The Importance of  API 5ct l80 Seamless Carbon Steel Oil Casing Pipe Btc/Ltc/Stc Coupling in the Oil Industry

The oil industry is a complex and highly regulated sector that requires the use of specialized equipment and Materials to ensure the safe and efficient extraction, transportation, and storage of oil. One such crucial component in this industry is the API 5CT L80 seamless carbon steel Oil Casing pipe with BTC/LTC/STC coupling. API 5CT L80 seamless carbon steel oil casing pipe is a type of pipe that is used to protect the wellbore during drilling and completion operations. It is designed to withstand high pressure and temperature conditions, as well as the corrosive effects of oil, Gas, and drilling fluids. The L80 grade of steel used in these Pipes has a minimum yield strength of 80,000 psi, making it highly durable and resistant to deformation.

							Calculated Mass c
			Nominal Linear Mass T& C b,c	Wall Thick- ness				em, Mass Gain or Loss Due to End Finishing d
Labels a		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
10 3/4	32.75	273.05	48.74	7.09	258.9	254.91	46.5	13.94	—	— 15.38	— 3.03
10 3/4	40.5	273.05	60.27	8.89	255.3	251.31	57.91	11.91	—	14.21	1.86
10 3/4	45.5	273.05	67.71	10.16	252.7	250.82 e 248.77 246.23 246.33	65.87	11	—	14.21	1.86
10 3/4	45.5	273.05	67.71	10.16	252.7	244.48 e	65.87	11	—	13.05	0.7
10 3/4	51	273.05	75.9	11.43	250.2	244.48 e 243.94 243.94 241.40 241.40 238.86 238.86 234.95 231.80 228.60	73.75	10.11	—	13.05	0.7
10 3/4	51	273.05	75.9	11.43	250.2		73.75	10.16 f	—	12.25	–0.09
10 3/4	55.5	273.05	82.59	12.57	247.9		80.75	9.3	—	12.01	–0.34
10 3/4	55.5	273.05	82.59	12.57	247.9		80.75	9.35 f	—	12.25	–0.09
10 3/4	55.5	273.05	82.59	12.57	247.9		80.75	9.3	—	12.01	–0.34
10 3/4	55.5	273.05	82.59	12.57	247.9		80.75	9.35 f	—	11.07	—
10 3/4	60.7	273.05	90.33	13.84	245.4		88.47	8.42	—	10.87	—
10 3/4	60.7	273.05	90.33	13.84	245.4		88.47	8.47 f	—	9.98	—
10 3/4	65.7	273.05	97.77	15.11	242.8		96.12	7.54	—	9.74	—
10 3/4	65.7	273.05	97.77	15.11	242.8		96.12	7.60 f	—	—	—
10 3/4	73.2	273.05	108.93	17.07	238.9		107.76	—	—	—	—
10 3/4	79.2	273.05	117.86	18.64	235.8		116.95	—	—	—	—
10 3/4	85.3	273.05	126.94	20.24	232.6		126.19	—	—
11 3/4	42	298.45	62.5	8.46	281.5	279.40 e 277.50 275.44 272.39	62.56	13.27	—	—	—
11 3/4	42	298.45	62.5	8.46	281.5	269.88 e	62.56	13.27	—	— 16.04	—
11 3/4	47	298.45	69.94	9.52	279.41	269.88 e	67.83	12.42	—	14.5	—
11 3/4	54	298.45	80.36	11.05	276.4	269.65	78.32	11.23	—	13.12	—
11 3/4	60	298.45	89.29	12.42	273.6	269.65 e	87.61	10.17	—	13.12	—
11 3/4	60	298.45	89.29	12.42	273.6	269.88 e 267.36 264.92	87.61	9.77 f	—	13.12	—
11 3/4	60	298.45	89.29	12.42	273.6		87.61	10.17	—	13.12	—
11 3/4	60	298.45	89.29	12.42	273.6		87.61	9.77 f	—	—	—
11 3/4	65	298.45	96.73	13.56	271.3		95.27	—	—	—	—
11 3/4	65	298.45	96.73	13.56	271.3		95.27	—	—	—	—
11 3/4	71	298.45	105.66	14.78	268.9		103.4	—	—		—

The BTC/LTC/STC coupling is an integral part of the API 5CT L80 seamless carbon steel oil casing pipe. It is used to connect two sections of pipe together, providing a secure and leak-proof Connection. The BTC (Buttress Thread and Coupling) coupling is the most commonly used type, as it offers excellent Sealing properties and is easy to install. The LTC (Long Thread and Coupling) coupling is used in applications where a higher level of sealing is required, while the STC (Short Thread and Coupling) coupling is used in shallow wells or low-pressure applications. The importance of the API 5CT L80 seamless carbon steel oil casing pipe with BTC/LTC/STC coupling in the oil industry cannot be overstated. These pipes and couplings play a crucial role in ensuring the integrity of the wellbore and preventing any leaks or failures that could lead to environmental damage, loss of production, or even accidents.

Seamless Oil Casing Tubing API 5CT Standard N80/J55/K55/P110/L80One of the key advantages of using the API 5CT L80 seamless carbon steel oil casing pipe with BTC/LTC/STC coupling is its high resistance to corrosion. The corrosive nature of oil, gas, and drilling fluids can cause significant damage to the wellbore and the surrounding environment. By using a corrosion-resistant material like carbon steel, operators can minimize the risk of leaks and failures, ensuring the safe and efficient extraction of oil. Another important aspect of the API 5CT L80 seamless carbon steel oil casing pipe with BTC/LTC/STC coupling is its ability to withstand high pressure and temperature conditions. During drilling and completion operations, the wellbore is subjected to extreme pressures and temperatures. The L80 grade of steel used in