-
公开(公告)号:WO2022103801A1
公开(公告)日:2022-05-19
申请号:PCT/US2021/058730
申请日:2021-11-10
Applicant: CHEVRON U.S.A. INC.
Abstract: An intermediary well may be selected for a group of wells. The intermediary well may be used as an origin point from which branching wells paths are generated to connect the group of wells through the intermediary well. A shortest path between the intermediary well and the group of wells along the branching well paths may be identified, and the group of wells may be aligned along the shortest path. Boundaries of the intermediary well may be propagated to the aligned group of wells to establish correlation between segments of the intermediary well and segments of the aligned group of wells.
-
2.
公开(公告)号:WO2021113086A1
公开(公告)日:2021-06-10
申请号:PCT/US2020/061323
申请日:2020-11-19
Applicant: CHEVRON U.S.A. INC.
Inventor: LAUGIER, Fabien J. , DOWNARD, Alicia , SUN, Tao
IPC: E21B21/00 , E21B41/00 , E21B43/119 , E21B49/08
Abstract: Unsegmented continuous subsurface data may be analyzed using one or more moving windows to characterize a subsurface region. Unsegmented continuous subsurface data may be scanned using the moving window(s). Probabilities that portions of the subsurface region include a subsurface feature may be determined based on analysis of the portions of the unsegmented continuous subsurface data within the moving window(s).
-
公开(公告)号:WO2022026237A1
公开(公告)日:2022-02-03
申请号:PCT/US2021/042214
申请日:2021-07-19
Applicant: CHEVRON U.S.A. INC.
Inventor: LAUGIER, Fabien J. , DOWNARD, Alicia , HOLMES, Robert Chadwick
Abstract: Simulated wells may be selected from a subsurface representation to serve as representation of the corresponding simulated subsurface region. Spatial coverage of a simulated well for the simulated subsurface region may be determined based on extent of similarity between the simulated well and other simulated wells in the subsurface representation. The simulated wells may be selected to achieve desired spatial coverage for the simulated subsurface region and to achieve desired representation of properties of interest for the simulated subsurface region.
-
公开(公告)号:WO2021146104A1
公开(公告)日:2021-07-22
申请号:PCT/US2021/012629
申请日:2021-01-08
Applicant: CHEVRON U.S.A. INC.
Inventor: SUN, Tao , HERN, Brett M. , WILLIS, Brian , LAUGIER, Fabien J. , AMARU, Maisha Lara , HARRIS, Ashley D. , SULLIVAN, Morgan David
Abstract: A subsurface representation may define simulated subsurface configuration of a simulated subsurface region. The simulated subsurface region may include simulated wells, and the simulated subsurface configuration may define simulated correlation between the simulated wells. Subsurface configuration of wells may be compared with the simulated subsurface configuration to generate similarity maps for the wells. Simulated wells may be matched to the wells based on the similarity maps and the arrangement of the wells. Correlation between the wells may be determined based on the simulated correlation between the matched simulated wells.
-
公开(公告)号:WO2022103875A1
公开(公告)日:2022-05-19
申请号:PCT/US2021/058835
申请日:2021-11-10
Applicant: CHEVRON U.S.A. INC.
Inventor: HOLMES, Robert Chadwick , LAUGIER, Fabien J. , TAMAKLOE, Frank
IPC: E21B47/14
Abstract: A region of interest may include a group of wells. The group of wells may be connected to form a graph of wells, with nodes representing wells and edges representing connections between wells. Connection scores from dynamic time warping paths for individual pairs of connected wells may be used to detect anomalies in the region of interest. Number of boundaries within individual wells may be used to detect anomalies in the region of interest. Connection score and/or number of boundaries may be represented on a visual map of the region of interest.
-
公开(公告)号:WO2021194851A1
公开(公告)日:2021-09-30
申请号:PCT/US2021/023008
申请日:2021-03-18
Applicant: CHEVRON U.S.A. INC.
Inventor: HERN, Brett M. , SUN, Tao , WILLIS, Brian J. , LAUGIER, Fabien J. , HARRIS, Ashley D.
