Oil Casing Weight Calculation Method and Influencing Factors

How to Calculate Oil Casing Weight: A Step-by-Step Guide

Calculating the weight of oil casing can be a tricky process, but it’s important to get it right. Knowing the weight of your casing can help you determine the amount of oil you can store in it and the amount of pressure it can withstand. Here’s a step-by-step guide to help you calculate the weight of your oil casing. Step 1: Measure the Length and Diameter of the Casing

The first step is to measure the length and diameter of the casing. You’ll need to measure the length in feet and the diameter in inches. Step 2: Calculate the Volume of the Casing

Tensile and Hardness Requirements
grade			Yield Strength MPa		Tensile Strength	Hardness a,c		Specified Wall thickness	Allowable Hardness Variation b
	Type	Total Elongation Under Load			min MPa	max
			min	max		HRC	HBW	mm	HRC
1	2	3	4	5	6	7	8	9	10
H40	—	0.5	276	552	414	—	—	—	—
J55	—	0.5	379	552	517	—	—	—	—
K55	—	0.5	379	552	655	—	—	—	—
N80	1	0.5	552	758	689	—	—	—	—
N80	Q	0.5	552	758	689	—	—	—	—
R95	—	0.5	655	758	724	—	—	—	—
l80 L80	1	0.5	552	655	655	23	241	—	—
L80	9Cr 13Cr	0.5	552	655	655	23	241	—	—
		0.5	552	655	655	23	241	—	—
C90	1	0.5	621	724	689	25.4	255	£12.70	3
								12.71 to 19.04	4
								19.05 to 25.39	5
								³ 25.40	6
T95	1	0.5	655	758	724	25.4	255	£12.70	3
								12.71 to 19.04	4
								19.05 to 25.39	5
								³ 25.40	6
C110	—	0.7	758	828	793	30	286	£12.70	3
								12.71 to 19.04	4
								19.05 to 25.39	5
								³ 25.40	6
P110	—	0.6	758	965	862	—	—	—	—
Q125	1	0.65	862	1034	931	b	—	£12.70	3
								12.71 to 19.04 19.05	4
									5
a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9.
c For through-wall hardness tests of Grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number.

Once you have the length and diameter of the casing, you can calculate the volume. To do this, you’ll need to use the formula V = πr2h, where V is the volume, r is the radius of the casing, and h is the height. Casing Pipe china good Factory,Oil Tube wholesale–Price high-quality good chinese,casing pipe Chinese high-quality factory, Step 3: Calculate the Weight of the Casing Once you have the volume of the casing, you can calculate the weight. To do this, you’ll need to use the formula W = V x SG, where W is the weight, V is the volume, and SG is the specific gravity of the oil. Step 4: Calculate the Pressure rating of the Casing Finally, you can calculate the pressure rating of the casing. To do this, you’ll need to use the formula P = W x S, where P is the pressure rating, W is the weight, and S is the safety factor. And that’s it! With these four steps, you can easily calculate the weight of your oil casing. Just remember to use the correct measurements and formulas, and you’ll be able to get an accurate result. Good luck!

Understanding the Factors that Influence Oil Casing Weight Calculations