NAUTIC awarded new grouting services contract, Gulf of Mexico

abarrelfullabarrelfull wrote on 28 Jun 2014 19:49

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HEEREMA MARINE CONTRACTORS AMERICAS recently awarded a contract to NAUTIC for the provision of grouting services as part of the installation of four new offshore platforms: PP-Ayatsil-A, PP-Ayatsil-B, PP-Ayatsil-C and PP-Ayatsil-D, to be located at -120 m water depth in the [ Ayatsil-Tekel field], approximately 120 km Northwest of Ciudad Del Carmen, Mexico.

For this project, NAUTIC will mobilise a state-of-the-art Silo System to store and continuously supply high quality grout at a pumping rate of up to 25 tons per hour. This will allow the completion of skirt pile grouting of each 8-legged platform in just 2 days. The grouting works will be carried out from Heerama’s semi-submersible crane vessel (SSCV), Hermod. NAUTIC will supply NaX™ Q110, a high strength cementitious grout that exhibits the following properties:

  • High Early Age Strength – NaX™ Q110 can achieve a compressive strength and a Young Modulus of up to 46 MPa and 12 GPa respectively after 24 hours at 14 °C (estimated temperature at -120 m water depth). The high early age compressive strength and Young modulus will allow the platform jackets to be loaded with the topside within 18-24 hours after grouting.
  • Self-Sealing – NaX™ Q110 has self-sealing properties because it contains aggregates that help reduce leakages. NaX™ Q110’ self-sealing properties minimise and prevent further leakage as often rubber seals at the bottom of jacket legs and sleeves are frequently damaged by pile driving.
  • Cohesiveness – NaX™ Q110 is very cohesive; hence grout returns can clearly be observed therefore limiting wastage and thereby reducing contingencies and costs for our Client.

The award of this new contract will be the spring-board for the development of NAUTIC Group in the GOM Region from its new base in México.

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