CN106980138A - Ocean high-resolution system vertical energy combination spark source - Google Patents
Ocean high-resolution system vertical energy combination spark source Download PDFInfo
- Publication number
- CN106980138A CN106980138A CN201710314697.3A CN201710314697A CN106980138A CN 106980138 A CN106980138 A CN 106980138A CN 201710314697 A CN201710314697 A CN 201710314697A CN 106980138 A CN106980138 A CN 106980138A
- Authority
- CN
- China
- Prior art keywords
- energy
- negative electrode
- electrode
- spark source
- resolution system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/157—Generating seismic energy using spark discharges; using exploding wires
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Ocean high-resolution system vertical energy combination spark source, control waterborne including controlling circuit with time delay excites unit, depth transducer and transmits the cylindrical orthogonal array framework that connection cable excites unit to be connected with control waterborne by energy, provided with multiple columnar electrode carriers with negative electrode with its diameter parallel on the outside of the framework, control waterborne excites unit negative electrode of different depth in the way of providing electric energy to the negative electrode to inspire different energy in the same time.Space arrangement mode of the application based on electrode, make the excitation energy of each layer of negative electrode different, sinusoidalization or natural logrithmization weighting can be carried out, the wavelet mutual dislocation superposition that every negative electrode is produced to suppress ghosting, effectively system controls all negative electrodes to excite the seismic wavelet of generation to combine, maximized compacting orthogonal array spark source excites the ghosting of the seismic wavelet of generation, greatly improves the resolution ratio of seismic prospecting field data collection.
Description
Technical field
The present invention relates to the spark source during a kind of marine seismic prospectiong, more particularly to a kind of ocean high-resolution is stood
Body vertical energy combines spark source, with Yu Haiyang field high-resolution stereopsis system, survey acquisition seabed middle-shallow layer
Shake reflective information and for marine geologic survey.
Background technology
In the seismic survey work of ocean field, focus is the key equipment in oceanic earthquake exploration data acquisition system,
Especially for ocean middle-shallow layer seismic exploration, electric spark is one of important focus.These years as high-resolution seismic data are adopted
The progress of collection technology, the raising of collector's environmental consciousness, spark source occupies main status in marine seismic prospectiong.Mesh
The main SIG series produced by French S.I.G companies of spark source that the preceding country is generally used, Dutch Geo-Resources
The Geo-spark series of company's production.The related ocean spark source developed both at home and abroad, mainly with planar array form group
Conjunction is excited, and wavelet energy is increased using combination linear, to reach the purpose for improving seismic prospecting seismic wave penetration depth.But with
How the raising of seismic exploration technique requirement, widen the bandwidth of source wavelet and improve its dominant frequency, is that Geophysicist will
The problem of thinking.How ghosting that steam interface zone come is suppressed, and the problems such as how improving energy and penetration depth is that this is special
Niche is in the first technology of the depositing focus to be improved.
The content of the invention
Spark source is combined it is an object of the invention to provide a kind of ocean high-resolution system vertical energy, to improve electricity
Spark-array realizes the effect for widening source wavelet frequency band by space and energy adjustment, produce high-resolution seismic wavelet with
It is applicable the associated specifications of marine high-resolution multichannel seismic exploration system.
The bubble pulse of walls pressure and the relation of time, i.e. single electrode that the present invention is produced according to single electrode, passes through
The regular excitation energy for adjusting each single electrode, such as sineization energy or indexation energy, according to each electrode space and
Excitation energy otherness construction ocean high-resolution system vertical energy combination spark source.
A kind of ocean high-resolution system vertical energy combines spark source, it is characterised in that excite list including control waterborne
Member and positioned at depth transducer under water, the control waterborne excites unit to connect by the transmission of energy with anode watertight connector
The top that cable is connect with cylindrical orthogonal array framework is connected, and the cylindrical orthogonal array framework is whole focus electrode carrying
Body, it includes many columnar electrode carriers, and each described columnar electrode carrier surrounds the axis of cylindrical orthogonal array framework
Evenly distributed, distance of the every columnar electrode carrier with diameter parallel and away from axis is equal, is carried per adjacent two columnar electrodes
The spacing of body is equal；Multiple negative electrodes are equidistantly arranged along its length on each columnar electrode carrier；Each negative electrode
Direction it is identical and be respectively positioned on columnar electrode carrier radially；Described control waterborne excites unit to be controlled including Energy Coherence
Circuit, and the negative electrode of different depth is inspired different energy in the same time in the way of providing electric energy to the negative electrode
Amount.
