Performing Seismic Inversion by a Three-Dimensional Residual Fit

Abstract

A method for determining a seismic inversion volume of a subsurface. The method includes obtaining seismic data of subsurface that includes multiple wells, generating an inverted seismic volume based on the seismic data, and obtaining wellbore measurement data from multiple wells in the subsurface. The method further includes determining residual values representing a difference between values of the wellbore measurement data and the inverted seismic volume data at each of the wellbore sites, generating residual volume data by transforming the residual values, the transforming comprising an interpolation of the residual values between each of the wellbore sites using an inverse distance squared function, and generating corrected seismic volume data based on a difference between values of the residual seismic volume data and the inverted seismic volume data.

What is claimed is: 
     
         1 . A method for determining a seismic inversion volume of a subsurface, the method comprising:
 obtaining seismic data of a subsurface that includes a plurality of wells;   generating inverted seismic volume data from the seismic data, wherein the inverted seismic volume data comprises a three-dimensional representation of a first physical property of the subsurface;   obtaining wellbore measurement data from the plurality of wells, wherein the wellbore measurement data comprise a localized measurement of a second physical property of the subsurface;   determining residual values representing a difference between values of the wellbore measurement data and the inverted seismic volume data at the plurality of wells;   generating residual seismic volume data by transforming the residual values, the transforming comprising an interpolation of the residual values between the plurality of wells using an inverse distance squared function; and   generating corrected seismic volume data based on a difference between values of the residual seismic volume data and the inverted seismic volume data.   
     
     
         2 . The method of  claim 1 , wherein a correlation between the seismic volume data and the wellbore measurement data increases as a function of a number of wells. 
     
     
         3 . The method of  claim 1 , wherein the residual values comprise the difference between the wellbore measurement data and the inverted seismic volume data at each well and at each of a plurality of depths. 
     
     
         4 . The method of  claim 1 , wherein the first physical property is the same as the second physical property. 
     
     
         5 . The method of  claim 1 , further comprising controlling drilling of a well based on the corrected seismic volume data, wherein the corrected seismic volume data specifies a region in the subsurface that has increased likelihood of a presence of a hydrocarbon deposit. 
     
     
         6 . The method of  claim 1 , wherein the corrected seismic volume data has an increased correlation to the wellbore measurement data, relative to a correlation of the inverted seismic volume data to the wellbore measurement data, the increased correlation representing an increased accuracy for representing subsurface features by the corrected seismic volume data. 
     
     
         7 . A system for determining a seismic inversion volume of a subsurface, the system comprising:
 at least one processor; and   a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to perform operations comprising:
 obtaining seismic data of a subsurface that includes a plurality of wells; 
 generating inverted seismic volume data from the seismic data, wherein the inverted seismic volume data comprises a three-dimensional representation of a first physical property of the subsurface; 
 obtaining wellbore measurement data from the plurality of wells, wherein the wellbore measurement data comprise a localized measurement of a second physical property of the subsurface; 
 determining residual values representing a difference between values of the wellbore measurement data and the inverted seismic volume data at the plurality of wells; 
 generating residual seismic volume data by transforming the residual values, the transforming comprising an interpolation of the residual values between the plurality of wells using an inverse distance squared function; and 
 generating corrected seismic volume data based on a difference between values of the residual seismic volume data and the inverted seismic volume data. 
   
     
     
         8 . The system of  claim 7 , wherein a correlation between the seismic volume data and the wellbore measurement data increases as a function of a number of wells. 
     
     
         9 . The system of  claim 7 , wherein the residual values comprise the difference between the wellbore measurement data and the inverted seismic volume data at each well and at each of a plurality of depths. 
     
     
         10 . The system of  claim 7 , wherein the first physical property is the same as the second physical property. 
     
     
         11 . The system of  claim 7 , the operations further comprising controlling drilling of a well based on the corrected seismic volume data, wherein the corrected seismic volume data specifies a region in the subsurface that has increased likelihood of a presence of a hydrocarbon deposit. 
     
     
         12 . The system of  claim 7 , wherein the corrected seismic volume data has an increased correlation to the wellbore measurement data, relative to a correlation of the inverted seismic volume data to the wellbore measurement data, the increased correlation representing an increased accuracy for representing subsurface features by the corrected seismic volume data. 
     
     
         13 . One or more non-transitory computer readable media storing instructions that, when executed by at least one processor, cause the at least one processor to determine a seismic inversion volume of a subsurface by performing operations comprising:
 obtaining seismic data of a subsurface that includes a plurality of wells;   generating inverted seismic volume data from the seismic data, wherein the inverted seismic volume data comprises a three-dimensional representation of a first physical property of the subsurface;   obtaining wellbore measurement data from the plurality of wells, wherein the wellbore measurement data comprise a localized measurement of a second physical property of the subsurface;   determining residual values representing a difference between values of the wellbore measurement data and the inverted seismic volume data at the plurality of wells;   generating residual seismic volume data by transforming the residual values, the transforming comprising an interpolation of the residual values between the plurality of wells using an inverse distance squared function; and   generating corrected seismic volume data based on a difference between values of the residual seismic volume data and the inverted seismic volume data.   
     
     
         14 . The one or more non-transitory computer readable media of  claim 13 , wherein a correlation between the seismic volume data and the wellbore measurement data increases as a function of a number of wells. 
     
     
         15 . The one or more non-transitory computer readable media of  claim 13 , wherein the residual values comprise the difference between the wellbore measurement data and the inverted seismic volume data at each well and at each of a plurality of depths. 
     
     
         16 . The one or more non-transitory computer readable media of  claim 13 , wherein the first physical property is the same as the second physical property. 
     
     
         17 . The one or more non-transitory computer readable media of  claim 13 , the operations further comprising controlling drilling of a well based on the corrected seismic volume data, wherein the corrected seismic volume data specifies a region in the subsurface that has increased likelihood of a presence of a hydrocarbon deposit. 
     
     
         18 . The one or more non-transitory computer readable media of  claim 13 , wherein the corrected seismic volume data has an increased correlation to the wellbore measurement data, relative to a correlation of the inverted seismic volume data to the wellbore measurement data, the increased correlation representing an increased accuracy for representing subsurface features by the corrected seismic volume data.