TDES

Number

Name

Description

1

Normal Wellhead & X-mas tree

Flowing type and pumping type

2

Offshore Wellhead& X-mas tree

Special material, suitable for offshore

3

Thermal Recovery Wellhead& X-mas tree

Special Design, used for thermal wellhead to produce heavy oil

4

High Pressure and Water Injecting Wellhead& X-mas tree

Special material, used for water injecting well

5

High Pressure Sulfur-resistant Oil (gas) Wellhead& X-mas tree

Used for deep well and hydrogen sulfur gas well

6

Stream Injecting/Oil Recovery Double-Tube Wellhead& X-mas tree

Suitable for continuous and intermittent thermal recovery of heavy oil

7

Eccentric Rotating Wellhead& X-mas tree

Annular empty test for special purpose wellhead in pumping well

8

Theft prevention Wellhead& X-mas tree

Add theft prevention assembly

9

Drilling Blowout Preventor

Two kinds: ram BOP and annular BOP; see the next table

10

Casing Head Assembly

Available for all size of casing head on land and offshore, the size from 7in to 21-3/4in,the pressure is from 2000psi to 10000psi.

11

Well Sealer

Hydraulic ram sealer and manual half-seal ram sealer, max. working pressure: 35Mpa.