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With AGR Drilling Services’ support, IODP led an engineering effort to adapt existing technology to drill very deep holes in very deep regions of the ocean,” says Engineering Manager Greg Myers. “Up to now, riserless mud recovery drilling was limited to shallower water depths. This ultra-deepwater drilling technology allows scientists to investigate subseafloor areas in great depths, where oceanic crust may be thinner—such as in waters off Hawaii.” According to Myers, an ultra-deepwater RMR™ system could be implemented as early as July 2011.
BERGEN, Norway -- AGR Drilling Services, Shell, BP, and the Norwegian Research Council have undertaken a successful field trial of the deepwater riserless mud recovery (RMR) system at 1,500 m (4,921 ft) water depth. The new deepwater RMR system was deployed from the semisubmersible Atwood Falcon in Sabah, Malaysia in September 2008 and used during a live drilling operation for Sabah Shell Petroleum.
The RMR system returns drilling mud and cuttings from the seabed to the rig while drilling the top-hole section of the well, prior to installation of the riser. Top hole drilling conventionally discharges drilling fluid and cuttings onto the seafloor. AGR's RMR technology collects the mud at the seabed and pumps it back to the drilling vessel where it is cleaned and reused. This technology allows the driller to use engineered mud systems in the top-hole section.
Originally posted by westcoast
reply to post by PuterMan
As far as abiotic hydrocarbon, what about Serpentinization? I know it is just a theory, which means there are just as many people that believe as don't.
Conventional wisdom says the world's supply of oil is finite, and that it was deposited in horizontal reservoirs near the surface in a process that took millions of years. Since the economies of entire countries ride on the fundamental notion that oil reserves are exhaustible, any contrary evidence "would change the way people see the game, turn the world view upside down," says Daniel Yergin, a petroleum futurist and industry consultant in Cambridge, Mass. "Oil and renewable resource are not words that often appear in the same sentence."
Originally posted by westcoast
reply to post by PuterMan
Okay, I have to go to work (darn!) but I have to jump on here real quick.
This is why I love tossing ideas around here on ATS. It leads to greater knowledge and understanding. I had never even known about all of this stuff a few days ago.
I think I understand what you are saying now, and it makes sense. You are saying this serpentization process could exist, but you think that it must have to extend from the MOHO and into the upper layers if we were to tap into it, given the heat and velocity of the MOHO? So (conjecture here still ofcourse) let's say if this well had drilled down into the basement layer and hit this 'river' of abiotic hydrocarbon flowing up from the MOHO? This could explain the color/chemical make-up/heat/PSI of this oil...possibly.
While I still think it possible for them to have gotten into the MOHO, given that we just don't know for sure what is in there...I agree with you that it is more likely they have drilled into the basement layer (one above the MOHO).
Great article you linke, BTW. I have only skimmed the first part...will read the rest later tonight. But I want to highlight this comment:
Conventional wisdom says the world's supply of oil is finite, and that it was deposited in horizontal reservoirs near the surface in a process that took millions of years. Since the economies of entire countries ride on the fundamental notion that oil reserves are exhaustible, any contrary evidence "would change the way people see the game, turn the world view upside down," says Daniel Yergin, a petroleum futurist and industry consultant in Cambridge, Mass. "Oil and renewable resource are not words that often appear in the same sentence."
So according to this article, it is already suspected that abiotic (or young) oil exsists in the gulf...giving more credence to the theory that it may be what BP is dealing with.
I look forward to more input!!!