Annular BOP packing element specification

 

working pressure MPa(psi)  Bore mm(in) 
179(7 1/16”) 228(9”) 279(11”) 346(13 5/8”)425(16 3/4”) 476(18 3/4”) 527(20 3/4”) 540(21 1/4”) 680(26 3/4”)750(29 1/2”)
70(10000)√   √   √   √              
35(5000)          
21(3000)     √          
14(2000)                  
3.5(500)                  

 

Physics performance of rubber

 

Iitem Inspection item Technical specification   ≤35MPa Technical specification   ≥70MPa
1 toughness A 75±5 85±5
2 300% tensile toughness Mpa≥10≥10
3 tensile toughness Mpa≥19.6≥19.6
4 elongation rate %≥250≥200
5 permanent distortion %≤25≤20
6 aging rate120℃×24h≥0.6≥0.6
7 brittleness temperature℃≤-18≤-18
8 brittleness temperature KN/m≥40≥40
9 brittleness temperature Mpa≥4≥4

 

High performance rubber physics specification(HNBR material, Cameron refer to Cameron type material specification)

 

Iitem Inspection item Technical specification
1 toughness A 75±5
2 300% tensile toughness Mpa≥10
3 tensile toughness Mpa≥18
4 elongation rate %≥400
5 permanent distortion %≤30
6 aging rate120℃×24h≥0.6
7 brittleness temperature℃≤-18
8 brittleness temperature KN/m≥40
9 brittleness temperature Mpa≥4

Annular BOP packing element specification

 

working pressure MPa(psi)  Bore mm(in) 
179(7 1/16”) 228(9”) 279(11”) 346(13 5/8”)425(16 3/4”) 476(18 3/4”) 527(20 3/4”) 540(21 1/4”) 680(26 3/4”)750(29 1/2”)
70(10000)√   √   √   √              
35(5000)          
21(3000)     √          
14(2000)                  
3.5(500)                  

 

Physics performance of rubber

 

Iitem Inspection item Technical specification   ≤35MPa Technical specification   ≥70MPa
1 toughness A 75±5 85±5
2 300% tensile toughness Mpa≥10≥10
3 tensile toughness Mpa≥19.6≥19.6
4 elongation rate %≥250≥200
5 permanent distortion %≤25≤20
6 aging rate120℃×24h≥0.6≥0.6
7 brittleness temperature℃≤-18≤-18
8 brittleness temperature KN/m≥40≥40
9 brittleness temperature Mpa≥4≥4

 

High performance rubber physics specification(HNBR material, Cameron refer to Cameron type material specification)

 

Iitem Inspection item Technical specification
1 toughness A 75±5
2 300% tensile toughness Mpa≥10
3 tensile toughness Mpa≥18
4 elongation rate %≥400
5 permanent distortion %≤30
6 aging rate120℃×24h≥0.6
7 brittleness temperature℃≤-18
8 brittleness temperature KN/m≥40
9 brittleness temperature Mpa≥4

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