Shengli Oilfield R&T Group

The tubing head is a device or nipple with flanges at both ends. Before perforating, install it on top of the top casing head. To support the tubing, and seal the annulus space between the tubing and the production casing. It also provides an entrance to the casing and tubing ring space through the side outlet. all types of tubing head Function of tubing head. Suspension well tubing string. The annular space between the sealing tubing and the casing. Provide a transition connection for the casing head and the tree. The two sides of the tubing head can be used for water injection and well washing. The structure of the tubing head. The tubing head consists of tubing head, tubing hanger, sealing device, top wire, gate valve, pressure gauge and flange. The top of the tubing is connected to the tree by a flanged flanged flange. The form of the connection is flanged and clamped. 1). Tubing hanger The tubing hanger is a device that sits in the cone...

General inforamtion: The wellhead device is a production equipment used for suspension, support, control and adjustment of oil christmas tree , tubing head, casing head and related accessories. As an important equipment for oil and gas production, its performance is related to the safety and efficiency of oil and gas well production. All about Casing head: The casing head is an important connector between the casing and the wellhead. The lower end is connected to the surface casing through the thread, and the upper end is connected to the wellhead device or blowout preventer through a flange or a clamp. The general casing head The characteristics of the casing head . The casing connection can be connected either by thread or slip, which is quick and convenient. The casing is made of rigid and rubber compound seal structure, and metal seal can be used to increase the sealing performance of the product. The design is equipped with the anti-wear sleeve and the test pres...

Wellhead & X-mas tree  or  Christmas tree  is a wellhead control equipment for testing oil and gas when the oil (gas) well is completed, or a wellhead control device when the oil is used for oil recovery. It consists of tubing and many gates and tee or four-way, directly mounted on the casing head. Only one side of the oil tree with the oil pipeline, called the single wing Christmas tree; The two sides are lined with tubing, known as the double-winged tree. The oil Christmas tree is equipped with oil nozzle (choke nozzle) to control the production of oil and gas by changing the oil nozzle of different diameter. The main components of the Christmas tree are tubing head, tubing hanger, flange and some valves. The  oilfield wellhead valves  mainly have the oil mouth (throttle), the production wing valve, the paraffin valve, the main valve and the casing valve. Tubing head The tubing head is mounted on top of the top casing and is used to support the gravity ...