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Tidal and extremely-shallow water weight seismic source

A technology of extremely shallow water and heavy hammer, applied in the direction of seismology, seismology, and measuring devices for areas covered by water, which can solve the restrictions or prohibitions on the use of explosives, the inapplicability of devices, and the lack of reports on excitation equipment, etc. problems, to achieve the effect of environmental protection and high operational reliability

Inactive Publication Date: 2013-01-16
BC P INC CHINA NAT PETROLEUM CORP +1
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AI Technical Summary

Problems solved by technology

[0002] At present, air gun boats are widely used as seismic excitation devices in offshore seismic exploration operations at home and abroad, and vibrators and well gun explosives are used as seismic excitation devices on land, but in the transition zone area between sea and land with a water depth of 0-1.5 meters Seismic excitation, neither land seismic sources nor sea air guns can be used
The use of explosives is also severely restricted or banned in many areas
[0003] Chinese patent ZL200610112522.6 discloses a mud gun seismic source used in areas with a water depth of 0-1.5m and soft ground such as silt swamps. However, this device is not suitable for hard ground such as sandy beaches or coral reefs. Equipment not reported

Method used

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  • Tidal and extremely-shallow water weight seismic source
  • Tidal and extremely-shallow water weight seismic source
  • Tidal and extremely-shallow water weight seismic source

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] as attached figure 1 , 2 As shown, the present invention includes two main assemblies of a floating box chain track swamp vehicle 1 and a heavy hammer seismic source 2, and the floating box chain track swamp vehicle 1 includes a floating box 3, an engine and a hydraulic pump assembly 4, a hydraulic travel motor 5, a drive Shaft 6, chain rail chain drive system 7, driver's cab 8, hydraulic oil tank and fuel tank assembly 9, ballast water supply and drainage pump 10 for pontoon tank, ballast water tank 11, etc.

[0021] Heavy hammer source 2 includes heavy hammer 12, heavy hammer lifting cylinder 13, heavy hammer compression cylinder 14, high-pressure nitrogen gas storage cylinder 15, heavy hammer vibration source outer frame 16, heavy hammer plate lifting cylinder 17, impact plate 18, heavy hammer waterproof apron 19 etc.

[0022] The left and right pontoons...

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Abstract

The invention relates to a tidal and extremely-shallow water weight seismic source which is applicable to geophysical prospecting operation for petroleum. The tidal and extremely-shallow water weight seismic source comprises a buoyancy tank caterpillar swamp buggy and a weight seismic source, wherein the weight seismic source is arranged in the middle of the buoyancy tank caterpillar swamp buggy. A buoyancy tank caterpillar swamp buggy carrying chassis technology and a weight seismic source technology are integrated, the problem about seismic prospecting operation seismic source of a transitional zone with water depth of 0 to 1.5 m between the land and the sea is effectively solved, and the tidal and extremely-shallow water weight seismic source is high in operation reliability and facilitates environment protection of an operation region.

Description

technical field [0001] The invention relates to a beach and extremely shallow water weight hammer seismic source used in petroleum geophysical exploration operations, in particular to a beach and extremely shallow water weight hammer seismic source. Background technique [0002] At present, air gun boats are widely used as seismic excitation devices in offshore seismic exploration operations at home and abroad, and vibrators and well gun explosives are used as seismic excitation devices on land, but in the transition zone area between sea and land with a water depth of 0-1.5 meters Seismic excitation, land seismic sources, and sea air guns cannot be used. The use of explosives is also severely restricted or banned in many areas. [0003] Chinese patent ZL200610112522.6 discloses a mud gun seismic source used in areas with a water depth of 0-1.5m and soft ground such as silt swamps. However, this device is not suitable for hard ground such as sandy beaches or coral reefs. E...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/147G01V1/38
Inventor 樊慧文赵志勋
Owner BC P INC CHINA NAT PETROLEUM CORP
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