[1]于书新,吴丹丹,程晓刚,等.大庆油田浅层气井扩容式射孔技术[J].油气井测试,2020,29(05):21-26.[doi:10.19680/j.cnki.1004-4388.2020.05.004]
　YU Shuxin,WU Dandan,CHENG Xiaogang,et al.Expandable perforating technology for shallow gas wells in Daqing Oilfield[J].Well Testing,2020,29(05):21-26.[doi:10.19680/j.cnki.1004-4388.2020.05.004]
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大庆油田浅层气井扩容式射孔技术()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
29卷
期数:
2020年05期
页码:
21-26
栏目:
出版日期:
2020-10-25

文章信息/Info

Title:
Expandable perforating technology for shallow gas wells in Daqing Oilfield
文章编号:
1004-4388(2020)05-0021-06
作者:
于书新1; 吴丹丹1; 程晓刚1; 杨东2
1.中国石油大庆油田有限责任公司试油试采分公司 黑龙江大庆 163412
2.中国石油大庆油田有限责任公司勘探事业部 黑龙江大庆 163412
Author(s):
YU Shuxin1;  WU Dandan1;  CHENG Xiaogang1;  YANG Dong2
1.Testing Branch of PetroChina Daqing Oilfield Co. Ltd., Daqing, Heilongjiang 163412, China
2.Exploration department of PetroChina Daqing Oilfield Co. Ltd., Daqing, Heilongjiang 163412, China
关键词:
大庆油田;  浅层气井;  扩容式射孔;  表皮系数;  地层污染;  孔径;  孔容
Keywords:
Daqing Oilfield;  shallow gas well;  expandable perforating;  skin factor;  perforation diameter;  perforation volume
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2020.05.004
文献标志码:
B
摘要:
大庆油田黑帝庙组浅层气井试气资料显示，地层表皮系数较大，近井地带污染严重。扩容式射孔技术在射孔弹前端加装由高能粒子等材料组成的扩容体，借助射孔弹爆炸后产生的涡流场引力，将不同粒度的高能粒子曳入射孔孔道内，直接毁伤压实层，达到扩大射孔孔径、提高孔道容积的效果。钢靶检测实验结果表明，与常规射孔方式相比，利用扩容式射孔技术形成的有效孔径提高了29%，孔容提高了4444%，穿深提高了14%。xq152井和xq12井现场试验，射孔均一次成功，试井解释xq152井表皮系数为-57、xq12井为-37，平均试油产能提高17倍，改善储层效果较好。该技术为近井地带储层改造提供了新途径。
Abstract:
The gas testing data of the shallow gas wells of Heidimiao formation in Daqing Oilfield show that the formation skin factor is large and the pollution near the wellbore is serious. Expandable perforating technology adds an expandable body composed of highenergy particles and other materials to the front of the perforating charges, and the highenergy particles of different particle size are dragged into the perforation channel to destroy the compaction layer directly by means of the eddy field gravity generated by the perforating charges after explosion. Then  the perforation diameter is enlarged and the pore volume is improved. The results of steel target test show that, compared with the conventional perforating method, the effective perforation diameter, perforation capacity and perforation depth can be  increased by 29%, 4444% and 14%, respectively. In the field tests of Well xq152 and Well xq12, the perforation was successful just for one time. The well test interpretation showed that the skin factor of Well xq152 was -57 and that of Well xq12 was -37. The average oil test productivity is increased by 17 times. The reservoir improvement effect was fairly good. This technology provides a new way for reservoir stimulation in nearwellbore zone.

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备注/Memo

备注/Memo:
 2019-12-07收稿，2020-08-15修回，2020-09-01接受，2020-10-20 网络版发表
中国石油天然气股份有限公司科学研究与技术开发项目“老油田稳产工程关键技术研究与应用”专项课题“定方位定射角射孔技术研究与应用”（kt2017-16-12-1）
于书新，男，1983年出生，工程师，2006年7月毕业于大庆石油学院石油工程专业，现从事试油气地质资料解释评价与科研管理工作。电话：0459-5684293，13674597852；Email：yushuxin@petrochina.com.cn。通信地址：黑龙江省大庆市让胡路区乘南十八街十八号试油试采分公司地质大队，邮政编码：163412。
更新日期/Last Update: 2020-11-16