Oil Gas Production Christmas Trees
1. Casing Head-Bottom Slip Connection
Characteristics:
(1) Connect surface casing by type WD slip.
(2) Adopt type BT secondary seal structure.
(3) Accurately calculate casing string's length is not necessary.
(4) Can not be affected by surrounding environment, climate, etc.
(5) Easy, rapid, safe and reliable in installation.
Can apply to different sizes casing, such as: 30",20",13-3/8",12-1/4",9-5/8",7",5-1/2".
Can apply to different sizes casing as:13-3/8",9-5/8",7",5-1/2"etc.
We can manufacture a variety of bottom thread such as CSG, LCSG, BCSG, TM, for the connection between casing head and surface casing.
2. Casing Head-Bottom thread connection
(1)Bottom of the casing head connects surface casing by various types of threads,such as CSG,LCSG,BCSG,TM,ETC.
(2)Convenience and rapid in installation,safe and reliable in operation.
3. Casing Head-Bottom welded connection
(1)Bottom of the casing head connects surface casing by welding.
(2)There’s pressure test hole, which can test welding effect, in welding annular space.
Technical parameter:
| Top flange |
Top flange |
Top flange |
Top flange |
| 11"×2000psi (279.4mm×14MPa) |
11"×2000psi (279.4mm×14MPa) |
11"×5000psi (279.4mm×35MPa) |
13-5/8"×5000psi (346.1mm×35MPa) |
| 11"×2000psi (279.4mm×14MPa) |
13-5/8"×2000psi (346.1mm×14MPa) |
11"×10000psi (279.4mm×70MPa) |
13-5/8"×5000psi (346.1mm×35MPa) |
| 11"×3000psi (279.4mm×21MPa) |
11"×3000psi (279.4mm×21MPa) |
11"×15000psi (279.4mm×105MPa) |
13-5/8"×5000psi (346.1mm×35MPa) |
| 11"×3000psi (279.4mm×21MPa) |
13-5/8"×2000psi (346.1mm×14MPa) |
13-5/8"×5000psi (346.1mm×35MPa) |
21-1/14"×2000psi (539.8mm×14MPa) |
| 11"×3000psi (279.4mm×21MPa) |
13-5/8"×3000psi (346.1mm×21MPa) |
13-5/8"×10000psi (346.1mm×70MPa) |
13-5/8"×5000psi (346.1mm×35MPa) |
| 11"×5000psi (279.4mm×35MPa) |
13-5/8"×3000psi (346.1mm×21MPa) |
13-5/8"×15000psi (346.1mm×105MPa) |
13-5/8"×5000psi (346.1mm×35MPa) |
Company Information
Since 1997, Puyang Zhongshi Group Co., Ltd has been a reputable manufacturer of a wide range of oilfield equipment and cementing accessories. As a restructured enterprise of SINOPEC, we have accumulated extensive expertise and experience in the industry. With a decade of export experience, we take pride in operating 9 subsidiary factories and employing over 500 dedicated professionals.
Our dedication to quality and excellence is evident through our certifications, which include API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001, and ISO 14001. These certifications serve as a testament to our credibility and adherence to international standards.
Our customer base extends across various regions, including America, Central Asia, Russia, Southeast Asia, the Middle East, and more. We have established ourselves as a top-tier supplier in the resources market of both SINOPEC and CNPC, showcasing our unwavering commitment to providing exceptional products and services to our esteemed clients.
Product Tags:
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API 6A Standard Wellhead Equipment Casing Head For Oil Well Images
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