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公开(公告)号：US20180371848A1
公开(公告)日：2018-12-27
申请号：US16017676
申请日：2018-06-25
IPC分类号： E21B17/10 , E21B47/00 , E21B17/00 , E21B17/16 , E21B47/12 , E21B47/01 , E21B7/00 , E21B23/02 , E21B23/01 , E21B47/18
摘要： An assembly for use in subsurface drilling includes a downhole downhole probe supported by a centralizer. The centralizer comprises a tubular member that extends around the downhole probe. A wall of the centralizer is fluted to provide inward contact points that support the downhole probe and outward contact points that bear against a bore wall of a section of drill string. The downhole probe may be supported for substantially its entire length.
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公开(公告)号：US10006257B2
公开(公告)日：2018-06-26
申请号：US14441130
申请日：2013-11-06
IPC分类号： E21B47/01 , E21B17/10 , E21B17/16 , E21B23/01 , E21B23/02 , E21B47/00 , E21B7/00 , E21B47/12 , E21B17/00 , E21B47/18
CPC分类号： E21B17/1078 , E21B7/00 , E21B17/00 , E21B17/003 , E21B17/16 , E21B23/01 , E21B23/02 , E21B47/00 , E21B47/01 , E21B47/011 , E21B47/122 , E21B47/123 , E21B47/18
摘要： An assembly for use in subsurface drilling includes a downhole probe supported by a centralizer. The centralizer comprises a tubular member that extends around the downhole probe. A wall of the centralizer is fluted to provide inward contact points that support the downhole probe and outward contact points that bear against a bore wall of a section of drill string. The downhole probe may be supported for substantially its entire length.
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公开(公告)号：US20170306709A1
公开(公告)日：2017-10-26
申请号：US15518393
申请日：2014-12-11
摘要： A sub, downhole tool, and method for manufacturing thereof, are disclosed. The sub may include one or more flow channels, each of which may be defined in part by a longitudinal groove formed along an exterior of a collar. One or more flow channel cover may be connected to the collar. The longitudinal grooves position the flow channels further outward to provide more volume within the collar that may be used for housing one or more devices. Upper and lower blind bores are fluidly coupled to the longitudinal grooves by angled through bores to complete the flow channels. A medial bore, which may be fluidly isolated from the flow channels, may be provided to house a device, such as an instrument, detector, or circuitry.
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公开(公告)号：US20170285213A1
公开(公告)日：2017-10-05
申请号：US15476512
申请日：2017-03-31
发明人： KARL EDLER , STEVE BRAISHER
摘要： Tools and methods for measuring resistivity are provided. The tool for measuring resistivity in a formation comprises a receiver module comprising a first electromagnetic signal receiver and a second electromagnetic signal receiver; a first electromagnetic signal transmitter removably coupled to one longitudinal end of the receiver module; a second electromagnetic signal transmitter removably coupled to the other longitudinal end of the receiver module; and each of the first and the second electromagnetic signal receivers configured to receive electromagnetic signals propagating in the formation from the first and the second electromagnetic signal transmitters.
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公开(公告)号：US20170254158A1
公开(公告)日：2017-09-07
申请号：US15461876
申请日：2017-03-17
CPC分类号： E21B17/16 , E21B17/04 , E21B17/1028 , E21B17/1064 , E21B17/1078 , E21B17/1085
摘要： In one embodiment, a wear band comprises a rotating element having a bore receivable on a tubular, the bore comprising first and second bore portions slidably receiving first and second sleeve bearings. Outer surfaces of the sleeve bearings slidably engage the bore portions and the bores of the sleeve bearings slidably engage the tubular. A first and a second stop collars may be received on the tubular to together straddle the rotating element and sleeve bearings to longitudinally secure the rotating element in a position on the tubular. The tubular may be included within a tubular string run into a borehole or into the bore of an installed casing, such as in casing while drilling. The rotating element provides stand-off between a tubular and the wall of a bore, reduces frictional resistance to longitudinal sliding and also to rotation of the tubular string within the bore.
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公开(公告)号：US20170067138A1
公开(公告)日：2017-03-09
申请号：US15258710
申请日：2016-09-07
申请人： Scoperta, Inc.
发明人： James Vecchio , Justin Lee Cheney
CPC分类号： C22C38/38 , C21D2211/001 , C21D2211/004 , C22C37/06 , C22C37/08 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/36 , C22C38/44 , C22C38/46 , C22C38/56 , C22C38/58 , E21B17/00
摘要： Disclosed herein are embodiments of non-magnetic, strong carbide forming alloys. In particular, the alloys can be advantageously used for powder manufacturing. Embodiments of the disclosure can have low FCC-BCC transition temperatures in combination with hard particles having a hardness of 1000 Vickers or greater. The alloys can be used in conjunction with, for example, drill pipe tool joints, drill collars, down hole stabilizers, or oilfield components, particularly as a hardbanding component.
