All reports
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Milling large composite plug on coiled tubing
Use of composite plugs makes milling faster, but in this case a plug set in a…
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Drilling a slim lateral in chalk
Drilling of slim diameter laterals in the Southern North Sea carbonates can be troublesome due to…
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Milling damaged pipe on coiled tubing
Milling collapsed pipe is difficult and in this case it was done deep down in an…
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Reducing surface drilling torque in ERD well
The maximum drilling torque supplied from the Top Drive is defined by the highest peaks produced…
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Milling Production Packer on drill-pipe
A production packer was set in the wrong place and needed milling out from inside a…
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Using AST for directional drilling with rig heave
Bad weather on floating drilling facilities can make the heave compensator struggle and the WOB becomes…
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Drilling difficult sediments and hard chalk, offshore UK
Offeset data stated a minimum of two bit run was needed to reach TD in a…
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Drilling with slim motor BHA from floating rig
Drilling a slim hole from a semi-submersible in rough seas was almost impossible due to inadequate…
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Drilling three geological periods in one drill-bit run
Use of very aggressive PDC cutters, a RSS system with a mud motor and an AST…
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Drilling long HTHP multi-lateral wells
The AST principle provides a stabilized load on the bit in lateral and extended reach wells…