Volume 45 Issue 3
May  2017
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HE Zuqing, LIANG Chengchun, PENG Hanxiu, ZHU Ming, HE Tong. Research and Tests on Horizontal Well Smart Layering Exploiting Technology in Tight Oil Reservoirs in Southern Ordos Basin[J]. Petroleum Drilling Techniques, 2017, 45(3): 88-94. DOI: 10.11911/syztjs.201703016
Citation: HE Zuqing, LIANG Chengchun, PENG Hanxiu, ZHU Ming, HE Tong. Research and Tests on Horizontal Well Smart Layering Exploiting Technology in Tight Oil Reservoirs in Southern Ordos Basin[J]. Petroleum Drilling Techniques, 2017, 45(3): 88-94. DOI: 10.11911/syztjs.201703016
shu

Research and Tests on Horizontal Well Smart Layering Exploiting Technology in Tight Oil Reservoirs in Southern Ordos Basin

  • 1.

    Sinopec Research Institute of Petroleum Engineering, Beijing, 100101, China;

  • 2.

    Sinopec North China Oil & Gas Company, Zhengzhou, Henan, 450006, China

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  • Received Date: September 06, 2016
  • Revised Date: May 11, 2017
    Graphical Abstract
    • Abstract
  • To deal with low production,low liquid and low efficiency which occur after large-scale horizontal well fracturing has been carried out to develop tight oil reservoirs in Southern Ordos Basin,and to further determine oil reservoir performance and improve the development,a number of feasible solutions and production recovery measures were determined and implemented by evaluating the potential of under-performing wells.Based on the principle of remote intelligent control,a high-performance downhole intelligent switch was developed.A smart layering exploiting technology with a low cost and a simple operation procedure was developed by applying intelligent microelectronic technology to production strings based on mechatronics,by means of a string mechanics effect calculation method used for multiple-packer combination,the deformation of smart layering exploiting string and the load in the process of water packing were calculated to avoid movement and failure of packers.This technique was tested at 5 wells.It was shown that this smart layering exploiting technology could acquire production data effectively,decrease water cut and increase production rate.Therefore it was advantageous due to its low construction cost and a convenient layer control.Further,it may be an effective technique of water production control and oil production stabilization in tight oil reservoir horizontal wells.
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