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Getting the Most out of a Hydrogeological Investigation


It's common knowledge that new production facilities require a background hydrogeological investigation (HGI) to determine subsurface soil conditions. But, that's not all.

From permitting to compliance plans, new facilities can also be subject to strict regulatory requirements. Did you know that some tasks required by the background HGI can also help satisfy these other requirements? Read on for tips to get the most for your money.


Address Multiple Requirements with One Visit

Main components of a background HGI include water quality sampling, determination of groundwater flow direction, and geological description of subsurface soil. But, there can be other requirements associated with starting up an oil and/or natural gas production facility. How do you address them without facing multiple mobilization fees or coordinating with numerous subcontractors?

Consider a consultant with both environmental scientists and professional surveyors.


Real World Survey Data

For example, determination of groundwater flow direction is accomplished by measuring the elevation of monitoring wells. With professional surveyors on site, they can elevate the monitoring wells, while also surveying the facility equipment locations and containment. This real-world data can be used to generate a site map for facility permitting applications, SPCC Plans, and SESC Plans. Data can also be collected for a supplemental plat, EIA and H2S Contingency Plan, which will be required for the facility construction permit.


Additional Startup and Compliance Services

Prior to startup, an analysis of Potential to Emit (PTE) for the proposed equipment should be performed, and a determination made as to whether a Permit to Install (PTI) will be required. Assistance related to air quality complience regulations is also advised.

Once the facility is operating, it will be subject to Rule 324.1002(8), which requires semi-annual groundwater monitoring and reporting of a monitoring well downgradient of the tank battery, unless there is tertiary containment.


Gosling Czubak provides surveying, environmental compliance, and drilling services, among others, in-house to deliver a seamless package of services to Michigan's oil and gas industry. Offering multiple services, plus more than 60 years of experience, helps save our clients time and money related to the various requirements of operating an oil and natural gas facility. Contact us to learn more.


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