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Model DJS Liner Wiper Plug
1.The liner wiper plug is connected on the lower end of setting tool and wipes the liner after sheared by a pump down plug.
2.Latches in the landing collar after bump and holds back pressure.
3.All parts are made of easily-drillable materials.
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Model HC-A Tie Back Seal Nipple
1.The design of streamline guide nose and side ports allows easy stabbing into the PBR after cemenation.
2.Multiple groups of seals provide reliable sealing performace.
3.Seals have good resistance to acid, alkali, oil and high temperature.
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Model HC-D Tie Back Seal Nipple with Packer
1.The packer is set mechanically, achieving permanent annulus pack-off.
2.Multiple groups of seals provide reliable sealing performace.
3.Anti- pre-mature setting mechanism prevents pre-mature packer setting during run-in-hole.
4.Hold-down slips ensures reliable sealing performance after setting the packer.
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Model YFZ-A Mechanical Stage Collar
1.The circulation ports are opened by dropping a free-fall opening plug.
2.High strength retaining blocks prevent pre-mature closing and offer reliable performance even in deep wells.
3.Anti-rotation mechanism improves drill-out efficiency.
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Model CFZ-A Hydraulic Stage Collar
1.The circulation ports can be hydraulically opened, eliminating the need to use a free-fall opening plug. Therefore, the hydraulic stage collar can be used in deviated and horizontal wells.
2.Retaining mechanism prevents pre-mature opening.
3.Anti-rotation mechanism improves drill-out efficiency.
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Model YFZ-C Drill-out Free Stage Collar
1.Used for two-stage casing cementing with well inclination less than 25 degrees.
2.The circulation ports are opened by dropping a free-fall opening plug.
3.After the stage collar is closed, the internal accessories will free fall to bottom, eliminating drill-out.
4.Full ID in the casing string is achieved after the internal accessories of stage collar free fall to bottom.
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Copyright(C) Shelfoil Petroleum Equipment & Services Co., Ltd.
Address: #1286, Changxing Road, Economic Development Zone, Dezhou, Shandong, China
Tel: +86-534-2670699 Fax: +86-534-2566056 E-mail:info.sripe@sinopec.com
