DSG-A Stage Cementers
Specifications
1.DSG-A type2.All accessories are non-rotating and made of easily drillable materials.
Features:
1. The I.D. of upper and lower sub is equal to that of casing, but smaller than that of closing sleeve, eliminating the possible damage to the closing sleeve during tripping or drilling out accessories.
2. All accessories are non-rotating and made of easily drillable materials.
3. A Pump-Down Opening Plug instead of a Free-Fall Opening Plug can be used for a continuous two-stage cementing operation.
Detail Specification:
Technical specifications and parameters for DSG-A Stage Cementer | |||
Specification(in) |
7 5/8” |
7” |
5 1/2” |
Overall length(mm) |
1332 |
1288 |
1249 |
Max. O.D(mm) |
283 |
208 |
172 |
Min. I.D(mm) |
220 |
155 |
122 |
Rated Load(KN) |
2100 |
1700 |
1200 |
Sealing Capacity (Mpa) |
above 25 |
above25 |
above25 |
Opening Pressure (Mpa) |
7Mpa |
||
Closing Pressure (Mpa) |
5 |
||
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