Four-subarray collecting and releasing system for geological exploration air gun source

An air gun source, geological exploration technology, applied in the direction of ships, load handling devices, ship accessories, etc., can solve problems such as hidden safety hazards, hinder access and exit, and achieve the effects of eliminating hidden safety hazards, expanding volume, and reducing equipment purchase costs.

Active Publication Date: 2014-10-29
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another one, because the gun cable reel is very close to the main deck cabin, it is blocked at the door and hinders entry and exit. Since it is a high-pressure gas system, there are still serious safety hazards

Method used

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  • Four-subarray collecting and releasing system for geological exploration air gun source
  • Four-subarray collecting and releasing system for geological exploration air gun source

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: as figure 1 , figure 2 As shown, a geological exploration air gun seismic source four sub-array retractable system, the fairlead 1 is fixed at the stern end of the ship below the forecastle deck, and the fairlead 1 is connected with the cable fixing bracket 2 fixed under the forecastle deck;

[0018] Below the forecastle deck, the bow end is fixed with an auxiliary take-up winch 3 and a traction winch 4, and the distance between them and the fairlead 1 is 24 meters.

Embodiment 2

[0019] Embodiment 2: as figure 1 , figure 2 Shown, a kind of geological exploration air gun seismic source four-sub-array retractable system, the geological exploration air gun seismic source four-sub-array retractable system, the purpose of the present invention is to also be able to realize the retractable gun cable after canceling the gun cable reel car, solve Because the gun cable reel takes up a lot of space, it is impossible to install multiple sub-arrays on the small and medium-sized air gun source ship.

[0020] An auxiliary cable winch 3 is installed under the forecastle deck above the main deck; a cable fixing bracket 2 is installed from the auxiliary cable winch below the forecastle deck to the stern, and a cable channel 1 is installed at the stern end of the cable fixing bracket; the traction winch is installed Under the forecastle deck; install array retractable slide rails under the forecastle deck;

[0021] The fairlead 1 is fixed at the stern end of the ship...

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Abstract

A four-subarray collecting and releasing system for a geological exploration air gun source belongs to the technical field of marine geological exploration. An auxiliary cable collecting winch is arranged under a forecastle deck above a main deck, a cable fixing support is arranged from the auxiliary cable collecting winch under the forecastle deck to a stern, a cable guiding groove is formed in the stern end of the cable fixing support,, a traction winch is arranged under the forecastle deck, an array collecting and releasing slide rail is arranged under the forecastle deck, the cable guiding groove is fixed at the stern end under the forecastle deck, the cable guiding groove is connected with the cable fixing support under the forecastle deck, and the auxiliary cable collecting winch and the traction winch are fixed at the stem end under the forecastle deck. By means of the four-subarray collecting and releasing system, the air gun array collecting and releasing capacity of a Seal No. 7 air gun source ship is expanded to four arrays from two arrays, the volume of the air gun source arrays is improved, the suspension number of air guns is increased to 56 from 28, equipment accident points are reduced, and safety hazards are eliminated.

Description

technical field [0001] The invention relates to a four-sub-array retractable system of an air gun seismic source for geological exploration, which belongs to the technical field of marine geological exploration. Background technique [0002] Due to the limited deck space of the seal-type source ship, it is impossible to install a large-volume and multi-subarray retractable system according to the existing retractable technology. It needs a longer and wider ship than the seal-type airgun source ship to install this retractable system. [0003] According to the task requirements, the gun cable reel and (original) traction winch must be installed in the figure 1 with figure 2 In the position shown, when the (original) traction winch retracts the air gun array, the gun cable released from the stern during construction is retracted by the gun cable reel. from figure 1 lower half and figure 2 It can be seen that the installation positions of the gun cable reel and the auxili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B25/00
Inventor 李亚夫李海军韩桂合韩海涛王瑞星高斌徐红平刘原英于敬辉姚永歧张海峰
Owner BC P INC CHINA NAT PETROLEUM CORP
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