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Annular Blowout Preventers

     

Annular BOP can complete following operation:

①To seal the annular room of different sizes with one sealing base gum when drilling tool, tubing or casing are in the hole. ②To fully seal the well head when drilling tools are not in the hole. ③To seal the annular room between kelly, coring tools, cable, steel line and the hole when well blowout happened during the operations such as drilling, coring and logging. ④To get through 18° unscrewed butt welded drill pipe then snub drilling tool while using depressuring valve.

Our blowout preventers are manufactured in accordance with API Specification 16A, Third Edition and NACE MR0175 per API Specification 16A, Temperature T20.

Annular BOP Sizes and Models

Working Pressure (psi)

Bore (inches)

7-11/16

9

11

13-5/8

16-3/4

18-3/4

20-3/4

21-1/4

10,000

 

 

 

 

 

 

 

 

5,000

 

 

 

 

 

 

 

 

3,000

 

 

 

 

 

 

 

 

2,000

 

 

 

 

 

 

 

 

 Annular BOP Specifications*

Bore (inches)

7-1/16

9

11

13-5/8

20-3/4

21-1/4

Working Pressure (psi)

3000

5000

3000

5000

3000

5000

10000

3000

5000

10000

3000

2000

Operating Pressure (psi)

1500

1500

1500

1500

1500

1500

1500

1500

1500

1500

1500

1500

Gallons to Close

4.92

4.57

7.23

11.05

11

18.67

30.58

23.5

23.58

40.16

43.4

31.1

Gallons to Open

3.43

3.21

5.03

8.72

6.78

14.95

24.67

14.67

17.41

32.64

26.9

18.9

Width (inches)

29

29

35-1/2

40

39-7/8

44-3/4

57

46-3/8

50

64-1/2

54-1/8

52-3/4

Height (inches), Studded Top, Flanged Bottom

29-1/8

30-7/8

32-1/2

36-1/2

32-7/8

41-1/2

53

40-11/16

44-15/16

58-3/4

48-7/16

52-1/2

Weight (lbs), Studded Top, Flanged Bottom

2900

3175

4775

6800

5825

9550

23000

9100

13650

32475

14600

15100

Ring Gasket

R-45

R-46

R-49

R-50

R-53

R-54

BX-158

R-57

BX-160

BX-159

R-74

R-73

   *This is only a partial listing of our annular blowout preventers. Data in this table are for reference only.



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