1. Salt Water Injection Well Facility Site Characterization and Remediation

    Our client, planning to sell their property, received a compliance notice from the Ohio Department of Natural Resources (ODNR) requiring remedial actions. Historically, the site was contaminated by chloride, petroleum hydrocarbons, and technologically enhanced naturally occurring radioactive material (TENORM). Impacted soils, building materials, and equipment required demolition and excavation to restore the site for regulatory…

  2. San Juan Basin Phase I Environmental Site Assessment

    Oil and gas exploration and production client, Encana Oil and Gas (USA) Inc., planned to acquire a large asset in the Rocky Mountain region including oil and gas wells, tank batteries, associated gathering lines, and a 200-acre storage yard throughout an area spanning three counties, the Navajo Nation, and Bureau of Land Management property. As…

  3. Seismic Survey

    As a precursor to identify natural gas resources, state and federal agencies required a natural gas client to obtain environmental and cultural resource clearances prior to conducting seismic surveys. The client was unfamiliar with the complexities, coordination effort, and details involved with the clearance process, and hired RETTEW for guidance and project execution. RETTEW completed…

  4. Oil and Natural Gas Feasibility Study

    The Jicarilla Apache Indian Reservation covers 850,000 acres in northcentral New Mexico. The Jicarilla Apache Nation (Nation), one of the single largest mineral owners in the San Juan Basin, wanted to better understand the types of environmental and hydrocarbon resources present in the northeast sector of their reservation. This environmentally sensitive area includes approximately 200,000…

  5. Freshwater Impoundment Design

    Facing an aggressive schedule as well as volume constraints and permitting restrictions, this natural gas client needed a smart design for this freshwater impoundment. Having previously designed the adjacent well pad site, RETTEW coordinated with the client’s water professionals at that site for planning and scheduling efforts at the impoundment. This integrated approach allowed us…

  6. Aquatic Invasive Species Management Plan

    A client, under an agreement with the West Virginia Department of Natural Resources (WVDNR), was required to properly manage sensitive water systems and prevent contamination by aquatic invasive species (AIS) such as the zebra mussel and pathogens like the largemouth bass virus. The maintenance costs associated with keeping water intakes clean are significant — not…

  7. Archaeological Survey

    A natural gas client required assistance with permitting, field routing, designing, and constructing a crucial surface water withdrawal location for its hydrofracking operations in the Marcellus Shale Formation. RETTEW provided comprehensive archaeological services for the project’s U.S. Army Corps of Engineers (USACE) joint permit regulatory requirements. During the planning stages, RETTEW and the client’s project…

  8. Data Management and Operation Optimization

    An exploration and production client was developing the infrastructure necessary to facilitate natural gas extraction from unconventional shale formations, including design and construction of thousands of miles of waterlines and hundreds of water impoundments and well pads. The client needed detailed, expert information management to keep its dynamic operations on schedule, confirm pre-operation requirements were…

  9. Flowback Spill Geologic Investigation

    Flowback (produced water) was impacting an active natural gas well pad. To properly address the release and determine the need for corrective actions, our client needed to first characterize the extent of the spill and evaluate remedial alternatives. RETTEW’s geologists, experienced in site characterization and remediation, provided firsthand knowledge of the locale and relevant regulations….

  10. Landslide Mitigation

    In the mountainous regions of West Virginia, the development of natural gas infrastructure requires construction of well pads in steep slopes with significant cuts and fills. Landslides are common at newly-built well pads without strict construction oversight and customized design. RETTEW investigated two existing landslides and provided recommendations and design for well pad repair. We…

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Project Update

From the Oldest to the Newest

The oldest covered bridge in Lancaster County, PA is now revitalized and open to traffic. Pequea No. 7,…

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Industry News

Decorate and Celebrate Safely

Stay cozy, but stay safe!  During this special time of the year, make sure you’re being as safe…

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