Underground condition wireless monitoring device

Abstract

The invention belongs to the technical field of wireless monitoring, and relates to an underground condition wireless monitoring device. The major structure of the underground condition wireless monitoring device comprises two functional parts, namely monitoring units and a data processing terminal, wherein the monitoring units are in wireless communication with the data processing terminal; and each monitoring unit comprises an external thread, a lower protective sleeve, a middle short section, a first through hole, a second through hole, an upper protective sleeve, a centralizer, an internal thread, a sensor module, a circuit module, a battery module, a sealing cover, a lower instrument cylinder, an upper instrument cylinder, a groove, and a transmitting transducer and auxiliary circuit module which are interacted. The underground condition wireless monitoring device is applied to downhole condition monitoring during oil and natural gas drilling and production, downhole condition monitoring during coal mine drilling and production, pile hole monitoring during foundation construction of construction engineering piles, and underground condition monitoring during other long-distance operations utilizing drill stems or pipe columns; and the structure of the underground condition wireless monitoring device is simple, the principle is scientific and reasonable, the operability is strong, the use is environmentally friendly, the universality is strong, and the popularization and the use are easy.

Description

Technical field: [0001] The invention belongs to the technical field of wireless monitoring, and relates to a wireless monitoring device for underground conditions, which is applied to the monitoring of underground conditions in oil and natural gas drilling and production, the monitoring of underground conditions in coal mine drilling and production, and pile holes in construction of pile foundations in construction projects Monitoring and other monitoring of subsurface conditions in long-distance operations using drill pipe or pipe strings. Background technique: [0002] In oil and gas drilling and production, coal mine drilling and production, construction engineering pile foundation construction and other long-distance underground operations using drill pipes or pipe strings, in order to ensure the accuracy of underground wells, holes and pile positions, real-time control of wells, holes, and piles is required. Various parameters of holes and piles, the azimuth, inclinati...

AI Technical Summary

Problems solved by technology

In the prior art, there are mainly two types of downhole monitoring, wired and wireless. The wired way is to establish an optical cable or cable connection between the ground or the location of the construction personnel and the downhole pipe string to obtain the downhole working condition parameters; the wireless way includes There are three kinds of mud pulse, electromagnetic wave and acoustic wave. The instruments and equipment manufactured based on these three methods can realize the monitoring of downhole conditions. Information parameters at the installation positions of instruments and equipment. This single-point measurement cannot obtain the overall conditions along the entire well, hole and pile, and cannot guarantee the accuracy of production. Second, there is no identification mechanism for the installation positions of multiple instruments and equipment in the well. and mechanism, multiple instruments and equipment cannot be installed at the same time, and the overall situation along the entire well, hole and pile cannot be obtained; the third is that the existing instruments and equipment can only simply perform the measurement and signal transmission tasks formulated before going down the well , unable to receive instructions from construction workers in real time, and complete specified tasks according to the instructions, and does not have interactive capabilities; the wireless method that does not require optical cables and cables is more suitable for underground operations in harsh working environments

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