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    • 1. 发明授权
    • Remote down-hole well telemetry
    • 远程井下井测遥测
    • US06766141B1
    • 2004-07-20
    • US10187025
    • 2002-06-28
    • Scott D. BrilesDaniel L. NeagleyDon M. CoatesSamuel M. Freund
    • Scott D. BrilesDaniel L. NeagleyDon M. CoatesSamuel M. Freund
    • H04B1302
    • H04B1/38G01S13/756H01Q3/2647H01Q3/46
    • The present invention includes an apparatus and method for telemetry communication with oil-well monitoring and recording instruments located in the vicinity of the bottom of gas or oil recovery pipes. Such instruments are currently monitored using electrical cabling that is inserted into the pipes; cabling has a short life in this environment, and requires periodic replacement with the concomitant, costly shutdown of the well. Modulated reflectance, a wireless communication method that does not require signal transmission power from the telemetry package will provide a long-lived and reliable way to monitor down-hole conditions. Normal wireless technology is not practical since batteries and capacitors have to frequently be replaced or recharged, again with the well being removed from service. RF energy generated above ground can also be received, converted and stored down-hole without the use of wires, for actuating down-hole valves, as one example. Although modulated reflectance reduces or eliminates the loss of energy at the sensor package because energy is not consumed, during the transmission process, additional stored extra energy down-hole is needed.
    • 本发明包括一种用于与位于气体或油回收管道底部附近的油井监测和记录仪器进行遥测通信的装置和方法。 目前使用插入管道的电缆来监测这些仪器; 电缆在这种环境下寿命短,需要定期更换,并伴随着昂贵的关闭井。 调制反射率,不需要来自遥测包装的信号传输功率的无线通信方法将提供长期可靠的监测井下条件的方法。 正常的无线技术是不实际的,因为电池和电容器必须经常被更换或充电,再次从维护中恢复正常。 作为一个示例,地面上产生的RF能量也可以被接收,转换和存储在井下而不使用电线,用于致动井下阀。 尽管调制的反射率降低或消除了传感器封装处的能量损失,因为能量不被消耗,但在传输过程中,需要另外存储的额外的能量下钻孔。
    • 7. 发明授权
    • Laser-induced photochemical enrichment of boron isotopes
    • 激光诱导的硼同位素光化学富集
    • US3996120A
    • 1976-12-07
    • US648346
    • 1976-01-12
    • Samuel M. FreundJoseph J. Ritter
    • Samuel M. FreundJoseph J. Ritter
    • B01D59/34B01J19/12B01J1/10C01B35/06
    • B01J19/121B01D59/34Y10S423/07
    • A boron trichloride starting material containing both boron-10 isotopes andoron-11 isotopes is selectively enriched in one or the other of these isotopes by a laser-induced photochemical method involving the reaction of laser-excited boron trichloride with either H.sub.2 S or D.sub.2 S. The method is carried out by subjecting a low pressure gaseous mixture of boron trichloride starting material and the sulfide to infrared radiation from a carbon dioxide TE laser. The wave length of the radiation is selected so as to selectively excite one or the other of boron-10 BCl.sub.3 molecules or boron-11 BCl.sub.3 molecules, thereby making them preferentially more reactive with the sulfide. The laser-induced reaction produces both a boron-containing solid phase reaction product and a gaseous phase containing mostly unreacted BCl.sub.3 and small amounts of sulfhydroboranes. Pure boron trichloride selectively enriched in one of the isotopes is recovered as the primary product of the method from the gaseous phase by a multi-step recovery procedure. Pure boron trichloride enriched in the other isotope is recovered as a secondary product of the method by the subsequent chlorination of the solid phase reaction product followed by separation of BCl.sub.3 from the mixture of gaseous products resulting from the chlorination.
    • 含有硼-10同位素和硼-11同位素的三氯化硼原料通过激光诱导的光化学方法选择性地富集在这些同位素中的一种或另一种中,所述光化学方法涉及激光激发的三氯化硼与H2S或D2S的反应。 该方法通过使三氯化硼起始材料和硫化物的低压气体混合物经受来自二氧化碳TE激光的红外辐射来进行。 选择辐射的波长以选择性地激发硼-10BCl 3分子或硼-11BCl 3分子中的一个或另一个,从而使它们优先与硫化物更具反应性。 激光诱导反应产生含硼固相反应产物和大部分未反应的BCl 3和少量磺基氢硼烷的气相。 选择性富集一种同位素的纯三氯化硼通过多步骤回收方法从气相中回收作为该方法的主要产物。 通过随后氯化固相反应产物,然后从氯化得到的气态产物的混合物中分离BCl3,回收富含另一同位素的纯三氯化硼作为该方法的次要产物。