A rotary drilling device for automatic oil exploitation

Abstract

An automatic petroleum development adopts a rotary drilling device, including a box body, the left and right inner walls of the box body are provided with slide rails, the slide rails are provided with sliders, the sliders are connected with a motor, the bottom of the motor is connected with a reducer, and the left and right sides of the reducer are connected. There is an electric telescopic rod on the side, a first through hole at the bottom of the box, the first through hole is connected with the first rotating shaft, the outer side of the first rotating shaft has a first sleeve, the lower end of the first sleeve is connected with the drill bit, and the side wall of the first sleeve is There is a second through hole, the second through hole is connected with a second rotating shaft, the second rotating shaft is connected with the first sleeve, the outer side of the first sleeve has a second sleeve, and the second sleeve has a third through hole in the uppermost sleeve. There is a cavity on one side of the side third through hole, and a controller is arranged on the inner top of the box body. The device controls the extension and shortening of the electric telescopic rod through the controller, so that the first sleeve and the drill bit are driven by the downward force to continuously creep in the drilling direction. The induction is accurate and timely, the control is convenient and fast, and the risk of damage to the drill bit is effectively reduced. .

Description

technical field [0001] The invention belongs to the field of automatic drilling devices, in particular to a rotary drilling device used for automatic oil exploitation. Background technique [0002] Oil, as an important part of the energy structure, is one of the major driving forces that gradually promote the development of the times and the process of mechanization. From the small oil wells manually dug by ancient humans to the large-scale oil wells that are now gathered on a large scale, all of them reflect people's With regard to the dependence on oil, China has gradually become the second largest oil consumer in the world. The development of China's oil industry plays an important role and strategic significance on the domestic market environment, national economic conditions, military, national defense and security. The most important way is that the oil drilling industry bears huge industrial pressure and market supply and demand pressure. Because the operating environ...

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Problems solved by technology

[0002] Petroleum, as an important part of the energy structure, gradually promotes the development of the times and one of the major driving forces for the mechanization process. From the small oil wells dug by hand in ancient times to the large oil wells gathered on a large scale today, all of them reflect people's Due to its dependence on oil, China has gradually become the second largest oil consumer in the world. The development of China's oil industry plays an important role and has important strategic significance in terms of the domestic market environment, national economic conditions, military defense and security. The most important way is that the oil drilling industry bears huge industrial pressure and market supply and demand pressure. Since the operating environment is located below the formation, formation pressure and temperature factors will have a negative impact on drilling operations. At the same time, due to difficult control and isolation factors, oil The danger of oil well drilling has always existed. Therefore, the oil drilling industry is an industry with both risks and benefits. It is particularly important to choose suitable drilling equipment. The traditional automatic drilling device is a top-driven drilling device, that is, directly from the derrick on the ground. The space rotates the drill string to realize the downward drilling of the drill string. Since it is necessary to continuously exert downward pressure on the drill string to make the drill string drill downward, the energy consumption is large. When the drill string drills to a deeper depth , the rotation of the drill string becomes difficult to control, and it is easy to cause damage to the rotating machinery due to the vibration of the drill string. At the same time, when the vibration is transmitted to the drill bit, it will also cause damage to the drill bit and shorten the service life of the drill bit.

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