阅读说明：本技术 一种深水油气勘探采集观测系统 (Deepwater oil and gas exploration acquisition observation system ) 是由 汤长雨 崔泽伟 于 2020-06-05 设计创作，主要内容包括：本申请涉及一种深水油气勘探采集观测系统,包括勘探船和安装在勘探船上的采集站、线缆、多个用于采集地电信息的采集装置、多个信号中转装置和沉缆装置,所述线缆一端与勘探船连接,另一端设有浮标；所述多个采集装置均匀布设于线缆上；所述信号中转装置用于接收采集装置的地电信息并将地电信息发送至采集站；所述信号中转装置设于线缆上,并置于采集装置和勘探船之间；所述沉缆装置安装在线缆上,以使多个采集装置沉入深海。(The application relates to a deepwater oil and gas exploration acquisition observation system, which comprises an exploration ship, an acquisition station, a cable, a plurality of acquisition devices, a plurality of signal transfer devices and a cable sinking device, wherein the acquisition station is installed on the exploration ship; the plurality of collecting devices are uniformly distributed on the cable; the signal transfer device is used for receiving the geoelectricity information of the acquisition device and sending the geoelectricity information to the acquisition station; the signal transfer device is arranged on the cable and is arranged between the acquisition device and the exploration ship; the cable sinking device is installed on the cable so that the plurality of collecting devices are sunk into the deep sea.)

1. A deep water oil and gas exploration acquisition and observation system comprises an exploration ship and an acquisition station (100) installed on the exploration ship, and is characterized by further comprising:

one end of the cable (200) is connected with the exploration ship, and the other end of the cable (200) is provided with a buoy (201);

the system comprises a plurality of acquisition devices (300) for acquiring the geoelectricity information, wherein the acquisition devices (300) are uniformly distributed on a cable (200);

the signal relay devices (400), wherein the signal relay devices (400) are used for receiving the earth electricity information of the acquisition devices (300) and sending the earth electricity information to the acquisition station (100); the signal transfer device (400) is arranged on the cable (200) and is arranged between the acquisition device (300) and the exploration ship;

a mooring device (500), the mooring device (500) being mounted on the cable (200) to enable a plurality of harvesting devices (300) to be moored into the deep sea.

2. Deep water oil and gas exploration acquisition and observation system according to claim 1, characterized in that said acquisition device (300) comprises an electromagnetic acquisition module (302), a position detection module (303) and a data storage processing module (301);

the electromagnetic acquisition module (302) is used for acquiring earth electricity information;

the position detection module (303) is used for detecting and acquiring position information of other adjacent acquisition devices (300) and the signal transfer device (400);

the data storage and processing module (301) is used for processing and storing the geoelectrical information and the position information, and the data storage and processing module (301) can be further connected with other adjacent acquisition devices (300) and the position signals in the signals.

3. The deep water oil and gas exploration collection observation system according to claim 2, wherein the signal relay device (400) comprises a signal processing module (401), and the signal processing module (401) is used for receiving the geoelectric information and the position information sent by the data storage module and integrating the geoelectric information and the position information and sending the geoelectric information and the position information to the collection station (100).

4. The deep water oil and gas exploration, collection and observation system of claim 1, wherein the cable sinking device (500) comprises a cable sinking piece, the cable sinking piece is sleeved on the cable (200), and the cable sinking piece is provided with a water storage cavity, and a water inlet channel and a water outlet channel which are communicated with the water storage cavity and the outside.

5. A deep water oil and gas exploration acquisition and observation system according to claim 1, further comprising an ejection device (600) mounted on the exploration vessel and electrically connected with the acquisition station (100), wherein the cable (200) is tied on one end of the ejection device, and the ejection device can be controlled to be actuated by the instruction of the acquisition station (100) so as to deploy the cable (200) from the exploration vessel or recover the cable (200) to the exploration vessel.

