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[China]
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Address: Xinhua District, Cangzhou City, Hebei Province, China
Contact name:Peter
Hebei Pantu Machinery Equipment Co., Ltd |
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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
Item | Specification for Annular BOP | |||||||||
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 | |||||||||
Recommended hydraulic working pressure seal pipe (MPa/psi) | 1,218～1,522psi | |||||||||
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 | |||||||||
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” | |||||||||
Temperature grade of metal | T-20/250(-29℃～121℃) | |||||||||
Temperature grade of non-metal | BAB (-18℃~66℃~93℃) | |||||||||
Medium material contact with well liquid | Per to NACE MR-01-75, meet API 16A 4th Edition Standard | |||||||||
