CN207780265U - A kind of vertical survey line system of sea shallow seismic exploration - Google Patents
A kind of vertical survey line system of sea shallow seismic exploration Download PDFInfo
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- CN207780265U CN207780265U CN201721904658.0U CN201721904658U CN207780265U CN 207780265 U CN207780265 U CN 207780265U CN 201721904658 U CN201721904658 U CN 201721904658U CN 207780265 U CN207780265 U CN 207780265U
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Abstract
The utility model belongs to marine seismic prospectiong technical field, more particularly, to a kind of vertical survey line system of marine shallow seismic exploration.Compared to traditional horizontal survey line observed pattern of ocean surface, vertical survey line system provided by the utility model can preferably realize the imaging of the anomalous body intersected with horizontal plane wide-angle, simultaneously, since its survey line mainly extends in depth direction, the region of very little is only taken up in the horizontal direction, marine ship operation is not influenced, and the interference by contact ship is also small；Air gun source uses multiple and different direction air guns and forms, and after epicenter excitation, earthquake wave energy is propagated to multiple directions, therefore can preferably obtain the geological information that side and lower section interface are returned.On this basis, the triggering of focus is impulsed using cable is measured by wireless mode, effectively ensures the water proofing property of system, while also can largely reduce erosion of the seawater to focus.
Description
Technical field
The utility model belongs to marine seismic prospectiong technical field, more particularly, to a kind of the perpendicular of marine shallow seismic exploration
Straight survey line system.
Background technology
Coastal waters is that human development utilizes earliest, the most frequent area of Activities of Ocean.Currently, how effective protection, rationally profit
With the hot spot for exploitation ocean being countries in the world research.China is an ocean big country, and marine resources are abundant, reasonable development and profit
Be conducive to the fast development of China's economy with marine resources.In recent years, with the raising of marine resources development level, China ocean
The scale of engineering construction is more and more big, and structure is more and more complicated, and the requirement for engineering construction is also further stringent, especially port
The construction projects such as mouth, strand power plant, Oversea bridge tunnel, offshore oil platform engineering, to the rolling shape of bedrock surface and dark
The special geologies phenomenon such as reef, deep weathering slot, submarine fault, submarine landslide often has higher exploration requirement, and depth is penetrated to stratum
The requirement of degree is also higher and higher.The detection of coastal waters submarine fault and submarine landslide detection are carried out, can be offshore engineering construction（Port
Mouth, strand power plant, Bridge Tunnel Engineering Crossover Seas etc.）Strong prospecting early period is provided to ensure.It finds out in search coverage in advance
Tomography distribution situation, landslide range and the geologic parameters such as slide surface depth and form support and guidance are provided, for engineering construction
Addressing, construction period engineering geological problems reply and Disposal Measures improve foundation.
Seismic wave geo-exploration technology is one of marine site shallow-layer geology and most popular method in structural exploration.To optimize ocean
Observed pattern and research seabottom geology imaging features, it is to be highly desirable to take effective marine seismic prospectiong device and method
's.Current detection device has following problem.
1. arrangement of measuring-line range is big, shipping is influenced.Marine seismic prospectiong often uses the observed pattern of a plurality of survey line,
Under this observed pattern, to obtain accurate detection to undersea geology, then the arrangement survey line of large area is needed.In coastal waters position
Set that shipping is more, the arrangement of a wide range of survey line both affects shipping, and the data of acquisition also receive the influence of shipping, reduce spy
The accuracy of survey.Meanwhile offshore place's complex geologic conditions, interface dip change greatly, according to small-scale observed pattern, then
It is difficult to reach the detailed detection of a variety of geological interfaces.Therefore, it is badly in need of proposing that a kind of horizontal occupancy range is small and can realize a variety of
The observed pattern that inclination angle interface accurately detects.
2. focus is not fixed easily with detector position.In conventional survey line, usually focus and wave detector are respectively arranged,
This observed pattern is only capable of realizing preferable setting in ocean surface, but relatively locates deeply in ocean（10~100m）, by ocean current etc.
It influences, is difficult to the mutual alignment between focus and wave detector being fixed using towing cable, be easy to focus and wave detector point
Measurement of coordinates and calculating cause bigger difficulty, influence result explanation.Therefore, it is badly in need of proposing that one kind enabling wave detector and focus
The device and method that preferably fixed and completion multiple spot impulses.
