Cover: Oilfield Review Winter 2011
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Editorial: Slickline for the Information Age
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Defining Completion: The Science of Oil and Gas Well Construction
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The drive to get the most from each reservoir is spurring developers to create increasingly sophisticated reservoir simulators. Whereas the earliest reservoir simulators of the 1930s were physical models containing oil, sand and water, today’s simulators use high-performance computing hardware and modern software engineering to handle fields of great complexity, and at great speed.
Slickline has remained essentially unchanged since its inception and, as a logical consequence, so have its uses. The recent introduction of digital slickline promises to change that by combining electric line capabilities with the strengths and simplicity of traditional slickline. Case histories from both the shallow and deep ends of the Gulf of Mexico demonstrate the potential of the new system.
For drillers, lost circulation events, during which whole drilling mud is lost to the formation, can range from nuisance to nightmare. To minimize the risks and nonproductive time associated with lost circulation, the industry has developed a suite of wellbore strengthening materials that work to inhibit fracture growth and keep drilling operations on course.
Rotary steerable systems provide a cost-effective, reliable and efficient means for drilling complex wellbore trajectories. However, slower positive displacement motors are still used for drilling high-angle wellbores when build rates exceed the capacity of rotary steerable systems.
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