Otto Alcantara Santos
Louisiana State UniversityBefore joining academia, Mr. Santos was employed with Petrobras.
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Fiber-optic technologies—distributed temperature sensing and distributed acoustic sensing—have been experiencing an ever-increasing number of applications in the oil and gas industry as monitoring systems. -
Since the 1980s, many technical works have focused on improving the ability to detect hydrocarbons inside the riser and safely remove them from the system. This trend gained extra momentum with the advent of systems such as riser-gas handlers and managed-pressure drilling.
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Nonaqueous drilling fluids have been used extensively by the industry, particularly in complex drilling scenarios. They carry some concerns, however, with implications for well integrity.
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One of the more important aspects of well integrity during drilling operations is early kick detection. Recently, new technologies and re-search have been applied or developed to improve the kick-detection systems and to overcome some of the difficulties.
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The tragic blowout of Macondo has triggered many technical and managerial developments in the field of well integrity.
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Cementing operations represent one of the more critical aspects concerning well integrity.
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Statistics on well-integrity incidents are difficult to find in the literature. There are some examples of kick and blowout events, but normally they are scarce and focus on the number of incidents and their root causes.
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Otto Alcantara Santos, Petrobras, discussed the extensive training program for development of the company's engineers and the positive results it has produced.