3. the wave field that wave detector is acquired is limited.Conventional marine exploration is often only needed to the geology immediately below survey line
Therefore information carries out data acquisition can be met the requirements using simple component wave detector.But it after wave detector submerged, is adopted
The information of collection had both contained the reflective information of lower section, it is also desirable to the earthquake information that lateral propagation is come；Simultaneously as marine vertical survey
Line is straight line observed pattern, is handled using the data of simple component wave detector, and mirror image false anomaly is often formed.Therefore, anxious
It need to propose a kind of to disclosure satisfy that the three-component geophone harvester vertically measured to obtain more comprehensive wave field information and suppress
False anomaly.
4. waterproof and control system.Due to arranging survey line in deep water, it waterproof to instrument and equipment and anti-is pressed with
Higher requirement, existing instrument and equipment are difficult to meet the requirement.Therefore, it is badly in need of proposing a kind of waterproof and effect against pressure is good and energy
Realize contactless control method.
Utility model content
The purpose of this utility model is that for the deficiencies in the prior art, a kind of marine shallow earthquake is provided and is surveyed
The vertical survey line system visited.
For this purpose, the above-mentioned purpose of the utility model is achieved through the following technical solutions：
A kind of vertical survey line system of sea shallow seismic exploration, the vertical survey line system of the sea shallow seismic exploration
Including：Mobile air gun source device, fixed three-component geophone and central control system, the movable type air gun source dress
It sets and is placed in the vertical direction on measuring cable with fixed three-component geophone, setting focus impulses in the measurement cable
Control cable and seismic wave information transmission cable；The central control system be arranged on exploration ship hull and with measure cable phase
Connection；The movable type air gun source device slides up and down along vertical direction on measuring cable, the movable type air gun shake
Source device includes air gun carrier, and multiple horizontal air guns, multiple vertical air guns and air gun array control are arranged on the air gun carrier
Device, multiple horizontal air guns are arranged on the side wall of air gun carrier and the space of even partition air gun carrier surrounding, multiple vertical gas
The space in the lower part of air gun carrier and even partition air gun carrier lower part is arranged in rifle, and the air gun array controller is for controlling
Horizontal air gun and vertical air gun carry out multiple combinations and impulse；The fixed three-component geophone is multiple and compartment of terrain along perpendicular
For histogram to setting on measuring cable, the fixed three-component geophone includes X- components wave detector, Y- components wave detector, Z-
Component wave detector and focus wireless transmitter；The central control system is impulsed control by being arranged in the focus measured in cable
Cable transmission controls signal to focus wireless transmitter and by focus wireless transmitter emissioning controling signal to mobile air gun
Seismic source apparatus carries out epicenter excitation, while the data of fixed three-component geophone progress seismic wave information acquire and pass through earthquake
Wave information transmission cable is transmitted back to central control system.
While using above-mentioned technical proposal, the utility model can also be used or be combined using further below
Technical solution：
Preferably, hanging ring is set above the mobile air gun source device, the hanging ring is connected to exploration ship through lifting rope
On the lifting rope coil being arranged on hull.
Preferably, small permanent magnet is set on the inside of the mobile air gun source device；The fixed three-component
Electromagnet is set in wave detector, is additionally provided with magnet control cable in the measurements cable, the magnet control cable and
Central control system is connected, and the magnet control cable is connected with the electromagnet being arranged in fixed three-component geophone
And for controlling its break-make, the electromagnet is matched with small permanent magnet for fixing or unclamping under conditions of break-make
Mobile air gun source device.
Preferably, the tail portion for measuring cable from top to bottom sets gradually supporting plate and iron pendant along vertical direction, described
Supporting plate is for limiting mobile air gun source device to prevent its whereabouts, and the iron pendant for vertical survey line system for providing downwards
Driving force.
Preferably, the vertical survey line system further includes the fixed frame being arranged on exploration ship hull, is arranged in fixed frame
On measurement cable fixed pulley, the measurement cable fixed pulley be used for across measure cable and for measure cable its surface slide
It is dynamic.
Preferably, the vertical survey line system further includes the fixed frame being arranged on exploration ship hull, is arranged in fixed frame
On lifting rope fixed pulley, the lifting rope fixed pulley be used for across lifting rope and for lifting rope its surface slide.
