49.  26-3/4-2000 psi Annular Blowout Preventer
50.  26-3/4-2000 psi single-gate blowout preventer/double-gate blowout preventer
51.  26-3/4-3000psi Annular Blowout Preventer
52.  26-3/4-3000psi single-gate blowout preventer/double-gate blowout preventer
七．修井防喷器：
1.  7-1/16-3000psi Annular Blowout Preventer
2.  7-1/16 -3000psi double gate blowout preventer
3.  7-1/16-3000psi single gate blowout preventer
4.  7-1/16-5000psi Annular Blowout Preventer
5.  7-1/16-5000psi double gate blowout preventer
6.  7-1/16-5000psi single gate blowout preventer
7.  7-1/16-5000/10000psi Annular Blowout Preventer
8.  7-1/16-10000psi double gate blowout preventer
9.  7-1/16-10000psi single gate blowout preventer
10.  7-1/16-10000/15000psi Annular Blowout Preventer
11.  7-1/16-15 000 psi double gate blowout preventer
12.  7-1/16-15 000 psi single gate blowout preventer
八．封井器：
1.  XZ18-21
2.  XZ18-35
3.  XZ23-21
4.  XZ23-35
5.  XZ28-21
6.  XZ28-35
7.  XZ35-21
8.  XZ35-35
9.  XZ48-21
10.  XZ48-35
11.  XZ54-21
12.  XZ54-35
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