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hey plunkster!

digimon7068

New member
what do you think of these new "efficient natural gas turbines" that ge is crowing about for electricity production? the university that i got my undergrad from had gas wells on their property and went through the trouble of having a pump station installed to regulate the pressure then installed two co-generation plants (natural gas powered turbines)...it was pretty much an epic fail...turns out they weren't very efficient.
 
they are trying to build them up here. If it wasn't for gov. money, they would not work and nobody would use them. I don't like them
 
what do you think of these new "efficient natural gas turbines" that ge is crowing about for electricity production? the university that i got my undergrad from had gas wells on their property and went through the trouble of having a pump station installed to regulate the pressure then installed two co-generation plants (natural gas powered turbines)...it was pretty much an epic fail...turns out they weren't very efficient.

I don't know much about the power systems guys. I was med systems for a few years.

Here's what I do know about GE.

1) they have some technically incredible guys.

2) they've got a lot of mercenary executive types

3) as I was leaving in mid 2004, there was a huge push to align with government. Prior to that, we aligned with macroeconomic markets. So if we thought jet engines were hot, we shifted dollars there. Now they chase government trends. I can't say that I blame them, because if government picks winners and losers, you better be in bed with the US government.

I wouldn't be surprised if they has an amazing solution, but I wouldn't be surprised if it were a steaming pile of government-subsidized garbage. I just don't know.
 
Without getting into nuclear, there are 3 basic types of power plants

Combined Cycle
Thermal
And Cogeneration

Combined cycle is the most efficient because, 1) the turbines are huge 2) it is a closed loop system that uses the waste heat to generate more electricity. The basic concept is you burn gas that expands like x6 which turn the turbines which turns the generators, the heat from this burned gas is then used to heat water, create steam, which turns steam turbines/generators.

The turbines used here are basically the same ones they use for Jet engines. Just as jets are replacing their old jets with more fuel efficient turbines, new power plants are being built to do the same. When I worked around this, I think a combined cycle plant had like 65% efficiency but that was 10 yrs ago.

Thermal just burns fuel, usually coal or fuel oil, to boil water to run the steam turbines. I think their efficiency is less than 50% (was).

Cogeneration – like your university used, is kind of like a combined cycle plant where they use the waste heat to generate another product that they need – usually either steam or cool air. To make these work, the plant needs to be fitted where the other product demand matches the waste heat generated. For your school, they were probably using this for heating or A/C. Since it is seasonal, the waste heat probably went unused for a good period of time.

In Thailand, they built this huge new airport out of glass. It is about 190 degrees there year around so it was the most inefficient structure ever. To help with that, they built their own cogeneration plant that supplied electricity to the airport and also A/C – which was needed 24/7. It was pretty efficient – probably like 58% but still not as high as a true combined cycle.

Hope that helps.

oh.. eat a dick pick
 
Without getting into nuclear, there are 3 basic types of power plants

Combined Cycle
Thermal
And Cogeneration

Combined cycle is the most efficient because, 1) the turbines are huge 2) it is a closed loop system that uses the waste heat to generate more electricity. The basic concept is you burn gas that expands like x6 which turn the turbines which turns the generators, the heat from this burned gas is then used to heat water, create steam, which turns steam turbines/generators.

The turbines used here are basically the same ones they use for Jet engines. Just as jets are replacing their old jets with more fuel efficient turbines, new power plants are being built to do the same. When I worked around this, I think a combined cycle plant had like 65% efficiency but that was 10 yrs ago.

Thermal just burns fuel, usually coal or fuel oil, to boil water to run the steam turbines. I think their efficiency is less than 50% (was).

Cogeneration – like your university used, is kind of like a combined cycle plant where they use the waste heat to generate another product that they need – usually either steam or cool air. To make these work, the plant needs to be fitted where the other product demand matches the waste heat generated. For your school, they were probably using this for heating or A/C. Since it is seasonal, the waste heat probably went unused for a good period of time.

In Thailand, they built this huge new airport out of glass. It is about 190 degrees there year around so it was the most inefficient structure ever. To help with that, they built their own cogeneration plant that supplied electricity to the airport and also A/C – which was needed 24/7. It was pretty efficient – probably like 58% but still not as high as a true combined cycle.

Hope that helps.

oh.. eat a dick pick

this is to long cliff notes. I think i got the gist of it however I read the bottom that says eat a dick pick. Lol
 
Without getting into nuclear, there are 3 basic types of power plants

Combined Cycle
Thermal
And Cogeneration

Combined cycle is the most efficient because, 1) the turbines are huge 2) it is a closed loop system that uses the waste heat to generate more electricity. The basic concept is you burn gas that expands like x6 which turn the turbines which turns the generators, the heat from this burned gas is then used to heat water, create steam, which turns steam turbines/generators.