Preferably, the vertical survey line system further includes measuring cable coil, and the measurement cable coil is connected to center
Control system is simultaneously controlled by it rotation for retractable measurement cable.
Preferably, the vertical survey line system further includes lifting rope coil, and the lifting rope coil is respectively connected to central control
System is simultaneously controlled by it rotation for retractable measurement lifting rope.
The beneficial effects of the utility model are：
（1）Compared to traditional horizontal survey line observed pattern of ocean surface, a kind of sea provided by the utility model is shallow
The vertical survey line system and observed pattern of layer seismic prospecting can preferably realize the anomalous body intersected with horizontal plane wide-angle
Imaging, especially in the cheuch in coastal waters, continental shelf, submerged reef development etc. at complicated geologies, can preferably realize geological interface at
Picture only takes up the region of very little in the horizontal direction simultaneously as its survey line mainly extends in depth direction, does not influence sea
Ship is run, and the interference by contact ship is also small.
（2）The utility model provides a kind of vertical survey line system of marine shallow seismic exploration, and air gun source uses more
A different directions air gun composition, after epicenter excitation, earthquake wave energy is propagated to multiple directions, thus can preferably obtain side and under
The geological information that square interface is returned；Meanwhile the focus is nested on measuring cable, ensure that between focus and measurement cable
Mutual alignment contributes to the later stage to obtain more accurate focus and detector position.On this basis, the triggering of focus is using measurement
Cable is impulsed by wireless mode, effectively ensures the water proofing property of system, while also can largely reduce seawater
Erosion to focus.
（3）The utility model provides a kind of vertical survey line system of marine shallow seismic exploration, and measuring cable will be fixed
Three-component geophone is fixed on according to a determining deviation on cable, can obtain more comprehensive wave field information, contributes to live ground
The positioning at matter interface, while containing electromagnet inside wave detector, cooperation positioning focus.
（4）It is provided by the utility model sea shallow seismic exploration vertical survey line system can study coastal waters geologic body at
As feature and optimization observed pattern, preferably field survey can be instructed to work, find out the tomography distribution feelings in search coverage in advance
Condition, landslide range and the geologic parameters such as slide surface depth and form provide support and guidance, are addressing, the construction period of engineering construction
The reply of engineering geological problems improves foundation with Disposal Measures.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the vertical survey line system of marine shallow seismic exploration provided by the utility model；
Fig. 2 a are the front view of mobile air gun source device provided by the utility model；
Fig. 2 b are the vertical view of mobile air gun source device provided by the utility model；
Fig. 3 a are the outline drawing of fixed three-component geophone provided by the utility model；
Fig. 3 b are the cross section view at A-A in Fig. 3 a；
In figure：100- exploration ship hulls；101- fixed frames；200- movable type air gun source devices；201- air gun carriers；
The horizontal air guns of 202-；The vertical air guns of 203-；204- small permanent magnet；205- air gun array controllers；206- hanging rings；300-
Fixed three-component geophone；301-X- component wave detectors；302-Y- component wave detectors；303-Z- component wave detectors；304- shakes
Source wireless transmitter；305- electromagnet；401- measures cable；402- measures cable fixed pulley；403- measures cable coil；404-
Focus, which impulses, controls cable；405- seismic wave information transmission cables；406- magnet control cables；5- central control systems；
601- lifting ropes；602- lifting rope fixed pulleys；603- lifting rope coils；7- supporting plates；8- iron is fallen.
Specific implementation mode
The utility model is described in further detail with reference to the drawings and specific embodiments.
