Early carbon storage research and development efforts in Canada and elsewhere began with “value-added” projects such as CO₂-enhanced oil recovery or CO₂ enhanced coalbed methane, where the increase in production helps to offset the costs of CO₂ and of its potential long-term storage. These projects provide a valuable opportunity to assess appropriate measurement, monitoring, and verification protocols for the geological storage component of carbon capture and geological storage technologies. Measurement, monitoring, and verification operations provide confidence that CO₂ has been injected and stored in an environmentally sound and safe manner. Multiple, integrated monitoring instrumentation systems are being deployed in CO₂ field demonstration research projects around the world and will provide experience that can be used in regulatory regimes for future commercial CO₂ sequestration scale projects. The Pembina field was chosen from several fields within Alberta, Canada, for a geological CO₂ storage monitoring pilot study, in which the injection of CO₂ was combined with EOR. As part of the project, an existing wellbore within the study area was used as a dedicated observation well. The design and initial results during cementing of this observation well were reviewed. The experience of implementing monitoring technologies was analyzed in order to assess existing knowledge for deploying downhole instrumentation used for monitoring and verification of CO₂ movements in the subsurface. Analysis indicates that the observation well allows direct monitoring and measurements at reservoir level of multiple variables through geophysical, geochemical, and geomechanical instrumentation, as well as the opportunity to carry out wellbore integrity studies under "in-situ" conditions. A postcement job and completion analysis that couples downhole measurements, analytical and numerical simulation was conducted to improve future installations. Downhole pressure gauges captured the dynamics of cement displacement and were key elements during post-cement job review and assessments of future well integrity. This research also include the performance assessment of the surface tiltmeter array, an indirect-nearsurface measurement technology, deployed in CSEMP—a CO₂ enhanced coal-bed methane pilot project located also in the Pembina Field. The experience and analyses gained from the installations provide valuable insight for CO₂ geological storage monitoring and risk/performance assessment.