公开(公告)号：US10139269B2

公开(公告)日：2018-11-27

申请号：US15677640

申请日：2017-08-15

Applicant: SHELL OIL COMPANY

Inventor： Johannis Josephus Den Boer ,  Albena Alexandrova Mateeva ,  Jeremiah Glen Pearce ,  Jeffery Joseph Mestayer ,  William Birch ,  Jorge Louis Lopez ,  Johan Cornelis Hornman ,  Boris Nikolaevich Kuvshinov

IPC: G01H9/00 ,  G01V1/40 ,  G01V1/22

Abstract: A distributed fiber optic acoustic sensing system includes a cable having a cable length. The cable has an elongated body having an outer surface, and at least one straight optical fiber extending parallel to a longitudinal axis of the cable along the cable length; and one or more non-straight optical fibers, such as two orthogonal sinusoidal optical fibers extending along the cable length, or a helically wrapped optical fiber extending along the cable length. The sensing system further has light transmitting and receiving means optically connected to the optical fibers.

公开(公告)号：US09939588B2

公开(公告)日：2018-04-10

申请号：US15323570

申请日：2015-07-03

Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. ,  SHELL OIL COMPANY

Inventor： Matheus Norbertus Baaijens ,  William Birch ,  Arthur Alexander Van Rooyen

IPC: G02B6/32 ,  E21B17/02 ,  E21B33/04 ,  E21B33/12

CPC classification number: G02B6/325 ,  E21B17/02 ,  E21B33/04 ,  E21B33/12 ,  G02B6/32 ,  G02B6/3816

Abstract: A cost efficient and pressure resistant system for interconnecting fiber optical cables in-situ at a hydrocarbon fluid production facility comprises:—a pressure resistant light transparent window (41);—a first lens system (48A-C), which is arranged at one side of the window and configured to convert a first light beam transmitted through a first fiber optical cable (46A-C) into a collimated light beam (51A-C) that is transmitted through the window; and—a second lens system (50A-C), which is arranged at an opposite side of the window and configured to receive and reconvert the collimated light beam into a second light beam that is transmitted into a second fiber optical cable (47A-C).

公开(公告)号：US09766119B2

公开(公告)日：2017-09-19

申请号：US15259348

申请日：2016-09-08

Applicant: SHELL OIL COMPANY

Inventor： Johannis Josephus Den Boer ,  Albena Alexandrova Mateeva ,  Jeremiah Glen Pearce ,  Jeffery Joseph Mestayer ,  William Birch ,  Jorge Louis Lopez ,  Johan Cornelis Hornman ,  Boris Nikolaevich Kuvshinov

IPC: G01H9/00 ,  G01V1/40 ,  G01V1/22

CPC classification number: G01H9/006 ,  G01H9/004 ,  G01V1/226 ,  G01V1/40

Abstract: A method of distributed acoustic sensing includes providing a fiber optic distributed acoustic sensing system having a cable. A straight optical fiber extends parallel to a longitudinal axis of the cable along the cable length. A helically wrapped optical fiber extends along the cable length. The method includes transmitting optical signals into and receiving backscattered signals out of the optical fibers consisting of a component of said optical signals which component has been backscattered from impurities or inhomogeneities in the optical fibers, observing changes in the backscattered signals caused by axial stretching and compressing of the optical fibers caused by an incident wave, comparing the backscattered signals of the straight optical fiber and the helically wrapped fiber, and determining, based on the comparing of the backscattered signals, a direction of wave propagation of the incident wave with respect to the fiber axis for detecting broadside waves and axial waves distinguishably.

公开(公告)号：US20140345388A1

公开(公告)日：2014-11-27

申请号：US14365231

申请日：2012-12-13

Applicant: SHELL OIL COMPANY ,  SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

Inventor： Johannis Josephus Den Boer ,  Albena Alexandrova Mateeva ,  Jeremiah Glen Pearce ,  Jeffery Joseph Mestayer ,  William Birch ,  Jorge Louis Lopez ,  Kees Hornman

IPC: G01H9/00

CPC classification number: G01H9/006 ,  G01H9/004 ,  G01V1/226 ,  G01V1/40

Abstract: A distributed fiber optic acoustic sensing system comprises an elongate body having an outer surface, an optical fiber disposed on the outer surface at a first predetermined wrap angle, and light transmitting and receiving means optically connected to the fiber for. The elongate body may include at least one substantially flat face, and/or a layer of swellable elastomer surrounding the body, and/or an outer elastomeric tube surrounding the elastomer layer. There may be at least one sensor pad disposed in the outer layer, the sensor pad comprising a stiffener and at least one longitudinal fiber affixed thereto or embedded therein. There may be a body of protective material surrounding the tube, which may have an outer surface that includes at least one substantially flat face and at least one sensor pad disposed in the body.

Abstract translation: 分布式光纤声学感测系统包括具有外表面的细长主体，以第一预定包角设置在外表面上的光纤，以及光纤连接到光纤的光发射和接收装置。 细长主体可以包括至少一个基本平坦的表面，和/或围绕主体的可膨胀弹性体层，和/或围绕弹性体层的外部弹性体管。 可以在外层中设置至少一个传感器垫，传感器垫包括加强件和至少一个固定到其上的纵向纤维或嵌入其中。 可以存在围绕管的保护材料体，其可以具有包括至少一个基本上平坦的表面的外表面和设置在主体中的至少一个传感器垫。

公开(公告)号：US09494461B2

公开(公告)日：2016-11-15

申请号：US14365231

申请日：2012-12-13

Applicant: SHELL OIL COMPANY ,  SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

Inventor： Kees Hornman ,  Albena Alexandrova Mateeva ,  Jeremiah Glen Pearce ,  Jeffery Joseph Mestayer ,  William Birch ,  Jorge Louis Lopez ,  Johannis Josephus Den Boer ,  Boris Nikolaevich Kuvshinov

IPC: G01H9/00 ,  G01V1/22 ,  G01V1/40

CPC classification number: G01H9/006 ,  G01H9/004 ,  G01V1/226 ,  G01V1/40

Abstract: A distributed fiber optic acoustic sensing system comprises an elongate body having an outer surface, an optical fiber disposed on the outer surface at a first predetermined wrap angle, and light transmitting and receiving means optically connected to the fiber for. The elongate body may include at least one substantially flat face, and/or a layer of swellable elastomer surrounding the body, and/or an outer elastomeric tube surrounding the elastomer layer. There may be at least one sensor pad disposed in the outer layer, the sensor pad comprising a stiffener and at least one longitudinal fiber affixed thereto or embedded therein. There may be a body of protective material surrounding the tube, which may have an outer surface that includes at least one substantially flat face and at least one sensor pad disposed in the body.

Abstract translation: 分布式光纤声学感测系统包括具有外表面的细长主体，以第一预定包角设置在外表面上的光纤，以及光纤连接到光纤的光发射和接收装置。 细长主体可以包括至少一个基本平坦的表面，和/或围绕主体的可膨胀弹性体层，和/或围绕弹性体层的外部弹性体管。 可以在外层中设置至少一个传感器垫，传感器垫包括加强件和至少一个固定到其上的纵向纤维或嵌入其中。 可以存在围绕管的保护材料体，其可以具有包括至少一个基本上平坦的表面的外表面和设置在主体中的至少一个传感器垫。