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Regen from slowing a vessel sounds difficult, progress with these things is made incrementally and easier things will be done first I guess. Coincidentally this morning the vessel I work on was testing a flywheel / battery system that regenerates from cranes / hoists as they lower loads. It should a...

I'd expect a ship like that to have at least 5 MW engines so, although it's a huge battery, it is still pretty tiny by ships fuel standards!

Yes, using very fine solids suspended in a carrier fluid is fairly cheap way to get a dense fluid.

It is possible to get true (solids free) fluids up to about 2.3sg (eg Cesium formate brine) but it is eye wateringly expensive (even for the oil industry).

If they are using clay it will be as a carrier for another weighting agent. In the world of drilling fluids this would be barite which would be capable of being mixed at somewhere between 2 and 2.5sg. (Hematite is occasionally used to get slightly higher densities). Water is a nasty thing though - i...

*some* farmers warn of zero harvest!
The last 18 months have been pretty much bang on average rainfall for us.

I can't believe I've been working on a drilling rig for 18 months and only yesterday heard that we are about to install an NOV 'Powerblade" system. In summary, one of our big power draws is the draw works - effectively a crane for pulling the drill string in and out of hole which goes up and do...

Word is that the Red John proposal has been bought by the "Norwegian Government" (which I would guess means Equinor).
I would think that if a buyer has been found it means there is a greater chance that this project will actually go ahead.

It brought a smile to my face when I checked my May generation and saw it was being reported in mW.

There is a farm dairy that I sometimes buy from which batch pasturises - milk is held at 63C for 30 mins, the taste is obviously different to milk which is continuously pasturised - 72C for 15s or even hotter and faster. Obviously no dairy supplying millions of less of milk is going to use the slow ...

If you've never seen the accelerated pace of climate change whilst having a mountain lunch to the sight of glacial collapse, I'd recommend the experience, woke my daughter & wife up to my hippie ideals over the years. 1. chair lift (return) from car park ..where folk also camp 😉. 5 minute ride ...