Resins
Composites Used For Repair by Statoil
Statoil has used composites to repair steel topside components for more than 10 years on the Statfjord and Gullfaks platforms, using wet layup methods designed for each application, says Melve. “We repaired four water lines at an onshore oil storage facility between 1983 and 1987,” he says. “After nine years,
Read MoreComposite Piping On Hoover-Diana
EDO supplied a drain system for Hoover-Diana, a deep draft caisson vessel (DDCV) put into service in May 2000 by Exxon Mobil and British Petroleum. Hoover- Diana, located in the Gulf of Mexico’s East Breaks and Alaminos Canyon Blocks at a water depth of approximately 4,800 ft, is designated as a DDCV instead o
Read MoreDesign Issues with Repair
The ability to repair in place, rather than replace, critical platform equipment systems like topside piping, flowlines and structural components is an attractive option for a platform operator. Composite piping is easily repairable using the same basic methods as the initial installation, says Kevin Schmit, m
Read MoreRTP Niches Into Low-Pressure Applications
Wellstream (a Halliburton business unit) supplies lightweight reinforced thermoplastic pipe, or RTP, which is designed for applications intermediate between those that can use low-pressure, unreinforced thermoplastic pipe or hose, and those that require high-pressure unbonded flexible pipe. Used mainly in onsh
Read MoreComposite Trusses For Large Structures?
Ebert Composites Corp. (Chula Vista, Calif., U.S.A.) is marketing a composite truss concept for large structures that has potential for offshore application. Since 1992, the company has focused on the development of large, all-composite lattice-type power transmission towers to replace galvanized steel towers.
Read MoreLooking Forward
Current composite tether designs are leveraged to take advantage of existing oil-field manufacturing facilities. The wirerope stranding facilities, umbilical closing machines, steel anchors and installation methods used today for steel and synthetic cables can immediately accommodate rope-style composite tethe
Read MoreComposite Pipe Valves Offer Corrosion-Free Performance
Composite valves and actuators have gained entry into offshore facilities, as well. At about one-third the weight of steel, fiber-reinforced composite flow control components are a welcome addition to piping systems and increasingly in demand for marine environments as a high-strength, corrosion-resistant alte
Read MoreInterplay Of Materials And Use Conditions Key To Design
A wide variety of thermoplastic resins is used for the inner fluid/pressure barrier layer, which contains the conveyed material and eliminates any possibility of weeping through the fiber composite. The most common are families of polyolefins (e.g., polyethylenes), polyphenylene sulfides (PPS), nylons (polyami
Read MoreDownhole Composites Boost Durability, Drillability
Halliburton Energy Services, Schlumberger Oilfield Services, Weatherford International, and Baker Oil Tools, all based in Houston, Texas (U.S.A.), offer composite downhole tools — made with both thermoplastics and thermoset resins — for a variety of applications. Halliburton’s FasDrill packers and plugs
Read MoreFiberglass Ideal For Dry Deluge System Applications
Around 1982, offshore platforms began using dry deluge systems, where the ring main is kept full of seawater but the downstream piping is dry. The dry piping is separated from the ring main by deluge valves, which automatically open and distribute water through the dry pipe to spray nozzles during a fire. This
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