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What is the wellhead platform in oil and gas?
Wellhead platform generally is a type of oil platform that houses personnel and machineries to extract oil and natural gas through wells in the ocean bed. A wellhead platform (WHP) may include an integrated deck, utility systems, wellhead systems, helideck and drilling facilities.
How does a natural gas wellhead work?
The wellhead consists of the pieces of equipment mounted at the opening of the well to manage the extraction of hydrocarbons from the underground formation. It prevents leaking of oil or natural gas out of the well, and also prevents blowouts caused by high pressure.
What is the wellhead pressure?
Wellhead pressure – pressure at the top of the well, i.e., at its wellhead. It is measured by pressure gauges of the wellhead fittings. Numerically it equals the difference between reservoir pressure and hydrostatic pressure of the liquid column from wellhead to reservoir.
What is the purpose of wellhead?
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. While drilling the oil well, surface pressure control is provided by a blowout preventer (BOP).
What are the functions of wellhead?
Wellhead Functions A well head provides means for suspension of casing strings running down the wellbore. A Blow Out Preventer (BOP) acts to cope up with erratic fluctuations of pressure and flow from reservoir. Wellhead serves as attachment point for the Blowout Preventers.
What is a wellhead used for?
What is wellhead equipment?
The wellhead equipment is the component at the surface of an oil or gas well, which offers the pressure-containing and structural interface for the drilling equipment. It provides pressure seals and suspension point for the casing strings. The wellheads are welded onto the string of casing, during drilling operations.
What is wellhead Control Panel?
Performing a safety critical function on manned and unmanned platforms, our Wellhead Control Panels (WHCPs) are designed for monitoring, controlling and shutdown of various subsurface and surface valves.
What is SSV valve?
Surface safety valve (SSV) is a pneumatically or hydraulically actuated fail-safe gate valve for producing or testing oil and gas wells with high flow rates, high pressures, or the presence of H2S.
Why is it called a wellhead?
It is named for its resemblance to a decorated tree at Christmas. Many times, the words Christmas Tree and Wellhead are used interchangeably; however, a wellhead and Christmas tree are entirely separate pieces of equipment.
What is the tubing side of a wellhead?
This is only found on wellheads that use rod lift. Tubing side: This is where the production exits the tubing of the well at surface. Typically, this is where all the liquids will reach surface.
What are the different types of pumping wellhead designs?
The Most Common Pumping Wellhead Designs include: a Casing Head, Polished Rod, Pumping Tee, Polished Rod Clamp, Rod Lubricator, Polished Rod Liner, Stuffing box, and Tubing Head. (Dandy Specialties and Larkin Products) When determining the appropriate wellhead equipment, workers need to keep several factors in mind.
What is the working pressure of a wellhead?
The left wellhead has 300-500 pound working pressure, while the right wellhead has a 2,000-pound working pressure. By monitoring the embossed numbers shaped into the forgings, the lease pumper can ascertain the screw connections and the pressure rating of a valve.