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MTR 100 getting by on trials, loans and a grant pipe is needed as slack. SeAlign is in- cement. The other windfall is the time and needs some real business soon to stalled at the platform or template and at saved leaving an exploration well. keep the offer available to an industry in the end of in? eld pipe by an ROV using need of stim alternatives. a trademarked connection system. The Risk-based abandonment ensuing savings are said to have con- “Do all wells need the same require- tributed to the massive cost reduction ment,” the Class man asks somewhat

Subsea Design SeAlign operator Statoil is reporting at its giant rhetorically. DNV GL is hoping to fos-

While all good things, it might be ar- gued, contribute to IOR, calculations Sverdrup ? eld development, for which ter site-speci? c regulation for P&A that that identify time lost on “simple” but 72 SeAlign connectors have been or- would even the playing ? eld, as Norwe- dered in 8”, 12”, 14” and 16” sizes. gian P&A rules require ? lling a 100-me- costly things — like connecting pipe- ter top-hole plug, although 8 m is enough lines not about to meet in perfect align- in other oil provinces. The RP includes ment — are not always prized.

Subsea Design WLR marine wells based on ISO 31000 stan-

Subsea Design from unsung scrap-

For that other overarching priority dards. The recommendation follows a metals town Drammen is acutely aware in today’s industry, heightened safety, P&A project at the Huldra ? eld, where of the industries struggles with aligning

Subsea Design has also engineered a Statoil learned that one double barrier connections not in alignment, so they’ve wellhead load-relief system, or WLR, to was as good as ? ve single barriers and come up with their trademark SeAlign: carry the weight of whatever is brought would earn a savings of 100 million a tool that precludes the need to posi- to bear on a well, but especially risers, kroner on the test wells involved. Some tion massive “pipe-bending” structures blowout preventers (BOPs) or contain- 3,000 wells on the Norwegian continen- or pricy connection equipment.

Subsea Design’s patent for solving ment equipment. Already tested by tal shelf need P&A work, so many are stately Statoil between 2014 and 2016, quietly excited about the RP. Although misalignment is called a “self-aligning” connector and cuts stress on tubulars the WLR was found to cut “inert and he didn’t specify, the DNV GL man dynamic bending and loading” by up to said new technology — not just cement and space on the pipe spool, since less 90 percent. This “shock-absorber” for pours — would also help bring the cost taking on wellhead weight also extends of P&A down the operating weather window for drill- ing by granting a bit more rig drift. Im-

Wind-Powered Oil Recovery ages show the WLR installed on a BOP

As classi? cation societies go, DNV- and looking ? exed to buttress its load. GL is perpetually on the cutting edge ei-

Introducing the

Four to eight lines of clamps wires and ther along or via Joint Industry Projects advanced tensioners secure the BOP in (JIP) to push the envelope and deliver place atop the wellhead or x-mas tree. seemingly futuristic technical solutions


Trial analysis included seabed compres- to some of the world’s more vexing mar- sion and casing studies, and (judging itime and subsea problems. Courtesy of by the PowerPoint) fatigue life or “al- a DNV-GL-led WIN WIN JIP, the orga- lowable days of drilling (completions or nization has delivered again, announc- re-entry)” increased (with the WLR) by ing an innovative solution designed to from 50 to 5,000 days!

both help the environment as well as the pro? tability of the beleaguered oil and gas industry: Wind-Powered Oil Recov-

DNV GL ery. Speci? cally the plan is designed


It was at Subsea Valley in April 2016, $?RUGDEOH to use ? oating wind turbines to power

Thrusters that a DNV GL wells expert revealed a water injection system. JIP partners that new, “alternate” plug and abandon- &RQ?JXUDEOH include ExxonMobil, ENI Norge, 3RZHUIXO ment strictures were on the way. The Nexen Petroleum UK Ltd., Statoil, ([SDQGDEOH new recommended practice is based on

VNG Norge, PG Flow Solutions and

Easy to Open Source a risk-based abandonment assessment.

ORE Catapult. “We can now see re-

Operate Software

Norway is part of a $5 billion well newable energy as a large scale source

Easy to

P&A market, a source told MTR, and of power to offshore oil & gas opera- 5HOLDEOH $VVHPEOH this high cost of decommissioning was tions. By using the recent developments the driver of the new RP. The Norwegian of ? oating offshore wind turbines this market is “35% of that estimate.” Much concept can offer a clean, reliable, and bluerov.com2 of the cost is related to getting a jack-up cost effective alternative for powering rig above subsea wells with supplies of

July/August 2016 44


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