Tri-component magnetic survey system in borehole

A three-component magnetic and control system technology, which is applied in radio wave measurement systems, electric/magnetic detection and measurement devices for well logging records, etc., can solve the problems of weak data processing ability and poor versatility, and achieve detection accuracy High, large detection depth, simple and fast operation

Inactive Publication Date: 2011-09-14
KUNMING PROSPECTING DESIGN INST OF CHINA NONFERROUS METALS IND
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Problems solved by technology

The existing three-component magnetic measurement software at home and abroad is poor in versatility (only developed...

Method used

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  • Tri-component magnetic survey system in borehole
  • Tri-component magnetic survey system in borehole
  • Tri-component magnetic survey system in borehole

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Embodiment Construction

[0039] In this embodiment, the KJJ-2000 type well is selected for the three-component magnetic survey in the well, and the purpose of prospecting and solving various geological problems is achieved by obtaining field data, using software to map, and data analysis and interpretation.

[0040] The three-component magnetic survey system in the KJJ-2000 type well of the present invention includes hardware and software: specifically as follows:

[0041] The hardware consists of the acquisition control system, the depth control system, and the probe system that is connected to the ground host of the acquisition control system and the winch of the depth control system through connections. Among them: the acquisition control system includes a laptop computer and a ground host, the depth control system includes a winch controller and a winch, and the probe system includes a probe tube, tail cone, adapter and cable.

[0042] The probe system and the ground host of the present invention ...

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Abstract

The invention relates to a tri-component magnetic survey system in borehole, belonging to a technical product in the field of tri-component magnetic survey in borehole. The hardware system of the invention comprising the purchased devices is subjected to system debugging and is therefore improved in performance. The software consists of a data reading module, a data calculation module, a data graphing module, a result deducing module and an image module compiled by a development platform Visual Basic 6.0. By processing, graphing, analyzing and explaining the data collected during the drilling process, the system can find ores and solve various geological problems, thereby increasing the ore finding ratio of drilling and reducing the engineering cost of drilling. The system has the advantages of high stability, deep investigation depth, high investigation precision and high-speed efficient real-time data processing, and is not only fit for finding strongly magnetic minerals but also for finding more weakly magnetic minerals or other minerals symbiotic to weakly magnetic minerals.

Description

Technical field: [0001] The invention relates to a three-component magnetic survey system in a well, belonging to the technical field of three-component magnetic survey in a well. Background technique: [0002] The three-component magnetic survey technology in the well refers to the detection of the magnetic field at different depths in the borehole by using the magnetic difference of the rock (ore) body, and analyzes and explains the abnormality according to the abnormal distribution characteristics of the magnetic field, so as to achieve ore prospecting and solve various problems. The purpose of geological problems. This technology is widely used in the exploration of strong magnetic ore bodies, and is also suitable for finding other ore bodies with weak magnetic properties or symbiotic with weak magnetic ore bodies. [0003] The conversion mean square error of the existing three-component magnetic survey system in the well is mostly relatively large, generally within ±50...

Claims

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Application Information

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IPC IPC(8): G01V3/40G01V3/26
Inventor 刘慧鹏王文科邹国富王芳吴万红罗书斌李志文李福林松羊劲松夏清阳罗辉才刘文连张晓玲
Owner KUNMING PROSPECTING DESIGN INST OF CHINA NONFERROUS METALS IND
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