वेलहेड इसके अंग्रेजी अर्थ का उदाहरण

The act requires states to establish wellhead protection programs to protect underground sources of drinking water.

Wellhead protection programs must specify the duties of agencies, determine the wellhead protection areas, identify sources of contaminants, implement control measures to protect the wellhead protection areas, and a contingency plan for alternative drinking water supplies in the event of contamination.

Federal agencies having jurisdiction over potential sources of contaminants must comply with all requirements of the state wellhead protection program.

It is set in the tree or the wellhead and suspends the production tubing and/or casing.

Along with other components that constitute the production string, it provides a continuous bore from the production zone to the wellhead through which oil and gas can be produced.

Acid–base chemistry A wellhead is the component at the surface of an oil or gas well that provides the structural and pressure-containing interface for the drilling and production equipment.

The primary purpose of a wellhead is to provide the suspension point and pressure seals for the casing strings that run from the bottom of the hole sections to the surface pressure control equipment.

If the pressure is not contained during drilling operations by the column of drilling fluid, casings, wellhead, and BOP, a well blowout could occur.

The surface pressure control is provided by a Christmas tree, which is installed on top of the wellhead, with isolation valves and choke equipment to control the flow of well fluids during production.

In exploration wells that are later abandoned, the wellhead may be recovered for refurbishment and re-use.

Offshore, where a wellhead is located on the production platform it is called a surface wellhead, and if located beneath the water then it is referred to as a subsea wellhead or mudline wellhead.

The primary components of a wellhead system are:.

A wellhead serves numerous functions, some of which are:.

The oil industry specifications for wellhead systems (materials, dimensions, test procedures and pressure ratings etc.