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| Product Name: |
Casing Specifications: 4-1/2Ħħ-20Ħħ with Thread Type
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| Supply Ability: |
66 |
| Related proudcts |
manufacturer direct, top-grade j55/l80 casing, ottm couplings, |
| Specifications |
API /ISO/ ASTM/A370/ EAC /GB NACE/CMA/CNAS |
| Price Term: |
FOB,CNF,CIF,Other |
| Port of loading: |
Tianjin |
| Minimum Order |
1 |
| Unit Price: |
917 |
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Oil Casing: An Essential Component in Oil Drilling
Oil casing is an indispensable part of the oil drilling process. It plays a crucial role in supporting the wellbore and preventing collapse, while also providing a stable channel for the extraction of oil and gas. Currently, the common specifications of oil casing on the market range from 4-1/2 inches to 20 inches, which can meet the needs of wells with different depths and geological conditions. In the production of oil casing, the design of the thread type is particularly critical. The STC (Short Round) thread type, which is relatively short and round in shape, is an early widely used type. It is relatively simple in processing technology, but its strength and sealing performance are relatively weak. With the development of technology, the LTC (Long Round) thread type has gradually become mainstream. The LTC thread type has significant improvements in length and sealing performance, and can better adapt to high-pressure and high-temperature downhole environments. The BTC (Buttress Thread) is one of the most advanced thread types at present. Through its special trapezoidal design, it greatly improves the tensile and torsional strength of the casing, and also achieves a very high level of sealing performance.
Different specifications and thread types of oil casing have their own advantages in practical applications. For example, 4-1/2 inch casing is usually used in shallow wells and small oil wells. Its smaller diameter can reduce drilling costs, and in some areas with better geological conditions, this specification of casing can also meet the extraction requirements. On the other hand, the extra-large 20-inch casing is mainly used for deep-sea and ultra-deep well extraction. They need to withstand huge formation pressures and complex geological conditions, so the requirements for the strength and sealing performance of the casing are extremely high. When selecting oil casing, users need to take into account a variety of factors such as the depth of the oi |
| Company: |
Tianjin Grand Victory Petroleum Equipment Co.,Ltd
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| Contact: |
Mr. gong feng |
| Address: |
No.17 Guanghai Road,Economic Development Area Jinghai District.Tianjin City. |
| Postcode: |
301600 |
| Tel: |
18222899636 |
| Fax: |
02268690382 |
| E-mail: |
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