It is above-mentioned to control the negative electrode that circuit makes different depth in different time progress energy excitations using Energy Coherence, adopt
Combined with sineization or indexation excitation energy.
A kind of form in sineization excitation energy combination is：With most shallow-layer negative electricity extremely initial layers, according to level not
Different different-energies are excited together, and each layer and excitation energy coincidence formula E=E0*sin (k* of preceding layer（π/2/N）),
K is kth layer, and N is total number of plies, and E0 is single negative electrode excitation energy setting value.
A kind of form in indexation excitation energy combination is：With most shallow-layer negative electricity extremely initial layers, according to level not
Different different-energies are excited together, and each layer and the excitation energy coincidence formula E of preceding layer=E0* ln (k*（(e-1)/N）),
K is kth layer, and N is total number of plies, and E0 is single negative electrode excitation energy setting value.
Orthogonal array focus is put in seawater vertically in real work, and all electrodes are according to the energy quantitative change pre-set
Change, which is synchronized, to be excited, so that the bubble in-phase stacking that each layer of negative electrode is excited from top to bottom, because energy is different, phase
Corresponding single electrode wavelet amplitude is different, and the result being so overlapped mutually can effectively suppress sea surface ghost.
The shape of orthogonal array framework be basal diameter be 400mm, a height of 2000mm cylinder, it include vertical arrangement
16 columnar electrode carriers, the spacing of two neighboring columnar electrode carrier is 2cm, and each columnar electrode carrier is provided with 100
Individual negative electrode, all negative electrodes belong to the same circuit, and the spacing of two adjacent negative electrodes is 2cm；All negative electrodes are in net
Trellis is arranged（The spacing of each negative electrode negative electrode adjacent up and down with it is equal）.
The negative electrode is the copper wire wrapped up by polyester material, and energy range is 5-30J during single electrode discharge；
Cylindrical orthogonal array base of frame installs the counterweight ball 7 freely swung.
The design focus entirety excitation energy scope is 8000-48000J.
Can easily it be mounted and dismounted using anode watertight connector, counterweight ball is used for the orthogonal array framework in water
Balance adjustment in body under free state, depth transducer is used to determine focus sinking depth.
In order to ensure under larger sea situation of surging, it is not very acutely, to make this that orthogonal array spark source, which is integrally rocked,
Focus underwater portion installs counterweight ball additional in focus bottom, counterweight ball include weighted spherical ball with positioned at cylindrical orthogonal battle array
The rotating shaft of row base of frame, weighted spherical ball is connected with rotating shaft by swing rod, and purpose swings for the focus eliminated due to generation of surging.
The method that spark source produces source wavelet, its feature are combined using above-mentioned ocean high-resolution system vertical energy
It is to comprise the following steps：
This focus is equipped on workboat and travelled to predetermined maritime area, the present apparatus is lifted into water, sensed by depth pressure
Device detect whether reach desired depth,
Control waterborne excites unit to power each columnar electrode carrier, the negative electrode of different depth is inspired in the same time
Different energy, so as to produce source wavelet, and enables the source wavelet produced to be pressed according to the energy difference opposite sex of negative electrode
Ghosting processed, so as to improve the energy of focus and the resolution ratio of seismic wavelet, it is adaptable to ocean high-resolution seismic investigation and prospecting.
The present invention has following characteristics：
A. ocean high-resolution system vertical energy combination spark source is using negative electrode electric discharge uniformity prior art, based on electricity
The space arrangement mode of pole, the excitation energy for each layer of negative electrode 6 carries out sineization or natural logrithmization is weighted so that
The wavelet that every negative electrode is produced can mutual dislocation superposition so as to suppressing ghosting.Effectively system controls all negative electrodes 6
The seismic wavelet of generation is excited to combine, maximized compacting orthogonal array spark source excites the void of the seismic wavelet of generation anti-
Penetrate, greatly improve the resolution ratio of seismic prospecting field data collection.
B. the characteristics of cathodic discharge is prior art, such a technology is electrode discharge not consumable material, can keep single
The wavelet coherence of electrode.
C. in order to ensure under larger sea situation of surging, it is not that very acutely, this focus bottom is installed that focus, which integrally rocks,
Counterweight ball, it is therefore an objective to rock angle using freely swinging for counterweight ball come limit orthogonal array focus.
