| Customization: | Available |
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| After-sales Service: | Online Support |
| Warranty: | Online Support |
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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)
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Lake Petro company is a professional supplier of various oilfield drilling rig equipment, including oil drilling and service equipment,oil production equipment,OCTG ,wellhead & downhole tools and spare parts with API certification.
Advanced equipment and techniques
Long-term cooperative relationships with more than a hundred famous and large manufacturers in China
High quality products and the best services to meet the strict needs of our customers
The business philosophy of "people-oriented, customer first and reliability first"
Successfully exported to Europe, America, the Middle East, South Africa and Southeast Asia.
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. Following the principle of "quality first, science and technology innovated, people oriented", every Lake Petro person is sparing no effort to provide the customers with best products and services. Through efforts of Lake Petro staff, our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). With super quality, reasonable price and professional service, 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 us 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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