Buoyancy module on landing string to expand floating rigs' deepwater operating range

摘要

The modules incorporate a polyure-thane coating to protect the syntactic material, developed and tested by Trelleborg, from the degrading effects of typical synthetic-based mud, while providing abrasion resistance. The system is designed to cope with the harsh conditions encountered inside the marine drilling riser. The solution boasts a high-temperature resistance and can operate in pressures up to 6,000 psi.To eliminate unnecessary additional rig time, the modules are assembled onshore and secured in enclosed bolsters, which are then delivered offshore. Post-job cleaning, disassembly and inspection are conducted at Landing Strings Solutions' Port Fourchon facility in the Gulf of Mexico.