Re: Abiotic oil


"Aidan Karley" <doIlookDAFTenoughTOpost@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
wrote in message
news:VA.00000b83.013ba071@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> In article <X%Qpf.640590$_o.312829@attbi_s71>, George wrote:
>> I should also point out that according to the IPAA, the deepest
>> producing
>> crude oil well in the states is 22,936 ft. deep (about 6.9 km), which no
>> doubt is the depth limit of production for that area (wherever it is).
>> The
>> deepest natural gas well is 26,536 ft. deep (about 8 km). It would be
>> really interesting to find out how much oil that deep oil well has
>> produced.
>>
>> http://www.ipaa.org/info/InYourState/
>>
> I don't know who IPAA

Independent Petroleum Association of America.

> are (an American industry body, at a guess?), but
> the figures sound reasonably sane, if you're talking about TVD - True
> Vertical
> Depth ; I've worked wells over 28,000 ft myself, but at a TVD of under
> 10,000
> ft and a profile that probably spells rude words if seen from the right
> angle.
> Certainly by sidetrack #7, everyone was running out of novelty in the
> curse
> and swear stakes.
> There are a number of people (companies, countries) that are
> looking at
> deep drilling as a source of natural gas where they know they've got
> deeply
> buried source rocks. Abu Dhabi for certain have been trying to develop
> gas
> from under their conventional fields. How much success they've had is a
> different question, and one I haven't been into the country to answer
> this
> decade, but the drilling sure is difficult. Getting to 26,000 ft with
> enough
> wellbore diameter to get completion equipment down there, and enough
> formation
> strength to support drilling processes, is no easy task (in particular,
> the
> balance between Equivalent Circulating Density of the drilling fluid,
> versus
> the static weight needed to keep the gas/ condensate/ oil in the hole
> while
> you're drilling). HPHT (High Pressure, High Temperature) drilling is fun,
> in
> the same way as it's fun driving at 95 mph in a car that has wobbly
> steering
> at over 100.
>
> --
> Aidan Karley FGS
> Aberdeen, Scotland,
> Location: 57°10'11" N, 02°08'43" W (sub-tropical Aberdeen), 0.021233

lol. I can appreciate that.

George


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