6. Deep water oil and gas exploration acquisition and observation system according to claim 5, wherein a plurality of cables (200) are provided, and the launching device is activated to spread the plurality of cables (200) in a fan-shaped distribution.

7. The deep water oil and gas exploration collection observation system according to claim 6, wherein the included angle between any two cables (200) is in the range of 15-30 degrees.

Technical Field

The application relates to the technical field of oil and gas exploration, in particular to a deepwater oil and gas exploration acquisition and observation system.

Background

The Marine Controlled-source Electromagnetic method (MCSEM) is currently the most commonly used Marine oil and gas Electromagnetic prospecting method. The method adopts a ship-borne movable horizontal electric dipole source and an array electromagnetic receiver arranged on the sea bottom to receive electromagnetic field signals of sea bottom stratums, obtains resistivity distribution of underground stratums by processing and explaining the received electromagnetic field signals, and is used for directly detecting the oil-gas-containing property by means of the close relation between the resistivity and the oil-gas-containing saturation of a reservoir stratum.

Disclosure of Invention

Technical problem to be solved

In order to solve the problems, the application provides a deepwater oil and gas exploration, collection and observation system.

(II) technical scheme

In order to achieve the above purpose, the present application provides the following technical solutions: a deepwater oil and gas exploration acquisition observation system comprises an exploration ship, an acquisition station, a cable, a plurality of acquisition devices, a plurality of signal transfer devices and a cable sinking device, wherein the acquisition station is installed on the exploration ship; the plurality of collecting devices are uniformly distributed on the cable; the signal transfer device is used for receiving the geoelectricity information of the acquisition device and sending the geoelectricity information to the acquisition station; the signal transfer device is arranged on the cable and is arranged between the acquisition device and the exploration ship; the cable sinking device is installed on the cable so that the plurality of collecting devices are sunk into the deep sea.

Preferably, the acquisition device comprises an electromagnetic acquisition module, a position detection module and a data storage and processing module; the electromagnetic acquisition module is used for acquiring earth electricity information; the position detection module is used for detecting and acquiring position information of other adjacent acquisition devices and signal transfer devices; the data storage processing module is used for processing and storing the electricity information and the position information, and the data storage processing module can also be connected with other adjacent acquisition devices and the position signals in the signals.

Preferably, the signal transfer device comprises a signal processing module, and the signal processing module is used for receiving the geoelectricity information and the position information sent by the data storage module, and integrating and sending the geoelectricity information and the position information to the collection station.

Preferably, sink the cable device including sinking the cable spare, sink the cable spare suit on the cable, sink and be equipped with the water storage chamber on the cable spare and put through water storage chamber and external inhalant canal and drainage channel.

Preferably, the launching device is arranged on the exploration ship and is electrically connected with the acquisition station, one end of the cable is tied on the launching device, and the launching device can be controlled to be started through instructions of the acquisition station so that the cable can be unfolded from the exploration ship or can be recovered to the exploration ship.

Preferably, the cable is provided with a plurality of cables, and the ejection device is started to enable the plurality of cables to be fanned out.

Preferably, the included angle between any two cables ranges from 15 degrees to 30 degrees.

(III) advantageous effects

Compared with the prior art, the beneficial effects of this application are: the deepwater oil and gas exploration acquisition observation system is characterized in that a cable is unfolded in seawater, the cable part tied with an acquisition device is immersed in the deepwater through a cable immersion device, then the acquisition device starts to acquire geoelectric information, the acquisition device acquires the geoelectric information and performs data processing, and after acquiring the geoelectric information including but not limited to the longitudinal direction and the transverse direction of a geological target body, an acquisition station effectively identifies and explains complex geological structures and oil and gas reservoirs by means of related inversion means, so that the position and the scale of the oil and gas reservoirs are predicted. Generally speaking, the deepwater oil and gas exploration acquisition observation system enables workers to acquire complete geoelectricity information through various data processing modes, and further can effectively identify and explain geological structures and oil and gas reservoirs.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application and not to limit the application, in which:

FIG. 1 shows a first schematic structural diagram of an embodiment of the present application;

FIG. 2 shows a first workflow diagram of an embodiment of the present application;

FIG. 3 shows a second workflow diagram of an embodiment of the present application;

fig. 4 shows a structural diagram ii of an embodiment of the present application.