D. depth pressure sensor 4 is utilized, real-time Transmission determines cylinder sinking depth, for calculating compacting ghosting
Space length.
E. whole electrode arrangement is 16 symmetrical column electrode holders, is symmetrical using whole electrode framework center line, between waiting
Away from the side for being arranged in cylinder.
F. 100 electrodes equidistantly arranged on each column like catalyst carrier, all electrodes belong to the same circuit, and electrode
Spacing is 2cm.It is arranged, utilizes the different spaces depth of negative electrode 6 so that the earthquake that the negative electrode 6 of same depth is produced
Wavelet can mutually be delayed superposition, effectively suppress sea surface ghost.
G. focus general frame 4 is basal diameter 400mm, high 2000mm.All electrodes belong to the same circuit, swash simultaneously
Hair.Columnar electrode carrier 5 is spaced 2cm, around orthogonal array totally 16 columnar electrode carriers 5.On every columnar electrode carrier 5
The length of negative electrode 6 is 2cm, a diameter of 5mm of floor space.The structure of negative electrode 6 is, the electric discharge copper wire 9 that polyester material 10 is wrapped up.
Brief description of the drawings
The ocean high-resolution system vertical energy combination spark source schematic diagram of Fig. 1 present invention.
The single columnar electrode carrier schematic diagrames of Fig. 2.
Mono- negative electrode schematic diagram of Fig. 3.
The stereogram of Fig. 4 focus general frame, columnar electrode carrier and negative electrode.
The source wavelet that the ocean high-resolution system vertical energy combination spark source of Fig. 5 present invention is produced.
Fig. 6 is the amplitude spectrum of the source wavelet shown in Fig. 5.
Wherein, 1, control waterborne excites unit, and 2, energy transmission cable, 3, anode watertight connector, 4, cylindrical orthogonal battle array
Row framework, 5, columnar electrode carrier, 6, negative electrode, 7, counterweight ball, 8, depth transducer, 9, electric discharge copper wire, polyester material
10。
Embodiment
As Figure 1-4, a kind of ocean high-resolution system vertical energy combination spark source, it is characterised in that including water
Upper control excites unit 1 and positioned at depth transducer 8 under water, and the control waterborne excites unit 1 to pass through with anode watertight
The energy transmission connection cable 2 of joint 3 is connected with the top of cylindrical orthogonal array framework 4, the cylindrical orthogonal array frame
Frame 4 is whole focus electrode supporting body, and it includes many columnar electrode carriers 5, and each described columnar electrode carrier 5 is around circle
The axis of cylindrical vertical array framework 4 is evenly distributed, distance phase of the every columnar electrode carrier 5 with diameter parallel and away from axis
Deng, per adjacent two columnar electrode carriers 5 spacing it is equal；It is equidistant along its length on each columnar electrode carrier 5
Arrange multiple negative electrodes 6；The direction of each negative electrode 6 is identical and is respectively positioned on columnar electrode carrier 5 radially；
Described control waterborne excites unit 1 to include Energy Coherence and controls circuit, and to provide the side of electric energy to the negative electrode 6
Formula makes the negative electrode 6 of different depth inspire different energy in the same time.
It is above-mentioned to control circuit the negative electrode 6 of different depth is carried out energy excitation in the different time using time delay,
It excites rule to include sineization or the combination of indexation excitation energy, i.e., most shallow-layer negative electrode 6 is starting excitation layer, successively
Excite successively, and each layer is away from excitation energy coincidence formula E=E0*sin (k* with preceding layer（π/2/N）) or E=E0* ln
(k*（(e-1)/N）), k is kth layer, and N is total number of plies, and E0 is single negative electrode excitation energy setting value.
Orthogonal array focus is put in seawater vertically in real work, and all electrodes are according to the energy quantitative change pre-set
Change, which is synchronized, to be excited, so that the bubble in-phase stacking that each layer of negative electrode 6 is excited from top to bottom, because energy is different,
Corresponding single electrode wavelet amplitude is different, and the result being so overlapped mutually can effectively suppress sea surface ghost.
The method that spark source produces source wavelet, its feature are combined using above-mentioned ocean high-resolution system vertical energy
It is to comprise the following steps：
This focus is equipped on workboat and travelled to predetermined maritime area, the present apparatus is lifted into water, sensed by depth pressure
Device 8 detect whether reach desired depth,
Control waterborne excites unit 1 to power each columnar electrode carrier 5, the negative electrode 6 of different depth is swashed in the same time
Different energy are sent, so as to produce source wavelet, and enable the source wavelet that produces according to the capacity volume variance of negative electrode 6
Property compacting ghosting, so as to improve the energy of focus and the resolution ratio of seismic wavelet, it is adaptable to ocean high-resolution seismic explore
Work.
