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发明授权
US06110874A Non-toxic, inexpensive synthetic drilling fluid 有权
无毒，便宜的合成钻井液

Non-toxic, inexpensive synthetic drilling fluid
摘要：
A non-toxic, inexpensive synthetic fluid for use in wellbore fluids (e.g., drilling fluids) is selected from the group consisting of (A) fluids having (I) a pour point greater than about -30.degree. C. (-22.degree. F.) and (II) a cetane index greater than 50, and comprising (i) at least about 95 weight percent hydrocarbons containing 11 or more carbon atoms, (ii) greater than 5 weight percent hydrocarbons containing 18 or more carbon atoms, (iii) at least about 50 weight percent isoparaffins, (iv) at least about 90 weight percent total paraffins, (v) about 1 or less weight percent naphthenics, (vi) less than 0.1 volume percent aromatics, and (vii) at least 2 hydrocarbons containing a consecutive number of carbon atoms, and (B) fluids comprising (i) at least about 95 weight percent hydrocarbons containing 10 or more carbon atoms and (ii) at least about 90 weight percent n-paraffins.
摘要（中）：

用于井筒流体（例如钻井液）的无毒，便宜的合成流体选自（A）具有（I）倾点大于约-30℃的流体（-22°F ）和（II）大于50的十六烷指数，并且包含（i）至少约95重量％的含有11个或更多个碳原子的烃，（ii）大于5重量％的含有18个或更多个碳原子的烃，（iii ）至少约50重量％的异链烷烃，（iv）至少约90重量％的总链烷烃，（v）约1重量％或更少重量百分比的环烷烃，（vi）少于0.1体积％的芳族化合物，和（vii） 其包含连续数目的碳原子，和（B）流体，其包含（i）至少约95重量％的含有10个或更多个碳原子的烃和（ii）至少约90重量％的正链烷烃。

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