C042757e.pdf(4.11 MB)
Fig24 - Example of SSV-USV.doc(82 KB)
Fig25 - Example of a surface safety.doc(60.5 KB)
FigA.1 - Wellhead-General.doc(84 KB)
FigA.2 - Wellhead-Casing-head housing.doc(97.5 KB)
FigA.3 - Wellhead-Casing-head spool.doc(99.5 KB)
FigA.4 - Wellhead-Tubing-head spool.doc(102 KB)
FigA.5 - Wellhead-Cross-over flange.doc(67.5 KB)
FigA.6 - Wellhead-Tubing head adaptor.doc(70 KB)
FigA.7 - Wellhead-Christmas tree and choke.doc(74 KB)
FigA.8 - Wellhead-Compact casing-head housing.doc(127 KB)
FigA.9 - Wellhead-Wellhead safety valves.doc(66.5 KB)
FigA.10 - Wellhead-Choke sizing.doc(80.5 KB)
FigA.11 - Wellhead-Actuator and bonnet.doc(132 KB)
FigI.1 - Example of a class II SSV-USV.doc(111 KB)
