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Reduced costs from premature crane wire replacement

A shift from discarding wire ropes on a timely basis to condition-based replacement helped an international driller save unreasonable costs.


Client: Major International Driller
Industry: Drilling
Asset: Jackup rig
Location: Indonesia
Year: 2019

Challenge

Maintaining the components of a crane is vital to crane usage. To prevent their cranes from breaking down, a major international driller, used to replace all the crane wires across all their rigs annually regardless of its condition.

While this avoids the equipment’s performance from being compromised, several wire ropes that are still in good condition are discarded, which consequently incurs heavy expenses.

Solution

Axess Singapore was commissioned to help optimize the client’s annual spending on the three cranes in one of their rigs in Indonesia. To address the problem, Axess sent a wire-rope specialist team to assess the condition of the components.

Several assessment methods were performed to identify the potential modes of deterioration at any section in the ropes. Guided by a more realistic discard criteria based on international standards, the team was able to pinpoint the ropes that are deemed unsafe for further use and those that could be extended through pressurized lubrication.

All of these were performed by the same personnel performing the crane condition evaluation, which includes detailed inspection of several other critical components of the cranes. By using multi-skilled personnel, Axess has reduced the logistics costs, personnel on board (POB) and carbon emissions.

Results 

Keeping the integrity of crane wire rope is critical to mitigating safety hazards, however, automatically discarding all ropes every 12 months can be inefficient, costly, and sometimes unnecessary.

By examining the wire ropes and analysing the findings against various discard criteria, Axess was able to determine which wire ropes are to be retained or discarded.

This condition-based maintenance was a milestone for the client as it saved them both time and money. According to the client, this approach would yield up to 43% cost savings per rig in a six-year period, which demonstrates a new cost-effective way of managing their crane components.  

 

Contact Information

Molde
Axess AS
Oscar Hanssens vei 5
6415 MOLDE
+47 982 43 600
Aberdeen
Axess North Sea Ltd.
Units 6 & 19 Robert Leonard Centre
Howe Moss Drive, Kirkhill Industrial Estate, Dyce AB21 0GG, UK
(duty): +44(0) 7912212854
St. John's
Axess Baffin Inc.
702 Water Street, Suite 201
St. John's, Newfoundland
+1 709 758 7937
Bergen
Axess AS
Kokstadflaten 35
5257 Bergen
(duty): +47 976 88 578
Houston
Axess North America Inc
15915 Katy Freeway, Suite 501
77094 Houston, TX
+1 (281) 994-0367
Ciudad del Carmen
Axess Operations De Mexico S de RL de CV
Calle Bosque de Ciruelos 180 PP 101
Colonia Bosque De Las Lomas CP 11700 Cuidad De Mexico
+52 938-152-7688
Stavanger
Axess AS
Koppholen 25, 4313 Sandnes
Stavanger, Norway
(duty): +47 982 43 600
Rio de Janeiro
Axess do Brasil Ltda
Rua Dezenove de Fevereiro
171 - Botafogo
CEP 22280-030 Rio de Janeiro
+55 (21) 4108-0532
Accra
Axess Petrorig Ghana Limited
3rd floor, The Pelican
8 Blohum Street, Dzorwulu, Accra, Ghana
+233 (0) 30 397 0548
Luanda
Axess Luanda
Rainha Ginga
27 Luanda, Angola
+27 82 202 5266
Cape Town
Axess Africa Ltd.
1 Nares Street
Observatory
7925 Cape Town
+27 82 202 5266
Trondheim
Axess AS
Nedre Bakklandet 58C
7014 Trondheim
(duty): +47 982 43 600
Orkanger
Axess AS
Grønøraveien 1
Orkanger
7300 Orkanger
(duty): +47 41 78 06 30
Oslo
Axess AS
Filipstad Brygge 1, 3rd Floor
0252 Oslo, Norway
(duty): +47 982 43 600
Busan
Axess Offshore Korea LLC
#103 (Aju-dong Hyunjin Evervil) B1 Yang 1-gil, Geoji-Si
Gyeongsangnam-do, South Korea
+82 10 2696 2016
Mumbai
Axess Offshore (Mumbai)
B2-306, 3rd Floor
Kanakia Boomerang,
Chandivali Firm Road
Andheri East, Mumbai- 400072, India
Singapore
Axess Offshore Pte Ltd
Nordic European Centre #05-31 South Wing
3 International Business Park
609927 Singapore
+65 6908 4174
Perth
Axess Offshore Australia Pty Ltd
304 Newcastle St
Perth WA 6000
+61 4 3373 0739
Perth
Axess Offshore Australia Pty Ltd
140 St Georges Terrace L28,
Perth WA 6000
+61 4 3373 0739
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