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    • 2. 发明授权
    • Subterranean drilling and in situ treatment of wastes using a contamination control system and methods relating thereto
    • 使用污染控制系统进行地下钻井和废物原位处理及与之相关的方法
    • US06796746B2
    • 2004-09-28
    • US10278341
    • 2002-10-22
    • James J. JessmoreGuy G. LoomisMark C. PettetMelissa C. Flyckt
    • James J. JessmoreGuy G. LoomisMark C. PettetMelissa C. Flyckt
    • E21B4100
    • B09C1/08B09B1/00E02D3/12E02D31/002
    • Systems and methods relating to subterranean drilling while maintaining containment of any contaminants released during the drilling. A thrust block installed over a zone of interest provides an overflow space for retaining any contaminants and excess sealant returns. Negative air pressure may be maintained in the overflow space by a ventilation system. Access ports in the thrust block seal the overflow space from the surrounding environment with a membrane seal. A flexible sack seal in the access port may be connected to a drill shroud prior to drilling, providing containment during drilling after the drill bit penetrates the membrane seal. The drill shroud may be adapted to any industry standard drilling rig and includes a connection conduit for connecting to the flexible sack seal and a flexible enclosure surrounding the drill shaft and of a length to accommodate full extension thereof. Upon withdrawal, the sack seal may be closed off and separated, maintaining containment of the overflow space and the drill shroud.
    • 与地下钻井有关的系统和方法,同时保持在钻井期间释放的任何污染物的容纳物。 安装在感兴趣区域上的推力块提供了一个溢出空间,用于保留任何污染物和多余的密封胶返回。 通风系统可能在溢流空间内保持负压。 推力块中的进入口用隔膜密封溢出空间与周围环境。 进入口中的柔性袋密封件可以在钻孔之前连接到钻孔罩,在钻头穿透膜密封件之后在钻孔期间提供密封。 钻孔护罩可以适用于任何工业标准的钻机,并且包括用于连接到柔性袋密封件的连接管道和围绕钻杆轴的柔性外壳,并且具有一定长度以适应其全部延伸。 取出后,袋密封件可以被封闭并分离,保持溢流空间和钻孔罩的容纳。
    • 3. 发明授权
    • Methods and system for subsurface stabilization using jet grouting
    • 使用喷射灌浆的地下稳定方法和系统
    • US5980446A
    • 1999-11-09
    • US910098
    • 1997-08-12
    • Guy G. LoomisJerry R. WeidnerRichard K. FarnsworthBradley M. GardnerJames J. Jessmore
    • Guy G. LoomisJerry R. WeidnerRichard K. FarnsworthBradley M. GardnerJames J. Jessmore
    • B09B1/00B09C1/08E02D3/12A62D3/00B09B3/00
    • B09C1/08B09B1/00E02D3/12
    • Methods and systems are provided for stabilizing a subsurface area such as a buried waste pit for either long term storage, or interim storage and retrieval. A plurality of holes are drilled into the subsurface area with a high pressure drilling system provided with a drill stem having jet grouting nozzles. A grouting material is injected at high pressure through the jet grouting nozzles into a formed hole while the drill stem is withdrawn from the hole at a predetermined rate of rotation and translation. A grout-filled column is thereby formed with minimal grout returns, which when overlapped with other adjacent grout-filled columns encapsulates and binds the entire waste pit area to form a subsurface agglomeration or monolith of grout, soil, and waste. The formed monolith stabilizes the buried waste site against subsidence while simultaneously providing a barrier against contaminate migration. The stabilized monolith can be left permanently in place or can be retrieved if desired by using appropriate excavation equipment. The jet grouting technique can also be utilized in a pretreatment approach prior to in situ vitrification of a buried waste site. The waste encapsulation methods and systems are applicable to buried waste materials such as mixed waste, hazardous waste, or radioactive waste.
    • 提供了用于稳定地下区域的方法和系统,例如用于长期储存或临时存储和回收的埋地废物坑。 用具有喷射灌浆喷嘴的钻杆的高压钻井系统将多个孔钻入地下区域。 灌浆材料通过喷射灌浆喷嘴在高压下被注入成型的孔中,同时钻杆以预定的旋转和平移速率从孔中取出。 由此形成了一个灌浆填充的柱,其最小的灌浆返回,当与其他相邻的灌浆填充的柱重叠时,封装并结合整个废物坑区以形成灌浆,土壤和废物的地下附聚或整体。 形成的整体使埋藏的废物位置稳定地抵抗沉降,同时提供阻止污染迁移的屏障。 稳定的整料可以永久保留在适当位置,如果需要,可以通过使用适当的挖掘设备来取回。 喷射灌浆技术也可以在预埋处理方法中被利用,在埋地废物现场的原位玻璃化之前。 废弃物封装方法和系统适用于混合废物,危险废物或放射性废物等埋地废物。