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;'''Economic''' 
;'''Economic''' 
:In relation to petroleum reserves and resources, economic refers to the situation where the income an operation exceeds the expenses involved in, or attributable to, that operation [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].
:In relation to petroleum reserves and resources, economic refers to the situation where the income an operation exceeds the expenses involved in, or attributable to, that operation [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].
;'''Economic'''
A project is economic when it has a positive undiscounted cumulative cash flow from the effective date of the evaluation, the net revenue exceeds the net cost of operation (i.e., positive cumulative net cash flow at discount rate greater than or equal to zero percent).  [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Dry hole''' 


;'''Economic interest''' 
;'''Economic interest''' 
:U.S. Treasury Regulation Sec. 1. 611-1(6)(1): An economic Interest is possessed in every case in which the taxpayer has acquired by investment any Interest in mineral in place and secures, by any form of legal relationship, income derived from the extraction of the mineral ... to which he must look for a return of his capital [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].
:U.S. Treasury Regulation Sec. 1. 611-1(6)(1): An economic Interest is possessed in every case in which the taxpayer has acquired by investment any Interest in mineral in place and secures, by any form of legal relationship, income derived from the extraction of the mineral ... to which he must look for a return of his capital [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].
;'''Economic Interest'''
Interest that is possessed when an entity has acquired an interest in the minerals in-place or a license and secures, by any form of legal relationship, revenue derived from the extraction of the mineral to which he must look for a return.  [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Economic Limit'''
Defined as the time when the maximum cumulative net cash flow (see Net Entitlement) occurs for a project.  [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Economically Not Viable Contingent Resources'''
Those quantities for which development projects are not expected to yield positive cash flows under reasonable forecast conditions. May also be subject to additional unsatisfied contingencies.  [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Economically Producible'''
Refers to the situation where the net revenue from an ongoing producing project exceeds the net expenses attributable to a certain entity’s interest. The ADR costs are excluded from the determination.  [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;
;'''Economically Viable Contingent Resources'''
Those quantities associated with technically feasible projects where cash flows are positive under reasonable forecast conditions but are not Reserves because it does not meet the other commercial criteria.  [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Effective Date'''
Resource estimates of remaining quantities are “as of the given date” (effective date) of the evaluation. The evaluation must take into account all data related to the period before the “as of date.”   [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]


;'''Entitlement''' 
;'''Entitlement''' 
:Reserves consistent with the cost recovery plus profit hydrocarbons that are recoverable under the terms of the contract or lease are typically reported by the upstream contractor [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].
:Reserves consistent with the cost recovery plus profit hydrocarbons that are recoverable under the terms of the contract or lease are typically reported by the upstream contractor [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].


;'''Entitlement'''
That portion of future production (and thus resources) legally accruing to an entity under the terms of the development and production contract or license.   [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Entity'''
A legal construct capable of bearing legal rights and obligations. In resources evaluations, this typically refers to the lessee or contractor, which is some form of legal corporation (or consortium of corporations). In a broader sense, an entity can be an organization of any form and may include governments or their agencies.   [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Established Technology'''
Methods of recovery or processing that have proved to be successful in commercial applications.   [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Estimated ultimate recovery''' 
;'''Estimated ultimate recovery''' 
:Those quantities of petroleum which are estimated, on a given date, to be potentially recoverable from an accumulation, plus those quantities already produced therefrom [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].
:Those quantities of petroleum which are estimated, on a given date, to be potentially recoverable from an accumulation, plus those quantities already produced therefrom [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].


;<div id="Evaluation">'''Evaluation'''</div>
;'''Estimated Ultimate Recovery (EUR)'''
Those quantities of petroleum estimated, as of a given date, to be potentially recoverable plus those quantities that have been already produced. For clarity, EUR must reference the associated technical and commercial conditions for the resources; for example, proved EUR is Proved Reserves plus prior production.  [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Evaluation'''
;'''Evaluation'''
The geosciences, engineering, and associated studies, including economic analyses, conducted on a petroleum exploration, development, or producing project resulting in estimates of the quantities that can be recovered and sold and the associated cash flow under defined forward conditions. (Also called assessment.)  [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Evaluator'''
The person or group of persons responsible for performing an evaluation of a project. These may be employees of the entities that have an economic interest in the project or independent consultants contracted for reviews and audits. In all cases, the entity accepting the evaluation takes responsibility for the results, including its resources and attributed value estimates. [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;<div id="Evaluation"></div>


;'''Exploration'''
Prospecting for undiscovered petroleum using various techniques, such as seismic surveys, geological studies, and exploratory drilling. [http://info.specommunications.org/rs/833-LLT-087/images/PRMgmtSystem_V1.01%20Nov%2027.pdf?mkt_tok=eyJpIjoiTWpZNU1XWmtZMlZtWm1ReSIsInQiOiJ3WnJLWFF2RmNXamhJbGtLdXZRYlcwVTV1WmdSMFNnNUd3UzE2QUF0bUV0bGQrOFNJMHpIM1ppMHNJSFRZOStMU09DV1pBZ0N6Y2taanlQZU0zSkR1WEpaZjdsSGV2MG5iSGlCQmloSzNGbUpHbnhueTQ3bjFpWkJMcklDTGppSSJ9 Glossary of Petroleum Resources Management System - June 2018 (revised version)]
;'''Exploration'''&nbsp;
;'''Exploration'''&nbsp;
:Prospecting for undiscovered petroleum [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].
:Prospecting for undiscovered petroleum [[#PRMS_2005|Glossary of Reserves/Resources Terminology - 2005]].
Zachary Botkin (ZacharyBotkin)
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