Offshore challenge mastered
Little did the geese resting on the salt marshes of Morecambe Bay suspect that a few kilometres away from the sea the drilling and production platforms DP3 and DP4 will cease production. The Morecambe Bay gas field has been tapped around 40 kilometres off the English coast of Blackpool since 1984. Now the gas production from the unmanned platforms has ended. As part of this decommissioning process, numerous Plug-and-Abandonment operations (P&A) have been carried out since summer 2019 in a process lasting around one year. HERRENKNECHT VERTICAL provided the technology, the necessary aluminium bronze ALBROMET. Thanks to this interaction, platform drilling with an inclined drilling unit (SDD) was carried out successfully and without problems. The aim of the operation was to close and seal the existing drill holes. As this was carried out successful, nothing stands in the way of renaturalisation.
In this complex project, the Slant Directional Drilling Offshore RIG was built on the DP3 and DP4 platforms on a mobile XY skidding system that was designed and built by HERRENKNECHT VERTICAL. The SDD-RIG can be moved linearly in two axes and can also be rotated 360 degrees. Another advantage was that the R&P Super-single-mast could be used with a mobility of up to 65 degrees for inclined and vertical operations. Thanks to this multi-dimensional alignment, the system can be moved in all levels and could be optimally positioned for this demanding task.
Mounting on heavy rails
The system type H288 is mounted on heavy rails and roller units especially in the XY skidding system, a coordinate processing unit. Highly stressed sliding plates made of aluminium bronze are used for precise guiding of the roller units. “It is obvious that extremely durable materials are required for this, which ensures reliable and precise work processes in this harsh environment,” emphasises Peter Lang, Managing Director of ALBROMET. HERRENKNECHT VERTICAL therefore relied on the ALBROMET high-end aluminium bronzes. The alloy ALBROMET 200 is used particularly in extremely difficult environments. It is not very sensitive to dirt or hard counter-sliding surfaces, even if they have a poor surface quality. It also proves its worth in the event of shocks or vibrations. It even guarantees a high level of functionality and safety when used in explosion protection.
High quality manufacturing
“A long service life, good sliding friction and emergency running properties and adequate wear resistance are the most important parameters for our customers,” says Peter Lang. His company has been a leading supplier of high-end metals for over 25 years. In this respect, the satisfaction with HERRENKNECHT VERTICAL does not surprise him, but he is pleased nevertheless. The difference to other aluminium bronzes lies in the high quality production of the material. The high demands on the part of ALBROMET with regard to the tolerances to be maintained in the material composition are decisive here and make the difference to comparable competitive products.
Machine processing is offered directly by ALBROMET as a special service. This way the customer receives everything from one source. Based on previous experience, customers value the problem-free processing and delivery reliability. The geese in the salt marshes of Morecambe Bay have no idea of any of this. If they knew, they could enjoy the certainty that the decommissioning of the two gas drilling platforms would not pose a threat to them – also thanks to the aluminium bronze from Albromet. More information at www.albromet.de
Die Firma ALBROMET (kurz für Aluminiumbronze und Metalle) wurde am 1.Juli 1994 von Rudolf Fürmetz, Friedrich Hübner und Peter Lang gegründet, Geschäftsführer ist Herr Peter Lang. Am Unternehmenssitz in Geretsried sind derzeit rund 25 Mitarbeiter beschäftigt. Heute ist ALBROMET in Deutschland und Europa führender Anbieter für high-end Aluminiumbronzen und Kupferlegierungen. Auch die CNC-Bearbeitung und Rohrbiegewerkzeuge aus diesen Werkstoffen zählen zum Angebot des Geretsrieder Unternehmens. Seit 1998 ist das Qualitätsmanagement der Firma ALBROMET nach ISO 9001:2008 zertifiziert. Der Einsatz von Handelsvertretern in Deutschland, Österreich, Italien, Tschechien, Frankreich und der Schweiz garantiert den Kunden optimalen Service durch fachkundige Ansprechpartner vor Ort.
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