Photograph-Problem with Packers
Posted by
Ankan Basu in
Core Drilling on
October 8th, 2009 |
one response
Here is one example of Problem with Packer Test- The Packer is Bent along with the 1 inch perforated pipeline in between the two Packers in a straddle Packer set up.
What could be the reason? Guess and reply.
Packers Bent due to some reason
Perforated Rods Bent
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Coal Geology & Mining 2008. All rights reserved. | 
The plastic behaviour of certain rocks such as conglomerates, breccia, and very coarse grained s.stones and coal and shale may be one of the factor causing the bending, particlarly when the drilling is deep and the diameter of drilling rods are less than 50 cm.