Well control equipment

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BOPs Rating The bursting pressure of the casing will often be the determining factor for rating the working pressure of the assembly. API Bulletin D 13 gives the pressure ratings for blowout preventer <strong>equipment</strong>:
API Class 2 M 3 M 5 M 10 M 15 M BOPs Rating Working pressure 10 5 Pa (psi) 138 (2000) 207 (3000) 345 (5000) 689 (10000) 1034 (15000) Service Condition light duty low pressure medium pressure high pressure extreme pressure
Page 1 and 2: Well control equipment Matanović D
Page 3 and 4: Blowout Preventers These requiremen
Page 5 and 6: Blowout Preventers The recommended
Page 7 and 8: Blowout Preventers
Page 9: BOPs Rating Any assembly of blowout
Page 13 and 14: Cutaway view of the blowout prevent
Page 15 and 16: Annular-type preventer (Shaffer)
Page 17 and 18: Packing element Packing element (Hy
Page 19 and 20: They close the annular space outsid
Page 21 and 22: Ram-type preventers Blank units whi
Page 23 and 24: Closing element of the ram-type pre
Page 25 and 26: Blind rams can also be used as dril
Page 27 and 28: Rotationil preventers Rotational pr
Page 29 and 30: Diverters as the name says are used
Page 31 and 32: Diverters are mainly used in off-sh
Page 33 and 34: Kelly valves (kelly cocks) An upper
Page 35 and 36: In Shaffer type kelly valve, closin
Page 37 and 38: Drill string float valves A float v
Page 39 and 40: Flapper-type float valve The flappe
Page 41 and 42: Well head • The wellhead includes
Page 43 and 44: − If more than one casing string
Page 45 and 46: Three types of end and outlet flang
Page 47 and 48: A=2⋅(T+0,5⋅t+d)+S A - stud bolt
Page 49 and 50: Note! The pressure passage hole in
Page 51 and 52: Testing and Maintenance of surface
Page 53 and 54: When testing BOP stack the hole is
Page 55 and 56: Pressure tests The initial high pre
Page 57 and 58: Pressure tests The lower kelly valv
Page 59 and 60: Pressure tests Subsequent high pres
Page 61 and 62:
For annular preventers closing pres
Page 63 and 64:
Pressure testing of an ram-type pre
Page 65 and 66:
Schematic of conventional hydraulic
Page 67 and 68:
Shematic of conventional hydraulic
Page 69 and 70:
Recommended installation of Blowout
Page 71 and 72:
Safety distance for accumulator uni
Page 73 and 74:
Hydro-Nitrogen Accumulators Three d
Page 75 and 76:
Hydro-Nitrogen Accumulators (Krišt
Page 77 and 78:
Choke and kill manifolds
Page 79 and 80:
Drilling choke system Manually actu
Page 81 and 82:
Gate valves • The valves used on
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Well control equipment

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