Page 19: of Offshore Engineer Magazine (Mar/Apr 2014)

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Analysis maintenance. With offshore a result across the sector. The

Fig. 2: The production ef? ciency challenge platforms, the persons on introduction of turnaround

Rig stats • Equipment projected as not ? t for purpose board (POB) limitation is preparation assessment and • Increased congestion of equipment and removal of the biggest single bottleneck readiness reviews will help

Worldwide redundant equipment to the implementation of give senior managers and

Rig Type Total Rigs Contracted Available Utilization • Replacement of obsolete equipment maintenance. It is dif? cult, business leaders early indica-

Jackups 411 354 57 86% • Operation outside original design or lack of turn if not virtually impossible, tors of the likely performance

Semisubs 192 172 20 90% down capacity

Drillships 96 87 9 91% to economically increase the of the turnarounds. • Reducing equipment and key system reliability 31 21 10 68%

Tenders

There are several different

POB on an aging asset. Hence, • Need to upgrade Safety, Escape and Fire to meet

Dependable 730 634 96 87%Total approaches for these assess- the challenge and removal of latest standards

Assets ments in the UKCS, with the low value maintenance work • Newly emerging deterioration mechanisms, i.e.

Gulf of Mexico changes in process ? uids, e.g. sand, H2S minority of operators having an is essential. All assets in the

Rig Type Total Rigs Contracted Available Utilization • Integrity of minor structures (handrails, walkways, effective and independent turn-

North Sea would proclaim to

Jackups 90 71 19 79% ladders) around assessment. ABB advo- prioritize maintenance using a

Semisubs 30 28 2 93% • Integrity of utility systems (air, nitrogen, HVAC, 23 21 2 91%Drillships cates a uni? cation of existing risk-based approach. However, cooling water etc.)

N/A N/AN/A N/A

Tenders assessment methodology into when this is challenged in

Electrical power limitations a