In the figure: the system comprises an acquisition station 100, a cable 200, a buoy 201, an acquisition device 300, a data storage processing module 301, an electromagnetic acquisition module 302, a position detection module 303, a signal transfer device 400, a signal processing module 401, a cable sinking device 500 and an ejection device 600.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 4, the embodiment of the application discloses a deepwater oil and gas exploration acquisition and observation system, which comprises an exploration ship, an acquisition station 100 arranged on the exploration ship, a cable 200, a plurality of acquisition devices 300 for acquiring geoelectricity information, a plurality of signal transfer devices 400 and a cable sinking device 500, wherein one end of the cable 200 is connected with the exploration ship, and the other end of the cable is provided with a buoy 201; the plurality of collecting devices 300 are uniformly distributed on the cable 200; the signal relay device 400 is configured to receive the geoelectricity information of the collection device 300 and send the geoelectricity information to the collection station 100; the signal transfer device 400 is arranged on the cable 200 and is arranged between the acquisition device 300 and the exploration ship; the cable sinking apparatus 500 is installed on the cable 200 to sink the plurality of harvesting devices 300 into the deep sea.

Specifically, the cable 200 is reeled on an exploration ship before use, and is unfolded in seawater in the use process, and the buoy 201 is tied at one end of the cable 200 far away from the exploration ship, so that the cable 200 is integrally U-shaped when being unfolded, and the buoy 201 is provided with a signal lamp, so that a worker can quickly find the other end of the cable 200 when the cable 200 is recovered at a later stage, and the cable 200 can be quickly recovered; in addition, in this embodiment, a plurality of collecting devices 300 are uniformly installed in the middle of the whole cable 200, each collecting device 300 is in signal connection with each other, and each collecting device 300 can store data and send the data to two adjacent collecting devices 300 for backup, so that when the data is lost in the process of transmitting the data to the signal transfer device 400 by an electric signal, the collecting devices 300 still have backup, and the data collected by the collecting devices 300 can still be collected by the collecting station 100 after the cable 200 is recovered; a plurality of cable sinking devices 500 are arranged at the head and the tail of the plurality of collecting devices 300, and the plurality of cable sinking devices 500 are distributed among the plurality of collecting devices 300 at intervals, so that the cable 200 tied with the collecting devices 300 is partially sunk into the deep sea; it should be noted that the signal relay device 400 is tied on the cable 200 and located between the heads or tails of the plurality of collecting devices 300 and the survey vessel, and is mainly used for receiving the geoelectrical information from the collecting devices 300, processing and storing the received geoelectrical information, and sending the processed geoelectrical information to the collecting station 100.

Based on the above scheme, when a certain sea area needs to be surveyed, by unfolding the cable 200 in seawater and sinking the cable 200 part tied with the acquisition device 300 into the deep sea through the cable sinking device 500, then the acquisition device 300 starts to acquire geoelectricity information, and after the acquisition device 300 acquires the geoelectricity information, the data processing is simultaneously performed in the following three ways:

firstly, the acquisition device 300 directly sends the earth electricity information to the signal transfer device 400 in the form of an electric signal, the signal transfer device 400 sends the earth electricity information to the acquisition station 100, and the acquisition station 100 performs final data processing, so that the acquisition station 100 can quickly acquire the earth electricity information in seawater, but the acquisition device 300 is far away from the acquisition station 100, and the seawater is blocked between the acquisition device 300 and the acquisition station 100, so that the data is easily interfered by distance and seawater in the transmission process of the electric signal, and the data is lost;

