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    • 22. 发明申请
    • MULTILEVEL WORKFLOW METHOD TO EXTRACT RESISTIVITY ANISOTROPY DATA FROM 3D INDUCTION MEASUREMENTS
    • 从三维感应测量中提取电阻率数据的多工作流方法
    • US20110231098A1
    • 2011-09-22
    • US12888232
    • 2010-09-22
    • Dzevat OmeragicKeli SunQiming LiTarek Habashy
    • Dzevat OmeragicKeli SunQiming LiTarek Habashy
    • G01V3/12G06F19/00
    • G01V3/20G01V3/28
    • A method is provided for determining formation resistivity, anisotropy and dip from wellbore measurements includes moving a well logging instrument through subsurface formations. The instrument includes longitudinal magnetic dipoles and at least one of tilted and transverse magnetic dipoles. Formation layer boundaries and horizontal resistivities of the formation layers are determined from longitudinal magnetic dipole measurements. Vertical resistivities of the formation layers are determined by inversion of anisotropy sensitive measurements. Improved vertical resistivities of the formation layers and dips are determined by inverting symmetrized and anti-symmetrized measurements. Improved vertical resistivities, improved boundaries and improved dips are determined by inversion of the all dipole measurements. Improved horizontal resistivities, further improved layer boundaries and further improved dips are determined by inversion of all dipole measurements.
    • 提供了一种用于确定井眼测量的地层电阻率,各向异性和倾角的方法,包括通过地下地层移动测井仪器。 仪器包括纵向磁偶极子和倾斜和横向磁偶极子中的至少一个。 由纵向磁偶极子测量确定地层的形成层边界和水平电阻率。 通过各向异性敏感测量的反演确定形成层的垂直电阻率。 通过反转对称和反对称测量来确定形成层和浸渍层的垂直电阻率的改善。 通过所有偶极子测量的反演来确定改善的垂直电阻率,改善的边界和改善的倾角。 通过所有偶极子测量的反演来确定改进的水平电阻率,进一步改善的层边界和进一步改善的下降。
    • 25. 发明授权
    • Wired drill pipe having conductive end connections
    • 具有导电端连接的有线钻杆
    • US07857644B2
    • 2010-12-28
    • US12237488
    • 2008-09-25
    • Raghu MadhavanQiming Li
    • Raghu MadhavanQiming Li
    • H01R4/60
    • E21B17/028E21B17/003E21B17/042E21B17/206Y10S439/95Y10T29/49826
    • Apparatus and methods associated with wired drill pipe having conductive end connections are described. In one described example, an end connector for use with drill pipe includes a generally cylindrical body having an outer shoulder and an inner shoulder. In the described example, the outer shoulder is to engage a shoulder of a drill pipe to be coupled to the body to provide an electrically conductive connection between the body and the drill pipe, and the inner shoulder is to engage an end of the drill pipe. The example end connector also includes a generally cylindrical electrical connector rigidly coupled to the cylindrical body to form at least a portion of the inner shoulder. The generally cylindrical electrical connector is substantially electrically insulated from the cylindrical body and is to contact the end of the drill pipe to provide an electrically conductive connection between the electrical connector and the end of the drill pipe.
    • 描述与具有导电端连接的有线钻杆相关联的装置和方法。 在一个所描述的示例中,用于钻杆的端部连接器包括具有外肩部和内肩部的大致圆柱体。 在所描述的示例中,外肩部将接合待耦合到主体的钻杆的肩部以在主体和钻杆之间提供导电连接,并且内肩部将与钻杆的端部接合 。 示例性端部连接器还包括刚性地联接到圆柱体的大致圆柱形的电连接器,以形成内部肩部的至少一部分。 大致圆柱形的电连接器与圆柱体基本上电绝缘,并且与钻杆的端部接触以在电连接器和钻杆的端部之间提供导电连接。
    • 28. 发明申请
    • WIRED DRILL PIPE HAVING CONDUCTIVE END CONNECTIONS
    • 有导线端连接的有线钻孔管
    • US20100071188A1
    • 2010-03-25
    • US12237488
    • 2008-09-25
    • Raghu MadhavanQiming Li
    • Raghu MadhavanQiming Li
    • B23P11/00H01R13/02E21B17/02
    • E21B17/028E21B17/003E21B17/042E21B17/206Y10S439/95Y10T29/49826
    • Apparatus and methods associated with wired drill pipe having conductive end connections are described. In one described example, an end connector for use with drill pipe includes a generally cylindrical body having an outer shoulder and an inner shoulder. In the described example, the outer shoulder is to engage a shoulder of a drill pipe to be coupled to the body to provide an electrically conductive connection between the body and the drill pipe, and the inner shoulder is to engage an end of the drill pipe. The example end connector also includes a generally cylindrical electrical connector rigidly coupled to the cylindrical body to form at least a portion of the inner shoulder. The generally cylindrical electrical connector is substantially electrically insulated from the cylindrical body and is to contact the end of the drill pipe to provide an electrically conductive connection between the electrical connector and the end of the drill pipe.
    • 描述与具有导电端连接的有线钻杆相关联的装置和方法。 在一个所描述的示例中,用于钻杆的端部连接器包括具有外肩部和内肩部的大致圆柱体。 在所描述的示例中,外肩部将与要耦合到主体的钻杆的肩部接合以在主体和钻杆之间提供导电连接,并且内肩部将与钻杆的端部接合 。 示例性端部连接器还包括刚性地联接到圆柱体的大致圆柱形的电连接器,以形成内部肩部的至少一部分。 大致圆柱形的电连接器与圆柱体基本上电绝缘,并且与钻杆的端部接触以在电连接器和钻杆的端部之间提供导电连接。