CN213633854U - Detachable small-size air gun seismic source system - Google Patents
Detachable small-size air gun seismic source system Download PDFInfo
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- CN213633854U CN213633854U CN202022716671.1U CN202022716671U CN213633854U CN 213633854 U CN213633854 U CN 213633854U CN 202022716671 U CN202022716671 U CN 202022716671U CN 213633854 U CN213633854 U CN 213633854U
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Abstract
The utility model provides a detachable small-size air gun seismic source system, including highly-compressed air supply system, electric power supply device, hoist and mount suspension system, seismic source system, air gun control section and hull load-carrying part, this electric power supply device connects in this air supply system and this hoist and mount suspension system, for they provide electric power support, this highly-compressed air supply system provides high-pressure gas for this seismic source system, this hoist and mount suspension system sinks this seismic source system to the design degree of depth, this seismic source system is under this air gun control section's control, spout high-pressure gas in water rapidly and form high-pressure bubble, accomplish the breathing vibrations, this air supply system, this electric power supply device, this hoist and mount suspension system, this seismic source system and this air gun control section all are located this hull load-carrying part. The detachable small-sized air gun seismic source system can effectively excite in designed shot positions in special areas such as reservoirs and lakes where explosive seismic sources cannot be used, and is high in construction efficiency.
Description
Technical Field
The utility model relates to a geophysical exploration technical field especially involves a detachable small-size air gun seismic source system.
Background
The onshore geophysical exploration construction of special water areas can not carry out explosive source excitation operation according to requirements. The similar existing equipment is mainly an 'electric spark' seismic source, and has the problems of weak excitation energy, insufficient noise suppression capability, poor data quality and low construction efficiency, and the insufficient data energy is obviously seen through single shot recording.
In the application No.: chinese patent application CN201520105395.1 relates to a mobile air gun seismic source system, which is characterized in that: the air gun consists of an air gun control system, a high-pressure system and an air gun; the air gun control system is connected with the air gun through a control line and controls the air gun piston to act, and the high-pressure system is connected with the air gun through a high-pressure air pipe and a gun plate; the air gun control system comprises an air gun controller, a plurality of sensors, an uninterruptible power supply and a power supply, wherein the sensors are connected with the input end of the air gun controller through data lines, and the power supply is connected with the air gun controller through the uninterruptible power supply and supplies power to the air gun controller; high-pressure system include air compressor, gas bomb, high pressure filter, fisherman valve, rifle board, manifold, air compressor pass through high-pressurepipe and be connected with the gas bomb, provide gas to the gas bomb, on the gas bomb was connected to the manifold through high-pressurepipe, be equipped with high pressure filter, fisherman valve on the high-pressurepipe between gas bomb and manifold, fisherman valve control high-pressure system's maximum pressure, the manifold passes through high-pressurepipe and is connected with the rifle board. The fishing man valve has been mentioned in this design, explains in high pressure system, and this design is more complicated, and the air compressor machine should select for use the prime mover (diesel engine) drive, and the quality can be great, and the requirement can increase to rifle battle array receiving and releasing flotation stage. The transportation can not be carried out by one vehicle for a long distance, which indicates that the use cost is higher.
In the application No.: CN 201320690390.0's Chinese patent application relates to an air gun seismic source engineering ship, including a ship body (3), a cabin (1) located in the ship body (3), a main deck (2), characterized in that, the middle part of the ship body (3) is also provided with an air compressor cabin (4) adjacent to the cabin (1); the air compressor cabin (4) is provided with a professional air compressor (5) and a high-pressure air cylinder (6), and the professional air compressor (5) is communicated with the high-pressure air cylinder (6) through a pipeline; an air distribution panel (7) is arranged in the middle of the main deck (2) on the upper side of the air compressor cabin (4), one end of the air distribution panel (7) is communicated with a high-pressure air bottle (6) through a pipeline, and the other end of the air distribution panel is connected with an air gun group (8); the air gun group (8) is connected with an air gun folding and unfolding system on a deck at the stern part of the ship through a steel cable (12). The device is used for physical exploration operation in shallow sea, inland lakes and rivers cannot use the device, and the device is large in design quality, so that land transportation and moving of vehicles cannot be achieved.
