Conventional Steam injection and oil recovery wellhead

Sanjack’s thermal production wellheads are mainly of the following types:

  • Conventional Steam injection and oil recovery wellhead
  • Onshore thermal recovery wellhead
  • Single column dual-well thermal recovery wellhead
  • Steam injection and oil recovery dual tubing wellhead
  • BOP Steam Injection and Oil Recovery Integration Wellhead
  • Geothermal wellhead

Sanjack has more than 40 years of experience in oil wellhead and API 6A valve production,

with advanced manufacturing and testing equipment, can produce a variety of pressure levels, material levels, specification levels of well control equipment.

After more than 20 years of development, thermal wellhead has formed a variety of products, used in many oilfields in the world.

This kind of wellhead Mainly used for general steam injection and oil / gas production , mainly composed of casing head, tubing head and X-mas tree .

Conventional steam injection and oil recovery wellhead is low pressure and high temperature oil wellhead, which is connected by a clamp or flange:

Clamped thermal recovery wellhead:

Feature

1)Clamp type connection, easy to operate

2)Wedge gate valve, small size and light weight

3)The stem seal of valve is a high temperature resistant composite seal. The seal between valve plate and valve seat and the seal between valve body and valve seat are both metal seals. High temperature seal is reliable.

Clamped thermal recovery wellhead

Flanged thermal recovery wellhead:

flanged-thermal recovery wellhead

Feature

1). Flange connection. The high temperature and high-pressure seal in the connection are reliable.

2). The valve is a rising rod structure. The handwheel is equipped with a guard that can intuitively check the opening or closing conditions of the valve. And it has the function of preventing sand and dust.

3). The surface of the valve seat and the valve plate is sprayed with hard alloy. The seal between the valve seat and valve body is high temperature resistant and non-metal seal with good performance.

4). The stem seal is a high temperature resistant composite seal. There is no leakage under high temperature and high pressure. After thermodynamic calculation, the parts with pressure and load are all reliable and safe under high temperatures.

Model  ParameterKR78/65-21KR78/65-35
Working pressure   psi30005000
Nominal diameter (in)2-9/16,3-1/16,4-1/162-9/16,3-1/16,4-1/16
Top flange of tubing head7-1/16“~18-3/4”7-1/16“~21-1/4”
Bottom flange of tubing head7-1/16“~21-1/4”7-1/16“~21-1/4”
Working temperature ℃380
Working mediaCrude oil /Natural gas /water steam
Material classBB/CC/DD/EE/FF
Specification levelPSL3/PSL3G/PSL4
Performance levelPR1

Feature Products

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  • OCTG Tubing and Casing.
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