Well drilling device

A drilling and drill bit technology, which is applied in drilling equipment, drilling with vibration, and earth-moving drilling, etc., can solve the problems of shortened tool life, large single impact energy and impact force, erosion of jet elements, etc. The effect of speeding up and prolonging the service life

Active Publication Date: 2016-02-03
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

However, since the rotary impact is a mechanical impact, the single impact energy and impact force are large, which easily leads to erosion of the jet element, and at

Method used

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  • Well drilling device

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Embodiment Construction

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0019] In an embodiment of the present invention, the drilling device of the present invention mainly includes two parts: a drill bit and a high-frequency percussion auxiliary drilling mechanism 7 connected with the drill bit. like figure 1 As shown, it is a specific embodiment of the high-frequency percussion auxiliary drilling mechanism 7 . In this embodiment, the high-frequency impact auxiliary drilling mechanism 7 mainly includes a connecting cylinder 1 , a high-frequency vibration generator and a converter, and the high-frequency vibration generator and the converter are both arranged in the connecting cylinder 2 . The converter converts the high-frequency mechanical vibration generated by the high-frequency vibration generator into high-frequency low-amplitude impact and transmits it to the drill bit. The connecting cylinder 1 is arranged...

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Abstract

The invention discloses a well drilling device. The well drilling device comprises a drill bit and a high-frequency percussion auxiliary well drilling mechanism; and the high-frequency percussion auxiliary well drilling mechanism is connected with the drill bit, and at least generates 10,000 times of high-frequency and low-amplitude percussion actions per second to assist in well drilling of the drill bit. The high-frequency percussion auxiliary well drilling mechanism comprises a connecting barrel connected with the drill bit, a high-frequency vibration generator and a converter are arranged in the connecting barrel, the converter converts high-frequency mechanism vibration generated by the high-frequency vibration generator into high-frequency and low-amplitude percussion, and the low-amplitude percussion is transmitted to the drill bit. By the well drilling device, drilling speed can be increased, and the service life of a tool can be prolonged.

Description

technical field [0001] The invention relates to the technical field of oil and gas field exploration and development, in particular to a drilling device that uses high-frequency impact to assist drilling. Background technique [0002] Drilling engineering is the establishment of channels between surface and underground oil reservoirs through drilling tools and drilling techniques. At present, drilling engineering is mainly used in the exploitation of oil, natural gas, geothermal, groundwater, well salt and other resources. With the deepening of oil and gas exploration and development, drilling depth is getting deeper and more difficult, especially deep wells and ultra-deep wells have the problems of low ROP, long drilling cycle, and high drilling costs, which have put forward more challenges to the drilling technology itself. high demands. [0003] In view of the above problems, the rotary percussion drilling technology is proposed. It is a new drilling technology develop...

Claims

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Application Information

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IPC IPC(8): E21B1/00E21B7/24
Inventor 马东军陶兴华胡彦峰刘鹏张海平郭瑞昌张仁龙索忠伟王甲昌胡越发涂玉林
Owner CHINA PETROLEUM & CHEM CORP
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