Composite Plugging Removal Technology and Application in Low Permeability Oilfield

Qiang Deng; Man Liu; Xiao Lu; Xuan Gang Meng; Jin Ling Li; Shi Jun Chen; Gang Chen

doi:10.4028/www.scientific.net/DDF.394.9

Paper Titles

Preface

Durability of Coatings Based on Sol Silicate Paint
p.1

Investigation of the Possibilities to Obtain Integral Sandwich Constructions
p.5

Composite Plugging Removal Technology and Application in Low Permeability Oilfield
p.9

Control of Properties of Composite Materials - Quality Functional
p.15

Preparation of Ag/SnO₂ Contact Material by Chemical Deposition
p.21

Increasing the Strength and Reliability of the Jetty Pile Structure with the Application of Glass Fiber Reinforced Polymer
p.27

Adsorption and Desorption Study of Locally Available BOF Sludge to Remove Metal Ions from Aqueous Solutions
p.33

Dehydration and Sieving to 150 Microns Process of Melon Seed
p.39

HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 394Composite Plugging Removal Technology and...

Composite Plugging Removal Technology and Application in Low Permeability Oilfield

Abstract:

In an oilfield factory, the blocking and jam in Chang 2 reservoir is very serious. In recentyears, according to analysizing different plugging mechanism and optimizing acidizing formula, theoptimal plugging removal technology was formed suitable for the solution for the Chang 2 reservoirof oilfield factory. This plugging removal formula increases the efficiency radius, and increases thedosage of additives to protect the pipe, rod and pump from the precipitation such as Ca2+and Mg2+,which causes new pollution. Reasonable multiple technologies were designed, and low displacementmethod was used in the injection process, aiming at the characteristics of Chang 2 reservoir. Thismethod extends the time of plugging removal fluid staying around the well bore, which can eliminateplugging near well bore area effectively, and improve the permeability. DQ-1 composite pluggingremoval and other kinds of plugging removal methods have been used more than 50 times, and theeffect is remarkable, which made a positive contribution to stable production of the oilfield.

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Periodical:

Defect and Diffusion Forum (Volume 394)

Pages:

9-13

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.394.9

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Online since:

August 2019

Authors:

Qiang Deng, Man Liu, Xiao Lu, Xuan Gang Meng, Jin Ling Li, Shi Jun Chen, Gang Chen*

Keywords:

Acidizing Formula, Composite Plugging Removal, Low Permeability

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* - Corresponding Author

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