会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明公开
    • Depth positioning using gamma-ray correlation and downhole parameter differential
    • Tiefenpositionsbestimmung mittels Gammastrahlenkorrelation und differentnziellen Bohrlochparametern
    • EP2966258A1
    • 2016-01-13
    • EP14290206.3
    • 2014-07-10
    • Services Petroliers SchlumbergerSchlumberger Holdings LimitedSchlumberger Technology B.V.
    • Merino, CarlosRezgui, Fadhel
    • E21B47/04
    • E21B47/044E21B47/06E21B47/065E21B47/09E21B47/12E21B49/00
    • A method for determining the location of a tubular string or downhole component in a wellbore including placing a tubular string (315) into a wellbore (310) having at least one radioactive source (400), the tubular string having a depth measurement module (102) and obtaining a plurality of downhole parameter measurements, wherein at least one downhole parameter is a function of depth. The method also includes obtaining a plurality of radiation intensity measurements and determining a length change, L Δ , of the tubular string in the wellbore utilized in order to obtain the plurality of downhole parameter measurements and the plurality of radiation intensity measurements. The method also includes determining the location of the depth measurement module in the wellbore based on a correlation of the plurality of downhole parameter measurements, the plurality of radiation intensity measurements, and the length change L Δ of the tubular string in the wellbore.
    • 一种用于确定井眼中的管状管柱或井下部件的位置的方法,包括将管状管柱(315)放置在具有至少一个放射源(400)的井筒(310)中,所述管状管柱具有深度测量模块(102 )并且获得多个井下参数测量值,其中至少一个井下参数是深度的函数。 该方法还包括获得多个辐射强度测量值并确定所使用的井眼中的管柱的长度变化L“,以获得多个井下参数测量值和多个辐射强度测量值。 该方法还包括基于多个井下参数测量值,多个辐射强度测量值和井筒中的管柱长度变化L“的相关性来确定井眼中的深度测量模块的位置。
    • 9. 发明公开
    • Methods and apparatus for micro-imaging
    • Verfahren und VorrichtungfürMikrobildgebung
    • EP1882809A1
    • 2008-01-30
    • EP06291222.5
    • 2006-07-24
    • Services Pétroliers SchlumbergerSchlumberger Technology B.V.Schlumberger Holdings LimitedPRAD Research and Development N.V.
    • Rezgui, Fadhel
    • E21B47/00
    • E21B49/10E21B47/0002
    • Apparatus for investigating underground formations surrounding a borehole, comprises: a drill bit (40); an optical probe (46) having substantially the same outer diameter as the drill bit; a drive mechanism, operable to cause the drill bit to drill a hole in the formation when the apparatus is in the borehole, and to advance the optical probe into the drilled hole; and an optical system, arranged such that when the optical probe is in the drilled hole, light from a light source is directed into the optical probe, light entering the probe from the source is directed at the formation (50) around the drilled hole, and light entering the probe from the formation around the drilled hole is directed to a detector. A method of investigating underground formations surrounding a borehole, comprises: drilling a hole in the formation to be investigated using a drill bit; inserting an optical probe having substantially the same outer diameter as the drill bit into the hole; directing light from a light source to the probe; directing light entering the optical probe to the formation around the drilled hole; directing light entering the optical probe from the formation to a detector; and analysing the light received at the detector.
    • 用于调查围绕钻孔的地下地层的装置,包括:钻头(40); 光学探针(46),其具有与钻头基本相同的外径; 驱动机构,其可操作以在所述装置位于所述钻孔中时使所述钻头钻入所述地层中的孔,并且将所述光学探针推进到所述钻孔中; 以及光学系统,其布置成使得当所述光学探针在所述钻孔中时,来自光源的光被引导到所述光学探针中,从所述源进入所述探针的光被引导到围绕所述钻孔的所述地层(50) 并且从钻孔周围的地层进入探头的光被引导到检测器。 一种勘探钻孔周围的地下构造的方法,包括:使用钻头在要研究的地层中钻孔; 将具有与所述钻头基本相同的外径的光学探针插入所述孔中; 将光从光源引导到探针; 将进入光学探针的光引导到钻孔周围的地层; 将光从所述地层引导到检测器; 并分析在检测器处接收的光。