# C7 Produced Water Recycling Pipeline

presented by Keith Davidson, PG, PE

May 30, 2014



# HIGH SIERRA WATER SERVICES 

# n oble

energy

# Pipeline Plan

# • Regulatory Jurisdictions



# • Permitting

• Pipeline Integrity by Design



# • Benefits to the Community 

# Presentation Outline

# • Colorado Oil and Gas Conservation Commission



# • Weld County Department of Public Health and

Environment, Land Use Planning, Public Works

• Colorado Department of Public Health and Environment



# (CDPHE)

• Federal Jurisdictions 

# Regulatory Jurisdictions

# Hazardous Materials and Waste Management Division

Regulations Governing Solid Waste Facilities

– Industrial Recycling Operations

– Beneficial Use of Treated Waste Materials

– Recycled Commercial Products

• Rubber tires

• Reclaimed Solvent

• Used Lube Oil



# • Construction Waste & Scrap

• Produced Water 

# CDPHE: Lead Agency

# • HMWM Division Review and Comment

– Engineering Design Plans and Specifications

– Risk Management Plan

– Pipeline Operations Plan



# • Construction Storm Water Discharge Permit 

# CDPHE Oversight

# Weld County



# • Land Use Zoning Review: pipeline hazards

• Flood Hazard Criteria: lowlands construction

• ROW Use Permits: road crossings



# CDOT Road Crossing

• Cultural & Paleontological

• Crossing Design & As

- built Submittals

Federal

• US Army Corps of Engineers: wetlands

• US Fish and Wildlife: special status species 

# Other Requirements

# • 40 Acre Central Processing Facility



# • Oil

, Natural Gas , and Water Gathered from Eco

- node

Wells Sites

• Multi

- phase Separation



# • Oil and Gas Transported to Market by Pipeline

• 100% Water Recycling 

# Noble’s Wells Ranch CPF

# • Production/Completion Water Recycling 15,000bpd



# • Class II Water Disposal capacity 20,000 bpd

• Water Truck Receiving 8 bays

• Oil Recovery and Sales

• New Recycling Pipeline from Noble CPF 

# High Sierra C7 Water Recycling

Facility

# • Pipeline Integrity Through D esign

– Automation control

– Leak detection

– Pressure Relief

– Auto

- drain components

– Pigging capability

– Air relief at high points

– Isolation valves at CPF



# – Limited number of fittings/connections

– Pipeline markers & tracer wire



# • CDPHE Review and Comment 

# Quality Control During Design

# Pipeline Profile

4685 4690 4695 4700 4705 4710 4715 4720 4725 4730 4735 4740 4745 Ground Elevation (ft AMSL)



## Distance from Noble CPF (feet) High Point 4740

Crow Creek 4695 Noble

CPF

4710 High

Sierra

C7

4714



##  South North  Near Crow

Creek 4690

# • Safety program



# • Materials Certification

• Thermal Fusion Logging & Verification

• Geotechnical Testing & Engineering



# • Pipe Placement & Compaction Monitoring

• Air Pressure Testing

• Hydrostatic Pressure Testing

• CDPHE submittals 

# Integrity During Construction

# Fused Pipeline Layout

# Thermal Fusion I&C and Logging

# Coupons for Tensile Testing

# Tensile Test Apparatus

# Pipeline Placement

# Compaction

# Internal Fusion Bead Milling Tool

# Internal Fusion Bead Removal

# Long Radius Elbows

# Pig Launcher & Receiver

# Water Pipeline Pigging

# Leak Detection at High Point Air

Relief

# • Operations Plan



# • I&C Testing and Validation of Interlocks, Alarms, Leak

Detection

• CDPHE submittal



# • CDPHE Letter of Authorization 

# Operational Integrity

# Insert table 

# Testing of Interlocks and Alarms

Discrete Sensor Description Pump Pump Motor

Valve Motor

Valve Motor

Valve Motor

Valve Motor

Valve Motor

Valve Motor

Valve Motor

Valve Motor

Valve Alarm

Code

Noble

CPF C7

Facility Noble

CPF Noble

CPF Noble

CPF Noble

CPF Noble

CPF C7

Facility C7

Facility C7

Facility C7

Facility Shutdown

northbo

und southbo

und northbo

und northbo

und drain

NB drain SB southbo

und northbo

und southbo

und drain

NB drain

SB

Low Low Level Tank sending tanks stop close close close 2

High High Level Tank receiving tanks stop close close close 2

Low Low Level Tank sending tanks stop close close 2

High High Level Tank receiving tanks stop close close 2

High

- High Level Vault shutdown stop stop close close run run close close close open open 1

