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    • 9. 发明授权
    • Subsea pig launcher
    • 海底猪发射器
    • US06428241B1
    • 2002-08-06
    • US09498560
    • 2000-02-04
    • Peter StrackeWilliam CleggMichael Cunningham
    • Peter StrackeWilliam CleggMichael Cunningham
    • F16L100
    • F16L55/46B08B9/055
    • A subsea pig launcher, that can launch either 1 or more pipeline pigs simultaneously. The pig launcher can be assembled on a subseas production pipeline with the aid of an ROV. In the preferred embodiment, the pigs are connected to each other and spaced apart by a spine. The pig launcher is configured to capture the next pig to be launched in such a manner that the spine behind it is in alignment with a shearing valve; for example, coiled tubing or wireline. Sequential valve operation shears the spine and applies pressure behind the pig to launch it from the launcher past the pig detector and onto a platform for recapture.
    • 一个海底猪发射器,可同时发射1只或以上的管线猪。 猪发射器可以在ROV的帮助下组装在海底生产管道上。 在优选实施例中,猪彼此连接并且被脊柱隔开。 猪发射器配置成以下述方式捕获下一只猪,使其后面的脊柱与剪切阀对齐; 例如,连续油管或钢丝绳。 顺序阀操作剪切脊椎,并在猪后施加压力,将其从发射器通过猪检测器发射到平台上以便重新捕获。
    • 10. 发明授权
    • Carrier coating and processes
    • 载体涂层和工艺
    • US5496675A
    • 1996-03-05
    • US265909
    • 1994-06-27
    • John G. Van DusenMichael CunninghamBernard A. Kelly
    • John G. Van DusenMichael CunninghamBernard A. Kelly
    • G03G9/113G03G9/087G03G9/083G03G9/107
    • G03G9/1139G03G9/1131G03G9/1134G03G9/1135G03G9/1137
    • A process for the preparation of conductive, electronegative, submicron polymeric particles comprised of a first polymer optionally containing from about 1 to about 50 percent by weight of a conductive filler and a second electronegative, contrast polymer, and wherein said conductive polymer particles with optional filler are prepared by mixing at least one monomer with a polymerization initiator, a crosslinking component and a chain transfer component; effecting bulk polymerization until from about 5 to about 50 weight percent of the monomer has been polymerized; terminating polymerization by cooling the partially polymerized monomer; adding thereto from about 1 to about 50 weight percent of a conductive filler or conductive fillers, followed by mixing thereof; dispersing the aforementioned mixture of conductive filler or fillers, and partially polymerized product in water containing a stabilizing component to obtain a suspension of particles with an average diameter of from about 0.05 to about 1 micron in water; polymerizing the resulting suspension by heating; adding a second contrast polymer emulsion, suspension or fine dispersion with high shear mixing; and optionally subsequently washing and drying the polymer particles obtained.
    • 一种用于制备导电的,负电性的亚微米聚合物颗粒的方法,所述颗粒由任选地包含约1-约50重量%的导电填料和第二电负性对比度聚合物的第一聚合物组成,并且其中所述导电聚合物颗粒具有任选的填料 通过将至少一种单体与聚合引发剂,交联组分和链转移组分混合来制备; 直到约5至约50重量%的单体已经聚合才能进行本体聚合; 通过冷却部分聚合的单体终止聚合; 加入约1至约50重量%的导电填料或导电填料,然后混合; 将上述导电填料或填料的混合物和部分聚合的产物分散在含有稳定组分的水中以获得在水中平均直径为约0.05至约1微米的颗粒的悬浮液; 通过加热使得到的悬浮液聚合; 加入第二种对比聚合物乳液,悬浮液或细分散体,高剪切混合; 并任选地随后洗涤和干燥获得的聚合物颗粒。