Embodiment
The shape of orthogonal array framework 4 be basal diameter be 400mm, a height of 2000mm cylinder, it include vertical row
16 columnar electrode carriers 5 of row, the spacing of two neighboring columnar electrode carrier 5 is to be set on 2cm, each columnar electrode carrier 5
There are 100 negative electrodes 6, all negative electrodes 6 belong to the same circuit, and the spacing of two adjacent negative electrodes 6 is 2cm；All the moon
Electrode 6 is in latticed array.
The negative electrode 6 is the copper wire wrapped up by polyester material, and energy range is 5-30J during single electrode discharge；
The design focus entirety excitation energy scope is 8000-48000J.
Can easily it be mounted and dismounted using anode watertight connector 3, counterweight ball 7 exists for the orthogonal array framework
Balance adjustment in water body under free state, depth transducer 8 is used to determine focus sinking depth.
In order to ensure under larger sea situation of surging, it is not very acutely, to make this that orthogonal array spark source, which is integrally rocked,
Focus underwater portion installs counterweight ball 7 additional in focus bottom, counterweight ball 7 include weighted spherical ball with positioned at cylindrical orthogonal
The rotating shaft of the bottom of array framework 4, weighted spherical ball is connected with rotating shaft by swing rod, and purpose is put for the focus eliminated due to generation of surging
It is dynamic.
Energy transmission cable 2 is about 150m, in the top fitting depth sensor 8 of focus general frame 4, counterweight ball 7
And negative electrode 6 is fully integrated and is installed on focus general frame 4.Wherein, every 100 negative electrodes are integrated in a columnar electrode
On carrier, then 20 columnar electrode carriers are installed on the cylindrical side of focus general frame successively.
Integrated stranded cable in above-mentioned 150m connection cable 2, is connected by anode watertight connector 3.Including electricity
20 strands of source discharge and recharge cathode line and anode line（The quantity of correspondence columnar electrode carrier）, 1 strand of depth transducer real-time link, ground
1 strand of line.Various cables are integrated with insulation softer metals parcel, prevent the inductive effect between cable.All cable connectors
It is integrated in anode watertight connector 3, the connection of indoor unit and outdoor unit is realized within a fitting.
Prior art of the present invention according to cathodic discharge, using the electrode of simultaneous shot, based on different spatial depth positions
The excitation energy of relation and sineization or each layer of negative electrode 6 of natural logrithmization is put, COMPREHENSIVE CALCULATING source waveletTime Delay and energy supposition, carry out staggered superposition compacting ghosting phenomenon.
From Fig. 5 and Fig. 6, the source wavelet that the present invention is produced has high frequency range, and high-resolution and good void are anti-
Compacting feature is penetrated, the demand of ocean high-resolution seismic exploration is met.
Claims (9)
1. a kind of ocean high-resolution system vertical energy combines spark source, it is characterised in that excite unit including control waterborne
（1）With positioned at depth transducer under water（8）, the control waterborne excites unit（1）By with anode watertight connector（3）'s
Energy transmits connection cable（2）With cylindrical orthogonal array framework（4）Top connection, the cylindrical orthogonal array framework
（4）It is whole focus electrode supporting body, it includes many columnar electrode carriers（5）, described each columnar electrode carrier（5）Enclose
Around cylindrical orthogonal array framework（4）Axis it is evenly distributed, every columnar electrode carrier（5）With diameter parallel and away from axis
Distance it is equal, per adjacent two columnar electrode carriers（5）Spacing it is equal；Each columnar electrode carrier（5）On along length
Degree direction equidistantly arranges multiple negative electrodes（6）；Each negative electrode（6）Direction it is identical and be respectively positioned on columnar electrode carrier（5）
Radially；Described control waterborne excites unit（1）Circuit is controlled including Energy Coherence, and with to the negative electrode（6）Carry
The mode of power supply energy makes the negative electrode of different depth（6）Different energy are inspired in the same time.
2. ocean high-resolution system vertical energy as claimed in claim 1 combines spark source, it is characterised in that above-mentioned profit
Make the negative electrode of different depth with Energy Coherence control circuit（6）Carry out energy excitation in different time, using sineization or
Person's indexation excitation energy is combined.
