Reaching Ultra Publications:


BOP technology advanced through hybridization

Excerpt: The offshore sector, following the 2010 Macondo blowout, is under a technical and engineering reform that aims to enhance BOPs based on lessons learned. The goal is to better control and shut in wells during all phases of drilling and workover operations by further analyzing standards, methods, equipment, and techniques linked to BOPs.

        Capping stack technology, which was instrumental in shutting in Macondo, continues to emerge as part of this reform, as an additional layer of protection for drilling and workover activities. A notable feature of capping stacks is the fact that their design and build synthesizes drilling and workover and production-based technologies. This, in turn, raises the following questions: Can BOPs themselves benefit from being infused with production-based methods and technologies? And if so, what are the potential benefits for future drilling...click here for full article

 Reference Pages: 70-72 | Publication: Offshore Magazine


Flying Leads and Production Schemes

Excerpt: The offshore landscape has greatly advanced since the era that witnessed the execution of the “first known” subsea completions in North America (Goodfellow, 1977). Such completions — undertaken in the 1940s in Lake Erie — can be said to have contributed to the shifting of surface-based equipment onto the seafloor to export a well’s product.

        The placement of topside equipment onto the ocean’s floor to export from a submerged well is known as subsea production. At the core of this form of production is the provision and distribution of Power & Communication (P&C) to subsea assets that make up a production scheme: the intertwining of the above elements is imperative since the future expansion of subsea production systems largely depends on the understanding of such elements, and their importance cannot be understated as this technology continues to advance...click here for full article

 Reference Pages: 16-17 | Publication: Ocean News


Flying Metal Frames

Excerpt: Prior to Work Class ROVs (WROVs) becoming a staple of deep­water operations, as highly advanced vehicles, there was a time when ROVs were held together by duct tape and tywraps—an era known as the Dark Ages—composed of the late 70s and 80s. And in this era, the RCV 225 vehicle, or flying eyeball, was an active participant. If today's generation were to see this vehicle on a Rig, it could easily be confused for the small and portable circular shaped, offshore satellites.

        The term/phrase flying eyeball, when used offshore—between different generations—can be equally confusing when describing a WROV, as this occurred in 2007—when we, the subsea intervention team, proposed the use of an ROV skid during operations. This resulted in a technical uproar, due to the vehicle being "tooled up", and having limited spacing. This gave rise to the ROV crew strictly...click here for full article

 Reference Pages: 72-73 | Publication: Underwater Magazine


Rigless Origins

Excerpt: Rigless intervention hit the scene in 1969 with Abu Dhabi's Zakum pilot program. Reaching Ultra's Fernando Hernandez explains how the technology has evolved to meet new challenges. The Zakum pilot program was launched in 1969, and with it, it introduced technology that is only now becoming viable. These ideas were employed and assessed over a three-year span in shallow waters near Abu Dhabi, including the development and execution of processing and separation at depth, with subsea power and controls, and distribution via the world’s first–subsea specific–electrical wet mate connector.

        Furthering the program’s significance was the fact that all facets of rigless intervention via wireline, as they stand today, were executed from a vessel .Of the three methods employed at Zakum, the use of a subsea lubricator to deploy wireline in open wate...click here for full article

 Reference Pages: 72-73 | Publication: Offshore Engineer


Flying Leads: The How

Excerpt: The previous article Flying Leads and Production Schemes served as a starting point for oil and gas professionals to further understand the manner by which lying leads provide and distribute power and communication to a subsea production scheme. In short, said article answered the “what” of Flying Leads—what they are and what they do—when bridging a path of continuity in open water. 

        The intent of this follow up article is to expand on theprevious article by intimately detailing — the less-covered facet of Flying Leads, the “how”— which applies to their deployment, handling, and mating via specific tools and methodsand, more importantly, how formidable obstacles are addressed and countered duringtheir installation. But to further understand the how of this technology, single conduit and bundled conduit Flying Leads must be defined and comparatively analyzed...click here for full article

 Reference Pages: 30-32 | Publication: Ocean News


 

Agnostic Valve Packs and ROV Availability 

Excerpt: In today's ever expanding deepwater realm, work-class ROVs, the muscle of subsea operations, must perform more than observation and manipulation. The ROV's manipulators are its primary means of operating valves, levers, and mechanical devices on assets without ROV tooling. However, when a valve must be rotated at 1,800 ft-lbs via a torque tool, or when saws are used for decommissioning work, manipulators as standalone devices are insufficient to perform such functions. This also applies when a pipeline must be remediated using an ROV skid.

        The commonality of these external kits (skids and ROV tools) is the inseparable linkage to valve packs for actuation to conduct subsea tasks. Categorically, valve packs fall in three subsets: those that are designed exclusively by an ROV manufacturer – with auxiliary valve packs – to enhance its vehicle's intervention...click here for full article

 Reference Pages: 112-114 | Publication: Offshore Magazine