Here is a bit more of a breakdown. These are just the recent ones, can go back to 2013 but I think this clearly shows the industry position.
https://insolvencynotices.asic.gov....52316579/84a82c77-798c-4140-a550-9895ea946269
https://insolvencynotices.asic.gov....oticestate=All&companyname=macquarie drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
https://insolvencynotices.asic.gov....ose=All¬icestate=All&companyname= drilling
http://www.pinnacledrilling.com.au/