Summary

Research Progress and Prospect of Autogenic Acid System

  • Li Xiaogang ,
  • Qin Yang ,
  • Zhu Jingyi ,
  • Liu Ziwei ,
  • Jin Xinxiu ,
  • Gao Chenxuan ,
  • Jin Wenbo ,
  • Du Bodi
Expand
  • 1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
    2. PetroChina Changqing Oilfield Company, Xi'an, Shaanxi 710018, China;
    3. Southwest Petroleum University, Chengdu, Sichuan 610500, China;
    4. PetroChina Tarim Oilfield Company, Korla, Xinjiang 841000;
    5. PetroChina Southwest Oil & Gasfield Company, Chengdu, Sichuan 610051

Received date: 2021-07-23

  Revised date: 2022-07-29

  Online published: 2023-01-10

Abstract

The authigenic acid acidizing technology is one of the main measures for stimulation high temperature (ultra-high temperature) and low permeability tight oil and gas reservoirs. The research progress of authigenic acid acidizing technology was comprehensively analyzed, and the acid-rock reaction characteristics of authigenic acid, the main acid-generating mechanism of authigenic acid, and the research progress of authigenic organic acid, authigenic hydrochloric acid, authigenic hydrofluoric acid and composite authigenic acids were introduced, the influence of the type of authigenic acid, hydrogen supply capacity, cost, retardation capability, corrosion inhibition capability and other factors on the field application of acidizing work fluid was analyzed, and the application of authigenic acid in acidizing operation was prospected. This study can provide a reference for the development, popularization and application of autogenic acid acidizing technology.

Cite this article

Li Xiaogang , Qin Yang , Zhu Jingyi , Liu Ziwei , Jin Xinxiu , Gao Chenxuan , Jin Wenbo , Du Bodi . Research Progress and Prospect of Autogenic Acid System[J]. Special Oil & Gas Reservoirs, 2022 , 29(6) : 1 -10 . DOI: 10.3969/j.issn.1006-6535.2022.06.001

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