API 5CT Stage Collar

API 5CT Stage Collar

Stage Cementer features inner-closing configuration, opening through pressure differene. The closing plug drivers the closing sleeve to shut the circulation ports.

Features:
   API 5CT
   China Petroleum Department Standard SY/T5618-2000
   API RP 10F rating
   Opening pressure can be adjusted and it is not subjective to hole angle or mud properties for operation.
    The inner diameter of upper/lower sub is the same as that casing, but smaller than that of closing sleeve, which can minimize chances of damages to the closing sleeve.
    The inner seats are made of an easily drillable NBR rubber/aluminum material. Both the opening and closing seats lock against rotation for the easy drill out.

Technical Parameters:

Specifications, in	5 1/2”	7”	9 5/8”	13 3/8”
Max O.D., mm	170	208	283	381
Drill-out I.D., mm	122	155	220	315
Overall length, mm	1082	1182	1222	1280
Rated load, t	140	170	210	300
Sealing capacity, MPa	25	25	25	25
Opening pressure, MPa	13	13	13	14
Closing pressure, MPa	5	5	5	5
Lower sliding sleeve I.D., mm	85	115	176	203
Upper sliding sleeve I.D., mm	95	125	197	285

Sue Zhao
Puyang Zhongshi Group Co., Ltd.
Office: Room 2-1-507,International Trade Center, Zhengzhou City, Henan Province, CHINA
Factory: The 5th District, Zhongyuan Oil Field, Puyang City, Henan Province, CHINA
Skype: scarlett-chemical

WhatsApp: 008615981981809
Tel: 0086 371 8709 6211
Fax: 0086 371 8709 6212
Email: zhongshi03@chinajixie.com 
Web: www.zs-oilfieldequip.com; www.chinajixie.com