A Sociedade Brasileira de Geofísica – SBGf promove, em 30 de maio, a palestra "POM – Permanente Oilfield Monitoring, ferramentas de geofísica monitorando a vida dos campos offshore de petróleo e gás." A apresentação será feita em inglês pelo presidente da Octio AS, Helge Brandsaeter.
O encontro será realizado na sede da SBGf (Av. Rio Branco, 156 sala 2509 - Centro, Rio de Janeiro) a partir das 17h30.
Inscrições podem ser feitas por e-mail para mkt@sbgf.org.br (gratuita para associados quites).
Resumo
Ethernet on the seafloor is now available offering an open "plug and play" architecture for all types of sensing devices. The cost for supporting such systems would otherwise prohibit application of sensors implemented on an individual basis. With a common open infrastructure in place for measurements and control, the implementation can now be done for a fraction of the cost. Like an iPhone where 'apps' are creating new uses for mobile phones, the new open system provides a platform for suppliers and users to develop their own 'apps' creating a new era for reservoir and environmental management.
The need and resulting benefits for monitoring the Reservoir, Overburden and Underburden, the Seabed and Water Column has become more acute as the industry increasingly uses injection wells for pressure support, reinjection of drill cuttings, and as it moves into more environmentally sensitive areas. A digital Permanent Oilfield Monitoring (POM) system will improve commercial oil recovery rates and reduce operational, safety and environmental risk.
The basic system includes sensors for conventional seismic data acquisition. To provide customers with the best in class sensing capabilities now and in the future, OCTIO has opened up the system to be accessible by all vendors to create a pathway for OCTIO's vision for a holistic approach to Permanent Oilfield Monitoring. These technologies and methods include investigating the Subsurface, Seafloor and Water Column. The Subsurface is monitored with both active and passive seismic, using advanced highly sensitive 4 Component (4-C) seismic sensors which record both Compressional (P-Wave) and Shear (S-Wave) acoustic seismic data that illuminates subsurface lithology based on the impedance (velocity x density) contrast between adjoining rock layers. This allows imaging and monitoring of the Reservoir, Caprock, Overburden and Underburden.
The Seafloor is investigated using both seismic and other types of sensors to detect areas of active leakage from the subsurface, as well as resulting subsidence and craters that can be significant environmental and safety hazards to facilities, human life and marine life. Warnings for possible incidents in progress are provided so that appropriate measures can be taken to reduce the environmental, health and safety impact of an incident.
The ocean can be monitored with Hydrographic and Biological Sensors suspended in the water column. The Hydrographic sensors provide real time temperature, current direction & magnitude, pressure, pH, salinity and velocity data that can be critical information in the event of an oil or chemical spill or leak. The Biological sensors detect Toxins and Pollutants in the ocean that can potentially threaten marine life and the environment.
The same thirst for more oil and gas that drives us to develop and implement new IOR/EOR tools, also motivates us to explore in more harsh, high-risk and environmentally vulnerable areas, such as ultra deep water and arctic regions. The consequences of accidents or incidents when drilling and operating wells in these areas are even more severe, requiring us to more carefully control operational activities, not only in the well and around infrastructure on the seabed, but also in the reservoir, caprock, overburden, underburden and water column. We should here-to-fore install POM systems that monitor these activities with special focus on parameters that warn us in advance with alerts to help us avoid future accidents from occurring.
Perfil do palestrante
Helge Brandsaeter é presidente da Octio AS. No passado, atuou como vice-presidente de P&D e COO para operações nos EUA (Houston) da Read ASA e da Read Well Services US (1998/2006). Diretor da Geco Defence AS (1997/98), Presidente e proprietário da Case Geophysical AS (1987/1997) e Senio VP da Geco AS (1973/1986).
Sobre a Octio
Fornecedora de soluções para Monitoramento Permanente de Campo de Petróleo (POM) com a perspectiva do ciclo de vida do campo que utiliza tecnologias e competências que envolvem monitoramento de reservatórios, integridade da rocha capeadora e monitoramento ambiental. O Sistema de Monitoramento de Reservatórios (ReM) da Octio é construido de acordo com os novos requisitos governamentais, acomodando sensores adicionais de meio ambiente que monitoram qualquer impacto proveniente das atividades de produção.
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