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Natural gas well and well group

A natural gas and Christmas tree technology, applied in wellbore/well components, wellbore/well valve devices, and production fluids, etc., can solve problems such as energy waste, production stoppage, and bottom-hole fluid accumulation, and avoid large fluctuations , The effect of stabilizing the intake pressure and reducing the bottom hole fluid accumulation

Pending Publication Date: 2020-07-03
成都百胜野牛科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when high-energy wells are producing, there is a problem of energy waste
When the natural gas flow rate in the wellbore exceeds the critical liquid-carrying flow rate, more energy is used to overcome the frictional resistance between the fluid and the wellbore instead of carrying liquid, which leads to energy waste
[0004] Some natural gas wells have the problem of insufficient energy, and the production flow rate is lower than the critical liquid-carrying flow rate, so they cannot carry liquid, resulting in more and more serious bottom-hole liquid accumulation, and eventually stop production
Low-energy wells may not be able to support the implementation of drainage measures such as plunger drainage

Method used

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  • Natural gas well and well group

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Embodiment 1

[0030] Please refer to figure 1 , the well group 010 provided in the embodiment of the present application includes four natural gas wells, namely the natural gas well 100 , the natural gas well 200 , the natural gas well 300 and the natural gas well 400 . The structures of the four natural gas wells are exactly the same. It should be noted that, in other embodiments, the number of natural gas wells is not limited to four. The well group 010 provided in this embodiment includes four natural gas wells is just an example. Preferably, the natural gas wells forming the well group 010 are located on the same platform.

[0031]In the embodiment of the present application, the natural gas well 100 includes a gas tree, a tubing 131 , a casing 132 , a first delivery pipeline 133 , a second delivery pipeline 134 , a first delivery regulation valve 135 and a second delivery regulation valve 136 . The gas tree includes No. 1 valve 101, No. 2 valve 102, No. 3 valve 103, No. 4 valve 104,...

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Abstract

The invention relates to the technical field of natural gas exploitation, and discloses a natural gas well and a well group. The natural gas well comprises a gas recovery tree, a first conveying pipeline, a first conveying adjusting valve, a second conveying pipeline and a second conveying adjusting valve. The first conveying pipeline is connected with a casing pipe production opening of the gas recovery tree. The first conveying adjusting valve is arranged on the first conveying pipeline. One end of the second conveying pipeline is connected with an oil pipe production pipeline of the gas recovery tree, and the other end of the second conveying pipeline is connected with the first conveying pipeline. The second conveying adjusting valve is arranged on the second conveying pipeline. The first conveying pipeline is configured to communicate with first conveying pipelines of other natural gas wells. By means of the natural gas well and the well group, energy can be fully utilized and effectively distributed.

Description

technical field [0001] The present application relates to the technical field of natural gas exploitation, in particular to a natural gas well and well group. Background technique [0002] Different natural gas wells have different energies. [0003] Some natural gas wells still have sufficient energy to maintain self-flowing production, and the production flow rate is relatively large, and the bottom fluid can be taken out of the well. However, there is a problem of energy waste during production of high-energy wells. When the natural gas flow rate in the wellbore exceeds the critical liquid-carrying flow rate, more energy is used to overcome the frictional resistance between the fluid and the wellbore instead of carrying liquid, which leads to energy waste. [0004] Some natural gas wells have the problem of insufficient energy, and the production flow rate is lower than the critical liquid-carrying flow rate, which makes it impossible to carry liquid, resulting in more ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/00E21B43/30E21B47/06E21B34/02
CPCE21B43/00E21B43/30E21B47/06E21B34/02
Inventor 刘书豪刘树飞苏诗策陈俊宏刘晓川张常良凌坤
Owner 成都百胜野牛科技有限公司
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