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tripping and filling drilling fluid unit
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tripping and filling drilling fluid unit
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tripping and filling drilling fluid unit
起钻灌钻井液装置
钻井起钻过程中为保持静液柱与地层压力平衡,避免溢流、井涌、井喷等事故,当起出部分钻具造成井内液面下降、静液柱压力降低时及时向井内灌注钻井液重建压力平衡的一类油田安全装置。
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maximal path-connected subspace
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maximal prime divisor
maximal prime ideal
maximal principle
maximal property
maximal rank
maximal regular function
maximal regularity
maximal Riemann surface
maximal right ideal
maximal ring
maximal ring of quotients
maximal R-order
maximal separable extension
maximal separable field
maximal set
maximal slice
maximal solution
maximal solvable subgroup
maximal space
maximal spectral measure
maximal spectral type
maximal spectrum
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更新时间:2026/1/12 17:49:30