Neil Shannon

Experience

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  U.S. Geological Survey (USGS)

  Jun 2005 - Aug 2005

  Hyrdrologic Technician

  • Assisted data collection for Great River Ecosystems Project though USGS and EPA• Collected water and sediment samples from the Missouri River and associated riparian habitats for analysis

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  Southern Illinois University, Carbondale

  Aug 2005 - Jun 2007

  Teaching Assistant

  • Teach introductory and historical geology lab courses.• Construct effective lectures, presentations and activities to engage students and aid in understanding of geologic concepts

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  Illinois State Geological Survey

  Jun 2007 - May 2008

  Assitant Geologist

  • Prepared thin sections for analysis, sample preparation• Geologic field mapping and interpretation for ISGS• Collected fossil specimens and conducted taxonomic analysis

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  Chesapeake Energy

  May 2008 - Feb 2010

  Associate Geologist

  • Supervised 24-hour simultaneous drilling operations for 3-5 rigs in the Barnett Shale, Texas • Successfully geosteered 60+ horizontal wells in the Barnett Shale using TerraVu 2 software • Composed geologic prognosis and assessments on proposed and drilled wells based on structure maps from well logs and 3D seismic• Worked closely with landmen and land brokers to resolve leasing issues and comply with Texas field rules• Mapped subsurface structure using interpreted formation tops from steering files• Created unique development plans for complex metropolitan areas to maximize leasehold usage and minimize cost• Optimized well success through identification of variables contributing to well production Show less

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  Petrohawk Energy

  Mar 2010 - Mar 2012

  Geologist

  • Managed 24-hour simultaneous drilling operations for 3-5 rigs in Eagle Ford Shale• Successfully geosteered 60+ horizontal wells in the Eagle Ford Shale using HNAV software• Created 160+ proposed units and 600+ proposed well locations in Blackhawk Field, TX• Worked closely with Land department to utilize acreage and resolve leasing issues• Established workflows for vetting and distributing surface hole locations in Dewitt County, Texas• Established and revised workflows for generating and distributing geoprognosis• Worked with drilling engineers and other geologists to establish geosteering protocols for all Eagle Ford Shale wells• Created course material and taught internal courses on Spotfire DXP and HNAV software • Mapped subsurface structure using interpreted formation tops from steering files Show less

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  BHP Billiton

  Apr 2012 - Jul 2013

  Field Development Supervisor

  • Provided management oversight for full field development of ~108k acres in Dewitt, Karnes and Bee County, TX.• Directed 24-hour simultaneous drilling operations for 15+ rigs in Eagle Ford Shale • Supervised 9 direct reports including 6 geologists, 1 geophysicist,2 geotechs as well as 6 contract geosteering company employees• Defined team roles and responsibilities to prioritize work effort to meet business needs• Supported individual development within team with training and on the job opportunities• Developed workflows to optimize acreage development, geoprognosis and geosteering to improve efficiency • Worked closely with Drilling department to improve drilling parameters and communication between groups• Provide scientific leadership in field wide research projects and cross discipline studies including regional maps, well down-spacing studies, steering vs. production comparisons,shallow production and casing point recommendations• Hiring Manager for Geoscience Division - conduct phone interviews, participate in panel interviews, advise management on staffing needs and design career development path for North American Shale Division Show less

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  EnerVest, Ltd.

