Method of monitoring the interior of a subsea pipeline

    公开(公告)号:US12050200B2

    公开(公告)日:2024-07-30

    申请号:US17768410

    申请日:2020-10-01

    发明人: Vincent Clochard

    IPC分类号: G01N29/09 G01N29/265

    摘要: The invention relates to a method of monitoring the interior of a pipeline (1) positioned in contact with a soil (S) below a water mass (E), comprising implementation of the following steps by data processing means (11):



    (a) for at least one position along said pipeline (1), obtaining acoustic data descriptive of at least one cross-section of said pipeline (1) at said position, acquired by a mobile acoustic acquisition device (20) in said water mass (E),
    (b) estimating by quantitative migration from said acoustic data an estimated relative impedance perturbation profile in at least said cross-section of said pipeline (1).

    METHOD FOR THE QUANTIFICATION AND CHARACTERIZATION OF CARBON IN SOILS

    公开(公告)号:US20240183837A1

    公开(公告)日:2024-06-06

    申请号:US18551018

    申请日:2022-03-14

    IPC分类号: G01N33/24 G01N1/44

    CPC分类号: G01N33/24 G01N1/44

    摘要: The invention relates to a method of characterizing and of quantifying carbon in a superficial deposit. The sample of the formation is subjected to heating in an inert atmosphere with at least six isothermal stages connected by a thermal gradient, the sample residue is subjected to heating in an oxidizing atmosphere, and the quantities of HC, CO and CO2 released during heating are measured. A ratio of the mineral carbon to the total carbon of the sample is determined, and the at least one of the organic carbon and mineral carbon content of the sample is determined according to this ratio: (i) by accounting for an estimated quantity of CO2 released by thermal cracking of the organic matter of the sample during heating in the inert atmosphere if the ratio is substantially non-zero; (ii) if the ratio is substantially zero and the mineral carbon content is zero.

    METHOD OF MONITORING THE INTERIOR OF A SUBSEA PIPELINE

    公开(公告)号:US20240118246A1

    公开(公告)日:2024-04-11

    申请号:US17768410

    申请日:2020-10-01

    发明人: Vincent CLOCHARD

    IPC分类号: G01N29/09 G01N29/265

    摘要: The invention relates to a method of monitoring the interior of a pipeline (1) positioned in contact with a soil (S) below a water mass (E), comprising implementation of the following steps by data processing means (11):



    (a) for at least one position along said pipeline (1), obtaining acoustic data descriptive of at least one cross-section of said pipeline (1) at said position, acquired by a mobile acoustic acquisition device (20) in said water mass (E),
    (b) estimating by quantitative migration from said acoustic data an estimated relative impedance perturbation profile in at least said cross-section of said pipeline (1).