Fluid Machinery for the Oil, Gas and Petrochemical Industry

Optimization of screw compressor design N Stosic, I K Smith, and A Kovacevic 3

CFD modelling and design optimization of a gerotor pump F Iudicello 15

Industrial centrifugal compressors - physical background and practice of modern gas dynamic design Y Galerkin, V Mitrofanov, K Danilov, and E Popova 27

Turbo-process Machinery

Exducer turbines, the optimized solution for liquefied gas expanders H E Hylton and E H Kimmel 39

Design of large-scale air separation turbomachinery units H Voss 53

The MS 5002E - a new two-shaft, high-efficiency, heavy-duty, gas turbine for Oil & Gas applications L Aurelio, L Tognarelli, and P Pecchi 65

Developments in Pumps and Drivers Ultra-high pressure seawater injection pumps B Germaine 79

Ultra-high pressure water injection pumping design N Muntz and G Stead 89

Multiphase Pressure Boosting

Field operation and performance of a downhole hydraulic submersible multiphase pump W G Harden 105

Wet gas compression with twin-screw multiphase pumps D Muller-Link, J-U Brandt, M Reichwage, and G Schroder 117

Safety and Environment

Development of machinery and rotating equipment integrity - safety inspection guidance notes J J Lewis and B Stark 129

Improving safety at gas turbine plant - preparation for ATEX I R Cowan, S Gilham, E S Kaufman, R L Brooks, and L M Danner 141

MagMax[trademark] - the development of a revolutionary sealless pump K Black 153

Application of a diagnostic system for mechanical seals C Schmidthals 177

Operations and Maintenance

Unstable operation of a synthesis gas compressor J P M Smeulers and Ir O van Wolfswinkel 189

Maintenance strategy development for new liquefied natural gas (LNG) facilities N Arthur 197

Operational difficulties on an ethylene plant cracked gas compressor train A D R Chapman, G M Corrigan, and B R Gamblin 209

Water injection system to maintain the performance of cracked gas compressors in ethylene plants T Loscha, H Magdalinski, and M Grafe 221

Retrofits and Upgrades

Major rerate of a process air compressor during a plant shutdown G Kerr and F G Cataldo 233

Technical specification of turbomachinery rerates S A Rodgers, C J Robinson, and J O'Connor 243

Uprate applied to turbomachinery in olefin plants from MAN Turbo's point of view G Hinrichs 255

Radical upgrading of ethylene plant turbo-machinery control and protective systems N H Wells 263

Additional Papers

Design consideration for helico-axial multiphase pumps M Cordner and J de Salis 277

Enhanced mechanical face seal performance using modified face surface topography L Young, E Roosch, and R Hill 293

Authors' Index 305