Wellhead – Definition and Pronunciation
What is Wellhead?
Wellhead is the equipment installed at the surface of the wellbore. A wellhead includes such equipment as the casinghead, tubing hanger, and various valves to control flow from the well.
Examples of Wellhead
There is no internationally accepted price of natural gas at the wellhead, but in most foreign markets gas supplies – including LNG – are price linked to alternative energy sources on a Btu-equivalency basis.
From “Critical review of components of the LNG import system”.
The first low temperature units were developed and placed in operation in 1948 to dehydrate gas at the wellhead in remote locations so that high-pressure gas and condensate could be gathered at central locations without the problems of hydrate plugging.
From “Separation of the Gas Produced in Field from Unnecessary Components”.
The most usual test provided is a shut-in wellhead pressure test that was obtained to meet regulatory requirements or as a result of the well having been shut-in for some other purpose.
From “Gas Field Operation Problems and Methods to Deal With Them”.
Pronunciation of Wellhead
