Ram Bop

Ram BOP

  • Available with a wide variety of sizes and end connections.
  • U type ram BOPs are forging materials, which have better strength and impact toughness.
  • Auxiliary oil cylinder is smaller volume than traditional type.
  • Manual locking device can ensure that ram remains closed once hydraulic loss happened.
  • Ram rubber use self-contained seal, and the material can be different according to environment temperature and liquid components.
  • The internal part of BOP can adapt special material, which can achieve the highest levels of resistance to H2S and CO2.

Description

Ram BOP-Well Control Equipment

 

Ram type BOPs are field proven products that are designed for a variety of operations from work-overs to high pressure, critical service operations for land drilling and subsea service.

It consists of the BOP body, bonnet, hydraulic cylinder assembly, operating piston, ram change cylinder, ram opening/closing piston, locking screw, ram assembly, sealing parts etc. Top, bottom and outlet connection dimensions conform to Specification for Drilling through Equipment API Spec 16A.

Made up of the high-strength and high-tenacity alloy steel, the pressure-bearing parts (like BOP body, bonnet etc.) are formed through external refining and proper heat treatment, preventing the harmful chemical components and nonmetallic inclusion strictly from materials and ensuring BOP to be safe and reliable. The body ram chamber adopts the long runway to reduce stress concentration.

Both the bonnet switch and ram switch are driven by the hydraulic pressure and adopts the same one oil line. The bonnet employs the same one oil line and operation to open and close the ram. Moreover, the bonnet employs the same one oil line and operation to close and open the ram.

Model Main Bore
mm(in)
Working pressure
MPa(psi)
Oil quantity for opening L(Single Cylinder) Oil quantity for closing L(Single Cylinder) Ram Type Max.ram Size(in) Dimension (mm) Weight (kg)
length width height single double
single double
(2)FZ18-21 179.4(7-1/16) 21(3000) 1.6 2 H 5-9/16 1420 645 568 854 855 1540
(2)FZ18-35 179.4(7-1/16) 35(5000) 1.6 2 H 5-9/16 1420 645 624 910 895 1580
(2)FZ18-70 179.4(7-1/16) 70(10000) 2.2 2.5 H 5-9/16 1720 640 897 1262 1660 3020
(2)FZ18-105 179.4(7-1/16) 105(15000) 7.4 8 H 5-1/2 1988 820 922 1372 3175 5885
(2)FZ23-21 228.6(9) 21(3000) 1.3 1.5 HF 7 1526 565 580 866 705 1250
(2)FZ23-35 228.6(9) 35(5000) 4.7 5.3 HF 7 2036 720 805 1190 1830 3415
(2)FZ23-70 228.6(9) 70(10000) 7 8 H 7 2324 850 1038 1518 3635 6835
(2)FZ23-105 228.6(9) 105(15000) 10.2 10.9 HF 7 2170 920 1140 1640 4150 7500
(2)FZ28-21 279.4(11) 21(3000) 2.7 3.2 S 8-5/8 1846 675 740 1100 1400 2550
(2)FZ28-35 279.4(11) 35(5000) 5.4 6.2 S 8-5/8 2265 785 895 1325 2475 4550
(2)FZ28-70 279.4(11) 70(10000) 7 8 H 8-5/8 2324 850 1102 1582 3770 6850
(2)FZ28-105 279.4(11) 105(15000) 14.6 16.7 H 8-5/8 2650 1050 1244 1784 6303 11028
(2)FZ35-21 346.1(13-5/8) 21(3000) 7.8 8.9 S 10-3/4 2414 760 774 1164 2705 5115
(2)FZ35-35 346.1(13-5/8) 35(5000) 7.9 9.3 S 10-3/4 2415 847 930 1370 3010 5480
(2)FZ35-70 346.1(13-5/8) 70(10000) 18 20.7 HF 10-3/4 2786 1085 1276 1782 6120 11135
(2)FZ35-105 346.1(13-5/8) 105(15000) 17.4 20 H 10-3/4 3074 1140 1420 1985 8945 16070
(2)FZ43-35 425.5(16-3/4) 35(5000) 10.3 11.6 HF 10-3/4 2923 1190 1090 1570 5300 9860
(2)FZ48-35 476.3(18-3/4) 35(5000) 24.5 27.9 HF 16 3430 1440 1504 2072 9758 12286
(2)FZ48-70 476.3(18-3/4) 70(10000) 24.5 27.9 HF 16 3430 1440 1618 2186 10312 20624
(2)FZ53-21 527.1(20-3/4) 21(3000) 12.2 13.6 HF 16 3424 1165 1065 1650 6130 13355
(2)FZ54-14 539.8(21-1/4) 14(2000) 12.1 13.8 HF 16 3300 1130 940 1480 5560 10200
(2)FZ54-35 539.8(21-1/4) 35(5000) 26 29.6 HF 16 3590 1445 1320 1950 9270 17670
(2)FZ68-21 679.5(26-3/4) 21(3000) 32.6 37 HF 18-5/8 4350 1450 1250 1870 12360 20290

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