IPC: G01V99/00 , E21B2200/20 , E21B49/00 , G01V99/005
Abstract: Well information may define subsurface configuration of different wells. Marker information defining marker positions within the wells may be obtained. A dissimilarity matrix for the wells may generated, with the element values of the dissimilarity matrix determined based on comparison of corresponding subsurface configuration of the wells. A gated dissimilarity matrix may be generated from the dissimilarity matrix based on the marker positions within the wells. The elements values of the gated dissimilarity matrix corresponding to one set of marker positions and not corresponding to the other set of marker positions may be changed. Correlation between the wells may be determined based on the gated dissimilarity matrix such that correlation exists between a marker position in one well and a marker position in another well.
-
公开(公告)号:WO2021030101A1
公开(公告)日:2021-02-18
申请号:PCT/US2020/044874
申请日:2020-08-04
Applicant: CHEVRON U.S.A. INC.
Inventor: SUN, Tao , LI, Lewis , HERN, Brett M. , LAUGIER, Fabien J. , AMARU, Maisha Lara , HARRIS, Ashley D. , SULLIVAN, Morgan David
Abstract: Correlation matrices may be used to simultaneously correlate multiple wells. A correlation matrix may be generated for individual pairs of multiple wells. The values of elements of the correlation matrices may be determined based on matching between segments of the multiple wells and segments of one or more computational stratigraphic models. An N-dimensional space including an axis for individual wells may be generated. Directed walk may be performed within the N-dimensional space to generate paths representing scenarios of correlations for segments of the multiple wells.
-
公开(公告)号:WO2022103863A1
公开(公告)日:2022-05-19
申请号:PCT/US2021/058819
申请日:2021-11-10
Applicant: CHEVRON U.S.A. INC.
Inventor: HOLMES, Robert Chadwick , LAUGIER, Fabien J.
Abstract: A well may be selected from a group of wells. Multiple scenarios of boundary locations within the selected well may be determined based on propagation of boundaries from other wells to the selected well. A visual representation of the multiple scenarios of boundary locations within the selected well may be provided based on spatial arrangement of the wells within the group of wells. A visual representation of the spatial arrangement of the wells within the group of wells may be provided.
-
公开(公告)号:WO2022026237A8
公开(公告)日:2022-02-03
申请号:PCT/US2021/042214
申请日:2021-07-19
Applicant: CHEVRON U.S.A. INC.
Inventor: LAUGIER, Fabien J. , DOWNARD, Alicia , HOLMES, Robert Chadwick
IPC: E21B43/00 , E21B47/00 , E21B2200/20 , E21B41/00 , E21B49/00 , G01V1/282 , G01V1/301 , G01V2210/64 , G01V2210/66 , G01V99/005 , G06F30/20 , G06K9/6215 , G06K9/6228 , G06V10/751
Abstract: Simulated wells may be selected from a subsurface representation to serve as representation of the corresponding simulated subsurface region. Spatial coverage of a simulated well for the simulated subsurface region may be determined based on extent of similarity between the simulated well and other simulated wells in the subsurface representation. The simulated wells may be selected to achieve desired spatial coverage for the simulated subsurface region and to achieve desired representation of properties of interest for the simulated subsurface region.
-
公开(公告)号:WO2021231457A1
公开(公告)日:2021-11-18
申请号:PCT/US2021/031817
申请日:2021-05-11
Applicant: CHEVRON U.S.A. INC.
Inventor: LAUGIER, Fabien J. , DOWNARD, Alicia , HOLMES, Robert Chadwick
IPC: G06G7/48
Abstract: 2D slices/images may be extracted from a three-dimensional volume of subsurface data. Image comparison analysis across sequential 2D slices/images may identify boundaries within the corresponding subsurface region, such as changes in style of deposition or reservoir property distribution. Identification of temporal/spatial boundaries in the subsurface region where subsurface properties change may facilitate greater understanding of the scales and controls on heterogeneity, and connectivity between different locations.
-
-
-
-
-
-
-
-
-