Pressure Temperature Log
From Open Energy Information
Exploration Technique: Pressure Temperature Log
[edit]
Exploration Technique Information | |
---|---|
Exploration Group: | Downhole Techniques |
Exploration Sub Group: | Well Log Techniques |
Parent Exploration Technique: | Well Log Techniques |
Information Provided by Technique | |
Lithology: | |
Stratigraphic/Structural: | Perturbations in temperature or pressure can be indicative of faults or other structural features |
Hydrological: | fluid cirulation, over-pressured zones, and under-pressured zones. |
Thermal: | Temperature profile with depth |
Cost Information | |
Low-End Estimate (USD): | 0.60 60 centUSD / foot
6.0e-4 kUSD 6.0e-7 MUSD 6.0e-10 TUSD |
Median Estimate (USD): | 1.48 148 centUSD / foot
0.00148 kUSD 1.48e-6 MUSD 1.48e-9 TUSD |
High-End Estimate (USD): | 2.50 250 centUSD / foot
0.0025 kUSD 2.5e-6 MUSD 2.5e-9 TUSD |
Time Required | |
Low-End Estimate: | 1.23 days 0.00337 years / job
29.52 hours 0.176 weeks 0.0404 months |
Median Estimate: | 1.46 days 0.004 years / job
35.04 hours 0.209 weeks 0.048 months |
High-End Estimate: | 2.39 days 0.00654 years / job
57.36 hours 0.341 weeks 0.0785 months |
Pressure Temperature Log:
After a well is drilled to a desired depth a tool is lowered into the hole that measures temperature and pressure (and often flow) at depth. This information is plotted onto a log and allows production specialists or reservoir engineers to estimate the capacity of a well given the temperature and pressure profile.
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