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Technology Research of Repair-free Period in Qian’an Oilfield

Author: FengZhenYu
Tutor: ZhangJiHong；LiuJinGuo
School: Northeast University of Petroleum
Course: Petroleum and Natural Gas
Keywords: Dry Daan Exemption period Corrosion
CLC: TE358
Type: Master's thesis
Year: 2010
Downloads: 54
Quote: 0
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Abstract


Dry Daan a typical low oil field , by the depth of corrosion and scaling , wear, aging equipment , and weak management infrastructure factors , wells exemption period is always not effective upgrade , has been hovering at around 350d , has restricted the Qian'an the development of the oil field . In order to fundamentally solve the technical problems stem the Daan exemption period , carried out dry Daan technical research to extend the the wells exemption period to provide theoretical and technical foundation for the further development of the dry Oilfield . In this paper, the analysis of the main factors of the dry Oilfield wells exemption period , has been the main factor is the constraints wells exemption improving corrosion and scaling , partial abrasion wear and rod tube to replace the inadequate and extended service . Measures for optimization through wear , anti-corrosion measures to optimize and anti - slag measures to optimize the comprehensive measures to optimize optimization techniques , and from 2002 to 2009 , the comprehensive measures to optimize the governance high frequency 377 operating wells , the cumulative reduction workover 1064 wells , extended oil well exemption period . The five regular supporting technology and polyethylene liner pipe supporting technology research and application , application results show that the conventional complementary measures and polyethylene lined pipe supporting technology can extend well exemption period to reduce workover Views . On the basis of the above research , through nano corrosion resistant tubing LYF- A oil production long-term corrosion and scale inhibitor and ceramic-lined pipe applications , improved downhole tool technology materials , wells corrosion , anti-wear capacity. The results of this research will extend the oil wells exemption period to provide a reliable basis , with higher economic benefits .

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CLC: > Industrial Technology > Oil and gas industry > Oil and gas development and mining > Production Engineering > Underground operations,workover
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