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China, Chinese 9 5/8" L80 Mechanical Two Stage Collar for Cementing1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Petroleum Equipment MachineryPetroleum Machinery PartsTwo Stage CollarDV Tool
Puyang Zhongshi Group Co., Ltd.
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Product Description 13 3/8" Hydraulic two-stage collars/Double stage collar/9 5/8" L80 Mechanical two-stage collar for cementingUse:Hydraulic Stage Cementer features inner closing structure, opening through pressure difference. The closing plug drives the closing sleeve down and then shut circulation ports.Features:1. Opening pressure can be adjusted and it is not subjective to hole angle.2. The pressure-relief design prevents fluid trapping and compression during the closing phase of the tool's operation.3. The I.D of upper/lower sub is the same as that of casing, but smaller than that of closing sleeve, which can minimize chances of damages to the closing sleeve.4. The inner seats are made of an easily drillable butyronitrile rubber / aluminum material. Both the opening and closing seats lock against rotation for easy drill-out.Technical Parameters:Specifications, (in)5 1/2"7"9 5/8"13 3/8"Max O.D., mmΦ170Φ208Φ283Φ381 Drill-out I.D., mmΦ122Φ155Φ220Φ315 Overall Length, mm1082118212221280Rated Load, t140170210300Sealing capacity, MPa25252525Opening Pressure, MPa13131314 Closing Pressure, MPa5555 Lower Sliding Sleeve I.D., mmΦ85Φ115Φ176Φ203Upper Sliding Sleeve I.D., mmΦ95Φ125Φ197Φ285
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