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气侵
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气侵
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钻井液污染
释
gas cut
气侵
钻井中,特别是探井和气井作业中,钻井液被天然气或空气侵入,造成钻井液比重降低,黏度升高的现象。轻者引起井内压力不稳定,导致停钻除气,重者会造成井喷、井塌事故。
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elliptic differential equation
elliptic differential operator
elliptic discriminant
elliptic domain
elliptic element
elliptic equation
elliptic exponential function
elliptic fixed point
elliptic flow
elliptic form
elliptic function
elliptic functional
elliptic function field
elliptic function of the first kind
elliptic function of the second kind
elliptic function of the third kind
elliptic function theorem
elliptic genus
elliptic geometry
elliptic group
elliptic group modulo p
elliptic harmonic space
elliptic helicoid
elliptic homology
elliptic-hyperbolic
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