| After-sales Service: | Technical Support |
|---|---|
| Warranty: | 1 Year |
| Manufacturing Process: | Forging |
Integral double casing head wellhead Wellhead equipment
A, implement standard
1.1 all parts of the design, manufacture, acceptance, packaging, etc. In accordance with API Spec 6 a 20 edition of "specification for" wellhead and Christmas tree.
1.2 threads processing and acceptance conforms to the latest version of the API 5 b and GB/T 9253 "oil and gas industry casing, tubing and line pipe thread processing, measurement and test.
1.3 bolt manufacturing acceptance in accordance with A193 high temperature alloy steel and stainless steel bolt material, nut manufacturing acceptance conforms to A194 the high temperature and high pressure with carbon steel and alloy steel bolt with nut ".
1.4 NDT shall comply with JB/T 4730 "pressure vessel NDT requirements.
1.5 pressure parts shall meet NACE MR0175 "oil field equipment with sulfide stress cracking resistance of metal materials.
1.6 product design, manufacture, inspection and acceptance shall comply with API Q1 version 9 "quality management guidelines and ISO9001:2008" the design, manufacture, installation and service quality management system ".
Second, the technical parameters
2.1 casing head models: 5/8-5/8 "x 9-13" x 7 "- 10000 psi (70 mpa) integral casing head.
2.2 the main technical parameters:
A. The connection specification: according to the requirements of API Spec 6 a20 version of the standard.
B. Working medium: natural gas, mud, crude oil.
C. The level of product performance: PR1.
D. Product specification level: PSL2.
E. The level of product material: EE.
F. Rated temperature level: (- 46 ºC ~ 200 ºC).
G. The rated working pressure: 10000 psi (70 mpa).
H. Casing head minimum size: 318 mm.
I. Hanger maximum overall diameter: not more than 340 mm (to prevent the blowout preventer cannot safely through)
2.3 the main structure form (the appended drawings)
