EP 02
Free Spans in Subsea Pipelines
What a free span is, what causes one, why vortex-induced vibration matters, and how spans are assessed, inspected and corrected.
[[release date]]
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LEARN·CONNECT·GROW
Subsea knowledge for a deeper tomorrow.
Technical explainers built from our own animated diagrams — and a hub taking shape around them for the engineers, crews and companies who work below the waterline.
Technical explainers for the engineers, crews and companies who work below the waterline.
Scroll to descend · 0 m to −3,000 m
EP 02 −120 m
EP 02
Scene built from primitives · not to scale
A pipeline that lost the seabed.
Scour, sand waves, an uneven bottom or a crossing: the support disappears and a length of pipe is left hanging. Then the current starts shedding vortices, the span vibrates at its own natural frequency, and a gap becomes a fatigue problem.
EP 02
THE HUB −300 m
One project, five territories.
Energy Academy Project starts as a technical channel. It is being built into a hub where subsea knowledge, the people who hold it and the companies that need it meet — one phase at a time, nothing promised before it exists.
- SubseaSystems
- EngineeringPractice
- CareersPeople
- SuppliersDirectory
- ConsultingSpecialists
- NowFree episodes
Explainers on YouTube and LinkedIn, sources credited in every episode.
- NextNewsletter & courses
Structured learning built from the topics the audience asks for most.
- LaterDirectory & introductions
A curated place to find subsea suppliers, consultants and talent.
EP 01 & EP 03 −1,500 m
EP 01
EP 03
Riser drawn from y = a(cosh u − 1) · horizontal run compressed for framing · not to scale
The column: risers and umbilicals.
Everything the field produces, and everything that controls it, travels this stretch of water. The riser on your right follows the catenary equation; the umbilical passing the camera carries the hydraulic, electrical and chemical lines that keep the wells alive.
EP 01
What is SURF?
Subsea Umbilicals, Risers and Flowlines: how a field connects to the host facility, and the main riser configurations (SCR, SLWR and FSHR).
[[release date]]
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EP 03
Subsea Umbilicals & PLSV Installation
What an umbilical carries, what is inside it, the main types and accessories, and how it is installed from a pipe laying support vessel.
[[release date]]
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EP 04 −2,400 m
EP 04
Mooring lines and suction piles · horizontal scale compressed · not to scale
What holds a platform in place.
At this depth a fixed jacket is out of the question. The facility floats, and the lines running past you carry it back to suction pile anchors on the bottom. Which concept wins — semi-submersible, TLP, spar or FPSO — comes down to water depth, sea state, storage and the riser system it has to support.
EP 04
Offshore Platforms
Fixed, jack-up, semi-submersible, TLP, spar and FPSO: how each one stays in place, and the criteria that point to one or another.
[[release date]]
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−3,000 m · Seabed
Courses
Courses are coming. Help us shape the first one.
We are planning structured courses that go deeper than the episodes. Tell us what you need and you will be the first to know when enrolment opens.
- Subsea systems fundamentals, from SURF to the host facility
- Built by practitioners, checked against the published standards we cite
- Course formats and dates announced as each one is ready
- Formats and pricing [[to be defined]]
Join the course waitlist
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For companies
Join the subsea directory. Coming soon
A curated directory of subsea suppliers, service companies and consultants, plus training for teams. Register your interest now and we will contact you before launch.
Planned
Directory listing
A company profile by category and region: engineering, installation, inspection, fabrication, consulting and training.
Planned
Team training
Onboarding and fundamentals for new hires and cross-discipline teams.
Planned
Introductions
Connecting companies with the right supplier or specialist, under transparent rules.
Community
Follow along and join the conversation.
About
Precision before polish.
Energy Academy Project is a subsea and offshore education initiative run by working practitioners. Our audience works in the industry and spots a technical mistake immediately, so accuracy comes first.
Behind it are inspection, welding and installation professionals with decades of field experience on offshore and EPCI projects. We keep them unnamed while current employment ties stand — the work is signed by the project, not by individuals.
Energy education today. A stronger tomorrow.
- The screen shows what we nameIf the narration names a component, you see that component — in real footage or in our own diagram.
- Our own illustrationsTechnical figures from books and standards are never copied; we redraw from scratch and cite the source.
- AI only for atmosphereGenerated imagery is limited to sea, sky and scale shots, never to close-ups of subsea hardware.
- Sources in every episodeEach episode ends with a sources card, and we check the current edition before citing a standard.
AI-generated footage
Contact
Talk to us.
Questions, topic suggestions, partnerships or corrections. We read everything.
[[contact email, e.g. hello@…]]