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Gold/Mining/Energy : Strictly: Drilling and oil-field services -- Ignore unavailable to you. Want to Upgrade?


To: Big Dog who wrote (83523)1/5/2001 8:51:18 AM
From: Big Dog  Respond to of 95453
 
Ocean Rig up 4.55% in Oslo trading today. Maybe that's a sign... (Probably not, but every little bit helps.)

big



To: Big Dog who wrote (83523)1/5/2001 9:07:18 AM
From: Second_Titan  Read Replies (1) | Respond to of 95453
 
M = 1,000

Mcf = 1,000 cubic feet

1,000 * 1,000 cf 1,000,000 cf

Mcf vs MBtu is referred to more by power generation and process industries because cost per mbtu is the relevant measure in making decisions. For example #2 oil vs NG, $1.75 gallon delivered means nothing to me until I look at the heat content of the oil and compare that to NG price per MBTU and relative efficiency the fuel is consumed at.



To: Big Dog who wrote (83523)1/5/2001 9:34:10 AM
From: pbd007  Read Replies (1) | Respond to of 95453
 
Big Dog

The NG futures contract on NYMEX is 10,000 MMBTU which is roughly equal to 10,000 MCF. I.E., one MMBTU is roughly equal to one MCF.

Not much talk on this board about BJS. Picked up some BJS and GRP yesterday to go along with current holdings of NBR and FLC/RIG. No natural gas boom without pressure pumping and drill pipe.



To: Big Dog who wrote (83523)1/5/2001 10:24:34 AM
From: kormac  Respond to of 95453
 
Big Dog,

There is roughly 1000 Btu's in 1 cuft of Natural Gas.
Well not exactly because:

Heating value of NG is 21502 Btu/lbm
Density of methane at 77 F is 0.0408 lb/cuft
so heating value of NG is 21506*0.0408 = 877 Btu/cuft
If you drop the temperature to, say 40 F, the heating value increases to 942 Btu/cuft because there is more methane in a cubic foot at lower temperature.

Natural gas is not purely methane so there might be some
inaccuracies in my calculations. It must be the case that
through the years the reporting by either millions of Btu per cuft and 1000 cuft have been taken to be interchangeable and they have been made the same by definition. Kind of like, was it Missouri legislature taht deemed the value of Pi to be 3, so that people do not have to remember the decimals. I am sure that I have this story off a bit, but not its spirit.

best Seppo

P.S. I have also wondered about this million Btu vs thousand cuft and this is what I have come up with. Any industry people can correct or add to this.



To: Big Dog who wrote (83523)1/5/2001 6:49:15 PM
From: Archie Meeties  Read Replies (2) | Respond to of 95453
 
North American NG is something like 1026Btu/cf or 1.026Btu/mcf.

But there's plenty of places that produce "rich" gas, in excess of 1100btu/cf, which commands a premium. Gas produced in Algeria, for some reason, is especially rich, making is easier to transport (doesn't need to be as cold).

This small bit of trivia reminds me... I can't remember any other time that information has gone your direction. For your willingness to share your experience with this stranger, many thanks.
eia.doe.gov