[1]田向东,康 露,杨 志,等.海上油气井快速诱喷测试技术[J].油气井测试,2018,27(02):41-46.[doi:10.19680/j.cnki.1004-4388.2018.02.007]
　TIAN Xiangdong,KANG Lu,YANG Zhi,et al.Fast testing of induced flows in offshore oil/gas wells[J].Well Testing,2018,27(02):41-46.[doi:10.19680/j.cnki.1004-4388.2018.02.007]
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海上油气井快速诱喷测试技术()
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《油气井测试》[ISSN:1006-6977/CN:61-1281/TN]

卷:
27
期数:
2018年02期
页码:
41-46
栏目:
出版日期:
2018-04-25

文章信息/Info

Title:
Fast testing of induced flows in offshore oil/gas wells
文章编号:
1004-4388(2018)02-0041-06
作者:
田向东1;  康  露2;  杨  志2;  张晓东1
1.中海艾普油气测试（天津）有限公司  天津  300452
2.西南石油大学石油与天然气工程学院  四川成都  610500
Author(s):
 TIAN Xiangdong1;  KANG Lu2;  YANG Zhi2;  ZHANG Xiaodong1
1. COSLEXPRO Testing Services (Tianjin) Co., Ltd., Tianjin 300452, China
2. School of Petroleum Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China
关键词:
 ; 海上油气田; 地层测试; 快速; 诱喷; 气举; 配套工具; 设计软件
Keywords:
 ; offshore oil/gas field;  well test;  fast;  induced flow;  gas lifting;  supporting devices;  design software
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2018.02.007
文献标志码:
B
摘要:
 针对海上油气井常规诱喷测试工艺存在的测试时间长、平台气源不足气举效率低、深井泵诱喷测试管柱不能下入钢丝作业工具等问题，设计从钻杆内下入带气举阀的60325 mm平式油管，利用平台造氮设备从钻杆与60325 mm油管小环空注气，形成了半闭式气举的快速诱喷测试技术，同时配套了专用的气举阀、密封装置、伸缩补偿器、井口装置与工艺参数设计软件。该工艺在HY941平台WZ12X井应用实施顺利，各配套工具工作效果良好。结果表明，与常用的连续油管测试技术相比，快速诱喷测试工艺气举效率高，能通过调节作业参数实现对生产压差的准确控制，并且能满足不同压井液条件下的快速诱喷需要，有效节约了作业时间和作业费用，为海上地层压力和产能较低的油气井诱喷测试提供了借鉴。
Abstract:
 Conventional testing processes for induced flows in offshore oil/gas wells are disadvantageous for long testing time, low gas lifting efficiency due to insufficient gas supply on the platform, incapability in deployment of wire tools by the pipestring of testing of induced flows through deep well pump and other defects. Accordingly, a technique for fast testing of induced flows based on semiclosed gaslifting was developed. A flat tubing of 60325 mm with gas lifting valve is deployed through the drilling pipe, and the gas is injected by using the nitrogengenerating unit on the platform through the minor annulus between the drilling pipe and the 60325 mm tubing. Moreover, special gas lifting valves, sealing devices, expansion compensator, wellhead devices and process parameter design software were deployed. The technique was successfully applied in Well WZ12X on Platform HY941, with all supporting devices working satisfactorily. Compared with conventional testing techniques based on coiled tubing, the new technique can realize high gaslifting efficiency, accurately control differential production pressure by adjusting relevant operational parameters, and facilitate fast test of induced flows under different killing fluids, the innovative technology can effectively minimize working time and operation costs. With less testing time and cost, the new technique can provide necessary reference for testing of induced flows in offshore oil/gas wells with relatively low formation pressure and deliverability.

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更新日期/Last Update: 2018-06-21