Production geologists take an active part in well planning within an oil company. Not only are they involved in working out where the unswept petroleum is to be found in a producing field, they will also take a leading role in proposing and planning well locations to recover these volumes. Wells are the key to unlocking extra reserves from a reservoir.
There are a variety of well types that can be drilled. These can be tailored to optimize the drainage of oil and gas fields according to thier specific reservoir geometries, rock properties, hydrocarbon fluid properties, and remaining hydrocarbon configurations. Wells can be aligned in various drilling patterns to ensure optimal recovery from a field.
Guidelines are given as to how to plan a well. This takes into account the well objectives, the justification for drilling the well, the well targets, and any drilling hazards likely to be encountered.
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Oil Field Production Geology
This book was written for students, new professionals in oil companies, and for anyone with an interest in reservoir geology. It explains the background to production geology in the context of oil field subsurface operations. It also gives practical guidelines as to how a production geologist can analyze the reservoir geology and fluid flow characteristics of an oil field with the aim of improving hydrocarbon recovery. Advice is given on how to search for the remaining oil volumes in a producing field, where these pockets are typically found, and then how to plan wells to target these volumes.