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The gas-lift mandrel is a device installed in the tubing string of a gas-lift well onto which or into which a gas-lift valve is fitted. There are two common types of mandrels. In a conventional gas-lift mandrel, a gas-lift valve is installed as the tubing is placed in the well. Thus, to replace or repair the valve, the tubing string must be pulled.
A gas lift chair is a form of office chair that allows the user to modify their height in relation to the height of a desk, leading to an increase in comfort and ergonomic benefit. A patent describing a common configuration of a gas lift cylinder by John Wang, published 20 May 1989.
Officeworks plans to help the organisation expand into a national repair and recovery service under a new brand called Circonomy, focusing on the broader retail industry. [ 17 ] In December 2024, Officeworks acquired Box of Books, a provider of classroom resources such as ebooks, digital resources, textbooks and stationery.
OfficeMax is an American office supplies retailer founded in 1988. As an independent chain, it was the third-largest office supply retailer in the United States. Following a 2013 merger, it is currently a brand and subsidiary of Office Depot.
Artificial lift is the use of artificial means to increase the flow of liquids, such as crude oil or water, from a production well. Generally this is achieved by the use of a mechanical device inside the well (known as pump or velocity string) or by decreasing the weight of the hydrostatic column by injecting gas into the liquid some distance down the well.
A gas spring consists of a sealed cylinder filled with a charge of high-pressure [5] gas, a piston rod attached to a piston with a sliding seal, and some oil. [1] The piston (or the cylinder wall) contains a number of channels that allow the gas to transfer between the lower chamber (between the piston and the closed end of the cylinder) and the upper chamber (between the piston and the head ...
Rotary table (#20) rotates, along with its constituent parts, the kelly and kelly bushing, the drill string and the attached tools and bit. Shale shaker (#2) separates drill cuttings from the drilling fluid before it is pumped back down the wellbore. Stand (#16) is a section of 2 or 3 joints of drill pipe connected and stood upright in the ...
A large fire occurs on Jemena's gas pipeline near Bauhinia in Central Queensland which impacts gas supplies to the city of Gladstone. [142] It is reported in the media that soccer player Sam Kerr was charged with "racially aggravated harassment" of a police officer, which allegedly took place in Twickenham on 30 January 2023. She pleads not ...
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