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7.48 gallons fill one square foot.

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Q: How many scf to 1 gas gallon equivalent?
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How do you convert BTU per lb to BTU per scf?

Btu / scf = Btu / lb X MW / 379.5 where: MW = molecular weight of the gas, lb / lb-mol The constant 379.5 is the molar volume at standard conditions of 14.696 psia and 60°F


How do you calculate the volume of natural gas in a pipeline?

You could use the following Rule of Thumb: Multiply the square of the inside diameter, in inches, by the gauge pressure, in psi; multiply this by 0.372; the answer is the approximate number of cubic ft of gas (standard conditions) in 1,000 ft of line, e.g 7 inch ID pipeline, 8km long, operating at 65 barg: 8 km = 26246 ft = 26.246 kft 65 Bar = 942.7 psi so, 7 x 7 x 942.7 x 0.372 = 17183.5356 scf / 1000 ft of line, so total gas in 26246 ft of line = 17183.5356x26.246=450999.0753576 = 0.45 MMSCF of gas. Or, you could use, Pv=znRT, assume a z of, say 0.9 , lets say the pipeline is at 6 deg (normal temperature for a shutin subsea pipeline in the north sea) 65x (Pi x 0.1778 x 0.1778 x 8000/4) = 0.9 x n x 8.314x10-5)x (273+6) n = 618523 moles 1 kmol of a gas occupies 22.441 Nm3 at standard conditions t.f 618.523 kmol should ocupy 618.523 x 22.441 = 13880.274643 Nm3. 1 Nm3 = 37.326 SCF, therefore, 13880.274 Nm3 = 518095.131324618 SCF = 0.52 MMSCF.(Nm3 to SCF conversion seems to have different factors, I've seen it range from 34.89 to 38.9!!!). Not very far from the 0.45 the rule of thumb calculated!!!. It should be noted that the standard volume is independent of the particular gas in the pipeline, so we don't need to knwo the MW or density. Any gas at a given P&T will have the same number of moles (and hence standard cubic feet), the actual mass in kg will ofcourse depend on the molecular weight. Riz If you mean standard or normal volume, in case the pressure is considerably higher than the atmospheric value, you need to use an expression for the compressibility factor or take it from a table, depending on the values of pressure and temperature in the pipeline. You can then use a state equation for the gas (knowing its molecular mass), from which you'll be able to calculate its density at working conditions. By multiplying the density by the physical volume of the pipeline pi*D^2/4*L (L=length, D=diameter) you obtain the mass of gas, which divided by the standard or normal density gives you the desired volume.


How many cubic feet of nitrogen are needed to raise the pressure in an 8 inch diameter pipe 400 feet long to 20 psi?

To calculate the amount of nitrogen gas required to raise the pressure in a pipe, we need to follow these steps: 1. Calculate the volume of the pipe in cubic feet. 2. Apply the Ideal Gas Law to determine how much nitrogen is needed to achieve the desired pressure. Step 1: Calculate the Volume of the Pipe The formula for the volume of a cylinder (which is the shape of the pipe) is: V = \pi \times r^2 \times h where: • r is the radius of the pipe (half the diameter), • h is the length of the pipe. Given: • Diameter of the pipe, d = 8 inches, • Length of the pipe, h = 400 feet. First, convert the diameter to feet: d = \frac{8 \text{ inches}}{12 \text{ inches per foot}} = 0.6667 \text{ feet} The radius r is half of that: r = \frac{0.6667}{2} = 0.3333 \text{ feet} Now, calculate the volume: V = \pi \times (0.3333)^2 \times 400 \approx 139.3 \text{ cubic feet} Step 2: Apply the Ideal Gas Law The Ideal Gas Law in terms of volume and pressure is: PV = nRT Where: • P is the pressure, • V is the volume, • n is the amount of gas (in moles), • R is the ideal gas constant, • T is the temperature. To find the additional volume of nitrogen required to increase the pressure to 20 psi, we’ll compare the initial and final states of the gas assuming temperature and the amount of gas are constant. Using the relationship between pressure and volume at constant temperature and gas amount: \frac{P_1 \times V_1}{T_1} = \frac{P_2 \times V_2}{T_2} Since temperature T and n (number of moles) are constant, we can simplify it to: P_1 \times V_1 = P_2 \times V_2 Assuming the initial pressure P_1 is 0 psi (no pressure), the entire volume of the pipe must be filled with nitrogen at the final pressure of 20 psi. Hence, the amount of nitrogen required is equal to the pipe’s volume at that pressure. Thus, 139.3 cubic feet of nitrogen gas is required to raise the pressure in the pipe to 20 psi, assuming no initial pressure.


Related questions

How do you convert scfm natural gas to mcf?

(mcf/day*1000)/24=scf/hr (scf/hr)/24=scf/min


1 scf natural gas heat value?

The heat value of natural gas is typically around 1,000 British thermal units (BTU) per standard cubic foot (scf). This means that one scf of natural gas can produce approximately 1,000 BTUs of heat energy when burned.


How you can convert natural gas condensate to natural gas volume equivalent?

Veq = 133000*(Condensate specific gr/Mol wt of condensate) in SCF/STB Where, Mol wt of condensate = 6084/(API-5.9)


How many ccf 1 scf?

100


How many liters does 1000 FTS of Liquid Nitrogen equal?

According to metal-wear, one liter of LN2 will make 22.8 standard cubic feet (scf) of gas. 1 scf equals approximately 1 FTS, the exact conversion depends on the ambient temperature and pressure. So 1000 FTS / 22.8 scf = 43.9 liters of liquid nitrogen.


How many ccf in 1 scf?

There are 100 ccf (hundred cubic feet) in 1 scf (single cubic foot).


How do you convert normal cubic feet of gas to standard cubic feet of gas?

The formula is: Normal Cubic Feet = SCF * [T / (273 + 15.6)] * [ 14.73 / P] SCF = Standard Cubic Feet T = Temperature in kelvin P = Pressure in psi (absolute pressure, where 1 atmosphere = 14.73)


How does HCF relate to scf?

There are over a hundred meanings for scf, none of which appear to have much to do with HCF. If you spell out HCF and scf in full, you may have a better chance of a useful answer.


How many scf in an mcf of natural gas?

1,000 scf = 1 mcf. A cubic foot is commonly abbreviated cf and is a standard petroleum field unit. The m stands for 1,000. A bit of confusion exists. The metric SI system, considers k = 1,000 (kilo) and M = 1,000,000 (Mega). However, if the metric system is used, then it should be in cubic meters. The computer world give another standard with kilobytes and megabytes. See related links.


How do you convert BTU per lb to BTU per scf?

Btu / scf = Btu / lb X MW / 379.5 where: MW = molecular weight of the gas, lb / lb-mol The constant 379.5 is the molar volume at standard conditions of 14.696 psia and 60°F


Is the SCF dated in the title for a period of time similar to the income statement or for a point in time similar to the balance sheet?

The SCF is dated in the title for a period of time.


Can a Samsung SCF-4216F scan to pdf?

yes it does,