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A reservoir-conditions coreflood study was undertaken to assist with design of drilling and completion fluids for a Norwegian field. Multiple fluids were tested, and the lowest permeability alterations did not correlate with the lowest drilling-fluid-filtrate-loss volumes.

The papers selected for this issue cover advances and opportunities in well testing. They also apply reservoir fundamentals as well as sound engineering judgment, using quantity but also quality data sets from conventional and unconventional assets.

The purpose of the complete paper is to create a performance-based reservoir characterization by use of production data (measured rates and pressures) from a selected gas-condensate region within the Eagle Ford Shale.

The complete paper aims at a better understanding of the effect of channel content in complex fluvial channel systems on well-test-derivative responses.

The complete paper presents different methods of using pressure-transient data from WFTs; many of these methods are summarized here.

The adoption of emerging technologies is essential for all businesses, and even more important for well-­established industries because of the perpetual threat of disruption from competitors.

Considering the significant weight of drilling costs in upstream ventures, saving even a few hours of drilling could lead to substantial cost savings on the overall capital expenditures (Capex). Thanks to the big data revolution, cost optimization still has strong potential in drilling operations.

Stanford geoscientists have found a way to detect thousands of tiny tremors around hydraulic fracturing operations that could serve as predictors of eventual larger earthquakes.

YPF has followed an unconventional path up the learning curve to develop the Vaca Muerta, which could be the first big ultratight play developed outside North America.

Añelo is a small town in an arid, sparsely populated area with a new supermarket, police station, bank, skate park, hotel, and hospital. In the past decade the population has roughly tripled to 7,000, and in 5 years, it is expected to nearly triple again to 20,000.