A kind of vertical survey line system of sea shallow seismic exploration, including：It is mobile air gun source device 200, fixed
Three-component geophone 300 and central control system 5,300 edge of mobile air gun source device 200 and fixed three-component geophone
It vertical direction to be arranged on measuring cable 401, setting focus, which impulses, in measurement cable 401 controls cable 404 and seismic wave letter
Cease transmission cable 405；Central control system 5 is arranged on exploration ship hull 100 and is connected with cable 401 is measured；It is mobile
Air gun source device 200 slides up and down along vertical direction on measuring cable 401, and mobile air gun source device 200 includes
Multiple horizontal air guns 202, multiple vertical air guns 203 and air gun combined controller is arranged on air gun carrier 201 in air gun carrier 201
205, multiple horizontal air guns 202 are arranged on the side wall of air gun carrier 201 and the space of 201 surrounding of even partition air gun carrier,
The space in the lower part of air gun carrier 201 and 201 lower part of even partition air gun carrier, air gun group is arranged in multiple vertical air guns 203
Hop controller 205 carries out multiple combinations for controlled level air gun 202 and vertical air gun 203 and impulses；Fixed three component geophone
Device 300 is that multiple and compartment of terrain is placed in the vertical direction on measuring cable 401, and fixed three-component geophone 300 includes
X- components wave detector 301, Y- components wave detector 302, Z- components wave detector 303 and focus wireless transmitter 304；Center control system
System 5 impulses control 404 transmission of control signals of cable to focus wireless transmitter measuring the focus in cable 401 by being arranged
304 and mobile air gun source device 200 is given to carry out epicenter excitation by 304 emissioning controling signal of focus wireless transmitter, together
When fixed three-component geophone 300 carry out the data acquisition of seismic wave information and pass through seismic wave information transmission cable 405 passing
Defeated time central control system 5.
Hanging ring 206 is set above 200 device of mobile air gun source, and hanging ring 206 is connected to exploration ship hull through lifting rope 601
On the lifting rope coil 603 being arranged on 100.
200 inside setting small permanent magnet 204 of mobile air gun source device；Fixed three-component geophone 300
Interior setting electromagnet 305 measures and is additionally provided with magnet control cable 406 in cable 401, and magnet control cable 406 is in
Centre control system 5 is connected, magnet control cable 406 and 305 phase of electromagnet being arranged in fixed three-component geophone 300
Its break-make is connected and is used to control, electromagnet 305 is matched with small permanent magnet 204 for fixing under conditions of break-make
Or unclamp mobile air gun source device 200.
The tail portion for measuring cable 404 from top to bottom sets gradually supporting plate 7 and iron pendant 8 along vertical direction, and supporting plate 7 is for limiting
Displacement dynamic formula air gun source device 200 is to prevent its whereabouts, and iron pendant 8 for vertical survey line system for providing downward driving force.
Vertical survey line system further includes the fixed frame 101 being arranged on exploration ship hull 100, is arranged on fixed frame 101
Measurement cable fixed pulley 402 and lifting rope fixed pulley 602, measure cable fixed pulley 402 for across measuring cable 401 and be used for
It measures cable 401 to slide on its surface, lifting rope fixed pulley 602 is used to slide across lifting rope 601 and for lifting rope 601 on its surface
It is dynamic.
Vertical survey line system further includes measuring cable coil 403 and lifting rope coil 603, measures cable coil 403 and lifting rope
Coil 603 is respectively connected to central control system 5 and is controlled by it rotation respectively for retractable measurement cable 401 and lifting rope
601。
Above-mentioned specific implementation mode is used for illustrating the utility model, the only preferred embodiment of the utility model, and
It is not to limit the utility model, it is new to this practicality in the spirit and scope of the claims of the utility model
Any modification, equivalent substitution, improvement and etc. that type is made, both fall within the scope of protection of the utility model.
Claims (8)
1. a kind of vertical survey line system of sea shallow seismic exploration, which is characterized in that the sea shallow seismic exploration erects
Directly survey line system includes：Mobile air gun source device, fixed three-component geophone and central control system, the movable type
Air gun source device and fixed three-component geophone are placed in the vertical direction on measuring cable, are set in the measurement cable
Focus is set to impulse control cable and seismic wave information transmission cable；The central control system be arranged on exploration ship hull and with
Cable is measured to be connected；The movable type air gun source device slides up and down along vertical direction on measuring cable, the shifting
Dynamic formula air gun source device includes air gun carrier, and it is gentle that multiple horizontal air guns, multiple vertical air guns are arranged on the air gun carrier
Rifle combined controller, multiple horizontal air guns are arranged on the side wall of air gun carrier and the space of even partition air gun carrier surrounding,
The space in the lower part of air gun carrier and even partition air gun carrier lower part, the air gun array control is arranged in multiple vertical air guns
Device carries out multiple combinations for controlled level air gun and vertical air gun and impulses；The fixed three-component geophone be it is multiple and
It is placed in the vertical direction on measuring cable every ground, the fixed three-component geophone includes X- components wave detector, Y- point
Measure wave detector, Z- components wave detector and focus wireless transmitter；The central control system is being measured by being arranged in cable
Focus impulses control cable transmission control signal to focus wireless transmitter and by focus wireless transmitter emissioning controling signal
Epicenter excitation is carried out to mobile air gun source device, while the data of fixed three-component geophone progress seismic wave information are adopted
Collect and central control system is transmitted back to by seismic wave information transmission cable.