Therefore, the utility model discloses a novel detachable small-size air gun seismic source system, which solves the technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detachable small-size air gun seismic source system of energy that the energy that produces is obviously higher than the energy that the electric spark produced.
The purpose of the utility model can be realized by the following technical measures: a detachable small air gun seismic source system comprises a high-pressure air supply system, an electric power supply device, a hoisting suspension system, a seismic source system, an air gun control part and a ship body bearing part, the power supply device is connected with the air supply system and the hoisting suspension system to provide electric support for the air supply system and the hoisting suspension system, the high-pressure air supply system is connected with the seismic source system and used for supplying high-pressure air to the seismic source system, the hoisting suspension system is connected with the seismic source system, the seismic source system is sunk to the designed depth, the seismic source system is connected with the air gun control part, under the control of the air gun control part, high-pressure air is rapidly sprayed into water to form high-pressure bubbles to complete expansion and contraction vibration, the air supply system, the power supply device, the lifting suspension system, the seismic source system and the air gun control part are all positioned on the ship body bearing part.
The purpose of the utility model can be realized by the following technical measures:
the high-pressure air supply system comprises an air compressor, an air storage cylinder, a separator and a manifold box, wherein the air compressor is connected to the power system and is driven by the power system to provide high-pressure air, the air storage cylinder is connected to the air compressor to store the high-pressure air, the separator is connected to the air storage cylinder, the high-pressure air in the air storage cylinder is separated into water and high-pressure gas through the separator, the manifold box is connected to the separator, and the high-pressure gas output by the separator is transmitted to the seismic source system through the manifold box.
The high-pressure air supply system also comprises a pressure limiting valve, a safety valve, a pressure gauge and an automatic starting device, wherein the safety valve and the pressure gauge are connected with the manifold box so as to ensure the safe and reliable operation of the system, the automatic starting device is connected with the pressure limiting valve and the air compressor, the pressure limiting valve is connected with the air storage cylinder in parallel, and the automatic starting device controls the air compressor to work or not according to the pressure and controls the pressure limiting valve to adjust the pressure value according to the requirement.
The power supply device comprises a generator set and a power supply controller, wherein the generator set is connected to the power supply controller, the power supply controller is connected to the air supply system and the hoisting suspension system, and the power supply provided by the generator set is subjected to voltage conversion and then is supplied to the air supply system and the hoisting suspension system.
The hoisting suspension device comprises a stand column, a suspension arm, a cross beam, an air gun support and an electric lifting mechanism, wherein the stand column is fixed on a ship deck and bears all weight and impact force generated by vibration of the hoisting suspension device; one end of the suspension arm is connected with the upright post, the other end of the suspension arm is hung on the electric lifting mechanism, and the cross beam is hung at the lower end of the electric lifting mechanism to lift as required; the air gun support is hung at the lower end of the beam, a multi-rod air gun in the seismic source system is hung below the air gun support, and the upper end of the air gun support is connected with the beam, so that the multi-rod air gun can ascend and descend up and down along with the beam.
The seismic source system comprises a multi-rod air gun, wherein the multi-rod air gun is respectively connected with the air gun control part and the high-pressure air supply system, and high-pressure air transmitted by the high-pressure air supply system is rapidly sprayed into water under the control of the air gun control part to form high-pressure bubbles so as to complete expansion and contraction vibration.
The air gun control part comprises an instrument recorder, an air gun sub-controller, an air gun main controller, a controller box and a depth sensor, wherein the instrument recorder is connected to the air gun sub-controller, a gun starting signal stored in the instrument recorder is transmitted to the air gun sub-controller, the air gun sub-controller transmits the gun starting signal to the air gun main controller in a wireless data transmission mode, the depth sensor is connected to the air gun main controller, acquires water depth data of different gun points and transmits the water depth data to the air gun main controller, the air gun main controller is connected to the controller box, the gun starting signal is transmitted to the controller box according to a navigation position signal and a specified position pile number range, the controller box is connected to a multi-rod air gun in the seismic source system, and the starting of the multi-rod air gun is controlled according to the gun starting signal.
The detachable small air gun seismic source system further comprises a power driving part, wherein the power driving part comprises 2 outboard motors and provides power support for the detachable small air gun seismic source system.
