ATCO Midstream - Golden Spike, Alberta
- Engineering and technical auditing of the detailed design for a 40 MMSCFD sour gas plant involving 450 HP acid gas (50% H2S) injection, turbo expansion and coldbox, ethane extraction, mole sieve, and mercaptan removal. Project management and engineering management, EPC contract development and administration, start-up services.
- AENV permit application. EUB permit applications and audit manuals.
- Study of third party gas processing options.
- Process design, permitting and project management for a 12 MMSCFD sacrificial sweetening system. Project included Solar compressor upgrades, replacement of trays with structured packing and construction management.
- Acid gas volume: 212 cum/d. Acid gas compression: 450 HP.
Bear Cub Energy - Texas, USA
- Troubleshooting of suspected hydrate formation and high wellhead pressures in a sour AGI processon a tail end of a gas plant.
- The team conducted an on-site investigation of current operations combined with process simulation to replicate suspected hydrate formation conditions and provided recommendations.
- The AGI process section consisted of 2 x 100% 5-stage motor driven 600 BHP reciprocating compressors with acid gas feed conditions of 3.0 MMSCFD gas containing 55% H2S and 43% CO2 with a discharge pressure of 1280 psig.
Encana - Deep Panuke, Nova Scotia
- Preliminary design of an offshore acid gas injection scheme to inject 4.5.
- MMSCFD of acid gas with an approximate composition of 25% H2S and 75% CO2.
- Study included compressor design (1200 HP), phase equilibrium calculations and water content.
- Scenarios studied included blending the acid gas with condensate prior to injection.
Harmattan Gas Process LP - Harmattan, Alberta
- Basic engineering of acid gas injection facility that will compress and dehydrate 260 e3m3/day of acid gas from amine sweetening plant to inject it in adjacent reservoir. Optimized the process simulations by using ProMax and simulated the reservoir. Studied the impact of 2nd and 3rd stage refrigeration on the process, product and equipment efficiencies.
Husky Oil Operations Ltd.- Rainbow Lake, Alberta
- Engineering and process evaluation/audit of existing acid gas injection facility which includes 2 x 1000 HP four-stage compressors.
- Acid gas composition: 76% H2S, 23% CO2. Acid gas rate: 2.7-4 MMSCFD. Acid gas compressor discharge at 1490 psig into a 200m pipeline.
- Project management including engineering, procurement, construction management, operation training and commissioning for a third acid gas compressor unit.
- Process review for sales oil tank odour issues.
- Interstage cooler hydrate formation prediction and estimation of methanol injection requirements.
- Prediction of the condition of hydrate formation in the interstage cooler of an acid gas inection scheme. Estimation of the methanol injection rate in order to prevent the formation of said hydrate.
- Engineering and safety audit for acid gas injection system, system revamp and continued operations support specifications for 3rd AGI compressor.
- Retrofit of the existing acid gas injector (AGI) system with a 10 km, 4 in diameter. AGI pipeline handling up to 95% H2S.
- DBM, design, material specs and procurement for a 10 km. 4 in diameter acid gas injection pipeline, which runs from a 10-10-109-8W6M to 3-12-110-8W6M. Design flow rate of 7.4 MMSCFD. The project also included modifications at Rainbow Gas Plant to re-route the acid gas the new pipeline. The licensed max H2S content of the pipeline is 95% and MOP 9850 kPa.
- Acid gas injection study and HAZOP review.
Spectra Energy - Fort Nelson, B.C.
- Design basis memorandum, project specifications, engineering for a 100 MMSCFD acid gas recovery, transportation and injection system.
Suncor Inc. - Rosevear, Alberta
- Preliminary and detailed engineering, procurement and construction of a 140.8 e3m3/day (5 MMSCFD) acid gas (50% H2S) injection facility requiring two 600 kW (800 HP) variable speed electric drive compressors, acid gas chilling, associated pipelines and the addition of an auxiliary steam boiler and Sour Water Flash Tank. Responsible for regulatory, project management, construction management, commissioning, and operations support.
- Installation of 2nd stabilizer and associated equipment from the North Rosevear facility.
- Detailed design of the two (2) 800 HP acid gas injection compressors.