Development of a GIS Tool to Optimize Fluids Management in the Shale Gas

Industry

Ashwin Dhanasekar, Dr. Ken CarlsonColorado State University

Introduction

Hydraulic Fracturing

Produced Water

Current Scenario

Colorado Energy Water Consortium

GIS Tool

Chemistry Tool

GIS Based Treatment Application

Hydraulic Fracturing

Constituents used for drilling

Produced Water

• Recoil of the Drilling Process

• Frac Flowback

• Produced Water

• Current Scenario

Area of Concentration

Current Scenario

Municipal Water

Groundwater

Surface Water

Flowback Water

Drilling & Fracturing

Produced Water

Deep Well Injection

Proposed Scenario

Municipal Water

Groundwater

Surface Water

Flowback Water

Drilling & Fracturing

Produced Water

Deep Well Injection

Water Recycling

Fracturing Fluid

How?

Areas of Focus:

Water Quantity

Water Quality

Location Analytics

GIS integrated Water Management Tool

Data Collection

• State Databases• Public Websites Public Data

• Industry – Noble Energy• Other IndustriesPrivate Data

• Government Agencies• Colorado Oil & Gas Association

Common Data

Water Quantity

Base Water Quantity Analysis

Flow Predictions

Production Predictions

Spatial Integration

Water Quality

Water Quality Analysis

Spatial Analysis

Water Quality Prediction

Treatment Specifics Calibration

Spatial Analyst – Water Characterization

Treatment Optimization

OLI Analyzer

Equilibrium Chemistry Trend Analysis

Treatment Characterization

Optimized Treatment Simulations

Quality Analysis & Treatment Model

Water Quality

Data UnavailabilitySampling

Quality Test

Certified LabsInitial Water Quality

Chemistry Model

Based on Initial WQPrelim Treatment PredictionMonitoring characteristics through stages

OLI Systems Stream Analyzer 9.0

Charge Balance – Equilibrium Calculations

Mixing Water Samples – Case Study

Results – Report Generation

OLI Analyzer & ESP Simulator Tool

Pre-Analysis

Water Quality Data

Analysis & Model Building

OLI Analyzer

Automated Process Builder & Simulator

OLI ESP Program

Data Collection

Data AnalysisData CorrectionEquilibrium Setup

Model BuildingSingle Process Identified for OptimizationModel built for particular processTested and AnalyzedProcess SimulationOptimization of Model for ProcessProcess Build Layout Design

Location Analytics

• Truck Traffic

• Piping

Network

• Centralized

Treatment

Plant Location

• Tank Volume

Monitoring

Project Objective

Toolset Design

Model Building

ArcGIS Server

Application Development

Primary GIS Model – Quantity based

Data Collection & Analysis

Prediction Scenarios Developing & Processing

Publishing on ArcGIS Explorer Online for Public Viewing

Water Quality Data

Water Quantity

Data

Processing into

Chemistry Calculator

Charge Balance & Equilibrium Calculation

s

Development of Link – Chemistry Calculator & GIS Map

Final GIS Based Application with

Custom Tools for Water Quality Analysis

Output Excel File

Co-ordinates

Database File

Water Data

Production Data

ArcGIS Geodataba

se

Map Service

Development

Publish Service

Development of Web

Application

Using Services as

Layers

Developing Web Map

Reconcile pH

Reconcile Alkalinity

Model CompositionSoftening

to a Set pH

Measured pH

Measured Alkalinity

Predicted Solids, TDS, pH, Alkalinity, Conductivity,

Density

Compare to

Measured

Solids Removed

Recover Water - RO

Neutralize to a Set pH

Osmotic Pressure

Reagents Required

Reagents Required

Chemistry Output

Water Recovery& Residue

Chemistry Tool - CalcAq

GIS Tool - ArcGIS

Integration of Chemistry Model & GIS Tool

Conclusion

• Improved Error Handling• Spatial Variability • Optimized Treatment• Reduced Truck Traffic

Acknowledgments

• Dr. Ken Carlson & Colorado State University• Noble Energy Inc.• Colorado Oil & Gas Conservation Commission• ESRI Southwest User Group• ESRI Regional Office, Broomfield, CO

Contact: ashwin.dhanasekar@colostate.edu