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    • 4. 发明申请
    • OPTIMIZATION OF SAMPLE CLEANUP DURING FORMATION TESTING
    • 在形成试验过程中样品清洗的优化
    • WO2012103461A3
    • 2012-11-22
    • PCT/US2012022946
    • 2012-01-27
    • BAKER HUGHES INCSTIBBE HOLGERMCEACHARN RUSSELLCERNOSEK JAMES TSELF ANTHONY DHETZ AVIGDOR
    • STIBBE HOLGERMCEACHARN RUSSELLCERNOSEK JAMES TSELF ANTHONY DHETZ AVIGDOR
    • E21B49/08G01V9/00
    • E21B49/10E21B49/08E21B49/081
    • Disclosed is a formation testing tool for extracting formation fluid from an earth formation penetrated by a borehole having a drilling fluid. The tool includes: a sample flow element configured to extract formation fluid from the formation in a sample zone; a sample zone seal forming a perimeter defining the sample zone; a contamination removal flow element configured to extract formation fluid contaminated with the drilling fluid from a contamination removal zone in the formation; a contamination removal zone seal forming a perimeter defining the contamination removal zone, which surrounds and excludes the sample zone; and a controller configured to control a sample flow rate in the sample flow element and a contamination removal flow rate in the contamination flow removal element in order to decrease an amount of time required to acquire a sample of the formation fluid having an acceptable amount of contamination.
    • 公开了一种用于从具有钻井液的井眼穿透的地层中提取地层流体的地层测试工具。 该工具包括:样品流动元件,构造成在样品区域中从地层中提取地层流体; 形成限定所述样品区的周边的样品区密封件; 污染物去除流动元件,被配置为从地层中的污染物去除区域提取被钻井液污染的地层流体; 污染物去除区域密封件,其形成围绕并排除样品区域的污染去除区域的周界; 以及控制器,被配置为控制样品流动元件中的样品流量和污染物去除元件中的污染物去除流速,以便减少获取具有可接受量污染物的地层流体样品所需的时间量 。
    • 7. 发明申请
    • COATED METAL PARTICLES TO ENHANCE OIL FIELD SHAPED CHARGE PERFORMANCE
    • 涂层金属颗粒增强油田形状充电性能
    • WO0190677A2
    • 2001-11-29
    • PCT/US0116123
    • 2001-05-18
    • BAKER HUGHES INC
    • REESE JAMES WHETZ AVIGDOR
    • F42B1/032F42B
    • F42B1/032
    • A liner (5) for a shaped charge (10) comprising powdered heavy metal tungsten coated with a metal binder coating compressively formed into a liner body. Each of the powdered heavy metal particles are substantially uniformly coated with metal binder coating. The preferred powdered heavy metal particles are comprised of tungsten. Optionally, the liner for a shaped charge includes a lubricant intermixed with the coated heavy metal particles. The metal binder coating is selected from the group consisting of copper, lead, nickel, tantalum, other malleable metals, and alloys thereof, and comprises from 40 percent to 3 percent by weight of the liner. The powdered heavy metal particles comprise from 60 percent to 97 percent by weight of the liner.
    • 一种用于成形装料(10)的衬垫(5),包括用金属粘合剂涂层涂覆的粉末状重金属钨,该金属粘结剂涂层压缩成型为衬里体。 每个粉末重金属颗粒基本均匀地涂覆有金属粘合剂涂层。 优选的粉末重金属颗粒由钨组成。 任选地,用于成形装料的衬垫包括与涂覆的重金属颗粒混合的润滑剂。 金属粘合剂涂层选自铜,铅,镍,钽,其它可锻金属及其合金,并且包含40%至3%重量的衬垫。 粉末重金属颗粒占衬里重量的60%至97%。