公开(公告)号：EP2795374B1

公开(公告)日：2016-07-06

申请号：EP12860212.5

申请日：2012-12-19

申请人： Services Pétroliers Schlumberger ,  Schlumberger Technology B.V. ,  Schlumberger Holdings Limited ,  PRAD Research and Development Limited

发明人： LULING, Martin, G. ,  LEVITT, Ben ,  POITZSCH, Martin ,  BOTTO, Tancredi

IPC分类号： G01V7/00

CPC分类号： G01V5/12 ,  G01V7/00

公开(公告)号：EP2795374A1

公开(公告)日：2014-10-29

申请号：EP12860212.5

申请日：2012-12-19

申请人： Services Pétroliers Schlumberger ,  Schlumberger Technology B.V. ,  Schlumberger Holdings Limited ,  PRAD Research and Development Limited

发明人： LULING, Martin, G. ,  LEVITT, Ben ,  POITZSCH, Martin ,  BOTTO, Tancredi

IPC分类号： G01V7/00

CPC分类号： G01V5/12 ,  G01V7/00

摘要： Systems and methods are provided for determining a property, e.g., density, of a geological formation based on Einstein's theory of gravitation. A gravitational potential difference is determined between two positions of the geological formation by measuring a frequency shift of radiation travelling from a source to an absorber of a differential gravimeter. The differential gravimeter can be a part of a downhole tool. The gravitational potential difference determined can be used to determine the property of the geological formation.

公开(公告)号：EP2189048A1

公开(公告)日：2010-05-26

申请号：EP08830644.4

申请日：2008-09-15

申请人： Services Pétroliers Schlumberger ,  Schlumberger Holdings Limited ,  Schlumberger Technology B.V. ,  PRAD Research And Development Limited

发明人： BOTTO, Tancredi ,  POITZSCH, Martin

IPC分类号： H05H15/00

CPC分类号： H05H15/00 ,  H01P1/2005

摘要： A particle accelerator device structured and arranged for use in a subterranean environment. The particle accelerator device comprising: one or more resonant Photonic Band Gap (PBG) cavity, the one or more resonant PBG cavity is capable of providing localized, resonant electro-magnetic (EM) fields so as to one of accelerate, focus or steer particle beams of one of a plurality of electrons or a plurality of ions. Further, the particle accelerator device may provide for the one or more resonant PBG cavity to include a geometry and one or more material that is optimized in terms of RF power losses, wherein the optimization provides for a PBG cavity quality factor significantly higher than that of an equivalent normally conducting pill-box cavity.

摘要翻译： 构造和布置用于地下环境的颗粒加速装置。 所述粒子加速器装置包括：一个或多个共振光子带隙（PBG）腔，所述一个或多个谐振PBG腔能够提供局部的共振电磁场（EM）场，以便加速，聚焦或转向粒子之一 多个电子中的一个或多个离子的光束。 此外，粒子加速器装置可以提供一个或多个谐振PBG腔以包括在RF功率损耗方面优化的几何形状和一种或多种材料，其中优化提供了明显高于RF功率损耗的PBG腔质量因子 相当于正常导电的药丸腔。