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2013 (Vol. 6, Issue: 02)
Article Information:

Design and Test of Drilling and Completion Experimental System with Supercritical Carbon Dioxide

Du Yu-Kun, Wang Rui-He, Ni Hong-Jian and Yue Wei-Min
Corresponding Author:  Du Yu-Kun 

Key words:  Carbon dioxide, completion, drilling, supercritical, , ,
Vol. 6 , (02): 320-324
Submitted Accepted Published
October 31, 2012 December 22, 2012 June 10, 2013

Supercritical Carbon dioxide (SC-CO2) has many excellent properties, such as high rock-breaking efficiency, strong dissolved performance and good displacement efficiency. It is a high-efficiency fluid to exploit coal-bed methane, shale gas, heavy oil, low permeability reservoirs and other unconventional oil and gas reservoirs. Using SC-CO2 jet to break formation rock assisted the drill bit can get several times the penetration rate of conventional drilling and effectively enhance the oil recovery while achieving an initiative reduction of greenhouse gas by storing the CO2 underground in the proper unconventional reservoirs. The functions and process of drilling and completion experimental system are designed based on the SC-CO2 fluid properties and the actual operation conditions. Tests find that the remote control of the system is reliable, pressurization process is steady, sealing and operating performances are excellent. The system can effectively simulate the actual drilling and completion process with SC-CO2. The rock-breaking performance of SC-CO2 is much better than high pressure water jet which verifies the application superiority of SC-CO2 in rock-breaking drilling. The research lays basis for the development of SC-CO2 drilling and completion technology.
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  Cite this Reference:
Du Yu-Kun, Wang Rui-He, Ni Hong-Jian and Yue Wei-Min, 2013. Design and Test of Drilling and Completion Experimental System with Supercritical Carbon Dioxide.  Research Journal of Applied Sciences, Engineering and Technology, 6(02): 320-324.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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