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    Oilfield reservoir saturation and permeability modeling
    1.
    发明授权
    Oilfield reservoir saturation and permeability modeling 有权

    公开(公告)号：US11066905B2

    公开(公告)日：2021-07-20

    申请号：US15572786

    申请日：2016-06-24

    Applicant: Schlumberger Technology Corporation

    Inventor： Sylvain Wlodarczyk ,  Keith Pinto ,  Olivier Marche ,  Akshat Gupta

    IPC: E21B41/00 ,  E21B49/00 ,  G06F17/13 ,  E21B47/06

    Abstract: A method for modelling saturation in a reservoir, comprising: obtaining capillary pressure data representing capillary pressure in the reservoir; obtaining permeability data representing permeability in the reservoir; determining a number of pore throats represented by the capillary pressure data; creating hyperbolic tangents based on the capillary pressure data equal in number to the number of pore throats; combining hyperbolic tangents to create a curve to fit the capillary pressure data and to define hyperbolic tangent parameters; combining at least one of the hyperbolic tangent parameters with the permeability data to define a saturation height function; modelling a saturation in the reservoir using the saturation height function; and displaying the saturation model based on the saturation height function. The determination of the number of pore throats may comprise creating an initial capillary pressure curve using a predetermined number of multiple linked hyperbolic tangents, determining a first derivative of the capillary pressure curve, and determining a number of local minima in the capillary pressure curve.

    Oilfield Reservoir Saturation and Permeability Modeling
    4.
    发明申请
    Oilfield Reservoir Saturation and Permeability Modeling 审中-公开

    公开(公告)号：US20180119523A1

    公开(公告)日：2018-05-03

    申请号：US15564732

    申请日：2016-04-07

    Applicant: Schlumberger Technology Corporation

    Inventor： Sylvain Wlodarczyk ,  Keith Pinto ,  Olivier Marche

    IPC: E21B41/00 ,  G06F17/50

    CPC classification number: E21B41/0092 ,  E21B47/06 ,  E21B49/00 ,  G06F17/5009 ,  G06F2217/16

    Abstract: A method and system for modeling saturation in a reservoir that includes obtaining capillary pressure data representing capillary pressure in a reservoir, obtaining permeability data representing permeability in the reservoir, determining a number of pore throats represented by the capillary pressure data, creating a set of hyperbolic tangents equal in number to the number of pore throats, combining the set of hyperbolic tangents to create a curve to fit the capillary pressure data and to define a set of hyperbolic tangent parameters, combining at least one of the hyperbolic tangent parameters with the permeability data to define a saturation height function, modeling USER a saturation in the reservoir using the saturation height function, and displaying the saturation model based on the saturation height function.

    Well-Log Interpretation Using Clustering
    7.
    发明申请
    Well-Log Interpretation Using Clustering 审中-公开

    公开(公告)号：US20200183042A1

    公开(公告)日：2020-06-11

    申请号：US16614783

    申请日：2018-05-22

    Applicant: Schlumberger Technology Corporation

    Inventor： Shervine Amidi ,  Vianney Bruned ,  Sylvain Wlodarczyk

    IPC: G01V1/50 ,  G01V3/38 ,  G01V5/04 ,  G01V11/00

    Abstract: Computing systems, computer-readable media, and methods interpreting well logs, of which the method includes receiving data that comprises one or more well logs acquired using a tool disposed at a plurality of depths 423 in a bore in a subterranean environment, partitioning the data into segments, the individual segments containing data points, representing the segments as representative points in a parameter domain, determining reachability distances for the representative points in the parameter domain, initializing a cluster based on the reachability distances, identifying one or more segments as part of the cluster, and determining a physical feature represented in the one or more well logs based on the cluster.

    Systems and methods for determining relative geochemical data
    10.
    发明授权
    Systems and methods for determining relative geochemical data 有权

    公开(公告)号：US10482996B2

    公开(公告)日：2019-11-19

    申请号：US14267042

    申请日：2014-05-01

    Applicant: Schlumberger Technology Corporation

    Inventor： Sylvain Wlodarczyk ,  Gennady Makarychev

    IPC: G06F19/00 ,  G16C20/20 ,  G01V9/00

    Abstract: Systems, media, and methods for determining relative geochemical data are provided. Measurement data may be received that is indicative of relative yields of a plurality of chemical components in a rock formation. First absolute yields of at least a portion of the plurality of chemical components in a presence of 100% of a first volumetric component in the rock formation may be determined. Second absolute yields of at least a portion of the plurality of chemical components in a presence of 100% of a second volumetric component in the rock formation may also be determined. A volume of the first volumetric component, a volume of the second volumetric component, and a sum of yields of the plurality of chemical components may be determined using the first and second absolute yields and the relative yields.

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