1. Ram Blowout Preventers
Compact 18 3/4 - 15,000

2. Compact Ram BOP Models and Sizes Ram Assemblies Features and Benefits
Performance
Maintenance
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3. Compact Ram BOP Sizes 18 3/4 - 5,000 18 3/4 - 10,000 18 3/4 - 15,000
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4. 18 3/4 - 15,000 Ram BOP Body configurations Side outlets
Single
Standard double
Extended double
Studded x flanged
Side outlets
Studded
Flanged
3 1/16 or 4 1/16
Operator options
15 1/2” standard
19” optional shear
22” optional shear
MPL standard
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5. Ram Assembly Types Fixed Bore Rams Variable Rams Blind / Shear Rams
Tubing Rams
Drill Pipe Rams
Casing Rams
Variable Rams
3 1/ /2
4 1/2 - 7
Blind / Shear Rams
Casing Shear Rams
Dual Offset Hanging Rams
Orientation Rams
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6. Compact Features / Benefits
Next generation design
Lighter weight
Shorter height
Field Maintainable
Interchangeable rams
Patented bonnet seal
Low torque bonnet bolts
Replaceable manifold hinge assembly
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7. Compact 18 3/4 - 15,000
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8. Body Features / Benefits
Inconel ring grooves
End connections
Studded x flanged
BX-164 standard
CX-18 optional
Side outlets
Flanged or studded
BX-154 (3 1/16)
BX-155 (4 1/16)
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9. Body Features / Benefits
Replaceable upper seal seat
Replaceable ram cavity wear plate
Bonnets hinge from either side
Corrosion protection
Inconel ring grooves
Inconel inlay in bonnet sealing area
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10. Ram Cavity Upper Seal Seat
Field proven since 1979
Field replaceable wear surface
Epoxy phoenlic corrosion coating
Retained by snap ring & 16 set screws
Stainless steel snap ring and set screws
High temperature seal and backup ring
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11. Ram Cavity Wear Plate Field replaceable
Compensates for ram cavity wear
Retained by two interlocking pins and four set screws
Stainless steel pins and set screws
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12. Bonnet Features / Benefits
Patented bonnet seal
Low torque bonnet bolts
Corrosion protection
Inconel inlay in bonnet seal area
Inconel inlay in piston rod bore seal area
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13. Compact Operators Piston sizes available
Standard 15 1/2”
Optional shear 19”
Large shear 22”
Reliable multiple position lock (MPL)
Optional patented ram position indicator
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14. Bonnet Corrosion Protection
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15. Bonnet Seal Carrier Ring
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16. Bonnet Seal Carrier Ring
Patented design
Initially designed for 11” - 20,000 BOP
Pressure energized
High reliability
Low torque bonnet bolts
High temperature
11/13/2018

17. Ram Position Indicators
Compact MPL Operator
Ram Position Indicators
Reliable MPL
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18. Multiple Position Lock
Bearing
Field proven design since 1980
Interchangeable parts on 11” and larger BOP
No extra functions required
Automatic locking every closure
Automatically unlocks on opening rams
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19. Hydraulic Fluid Hinge Pressure balanced symmetrical seal sub
17-4 SS seal sub
Electroless nickel coating of fluid hinge bore
Epoxy phenolic coating on manifold sealing surfaces
Adjust bonnet elevation with hinge pins
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20. Fluid Hinge Seal Sub New design Original design 3 piece design
Stainless steel
Symmetrical
Pressure balanced
Original design
2 piece design
Epoxy phenolic coated
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21. MPL Operator Maintenance
Good maintenance results in:
Rams open or close reliably
Minimum backlash
Periodically run MPL bearing check
Replace bearings annually
Check MPL nut for excessive wear during major overhaul
Maintain clean operator fluid
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22. BOP Assembly Heights Single BOP Standard Dual Extended Dual
Flanged x studded in mm
Standard Dual
Flanged x studded in mm
Extended Dual
Flanged x studded in mm
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23. BOP Assembly Weights Single BOP Standard Dual BOP Extended Dual BOP
22” operator 29,000 lb 13,200 kg
Standard Dual BOP
15 1/2” /2” 50,000 lb 22,700 kg
15 1/2” + 19” 50,700 lb 23,000 kg
15 1/2” + 22” 51,100 lb 23,200 kg
22” + 22” 52,200 lb 23,700 kg
Extended Dual BOP
15 1/2” + 22” 53,500 lb 24,300 kg
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24. BOP Component Weights Bonnet Assemblies Bonnets
15 1/2 Operator 5500 lb 2500 kg
19” Operator 5850 lb 2650 kg
22” Operator 6050 lb 2740 kg
Bonnets
15 1/2 & 19” 2780 lb 1260 kg
22” 2840 lb 1290 kg
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25. BOP Component Weights Body Ram Assemblies Single 15,000 lb 6,800 kg
Standard Dual 26,700 lb 12,100 kg
Extended Dual 29,100 lb 13,200 kg
Ram Assemblies
5” Pipe 840 lb 380 kg
3 1/ /2 HVR 800 lb 360 kg
Blind / Shear Rams 750 lb 340 kg
Casing Shear Rams 850 lb 380 kg
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26. Operator Volumes
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27. Operator Ratios
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28. Bolting Data
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29. Fixed Bore Rams NACE compliant Replaceable MP35N hanging insert
Packer retained by bolts from back of ram
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30. Fixed Bore Rams Drill Pipe Rams 3116832-01 3 1/2 3116832-02 4/2 /2 /2 /8
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31. Fixed Bore Rams Tubing Rams Casing Rams 3116837-01 Blind
/16 /8 /8
Casing Rams /8 /8 /8 /4 /4 /8
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32. Ram Temperature Ratings
BOP Metal
-20° to 250° F
Drill Pipe Rams
30° to 250° F
Tubing / Casing Rams
Variable Rams
30° to 180° F
Blind / Shear Rams
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33. Variable Bore Rams NACE compliant Replaceable MP35N hanging inserts
Patented interlocking packer inserts
15,000 psi rating on all pipe sizes
/ /2
/2 - 7
development 5 1/ /8
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34. Blind / Shear Rams Field proven design High capacity design
1989 Treasure Saga
Excellent fatigue life
High capacity design
Shear 9 5/8 casing
Stellite sealing surface
Designed for 15 1/2” 19” and 22” operators PN
11/13/2018

