Qualification of Biopolymer in an Offshore Single-Well Test
A single-well polymer-injection and back-production test has been performed in an oil and gas field offshore Norway. The objective of the test was to verify at field conditions the properties measured in the laboratory for the biopolymer schizophyllan.
Continued enthusiasm in the well-testing segment of the oil industry is apparent. Even though there was a smaller number of presentations among various conferences related to well testing in 2016, there are articles that contribute significantly for the experts and the upcoming generation.
Novel Solutions for Transient Sandface Temperature in Dry-Gas-Producing Wells
The application of high-precision downhole temperature sensors has resulted in pressure-transient analysis (PTA) being complemented or replaced by temperature-transient analysis (TTA).
A Nonisothermal Wellbore Model and Its Application in Well Testing
Although the wellbore is in a nonisothermal environment, heat transfer between the fluid in the wellbore and the formation is often ignored and temperature is usually assumed constant in data interpretation, which will lead to misunderstanding of the pressure profile.
Complex Reservoir Architecture Validated by Integrating Well-Testing Outcomes
This work presents a real field example in which the integration of well-testing and geological interpretations increased the understanding of a complex, heterogeneous reservoir.
Production-Logging Tools Facilitate Well Testing in Challenging Environments
The Pugang gas field, one of the biggest inland gas discoveries of the last decade in China, has hydrogen sulfide (H2S) concentrations as high as 10%, making surface- and downhole-facilities design and execution challenging.
Over the past year, despite the naysayers’ comments and predictions, the usual creativity and ingenuity of engineers and scientists in the oil industry were ubiquitous.
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