分支水平井连续冲砂工艺技术研究

doi:10.3863/j.issn.1674-5086.2009.03.024

西南石油大学学报(自然科学版) ›› 2009, Vol. 31 ›› Issue (3): 107-109.DOI: 10.3863/j.issn.1674-5086.2009.03.024

分支水平井连续冲砂工艺技术研究

梁海波¹ 陈永恒² 赵金洲³

1.西南石油大学油气测控实验室，四川成都 610500； 2.中国石油辽河油田公司特种油开发公司，辽宁盘锦 124000；3.“油气藏地质及开发工程”国家重点实验室•西南石油大学，四川成都 610500

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-06-20 发布日期:2009-06-20

THE RESEARCH ON CONTINUOUS SAND WASHING TECHNOLOGY IN MULTILATERAL HORIZONTAL WELL

LIANG Hai-bo¹ CHEN Yong-heng² ZHAO Jin-zhou³

1.Well Test Research Institute，Southwest Petroleum University，Chengdu Sichuan 610500，China；2.Special Oil Co. of PetroChina Liaohe Oilfield，Panjin Liaoning 124000，China;3.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,SouthWest Petroleum University,Chengdu Sichuan 610500,China

Received:1900-01-01 Revised:1900-01-01 Online:2009-06-20 Published:2009-06-20

摘要/Abstract

摘要：

采用连续油管对分支水平井进行连续冲砂的缺点是连续油管直径小，井眼尺寸大，正冲砂时洗井液上返速度低，不易把砂子带出地面。采用常规的修井机对分支水平井进行连续冲砂时效低，容易造成砂卡事故。研究提出的分支井连续冲砂工艺技术和井眼保护工艺技术，实现了利用常规管柱进行有效连续冲砂的目的，不但大大缩短了冲砂工期，而且安全可靠。这种工艺技术无需采用连续油管作业机，经济可靠。

关键词: 分支水平井, 连续冲砂, 井眼保护

Abstract:

The disadvantage using coiled tubing for continuous sand washing in the multilateral horizontal wells is that the diameter of coiled tubing is small,borehole size is big,the return speed of sand washing liquid is low while washing sand,and it is not easy to sand out to the ground.The efficiency using conventional service rig for continuous sand washing in the multilateral horizontal wells is low,and it easily leads to sanding in.In this paper,continuous sand washing technology in the multilateral horizontal wells and borehole protection technology are proposed,which achieve the purpose using conventional string for effective continuous sand washing.It not only significantly reduces the duration of the washing sand,but it is safe and reliable.This technology does not need to use coiled tubing operation machine,and it is economical and reliable.

Key words: the multilateral horizontal well, continuous sand washing, borehole protection

中图分类号:

TE358+.1

梁海波陈永恒赵金洲. 分支水平井连续冲砂工艺技术研究[J]. 西南石油大学学报(自然科学版), 2009, 31(3): 107-109.

LIANG Hai-bo CHEN Yong-heng ZHAO Jin-zhou. THE RESEARCH ON CONTINUOUS SAND WASHING TECHNOLOGY IN MULTILATERAL HORIZONTAL WELL[J]. 西南石油大学学报(自然科学版), 2009, 31(3): 107-109.

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[2]	石书灿李玉魁倪小明. 煤层气竖直压裂井与多分支水平井生产特征[J]. 西南石油大学学报(自然科学版), 2009, 31(1): 48-52.

分支水平井连续冲砂工艺技术研究

THE RESEARCH ON CONTINUOUS SAND WASHING TECHNOLOGY IN MULTILATERAL HORIZONTAL WELL

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