[1]侯明明,黄刚,张晓东.高温高压井射孔工艺技术[J].油气井测试,2019,28(03):14-20.[doi:10.19680/j.cnki.1004-4388.2019.03.003]
　HOU Mingming,HUANG Gang,ZHANG Xiaodong.Perforation technology for hightemperature and highpressure wells[J].Well Testing,2019,28(03):14-20.[doi:10.19680/j.cnki.1004-4388.2019.03.003]
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高温高压井射孔工艺技术()
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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:
14-20
栏目:
出版日期:
2019-06-25

文章信息/Info

Title:
Perforation technology for hightemperature and highpressure wells
文章编号:
1004-4388(2019)03-0014-07
作者:
侯明明; 黄刚; 张晓东
中国石油集团长城钻探工程有限公司测试公司 北京 100101
Author(s):
HOU Mingming;  HUANG Gang;  ZHANG Xiaodong
Well Test Company, CNPC Greatwall Drilling Engineering Company Limited, Tianjin 300452, China
关键词:
高温高压井;  火工品;  射孔;  穿深;  负压差;  密封性;  射孔成功率
Keywords:
hightemperature and highpressure wells;  pyrotechnics;  perforation;  penetration depth;  negative pressure difference;  sealing;  perforation success rate
分类号:
TE257
DOI:
10.19680/j.cnki.1004-4388.2019.03.003
文献标志码:
B
摘要:
高温高压井射孔作业风险远高于常规的射孔作业，为保证射孔作业在复杂井筒和地层条件下一次性成功，从射孔器材和火工品的选择，减震器和筛管的选用，射孔枪通过能力，起爆方式和施工工艺方面进行探讨，提出射孔器材选择时应考虑抗压强度，密封件的密封性能，射孔枪井筒通过能力；火工品应考虑耐温性，射孔弹还需考虑穿深和孔径，确保地层和井底压差可控；减震器应考虑减震效果，抗拉强度和过流面积；筛管应考虑抗拉强度和过流面积；造负压适宜选择延时起爆方式；起爆压力设置与负压值相近，避免因补泄压时间过长导致造负压失败，同时也便于监听仪监测射孔后效。经3口井现场应用，综合考虑上述因素后，射孔成功率100%。该方法对指导高温高压井现场射孔作业具有重要的参考价值。
Abstract:
The risk of perforating operation in hightemperature and highpressure wells is much higher than that in conventional wells. In order to ensure the success of perforating operations in complex wellbore and formation conditions, the selection of perforating equipment and initiating explosive device, the use of shock absorber and screen tube, the passing capacity of perforating gun, initiation mode and construction technology were all studied in this paper and the following conclusions have been obtained: the perforating equipment should be selected in consideration of compressive strength, sealing performance of the seal and passing capacity of perforating gun; temperature resistance should be considered for pyrotechnics while, penetration depth and aperture should be considered for perforating bullets to ensure that the pressure difference between formation and bottomhole can be controlled; for shock absorbers, the shock absorption, tensile strength and flow area should be considered; for the screen tube the tensile strength and the flow area should be considered. In addition, it was suitable to select the delayed detonation method when creating negative pressure. The detonation pressure should be set close to the negative pressure value, so as to avoid the failure of the negative pressure caused by the excessive pressure relief time, and facilitate the monitor the perforation effect. After considering the above factors comprehensively, this perforating method was applied in 3 wells, and the success rate of perforation was 100%. This method has important reference value for guiding onsite perforating operation in hightemperature and highpressure wells.

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备注/Memo

备注/Memo:

2018-12-13 收稿，2019-03-21 修回，2019-04-05 接受，2019-06-20 网络版发表
侯明明，男，1986年出生，工程师，2009年毕业于长江大学石油工程专业，现主要从事

TCP射孔作业和完井作业技术研究和现场作业。电话：010-59285615，18971703713；Email：houmingming@cnlc.cn。通信地址：北京市朝阳区安立路101号名人大厦

1721室，邮政编码：100101。

更新日期/Last Update: 2019-07-03