The History Of The Pennsylvania Oil Boom And Petroleum Industry

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Only about 20% of exploratory wells drilled in geologically favorable locations yield commercially viable quantities of oil. Suppose four wells are independently drilled in favourable locaions.
What is the probability at least two wells will yield oil?

the answer given in the text book is 0.1808

Set up the binomial distribution with:
n = 4
p = .20
(1-p) = .80

We are trying to find P(X>=2) which is P(2) + P(3) + P(4), or we can take a shortcut and find [1 – (P(0) + P(1)) using the laws of probability.

P(0) = n!/((n-x)!) p^x (1-p)^(n-x)

P(0) = 4×3x2/(4×3x2) (0.2)^0 (0.8)^4 = 0.4096

P(1) = 4×3x2/3×2 (0.2)^1 (0.8)^3 = 0.4096

1 – (0.4096 + 0.4096) = 0.1808

Only about 20% of exploratory wells drilled in geologically favorable locations yield commercially viable quantities of oil. Suppose four wells are independently drilled in favourable locaions.
What is the probability at least two wells will yield oil?

the answer given in the text book is 0.1808

Set up the binomial distribution with:
n = 4
p = .20
(1-p) = .80

We are trying to find P(X>=2) which is P(2) + P(3) + P(4), or we can take a shortcut and find [1 – (P(0) + P(1)) using the laws of probability.

P(0) = n!/((n-x)!) p^x (1-p)^(n-x)

P(0) = 4×3x2/(4×3x2) (0.2)^0 (0.8)^4 = 0.4096

P(1) = 4×3x2/3×2 (0.2)^1 (0.8)^3 = 0.4096

1 – (0.4096 + 0.4096) = 0.1808

I just want to play music from my laptop through my boom box and I was wondering if there was a connector cord that would do the trick. The computer has two head phone jacks; one for output and one for input. The potential problem, my boom box only has one head phone jack for output, not input. Is there any way I can get this to work? Please post a link to the magical cord if it exists. Thanks

First off, the computer doesn’t have two headphone jacks. It havs one output jack to be used for speakers or headset and an Inputer jack to be used to plug a microphone in. To play your laptop through your boom box, you need to have some sort of input on it. Say a jack labeled "Mic" or maybe "AUX". If it doesn’t, you’re out of luck. If you’re lucky, you can get a 2.5 mm plug on one end and plug it into your laptops output jack. On the other end would also be 2.5 mm plug to plug into your boom box. How ever if your boom box doesn’t have a place to plug in a 2.5 mm plug as input, it could have RCA jacks for inputer in which case you’d plug the 2.5 mm plug into an adapter to input at the RCA jacks. Good luck.

I just want to play music from my laptop through my boom box and I was wondering if there was a connector cord that would do the trick. The computer has two head phone jacks; one for output and one for input. The potential problem, my boom box only has one head phone jack for output, not input. Is there any way I can get this to work? Please post a link to the magical cord if it exists. Thanks

First off, the computer doesn’t have two headphone jacks. It havs one output jack to be used for speakers or headset and an Inputer jack to be used to plug a microphone in. To play your laptop through your boom box, you need to have some sort of input on it. Say a jack labeled "Mic" or maybe "AUX". If it doesn’t, you’re out of luck. If you’re lucky, you can get a 2.5 mm plug on one end and plug it into your laptops output jack. On the other end would also be 2.5 mm plug to plug into your boom box. How ever if your boom box doesn’t have a place to plug in a 2.5 mm plug as input, it could have RCA jacks for inputer in which case you’d plug the 2.5 mm plug into an adapter to input at the RCA jacks. Good luck.

I’ve got a coursework to hand in and i think I’ll get a better grade if I say how finding out the viscosity of oil help solve problems. There is a definite link. Can someone help?

Just knowing what I know about oil and gas law, the viscosity of oil is important because we have to use machines to drill and extract the oil from the ground. The thicker or more viscous the oil, the more friction is caused along the extraction pipes. This requires more power (read: $) to extract it.

I’ve got a coursework to hand in and i think I’ll get a better grade if I say how finding out the viscosity of oil help solve problems. There is a definite link. Can someone help?

Just knowing what I know about oil and gas law, the viscosity of oil is important because we have to use machines to drill and extract the oil from the ground. The thicker or more viscous the oil, the more friction is caused along the extraction pipes. This requires more power (read: $) to extract it.

The contract would clearly state that all new oil drilled would go straight into the American market. It can not be sold to any other countries. This contract would then be made into law and then we would give them the go ahead to drill.

Would oil companies agree to this?
The only people advocating nationalization of the oil companies are the republicans who think drilling for oil 8-10 years down the road will lower oil prices.

You guys are living in fantasy land. The only solution is conservation and alternative technology. It works in other countries, don’t know why it can’t work in America.

I agree, but they won’t. America first!

The contract would clearly state that all new oil drilled would go straight into the American market. It can not be sold to any other countries. This contract would then be made into law and then we would give them the go ahead to drill.

Would oil companies agree to this?
The only people advocating nationalization of the oil companies are the republicans who think drilling for oil 8-10 years down the road will lower oil prices.

You guys are living in fantasy land. The only solution is conservation and alternative technology. It works in other countries, don’t know why it can’t work in America.

I agree, but they won’t. America first!

I am making massage oil for a craft fair I’ll be working at next weekend. I’m using grapeseed oil as my base and would like to make the following scented oils:

Vanilla Cinnamon
Lavender (or Lavender Lime, whichever ends up smelling best)
Rosemary Mint

I have been able to find some ratios for the last two, but not the Vanilla Cinnamon. Any help would be so appreciated! If you happen to know ratios for the other two, that would be great as well.

Thanks!

I assume you are using Cinnamon leaf. Although not as ‘hot’ as the essential oil from the bark, you still need to dilute Cinnamon leaf eo quite a bit. I would suggest no more than 3% of the blend be Cinnamon leaf eo. It will blend easily with the base oil. The Vanilla, on the other hand, will be a challenge to blend because it is nearly solid. You will need to heat it and the base oil and agitate while cooling to prevent the Vanilla from dropping out.
Good idea and good luck. A suggestion… Lavender and Rosemary go surprisingly well together.