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Fluid separating device, shaft structure and method for producing petroleum or natural gas

A separation device and fluid technology, which is used in the production of fluids, earth-moving drilling, sealing/packing, etc., can solve the problems of slow downward speed and the inability of the fluid separation device to go down to the bottom of the well, so as to eliminate friction and reduce impact force. requirements, the effect of improving the service life

Active Publication Date: 2017-11-03
成都百胜野牛科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem with this kind of fluid separation device is that because the partition is always in contact with the inner wall of the well under the action of the elastic member, under the joint action of the friction between the partition and the inner wall of the well and the pressure of natural gas or oil below the fluid separation device , the fluid separation device cannot descend back to the bottom of the well, or the descending speed is slow

Method used

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  • Fluid separating device, shaft structure and method for producing petroleum or natural gas
  • Fluid separating device, shaft structure and method for producing petroleum or natural gas
  • Fluid separating device, shaft structure and method for producing petroleum or natural gas

Examples

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Effect test

Embodiment 1

[0059] Please refer to figure 1 with figure 2 , figure 1 A working state diagram of the hoistway structure 020 provided in this embodiment, figure 2 Another working state diagram of the hoistway structure 020 provided in this embodiment. from figure 1 with figure 2 It can be seen from the figure that in this embodiment, the hoistway structure 020 includes a hoistway 201, and upper impact devices 202 ( figure 1 shown in ) and the lower impact device 203 ( figure 2 shown in ) and the fluid separation device 010 disposed in the hoistway 201. The fluid separation device 010 slides in the vertical direction in the hoistway 201 . When the fluid separation device 010 moves to the upper end of the shaft 201 , the fluid separation device 010 collides with the upper impact device 202 . When the fluid separation device 010 moves to the lower end of the shaft 201 , the fluid separation device 010 collides with the lower impact device 203 .

[0060] The fluid separation device...

Embodiment 2

[0077] This embodiment provides an oil or natural gas production method, which is realized based on the shaft structure 020 described in Embodiment 1. When the fluid separation device 010 is descending, the outlet of the shaft 201 is opened.

[0078] During the downward process of the fluid separation device provided in the related art, there is a relatively large frictional force between the partition and the inner wall of the shaft, and the upward flow of oil or natural gas under the fluid separation device exerts an upward thrust on the fluid separation device. Under the combined action of friction, upward thrust, and fluid resistance of oil or natural gas, the fluid separation device goes down slowly, or even cannot go down at all. In order to make the fast fluid separation device go down or speed up the downward speed of the fluid separation device, in the related art, when the fluid separation device is going down, it is necessary to close the outlet of the well to balanc...

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PUM

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Abstract

The invention relates to the technical field of oil and gas exploitation, and discloses a fluid separating device, a shaft structure and a method for producing petroleum or natural gas. The fluid separating device, the shaft structure and the method have the advantages that requirements on impact force of a mandrel and a lower impact device can be lowered by the fluid separating device and the shaft structure, the mandrel can be changed from contraction locations to expansion locations only by the aid of low impact force between the mandrel and the lower impact device, and the reliability of the fluid separating device and the shaft structure during work can be improved; the method for producing the petroleum or the natural gas can be continuously implemented without shutting down wells, accordingly, the petroleum or the natural gas can be continuously produced, and the production efficiency can be greatly improved.

Description

technical field [0001] The invention relates to the technical field of oil and gas exploitation, in particular to a fluid separation device, a shaft structure and a method for producing oil or natural gas. Background technique [0002] During the development of oil and gas wells, when the oil or natural gas production in the well is low and the pressure in the well is insufficient, a large amount of liquid cannot be lifted to the surface, which will form a certain degree of liquid accumulation at the bottom of the well, which will reduce the production capacity of the oil and gas well, and even cause oil and gas The well stopped blowing. [0003] A related art known to the inventor provides a fluid separation device. A plurality of partitions are arranged on the periphery of the fluid partition device, and these partitions are always in contact with the inner wall of the hoistway under the action of the elastic member to form a seal. In this way, the pressure generated by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B33/12
CPCE21B33/1208E21B43/121E21B43/13E21B43/38
Inventor 刘士吉唐勇张罡李军民张忠林刘树飞苏诗策易诚雄周华谭宇茜唐湉刘向美珂刘瀚森陈俊宏周侗侗
Owner 成都百胜野牛科技有限公司
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