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For the past 20 years, fundamental formation evaluation came from the triple combo--a series of separate sensors connected in a tool string. Now, the next generation of wireline measurements is reinventing the concept of wireline tools by integrating many measurements into a single, shorter, lighter package. This revolutionary technology addresses industry's growing demand for diverse, high-quality data and greater operational efficiency.
In the family of tools designed to help oil companies make effective use of expensive data, simulators play a key role in making sense of information acquired at different spatial scales and from numerous physical experiments. Simulation is one of the few tools available for modeling changes in a reservoir over various stages of production. Combined with other measurements, it promotes a higher degree of confidence in our understanding of reservoirs.
The RST Reservoir Saturation Tool, which bombards formations with neutrons and detects gamma rays from the resulting interactions, is rapidly becoming a complete stand-alone, cased-hole evaluation service. Measurements like elemental analysis, thermal decay times, porosity evaluation and production analysis help reservoir engineers locate bypassed oil, detect waterflood fronts, fine-tune formation evaluations and monitor production profiles.
Quality cement jobs depend on the ability to predict and manage overall fluid performance. An integrated approach to drilling and cementing services offers economic benefits with no increase in cost or risk. Total fluids management, proper application of displacement techniques and use of bottom wiper plugs to avoid cement placement failures without sacrificing effective annular mud removal are highlighted.
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