introduction to  API 5ct L80 Casing

API 5CT L80 Casing – casing and Tubing Introduction to API 5CT L80 Casing API 5CT L80 casing is a type of casing and tubing used in the Oil and gas industry. It is made from high–quality steel and is designed to withstand high pressure and extreme temperatures. This article will provide an overview of API 5CT L80 casing, including its specifications, applications, and benefits. API 5CT L80 casing is manufactured according to the American petroleum Institute (API) 5CT standard. This standard sets the requirements for casing and tubing used in the oil and gas industry. The L80 designation refers to the steel grade of the casing, with L80 being a medium carbon steel grade. This steel grade provides good mechanical properties and is suitable for use in various well conditions. API 5CT L80 casing is available in different sizes and dimensions, ranging from 4 1/2 inches to 20 inches in diameter. It is typically used in oil and gas wells that require high-pressure and high-Temperature resistance. The casing is threaded on both ends, allowing for easy installation and connection to other components in the well.

API 5CT L80 casing tubingDimensions and Masses for Standard Casing and for Casing Threaded with
API Round Thread and Buttress Thread
Labels a							Calculated Mass c
			Nominal linear Mass T& C b,c	Wall Thick- ness				em, Mass Gain or Loss Due to End Finishing d
		Outside Diameter			Inside Diameter	Drift Diameter	Plain- end	kg
								Round Thread		Buttress Thread
							wpe
		D	kg/m	t	D	mm	kg/m	Short	Long	RC	SCC
		mm		mm	mm
1	2	3	4	5	6	7	8	9	10	11	12
4 1/2	9.5	114.3	14.38	5.21	103.88	100.7	14.02	3.64	—	— 4.53	— 1.12
4 1/2	10.5	114.3	15.73	5.69	102.92	99.74	15.24	3.33	— 3.61	4.32	0.91
4 1/2	11.6	114.3	17.38	6.35	101.6	98.42	16.91	3.18	3.35	4.07	0.6
4 1/2	13.5	114.3	19.87	7.37	99.56	96.38	19.44	—	3.53	3.64	0.24
4 1/2	15.1	114.3	22.69	8.56	97.18	94	22.32	—
5	11.5	127	17.19	5.59	115.82	112.64	16.74	4.32	— 4.85	— 5.38	— 1.24
5	13	127	19.69	6.43	114.14	110.96	19.12	4	4.51	4.99	0.61
5	15	127	22.69	7.52	111.96	108.78	22.16	3.71	4.52	4.4	0.22
5	18	127	27.19	9.19	108.62	105.44	26.7	—	3.45	3.76	–0.62
5	21.4	127	32.13	11.1	104.8	101.62	31.73	—	3.15	3.42	–0.96
5	23.2	127	34.76	12.14	102.72	99.54	34.39	—	2.99	3.23	–1.14
5	24.1	127	36.15	12.7	101.6	98.42	35.8	—
5 1/2	14	139.7	20.91	6.2	127.3	124.12	20.41	4.6	— 5.26	— 5.71	— 0.87
5 1/2	15.5	139.7	23.48	6.98	125.74	122.56	22.85	4.36	5.31	5.41	0.58
5 1/2	17	139.7	25.72	7.72	124.26	121.08	25.13	4.14	4.5	4.84	0.45
5 1/2	20	139.7	30.05	9.17	121.36	118.18	29.52	—	4.37	4.31	-0.52
5 1/2	23	139.7	34.05	10.54	118.62	115.44	33.57	—	—	—	—
5 1/2	26.8	139.7	40.15	12.7	114.3	111.12	39.78	—	—	—	—
5 1/2	29.7	139.7	44.47	14.27	111.16	107.98	44.14	—	—	—	—
5 1/2	32.6	139.7	48.74	15.88	107.94	104.76	48.49	—	—	—	—
5 1/2	35.3	139.7	52.8	17.45	104.8	101.62	52.61	—	—	—	—
5 1/2	38	139.7	56.82	19.05	101.6	98.42	56.68	—	—	—	—
5 1/2	40.5	139.7	60.64	20.62	98.46	95.28	60.55	—	—	—	—
5 1/2	43.1	139.7	64.41	22.22	95.26	92.08	64.38	—
6 5/8	20	168.28	29.76	7.32	153.64	150.46	29.06	5.58	6.23	6.35	0.89
6 5/8	24	168.28	35.72	8.94	150.4	147.22	35.13	4.42	5.48	5.52	0.68
6 5/8	28	168.28	41.67	10.59	147.1	143.92	41.18	—	4.73	4.71	–0.75
6 5/8	32	168.28	47.62	12.06	144.16	140.98	46.46	—	4.73	4	–1.46

oil Casing PipeOne of the key features of API 5CT L80 casing is its high tensile strength. This means that it can withstand high pressure and prevent the collapse of the wellbore. The casing also has excellent resistance to corrosion, which is important in preventing leaks and maintaining the integrity of the well. Additionally, API 5CT L80 casing has good fatigue resistance, ensuring its durability and longevity in harsh well conditions.

API 5CT L80 casing is commonly used in a variety of applications in the oil and gas industry. It is often used in production wells, where it provides support and protection to the wellbore. The casing prevents the collapse of the wellbore and ensures the efficient production of oil and gas. API 5CT L80 casing is also used in injection wells, where it is used to inject fluids into the reservoir for enhanced oil recovery. In addition, the casing is used in exploration wells, where it provides stability and protection during drilling operations. There are several benefits to using API 5CT L80 casing in oil and gas wells. Firstly, its high tensile strength and resistance to collapse ensure the safety and integrity of the well. This is crucial in preventing accidents and maintaining the productivity of the well. Secondly, the casing’s Corrosion resistance prevents leaks