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Seismic Sensor Device

A sensor device, seismic sensor technology, applied in seismic signal receivers, seismology, measuring devices, etc., can solve problems such as not working well, not considering horizontal component data Love waves, etc.

Inactive Publication Date: 2017-06-09
GECO TECH BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the polarization filtering technique does not work well in regions with complex near-surfaces because it does not account for the scattered Love waves present on the horizontal component data

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] figure 1 A first embodiment of the sensor device is shown in .

[0037] The sensor device 100 comprises a housing 101 which is a small closed box. The housing 101 is filled with a fluid, for example, oil. Fluids are marked as fluids in the figures. The housing may be constructed of, for example, metal or plastic.

[0038] The sensor arrangement 100 includes a geophone array 102 and a hydrophone array 103 .

[0039]The geophone array 102 includes a first geophone 104 , a second geophone 105 and a third geophone 106 . The first geophone 104 and the second geophone 105 are arranged in a horizontal plane. The first geophone 104 is oriented in the x direction, which is perpendicular to the y direction, and the second geophone 105 is oriented in the y direction. A third geophone is oriented in the z direction, the third geophone being perpendicular to the first and second geophones. The first geophone 104, the second geophone 105, and the third geophone 106 may be refe...

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PUM

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Abstract

The present invention discloses a sensor device (100) suitable for installation at a land-air interface. The sensor device (100) comprises a housing (101) filled with a fluid and a sensor arrangement (102, 103) supported within the housing (101) and directly coupled to a fluid to detect move. The invention also discloses a seismic sensor device comprising a sensor device (100) installed at the land-air interface, wherein the sensor device comprises a housing (101) filled with fluid and a sensor arrangement unit (102 , 103), the sensor arrangement is supported within the housing (101) and is directly coupled to the fluid to detect movement of the fluid.

Description

technical field [0001] The invention relates to sensor devices. Background technique [0002] Seismic data is typically acquired during a survey using detector arrays. In the case of offshore exploration, hydrophones measure pressure fluctuations in the water due to the introduction of seismic waves. Geophones measure vectors such as displacement, velocity, or acceleration. In the case of offshore surveys, a plurality of cables or streamers, usually spaced about 100 meters apart, are towed behind the ship. Each cable has detectors spaced a distance along the cable. In the case of land surveying, the array of geophones is arranged in an approximate grid structure on the ground with geophones. A detector array detects seismic signals reflected from signals from a seismic source (eg, an air gun for marine surveys). In ocean bottom (OBC or OBS) acquisitions, the detector array is fixed on the sea floor. In this case, the source could be an air gun mounted on the ship. [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/18
CPCG01V1/184G01V1/189G01V1/18G01V1/181G01V1/186G01V1/40
Inventor 埃弗哈德·约翰·姆泽尔特詹姆斯·爱德华·马丁
Owner GECO TECH BV