Nova Scotia – Bedford – Hammonds Plains
Corporation
www.mcgregor-geoscience.com
Nova Scotia
Bedford
Hammonds Plains
Corporation
active
Mcgregor Geoscience Ltd. provides seabed and seafloor mapping services for clients in the petroleum, transportation, exploration, communications, mining, construction, defense and fishing industries as well as to government and affiliated agencies. Services are provided ina range of capacities including: -Project Management
-Quality Control
-Client Representation
-Data Acquisition, Processing, Interpretation and Management
-Charting and Reporting
-Marine Mammal Observation and Environmental Sampling
-Vessel Functionality and Safety Audits
-Client Representation.
McGregor employs a variety of geophysical and bathymetric systems icluding: -Side Scan Sonar acquisition and processing systems
-Sub-bottom Profiler acquisition and processing systems
-Marine Magnetometer Systems
-96-channel, 24 bit, Digital Seismic system with 1200m solid streamer; Sleeve-Gun source
-Single-Channel Seismic with Digital Recording - Processing
-Multibeam Bathymetric Systems
-Single beam deep water bathymetry system
-Seabed sampling and photography
McGregor processes and interprets geophysical and bathymetric data using a variety of current software including: GEDCO Vista Full Pro 2 and 3-D processing software
-2-D and 3-D Seismic Workstations
WinPics Seismic Interpretation Software
-CODA and Tritron Elics side scan and subbottom acquisition and processing software
-CARIS HIPS/SIPS Multibeam Processing
-QINSy seismic navigation and multibeam acquisition software
-HyPack/HySweep navigation and bathymetry software
-Arcview GIS system
-CAD and image-Processing software
-DBMS software.
McGregor operates a number of dedicated survey ships and vessels to perform our services worldwide. We have 3 fully equipped hydrographic and geoscience vessels, all of which are ice class. In addition we offer a fully equipped 8m survey launch that is fully equipped for shallow water surveys in and around harbors as well as landing surveys for cables and pipelines. Full vessel details can be found on our website.
-R/V Strait Signet, LOA 40m
-R/V Strait Explorer, LOA 46m
-R/V Strait Hunter, LOA 60m
-R/V Strait Surveyor, LOA 8m
McGregor can mobilize vessels, equipment and personnel locally or internationally and has a wide range of experience operating in challenging environments around the world. Service applications include: -wellsite geohazard and obstruction surveys
-pipeline and cable route surveys
-ordinance location, mapping and identification
-Shallow geotechnics
-hydrographic/bathymetric surveys
-construction surveys
-Pre and post dredge surveys
-underwater search and identification
-ice scour mapping
-placer and aggregate exploration
-depth to bedrock and velocity determination
-environmental mapping
-data acquisition, processing, interpretation, charting and reporting
All work is carried out to stringent safety and quality guidelines.
Country of Ownership: Canada
Exporting: Yes
Primary Industry (NAICS): 541360 - Geophysical Surveying and Mapping Services
Primary Business Activity: Services
Services:
Surveying, Geological/geophysical/geotechnical services, Data collection/analysis/processing and supplies, Environmental baseline studies and environmental monitoring
Sector:
Key / Major Clients: Since incorporation in 1973 McGregor GeoScience has acted as both a prime contractor and sub-contractor on a wide variety of marine geophysical and environmental seabed surveys both domestically and internationally. Although too many to list here, McGregor has performed services in a number of capacities ranging from QA/QC for client representation to provision of fully mobilized ships for seismic, route surveying, environmental, hazard and engineering as well as bathymetric surveys. We offer clients the benefits of a wealth of experience based on present technologies and a team of scientists who can perform at the highest levels. The following describes recent McGregor survey programs to provide examples of our capability in three core areas of our business: Environmental Baseline and Monitoring Surveys
1. In 2009, 2010 and 2011, McGregor GeoScience completed a multi-million dollar multibeam, shallow hazards and environmental baseline survey for Cairn Energy, offshore Western Greenland above 70 degrees latitude in water depths ranging from 100m to 3000m. The surveys involved the collection of over 6000 linear kilometers of high resolution multibeam bathymetry, over 2000 kilometers of shallow 2D seismic, benthic grab and box cores, gravity cores and underwater video/photographic surveys for faunal, habitat, and sediment and water column contaminant analysis in advance of a marine drilling program scheduled for 2010. This project was a 2 ship operation involving 25 science personnel and 21 ships personnel. McGregor was responsible for delivery of all final reports and charts and compiled ancillary information from the area. Environmental baseline reports were generated from the survey areas providing a comprehensive assessment of the environmental conditions, including baseline macrofaunal community data, and sediment and water column pollution measures for incorporation into subsequent monitoring programs.
2. In 2008, McGregor GeoScience provided seabed sampling services for a geochemical seabed survey in Baffin Bay, offshore Greenland. The survey was conducted under the direction of Volcanic Basin Petroleum Research of Oslo, Norway. The sampling survey was carried out in water depths ranging from 400-1200 meter water depths using a combination of piston and gravity corers as well as Van veen and bucket dredge samplers. A subbottom profiler was used to give preliminary indication of the seabed type for sampling purposes as well as to provide other indicators such as depth to bedrock. In total over 100 samples were brought onboard for preliminary analysis. Some were also stored for post-mission test and analysis.
3. In 2010-11 McGregor conducted a habitat mapping project for the Department of Fisheries and Oceans over a 4500 Sq. km. area in the Laurentian Channel. Multibeam with backscatter and sub-bottom profiles were collected to establish the criteria for a seabed sampling program. The samples and the acoustic data will be used to develop benthic habitat maps for the survey block. The work was performed as part of the establishment of Canada€™s Oceans Strategy (COS) based on principles of sustainable development and integrated management. The Strategy provides for the development of tools necessary to carry out COS, tools such as the establishment of Marine Protected Areas (MPAs) and Marine Environmental Quality (MEQ) guidelines, criteria and standards designed to conserve and protect ecosystem health within the context of Integrated Management (IM) Planning. Integrated Management commits to plan and manage human activities in a comprehensive manner, considering measures to conserve, protect and sustain use of ocean resources and shared use of ocean areas. The Government of Canada has established five Large Ocean Management Areas (LOMAs) where this coordinated approach is being practiced. The waters surrounding the eastern and southern portions of Newfoundland are part of the ‘Placentia Bay-Grand Banks LOMA€™. This area has been identified for the establishment of a new Oceans Act MPA. The Laurentian Channel and Slope EBSA (Ecologically and Biologically Significant Area) are of great ecological importance to the PBGB LOMA ecosystem, ranking fifth of the 11 EBSAs identified by DFO Science. Sufficient baseline data significantly helps in determining conservation objectives, as well as knowledge of which monitoring methods will work and which would provide good indicators of MPA effectiveness. Knowledge of the physical oceanographic environment is important to understanding the ecosystem, to assist in boundary delineation, and to aid in the cause-effect assessment of changes over time in MPA species and habitats. Collection of multibeam data prior to groundtruthing/bottom sampling provides knowledge of where samples should be collected. Images of multibeam data provide valuable information on the diversity of the sea floor.
Route Survey a
Hunter Rick
Macintyre Leslie
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