Introduction to  API– 5CT N80 casing Pipe

API-5CT n80 casing Pipe The API-5CT N80 casing pipe is an essential component in the Oil and gas industry. It is used to protect and support the wellbore during drilling and completion operations. This article will provide an introduction to the API-5CT N80 casing pipe, discussing its specifications, applications, and benefits. The API-5CT N80 casing pipe 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 N80 designation indicates that the pipe has a minimum yield strength of 80,000 psi (pounds per square inch). This High strength makes it suitable for use in demanding environments, such as deep wells and high-pressure reservoirs. One of the key features of the API-5CT N80 casing pipe is its excellent resistance to corrosion. It is made from a special alloy that contains chromium, molybdenum, and nickel, which provide enhanced Corrosion resistance compared to standard carbon steel Pipes. This corrosion resistance is crucial in preventing the pipe from deteriorating over time, ensuring the integrity of the wellbore.

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
13 3/8	48	339.72	71.43	8.38	322.96	318.99	68.48	15.04	—	— 17.91	—
13 3/8	54.5	339.72	81.1	9.65	320.42	316.45	78.55	13.88	—	16.44	—
13 3/8	61	339.72	90.78	10.92	317.88	313.91	88.55	12.74	—	14.97	—
13 3/8	68	339.72	101.19	12.19	315.34	311.37	98.46	11.61	—	14.97	—
13 3/8	68	339.72	101.19	12.19	315.34	311.37	98.46	11.67 f	—	14.33	—
13 3/8	72	339.72	107.15	13.06	313.6	311.15 e	105.21	10.98	—	13.98	—
13 3/8	72	339.72	107.15	13.06	313.6	311.15 e 309.63 309.63	105.21	10.91 f	—	14.33	—
13 3/8	72	339.72	107.15	13.06	313.6		105.21	10.98	—	13.98	—
13 3/8	72	339.72	107.15	13.06	313.6		105.21	10.91 e	—		—
16	65	406.4	96.73	9.53	387.4	382.57	96.73	18.59	—	— 20.13	—
16	75	406.4	111.61	11.13	384.1	379.37	108.49	16.66	—	18.11	—
16	84	406.4	125.01	12.57	381.3	376.48	122.09	14.92	—	—	—
16	109	406.4	162.21	16.66	373.1	368.3	160.13	—	—		—
18 5/8	87.5	473.08	130.21	11.05	450.98	446.22	125.91	33.6	—	39.25	—
20	94	508	139.89	11.13	485.7	480.97	136.38	20.5	27.11	24.78	—
20	94	508	139.89	11.13	485.7	480.97	136.38	20.61	27.26 g 24.27 17.84	24.78	—
20	106.5	508	158.49	12.7	482.6	477.82	155.13	18.22		22	—
20	133	508	197.93	16.13	475.7	470.97	195.66	13.03		16.02	—
NOTE See also Figures D.1, D.2, and D.3.
a Labels are for information and assistance in ordering.
b Nominal linear masses, threaded and coupled (Column 4) are shown for information only.
c The densities of martensitic chromium steels ( L80 Types 9Cr and 13Cr) are less than those of carbon steels; The masses shown are therefore not accurate for martensitic chromium steels; A mass correction factor of 0.989 shall be used.
d Mass gain or loss due to end finishing; See 8.5.
e Drift diameter for most common bit size; This drift diameter shall be specified in the purchase agreement and marked on the pipe; See 8.10 for drift requirements.
f Based on 758 mPa minimum yield strength or greater.
g Based on 379 mPa minimum yield strength.

The API-5CT N80 casing pipe is available in various sizes and thicknesses to suit different wellbore conditions. It can be manufactured as seamless or welded, depending on the specific requirements of the application. seamless pipes are produced by piercing a solid billet of steel, while welded pipes are made by joining two or more pieces of steel together. Both types of pipes have their advantages and are used in different situations.

The API-5CT N80 casing pipe is commonly used in both onshore and offshore drilling operations. It is used to line the wellbore and prevent the formation from collapsing. Additionally, it provides a conduit for the extraction of oil and gas from the reservoir to the surface. The casing pipe also plays a crucial role in isolating different zones within the well, preventing the mixing of fluids and ensuring efficient production. oil tube Chinese high-grade Wholesaler,casing pipe china good Company,In addition to its primary functions, the API-5CT N80 casing pipe offers several benefits. Its high strength and corrosion resistance make it suitable for use in harsh environments, where other materials may fail. It also has excellent mechanical properties, such as toughness and ductility, which allow it to withstand the stresses and pressures encountered during drilling and production operations. Furthermore, the API-5CT N80 casing pipe is compatible with various completion techniques, such as Cementing and hydraulic fracturing. It can be easily integrated into the wellbore design, providing a reliable and efficient solution for oil and gas extraction. Its versatility and reliability have made it a popular choice among operators worldwide. In conclusion, the API-5CT N80 casing pipe is a vital component in the oil and gas industry. Its high strength, corrosion resistance, and compatibility with different completion techniques make it an ideal choice for protecting and supporting the wellbore. Whether used in onshore or offshore drilling operations, the API-5CT N80 casing pipe ensures the integrity and efficiency of oil and gas production.