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The Technology of Nitrogen Foam Unbalanced Drilling Horizontal Wells in Daniudi Gas Field

Author: HuangWei
Tutor: TangShengLi；WangZhenFu
School: Xi'an University of Science and Technology
Course: Mineral prospecting and exploration
Keywords: Nitrogen foam Less balanced horizontal drilling Drilling fluid density Negative pressure
CLC: P634
Type: Master's thesis
Year: 2010
Downloads: 165
Quote: 0
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Abstract


With the world's oil and gas industry exploration and development of the situation is grim , due to the demand of the balance horizontal drilling technology is more and more urgent. Daniudi gas field low-voltage, low permeability gas reservoir exploration and development challenges , reservoir geological features , targeted to carry out Daniudi gas field nitrogen foam underbalanced drilling technology research . The departure from Daniudi Gas Field gas reservoir characteristics , to study the damage mechanism and protective measures of Xiashihezi the the gas Xiashihezi protection measures . At home and abroad nitrogen foam underbalanced drilling annulus portable rock theory results based on the theories and methods of use of multiphase fluid , nitrogen underbalanced drilling annulus flow theory model , the use of numerical methods to solve the model . Nitrogen foam drilling fluid and hydraulic calculation proposed bottomhole negative pressure control method suitable for field . API standard test, a foaming agent to the work area and drill the test, the blowing agent , the drill bit and BHA suitable work area . Nitrogen foam underbalanced drilling safety technology , ground equipment configuration scheme for nitrogen foam underbalanced drilling process , security, construction of Association provides a theoretical basis . Applicable to the initial formation of nitrogen foam Daniudi gas field low-voltage , low-permeability gas reservoir underbalanced drilling technology, in order to achieve industrial application of nitrogen foam underbalanced drilling technology in Daniudi gas field .

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CLC: > Astronomy,Earth Sciences > Geology > Geology, mineral prospecting and exploration > Drilling Project
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