High Level Vault warning

Low Level Vault warning

Emergency Stop Button shutdown stop stop close close close close close 2

Emergency Stop Button shutdown stop stop close close close close close 2

Low pressure alarm

northbound leak detection stop close run close open 1

High pressure alarm

northbound pressure limit stop close close 2

Low pressure alarm

southbound leak detection stop close run close close open 1

High pressure alarm

southbound pressure limit stop close close close 2

High temperature alarm

northbound northbound pipeline stop close close close close close 2

Low temperature alarm

northbound northbound pipeline stop close close close close close 2

High temperature alarm

southbound southbound pipeline stop close close close close close 2

Low temperature alarm

southbound southbound pipeline stop close close close close close 2

Water balance alarm

northbound mass balance, leak

detection stop close close close close close 2

Water balance alarm

southbound mass balance, leak

detection stop close close close close close 2

# Pipeline Leak Detection Testing

# Pipeline Leak Signature

-150 -100 -50 0 50 100 150

5/8/2014 13:55 5/8/2014 14:24 5/8/2014 14:52 5/8/2014 15:21 5/8/2014 15:50 5/8/2014 16:19 5/8/2014 16:48



### line



### packing line

packing



# Leak



# Event pump stop

pump stop



# Leak

Event pump start

meter matching pump start

flow lag

# Pipeline Operations Forecast

0 10,000 20,000 30,000 40,000 50,000 

## 60,000

0 2,000 4,000 

## 6,000 8,000 10,000 12,000 14,000 16,000 18,000 

## 20,000

2014 2015 2016 2017 2018 2019

# – Noise $

– Road Damage $$

– CPF Congestion $$$



# – Public Safety $$$$ 

# Trucking Impacts

# Air Quality Benefits

Estimated Savings by Elimination of Tanker Truck Trips

Year One

- Way Tanker



### Truck Trips Barrels of Water Per



### Day Round Trip Miles



### per year CO 2 

### e Emissions



### (pounds/year) Dust Emissions



### (pounds/year) Equivalent

Number of Cars

Removed

2014 5,615 2,000 44,923 170,044 2,723 22

2015 16,846 6,000 134,769 510,131 8,169 65

2016 28,077 10,000 224,615 850,218 13,615 109

2017 39,308 14,000 314,462 1,190,305 19,060 153

2018 50,538 18,000 404,308 1,530,392 24,506 196

2019 50,538 18,000 404,308 1,530,392 24,506 196

1) CO2e or CO2 equivalent is based on NO2, CH4, and CO2 exhaust emissions using factors from Intergovernmental Panel on

Climate Change (IPCC) 1995, Second Assessment Report

2) PM10 Dust emissions estimated using data for Colorado Highway 36, EPA AP

- 42, January 2011



### 3) Equivalent number of cars is derived from comparison to the CO 2 

### e emissions of a modern gasoline passenger car driving 10,000

miles per year with a fuel economy of 25 MPG.

# Tetra Tech, Inc.

Pipeline Integrity Through Design

– Limited pipeline connections & therefore, potential for leakage

– Pigging capability for drainage, testing, maintenance

– Automation & leak detection

– Quality Control during design

, construction

, commissioning



# High Sierra Water Services, LLC

World Class Produced Water Treatment Services



# Noble Energy, Inc

. Global Energy Company dedicated to Water Recycling and Sustainable



# Business Practices 

# Integrated Project Team

# Thanks to the following project stakeholders:

• Greg Blais , PE, High Sierra Energy

• Joshua Patterson, High Sierra Water Services



# • Doug White, High Sierra Water Services

• Adam Prior, PE, Noble Energy

• Operations Staff of the Wells Ranch CPF 

# Acknowledgements