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    • 3. 发明申请
    • Additive for increasing the density of a fluid for casing annulus pressure control
    • 用于增加套管环空压力控制的流体密度的添加剂
    • US20050101492A1
    • 2005-05-12
    • US11015124
    • 2004-12-17
    • Andrew BradburyChristopher SawdonSonny ClaryWilliam ReidTom Heinz
    • Andrew BradburyChristopher SawdonSonny ClaryWilliam ReidTom Heinz
    • B41F31/00B41F31/02B41F31/07B41F31/26E21B43/00G03C1/00
    • B41F31/26B41F31/027Y10S507/906
    • A method of controlling the pressure of a casing annulus in a subterranean well that includes injecting into the casing annulus a composition including a base fluid and a polymer coated colloidal solid material. The polymer coated colloidal solid material includes: a solid particle having an weight average particle diameter (d50) of less than two microns, and a polymeric dispersing agent coated onto the surface of the solid particle during the cominution (i.e. grinding) process utilized to make the colloidal particles. The polymeric dispersing agent may be a water soluble polymer having a molecular weight of at least 2000 Daltons. The solid particulate material may be selected from materials having of specific gravity of at least 2.68 and preferably the solid particulate material may be selected from barium sulfate (barite), calcium carbonate, dolomite, ilmenite, hematite, olivine, siderite, strontium sulfate, combinations and mixtures of these and other similar solids that should be apparent to one of skill in the art.
    • 一种控制地下井中的壳体环的压力的方法,其包括向壳体环空注入包含基础流体和聚合物涂覆的胶态固体材料的组合物。 聚合物涂覆的胶体固体材料包括:具有小于2微米重量平均粒径(d <50 )的固体颗粒和在共混期间涂覆在固体颗粒表面上的聚合物分散剂 (即研磨)工艺用于制备胶体颗粒。 聚合物分散剂可以是分子量至少为2000道尔顿的水溶性聚合物。 固体颗粒材料可以选自具有至少2.68的比重的材料,并且优选固体颗粒材料可以选自硫酸钡(重晶石),碳酸钙,白云石,钛铁矿,赤铁矿,橄榄石,菱铁矿,硫酸锶,组合 以及这些和其他类似固体的混合物,其对于本领域技术人员应该是显而易见的。
    • 5. 发明授权
    • Ink pan for a rotogravure printing press
    • 油墨盘,用于轮转凹版印刷机
    • US07243600B1
    • 2007-07-17
    • US11416558
    • 2006-05-03
    • Steven E. Boettcher
    • Steven E. Boettcher
    • B41F1/08B41F31/07
    • B41F31/07B41F31/08B41P2251/10
    • An ink pan for a rotogravure printing press has a reservoir and a dam. The dam is located within the reservoir and divides the reservoir into an intake section and an outtake section. A gate is within the dam. The gate has an open position and a closed position. When the gate is closed the dam maintains an ink in the intake section until the ink exceeds a depth greater than the height of the dam, and then the ink flows over the dam into the outtake section. When the gate is in an open position the gate allows ink in the intake section to be emptied into the outtake section.
    • 用于轮转凹版印刷机的墨水盘具有储存器和坝。 大坝位于水库内,将水库分为进气段和出油段。 一座大门在大坝内。 门有一个开放位置和一个关闭的位置。 当门关闭时,大坝在进气部分保持墨水,直到墨水超过大于坝的高度的深度,然后墨水流过大坝进入出口部分。 当门处于打开位置时,门允许进气部分的墨水排空到出口部分。
    • 6. 发明授权
    • Inking apparatus for use in printing press
    • 用于印刷机的印刷装置
    • US5749293A
    • 1998-05-12
    • US623527
    • 1996-03-29
    • Hisaki OtaTakamasa Nakamura
    • Hisaki OtaTakamasa Nakamura
    • B41F9/16B41F9/06B41F31/06B41F31/20B41F31/07
    • B41F9/061
    • In an inking apparatus for use in a printing press, an ink pan located below a plate cylinder is separated into a first part which accommodates a furnisher roll for furnishing ink and a second part which receives contaminated ink containing foreign substance scraped off a doctor blade. In order to prevent the ink within the second part from flowing directly into the first part, partitions are provided, or alternatively the second part is positioned lower than the first part, or alternatively the first part and the second part are comprised of two separate receptacles. The supply of ink to the plate cylinder may be carried out by any suitable means other than the furnisher roll. The ink pan may be configured in the form of an exclusive receptacle adapted to receive only the contaminated ink containing foreign substance scraped off the doctor blade, the supply of ink to the plate cylinder being effected without passing through the ink pan. Thus, high-grade quality ink to be supplied to the plate cylinder is prevented from contamination.
    • 在用于印刷机的上墨装置中,位于印版滚筒下方的墨水盘分离成容纳用于提供墨水的装饰辊的第一部分和接收从刮刀刮下的含异物的受污染墨水的第二部分。 为了防止第二部分内的油墨直接流入第一部分,设有隔板,或者第二部分位于第一部分的下方,或者第一部分和第二部分由两个独立的容器 。 向印版滚筒供应墨水可以通过除了装饰辊之外的任何合适的方式进行。 墨水盘可以被配置成专用容器的形式,其仅适于仅接收从刮刀刮下的含有异物的受污染的墨水,在不通过墨盘的情况下向印版滚筒供应墨水。 因此,防止供应到印版滚筒的高品质油墨被污染。