3. ocean high-resolution system vertical energy as claimed in claim 2 combines spark source, it is characterised in that it is described just
String excitation energy combination in a kind of form be：With most shallow-layer negative electrode（6）For initial layers, difference is excited according to level difference
Different-energy, and each layer and excitation energy coincidence formula E=E0*sin (k* of preceding layer（π/2/N）), k is kth layer, and N is
Total number of plies, E0 is single negative electrode excitation energy setting value.
4. ocean high-resolution system vertical energy as claimed in claim 2 combines spark source, it is characterised in that the finger
Numberization excitation energy combination in a kind of form be：With most shallow-layer negative electrode（6）For initial layers, difference is excited according to level difference
Different-energy, and each layer and the excitation energy coincidence formula E of preceding layer=E0* ln (k*（(e-1)/N）), k is kth layer, N
For total number of plies, E0 is single negative electrode excitation energy setting value.
5. ocean high-resolution system vertical energy as claimed in claim 1 combines spark source, it is characterised in that the circle
Cylindrical vertical array framework（4）Shape be basal diameter be 400mm, a height of 2000mm cylinder, it include vertical arrangement
16 columnar electrode carriers（5）, two neighboring columnar electrode carrier（5）Spacing be 2cm, each columnar electrode carrier（5）
Provided with 100 negative electrodes（6）, all negative electrodes（6）Belong to the same circuit, two adjacent negative electrodes（6）Spacing be
2cm；All negative electrodes（6）In latticed array.
6. the ocean high-resolution system vertical energy combination spark source as described in claim 1 or 5, it is characterised in that described
Negative electrode（6）It is the copper wire wrapped up by polyester material, energy range is 5-30J during single electrode discharge.
7. the ocean high-resolution system vertical energy combination spark source as described in claim 1 or 5, it is characterised in that described
Cylindrical orthogonal array framework（4）Bottom is installed by the counterweight ball freely swung（7）.
8. ocean high-resolution system vertical energy as claimed in claim 6 combines spark source, it is characterised in that the shake
Source entirety excitation energy scope is 8000-48000J.
9. combining the method that spark source produces source wavelet using above-mentioned ocean high-resolution system vertical energy, its feature exists
In comprising the following steps：
This focus is equipped on workboat and travelled to predetermined maritime area, the present apparatus is lifted into water, sensed by depth pressure
Device（6）Detect whether to reach desired depth,
Control waterborne excites unit（1）To each columnar electrode carrier（5）Power supply, makes the negative electrode of different depth（6）Same
Time inspires different energy, so as to produce source wavelet, and enables the source wavelet produced according to negative electrode（6）'s
Energy difference opposite sex compacting ghosting, so as to improve the energy of focus and the resolution ratio of seismic wavelet, it is adaptable to ocean high-resolution
Seismic survey work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314697.3A CN106980138B (en) | 2017-05-06 | 2017-05-06 | Marine high-resolution stereoscopic vertical energy combined electric spark seismic source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710314697.3A CN106980138B (en) | 2017-05-06 | 2017-05-06 | Marine high-resolution stereoscopic vertical energy combined electric spark seismic source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106980138A true CN106980138A (en) | 2017-07-25 |
| CN106980138B CN106980138B (en) | 2023-08-04 |
Family
ID=59341037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710314697.3A Active CN106980138B (en) | 2017-05-06 | 2017-05-06 | Marine high-resolution stereoscopic vertical energy combined electric spark seismic source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106980138B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024175944A1 (en) * | 2023-02-24 | 2024-08-29 | Sercel Sas | Marine seismic source with enhanced characteristics and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5995452A (en) * | 1996-07-29 | 1999-11-30 | Hydroacoustics, Inc. | System for generating and transmitting acoustic signals underwater |
| CN1632615A (en) * | 2004-12-09 | 2005-06-29 | 国家海洋局第一海洋研究所 | Intelligent control composite coherent electric sparks |
