[1]姚锋盛,曹冰,胡忠太,等.东海低渗气藏脉冲式加砂压裂技术[J].油气井测试,2019,28(03):42-48.[doi:10.19680/j.cnki.1004-4388.2019.03.008]
　YAO Fengsheng,CAO Bing,HU Zhongtai,et al.Pulse sanding fracturing technology for low permeability gas reservoirs in the East China Sea[J].Well Testing,2019,28(03):42-48.[doi:10.19680/j.cnki.1004-4388.2019.03.008]
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东海低渗气藏脉冲式加砂压裂技术()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
28
期数:
2019年03期
页码:
42-48
栏目:
出版日期:
2019-06-25

文章信息/Info

Title:
Pulse sanding fracturing technology for low
permeability gas reservoirs in the East China Sea
文章编号:
1004-4388(2019)03-0042-07
作者:
姚锋盛; 曹冰; 胡忠太; 简家斌; 唐亮
中海石油（中国）有限公司上海分公司储层改造技术中心  上海  200335
Author(s):
YAO Fengsheng;  CAO Bing;  HU Zhongtai;  JIAN Jiabin;  TANG Liang
Shanghai Branch of CNOOC Ltd., Shanghai 200335, China
关键词:
东海气田;  压裂;  低渗砂岩气藏;  脉冲式加砂;  纤维伴注;  可行性分析
Keywords:

East China Sea gas field;  fracturing;  lowpermeability sandstone gas reservoir;  pulse

sanding;  fiber injection;  feasibility analysis

分类号:
TE357
DOI:
10.19680/j.cnki.1004-4388.2019.03.008
文献标志码:
B
摘要:

东海低渗储层常规加砂压裂后稳产时间短，产量递减快，高投入低产出矛盾突出，无法满足海上气田高

效开发的需求。脉冲压裂工艺技术引入缝内非连续铺砂理念，通过脉冲加砂模式、多簇非均匀射孔及纤维伴注，确保支撑剂段塞运移的稳定性，最终在缝内形成非均匀

砂柱和沟槽，大幅度提高裂缝导流能力。室内工程评价及模拟实验表明，在缝长保持不变情况下，总液量可降低20%，优化了脉冲间隔时间为10～25 min，纤维浓

度为4‰。与常规压裂相比，提高了压后产量，降低了压裂液、支撑剂用量，减少了砂堵风险。从地质条件和作业能力两方面，论证了该技术在东海低渗气藏应用的可

行性，为后期大规模开发提供新的增产手段。

Abstract:

Conventional sand fracturing in low permeability reservoirs in the East China

Sea has shortly stable production period, rapid production decline, and prominent contradiction between high input and low output, which cannot

meet the needs of efficient development of offshore gas fields. Pulse fracturing technology introduces the concept of discontinuous sanding in

fracture. It can ensure the stability of proppant slug migration by means of pulse sanding mode, multicluster nonuniform perforation and fiber

injection, thus forming nonuniform sand column and groove in fracture, and greatly improving fracture conductivity. The indoor engineering

evaluation and simulation experiments shows that the total liquid volume can be reduced by 20% while the fracture length remain unchanged.

Meanwhile, the pulse interval time has been optimized to be 10~25 min and the fiber concentration was 4‰. Compared with conventional

fracturing, it increased production after fracturing, reduced the amount of fracturing fluid and proppant, and decreased the risk of sand

plugging. This paper demonstrated the feasibility of the application of this technology in low permeability gas reservoirs in  East China Sea

Oilfield from two aspects of geological conditions and operational capacity and provided new means for stimulating production for largescale

development in the later stage.

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备注/Memo

备注/Memo:

2019-01-18 收稿，2019-03-12 修回，2019-03-26 接受，2019-06-20 网络版发表
 中国海油创新基金支持项目“东海大厚层自悬浮支撑脉冲压裂技术”(cnooc

cxds2017001)

姚锋盛，男，1986年出生，硕士，工程师，2013年毕业于西南石油大学油气田开

发工程专业，现从事井下作业及增产新技术研究工作。电话：021-22831241，13761896870；Email:yaofsh3@cnooc.com.cn。通信地址：上海市长

宁区通协路388号中海油大厦A410，邮政编码：200335。

更新日期/Last Update: 2019-07-03