PVT and Flow course - OBM Decontamination

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OBM Decontamination Explained

The talk about the oil-based mud contamination.
When drilling with oil-based mud (OBM) the collected fluid samples are often contaminated by hydrocarbons originating from the oil-based mud. To obtain a proper measure of the in situ reservoir fluid the sample composition needs to be decontaminated and that can be done very accurately.

OBM Decontamination Example

Problem solved using Excel spreadsheet.

Other lectures from the PVT and Flow course

• Blog:PVT and Flow course - Gas or Oil Reservoir?
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• Blog:PVT and Flow course - Multi-Component Phase Diagrams
• Blog:PVT and Flow course - K Values
• Blog:PVT and Flow course - Flash Calculations
• Blog:PVT and Flow_course - Surface Separation Processing
• Blog:PVT and Flow course - Sampling
• Blog:PVT and Flow course - PVT Lab Tests
• Blog:PVT and Flow course - OBM Decontamination
• Blog:PVT and Flow course - Lab PVT Tests CCE
• Blog:PVT and Flow course - LAB PVT Tests Multistage SEP
• Blog:PVT and Flow course - Lab PVT Tests DLE
• Blog:PVT and Flow course - Lab PVT Tests CVD
• Blog:PVT and Flow course - Black-Oil PVT
• Blog:PVT and Flow course - Rate Equation (Darcy) Intro

Class notes developed during lectures are available as PDF files, named with the format yyyymmdd.pdf located on: http://www.ipt.ntnu.no/~curtis/courses/PVT-Flow/2016-TPG4145/ClassNotes/

See also

Curtis Whitson Petroleum Engineering Videos

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