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Reservoir Services - Inversion/Rock & Fluid Properties

InversionTo 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.

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.

pdfNew Inversion Methodology Improves Tie Lines Matches on 2D Surveys (presented at SEG, October 2009)

pdfModel-based PP-PS Joint Inversion - A Sensitivity Study on Method, Input Data Type, Initial Model and Noise Level (Presented at EAGE, June 2009)

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

 

AVO/Attributes
Inversion/Rock & Fluid Properties
Enhanced Resolution
Seal Capacity/Pore Pressure
Reservoir Description
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