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Added Value of Seismic Engineering: A Collaborative Way between Geoscientists and Engineers

Endro Hartanto1, Asep Samsul Arifin2, Jonly Sinulingga3, and Bambang Widjanarko4
1PERTAMINA EP, Cirebon, Indonesia
2Pertamina EP, Jakarta, Indonesia
3PERTAMINA EP Region Jawa, Cirebon, Indonesia
4PERTAMINA EP Region Jawa, Cirebon, Indonesia

Seismic engineering is simply defined as a branch of seismic that focus not only to solve reservoir problems but also to solve engineering problems. This broad definition implies that geoscientists and engineer have to be collaborating each others. The first example of this seismic engineering is Previous HitpredictingNext Hit pressure distribution in reservoir a dynamic property of reservoir. Pressure prediction from seismic data is useful not only in designing drilling program, but also useful for example in designing EOR programs to increase Previous HithydrocarbonNext Hit Previous HitrecoveryNext Hit. Some companies run 4D seismic program in order to run EOR programs. Whit analyze this time lapse seismic data, some dynamic parameters of reservoir could be monitor.
The simple process of Previous HitpredictingTop pressure distribution for EOR programs mainly has three steps. First step is deriving pressure distribution from existing well at the objective layer. Second step is constructing seismic attributes which related to pressure properties for that objective layer. And the final step is combining process of pressure distribution from well and seismic data.
The second example of this seismic engineering are time to depth conversion (TDC). According to seismic engineering definition, TDC is also basic input for casing design and another well materials which dominated by engineer. Because of increasing need of seismic engineering, an intensive communication between geoscientists and engineer to fine tune this shift paradigm are needed. With sharp goals of seismic engineering, the main objective of upstream oil and gas company hopefully increase.


AAPG Search and Discovery Article #90072 © 2007 AAPG and AAPG European Region Conference, Athens, Greece