| CN2775681Y (en) * | 2004-12-09 | 2006-04-26 | 国家海洋局第一海洋研究所 | Intelligent control energy electric spark focal device |
| CN101825724A (en) * | 2010-04-13 | 2010-09-08 | 中国石化集团华北石油局地球物理勘探公司 | Method for improving seismic prospecting distinguishability of loess tableland by combined earthquake focus excitation |
| CN205581312U (en) * | 2016-04-18 | 2016-09-14 | 北京同度工程物探技术有限公司 | Macro -energy sparker launches head |
| CN106405631A (en) * | 2016-08-31 | 2017-02-15 | 中国石油天然气集团公司 | Electric spark vibration source excitation method and vibration source setting method |
| CN206114921U (en) * | 2016-10-10 | 2017-04-19 | 中国电建集团华东勘测设计研究院有限公司 | A swash and shake device for neritic area seismic prospecting |
-
2017
- 2017-05-06 CN CN201710314697.3A patent/CN106980138B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5995452A (en) * | 1996-07-29 | 1999-11-30 | Hydroacoustics, Inc. | System for generating and transmitting acoustic signals underwater |
| CN1632615A (en) * | 2004-12-09 | 2005-06-29 | 国家海洋局第一海洋研究所 | Intelligent control composite coherent electric sparks |
| CN2775681Y (en) * | 2004-12-09 | 2006-04-26 | 国家海洋局第一海洋研究所 | Intelligent control energy electric spark focal device |
| CN101825724A (en) * | 2010-04-13 | 2010-09-08 | 中国石化集团华北石油局地球物理勘探公司 | Method for improving seismic prospecting distinguishability of loess tableland by combined earthquake focus excitation |
| CN205581312U (en) * | 2016-04-18 | 2016-09-14 | 北京同度工程物探技术有限公司 | Macro -energy sparker launches head |
| CN106405631A (en) * | 2016-08-31 | 2017-02-15 | 中国石油天然气集团公司 | Electric spark vibration source excitation method and vibration source setting method |
| CN206114921U (en) * | 2016-10-10 | 2017-04-19 | 中国电建集团华东勘测设计研究院有限公司 | A swash and shake device for neritic area seismic prospecting |
Non-Patent Citations (1)
| Title |
|---|
| 万;吴衡;王劲松;温明明;: "海洋高分辨反射地震勘探震源的技术特征", 地质装备, no. 03 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024175944A1 (en) * | 2023-02-24 | 2024-08-29 | Sercel Sas | Marine seismic source with enhanced characteristics and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106980138B (en) | 2023-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106526658B (en) | Ocean high-resolution solid phase modulation focus | |
| CA2777134C (en) | Seismic acquisition in marine environments using survey paths following a series of linked deviated paths and methods of use | |
| CN1168997C (en) | Remote reservoir resistivity mapping | |
| CN1276377C (en) | Method of imaging subsurface formations using a virtual source array | |
| CN103454686B (en) | Method and system for reservoir prediction based on small-scale sedimentary facies of stratigraphic slice | |
| CN101343999B (en) | Array magnetic-acoustic electro-conductibility imaging logging method and apparatus | |
| US9958564B2 (en) | Multi-vessel seismic acquisition system and method | |
| CN106932814A (en) | Ocean high-resolution system vertical time delay spark source | |
| CN105158808B (en) | A kind of shallow sea transient electromagnetic air-sea detection and its means of interpretation | |
| CN106646624B (en) | Asymmetric electrical method sounding method | |
| CN109856680B (en) | Drag type shallow layer seismic detection method for coastal beach area | |
| CN110231656A (en) | Waters unexploded magnetic method detection device | |
| AU2013331280B2 (en) | Flared pseudo-random spiral marine acquisition | |
| CN106980138A (en) | Ocean high-resolution system vertical energy combination spark source | |
| CN102720484A (en) | While-drilling acoustic well-logging apparatus and well-logging method | |
| CN206710620U (en) | Ocean high-resolution system vertical array spark source | |
| CN206696448U (en) | Ocean controllable source time-frequency electromagnetic data acquisition system | |
| CN206710622U (en) | Ocean high-resolution system vertical energy combination spark source | |
| CN201548702U (en) | Transmitting coil and receiving coil of mining transient electromagnetic instrument | |
| CN206710621U (en) | Ocean high-resolution system vertical time delay spark source | |
| CN106932815A (en) | Ocean high-resolution system vertical array spark source | |
| CN109683199B (en) | Multisource random excitation seismic acquisition method for offshore seismic exploration | |
| CN205643731U (en) | Marine side road distance is cable seismic acquisition system to one side | |
| CN206311772U (en) | Ocean high-resolution solid phase modulation focus | |
| CN1065338C (en) | Detection system for sweepage channel in earth dam and geologic hidden peril in reservoir dam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |