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    • 3. 发明申请
    • TUBULAR STRENGTHENING AND PATTERNING METHOD FOR ENHANCED HEAT TRANSFER
    • 强化传热的管式加固和图案化方法
    • WO2017095927A1
    • 2017-06-08
    • PCT/US2016/064221
    • 2016-11-30
    • BAKER HUGHES INCORPORATED
    • LEHR, JoergVON WILAMOWITZ-MOELLENDORFF, ElisabethROSENBLATT, Steve
    • E21B41/00B23K26/364B23K101/04
    • C21D9/08B21D9/00B23K15/08B23K26/0087B23K26/359C21D1/18E21B17/00E21B29/02E21B36/00E21B43/2406F28F1/426
    • A process for hardening tubulars and increasing their surface area for heat transfer can be performed in place in a borehole or on the surface. A pattern is applied to an interior wall with at laser, electron beam or radiation source that is remotely controlled to apply the hardening partem to the inside or outside wall as inert gas or clean fluid is applied. Pressure differential is applied to the wall so that the non-hardened portions or the negative of the hardened pattern plastically or elastically deform to increase surface area and enhance load resistance of tubular or sheets. Alternatively, wall differential pressure is applied with an insert having a raised pattern on its exterior surface causing the spaces where the pattern is absent to plastically deform to enhance surface area. When done in a borehole annulus pressure or stand pipe pressure is applied or a vacuum is pulled inside the tubular to generate differential pressure for hydro-forming or switching dents in an opposite stable condition. The insert can be removed mechanically, or by dissolving or disintegration. Geothermal and SAGD applications are envisioned.
    • 可以在钻孔中或在表面上就地实施用于硬化管件并增加其传热表面积的工艺。 使用激光,电子束或辐射源对内壁施加图案,该激光束,电子束或辐射源被遥控,以在施加惰性气体或清洁流体时将硬化部分施加到内壁或外壁。 将压力差施加到壁上,使得硬化图案的未硬化部分或负极塑性或弹性变形以增加表面积并增强管状或片材的耐负荷性。 或者,壁压差与在其外表面上具有凸起图案的插入物一起施加,从而导致图案不存在的空间塑性变形以增加表面积。 当在井眼环空中完成时,施加压力或立管压力或者在管内拉动真空以在相反的稳定条件下产生用于液压成形或开关凹陷的压差。 插入件可以机械地移除,或通过溶解或分解。 设想地热和SAGD应用。
    • 8. 发明申请
    • LOCATING MUTIPLE WELLBORES
    • 定位多个井
    • WO2016108857A1
    • 2016-07-07
    • PCT/US2014/072797
    • 2014-12-30
    • HALLIBURTON ENERGY SERVICES, INC.
    • DONDERICI, BurkayGUNER, Baris
    • E21B47/09E21B47/02G01V3/18
    • E21B47/02216E21B7/04E21B43/2406E21B47/024E21B47/04E21B47/0905E21B47/122G01V3/20G01V3/26
    • Methods and systems are described that can be used for locating conductive bodies such as wellbore casing or piping disposed below the earth's surface. An electrical current can be excited in a conductive body in each wellbore in a given area to produce a magnetic field, and the magnetic field can be detected by a ranging tool. Location and current parameters can be determined for an estimated number of wellbores producing non-negligible contributions to the magnetic field, and the estimated number of wellbores can be adjusted until the number of contributing wellbores is determined. Location solutions can be returned for each of the contributing wellbores, and the location solutions can be employed to facilitate exploration of drilling applications such as well avoidance, well intersection and/or steam assisted gravity drainage (SAGD) steering operations.
    • 描述了可用于定位导电体的方法和系统,例如设置在地球表面下方的井眼套管或管道。 可以在给定区域中的每个井筒中的导电体中激发电流以产生磁场,并且可以通过测距工具来检测磁场。 可以确定估计数量的对磁场产生不可忽略的贡献的井筒的位置和当前参数,并且可以调整估计的井眼数量,直到确定贡献井筒的数量。 可以为每个贡献的井筒返回位置解决方案,并且可以采用位置解决方案来促进钻探应用的探索,例如避免,井口交叉和/或蒸汽辅助重力排水(SAGD)转向操作。
    • 10. 发明申请
    • WELL RANGING APPARATUS, SYSTEMS, AND METHODS
    • 良好的测距装置,系统和方法
    • WO2016025241A1
    • 2016-02-18
    • PCT/US2015/043604
    • 2015-08-04
    • HALLIBURTON ENERGY SERVICES, INC.
    • WU, Hsu-HsiangDONDERICI, Burkay
    • E21B47/022E21B47/09G01V3/18
    • E21B47/02216E21B7/04E21B33/14E21B43/2406E21B47/024E21B47/12E21B47/122E21B47/18G01V3/26G01V99/005G06F17/11
    • Disclosed embodiments include well ranging apparatus, systems, and methods which operate to measure electromagnetic field strength components associated with an electromagnetic field originating at a first well, via direct transmission or backscatter transmission, using at least one ranging electromagnetic field strength sensor attached to a housing, to provide ranging measurements. Further activities may include obtaining distorting field strength measurements using one or more reference electromagnetic field strength sensors, which may form or be attached in a closed loop path around the housing; and determining an approximate range between the first well and a second well in which the ranging electromagnetic field strength sensors are disposed, based on the ranging measurements and the distorting field strength measurements. Additional apparatus, systems, and methods are disclosed.
    • 公开的实施例包括测距仪器,系统和方法,其操作以通过连接到壳体的至少一个测距电磁场强度传感器,经由直接传输或反​​向散射传输来测量与源自第一井的电磁场相关联的电磁场强度分量 ,提供测距。 进一步的活动可以包括使用一个或多个参考电磁场强度传感器获得扭曲的场强测量,其可以形成或附接在围绕壳体的闭环路径中; 并且基于所述测距测量和所述失真场强测量,确定所述测量电磁场强度传感器设置在所述第一阱和第二阱之间的近似范围。 公开了附加装置,系统和方法。