The detachable small-sized air gun seismic source system also comprises an auxiliary part, wherein the auxiliary part comprises auxiliary equipment such as shipborne fire fighting equipment, lifesaving equipment, a cable, an anchor, illuminating equipment, a depth finder and a damping device.
The ship body bearing part adopts a catamaran shape, is manufactured in sections, comprises two sets of sheet bodies and a set of middle connecting platform.
The utility model provides a detachable small-size air gun seismic source system, relate to the high-pressure air and release the method that the high-pressure air produced the vibration at specific locating position through the air gun, detachable small-size air gun seismic source system hull bears the weight of the part design for the appearance of catamaran, and sectional manufacturing, field assembly guarantee to dismantle at any time and satisfy the long-distance transport in various places in China; and taking out the single shot record, and comparing the single shot record with the previous seismic source data by example, wherein the effect generated by releasing energy is obviously different, and the energy generated by the air gun is obviously higher than the energy generated by electric sparks. The data effect is also very obvious. The utility model provides a detachable small-size air gun seismic source system can't use special areas such as reservoir, lake of explosive seismic source in geophysical exploration land construction, can carry out effectual excitation on the shot point position of design according to the designing requirement to the efficiency of construction is high.
Drawings
Fig. 1 is a structural diagram of an embodiment of the present invention, which is a detachable small air gun seismic source system.
Detailed Description
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
As shown in fig. 1, fig. 1 is a structural diagram of a detachable small air gun seismic source system according to the present invention. The detachable small-sized air gun seismic source system consists of a high-pressure air supply system, an electric power supply device, a hoisting suspension system, a seismic source system, a ship body bearing part, a power driving part, an air gun control part and an auxiliary part.
The high-pressure air supply system comprises an air compressor 03, a pressure limiting valve 05, a safety valve 09, an air storage cylinder 04, a separator 07 (water and air), a high-pressure pipeline 11, a manifold box 08, a pressure gauge 10, an automatic starting device 06 and the like; the main functions of the air gun are that the air compressor 03 is driven by electric power to provide high-pressure air, the pressure limiting valve 05 controls output flow, and the air storage cylinder 04 stores the high-pressure air, and the high-pressure air enters the manifold box 08 through a high-pressure pipeline to be distributed to each air gun pipeline.
In one embodiment, the air compressor 03 is connected to the power supply device, and provides high-pressure air under the driving of the power supply device, and the high-pressure air is delivered to the air storage cylinder 04, and the air in the air storage cylinder 04 enters the manifold box 08 through the separator 07 (water and air) to be distributed according to the number of the air guns. Meanwhile, the pressure limiting valve 05 and the air storage cylinder 04 are connected in parallel, the pressure value is adjusted according to the requirement, and the automatic starting device 06 controls whether the air compressor works or not according to the pressure. The manifold box 08 is provided with a safety valve 09 and a high-pressure instrument 10, and high-pressure gas enters each air gun air chamber through a high-pressure air pipe 11 to finish the conveying work of the high-pressure gas.
The power supply device mainly comprises a generator set 01, a power controller 02, a power output circuit and the like, can provide 380-volt high-voltage power, and ensures that an air compressor, a marine water pump, an instrument and an electric lifting device work normally.
The hoisting suspension device 3 comprises a stand column, a suspension arm 13, a cross beam 14, an air gun support 15, an electric lifting mechanism 12, a slide rail, a lifting lug, a suspension chain, a safety chain, a lifting ring and the like, and is mainly used for enabling the cross beam 14 to reach an appointed position through the slide rail on the suspension arm, and enabling the electric lifting mechanism 12 to perform lifting operation to complete driving of the air gun support 15 to reach the designed depth of a sinking gun.
