|
 |
Features /
1、Used for the inner string cementing of large diameter. Displacement volume and cementation time are reduced and cementing operation is safer.
2、The valve is made with phenolic material and molded with high strength concrete. Both the valve and concrete are easily drillable. 3、After the stinger stabs into the seat, reliable sealing is achieved. 4、Single valve and double valve versions are available. |
|
Size |
Casing weight |
Back pressure rating |
Sealing capacity between stinger and seat |
|||
|
in |
mm |
Ib/ft |
Kg/m |
psi |
MPa |
MPa |
|
9 5/8 |
244.5 |
32.30-58.40 |
7.92-15.11 |
5000 |
35 |
14 |
|
10 3/4 |
273.1 |
32.75-73.2 |
7.09-17.07 |
5000 |
35 |
14 |
|
11 3/4 |
298.5 |
42.00-71.00 |
8.46-14.78 |
5000 |
35 |
14 |
|
13 3/8 |
339.7 |
48.00-72.00 |
8.38-13.06 |
4000 |
27.6 |
14 |
|
16 |
406.4 |
65.00-109.00 |
9.52-16.66 |
3000 |
20.7 |
11 |
|
18 5/8 |
473.1 |
87.50 |
11.05 |
2000 |
13.8 |
11 |
|
20 |
508.0 |
94.00-133.00 |
11.13-16.13 |
2000 |
13.8 |
11 |
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Address: #1286, Changxing Road, Economic Development Zone, Dezhou, Shandong, China
Tel: +86-534-2670699 Fax: +86-534-2566056 E-mail:info.sripe@sinopec.com
