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SPE WA October Lecture- Geomechanics Assessment for Mature Fields

October 31, 2017 @ 5:00 pm - 6:00 pm


The redevelopment of mature oil fields has been, and will increasingly be, an important subject. Oil recovery from mature fields can be boosted by drilling infill horizontal wells and through the use of enhanced recovery and production optimization techniques. Years of production and significant reservoir pressure declines in mature fields could cause considerable changes in the in situ horizontal stresses in the reservoir sections and surrounding rocks. Reduction of in situ stresses could result in narrow drilling margins, increased risk of sand production and fault reactivation which in turn could make the drilling and completion of infill wells in depleted reservoirs operationally challenging. Therefore, a robust knowledge of rock mechanical properties, formation pressures, the magnitude of in situ stresses and their evolution with production and injection are essential for successful drilling and completion of new infill wells in particular and the redevelopment of mature fields as a whole. In this presentation, case histories from two mature oil and gas fields in the region will be presented to highlight how a systematic geomechanical evaluation can be used to address drilling and completion challenges in mature fields. The benefits of developing field scale 3D and 4D geomechanical models for mature fields will be discussed also.


Speaker: Sadegh Asadi,  Baker Hughes, a GE company


Sadegh Asadi holds a PhD in Petroleum Engineering from Curtin University. He has more than 10 years of experience in Mining and Petroleum sectors, having worked for research institutes as well as the service sector in Asia Pacific. Prior to joining Baker Hughes in 2011, he worked as a researcher at Curtin University and conducted rock mechanics laboratory experiments. In the last 7 years with Baker Hughes, Sadegh has experienced in mature field redevelopment, extended reach drilling, real-time data monitoring and drilling optimisation as well as sand production, control and management. He is presently based in Perth, Australia and holds the position of Senior Geomechanics Engineer for Baker Hughes a GE company. Sadegh is a member of SPE and ISRM societies.


October 31, 2017
5:00 pm - 6:00 pm


Abbas Khaksar
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Old Perth Boys School (Curtin University Perth CBD)
139 St Georges Terrace, Perth WA 6000, Australia
Perth, WA 6000 Australia
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