Technical Articles

Claxton has worked on projects ranging from straightforward equipment rental to world-beating innovations - often enhancing project economics. Learn more about these tasks, here.

Technical Articles
11.03.13

Norwegian Drilling Riser Success

Claxton has long been known for an ability to deliver at short notice without compromising engineering quality - our latest Norwegian riser for Statoil was no exception... 

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19.04.11

Bespoke Hydraulic Overshot

When a support vessel accidentally struck a production platform in the North Sea the resulting damage was fortunately limited. One effect of the collision, however, and an indication of its force, was a severe kink in one the platform's 20-in. conductors... 

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28.01.11

Satisfaction all round on Deep Panuke riser rental project

The Deep Panuke drilling riser project is a perfect example of something that Claxton is equipped to do probably better than any other company... 

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29.11.10

Wellhead Maintenance: Safeguarding against the unknown

A wellhead maintenance program can significantly extend the life of assets - improving field economics and minimising costly remedial work... 

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28.10.10

Underwater conductor pinning solution

Claxton's new drilling and pinning technology offers real advantages for recovering conductors with connector integrity or corrosion issues. ... 

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26.05.10

Valuable protection

You would be forgiven for thinking that there's not much to get excited about when it comes to protective structures. However, as Claxton has recently proved on a project for Senergy, with the right mix of experience and equipment it's possible to add real value to both the structure and the installation process... 

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29.04.10

Key contributions: Claxton template instrumental to Tombua-Landana

A Claxton template helps ensure first oil from Tombua-Landana at the earliest opportunity... 

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29.03.10

A game-changing abandonment

Claxton's rigless abandonment of Perenco Well A1 in Leman field in 2003 was a game changer: it was the first such project to be carried out in the North Sea without using a jackup rig.... 

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08.02.10

Guiding principles

Flexibility and teamwork ensure the success of an unusual project that added a new slot to an existing offshore platform... 

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08.10.09

Concentrated power

Claxton designers have used their ingenuity to supply a small but perfectly formed hydraulic power unit to upgrade the tensioning system on the Ensco 102 jackup drilling rig - part of a suite of upgrades designed to upgrade it's operating envelope... 

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07.04.09

Handling the tension

Claxton's new tilting tension system pushes the boundaries of what can be done to help drillers in the North Sea... 

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29.05.09

Template for success!

At first glance, the Volve field drilling template is hardly extraordinary. However, some of its design features, the way it was taken offshore and its installation process render the template really quite special... 

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15.12.08

Innovative tension rings from Claxton

The highly innovative Claxton slip activated tension ring provides added value by eliminating space-out issues and allowing the ring to be positioned on the riser at any point. This avoids lost rig time from welding operations - as required with conventional welded load rings... 

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15.12.08

Meeting the challenges of rig-less decommisioning

With the rising number of North Sea fields reaching the end of their useful economic life, an increasing number of operators are faced with well decommissioning projects. Operators have identified rig-less decommissioning of wells as a major cost saving initiative, but this involves technical challenges arising from the absence of a rig and many platforms having limited crane facilities. ... 

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15.12.08

Asset Life Extension: Managing and Developing Mature Assets

As assets age many operators are looking to extend their lifecycles by recovering slots, and drilling new wells. Claxton have developed a range of equipment and services to meet these challenges and address the rigless slot recovery, well abandonment and decommissioning market... 

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15.12.08

Tieback Engineering: reducing time to first oil

Adequate planning is the key to successful tieback of wells and takes care of the interface between drilling, structural and mechanical engineering and the myriad of variations that can occur... 

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17.12.08

The world's highest-pressure large-bore drilling riser

Acteon companies Claxton Engineering, 2H Offshore (2H) and Subsea Riser Products (SRP) have received an order from Venture Production plc to provide an ultra-high-pressure riser for use during a high-pressure, high-temperature (HP/HT) drilling campaign in the North Sea, which is scheduled for the fourth quarter of 2009... 

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23.02.09

Subsea Drilling Templates and Tieback Engineering offer savings

The use of pre-drilling with templates and tiebacks is an optimum choice for marginal fields where additional reservoir data are needed and where drilling-to-production time needs to be reduced... 

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