35. Casing Shear Rams 13 3/8” 72.0 lb/ft L-80 1890 psi
11 3/4” 65.0 lb/ft Q psi
8 5/8” 49.0 lb/ft L psi
6 5/8” 27.7 lb/ft S psi
5” 19.5 lb/ft S psi
PN ; Non-sealing & fits any BOP cavity
11/13/2018

36. Dual Offset Hanging Rams
Dual 3 1/2 string
5000 psi rated
100,000 lb per string PN
Orientation Rams PN
11/13/2018

37. API Performance Tests BOP Testing Ram Testing Sealing Characteristics
Fatigue Life Tests
Stripping Life
Hangoff Tests
Shear Tests
Ram Locking Device
Ram Access Test
Ram Testing
Sealing Characteristics
Fatigue Life Tests
Stripping Life
Hangoff Tests
Shear Tests
Ram Locking Device
Ram Access Test
Temperature Verification Tests
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38. Closing Ratio, Pipe Rams
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39. Pressure on Pipe
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40. Closing Ratio, 3 1/ /2
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41. Closing Ratio, Shear Rams
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42. Opening Ratio
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43. Opening Ratio, Shear Rams
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44. Ram Fatigue Life Pipe Rams Blind / Shear Rams 3 1/2 - 5 1/2 Variables
> 78 wellbore pressure cycles (546 closures)
Blind / Shear Rams
104 wellbore pressure cycles (728 closures)
3 1/ /2 Variables
3 1/2 inch pipe wellbore pressure cycles (546 closures)
5 1/2 inch pipe wellbore pressure cycles (546 closures)
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45. Ram Hangoff Capacity
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46. Ram BOP Testing Standard Performance Testing Maintenance Testing
BOP Operating Test (Function Test)
Hydraulic System Pressure Test
Wellbore Test
Maintenance Testing
MPL Bearing Check
MPL Lock Procedure
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47. BOP Operating Test
Purpose - verify proper functioning of system valves / functions
Performed prior to running stack
Performed periodically per regulations
Use normal operating pressures
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48. Hydraulic System Pressure Test
Purpose - verify proper functioning of system valves / functions / seals
Function closed and hold 3000 psi
Check for leaks
Function open and hold 3000 psi
Vent pressure
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49. Wellbore Test
Purpose - verify proper functioning and sealing of ram packers
Close rams with normal operator pressure
Vent closing pressure
Low pressure wellbore test
High pressure wellbore test
Reduce wellbore pressure to zero
Open rams
11/13/2018

50. MPL Bearing Check
Purpose - verify proper overhauling of MPL clutch assembly
Apply 200 psi closing pressure
Check for complete closure of rams
Apply 200 psi opening pressure
Check for complete opening of rams
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51. MPL Lock Procedure
Purpose - torque overhauling screw to BOP piston (factory procedure)
Close rams with normal operator pressure
Vent closing pressure
Engage MPL lockout screws
Apply specified opening pressure and hold
Apply closing pressure
Disengage MPL lockout screws
Open rams
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52. Factory Acceptance Test
BOP Testing
Acoustic emission monitored
Hydrostatic body tested at 22,500 psi
Hydrostatic operator tested at 4500 psi
Wellbore tested at 300 psi and 15,000 psi
Wellbore tested using operator locks
Ram Testing
Wellbore tested at 300 psi and 15,000 psi
Shear 5-inch 19.5 lb/ft G-105 pipe
Variables wellbore tested on min and max pipe sizes
11/13/2018

53. Rubber Goods Storage Store in original sealed bag Store in cool place
Store away from ultraviolet light
Identification - 83 NBR mmyy XXXX BD
Durometer, Rubber, Date, S/N, Temperature
Typically good for 4 years if properly stored
11/13/2018

54. 18 3/4 - 15,000 BOP Stacks Santa Fe Rig 140
Transocean Discoverer Seven Seas
Transocean Marianas
Santa Fe Rig 135
Sedco 707
Noble Roger Eason
BPSD Shelf V
Smedvig West Future II
Transocean Discoverer Enterprise
Smedvig West Navion I
Santa Fe Rig 140
Discoverer Spirit
Discoverer Deep Seas
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55. Transocean Marianas
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