2. the vertical survey line system of sea shallow seismic exploration according to claim 1, which is characterized in that the movable type
Hanging ring is set above air gun source device, and the hanging ring is connected to through lifting rope on the lifting rope coil being arranged on exploration ship hull.
3. the vertical survey line system of sea shallow seismic exploration according to claim 1, which is characterized in that the movable type
Small permanent magnet is set on the inside of air gun source device；Electromagnet, the survey are set in the fixed three-component geophone
It is additionally provided with magnet control cable in amount cable, the magnet control cable is connected with central control system, the electricity
Magnet controls cable and is connected with the electromagnet being arranged in fixed three-component geophone and is used to control its break-make, the electromagnetism
Iron matches under conditions of break-make with small permanent magnet for the mobile air gun source device of fixed or release.
4. the vertical survey line system of sea shallow seismic exploration according to claim 1, which is characterized in that the measurement electricity
The tail portion of cable from top to bottom sets gradually supporting plate and iron pendant along vertical direction, and the supporting plate is for limiting mobile air gun source
Device is to prevent its whereabouts, and the iron pendant for vertical survey line system for providing downward driving force.
5. the vertical survey line system of sea shallow seismic exploration according to claim 1, which is characterized in that the vertical survey
The measurement cable fixed pulley that it further includes the fixed frame being arranged on exploration ship hull that linear system, which is united, is arranged on fixed frame, the survey
Amount cable fixed pulley is used to slide on its surface across measurement cable and for measuring cable.
6. the vertical survey line system of sea shallow seismic exploration according to claim 1, which is characterized in that the vertical survey
The lifting rope fixed pulley that it further includes the fixed frame being arranged on exploration ship hull that linear system, which is united, is arranged on fixed frame, the lifting rope are fixed
Pulley is used to slide across lifting rope and for lifting rope on its surface.
7. the vertical survey line system of sea shallow seismic exploration according to claim 5 or 6, which is characterized in that described perpendicular
Straight survey line system further includes measuring cable coil, and the measurement cable coil is connected to central control system and is controlled by it rotation
Cable is measured for retractable.
8. the vertical survey line system of sea shallow seismic exploration according to claim 5 or 6, which is characterized in that described perpendicular
Straight survey line system further includes lifting rope coil, and the lifting rope coil is respectively connected to central control system and is controlled by it rotation to be used for
Retractable measures lifting rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721904658.0U CN207780265U (en) | 2017-12-29 | 2017-12-29 | A kind of vertical survey line system of sea shallow seismic exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721904658.0U CN207780265U (en) | 2017-12-29 | 2017-12-29 | A kind of vertical survey line system of sea shallow seismic exploration |
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| Publication Number | Publication Date |
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| CN207780265U true CN207780265U (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721904658.0U Withdrawn - After Issue CN207780265U (en) | 2017-12-29 | 2017-12-29 | A kind of vertical survey line system of sea shallow seismic exploration |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020864A (en) * | 2017-12-29 | 2018-05-11 | 中国电建集团华东勘测设计研究院有限公司 | A kind of vertical survey line system of sea shallow seismic exploration and application |
-
2017
- 2017-12-29 CN CN201721904658.0U patent/CN207780265U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020864A (en) * | 2017-12-29 | 2018-05-11 | 中国电建集团华东勘测设计研究院有限公司 | A kind of vertical survey line system of sea shallow seismic exploration and application |
| CN108020864B (en) * | 2017-12-29 | 2023-09-12 | 中国电建集团华东勘测设计研究院有限公司 | Vertical survey line system for offshore shallow seismic exploration and application |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180828 Effective date of abandoning: 20230912 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180828 Effective date of abandoning: 20230912 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |