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Subject ▼ Posted By ▼ Group ▼ Last Active ▼ Replies ▼
Ported vs. non-ported floats .... Dave Taylor - SPREAD Moderator Drill String Design 26 November 2014 18
Bi-centre bits vs. Under-reame... Dave Taylor - SPREAD Moderator Drill String Design 26 March 2013 7
Hard ground spud and potential... Peter Aird Drill String Design 24 April 2010 0
(4-straight) bladed stabiliser... Peter Aird Drill String Design 10 October 2013 5
PDC Under-reamers - Bit-BHA-UR... Peter Aird Drill String Design 20 March 2014 6
Drillpipe Washout David Brecknock Drill String Design 28 November 2014 8
Avoiding Stick Slip Simon Milne Drill String Design 13 August 2017 10
Jars Donald Mackay Drill String Design 24 November 2008 10
Jars Jars Jars Donald Mackay Drill String Design 13 December 2005 6
More Jars Mike Fraser Drill String Design 11 February 2009 1
BHA Inspection Criteria Tony Williams Drill String Design 20 November 2006 4
H2S effect on PDM elastomers Chris Henderson Drill String Design 03 December 2008 8
Jars and accelerators Chris Henderson Drill String Design 26 October 2012 5
Non Mag make Up Torques. Chris Henderson Drill String Design 10 February 2009 2
Dump sub theory Chris Henderson Drill String Design 24 December 2009 1
Hole Opening with motors Chris Henderson Drill String Design 27 May 2014 10
Hours on Connections and when... Chris Henderson Drill String Design 06 October 2011 6
Stabilisers or Reamers. Chris Henderson Drill String Design 29 July 2015 7
NB Stabilisation in loss zone. Chris Henderson Drill String Design 05 October 2011 3
Running 8" motors in 8 1/2" ho... Chris Henderson Drill String Design 25 November 2011 11