DSL has one of the most experienced pool of expertise to undertake
the upgrade of your Derrick to accommodate the introduction of a top drive
system or upgrade to a higher capacity unit. Since top drives were first
introduced we have carried out upgrades to every type of structure be it
onshore, offshore, dynamic or static. We have also modified structures from
most all original manufacturers, including but not limited to;
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Mastco
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Enfab
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Brown Services
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Branham
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Cardwell
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Dreco
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Joseph Paris
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L. C. Moore
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National Oilwell
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Skytop
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Turmeric
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Woolslayer
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We utilise the most up to date Engineering Software to analyse your structure
for the revised loadings, from this we can then pinpoint what modifications, if
any, are required for the structure to safely accommodate the new loadings
without exceeding the original design criteria of the structure. We can then
manufacture the modification kit, (excluding torque tubes) and carry out any
necessary modifications/upgrades on location.
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