A METHOD FOR HYDROCARBON RESERVOIR MAPPING AND APPARATUS FOR USE WHEN PERFORMING THE METHOD
    1.
    发明公开
    A METHOD FOR HYDROCARBON RESERVOIR MAPPING AND APPARATUS FOR USE WHEN PERFORMING THE METHOD 审中-公开
    过程以将其用于程序的执行油气藏的身材和设备

    公开(公告)号:EP1949137A4

    公开(公告)日:2016-10-05

    申请号:EP06812789

    申请日:2006-10-26

    IPC分类号: G01V3/08 G01V3/12 G01V3/17

    CPC分类号: G01V3/083 Y02A90/344

    摘要: A method is proposed for a marine electromagnetic survey based on the TM mode, for the purpose of prospecting for and detecting subsurface hydrocarbon reservoirs. The method includes an electromagnetic field source (1113) that, in a submerged, essentially vertical transmitter antenna, generates and injects electric current pulses (81,82) with a sharply defined termination. An electromagnetic field generated by these pulses (81,82) is measured by at least one receiver (1109) provided with an essentially vertical receiver antenna (1111) submerged in water, during the interval when the current in the transmitter antenna (1108) of the electromagnetic field source (1113) is switched off. The distance between the electromagnetic field source (1113) and the at least one receiver (1109) is smaller than the depth of the target object. An apparatus is also described, for implementation of the method.

    摘要翻译: 提出一种方法,用于基于所述TM模式中的海洋电磁勘探中,勘探和检测地下油气藏的目的。 该方法包括在电磁场源(1113)的是,在浸没的,基本上垂直的发射器天线,基因率和具有清晰定义的终止注入电流脉冲(81,82)。 通过合成脉冲产生的(81,82)的电磁场通过在浸没在水中基本上垂直的接收器天线(1111),其设有至少一个接收器(1109)的时间间隔期间测量的,当以发射器天线(1108)的当前 电磁场源(1113)关闭。电磁场源(1113)和所述至少一个接收器(1109)之间的距离比目标物体的深度小。 因而描述了一种装置,用于实现该方法的。

    A METHOD OF MAPPING HYDROCARBON RESERVOIRS IN SHALLOW WATERS AND ALSO AN APPARATUS FOR USE WHEN PRACTISING THE METHOD
    2.
    发明公开
    A METHOD OF MAPPING HYDROCARBON RESERVOIRS IN SHALLOW WATERS AND ALSO AN APPARATUS FOR USE WHEN PRACTISING THE METHOD 审中-公开
    VERFAHREN ZUR KARTIERUNG VONKOHLENWASSERSTOFFLAGERSTÄTTENIN SEICHTENGEWÄSSERNUND VORRICHTUNG ZUR UMSETZUNG DES VERFAHRENS

    公开(公告)号:EP2087379A4

    公开(公告)日:2017-08-02

    申请号:EP07851980

    申请日:2007-11-26

    IPC分类号: G01V3/12 G01V3/08 G01V3/17

    CPC分类号: G01V3/12 G01V3/083 Y02A90/342

    摘要: A system for marine electromagnetic surveying of hydrocarbon reservoirs is proposed. The system proposed is characterized by high sensitivity to targets containing hydrocarbons and an ability to work in shallow and deep waters. The system includes a transmitter setting up current pulses in water (2) through a submerged, vertical or horizontal transmitter cable (7a, 7b, 8) and a registration subsystem (9) connected to electrodes (11) on vertical or horizontal receiver cables (10a, 10b). The transmitter generates a special sequence of sharply terminated pulses of the electric current, the electric field being measured in the water in the pauses between these pulses. The straight line through the receiver electrodes lies in the same vertical plane as the terminations of the transmitter cable (7a, 7b). The measurements are carried out with an offset between the transmitter cable (7a, 7b) and the receiver cables (10a, 10b) which is smaller than the depth of the targeted reservoir of hydrocarbons, measured from the sea floor (3).

    摘要翻译: 提出了油气藏海洋电磁测量系统。 该系统的特点是对含有碳氢化合物的目标具有高度敏感性,并且具有在浅水和深水中工作的能力。 该系统包括发射器,其通过水平的垂直或水平发射器电缆(7a,7b,8)和连接到垂直或水平接收器电缆(11)上的电极(11)的配准子系统(9) 10a,10b)。 变送器产生一个特别的电流尖端终止脉冲序列,电场在这些脉冲之间的暂停期间在水中测量。 穿过接收器电极的直线与发射器电缆(7a,7b)的终端位于同一垂直平面内。 测量是在发射器电缆(7a,7b)和接收器电缆(10a,10b)之间的偏移的情况下进行的,该偏移小于从海底(3)测量的目标烃的储存器的深度。