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A sea area gold mine exploration drilling method

A technology for gold mines and sea areas, applied in the field of drilling and positioning of seabed gold mines, to achieve the effects of large detection depth, high seabed positioning accuracy, and good ore prospecting effect

Active Publication Date: 2017-11-10
SHANDONG INST OF GEOPHYSICAL & GEOCHEM EXPLORATION
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of how to carry out precise drilling positioning and small-diameter drilling construction in sea areas, and to provide a positioning method for gold mine exploration and drilling in sea areas

Method used

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  • A sea area gold mine exploration drilling method
  • A sea area gold mine exploration drilling method
  • A sea area gold mine exploration drilling method

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Embodiment Construction

[0033] The solution of the present invention will be described in detail below in conjunction with the accompanying drawings and examples.

[0034] Such as figure 1 , the sea area gold prospecting drilling method provided by this example includes the following steps:

[0035] In the first step, the northern sea area of ​​Sanshan Island in Laizhou City was selected as a favorable mineralization area mainly according to the strike of the Sanshan Island fault and the spatial distribution of the Sanshan Island gold deposit;

[0036] The second step, such as figure 2 , designing the drilling location on the geological map of the seabed bedrock and the geological profile of the favorable metallogenic region selected in step 1, and obtaining the theoretical geographic coordinates of the drilling location;

[0037] The third step, such as image 3 , relying on the construction ship and the drilling platform, the installation and fixation of the drilling equipment and the precise p...

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Abstract

This patent provides a sea area gold prospecting and drilling method. According to the regional metallogenic law, select the part of the land main gold ore metallogenic belt extending to the sea area as the favorable metallogenic area; Design the drilling position on the map and the geological profile, and determine the theoretical geographic coordinates of the drilling position; the present invention combines geological methods, drilling positioning and construction, and realizes human-computer interaction, and the geological theory understanding is closely matched with the precise positioning of the instrument The sea area gold prospecting drilling method invented has the characteristics of high seabed positioning accuracy, drilling positioning error not exceeding 10cm, large detection depth, can detect 2000m depth, and good ore prospecting effect. By adopting the invention, a large gold mine is found in the northern sea area of ​​Sanshan Island, Laizhou City, Shandong Province, and a breakthrough in gold ore prospecting in the sea area of ​​my country is realized.

Description

technical field [0001] The invention relates to the technical field of seabed gold mine drilling and positioning, in particular to a drilling and positioning method for altered rock type gold mines in broken zones controlled by fractures in the sea area. Background technique [0002] With the rapid development of our country's social economy, land mineral resources have been consumed in large quantities, and it has become an inevitable choice to provide resource protection to obtain resources from the ocean. All countries in the world attach great importance to the exploration and development of marine mineral resources. At present, the exploration methods and technologies of marine oil and gas resources are very mature, and there have been many successful exploration cases of seabed placer, coal and other mineral resources. However, there is still a lack of feasible technical methods for the exploration of seabed gold mines and other precious metals and non-ferrous metal mi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V9/00G01C21/00E21B7/12E21B33/13
Inventor 宋明春丁正江张英传张军进孔玉柱
Owner SHANDONG INST OF GEOPHYSICAL & GEOCHEM EXPLORATION
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