The turbines used here are basically the same ones they use for Jet engines. Just as jets are replacing their old jets with more fuel efficient turbines, new power plants are being built to do the same. When I worked around this, I think a combined cycle plant had like 65% efficiency but that was 10 yrs ago.

Thermal just burns fuel, usually coal or fuel oil, to boil water to run the steam turbines. I think their efficiency is less than 50% (was).

Cogeneration – like your university used, is kind of like a combined cycle plant where they use the waste heat to generate another product that they need – usually either steam or cool air. To make these work, the plant needs to be fitted where the other product demand matches the waste heat generated. For your school, they were probably using this for heating or A/C. Since it is seasonal, the waste heat probably went unused for a good period of time.

In Thailand, they built this huge new airport out of glass. It is about 190 degrees there year around so it was the most inefficient structure ever. To help with that, they built their own cogeneration plant that supplied electricity to the airport and also A/C – which was needed 24/7. It was pretty efficient – probably like 58% but still not as high as a true combined cycle.

Hope that helps.

oh.. eat a dick pick

yeah...it helps...and, since i'm situated in the middle of the current marcellus shale madness, i'm very interested in what will become of all this gas that they believe is here...plus, i remember how excited my university was about the powerplants that they built but, it didn't take long before the excitement died down a lot...the efficiency just wasn't there at that time...however, this was probably 20 years ago.
 
yeah...it helps...and, since i'm situated in the middle of the current marcellus shale madness, i'm very interested in what will become of all this gas that they believe is here...plus, i remember how excited my university was about the powerplants that they built but, it didn't take long before the excitement died down a lot...the efficiency just wasn't there at that time...however, this was probably 20 years ago.

Marcellus is really a game changer for the NE. It will end up being the largest gas deposit in the US. Now instead of the south shipping gas that direction, used mainly for heating, NE will have it's own ample supply.

So much so that there will be an entire new industry of petrochimical and plastic plants built in the NE to take advantage of the supply.

In addition, lost of transport to come from natural gas and new cleaner power plants will be built to replace coal plants.

Coal States will not bitch too much as their job losses will be replaced with gas industry job gains.

Just a revitalization of the region over the years IMHO.
 
Marcellus is really a game changer for the NE. It will end up being the largest gas deposit in the US. Now instead of the south shipping gas that direction, used mainly for heating, NE will have it's own ample supply.

So much so that there will be an entire new industry of petrochimical and plastic plants built in the NE to take advantage of the supply.

In addition, lost of transport to come from natural gas and new cleaner power plants will be built to replace coal plants.

Coal States will not bitch too much as their job losses will be replaced with gas industry job gains.

Just a revitalization of the region over the years IMHO.

for the landowners in pa, it has the potential to make the lumber era look like joke...and there's still lumber era money here...and that shit happened a hundred years ago.
 
for the landowners in pa, it has the potential to make the lumber era look like joke...and there's still lumber era money here...and that shit happened a hundred years ago.

For sure... lets do the math. Say you own 160 acres of land and and you lease it. Probably got $5 or $6k/ acre for the lease plus 20% of all proceeds from the revenue.

Mr Bad Guy comes and drills a well that makes 8,000 mcf/day.

8,000 x $4.5 x 20% = $7,200/Day or $216,000/ month.

That is for owning a measly 160 acres or 1/4 sq mile. Almost the entire state of PA has marcellus under it.

The revenue and wealth coming that way will be epic.

Oh - and that does not include the nearly $1 million the landowner got for a lease bonus.
 
For sure... lets do the math. Say you own 160 acres of land and and you lease it. Probably got $5 or $6k/ acre for the lease plus 20% of all proceeds from the revenue.

Mr Bad Guy comes and drills a well that makes 8,000 mcf/day.

8,000 x $4.5 x 20% = $7,200/Day or $216,000/ month.

That is for owning a measly 160 acres or 1/4 sq mile. Almost the entire state of PA has marcellus under it.

The revenue and wealth coming that way will be epic.

Oh - and that does not include the nearly $1 million the landowner got for a lease bonus.

actually, the per-acre leases are all over the board...but the mcf for a couple of the wells that i have information on in bradford and tioga counties are around 12,000 mcf...the curves seem to be dropping off pretty quick though...it'll be interesting in a few years when we have some good historical data to work with (i do valuation work for people that are setting up trusts and family limited partnerships to hold the land and/or mineral rights).
 
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