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A foam discharge agent inspection system

A technology for inspecting systems and foaming agents, applied in wellbore/well components, measurement, construction, etc.

Active Publication Date: 2020-06-09
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These properties are generally measured in indoor laboratories at normal temperature and pressure, which is far from the actual bottom of the well. Therefore, it is extremely urgent to develop a set of experimental devices that can test the properties of foaming agents under high temperature and high pressure.

Method used

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  • A foam discharge agent inspection system

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Embodiment Construction

[0038] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0039] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or a central element may also exist. When an element is considered to be "connected" to another element, it can be directly connected to the other element or an intermediate e...

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Abstract

The invention discloses a foam discharging agent inspection system comprising a simulation wellbore. The simulation wellbore is provided with a corrosivity test piece; a temperature control device contains the simulation wellbore; the temperature control device is capable of controlling the experimental environment temperature of the simulation wellbore; an application device communicates with the interior of the simulation wellbore; the application device is capable of inputting oil, water, and gas into the simulation wellbore; a chemical inputting device communicates with the interior of the simulation wellbore; the chemical inputting device is capable of inputting chemical into the interior of the simulation wellbore; and a pressure control device is used for controlling the foam discharging pressure in the simulation wellbore. The foam discharging agent inspection system can simulate the actual bottom hole environment in real way, so that the nature of the foam discharging agent is tested in real way.

Description

Technical field [0001] The invention relates to the field of petroleum exploitation, in particular to a bubble discharge agent inspection system. Background technique [0002] When producing gas reservoirs in the same layer of gas and water, water cannot flow out of the ground automatically, but is carried out of the wellhead by the action of natural gas flow. In the early stage of gas field development, gas reservoirs have high pressure and sufficient energy, and most gas reservoirs can effectively carry out the bottom hole fluid through their own energy. However, with the gradual deepening of development, the pressure and production of gas reservoirs decrease. The production of most gas reservoirs is lower than the critical liquid-carrying flow rate, causing bottom hole fluid to be unable to be carried out normally, forming bottom hole back pressure, reducing production pressure difference, and reducing natural gas production. , Even causing gas reservoirs to be flooded and st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/22E21B47/00
CPCE21B43/16E21B47/002
Inventor 张洪君王浩郑猛郭韬周飞戴倩倩张群梁凌熏姜雷刘丽华陈威吕孝明安志杰
Owner PETROCHINA CO LTD