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    • 5. 发明申请
    • METHODS AND SYSTEMS FOR SUPPRESSING CORROSION OF METAL SURFACES
    • 用于抑制金属表面腐蚀的方法和系统
    • WO2016089391A1
    • 2016-06-09
    • PCT/US2014/068370
    • 2014-12-03
    • HALLIBURTON ENERGY SERVICES, INC.
    • REYES, Enrique AntonioPASCARELLA, Natalie LynnBEUTERBAUGH, Aaron M.
    • E21B43/27
    • C09K8/54C09K8/035C09K8/528C09K8/56C09K8/62C09K8/74C09K2208/32C23F11/04C23F11/1676E21B17/01E21B37/06E21B41/02E21B43/25
    • Certain metal surfaces are often unable to be effectively contacted with fluids containing hydrofluoric acid due to significant corrosion issues. Titanium and titanium alloy surfaces represent but one example. Corrosion inhibitor compositions comprising an N-(phosphonoalkyl)iminodiacetic acid or any salt thereof can be used to suppress metal corrosion, including that taking place on titanium and titanium alloy surfaces. Methods for suppressing corrosion of a metal surface can comprise: contacting a metal surface with a corrosive environment, the corrosive environment comprising hydrofluoric acid; introducing a corrosion inhibitor composition to the corrosive environment, the corrosion inhibitor composition comprising an N-(phosphonoalkyl)iminodiacetic acid or any salt thereof; contacting the metal surface with the corrosion inhibitor composition; and allowing the corrosion inhibitor composition to suppress corrosion of the metal surface being contacted by the corrosive environment.
    • 由于显着的腐蚀问题,某些金属表面通常不能与包含氢氟酸的流体有效接触。 钛和钛合金表面仅仅是一个例子。 可以使用包含N-(膦酰基烷基)亚氨基二乙酸或其任何盐的腐蚀抑制剂组合物来抑制金属腐蚀,包括发生在钛和钛合金表面上。 抑制金属表面腐蚀的方法可以包括:使金属表面与腐蚀性环境接触,腐蚀环境包含氢氟酸; 将腐蚀抑制剂组合物引入到腐蚀性环境中,所述腐蚀抑制剂组合物包含N-(膦酰基烷基)亚氨基二乙酸或其任何盐; 使金属表面与腐蚀抑制剂组合物接触; 并且允许腐蚀抑制剂组合物抑制与腐蚀环境接触的金属表面的腐蚀。
    • 8. 发明申请
    • TREATMENT OF MICROBIAL-INFLUENCED CORROSION
    • 微生物腐蚀的处理
    • WO2016037279A1
    • 2016-03-17
    • PCT/CA2015/050871
    • 2015-09-09
    • TRICAN WELL SERVICE LTD.
    • SHERMAN, ScottBROWNLEE, Duane KevinKAKADJIAN, SarkisVENDITTO, JimFARION, Grant
    • C23F15/00E21B41/02F16L58/02C09K8/54
    • C23F11/00C09K8/54C09K2208/32E21B41/02
    • Surfaces of well servicing equipment are treated with both a biofilm remover, which can be a mechanical or chemical, and a biocide composition. The biocide composition is designed to be effective to prevent regrowth of bacteria over a period of time in which the equipment is expected to be out of service. Further, the biocide composition is designed to be compatible with the water source which is available on site for preparation of the biocide composition. If compatible, the biofilm remover and the biocide composition can be mixed together as a single treatment. The biocide is maintained within the equipment or displaced therefrom, such as with nitrogen and residual biocide composition is effective therein to prevent regrowth. Nitrogen can be maintained within the equipment until put back into service.
    • 维护良好的设备的表面用生物膜去除剂(可以是机械的或化学的)和杀生物剂组合物处理。 杀菌剂组合物被设计成有效地防止在预期设备停止使用的一段时间内细菌的再生长。 此外,杀生物剂组合物被设计成与现场可用于制备杀生物剂组合物的水源相容。 如果兼容,生物膜去除剂和杀生物剂组合物可以作为单一处理混合在一起。 杀生物剂保持在设备内或从其中移位,例如用氮气,残留的杀生物剂组合物在其中有效以防止再生长。 氮气可以保持在设备内,直到恢复使用。