  Jul 2013 - Feb 2025

  • Acquisitions and Divestitures Team - provide geologic review and analysis of potential acquisitions through log analysis, cross sections and geologic mapping in several basins• Review and evaluate any potential geologic risks associated with new acquisitions• Create basin wide geological assessments and type sections for expedited deal evaluation• Generate geologic maps for several formations in the Val Verde Basin for by-passed pay evaluation to build well recompletion inventory • Manage drilling operations and development for proposed locations in Fort Worth Basin• Create geologic assessments and review any potential drilling hazards based on seismic data Show less • Provide management oversight for 24-hour simultaneous drilling operations in the Eagle Ford Shale and Austin Chalk in Karnes County and Giddings Field acreage positions• Lead and support geosteering, development planning, workflow optimization, building drilling location inventory, high grading locations and evaluating potential asset acquisitions• Review and approve drilling plans based on predicted formation tops, seismic data and geologic target zones• Review well plans with Land and Regulatory departments to ensure that they meet all state guidelines, field rules and lease obligations• Lead and support a multidisciplinary team in the evaluation of potential drilling hazards or complex geological features to develop effective well plans to reduce cost• Collaborate with Petrophysicist to deliver SoPhiH, PhiE, PhiT, Isopach, and structure maps on a regional and local scale resulting in more accurate reservoir characterization and OOIP calculations for all Austin Chalk and Eagle Ford zones in Karnes County• Map and evaluate up-hole zones based on reservoir quality and existing production• Define team roles and responsibilities for 5 direct reports with focus on efficiency and meeting business goals• Present and communicate complex geological concepts and workflows to managers, investors and a wide variety of disciplines• Communicate potential drilling risks or hazards to management and partners prior to drilling • Provide detailed geological reviews in complex areas and provide processes enhancements for future risk mitigation Show less • Provided management oversight for development and operations for Barnett Shale acreage position across 5 county area• Evaluated and built well inventory for newly acquired Johnson County acreage position • Generated well plans and proposed drilling locations using structure maps, 3D seismic horizons and curvature maps• Collaborate with Geophysicist to evaluate subsurface karst features in 3D seismic curvature maps and cross sections for drilling hazard avoidance to reduce drilling time and cost• Successfully supervised horizontal drilling operations for 20+ wells• Delegated responsibilities and coordinate work effort for 2 direct reports• Developed regional acreage evaluation mapping project to highlight potential sweet spots using Drilling target, SoPhiH, MW, Sw, PhiH, Vclay and other variables• Presented and communicated complex geological concepts to a wide variety of disciplines Show less • Geosteered and supervised horizontal drilling operations for 1-2 rigs in shallow and deep formations in Texas and Oklahoma• Created regional correlation sections for top picking and mapping of several productive tight sandstone horizons• Created regional structure, isopach and net pay maps for all potential productive horizons across the Anadarko Basin• Evaluated and propose potential target horizons for future drilling in the Anadarko Basin• Tested sensitivities to a variety of variables and net pay calculations to find best fit for geographic areas and geologic provenance • Work with Reservoir team to define type curve areas based on geologic province and depositional system• Generated development plans and potential targets for future horizontal drilling on Enervest acreage position on Texas and Oklahoma• Developed depositional model for the productive horizons using well log data, 3D and 2D seismic, regional cross sections and academic research• Built and evaluated vertical well recompletion inventory, supervise recompletion program• Collaborated on several multi-disciplinary projects including mid-year reserves, extended reach lateral evaluations, asset recapitalization presentations, partner meetings, and divestitures • Presented and communicate geologic models and concepts to team, partners and managers • Geosteered and advised horizontal drilling operations in various exploratory basins for New Ventures Team Show less • Generated and optimized development plans for Barnett Shale acreage position in 4 county area of north Texas • Successfully geosteered and provided leadership on horizontal drilling operations on for 20+ wells • Mapped subsurface structure using well penetrations, depth converted seismic and interpreted formation tops from steering files• Delivered accurate and up to date geoprognosis and surface hole location recommendations in a timely manner• Evaluated and map any potential areas of up-hole pay on current lease using log interpretation, petrophysical curve calculations, offset well drilling reports as well as historical production and completion records• Proposed recompletion or re-entry targets in up-hole intervals for existing wells• Populated 5-year drill schedule for two rigs with well locations and proposed well-paths Show less

  • VP of Geoscience

    Jun 2024 - Feb 2025

  • Geology Manager

    Jun 2021 - Jun 2024

  • Geology Operations Manager - South Texas

    Jan 2018 - Jun 2021

  • Geology Manager - Fort Worth Basin

    Mar 2017 - Aug 2018

  • Senior Geologist - Anadarko Basin

    Oct 2014 - May 2017

  • Senior Geologist - Fort Worth Basin

    Jul 2013 - Oct 2014