Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 1000sets/month |
| Delivery Time | 15 work days |
| Packaging Details | Metal or wooden case |
| Application | Oilfile Drilling |
| Material | Alloy steel |
| Usage | Cementing |
| Warranty | 1 Year |
| Core Components | Bearing, Pressure vessel |
| Model | Hydraulic |
| Processing Type | Forging |
| COLOR | Customised |
| Weight(kg) | 30 |
| Brand Name | ZS |
| Model Number | 5 1/2" to 13 3/8" |
| Certification | API |
| Place of Origin | China,Henan |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000sets/month |
| Delivery Time | 15 work days | Packaging Details | Metal or wooden case |
| Application | Oilfile Drilling | Material | Alloy steel |
| Usage | Cementing | Warranty | 1 Year |
| Core Components | Bearing, Pressure vessel | Model | Hydraulic |
| Processing Type | Forging | COLOR | Customised |
| Weight(kg) | 30 | Brand Name | ZS |
| Model Number | 5 1/2" to 13 3/8" | Certification | API |
| Place of Origin | China,Henan |
API Stage Collar
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 of Stage Collar :
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 of Stage Collar:
| Specifications, (in) | 5 1/2" | 7" | 9 5/8" | 13 3/8" |
| Max O.D., mm | Φ170 | Φ208 | Φ283 | Φ381 |
| Drill-out I.D., mm | Φ122 | Φ155 | Φ220 | Φ315 |
| 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 | Φ85 | Φ115 | Φ176 | Φ203 |
| Upper Sliding Sleeve I.D., mm | Φ95 | Φ125 | Φ197 | Φ285 |
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Total Annual:
5 million-10 million
Employee Number:
570~600
Ecer Certification：
Verified Supplier
Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o... Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o...
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