Knowledge

The difference between oil pipe and casing

1. Different uses Although both tubing and casing are pipes used in oil drilling, their uses are different. Oil pipes are primarily used to transport oil and natural gas and are located shallowly in w

Spiral Welded Steel Pipe for Piles: Process and Specifications

A spiral pipe for piles is a spiral welded steel pipe produced from hot-rolled strip coil and used as the load-bearing element of foundation piles. This article covers the SY/T 5040-2008 specification

How to test the pressure resistance of SSAW pipe

When testing the pressure of the spiral steel pipe hydraulic testing machine for water supply, the two ends of the tested steel pipe are first sealed by the end sealing device and low-pressure water i

Drill pipe and heavy drill pipe

Drill pipe is an important part of a drilling rig used to extract oil or other liquids from the ground. Unlike the mining process, the main function of drill pipe is to facilitate the flow of drilling

OCTG Casing and Tubing Pipe

Enpro offers a complete line of API 5CT casing and tubing to meet all types of petroleum exploration and production needs. Materials include carbon steel (most commonly used), alloy steel, chromium st

ASTM A335 Pipe

ASTM A335 is a seamless ferritic alloy steel pipe used in the high temperature service and boiler industries. Commonly used grades are P5, P9, P11, P22, and P91.

Spiral Tube Quality Testing Methods: NDT, Hydrostatic and Tightness Checks

A complete overview of quality testing methods for spiral welded tubes, covering visual inspection, ultrasonic and radiographic examination, penetrant and magnetic particle testing. It explains streng

Petroleum casing hydrostatic pressure test regulations

Hydrostatic pressure test is an indispensable link in the steel pipe manufacturing process. Its function is to detect the anti-leakage performance of the steel pipe under standard test pressure and st

Advantages of Polyurethane Insulated Steel Pipes

Detailed analysis of the advantages of polyurethane insulated steel pipes