Well integrity/control
The authors describe a study in which leakage-rate modeling was performed to identify and evaluate the associated risks for designing a remedial action plan to safeguard a CO2 storage site.
The authors write that polymeric additives are effective in the design of complex systems to house important chemical reagents under challenging conditions.
Against a backdrop of global uncertainty and challenging economics, well integrity subject-matter experts have continued to prioritize human and environmental safety in production while pivoting their skills toward areas of growing importance such as carbon capture and sequestration. New technologies and simulation methods have allowed the authors of the three SPE pap…
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This paper examines current practices and developing trends in well construction and describes an alternative cementless approach to the discipline. -
SponsoredShell needed an easy-to-use, simple well monitoring solution. Could an IoT wireless solution measure up to a classic wired approach?
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Hiber, an industrial Internet-of-Things startup, announced that it has signed an agreement with Shell to provide well-integrity monitoring solutions globally.
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SponsoredWellbore deformation can occur at any stage in the life of a well. Whether a result of changes in temperature, pressure or tectonic forces, wellbore deformation may result in serious downhole issues such as restricted access for interventions or the loss of well integrity that may ultimately lead to premature well abandonment and significantly reduced economic perform…
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A wellbore repair tool was successfully deployed to rectify collapsed tubing in a remote well off the coast of Papua New Guinea.
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This paper’s authors describe the development of a coiled tubing (CT) nitrogen-lift design in which CT and geothermal reservoir simulations were combined to overcome modeling limitations.
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SponsoredWell monitoring hasn’t been easy. But it’s something that has to be done. Remote oil and gas wells are notoriously difficult to monitor. But new technology may make them some of the most advanced sites out there.
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Contractor renews incident-response partnership for 2 additional years.
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The average geothermal gradient in the subject deepwater field in Nigeria is 4.37°C/100 m, nearly twice the gradient in most fields. As a result, the magnitude of the expected annular pressure buildup (APB) during steady-state production is large enough to threaten well integrity.
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The complete paper discusses a geophone array, including four, three-component geophones deployed by wireline, that provides a solution for this problem by creating a 3D map of the acoustic environment.
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