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United Pipe & Steel was founded by David Cohen in Everett, Massachusetts, in 1980. [2] Morgenthaler, a private equity firm, acquired the company in 2013. [3] In 2019 United Pipe & Steel was acquired by One Equity Partners, [4] and operationally integrated with Merfish Pipe & Supply, a master distributor based in Houston, Texas. In 2020, both ...
Casing is a large diameter pipe that is assembled and inserted into a recently drilled section of a borehole. Similar to the bones of a spine protecting the spinal cord, casing is set inside the drilled borehole to protect and support the wellstream. The lower portion (and sometimes the entirety) is typically held in place with cement. [1]
Tubing is a smaller diameter pipe that is run inside of the production casing. A packer is usually set at the lower end of the casing to prevent formation fluid from entering the annulus between the tubing and the casing. A packer is an elastomer cylinder that forms a pressure seal between the tubing and the casing.
Since the outside diameter is fixed for a given pipe size, the inside diameter will vary depending on the wall thickness of the pipe. For example, 2" Schedule 80 pipe has thicker walls and therefore a smaller inside diameter than 2" Schedule 40 pipe. Steel pipe has been produced for about 150 years.
During the 1920s and 1930s, many French industrial steel tube companies began to concentrate and specialize. In 1931, an industrial and commercial partnership was established between the factories in the cities of Valenciennes, Louvroil and Recquignies, forming a new company : Vallourec (using the first syllable of each city to create its name ...
A conductor Pipe is a large diameter pipe that is set into the ground to provide the initial stable structural foundation for a borehole or oil well. [1] The Conductor pipe is the first string of casing and is the largest diameter casing to be installed in a well.