Underbalanced
drilling |
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Authors from Signa Engineering discuss recent changes to IADC definitions and
categories of Managed Pressure drilling. The article also gives examples of these new types of MP drilling, as well as more conventional methods. |
Casing while
drilling |
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Directional drilling with casing: What are the limits? This article probes what
diameter casing and what the radius are at the fatigue limit in drilling with casing. |
Well logging and
formation evaluation |
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Latest advances in MWD and formation evaluation. This is our well-received,
annual wrap-up of new technology in the areas of Logging While Drilling and Measuring While Drilling technology. |
Geology/Geophysics |
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Monitoring fluid movements at reservoir scale using EM. Authors from
Schlumberger and CNPC discuss resistivity variations due to changes in porosity, saturation (water, bypassed pay) and temperature (steam flooding). While crosswell EM
development started two decades ago, it is only today, with advances in processing, inversion techniques and following rigorous workflows, that it is available for
oilfield applications on a commercial basis. The field work described is the Gudao oilfield in Shandong Province in China. |
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Tying PS and PP seismic volumes. With increasing uptake of multicomponent
technology, putting the two volumes generated, namely, compression and shear, there is a need for a standardized, easier method an algorithm to replace
the present methods, including eyeballing and guessing. An author from The University of Texas tells how it's done. |
Deepwater
technology |
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Flow assurance: preventing wax deposition. This article from Multiphase
Solutions gives a thorough discussion of wax-RELATED PROBLEMS as they pertain to deepwater flow assurance. |
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Production of heavy crude in deep water. The deepwater surprise is that many of
the oils found there are degraded, which puts further strain on the economics of deepwater operations. Frontier Oil gives their perspective on how to produce it
economically. |
Petroleum
Technology Digest |
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Our popular, recurring feature that results from World Oil's association with the Petroleum Technology Transfer Council
will feature a case study involving a practical, cost-effective boost to production using novel technology. |
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