In one embodiment, the electric lift mechanism 12 is first operated using 220 volts; the suspension arm 13 is connected with the cross beam 14 through a steel wire rope, an electric lifting motor and other combined accessories, the gun sinking depth is controlled to be different from 2 meters to 3 meters according to experimental data, the air gun 16 is fixedly connected with the air gun support 15 according to different numerical values, and gun sinking and recovery operations of the air gun 16 are completed;
the seismic source system comprises a multi-rod air gun 16, high-pressure pipelines output from a high-pressure manifold, an electromagnetic valve, a safety valve, a pipeline joint, signal lines output from a gun control box body and the like; the main function of the device is that high-pressure air enters an air chamber through a high-pressure pipeline, a cannon starting signal 23 is output through a signal line, an electromagnetic valve is opened, a reciprocating valve slides at a high speed, and the high-pressure air is rapidly sprayed into water to form high-pressure bubbles to complete expansion and contraction vibration.
The ship body bearing part comprises 2 same floating bodies, a middle linker, a separation cabin, a hoisting point, a linking point, a connecting disc and the like; the device is mainly used for bearing the weight of each device, has the draught of not more than 0.5m, and can finish the tasks of domestic long-distance vehicle transportation, arrival at a specified place and field hoisting operation.
The power driving part comprises 2 outboard motors, a hydraulic control system, a fuel supply system, an outboard motor suspension device, a gear operating part and a transmission lacing wire; the main function of the device is to realize 5 navigation speeds for normal navigation, 2-4 navigation speeds for working navigation, small turning distance and good controllability, and meet the requirement of inland water area air gun operation mode.
The boats and ships of engineering construction mainly are the configuration of shipborne equipment, and the engine of propulsive power often is secondary, generally uses built-in engine to drive output shaft and links the screw operation, nevertheless the utility model discloses a turning radius is required to be as little as possible in surface of water work for detachable small-size air gun source ship, and is not very high special equipment to the speed of a ship requirement, and traditional propulsion mode has failed to satisfy the needs of engineering construction, so selects the outboard motor as propulsive power, satisfies the operation requirement of engineering construction.
The air gun control part comprises a main controller, a box body, a power supply protector, navigation equipment, a radio station and other electronic equipment; the main function is to realize the butt joint of the instrument and a seismic source, the seismic source system is excited according to the designed point position, and the signal transmission is synchronous with the instrument.
The navigation position signal 24 refers to a GPS position signal which can also be understood as a position signal of the seismic source released energy; the wireless signal 21 refers to a secondary control unit 19, receives the excitation signal sent by the instrument record 20, and transmits the excitation signal to the main control unit 18 through radio station wireless transmission 21 to complete the reciprocating transmission function of the signal;
the instrument record 20 is connected with an air gun controller (auxiliary control) 19 to complete the transmission process of an excitation signal, the auxiliary control and air gun controller (main control) 18 carries out wireless butt joint to realize the transmission of a remote shot starting signal and the butt joint function of an initial signal, a depth sensor 25 carries out water depth data collection work of different shot points, the position of the shot points is set according to construction design, and navigation is carried out according to a navigation position signal 24 (shot point pile number) and a shot starting signal 23 is conveyed to a control box body 22 according to the range of the pile number of a specified position.
The depth sensor 25 collects water depth data of different shot points to prepare for future seismic data processing, and the propagation speeds of seismic waves in various media such as water and rocks are different, so that the collection of original data is required, and the quality of later-stage data is ensured.
The auxiliary part 8 comprises auxiliary equipment such as shipborne fire fighting equipment, lifesaving equipment, mooring ropes, anchors, lighting equipment, a depth finder, a damping device and the like; the ship navigation device has the main effects of meeting the ship navigation requirements, achieving the production capacity within 24 hours in the construction, and ensuring that ship-borne equipment can bear the impact force of vibration in the construction.
When the device is used, the device arrives at a construction site through land transportation, the ship body bearing part is connected and assembled on site, the power supply device drives the high-pressure air supply system to generate high-pressure gas with specific pressure, an operator controls the seismic source system to instantly release the high-pressure gas through the control part according to specific time and sequence, and the power drive part accurately drives into each specified excitation position according to coordinates to sequentially complete the excitation tasks of all measured shot points.
