Oil wellhead control API Wellhead Equipment Casing Spool
Oil wellhead control API Wellhead Equipment Casing Spool
1.Casing head spools are provided with a seat for secondary sealing. The lower flange can be provided with a second smaller supplementary ring gasket allowing the maximum pressure build-off with one stage.
2.The casing spools used to suspend and to seal the casings.
3.The flanges and the passing inside diameters are designed according to API spec.6A.
Technical Specifications
|
Nominal Dimension of Top Flange (in) |
11,13-5/8,20-3/4,21-1/4 |
|
Working Pressure of Top Flange (MPsi) |
2,3,5,10 |
|
Surface Casing Dimension(in) |
20,13-3/8,9-5/8,7 |
|
Nominal Diameter of Side Outlet (in) |
2-1/16,2-9/16,3-1/8 |
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.
Bottom can be connected to surface casing by the method of sleeve welding.Pressure testing holes are designed for the test of welding effect.
Applied Casing Program:20",13-3/8",9-5/8",7",5-1/2", etc.
Customized
1,After the Technical Sales Engineer checking out, we can produce the items that you attach the drawings.
X-mas tree is the important equipment in the control of wellhead pressure and adjustment of flow control of oil(gas) in manufacturing of Oil (gas) well production operations.
2, It can be designed into common type and integral type according to customer's requests.
3,It can be equipped with hydraulic & pneumatic safety valve.
4, There are two types: single wing and double wing.
5, It can be also equipped with stop valve which has settled form and adjustable form according to customer's requests
Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment,oil production equipment,OCTG ,wellhead & downhole tools and spare parts with API certification. our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). Lake Petro company has become VIP (assigned) supplier and built strategic partnership with some coutries' national petroleum companies.
How to order?
Please send us your inquiry with detail item description or with Model number.
If there is no packing demand we take it as our regular exported standard packing.
We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
You send ud your detail requirement, we provide quotation to you.
Can I expect a quality products?
All the production and processing are strictly according to ISO 9001:2008 and API standard. At the same time, mature production technology ensuring the quality satisfy international request. We also welcome the third party inspection, such as BV, SGS and TUV.
The information you may like to know before Payment:
1. Methods of Payment:
T/T (Telegraphic Transfer) or L/C at sight
2. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
3. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
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