About WE OASIS:
Gravel pre-packed stainless steel casing screens for well drilling
Gravel pre-packed stainless steel casing screens consist of two screens or multilayer screens
and the stuffing between the screens. Perforated pipe inside and Johnson type screens/wedge wire screens outside.The base pipe can be made of casing pipes, seamless pipe or welded pipe.
Usually the ID of Johnson type screen equals OD of the perforated pipe.
Characteristics of gravel pre-packed wedge wire screens/stainless steel casing screens
1. Gravel pre-packed stainless steel casing screens consist of two screens or multilayer screen.
2. Perforated pipe inside ,with perforations wrapped by the outside Johnson type screen.
3. The screen jacket and base pipe are welded together with a length of coupling.
4. The base pipe can be made of seamless pipe or welded pipe, and more often, casing pipes.
5. The filler can be gravel,sand or ceramic balls.
Gravel prepacked stainless steel casing screens in details:
Packing&Delivery:
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to your quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but the freight is on buyer's account.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
LC is also accepted.
If you have another questions about our stainless steel casing screens, pls feel free to contact me as below,I will show you the professional international trade service. The most important is we will supply you the best goods in China.
Audited Supplier 
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