Special oil pipe is mainly used for oil, gas well drilling and oil and gas transportation. Oil casing is mainly used to support the well wall during and after completion to ensure the drilling process and the normal operation of the whole well after completion. Oil casing is the lifeline of oil well operation. Due to the different geological conditions, the underground mechanical state is complex, and the tension, compression, bending and torsional stress act on the pipe body, which puts forward a higher requirement for the quality of the casing itself. Once the casing itself is damaged for some reason, the whole well may be reduced or even scrapped.
1. Specification range: outside diameter: 114.3MM-508MM (4.1 / 2 "- 20") wall thickness: 5.21MM-16.13MM (9.5PPF--133PPF)
2. Materials: H40, J55, K55, N80-1, N80-Q, L80-1H80-9Cr, L80-13Cr, P110, Q125 etc
3. Implementation criteria: API 5 CTT, GB, ISO11960, GOST
4. Type of buckle: STC , LTC, BTC, XC and Premium connection
5. Length: R1, R2, R3.
6. : NDT etc related rules of API 5CT and 5B
7. Type: seamless steel pipe, straight steel pipe
Note: other quality connections should be provided according to customer requirements.
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