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Introduction to well Logging
Wireline logging is a process that depends on lowering the logging cable into a drilled well by loggers for the measurements of physical, chemical, electrical, or other properties of rock/fluid...
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NMR Relaxation Processes
Polarization and Wait Times The time taken to align hydrogen protons in a magnetic field is dependent on T1 time. The process of alignment is referred to as polarization. Before...
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NMR T1 & T2 relaxation
This article discusses NMR T1 & T2 relaxation. To get basic understanding of NMR, we refer readers to go through article NMR Introduction. T2 relaxation is related to the detection...
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NMR Introduction
The basic physical principle of NMR measurement relies on the fact that the molecular behaviour of certain materials can be affected by the action of a magnetic field. Just as...
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Automated Well Log correlation
Well-log correlation is one of the most important step in subsurface reservoir characterization. Numerous algorithms have been developed to automate well to well correlation. In this article we would discuss...
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Hydraulic Fracturing
Hydraulic fracturing has been used in the oil and natural gas industry for the last 75+ years, booming for the last 10+ years, producing hundreds of trillion cubic feet of...
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Water Flow Logging
Water flow logging part of pulsed neutron logging ,it is based on principle of oxygen activation. It quantifies the amount of oxygen flowing in and outside the casing. As oxygen...
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Carbon-Oxygen Interpretation
Carbon-Oxygen Interpretation for reservoir monitoring in unknown or fresh formation water Carbon-Oxygen (C/O) interpretation is used for oil saturation evaluation behind casing. As C/O interpretation is based on carbon and...
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Reservoir Characterization Challenges
In-order to provide our customers with exceptionally good project management support at lowest possible cost ,Oilfield Knowledge has build an in-house team of highly acknowledged ,internationally experienced professionals and our...
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Sigma Saturation Interpretation
Sigma interpretation is used for cased hole saturation evaluation in reservoirs having high formation water salinity. This article is fourth in series of articles we are writing to cover cased...
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