[1]林应之,林启才,邓世杨,等. 深层砂岩裂缝性气藏缝网压裂裂缝导流能力分析[J].油气井测试,2021,30(05):9-17.[doi:10.19680/j.cnki.1004-4388.2021.05.002]
　LIN Yingzhi,LIN Qicai,DENG Shiyang,et al. Analysis on fracture conductivity of fracture network fracturing in deep sandstone fractured gas reservoir[J].Well Testing,2021,30(05):9-17.[doi:10.19680/j.cnki.1004-4388.2021.05.002]
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 深层砂岩裂缝性气藏缝网压裂裂缝导流能力分析()
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《油气井测试》[ISSN:1006-6977/CN:61-1281/TN]

卷:
30卷
期数:
2021年05期
页码:
9-17
栏目:
出版日期:
2021-10-25

文章信息/Info

Title:
 Analysis on fracture conductivity of fracture network fracturing in deep sandstone fractured gas reservoir
文章编号:
1004-4388(2021)05-0009-09
作者:
 林应之; 林启才; 邓世杨; 李翼
 中国石油集团川庆钻探工程公司井下作业公司 四川成都 610052
Author(s):
 LIN Yingzhi;  LIN Qicai;  DENG Shiyang;  LI Yi
 

Downhole Operation Company, CNPC Chuanqing Drilling Engineering Company Limited, Chengdu, Sichuan 610052,

China

关键词:
 ; 深层; 砂岩; 裂缝性气藏; 缝网; 压裂; 连通性; 导流能力; 支撑剂
Keywords:
 ; 

deep;  sandstone;  fractured gas reservoir;  sewing mesh;  fracturing;  connectivity;  diversion capacity; 

proppant

分类号:
TE357
DOI:
10.19680/j.cnki.1004-4388.2021.05.002
文献标志码:
A
摘要:
 

针对深层、超深层气藏缝网压裂及其裂缝特征，采用高强度支撑剂对支撑裂缝导流能力进行评价，结合岩心裂缝流动实验，对支撑剂不同铺置浓度

的支撑裂缝导流能力，岩心单裂缝、多裂缝交错缝的连通与导流能力等进行模拟实验，分析了裂缝连通与支撑对裂缝及裂缝网络渗流性的影响。研究结果表明，裂缝支撑主要

有支撑剂铺置支撑、错位缝自支撑和岩石碎块支撑。其中多层铺置和局部单层铺置支撑裂缝具有高导流能力，是缝网裂缝重要的渗流特性。采用变粒径、变黏度、变排量和阶

梯连续加砂等技术措施，有利强化复杂裂缝的支撑和提高缝网裂缝的连通性和导流能力。该分析方法对深层、超深层缝网压裂工艺技术的改进具有重要指导性，对页岩等非常

规气藏的体积压裂也具有借鉴作用。

Abstract:
 

According to the “fracture network” fracturing and fracture characteristics of deep and

ultradeep gas reservoirs, highstrength proppant is used to evaluate the conductivity of supporting fractures. In addition, combined with the

core fracture flow experiment, the simulation experiments are carried out on the conductivity of supporting fractures with different proppant paving

concentrations, the connectivity and conductivity of single fracture and multi fracture staggered fracture in the core, and the effects of fracture

connectivity and support on the permeability of fractures and fracture network are analyzed. The results show that the fracture support mainly includes

proppant placement support, dislocation fracture selfsupport and rock fragment support. Among them, multilayer and local single layer supported

fractures have high conductivity, which is an important seepage characteristic of “fracture network” fractures. The adoption of technical measures

such as variable particle size, variable viscosity, variable displacement and stepped continuous sand addition is beneficial to strengthen the support

of complex fractures and improve the connectivity and conductivity of “fracture network” fractures. The analysis method has important guidance for

the improvement of deep and ultradeep “fracture network” fracturing technology and can also be used as a reference for the volume fracturing of

unconventional gas reservoirs such as shale.

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备注/Memo

备注/Memo:
 收稿日期 2021-05-17收稿，2021-08-05修回,2021-08-16接受,2021-10-20网络版发表

林应之，1990年出生，工程师，2013年毕业于西南石油大学石油工程专业，主要从事储层改造技术及现场

服务。电话：0996-2178242，18139290421；Email：linyiz_jx@cnpc.com.cn。通信地址：新疆库尔勒市交通东路七星东苑川庆新疆井下事业部， 邮政编码：841000。

更新日期/Last Update: 2021-11-25