High temperature and high pressure resistant packaging method for underground communication device of coiled tubing drilling machine
A technology of a communication device and a packaging method, applied in the direction of construction, etc., can solve problems such as affecting the normal operation of the underground communication system, increasing the hidden danger of drilling construction safety, limiting drilling efficiency, etc., and achieving the effects of low cost, good sealing performance, and improved accuracy.
Active Publication Date: 2012-11-28
SICHUAN HONGHUA ELECTRIC
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Problems solved by technology
[0005] The downhole communication system of drilling rigs based on optical fiber communication technology can solve the above problems. However, the downhole environment is harsh, and the existing downhole communication devices cannot be used normally i
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[0024] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the following.
[0025] The high temperature resistant and high pressure resistant packaging method of the downhole communication device of the coiled tube drilling rig includes the following features:
[0026] (1) Select high-temperature-resistant printed circuit boards, solder and circuit components to make underground communication circuit boards;
[0027] (2) Encapsulate the downhole communication circuit board in the pressure-resistant outer cylinder 7, which includes the following steps:
[0028] S1: Making the compressive outer cylinder 7, which includes the following steps:
[0029] S101: Use a forming mold to make a mounting cylinder 10 made of metal materials such as aluminum and copper;
[0030] S102: Use a forming mold to make a compression cylinder 8 of high-strength ...
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The invention discloses a high temperature and high pressure resistant packaging method for an underground communication device of a coiled tubing drilling machine, which is characterized by comprising the following steps of: making an underground communication circuit board by using a high temperature resistant printed board, high temperature resistant soldering tin and a high temperature resistant circuit element; packaging the underground communication circuit board into an outer pressure resistant cylinder; and providing a high temperature resistant connector assembly for the connection between the underground communication device and an optical cable. The high temperature and high pressure resistant packaging method for the underground communication device of the coiled tubing drilling machine has the beneficial effects that the underground communication device is packaged into the outer pressure resistant cylinder so that the high pressure resistance of the communication device is improved; the printed board, the soldering tin and the circuit element which can stably work in a high temperature environment are adopted so that the high temperature strength of the communication device is improved; a reliable informationized data basis is provided for the drilling construction, the drilling control precision and safety are improved, and the drilling control efficiency is increased; in addition, the high temperature and high pressure resistant packaging method for the underground communication device of the coiled tubing drilling machine has the characteristics of good sealing performance, simplicity in operation, low in cost and the like.
Description
technical field [0001] The invention relates to a high-temperature-resistant and high-pressure-resistant packaging method for an underground communication device of a coiled tubing drilling rig. Background technique [0002] In the field of oil exploitation, drilling is a complex project that will generate a large amount of information. Drilling informatization is a necessary condition to ensure the safety, quality and efficiency of drilling. The collection of drilling information can realize comprehensive evaluation of drilling operations and real-time drilling engineering control, which improves the precision and efficiency of drilling control and reduces drilling costs. [0003] At present, the methods for realizing downhole communication of coiled tubing drilling rigs include electromagnetic wave method, acoustic wave method and drilling fluid pulse method, etc. Electromagnetic wave data transmission is to transmit low-frequency signals from underground to surface. This...
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Inventor 张波严永良邓果
Owner SICHUAN HONGHUA ELECTRIC
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