D'APPOLONIA ENGINEERING SUPPORT SERVICES
FOR GAS WELL DRILLING




Quality engineering support is essential to the successful drilling and installation of producing gas wells in the Marcellus Shale. Expertise that we can provide for the natural gas well drilling and production industry includes:

Geotechnical ExplorationPreliminary site reconnaissance and exploration to establish suitable conditions for construction of well-site infrastructure.
Well SitingDetermination of the optimum location of the well drilling infrastructure as related to the property available for drilling.
PermittingPreparation and submittal of applicable permits to state agencies for gas well drilling and related activities.
Site Grading DesignDetermination of cut and fill requirements for establishing the drilling pad and access roads as related to the site topography and establishment of fill compaction methods and standards.
Foundation and Roadway DesignDesign of foundations for structures (e.g., compressor stations) and access roadways/stream crossings.
Impoundment DesignDesign of impoundments, liners and hydraulic structures related to handling of fluids associated with drilling and hydraulic fracturing. In Pennsylvania, fresh or frac-water impoundment pits or dams at a well site must meet the requirements of PA Code, Chapter 78.56 to 78.63 and Chapter 105.
Undermining/Subsidence PotentialIdentification of abandoned mines at drilling sites and evaluation of the potential effects of mine subsidence on well-site infrastructure.
Environmental ComplianceMonitoring of compliance with applicable environmental regulations.
Pipeline LayoutPlanning and layout of pipelines for connection of wells to the local gas pipeline infrastructure.
Construction MonitoringMonitoring of excavation, grading, and construction of drainage, impoundment structures and foundations related to site development.


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