HAZOP for Trans-Alaska Pipeline Pump Stations
Hazards Analysis, drag reducing agent, therminol heating systems.

PHA for Central Gas Facilities
Hazards analysis: natural gas liquid (NGL), compressor, compressor process control modifications, fin-fan cooler, flare system, propane refrigeration, enhanced oil recovery (EOR), low temperature separation, diversion tank system.

Hazards Evaluation for Gas Plant
Preliminary hazards evaluation of inlet separator and compressor subsystem, design criteria, operating criteria.

Pressure Relief System Evaluation
Field checked and updated PSV installation isometrics and relief system piping isometrics; verified valve and header capacity for various relief scenarios and recommended size modifications as required.

HAZOP for Sour Water Stripper Unit
Design HAZOP: sour water stripper, feed/bottoms exchangers, reboiler, pump-around pumps, and pump-around cooler.

PHA for Amine Unit
Design HAZOP: sour gas knockout (K.O.) drum, amine absorber, amine flash drum, regenerator, regenerator reboiler, regenerator overhead condenser and accumulator, lean/rich exchangers, lean amine coolers, amine filters, lean amine surge tank, lean amine make-up tank, and associated pumping systems.

HAZOP for Sulfur Recovery Unit
Design HAZOP: amine acid gas and ammonia acid gas feeds, acid gas K.O. drums, acid gas injector, thermal reactor, boiler, condensers, catalytic reactors, reheat exchangers, sulfur pit and transfer pumps, and tail gas incinerator.

PHA for Refinery Operations
Hazards analysis of refinery units including: crude, LPG, tank farm, wharf, shipping, fire protection, and spills.

HAZOP for Oil Shale Module
Hazards analysis: retort, oil recovery, compressor and precipitator; analysis included Fault Tree Analysis (FTA) and evaluation of earthquake, lightning, and tornado hazards.

PHA for Flow Station
Hazards analysis: miscible gas injectant, enhanced oil recovery, natural gas liquid system, compressor, separator, and spills.

Flammable Gas Detector Criteria
Criteria for spacing flammable gas detectors: methane, overpressure, and unconfined vapor cloud.

Flammability Testing
Flammable limits of in-situ retort off-gases: CO, H2, CH4, and inert diluent.

Incident Investigation for Refinery Vapor-Cloud Explosion and Fire