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Class-VI Injection Wells: Tips For CO2 Project Developers
A tremendous effort is needed to reduce current global emission from ~40 gigaton /year today to net-zero in 2050.
Key Insights
- Most of this efforts need to focus on avoiding and reducing emission (avoidance & reduction projects).
- What cannot be avoided and reduced (difficult industries like aviation and cement), it must be offset with carbon credits from removal projects (Nature Based Solutions and technology based solution like Direct Air Capture (DAC) and geological sequestration to achieve net-zero.
- Class-II & Class-VI injection wells are the two main categories that handle geological sequestration of CO2 ; former in the CO2-EOR storage ad the later in the Saline Aquifer storage.
- Class-VI wells; are the newest category for CO2 injection in saline aquifer, only two states have primacy to issue permits; N. Dakota and Wyoming
- The Class-VI permits is cumbersome, it may take years so plan ahead for the lead time
- If there is more than one well, than each well needs separate permit
- Having class-VI well permit does not automatically qualifies for the credit; California Air Resource Board's LCF that follow GHG protocol need to full fill more requirement
Bottomline
In order for CCS to gain traction, it has to move from one off project to Hub-development; with several sources and sink. The permitting and approval process also need to be automated, accelerated and more efficient. In US, there is a tremendous opportunity for a hub in a Houston Shipping channel with several industrial emitters and for geological storage in saline aquifers offshore and CO2-EOR hub in permian onshore.
Class-VI Injection Wells: Tips For CO2 Project Developers
If your CO2 injection project envisage geological storage in a saline aquifer in USA, a Class-VI injection permit is needed. Permitting for a geologic storage is one of the most important and time consuming step in a Carbon Capture & Sequestration (CCS) P
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