知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

2037 条记录 (耗时 0.03 秒)

    Hybrid Approach to Tailor Design Choices for Improved Risk Mitigation During Cement Job Design
    7.
    发明公开
    Hybrid Approach to Tailor Design Choices for Improved Risk Mitigation During Cement Job Design 审中-公开

    公开(公告)号：US20240254857A1

    公开(公告)日：2024-08-01

    申请号：US18104085

    申请日：2023-01-31

    申请人： Halliburton Energy Services, Inc.

    发明人： Siva Rama Krishna Jandhyala ,  Kvvn Krishna Babu Yerubandi ,  Walmy Cuello Jimenez

    IPC分类号： E21B33/14 ,  E21B47/06

    CPC分类号： E21B33/14 ,  E21B47/06

    摘要： A method of designing a cement job may include: (a) selecting a cement job plan comprising: cement placement variables, wellbore construction variables, and subterranean formation properties; (b) calculating a predicted hydraulic pressure (Phydraulic) of the cement job plan using a physics based hydraulic model; (c) calculating a pressure differential (ΔP) of the cement job plan using a data driven hydraulic model; (d) calculating a predicted observed surface pressure (Pobserved) from the pressure differential (ΔP) and a predicted hydraulic pressure (Phydraulic); (e) comparing the predicted observed surface pressure (Pobserved) to a surface pressure requirement window, wherein steps (a)-(e) are repeated if the predicted observed surface pressure (Pobserved) is within the surface pressure requirement window, wherein each repeated step of selecting comprises selecting at least one different cement placement variables than previously selected, or step (f) is performed if the if the predicted observed surface pressure (Pobserved) is less than the surface pressure requirement; and (f) performing a cementing operation in a subterranean formation according to the cement job plan.

    Automated cementing method and system
    8.
    发明授权
    Automated cementing method and system 有权

    公开(公告)号：US12037871B2

    公开(公告)日：2024-07-16

    申请号：US18474669

    申请日：2023-09-26

    申请人： Schlumberger Technology Corporation

    发明人： Carlos Urdaneta ,  Rajnarayanan Balsamy ,  Quy Nguyen

    IPC分类号： E21B33/14 ,  B01F101/49 ,  E21B47/005 ,  G05B19/05

    CPC分类号： E21B33/14 ,  E21B47/005 ,  G05B19/05 ,  B01F2101/49

    摘要： A method may include obtaining, by a computer processor, a request to initiate a cementing procedure. The method may further include determining, by the computer processor, an automated sequence for the cementing procedure. The method may further include transmitting, by the computer processor and based on the automated sequence, a cementing management command that triggers the cementing procedure for cementing equipment in a cementing system. The method may further include obtaining, by the computer processor, sensor data regarding the cementing equipment. The method may further include determining, by the computer processor and in response to the sensor data, whether to perform a next procedure in the automated sequence.

    Cement retainer for remedial operations
    9.
    发明授权
    Cement retainer for remedial operations 有权

    公开(公告)号：US12012823B2

    公开(公告)日：2024-06-18

    申请号：US17705101

    申请日：2022-03-25

    申请人： Saudi Arabian Oil Company

    发明人： Marius Neacsu ,  Omar M. Alhamid

    IPC分类号： E21B33/14 ,  E21B34/12 ,  E21B34/14

    CPC分类号： E21B33/14 ,  E21B34/14 ,  E21B2200/05 ,  E21B2200/06

    摘要： A wellbore assembly includes a wellbore string and a cement retainer. The wellbore string is disposed within a cased wellbore. The cement retainer is releasably coupled to the wellbore string and defines, with a wall of the casing, an annulus. The cement retainer includes a housing, a valve, and a packer. The flapper valve is attached to and disposed within the bore of the housing. The flapper valve moves between a closed position, in which a fluid pathway of the cement retainer is closed, and an opened position, in which the fluid pathway is opened for fluid to flow downhole out of the cement retainer. The wellbore string opens, with the packer set on the wellbore, the flapper valve by stinging the flapper valve and allowing cement to flow downhole from the wellbore string to the target zone to remediate the wellbore at the target zone.