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The Number of Pre-Salt Fields Is Increasing, Along with Competition Among Companies and Their Technologies for Oil Growth
The enthusiasm of companies in the oil and gas chain is growing, with the return of the pre-salt auction calendar. With progress in this field, companies are preparing to offer various types of new technologies to help them overcome the technological challenges imposed by nature. One example of such a company is Ocyan, which has partnered with Magma Global to offer the market CompRise, a new hybrid riser model focused on deep and ultra-deep waters. According to Ocyan’s subsea director Marcelo Nunes, one of the advantages is corrosion resistance. He further stated that if there are opportunities and interests beyond Brazil, the company will also operate outside the country.
This technology is a decoupled system, where its structure as a whole connects to the production unit with the help of jumpers, which will be a single extra weight that the unit will receive.
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Its main differences lie in replacing the carbon steel risers at the end with Magma’s composite duct (which contains various elements). The duct floats and consequently allows for the reduction or even elimination of 100% of the buoys that were attached to ensure that the structure would float. In addition to the replacement of the carbon riser with the composite, there is also flexibility for connection with the flowline, while also providing buoyancy.
The major challenge of the pre-salt is the corrosion caused by carbon dioxide (CO2) and hydrogen sulfide (H2S), and this technology focused on application in deep and ultra-deep water fields, that is, the pre-salt. The CompRise structure was designed to operate precisely in this type of environment.
In addition to CO2 and H2S resistance, it is possible to assemble such a structure in less than thirty days, along with a series of cost reductions where extremely high-quality material is used. Previously, the assembly period lasted over four months, due to the need to weld all the piping.
Ocyan expects to compete in all deep and ultra-deep water fields, such as Sépia, Mero, Pão Açúcar, among others—all areas of Petrobras and IOCs.
There is still no forecast for when this entire qualification process will be completed, but Ocyan supports Magma in this process, although it does not have a date or any assumptions to provide to the market yet. There are already some design analyses in partnership with operating companies, even though there are currently no sales negotiations.
The market in the pre-salt area is growing, and companies like Ocyan are looking for improvements and better opportunities, but they realize that they need to innovate for that. Just like professionals, who need to be attentive to the market, changes, qualifications, and requirements of each area of operation.
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