High-temperature, high-pressure, and acid-resisting apparatus for foam generating and dynamic evaluating

A foam generation, high temperature and high pressure technology used in measurement devices, flow characteristics, and the use of fluid flow characteristics to determine specific gravity and other directions

Active Publication Date: 2011-09-21
PETROCHINA CO LTD
View PDF4 Cites 30 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There has been a long history of research on foam fluids at home and abroad, but most of them only focus on the performance of foam fluids at normal temperature and pressu

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-temperature, high-pressure, and acid-resisting apparatus for foam generating and dynamic evaluating
  • High-temperature, high-pressure, and acid-resisting apparatus for foam generating and dynamic evaluating
  • High-temperature, high-pressure, and acid-resisting apparatus for foam generating and dynamic evaluating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The high-temperature and high-pressure acid-resistant foam generation and dynamic evaluation device is composed of a foam generation and dynamic evaluation system, a formation damage / acidification evaluation test system, and a computer control system;

[0027] Foam generation and dynamic evaluation system includes: liquid storage tank A1 with heating jacket, high pressure positive displacement plunger pump 5, foam generator 10, nitrogen gas supply device A2 and liquid carbon dioxide gas supply device 3, gas booster pump 7, carbon dioxide high pressure Positive displacement plunger pump 4, circulation pump 12, coil heating furnace 11, data acquisition system 13, flow temperature density meter 9, differential pressure sensor A15 and cleaning system 26;

[0028] The liquid storage tank A1 with a heating jacket communicates with the foam generator 10 through a valve through a high-pressure positive displacement plunger pump 5; the nitrogen gas supply device A2 connects with ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a high-temperature, high-pressure, and acid-resisting apparatus for foam generating and dynamic evaluating. According to the invention, a liquid tank A with a heating coat is communicating with a foam generator, a nitrogen supplying apparatus A is connected to the foam generator, and a liquid carbon dioxide supplying apparatus is connected to the foam generator. The foam generator is connected to a coil heating furnace, the coil heating furnace is provided with a viewing window, and a data collecting system composed of a microscope and a camera is connected outside ofthe viewing window. The coil heating furnace is connected to a flow temperature and density meter, a differential pressure sensor A, and a washing system. The liquid tank A with a heating coat is connected to a liquid tank B with a heating coat, and the connected liquid tanks are connected to a rock core holder with a heating apparatus. The rock core holder with a heating apparatus is connected to an ambient pressure system, a back pressure system, and the differential pressure sensor. The apparatus provided by the present invention is capable of simulating the temperature and the pressure under stratum conditions, testing the rheological characteristics and the viscosities of foam liquids, and testing the performances of the foam liquids, such as foam quality, particle diameter distribution, half life period and dynamic filtration, foam liquid damage, and acidifying effect.

Description

technical field [0001] The invention relates to an acid-resistant foam generating and high-temperature (177°C) high-pressure (70MPa) foam liquid dynamic performance evaluation device. Background technique [0002] In the exploration and development of oil and natural gas, low-pressure gas wells are common, and the application of foam liquid is gradually increasing, such as foam acidizing, foam fracturing, foam washing, foam sand washing, foam killing, etc. At present, the equipment for testing foam liquid performance at home and abroad is mainly: capillary viscometer, rotational viscometer, vibratory viscometer can test the rheology of foam liquid; There is no report on the equipment for testing foam particle size distribution, half-life, etc., dynamic fluid loss, foam liquid damage, acidification effect and other properties of foam liquid under high pressure, and there is no equipment for joint measurement of the above foam properties. [0003] There has been a long histor...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01N11/00G01N9/32G01N21/84G01N15/08
Inventor 刘友权张燕唐永帆张永国石晓松陈鹏飞王小红
Owner PETROCHINA CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap