539.7 Mm 21 1/4" Shaffer Annular Bop Well Control Equipment
The Shaffer Annular Bop is an essential pressure control device during drilling and operations, as it serves to prevent the uncontrolled leakage of oil/gas from the wells. Shaffer Annular Bop can be used in work over and drilling operations equipped with hydraulic control systems.
Annular Blowout Preventer specs
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Item |
Specification for Annular BOP |
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Size and model |
7 1/16″ -3000psi |
7 1/16″ -5000psi |
9″ -3000psi |
9″ -5000psi |
11″ -3000psi |
11″ -5000psi |
13 5/8″ -3000psi |
13 5/8″ -5000psi |
20 3/4″ -3000psi |
21 1/4″ -5000psi |
|
mm/in Bore (mm/in.) |
179.4 7 1/16 |
179.4 7 1/16 |
228.6 9 |
228.6 9 |
279.4 11 |
279.4 11 |
346.1 13 5/8 |
346.1 13 5/8 |
527 20 3/4 |
539.8 21 1/4 |
|
Rated working pressure (MPa/psi) |
21 3,000 |
35 5,000 |
21 3,000 |
35 5,000 |
21 3,000 |
35 5,000 |
21 3,000 |
35 5,000 |
21 3,000 |
35 5,000 |
|
Hydrostatic pressure testing pressure (MPa/psi) |
42 6,000 |
70 10,000 |
42 6,000 |
70 10,000 |
42 6,000 |
70 10,000 |
42 6,000 |
70 10,000 |
31.5 4,500 |
70 10,000 |
|
Hydraulic-controlled rated working pressure (MPa/psi) |
21/3,000 |
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Recommended hydraulic working pressure seal pipe (MPa/psi) |
1,218～1,522psi |
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Max. working pressure seal well without a pipe in (MPa/psi) |
10.5 1,500 |
17.5 2,500 |
10.5 1,500 |
17.5 2,500 |
10.5 1,500 |
17.5 2,500 |
10.5 1,500 |
17.5 2,500 |
10.5 1,500 |
17.5 2,500 |
|
Recommended hydraulic working pressure seal well without a pipe in (MPa/psi) |
≤10 .5/1,500 |
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Open Max. oil volume (L) |
15 |
15 |
22.8 |
33 |
39 |
56 |
69 |
69 |
110 |
181 |
|
Close Max. oil volume (L) |
21 |
21 |
34 |
42 |
50 |
72 |
94 |
94 |
173 |
241 |
|
Lift weight by two lifting rings (t) |
16 |
16 |
16 |
25 |
25 |
25 |
32 |
32 |
32 |
64 |
|
The outlet of hydraulic oil |
NPT 1” |
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Temperature grade of metal |
T-20/250(-29℃～121℃) |
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Temperature grade of non-metal |
BAB (-18℃~66℃~93℃) |
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Medium material contact with well liquid |
Per to NACE MR-01-75, meet API 16A 4th Edition Standard |
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