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Imperial Oil

Taglu Development Plan Application Under the Canada Oil and Gas Operations Act

Taglu is the largest discovered onshore natural gas field in the Mackenzie Delta. It is one of three natural gas fields proposed for development as part of the Mackenzie Gas Project, to deliver sweet natural gas and natural gas liquids (NGLs) to market.

The Taglu field is located near the northern margin of the Mackenzie Delta, about 120 km north-northwest of Inuvik and about 70 km west of Tuktoyaktuk. The field is estimated to contain 81 Gm3 (2.8 Tcf) of recoverable raw natural gas and NGLs.

In October 2004, Imperial Oil Resources Limited, as the registered interest holder of Significant Discovery Licence (SDL) 063 for the Taglu field, applied to the National Energy Board (NEB) for approval to develop the natural gas and NGLs at Taglu. The application was submitted under the Canada Oil and Gas Operations Act (COGOA).

The application describes the general approach to developing the natural gas resource from the Taglu reservoir. Included in the development plan is a summary of the environmental and socio-economic impact assessments and public consultation programs completed for the proposed Taglu development.

Supporting documents submitted as part of the Taglu development plan application include:

Taglu Development Plan Application Under the Canada Oil and Gas Operations Act (signed)
(137 KB PDF)

Table of Contents

Table of Contents

MGP_Taglu_DPA_TOC
(388 KB PDF)

1. Introduction

MGP_Taglu_DPA_Section_1
(1.25 MB PDF)

2. Geology, Geophysics and Petrophysics (Pages 2-1 to 2-6)

MGP_Taglu_DPA_Section_2_Part_A
(1.72 MB PDF)

2. Geology, Geophysics and Petrophysics (Pages 2-7 to 2-14)

MGP_Taglu_DPA_Section_2_Part_B
(1.30 MB PDF)

2. Geology, Geophysics and Petrophysics (Pages 2-15 to 2-30)

MGP_Taglu_DPA_Section_2_Part_C
(725 KB PDF)

3. Reservoir Engineering

MGP_Taglu_DPA_Section_3
(1.53 MB PDF)

4. Design Criteria

MGP_Taglu_DPA_Section_4
(1.50 MB PDF)

5. Drilling and Completions

MGP_Taglu_DPA_Section_5
(656 KB PDF)

6. Production Facilities

MGP_Taglu_DPA_Section_6
(263 KB PDF)

7. Pipeline Transport Systems

MGP_Taglu_DPA_Section_7
(94 KB PDF)

8. Construction and Installation

MGP_Taglu_DPA_Section_8
(119 KB PDF)

9. Operations and Maintenance

MGP_Taglu_DPA_Section_9
(121 KB PDF)

10. Safety

MGP_Taglu_DPA_Section_10
(135 KB PDF)

11. Public Consultation

MGP_Taglu_DPA_Section_11
(152 KB PDF)

12. Environmental and Socio-Economic Impacts

MGP_Taglu_DPA_Section_12
(260 KB PDF)

13. Capital and Operating Costs

MGP_Taglu_DPA_Section_13
(128 KB PDF)

Glossary

MGP_Taglu_DPA_Glossary
(167 KB PDF)

 

List of Figures

Figure 1-1

Taglu Field Location

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Figure 1-2

Mackenzie Gas Project Location

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Figure 1-3

Mackenzie Gas Project Components

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Figure 1-4

Mackenzie Gas Project Development Phases

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Figure 1-5

Proposed Taglu Field Development Schedule

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Figure 2-1

Beaufort–Mackenzie Regional Structural Map

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Figure 2-2

Beaufort–Mackenzie Stratigraphy

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Figure 2-3

Representative 3-D Traverse across Taglu Field

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Figure 2-4

Taglu Depositional Environment – Deltaic

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Figure 2-5

Taglu Depositional Environment – Braided Fluvial

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Figure 2-6

Taglu Stratigraphy and Lithofacies

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Figure 2-7

Taglu Petrographic Characteristics

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Figure 2-8

Taglu Schematic Cross-Section of Trap Model

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Figure 2-9

Seismic Base Map of 3-D Outline

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Figure 2-10

Seismic Well Ties for Correlation and Modelling

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Figure 2-11

Time Structure Map for the A40 Horizon

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Figure 2-12

Horizon Amplitude Slice Showing A40 Amplitude Anomaly

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Figure 2-13

A40 Depth Map – Flexed to Amplitude Anomaly Outlines

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Figure 2-14

Calibration of Bulk Density to Core Porosity

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Figure 2-15

Taglu Overburden Porosity versus Ambient Porosity

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Figure 2-16

Log Permeability versus Overburden-Corrected Porosity for Facies Group 3

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Figure 2-17

Taglu Overburden Permeability versus Ambient Permeability

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Figure 2-18

Taglu Height above Free Water versus Water Saturation

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Figure 3-1

Taglu Pressure–Depth Data

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Figure 3-2

Gas Relative Permeability versus Water Saturation

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Figure 3-3

Water Relative Permeability versus Water Saturation

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Figure 3-4

Simulation Grid – Plan View

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Figure 3-5

Two-Phase Model Prediction Rates versus Cumulative Production

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Figure 3-6

Three-Phase Model Production Rates versus Cumulative Production

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Figure 3-7

Taglu Field Production Rates

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Figure 3-8

Reservoir Pressure versus Time

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Figure 3-9

Taglu Preliminary Well Locations on the Top of the Upper C Pressure System

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Figure 3-10

Taglu Preliminary Well Locations and Gas Target Areas

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Figure 4-1

Taglu Well Pad and Gas Conditioning Facility

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Figure 4-2

Taglu Field Production Rates

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Figure 4-3

Gas Conditioning Facility Seasonal Capacity Variation

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Figure 4-4

Inuvik Air Temperatures

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Figure 4-5

Inuvik and Tuktoyaktuk Wind Roses

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Figure 5-1

Taglu Exploration and Delineation Wells

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Figure 5-2

Proposed Taglu Development Site

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Figure 5-3

Proposed Well Pad Layout

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Figure 5-4

Spider Plan of Directionally Drilled Wells

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Figure 5-5

Typical Taglu Production Wellbore

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Figure 5-6

Typical Taglu Wellhead

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Figure 5-7

Taglu Completion Equipment Schematic

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Figure 5-8

Typical Production Tree

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Figure 6-1

Taglu Site Plan

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Figure 6-2

Taglu Gas Conditioning Facility Process Flow

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Figure 7-1

Gathering Pipelines

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Figure 10-1

Incident Reporting and Emergency Response Process

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