CSA/ANSI ISO 27916:19
Carbon dioxide capture, transportation and geological storage — Carbon dioxide storage using enhanced oil recovery (CO2-EOR) (Adopted ISO 27916:19, first edition, 2019-01)
Product Details
CSA Preface
This is the first edition of CSA/ANSI ISO 27916, Carbon dioxide capture, transportation and geological storage — Carbon dioxide storage using enhanced oil recovery (CO2-EOR), which is an adoption without modification of the identically titled ISO (International Organization for Standardization) Standard 27916 (first edition, 2019-01).
For brevity, this Standard will be referred to as “ANSI/CSA ISO 27916” throughout.
It should be noted that the ANSI-approved adoption of this Standard was published in October 2019. This edition was amended in August 2022 to indicate its approval as a National Standard of Canada.
This Standard was reviewed for Canadian adoption by the CSA Technical Committee on Carbon Dioxide Capture, Transportation, and Geological Storage, under the jurisdiction of the CSA Strategic Steering Committee on Natural Resources, and has been formally approved by the Technical Committee.
This Standard was reviewed for United States adoption by the CSA Technical Committee on Carbon Capture and Storage (CCS), under the jurisdiction of the CSA Strategic Steering Committee on Natural Resources, and has been formally approved by the Technical Committee.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
This Standard has been approved by the American National Standards Institute (ANSI) as an American National Standard.
Scope
1.1 Applicability
This document applies to carbon dioxide (CO2) that is injected in enhanced recovery operations for oil and other hydrocarbons (CO2-EOR) for which quantification of CO2 that is safely stored long-term in association with the CO2-EOR project is sought. Recognizing that some CO2-EOR projects use nonanthropogenic CO2 in combination with anthropogenic CO2, the document also shows how allocation ratios could be utilized for optional calculations of the anthropogenic portion of the associated stored CO2 (see Annex B).
1.2 Non-applicability
This document does not apply to quantification of CO2 injected into reservoirs where no hydrocarbon production is anticipated or occurring. Storage of CO2 in geologic formations that do not contain hydrocarbons is covered by ISO 27914 even if located above or below hydrocarbon producing reservoirs. If storage of CO2 is conducted in a reservoir from which hydrocarbons were previously produced but will no longer be produced in paying or commercial quantities, or where the intent of CO2 injection is not to enhance hydrocarbon recovery, such storage would also be subject to the requirements of ISO 27914.
1.3 Standard boundary
1.3.1 Inclusions
The conceptual boundary of this document for CO2 stored in association with CO2-EOR includes:
a) safe, long-term containment of CO2 within the EOR complex;
b) CO2 leakage from the EOR complex through leakage pathways; and
c) on-site CO2-EOR project loss of CO2 from wells, equipment or other facilities.
1.3.2 Exclusions
This document does not include the following:
a) lifecycle emissions, including but not limited to CO2 emissions from capture or transportation of CO2, on-site emissions from combustion or power generation, and CO2 emissions resulting from the combustion of produced hydrocarbons;
b) storage of CO2 above ground;
c) buffer and seasonal storage of CO2 below ground (similar to natural gas storage);
d) any technique or product that does not involve injection of CO2 into the subsurface; and
e) emissions of any GHGs other than CO2.
NOTE Some authorities might require other GHG components of the CO2 stream to be quantified.
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