GIS professional

DONNA L. STEPANIAN

Kingwood, TX 713-***-**** **********@*******.***

Summary

Geospatial specialist with 20+ years in oil & gas land systems, enterprise GIS operations, and spatial data automation. Served as the sole GIS authority at Sabinal Energy for eight years, architecting and operating the full Esri Enterprise environment, delivering 20+ internal mapping apps, and managing all land and operational spatial data across 14K+ agreements and 10K+ wells. Experienced deploying secure on-prem ArcGIS Enterprise, integrating Quorum GIS systems, developing ModelBuilder automation pipelines, and producing high-accuracy, decision-driving land and drilling maps. Skilled in building GIS tools that accelerate acreage evaluations, support regulatory compliance, identify development opportunities, and streamline operational workflows across land, geology, reservoir, HSE, and field teams.

Area Of Expertise

Enterprise GIS Management

• Esri Enterprise deployment Portal & Server admin SDE data modeling Data governance

Land GIS & Oilfield Operations

• Lease & unit mapping Well & SWD permitting support Acreage/offset analysis

Automation & ETL

• ModelBuilder pipelines Vendor/state ETL Multi-state data merging QA & validation

Web GIS & Applications

• 20+ apps Field mapping Dashboards Experience Builder & Web AppBuilder

Data Quality & Accuracy

• Survey grid corrections Multi-source data alignment Versioning & QC

Cross-Team Support

• Land Geology Reservoir Regulatory HSE Field Ops Executive leadership

Education and Training

Master of Science: Geographic Information Systems 2022

Sam Houston State University

Bachelor of Arts: Geography 2001

University of Texas At San Antonio Cum Laude

Technical Skills

GIS & Esri Platform: ArcGIS Pro ArcGIS Enterprise ArcGIS Server Portal for ArcGIS Experience Builder Web AppBuilder Dashboards SDE AGOL

Automation & Data: ModelBuilder FME SQL Python (basic) SAP Business Objects Power BI Survey123 Network Analyst

Land + Energy Systems: Quorum On Demand Land Quorum GIS QLS Tobin Land Suite Landworks GLAS

Data & Environments: Enterprise Geodatabases On-prem secure deployment Federated servers SAML & VPN environments

Data Sources: Enverus S&P Global/IHS Tobin RRC TXGLO NMOCD NMSLO Federal & state spatial datasets

Tools: Excel Access SharePoint Visio PowerPoint Adobe

Experience

GIS Coordinator (Sole GIS Lead) 03/2018 to 09/2025

Sabinal Energy LLC The Woodlands, TX

Served as the single GIS expert supporting the entire E&P organization across the Permian Basin. Designed and maintained Sabinal's Esri Enterprise environment, managed all spatial datasets, and created mission-critical web maps and automation pipelines supporting land administration, drilling planning, acquisitions, reserves, and HSE. Delivered always-current spatial intelligence to office and field users while enforcing high data accuracy and security behind company firewalls.

Key Achievements

Built, administered, and scaled on-prem ArcGIS Enterprise (Portal + Server + SDE + Data Store)

Supported ~105 employees, including 78 GIS users and 27 daily active users

Delivered 20+ interactive applications with permission-driven access (Land, Public, Field, VDR)

Managed 14K+ land agreement polygons, 10K+ wells, units, SWDs, and related datasets

Created ModelBuilder workflows for monthly vendor + agency ETL across 255 Texas counties

Produced VDR web map platform for divestiture & acquisition evaluations pre-sale

Integrated Quorum QLS Quorum On-Demand GIS and federated vendor data systems

Built field-ready maps for iOS, Android, and laptop workflows with Survey123 and Network Analyst routing prep

Maintained real-time SDE updates for land data with weekly and monthly refresh cycles

Impact Examples

Acreage & competitive mapping supported drilling decisions and partner negotiations

Endangered species overlay mapping enabled environmental compliance planning

Survey grid correction work improved legal boundary accuracy in multiple counties

SWD and permit map support accelerated regulatory submissions

Sr. GIS Analyst 06/2014 to 01/2018

The Superior Group / Repsol E&P USA The Woodlands, TX

Delivered GIS support across multiple U.S. basins (Alaska, Gulf of Mexico, Mid-Continent, Eagle Ford).

Led spatial automation efforts and supported enterprise land workflows.

Highlights

Integrated WhiteStar data + Quorum Land Suite into GIS operations

Built FME reservoir offset analysis model for development planning

Automated daily/weekly/monthly data refresh workflows

Delivered lease expiration, AOI, SWD, reservoir, and competitive acreage maps

Provided ArcGIS training to land and operations staff

Associate GIS Analyst - Haynesville 04/2013 to 04/2014

BHP Billiton Houston, TX

Standardized GIS workflows and land dataset structures for the Haynesville team.

Delivered lease, unit, and development maps supporting acquisitions and quarterly reserves reviews

Performed data integration and cleanup across legacy land and well datasets

Provided GIS support to land, geology, and operations stakeholders in a fast-paced shale environment

Sr. GIS Specialist 01/2007 to 03/2013

Devon Energy Houston, TX

Supported Gulf Coast, South TX, LA, MI, and OH portfolios

Managed contractors for shale play digitization (Tuscaloosa & Utica)

Maintained GLAS-based land spatial system and FME ETL workflows

Led legacy data cleanup + map standardization effort

Built SharePoint GIS portals and trained land staff

GIS Land Analyst 03/2005 to 03/2007

Stark Technical Group / Kerr-McGee Houston, TX

Built legal tract database for asset tracking and reporting

Analyzed land acquisition opportunities for energy exploration projects.

Conducted market research to identify potential land purchases or leases.

Prepared reports summarizing land analysis findings for stakeholders.

Project Manager, GIS Data 03/2001 to 03/2004

Tobin International San Antonio, TX

Supervised 15+ GIS technicians and QC workflows

Delivered 100K+ polygons for commercial land datasets

Collaborated with stakeholders to define project scope and objectives clearly

Updated Ownership parcel data setting the foundation of Land and legal descriptions knowledge within USA

GIS Intern 08/2000 to 12/2000

Bexar County Appraisal District San Antonio, TX

Produced parcel and subdivision maps for county records

Certifications

Esri ArcGIS Pro Esri ArcGIS Desktop Esri ArcView GIS TRG ICS 100/200

Trimble GPS Cornell Supervisory Studies Certification

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