公开(公告)号：US20150090494A1

公开(公告)日：2015-04-02

申请号：US14067676

申请日：2013-10-30

Applicant: Weatherford/Lamb, Inc.

Inventor： Alexander A. Lazarev ,  Albert C. Odell, II ,  Iain Macleod ,  Marius Raducanu

IPC: E21B47/12

CPC classification number: E21B7/28 ,  E21B10/32 ,  E21B47/024 ,  E21B47/06 ,  E21B47/065 ,  E21B47/122 ,  E21B47/18 ,  G06K19/0772 ,  G06K19/07773

Abstract: In one embodiment, a radio-frequency identification device for use in a wellbore includes a housing made of a polymer; and an antenna disposed in the housing. The polymer may be selected from the group consisting of an elastomer, a plastic, a rubber, a thermoplastic elastomer, and combinations thereof. The RFID device may also include a fill material disposed in the housing.

Abstract translation: 在一个实施例中，用于井眼的射频识别装置包括由聚合物制成的壳体; 以及设置在壳体中的天线。 聚合物可以选自弹性体，塑料，橡胶，热塑性弹性体及其组合。 RFID装置还可以包括设置在壳体中的填充材料。

公开(公告)号：US20140251603A1

公开(公告)日：2014-09-11

申请号：US14204686

申请日：2014-03-11

Applicant: Weatherford/Lamb, Inc.

Inventor： Marius Raducanu ,  Yildirim Hurmuzlu ,  Sorin Gabriel Teodorescu

IPC: E21B47/09

CPC classification number: E21B47/09 ,  E21B33/16 ,  E21B47/12

Abstract: The disclosure describes a system and a method for locating a cement plug within a wellbore. The system includes a signal transmitter mounted to the cement plug, a receiver at the opening to the wellbore, one clock positioned on the cement plug and in communication with the transmitter, a second clock which is synchronized to the first clock and in communication with the receiver, and a controller for triggering the transmittal of the signal.

Abstract translation: 本公开描述了一种用于在井筒内定位水泥塞的系统和方法。 该系统包括安装到水泥塞的信号发射器，在井眼开口处的接收器，位于水泥塞上并与发射器通信的一个时钟，与第一时钟同步并与第一时钟通信的第二时钟 接收器和用于触发信号传送的控制器。