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    • 32. 发明授权
    • Apparatus and method for density separator for drilling fluid
    • 钻井液密度分离装置及方法
    • US09339821B2
    • 2016-05-17
    • US14214103
    • 2014-03-14
    • NATIONAL OILWELL VARCO, L.P.
    • Thomas R. Larson
    • B03C1/02B03C1/30B03C1/32B03C5/02B01D21/26E21B21/06
    • B03C1/32B01D21/26B03C1/02B03C1/023B03C1/0335B03C1/035B03C1/30B03C5/02B03C2201/18E21B21/065
    • An apparatus is disclosed for separating minerals in drilling fluid based primarily on density. The separator creates and maintains a slurry with a controllable density for separating minerals from drill cuttings. The density is controlled through the use of an electrode array. The separator comprises a primary separation chamber containing the dense slurry, and a multiple number of secondary separation chambers used to separate cuttings from the drilling fluid. The invention also contains inlet hardware allowing the mixed mineral suspension to enter the first separation chamber, and hardware allowing the three outlet (separated) streams to exit the device. One of the three outlet streams carries the minerals that have a density greater than the user selectable density set point, while the second carries the minerals that have a density less than the density set point, and the third carries clean drilling fluid.
    • 公开了一种基于密度分离钻井液中的矿物的装置。 分离器产生并保持具有可控密度的浆料,用于将矿物与钻屑分离。 通过使用电极阵列来控制密度。 分离器包括含有致密浆料的主分离室和用于将切屑与钻井液分离的多个次级分离室。 本发明还包含允许混合矿物悬浮液进入第一分离室的入口硬件以及允许三个出口(分离的)流离开设备的硬件。 三个出口流中的一个携带具有大于用户可选密度设定点的密度的矿物,而第二个输送具有小于密度设定点的密度的矿物,并且第三个携带清洁的钻井液。
    • 33. 发明申请
    • HIGH-GRADIENT PERMANENT MAGNET APPARATUS AND ITS USE IN PARTICLE COLLECTION
    • 高等级永磁电机及其在颗粒采集中的应用
    • US20160089677A1
    • 2016-03-31
    • US14867768
    • 2015-09-28
    • UT-Battelle, LLC
    • Mengdawn CHENGGerard Michael LUDTKALarry R. Avens
    • B03C1/02
    • B03C1/02B03C1/002B03C1/025B03C1/031B03C1/0332B03C1/30
    • A high-gradient permanent magnet apparatus for capturing paramagnetic particles, the apparatus comprising: (i) at least two permanent magnets positioned with like poles facing each other; (ii) a ferromagnetic spacer separating the like poles; and (iii) a magnetizable porous filling material in close proximity to the at least two permanent magnets. Also described is a method for capturing paramagnetic particles in which a gas or liquid sample containing the paramagnetic particles is contacted with the high-gradient permanent magnet apparatus described above; wherein, during the contacting step, the gas or liquid sample contacts the magnetizable porous filling material of the high-gradient permanent magnet apparatus, and at least a portion of the paramagnetic particles in the gas or liquid sample is captured on the magnetizable porous filling material.
    • 一种用于捕获顺磁颗粒的高梯度永久磁铁装置,该装置包括:(i)至少两个定位成具有彼此面对的相同磁极的永磁体; (ii)分离相同极的铁磁隔离物; 和(iii)紧密接近所述至少两个永磁体的可磁化的多孔填充材料。 还描述了一种捕获顺磁性颗粒的方法,其中含有顺磁性颗粒的气体或液体样品与上述高梯度永磁体装置接触; 其中,在所述接触步骤期间,所述气体或液体样品接触所述高梯度永久磁铁装置的可磁化多孔填充材料,并且所述气体或液体样品中的至少一部分顺磁性颗粒被捕获在所述可磁化多孔填充材料 。