Upcoming Division Talks

A Focus on H2S Release Rate Submission Requirements 
Gerry LaPlante, Alberta Energy Regulator 

April 17th, 2019 | 12:00 noon 
geoLOGIC Room (2nd Floor), Aquitaine Tower, 540-5th Avenue S.W., Calgary

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The Alberta Energy Regulator (AER) requires an H2S Release Rate Package be available upon request for all wells targeting sour formations or any well that penetrates a sour formation.  The geological and engineering requirements for these type wells are outlined in Directive 056: Energy Development Applications and Schedules, Section 7.8.15, H2S Release Rate Assessments.  Public safety is paramount in drilling sour wells and it is vital that companies and the AER have a good handle on the expected H2S release rate for any potential sour well.  That being said it may be time to re-examine how release rate assessment data is currently being submitted, compared to how it could be submitted with a focus on the important and critical data. In reviewing these submissions over the last 10 years, I have  encountered reports that range from one inadequate page to one hundred and fifty pages of excess. The purpose of this talk is to provide guidance on the important geological and engineering aspects of H2S release rate assessments while focusing on the most critical data.  

Gerry LaPlante is a Certified Engineering Technologist (CET) who graduated from SAIT in 1988.  He is a member of the Alberta Society of Engineering Technologists (ASET) who has 17 years of experience at a commercial Oil & Gas laboratory, performing PVT, compositional and quality control analyses of gases, condensates and oil samples. His career at the AER started in 2006 in the Reservoir Engineering Group processing Directive 65 applications. In 2008 he transferred to the Geology Group and began calculating/reviewing H2S release rate submissions and providing support in well and reservoir classification.

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Division Profile

Division talks are held monthly. They are free of charge. No registration is required, and talks are open to the public. There will be a door prize, light snacks and coffee provided by sponsors. Attendees are welcome to bring their own lunch. 

Please visit our LinkedIn Group discussion page at: https://www.linkedin.com/groups/13525146

Operations Geology is an important sub-discipline of the practice of geology. As it pertains to petroleum geology, we include any geoscientist managing drilling operations from the office/home (including planning wells) and geosteerers. Operations geologists are uniquely involved in the drilling of a well from the initial planning stages to long after TD and the data have been properly distributed to stakeholders and/or lookbacks have been held.

Knowledge of one’s geological targets (conventional, heavy, or unconventional) is more important than it has ever been for well placement optimization, especially considering the introduction of new technology, such as horizontal drilling and multi-stage fracture stimulation. Beyond the typical geological capacity and experience, knowledge of stakeholder management, regulatory process and approvals, well planning, drilling processes, reservoir engineering, petrophysics, production, wellbore analysis technology, etc are also vital to the role of the operations geologist. These disciplines are commonly in conflict during drilling so prioritization and compromise of the well's objectives is also a skill.

Communication is another vital skill set of the Operations Geologist. Not only does the Operations Geologist communicate with their drilling engineer, directional driller, wellsite geologist (if present), and geosteerer (if present), but communication with their subsurface team, logging team, internal and external regulatory groups, as well as other internal and external stakeholders are also critical to drilling success. A common misperception is that Operations Geology is not its own discipline, the above paragraphs prove that while the Operations Geologist is truly a generalist, there are skillsets that are unique to the Operations Geologist beyond taking well calls in the middle of the night.

Topics may include, but are not limited to:
● The role of an Operations Geologist in safety.
● Questions to ask your wellsite geologist to aid in your collective interpretation of well data.
● Reading/interpreting striplogs, cuttings, cuttings technology
● Basic training/discussion of geosteering software
● Critical Regulatory knowledge (ie: D56)
● Best practices: dealing with unforeseen events, stuck pipe, collapsed hole, etc.
● Logging technologies, open hole, mwd, lwd
● Communication with drillers, directional hands, etc
● Drilling technologies
● Stakeholder management
● Geohazards-identification, mitigation, avoidance
● Data QC/QA - is that well really sour?
● Pore Pressure/Fracture Gradient prediction
● H2S Analysis and Regulatory Requirements for sour wells
● Data management and reporting

Committee Members

Division Chair: Kurt Armbruster, P. Geol. | email: kurt.eh@gmail.com


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