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LWT™ Logging While Tripping™ |
Testimonials
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LWT Testimonial 4
Optimizing frack interval placement with horizontal logs has saved hundreds of thousands of dollars on completion costs.
- Completion Engineer, Central Alberta
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LWT Testimonial 3
I support LWT as a technology in horizontal wells, as it has given me low cost, low rig time petrophysical property information between the vertical wells in my reservoirs....
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LWT Testimonial 2
We now log wells where it was previously not economic or safe to acquire logging data due to geometry and hole conditions.
- Geologist, Montney Producer...
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"A Revolution In Formation Evaluation"
Logging While Tripping (LWT) is a patented formation evaluation technique in which quality open hole logs are acquired in a method that is more cost effective, uses less rig time, and has fewer inherent risks than wireline, drill pipe conveyed, or logging-while-drilling methods. LWT allows open hole logs to be acquired in horizontal and hostile hole conditions where logging was previously impossible or uneconomic.
View Datalog LWT operations animations on YouTube on the DatalogLWT channel at:
http://www.youtube.com/user/DatalogLWT/feed
LWT Advantages:
Safe
- Tools and radioactive sources safely located inside collar and retrievable
- Full well control including pipe rotation and circulation during logging
Cost Effective
- Significant rig time savings over wireline or pipe conveyed logging
- Costs less than rig time used in methods requiring separate pipe trips
- Considerably more economic than LWD data acquisition
- Satisfies regulatory requirements
- Provides complete formation evaluation
Simple
- Memory based, battery powered instruments; no wireline required
- Logs acquired through composite collar during normal pipe trip
Efficient
- Allows logging of problematic, directional, and horizontal wells
- Minimal impact on drilling operations (collar inserted behind bit at any time)
- No extra pipe trip required for insertion of LWT collar
- No hole conditioning required
- Compact equipment and small crew operation
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