The ship body is designed to be in a catamaran shape and manufactured in sections, two sets of 10m multiplied by 2m multiplied by 0.9m (length multiplied by width multiplied by height) sheet bodies and one set of 10m multiplied by 0.5m middle connecting platform are arranged. The total length of the ship is 10 meters, the width of the ship is 4.5 meters, the weight of the ship is 9 tons, the width of a ship body is 2 meters, the depth of a model is 0.9 meter, the draft is 0.4 meter, the navigational speed is 5 sections, and the design size of the ship body is reasonably designed according to the mass, the shape size and the energy generated by a seismic source in work. According to different use areas, the external dimension of the device is as small as possible in principle, so that the device is convenient to transport and assemble on site, and meanwhile, the cost is saved in use, but all use conditions and safety application requirements must be met;
designing and manufacturing an air gun support, a cross beam and a hanging system; the bearing part of the ship body is made into a split type, so that long-distance transportation is met; parts such as an air compressor, a generator, a high-pressure gas cylinder, a high-pressure pipeline and the like are selected, arranged and installed according to the size of a deck, so that the production requirement is met. The overwater operation tasks of two projects of an east exploration area and a west exploration area are completed, and good data acquisition and economic benefits are obtained.
In one embodiment, when the detachable small-sized air gun seismic source system of the utility model operates, the generator set 01 operates, the base is provided with the damping device to prevent the damage of the equipment caused by vibration, and the stable power is transmitted and distributed through the power controller 02; the upright column bears all the mass of the hoisting suspension device, the hoisting arm 13 is connected with the cross beam 14 through a steel wire rope, an electric lifting motor, a lifting lug, a hoisting chain, a lifting ring and other combined accessories, meanwhile, a safety chain is arranged to prevent hoisting equipment from being damaged, operation is carried out according to experimental data during work to control the depth of a gun to be sunk to be 2-3 meters and different, the air gun is fixedly linked by using an air gun bracket 15 according to different numerical values, and gun sinking and recovery operation of the air gun are completed; the air compressor 03 provides high-pressure air under the driving of the generator, the high-pressure air is conveyed to the high-pressure air bottle 04, and the air in the high-pressure air bottle enters the manifold box 08 through the separator (water and air) 07 to be distributed according to the number of the air guns. Meanwhile, the pressure limiting valve 05 and the air storage cylinder are connected in parallel, the pressure value is adjusted according to the requirement, and the automatic starting device 06 controls whether the air compressor works or not according to the pressure. The manifold box is provided with a safety valve 09 and a high-pressure instrument 10, and high-pressure gas enters each air gun air chamber through a high-pressure pipeline 11 to finish the conveying work of the high-pressure gas; the instrument record 20 is connected with an air gun controller (secondary control) 19 to complete the transmission process of an excitation signal, the secondary control is wirelessly connected with the air gun controller (main control) 18 to realize the transmission of a remote shot-starting signal and the connection function of an initial signal, a depth sensor 25 is used for collecting water depth data of different shot points, the setting is carried out according to the construction design shot point position, a navigation device (shot point pile number) 24 is used for transmitting a shot-starting signal 23 to a control box body 22 according to the pile number range of a specified position, the signal is distributed to each air gun electromagnetic valve through the control box body 22, electric energy is converted into mechanical energy, a valve shuttle in the gun body moves at a high speed and loses balance, the valve shuttle moves upwards at a high speed, when the valve shuttle slides through an exhaust hole, high-pressure gas in a lower air chamber is rapidly sprayed into water to form high-pressure bubbles, and the bubbles generate expansion and contraction vibration (bubble effect), creating an outwardly propagating pressure wave.
Claims (10)
1. A detachable small-sized air gun seismic source system is characterized by comprising a high-pressure air supply system, an electric power supply device, a hoisting suspension system, a seismic source system, an air gun control part and a ship body bearing part, the power supply device is connected with the air supply system and the hoisting suspension system to provide electric support for the air supply system and the hoisting suspension system, the high-pressure air supply system is connected with the seismic source system and used for supplying high-pressure air to the seismic source system, the hoisting suspension system is connected with the seismic source system, the seismic source system is sunk to the designed depth, the seismic source system is connected with the air gun control part, under the control of the air gun control part, high-pressure air is rapidly sprayed into water to form high-pressure bubbles to complete expansion and contraction vibration, the air supply system, the power supply device, the lifting suspension system, the seismic source system and the air gun control part are all positioned on the ship body bearing part.
