer workstation 7 is a device such as a mobile phone and a computer that can be connected to the internet 5, and is convenient for query.

The utility model discloses a theory of operation does: the micro earthquake can be induced by the fracture of the underground rock stratum, the micro earthquake energy is outwards transmitted to a high-sensitivity micro earthquake detector 10 in the form of earthquake waves, the high-sensitivity micro earthquake detector 10 detects the micro earthquake energy and then transmits the micro earthquake energy to a micro earthquake acquisition station 1, the micro earthquake acquisition station 1 records micro earthquake signals and transmits the data to an industrial 4G router 3, the industrial 4G router 3 quickly transmits the signals to the Internet 5 through a network base station 4 by a wireless network technology, the micro earthquake information is stored in a VPN public network server 6, the data can be analyzed and processed through cloud management software of the VPN public network server 6, and workers can directly connect with the Internet 5 through a remote computer workstation 7 so as to directly inquire the micro earthquake information on the VPN public network server 6.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a micro seismic signal acquisition and transmission system for monitoring of oil and gas reservoir which characterized in that: including microseism collection station (1), strange land computer workstation (7), microseism collection station (1) electricity is connected with high sensitivity microseism wave detector (10), the electricity is connected with positioning module (9) on microseism collection station (1), microseism collection station (1) electricity is connected with industrial grade 4G router (3), be provided with data repeater (2) in industrial grade 4G router (3), industrial grade 4G router (3) electricity is connected with external power supply module (8), industrial grade 4G router (3) have network base station (4) through the VPN link, network base station (4) link through internet (5) VPN public network server (6), strange land computer workstation (7) pass through internet (5) link through VPN public network server (6).

2. The system of claim 1 for acquiring and transmitting microseismic signals for reservoir monitoring, wherein the system comprises: the external power supply module (8) is a rechargeable lithium battery, and the external power supply module (8) can be charged through a power line or a solar panel.

3. The system of claim 1 for acquiring and transmitting microseismic signals for reservoir monitoring, wherein the system comprises: the microseism acquisition station (1) comprises an acquisition station circuit board (11), an attitude sensor (12), a Bluetooth module (13) and an electronic compass (14), wherein the attitude sensor (12), the Bluetooth module (13) and the electronic compass (14) are all electrically connected with the acquisition station circuit board (11).

4. A microseismic signal acquisition and transmission system for reservoir monitoring as defined in claim 3 wherein: the acquisition station circuit board (11) is provided with an electronic feedback circuit, an acquisition control module, a communication interaction module and a direct-current power supply conversion module.

5. The system of claim 1 for acquiring and transmitting microseismic signals for reservoir monitoring, wherein the system comprises: and the positioning module (9) is an external Beidou and GPS positioning antenna.

6. The system of claim 1 for acquiring and transmitting microseismic signals for reservoir monitoring, wherein the system comprises: the network base station (4) is a 4G or 5G base station.

7. The system of claim 1 for acquiring and transmitting microseismic signals for reservoir monitoring, wherein the system comprises: the high-sensitivity microseism detector (10) consists of three components, namely a vertical Z component, a north-south N component and an east-west E component, and each component is formed by connecting industrial grade 4G routers (3) and single detector cores in series.

8. The system of claim 1 for acquiring and transmitting microseismic signals for reservoir monitoring, wherein the system comprises: the remote computer workstation (7) is a device such as a mobile phone and a computer which can be connected with the Internet (5).