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    • 2. 发明授权
    • Optimization of survey coordinate transformations
    • 调查坐标变换优化
    • US5614913A
    • 1997-03-25
    • US476844
    • 1995-06-07
    • Mark NicholsKenneth W. McBrideIan VineyArthur TaylorRichard JacksonJohn F. Schipper
    • Mark NicholsKenneth W. McBrideIan VineyArthur TaylorRichard JacksonJohn F. Schipper
    • G01C15/00G01C21/00G01S19/04G01S19/09G01S19/46G01S5/02
    • G01C15/00G01C21/00
    • A system for selecting an optimal transformation T(G2;G1) between a first ellipsoid E1 (e.g., WGS 84) in a first global coordinate system G1, relative to which the survey measurements are made, and a second ellipsoid E2 in a second global coordinate system G2. A set of location coordinates (x'.sub.m,2, y'.sub.m,2,z'.sub.m,2) for M previously-surveyed locations, numbered m=1, . . . , M, and a set of location coordinates (x'.sub.n,1, y'.sub.n,1,z'.sub.n,1) for N presently-surveyed locations, numbered n=1, . . . , N (M.ltoreq.N) are provided, where the first M presently-surveyed locations coincide with the M previously-surveyed locations. The transformation is chosen so that the images of the location coordinates (x'.sub.n,1,y'.sub.n,1, z'.sub.n,1) for n=1, . . . , M under T(G2;G1) are as close as possible to the corresponding location coordinates (x'.sub.m,2,y'.sub.m,2, z'.sub.m,2) for m=1, . . . , M. Given an ellipsoid and a selected survey plane .tau.0 that is tangent to the ellipsoid at a selected location, a set of selected locations can be surveyed with reference to the ellipsoid, and the location coordinates of each such surveyed location can be mapped into a corresponding "survey location," defined by reference to a local coordinate system that uses the survey plane .tau.0 as its base. These transformations and projections are determined and optimized in real time, while a surveyor is measuring the presently-surveyed locations in the field. The instruments used for surveying may be part of a location determination system, such as a Global Positioning System, a Global Orbiting Navigational Satellite System or Loran.
    • 一种用于在第一全局坐标系G1中的第一椭球E1(例如,WGS 84)之间选择最佳变换T(G2; G1)的系统,相对于其进行测量测量,第二全局坐标系中的第二椭球E2 坐标系G2。 M个先前测量的位置的一组位置坐标(x'm,2,y'm,2,z'm,2),编号为m = 1。 。 。 ,M,以及一组位置坐标(x'n,1,y'n,1,z'n,1),用于N个当前测量的位置,编号为n = 1。 。 。 ,提供N(M N),其中当前测量的第一M位置与M个先前测量的位置重合。 选择变换使得n = 1的位置坐标(x'n,1,y'n,1,z'n,1)的图像。 。 。 对于m = 1,在T(G2; G1)处的M尽可能接近于相应的位置坐标(x'm,2,y'm,2,z'm,2)。 。 。 给定椭圆体和选定位置处与椭球相切的选择的测量平面tau 0,可以参考椭球来测量一组选定位置,并且可以映射每个这样的测量位置的位置坐标 通过参考使用测量平面tau 0作为其基础的局部坐标系定义相应的“测量位置”。 这些变化和预测是实时确定和优化的,而测量师正在测量现场调查的位置。 用于测量的仪器可能是位置确定系统的一部分,例如全球定位系统,全球轨道导航卫星系统或罗兰。
    • 9. 发明申请
    • Methanol Storage and Delivery Apparatus for Gas Wells
    • 气井甲醇储存和输送装置
    • US20170022786A1
    • 2017-01-26
    • US15201244
    • 2016-07-01
    • Arthur Taylor
    • Arthur Taylor
    • E21B36/00B65D90/00B65D88/54B65D90/24
    • E21B36/008B65D88/54B65D90/008B65D90/24E21B27/00E21B33/068
    • A gas well methanol storage and delivery apparatus, includes a housing forming an enclosed interior having a lower portion with a containment container therein having sealed bottom and sides, and an upper portion, and having at least one door to allow access to the interior. A storage tank mounting structure is adapted to mount a storage tank for storing a supply of methanol in the interior above the containment container sealed bottom. A pump mounting structure also in the interior of the housing is adapted to mount a pump for pumping methanol from the storage tank to a gas well for injection into the gas well. Vent means may be provided for allowing natural air flow through a portion of the containment container. The apparatus, with or without a tank and with or without a pump, may be supplied as a prefabricated unit to the well head site.
    • 一种气井甲醇储存和输送装置,包括形成封闭内部的壳体,其具有下部,其中具有密封的底部和侧部的容纳容器和上部,并且具有允许进入内部的至少一个门。 储罐安装结构适于安装储存罐,用于储存在容纳密封底部上方的内部的甲醇供应。 在壳体内部的泵安装结构适于安装用于将甲醇从储罐泵送到用于注入气井的气井的泵。 可以设置通风装置以允许自然空气流过容纳容器的一部分。 有或没有油箱,有或没有泵的设备可以作为预制单元提供给井口部位。