Computer-implemented systems and methods for screening and predicting the performance of enhanced oil recovery and improved oil recovery methods

A computer-implemented method of evaluating the likelihood of success of a waterflood (WF) process in providing enhanced recovery of oil from a reservoir system, comprising:

• receiving data indicative of physical properties associated with the reservoir system, wherein said data comprises parameter values associated with one or more primary WF variables and parameter values associated with one or more secondary WF variables;
• comparing each said received parameter value to one or more WF consensus values corresponding to the respective parameter;
• assigning a primary WF point to a primary WF variable if the parameter value of said primary WF variable falls within a favorable range of the respective WF consensus values;
• assigning a secondary WF point to a secondary WF variable if the parameter value of said secondary WF variable falls within a favorable range of the respective WF consensus values;
• computing a WF screening score based on said primary WF points and said secondary WF points;
• wherein said WF screening score indicates a likelihood of success of said WF process with respect to recovery of oil from the reservoir system;
• and
• wherein said steps of comparing, assigning and computing are implemented on a computer system;
• and
• outputting said WF screening score to a display, a user interface device, a tangible computer readable data storage product, or a tangible random access memory.

A computer-implemented method of evaluating a pattern injection scheme or peripheral injection scheme for application of a waterflood (WF) process to a reservoir system, comprising:

• receiving data indicative of physical properties associated with the reservoir system, wherein said data comprises parameter values associated with one or more primary injection scheme variables and parameter values associated with one or more secondary injection scheme variables;
• comparing each said received parameter value to one or more injection scheme consensus values corresponding to the respective parameter;
• determining a recommended injection scheme to be applied to said reservoir system for enhanced recovery of oil from the reservoir system;
• wherein said recommended injection scheme is a peripheral injection scheme if a majority of said parameter values falls within a range R1 of values of said one or more injection scheme consensus values;
• wherein said recommended injection scheme is a pattern injection scheme if a majority of said parameter values falls within a range R2 of values of said one or more injection scheme consensus values;
• wherein said range R1 is different from said range R2;
• and
• wherein said steps of comparing and determining are implemented on a computer system;
• and
• outputting an indication of said recommended injection scheme to a display, a user interface device, a tangible computer readable data storage product, or a tangible random access memory.

A method of evaluating a pattern injection scheme or a peripheral injection scheme for application of a waterflood (WF) process to a reservoir system, comprising:

• receiving data indicative of physical properties associated with the reservoir system, wherein said data comprises parameter values associated with one or more primary injection scheme variables and parameter values associated with one or more secondary injection scheme variables;
• comparing each said received parameter value to one or more injection scheme consensus values corresponding to the respective parameter;
• assigning a primary injection scheme point to a primary injection scheme variable if the parameter value of said primary injection scheme variable falls within a favorable range of the respective injection scheme consensus values;
• assigning a secondary injection scheme point to a secondary injection scheme variable if the parameter value of said secondary injection scheme variable falls within a favorable range of the respective injection scheme consensus values;
• computing an injection scheme score based on said primary injection scheme points and said secondary injection scheme points;
• determining a recommended injection scheme to be applied to said reservoir system for improved recovery of oil from the reservoir system;
• wherein said recommended injection scheme is determined to be a pattern injection scheme if said injection scheme score is above a predetermined injection scheme viability score;
• wherein said recommended injection scheme is determined to be a peripheral injection scheme if said injection scheme score is below a predetermined injection scheme viability score;
• and
• wherein said steps of comparing, assigning, computing and determining are implemented on a computer system;
• and
• outputting an indication of said recommended injection scheme to a display, a user interface device, a tangible computer readable data storage product, or a tangible random access memory.

A computer-implemented method for predicting a performance of a waterflood process in a reservoir system, comprising:

• receiving data indicative of physical properties associated with the reservoir system, wherein said data comprises parameter values associated with one or more parameters;
• computing at least one uncorrected WF performance profile of production of oil from the reservoir system with application of the waterflood process, wherein said at least one uncorrected WF performance profile is computed based on a fit of at least one WF performance computation methodology to the received data;
• converting said at least one uncorrected WF performance profile to at least one corrected WF performance profile using a statistical correction factor, wherein application of said statistical correction factor provides for direct comparison of said at least one corrected WF performance profile to a measure of production of oil from said reservoir system following application of an initial oil recovery process to said reservoir system;
• wherein said at least one corrected WF performance profile provides an indication of the performance of said waterflood process in the reservoir system;
• and
• wherein said steps of computing and converting are implemented on a computer system;
• and
• outputting to a display, a user interface device, a computer readable data storage product, or a random access memory, said at least one corrected WF performance profile.

A computer-implemented method for predicting a performance of a polymer flood process in a reservoir system, comprising:

• receiving data indicative of physical properties associated with the reservoir system, wherein said data comprises parameter values associated with one or more parameters;
• computing at least one polymer flood performance profile which provides a measure of production of oil from the reservoir system with application of the waterflood process, wherein said at least one polymer flood performance profile is computed based on application of at least one polymer flood performance computation methodology to the received data;
• wherein said at least one polymer flood performance profile provides an indication of the performance of said waterflood process in the reservoir system;
• and
• wherein said step of computing is implemented on a computer system;
• and
• outputting to a display, a user interface device, a computer readable data storage product, or a random access memory, said at least one polymer flood performance profile.