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Rock core sampling device for directional branch drilling

A technology of core sampling and directional branching, which is applied in the direction of extraction of undisturbed cores, earthwork drilling, etc., can solve the problems of slow drilling process, unsuitable depth sampling, easy falling off of core pipes, etc., and achieves novel structure, It is not easy to be stuck, and the impact and crushing range is small.

Pending Publication Date: 2022-06-07
SHAANXI TAIHE TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, in the directional drilling process, due to the deep drilling depth of the drill pipe, the drilling penetration process is relatively slow, and often accompanied by various working conditions such as drill sticking, the connected core tube is also easy to fall off, and the sampling period is long. For X-ray diffraction analysis technology, there is no need for a complete core, so it is not suitable for deep sampling

Method used

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  • Rock core sampling device for directional branch drilling
  • Rock core sampling device for directional branch drilling
  • Rock core sampling device for directional branch drilling

Examples

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Embodiment 1

[0042] like Figures 1 to 4 As shown, the present embodiment provides a core sampling device for directional branch drilling, including a mobile workbench 1 arranged on the drilling hole, and a hydroelectric impact crushing unit and a sample recovery unit are arranged on the mobile workbench 1, The hydraulic-electric impact crushing unit includes a cable release assembly set on the mobile workbench 1, and the cable release assembly includes a motor-driven pay-off wheel 2 set on the mobile workbench 1. The pay-off wheel 2 is provided with cables 3 side by side. and the conveying hose 4, the mobile workbench 1 is provided with a drilling temporary blocking unit that accompanies the cable 3 to descend, and the mobile workbench 1 is provided with a charging optoelectronic component connected to the cable 3, and the end of the cable 3 is provided with Discharge electrodes 5 are provided. The drilling temporary plugging unit includes an inflation airbag 6 arranged at the lower end ...

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Abstract

The invention discloses a rock core sampling device for directional branch drilling, and relates to the technical field of drilling, the rock core sampling device comprises a mobile workbench, the mobile workbench is provided with a liquid electric impact crushing unit and a sample recovery unit, the liquid electric impact crushing unit comprises a cable laying assembly, and the cable laying assembly comprises a cable laying wheel; a cable and a conveying rubber pipe are wound on the pay-off wheel side by side, a temporary drilling plugging unit is arranged on the movable workbench, an energy charging photoelectric assembly is arranged on the movable workbench, a discharge electrode is arranged at the end of the cable, and the cable and the conveying rubber pipe extend into a directional drilling hole together. Voltage is increased and energy is stored through the energy charging photoelectric assembly, when the specified voltage is reached, the voltage is conveyed to the discharge electrode to be released, the discharge electrode instantaneously discharges to generate a discharge arc channel, large electric energy input and electric channel gathering expansion are achieved, shock waves are formed to break the rock core, and the whole impact process is short in time, rapid in fading and small in influence range.

Description

technical field [0001] The invention relates to the technical field of drilling. Background technique [0002] Controlled directional drilling technology can provide accurate geological data, save drilling site space and drilling workload, and speed up geological exploration, so it has been widely popularized and applied. With the progress of science and technology, the introduction of microcomputer and navigation technology; small-diameter hole bottom power machine (screw drill), measurement while drilling system, etc. have reached a practical level; surface equipment has been perfected, and has reached an all-round "controlled" level "The high level of directional drilling, especially the popularity of lateral horizontal drilling worldwide, also indicates that directional drilling technology has entered an advanced stage. [0003] Main functions of directional drill pipe Directional drill pipe is an important part of directional drilling equipment, and it is a component t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B25/00E21B25/16
CPCE21B25/00E21B25/16Y02P70/10
Inventor 吕伟伟翁齐余飞陈晨白进辉陈斌张坚
Owner SHAANXI TAIHE TECH CO LTD
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