Country:China>Henan>Xinxiang
xuanhe west road, fengquan district, xinxiang
Company:OASIS OIL TOOLS CO.,LTD FOREIGN TRADE DEPARTMENT
Mobile:008618603735483
Tell+86 373 2947626
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.
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