Common questions

How much does a subsea tree cost?

How much does a subsea tree cost?

The buying cost or price varies according to spec and market conditions and is typically at US$1-3Million. A control pod mounted on a subsea tree assembly provides a receptacle for an umbilical and contains the electronic and hydraulic components that control tree functions.

What is Christmas tree subsea?

Subsea tree (wet trees) is a system of valves, flow paths, piping, and connectors installed on a subsea wellhead to contain and control the flow of fluid from a reservoir or from the surface by injection. Two type of subsea Christmas tree are vertical Christmas trees and horizontal Christmas trees.

What is wellhead Christmas tree?

Many times, the words Christmas Tree and Wellhead are used interchangeably; however, a wellhead and Christmas tree are entirely separate pieces of well equipment. A wellhead must be present in order to utilize a Christmas tree and is used without a Christmas tree during drilling operations.

What is swab valve?

1. n. [Well Workover and Intervention, Well Completions] The topmost valve on a Christmas tree that provides vertical access to the wellbore.

What is subsea control module?

Subsea control module (SCM) is the interface between the control system and the tree. It is the main component of the tree-mounted control system. The SCM contains electronics, instrumentation, and hydraulics for safe and efficient operation of subsea tree valves, chokes, and downhole valves.

How much does a subsea Christmas tree cost?

The global average cost of a subsea tree is $5.5 million.

What is the difference between blowout preventer and Christmas tree?

The Wellhead Versus the Christmas Tree The Christmas tree sits atop the wellhead, but it is a separate piece of equipment. There is no Christmas tree on the wellhead during drilling operations. Instead a blowout prevention device sits atop the wellhead as the well is drilled and casing/tubing strings are inserted.

What is the primary function of an Xmas tree?

The primary function of a tree is to control the flow, usually oil or gas, out of the well. (A tree may also be used to control the injection of gas or water into a non-producing well in order to enhance production rates of oil from other wells.)

What is the difference between wellhead and Christmas tree?

Many times, the words Christmas Tree and Wellhead are used interchangeably; however, a wellhead and Christmas tree are entirely separate pieces of equipment. A wellhead must be present in order to utilize a Christmas tree and is used without a Christmas tree during drilling operations.

Which valve on a Christmas tree is used to control and regulate the flow of fluid from the well?

left hand valve
The left hand valve is often called the kill wing valve (KWV). It is primarily used for injection of fluids such as corrosion inhibitors or methanol to prevent hydrate formation.

What is the purpose of swab valve?

The swab valve is yet another manually operated valve which provides direct vertical access to the well for well interventions.

What is the difference between wellhead and Xmas tree?

Where does the Xmas tree go on a subsea well?

A subsea xmas tree and wellhead are separate pieces of equipment which should not to be mistaken as the same piece. The Christmas tree is installed on top of the wellhead. A wellhead is used without a Christmas tree during drilling operations, and also for riser tie-back situations that later would have a tree installed at riser top.

Who are the leading manufacturers of subsea trees?

Learn more about our Subsea 2.0 tree systems and how we are transforming projects from development through the life of the field. TechnipFMC is the world’s leading manufacturer and supplier of subsea tree production systems.

Who is the supplier of the Christmas tree?

Evans Christmas Supply Company is a premier supplier of Christmas tree retail lot supplies and Christmas tree grower supplies in the United States. Our full line of Christmas tree products include the following.

How big does a subsea tree need to be?

With our commitment to meeting client challenges, our extensive and reliable subsea tree capabilities offer a wide range of vertical and horizontal subsea tree solutions for pressures up to 15,000 psi, temperatures to 400 o F and water depths up to 10,000 feet.