secondly, the collecting device 300 sends the earth electricity information to the adjacent collecting device 300 in the form of electric signals, the adjacent collecting device 300 transmits the earth electricity information to other collecting devices 300 one by one, finally transmits the earth electricity information to the signal transfer device 400, and transmits the earth electricity information to the collecting station 100 through the signal transfer device 400, and the collecting station 100 performs final data processing, and it should be noted that the transmission speed of the method is slower than that of the first method, but the data leakage can be compensated through the method under the condition that the data of the first method is lost, so that the collecting station 100 can obtain complete data and process the data;

thirdly, the acquisition device 300 stores the data in its own storage module after acquiring the geoelectrical information, and the storage module in the acquisition device 300 is acquired by the staff in a physical form after the cable 200 is recovered to the survey vessel, and finally transferred to the acquisition station 100.

After acquiring the longitudinal and transverse geoelectrical information including but not limited to the geological target, the acquisition station 100 achieves effective identification and interpretation of complex geological structures and oil and gas reservoirs by means of related inversion means, and then predicts the positions and scales of the oil and gas reservoirs. Generally speaking, the deepwater oil and gas exploration acquisition observation system enables workers to acquire complete geoelectricity information through various data processing modes, and further can effectively identify and explain geological structures and oil and gas reservoirs.

Further, the acquisition device 300 comprises an electromagnetic acquisition module 302, a position detection module 303 and a data storage processing module 301; the electromagnetic acquisition module 302 is used for acquiring earth electricity information; the position detection module 303 is configured to detect and obtain position information of other adjacent acquisition devices 300 and the signal transfer device 400; the data storage processing module 301 is used for processing and storing the geoelectrical information and the position information, and the data storage processing module 301 can also be connected with other adjacent acquisition devices 300 and the position signals in the signals; the signal relay device 400 includes a signal processing module 401, and the signal processing module 401 is configured to receive the geoelectricity information and the position information sent by the data storage processing module 301, and integrate and send the geoelectricity information and the position information to the collection station 100. The collecting station 100 sorts the geoelectric information after acquiring the geoelectric information, and the collecting station 100 is beneficial to observing the positions of the collecting devices 300 and the signal transfer devices 400 in the seawater after acquiring the position information, so as to judge when the cables 200 are recovered, and prevent the collecting devices 300 and the signal transfer devices 400 from being lost in the seawater.

Further, sink cable device 500 including sinking the cable piece, sink the cable piece suit on cable 200, be equipped with the water storage chamber on sinking the cable piece and put through water storage chamber and external inlet channel and drainage channel, it is specific, sink the heavy metal that cable piece adoption density is big and make, and increase the weight of sinking the cable piece through water storage chamber water storage mode, and then make the cable 200 part that is system has collection system 300 to sink into the deep sea, inlet channel and drainage channel spiral design in addition for the water that gets into the water storage chamber is difficult to flow out, guarantees to sink the weight of cable piece.

It should be further noted that the deepwater oil and gas exploration acquisition and observation system further comprises an ejection device 600, the ejection device 600 is installed on the exploration ship and electrically connected with the acquisition station 100, one end of the cable 200 is tied to the ejection device, the ejection device 600 can be controlled to be started through an instruction of the acquisition station 100, so that the cable 200 is unfolded from the exploration ship or the cable 200 is recovered to the exploration ship, specifically, the ejection device 600 is controlled by the acquisition station 100, and the acquisition station 100 can recover the cable 200 by controlling the ejection device 600 after acquiring the position information of the acquisition device 300 and the signal transfer device 400 in the seawater.

Furthermore, the plurality of cables 200 are arranged, the ejection device is started to enable the plurality of cables 200 to be distributed in a fan shape, the included angle between any two cables 200 ranges from 15 degrees to 30 degrees, in the embodiment, the included angle between any two cables 200 ranges from 20 degrees, so that the deepwater oil and gas exploration acquisition and observation system can be used for exploring a sea area in a larger area, and further can efficiently finish exploration on sea area geological structures and oil and gas reservoirs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.