Petroleum sampling device suitable for petroleum geological exploration

A technology for geological exploration and sampling device, applied in the direction of sampling device, etc., can solve the problems of low sampling efficiency and difficult to take out the drill pipe, and achieve the effects of high adoption efficiency, convenient drilling and flexible structure

Active Publication Date: 2021-01-22
XI'AN PETROLEUM UNIVERSITY
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  • Abstract
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  • Application Information

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Problems solved by technology

In this selection method, when the drill pipe is taken out, the drill pipe is squeezed by the surrounding geological formations, making it difficult to take out the drill pipe
At the same time, the existing oil sampling devi

Method used

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  • Petroleum sampling device suitable for petroleum geological exploration
  • Petroleum sampling device suitable for petroleum geological exploration
  • Petroleum sampling device suitable for petroleum geological exploration

Examples

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[0029]Example 1

[0030]The invention provides a petroleum sampling device suitable for petroleum geological exploration, specifically asFigure 1 to Figure 5As shown, it includes a transition joint 1, an expansion unit, a sampling unit and a drill bit 2 connected in sequence;

[0031]The transition joint 1 is connected to the end of the drill pipe. The drill pipe is a device used in the existing petroleum sampling process. In this application, a suitable drill pipe and drilling drive device are selected and the transition joint 1 is installed at the end of the drill pipe. Sampling work. Specifically, the expansion unit includes a top board 3, a bottom board 4, an angle drive module 5, a plurality of angle adjustment modules 6 and an expansion board 7. The top board 3 is connected to the transition joint 1 through a plurality of first connecting rods 8, and one end of the angle adjustment module 6 is connected to The top plate 3 is hinged, and the other end is connected with the angle driv...

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Abstract

The invention provides a petroleum sampling device suitable for petroleum geological exploration, and belongs to the field of petroleum exploration sampling equipment, a transition joint is connectedwith the end part of a drill rod, a top plate of an expansion unit is connected with the transition joint through a plurality of first connecting rods, one end of each angle adjusting module is hingedwith the top plate, and the other end is connected with an angle driving module; the angle driving module is arranged between the top plate and the bottom plate and drives the angle adjusting modulesto change angles, and each angle adjusting module is externally connected with one expansion plate; each sampling module of a sampling unit comprises a protective plate, a sampling structure and an air cylinder, a plurality of through holes matched with the air cylinders and the protective plates are formed in the outer sleeve in the axial direction, a supporting column is arranged in the middleof the outer sleeve, each air cylinder is fixed to the supporting column, and the end of each air cylinder penetrates through one through hole and is connected with one protective plate. The samplingstructure is arranged on the inner wall of the protective plate and penetrates through the end part of the air cylinder. The device is convenient to drill, samples at different height points can be collected at a time, and the collection efficiency is high.

Description

technical field [0001] The invention belongs to the field of petroleum exploration sampling equipment, and in particular relates to a petroleum sampling device suitable for petroleum geological exploration. Background technique [0002] Petroleum, one of the main objects of geological exploration, is a viscous, dark brown liquid known as the "blood of industry". There are oil reserves in parts of the upper crust. The main component is a mixture of various alkanes, naphthenes and aromatic hydrocarbons. The oil-forming mechanism of petroleum has two theories of biosedimentary oil and petrochemical oil. The former is more widely accepted. It is believed that oil is formed by organisms in ancient oceans or lakes after a long evolution. It belongs to biosedimentary oil and is non-renewable. It is believed that petroleum is generated from the carbon in the earth's crust itself, has nothing to do with biology, and is renewable. Petroleum is mainly used as fuel oil and gasoline, ...

Claims

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Application Information

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IPC IPC(8): G01N1/14
CPCG01N1/14
Inventor 李爱荣尹帅袁珍强倩欧明轩
Owner XI'AN PETROLEUM UNIVERSITY
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