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What is the difference between oil drill pipe and oil casing

release time：2024-08-23

source： network

There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Different materials.
Oil drill pipe is a connecting rod in drilling tools used to transmit power. The typical components of a drill string include: drill bit, drill collar, drill rod, stabilizer, specialized joint, and square drill rod. The basic function of a drill string is: (1) to lower the drill bit; (2) Apply drilling pressure; (3) Transmitting power; (4) Transporting drilling fluid; (5) Perform special tasks such as squeezing cement and handling underground accidents.
Oil casing is a steel pipe used to support the wellbore of oil and gas wells, ensuring the normal operation of the entire well during drilling and after completion. Each well requires several layers of casing depending on the drilling depth and geological conditions. After the casing is inserted into the well, cement cementing should be used. Unlike oil pipes and drill rods, it cannot be reused and is a disposable consumable material. So, the consumption of casing accounts for over 70% of all oil well pipes. Casing can be divided into: conduit, surface casing, technical casing, and reservoir casing according to their usage.

How to check the quality of oil drill pipes

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How to check the quality of oil drill pipes

What are the differences between the characteristics of petroleum drill pipes and traditional steel materials

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