摘要翻译： 本文公开了非磁性，强碳化物形成合金的实施例。 特别地，合金可以有利地用于粉末制造。 本公开的实施方案可以具有低FCC-BCC转变温度与硬度为1000维度或更高的硬颗粒的组合。 合金可以与例如钻杆工具接头，钻铤，井下稳定器或油田部件，特别是作为加固组件一起使用。
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87.发明申请公开(公告)号：US20160340985A1
公开(公告)日：2016-11-24
申请号：US15106477
申请日：2014-12-22
发明人： Thomas DIDRY
CPC分类号： E21B17/1085 , B23K9/046 , B23K9/126 , B23K9/173 , B23K2101/002 , B23K2101/20 , E21B17/00 , E21B17/16
摘要： A drill-string liner element includes at least one hardbanding layer. The hardbanding layer includes one or more strands of filler metal, each having a width between 1 and 5 millimeters and deposited in adjacent manner to form a substantially continuous layer over a zone of the element. The hardness in the thickness of the layer varies by less than 10 HRC over the zone.
摘要翻译： 钻柱衬垫元件包括至少一个加固层。 加固层包括一根或多根填充金属线，每条线的宽度为1至5毫米，并以相邻的方式沉积，以在元件的区域上形成基本上连续的层。 该层厚度的硬度在该区域上变化小于10HRC。
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公开(公告)号：US09488015B2
公开(公告)日：2016-11-08
申请号：US14073757
申请日：2013-11-06
IPC分类号： E21B17/10 , E21B17/16 , E21B23/01 , E21B23/02 , E21B47/00 , E21B47/01 , E21B7/00 , E21B47/12 , E21B17/00
摘要： An assembly for use in subsurface drilling includes a downhole probe supported by a centralizer. The centralizer comprises a tubular member that extends around the downhole probe. A wall of the centralizer is fluted to provide inward contact points that support the downhole probe and outward contact points that bear against a bore wall of a section of drill string. The downhole probe may be supported for substantially its entire length.
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公开(公告)号：US20150315900A1
公开(公告)日：2015-11-05
申请号：US14650502
申请日：2012-12-07
CPC分类号： E21B47/01 , E21B17/1007 , E21B17/1078 , E21B17/16 , E21B47/011
摘要： A method for using a downhole probe. The method comprises providing a probe, at least one vertical cross section of the probe having an area of at least pi inches squared. The method further comprises inserting the probe into a bore of a drill collar and passing a drilling fluid through the bore of drill collar at a flow velocity of less than 41 feet per second.
摘要翻译： 一种使用井下探头的方法。 该方法包括提供探针，所述探针的至少一个垂直横截面具有至少pi英寸平方的面积。 该方法还包括将探头插入钻铤的孔中，并以小于41英尺/秒的流速使钻井液穿过钻铤的钻孔。
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90.发明申请HIGH FREQUENCY SURFACE TREATMENT METHODS AND APPARATUS TO EXTEND DOWNHOLE TOOL SURVIVABILITY 审中-公开高频表面处理方法和设备，以扩大井下工具的生存性公开(公告)号：US20140008057A1
公开(公告)日：2014-01-09
申请号：US14023055
申请日：2013-09-10
IPC分类号： E21B17/10 , E21B17/16 , E21B43/116 , E21B17/20
CPC分类号： E21B17/1085 , C21D1/613 , C21D7/06 , C21D9/14 , E21B17/16 , E21B17/20 , E21B43/116
摘要： A downhole device with compressive layer at the surface thereof. Such devices may be particularly well suited for survivability in the face of potentially long term exposure to a downhole environment. Techniques for forming protective compressive layers at the surfaces of such devices may include positioning devices within a chamber for bombardment by high frequency particles. As a manner of enhancing the compressive layer thickness and effectiveness, low temperature conditions may be applied to the device during the high frequency treatment.
摘要翻译： 在其表面具有压缩层的井下装置。 这样的装置可能特别适合面对可能长期暴露于井下环境的生存能力。 在这种装置的表面上形成保护性压缩层的技术可以包括在室内定位装置，以便由高频颗粒轰击。 作为增强压缩层厚度和有效性的方式，在高频处理期间可能会对器件施加低温条件。
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