Reservoir Services - Inversion/Rock & Fluid Properties

To find oil and gas in most plays, it is no longer sufficient to interpret from conventional reflectivity seismic. It is vital to know much more about both the rock and fluids before drilling. Advanced techniques, including Geotrace's RockRes^®, which uses pre-stack inversion to rock properties to better define prospects, make it possible to get oil and gas into your pipeline much sooner, and at higher rates.

Case Study: Nile Delta Reservoir using a Novel Broad Band Pre-stack Seismic Inversion to Rock Properties Technique

Pre-stack migrated gathers and existing wells are input to this process, which takes advantage of the amplitude and waveform changes with offset to arrive at estimates of P-wave velocity, shear-wave velocity, density, acoustic impedance, Poisson’s ratio, bulk modulus, Lame’s modulus and Young’s modulus. These provide essential insight into lithology, porosity and fluid content.

Geotrace has developed proprietary techniques, including definitive bandwidth-extending algorithms, to achieve spectacular images, even in challenging thinly bedded (± 20 ft) reservoirs, and in some of the deepest plays.

Acoustic Impedance and Gradient Impedance Inversion (AI-GI Inversion)

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