2. The system of claim 1, wherein the high pressure air supply system comprises an air compressor, an air reservoir, a separator and a manifold box, the air compressor is connected to the power system and is driven by the power system to provide high pressure air, the air reservoir is connected to the air compressor to store the high pressure air, the separator is connected to the air reservoir, the high pressure air in the air reservoir is separated into water and high pressure gas by the separator, the manifold box is connected to the separator, and the high pressure gas output by the separator is transmitted to the seismic source system through the manifold box.
3. The removable small air gun seismic source system according to claim 2, wherein the high pressure air supply system further comprises a pressure limiting valve, a safety valve, a pressure gauge and an automatic starting device, the safety valve and the pressure gauge are connected to the manifold box to ensure safe and reliable operation of the system, the automatic starting device is connected to the pressure limiting valve and the air compressor, the pressure limiting valve is connected in parallel to the air storage cylinder, and the automatic starting device controls the air compressor to work according to the pressure and controls the pressure limiting valve to adjust the pressure value according to the requirement.
4. The removable small air gun seismic source system according to claim 1, wherein the power supply device comprises a generator set and a power supply controller, the generator set is connected to the power supply controller, the power supply controller is connected to the air supply system and the suspension system, and the power supply provided by the generator set is subjected to voltage conversion and then is supplied to the air supply system and the suspension system.
5. The detachable small air gun seismic source system according to claim 1, wherein the lifting suspension device comprises a column, a suspension arm, a beam, an air gun support and an electric lifting mechanism, the column is fixed on a ship deck and bears all the weight and impact force generated by vibration of the lifting suspension device; one end of the suspension arm is connected with the upright post, the other end of the suspension arm is hung on the electric lifting mechanism, and the cross beam is hung at the lower end of the electric lifting mechanism to lift as required; the air gun support is hung at the lower end of the beam, a multi-rod air gun in the seismic source system is hung below the air gun support, and the upper end of the air gun support is connected with the beam, so that the multi-rod air gun can ascend and descend up and down along with the beam.
6. The detachable small air gun seismic source system according to claim 1, wherein the seismic source system comprises a multi-rod air gun, the multi-rod air gun is respectively connected to the air gun control part and the high-pressure air supply system, and high-pressure air transmitted from the high-pressure air supply system is rapidly sprayed into water to form high-pressure bubbles under the control of the air gun control part, so that expansion and contraction vibration is completed.
7. The detachable small air gun seismic source system according to claim 1, wherein the air gun control part comprises an instrument recorder, an air gun sub-controller, an air gun main controller, a controller box and a depth sensor, the instrument recorder is connected to the air gun sub-controller and transmits a stored firing signal to the air gun sub-controller, the air gun sub-controller transmits the firing signal to the air gun main controller through a wireless data transmission manner, the depth sensor is connected to the air gun main controller and collects water depth data of different shot points and transmits the water depth data to the air gun main controller, the air gun controller is connected to the controller box and transmits the firing signal to the controller box according to a specified position pile number range according to a navigation position signal, the controller box is connected to a multi-rod air gun in the seismic source system, and controlling the starting of the multi-rod air gun according to the cannon starting signal.
8. The removable small air gun seismic source system according to claim 1, further comprising a power driving part comprising 2 outboard engines for providing power support for the removable small air gun seismic source system.
9. The detachable small air gun source system according to claim 1, further comprising auxiliary parts including auxiliary equipment such as onboard fire fighting equipment, life saving equipment, cables, anchors, lighting equipment, depth sounders, and shock absorbers.
10. The detachable small air gun seismic source system according to claim 1, wherein the hull carrying part is made in a catamaran shape, and is made in segments, two sets of sheets, and one set of intermediate connecting platforms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022716671.1U CN213633854U (en) | 2020-11-20 | 2020-11-20 | Detachable small-size air gun seismic source system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022716671.1U CN213633854U (en) | 2020-11-20 | 2020-11-20 | Detachable small-size air gun seismic source system |
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| Publication Number | Publication Date |
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| CN213633854U true CN213633854U (en) | 2021-07-06 |
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| CN202022716671.1U Active CN213633854U (en) | 2020-11-20 | 2020-11-20 | Detachable small-size air gun seismic source system |
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