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Reflex EZ-TRAC User Manual

Reflex EZ-TRAC
96 pages
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Increase your drilling productivity with reliability & ease of use. Superior data and decision making made EZ.
MANUAL
Reex EZ-TRAC
TM
with Reex EZ-COM
December 2007

Table of Contents

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Reflex EZ-TRAC Specifications

General IconGeneral
BrandReflex
ModelEZ-TRAC
CategoryMeasuring Instruments
LanguageEnglish

Summary

Disclaimer and Limitation of Liability

1 INTRODUCTION

1.1 Contact REFLEX™

Provides contact details for the REFLEX™ headquarters in Perth, Western Australia.

1.2 Manual conventions

Explains the use of notes of caution and hints within the manual.

2 GENERAL

2.1 REFLEX EZ-TRAC™ at a glance

An overview of the REFLEX EZ-TRAC™ instrument and its capabilities for borehole surveying.

2.1.1 Survey types

Details Single Shot, Multi Shot, and Orientation surveys performed by the instrument.

2.1.2 Magnetic and gravimetric

Explains how magnetometers and accelerometers are used for measurements.

2.1.3 Survey accuracy

Discusses factors affecting survey accuracy and sources of error.

2.1.4 Equipment

2.1.5 Post processing of data

2.2 Warranty

2.2.1 Shipping instructions for instrument return

Provides guidelines for returning the instrument for service or repair.

3 ABOUT SURVEYING

3.1 All boreholes deviate

Explains that boreholes inherently deviate from their planned path.

3.1.1 Calculation of underground positions

Details how spatial coordinates are calculated using mathematical algorithms.

3.2 Direction of downhole object

Discusses determining the direction of downhole objects and tools.

3.3 Single shot survey

3.4 Multi shot survey

3.5 Orientation survey

4 WORKING PRINCIPLES

4.1 Introduction

Overview of the survey results provided by REFLEX™™ instruments.

4.2 Magnetism

Explains the principles of magnetism and how it affects measurements.

4.2.1 Magnetometers

Details the function of fluxgate magnetometers in measuring Earth's magnetic field.

4.3 Gravity

4.3.1 Accelerometers

Explains MEMS accelerometers for measuring dip and gravity tool face.

4.4 Temperature

5 ABOUT SURVEY ACCURACY

5.1 Introduction

Discusses the design for accurate data and typical measurement errors.

5.2 Magnetic interference

Explains how magnetic interference can lead to incorrect measurements.

5.2.1 Man-made interference from within the hole

Details precautions to avoid magnetic interference from in-hole ferrous metals.

5.2.2 Man-made interference from outside the hole

5.2.3 Natural magnetism

5.3 Identify interference

5.3.1 Earth's Magnetic Field

5.3.1.1 Total intensity

Presents a map of Earth's total magnetic field intensity for reference.

5.3.1.2 Inclination

Presents a map of Earth's magnetic inclination (dip) for reference.

5.3.1.3 Annual rate of change

Shows the annual rate of change for magnetic declination.

5.3.2 Background magnetic field

5.3.3 Magnetic threshold

5.3.4 Quality control

5.3.5 Filter out bad data

5.4 Survey station depth

5.5 Centralization

5.6 Temperature

5.7 Comparisons and Averaging

6 ABOUT SURVEY DATA

6.1 Introduction

Lists the basic survey data measured and displayed by REFLEX™™ instruments.

6.2 Dip and azimuth

Defines dip (inclination) and azimuth (direction) of the borehole.

6.3 Magnetic components

Explains the calculation of total magnetic field strength and magnetic dip.

6.3.1 Total magnetic field strength

6.3.2 Magnetic dip

6.3.3 Magnetic integrity

6.3.4 Magnetic declination

6.4 Rotation

6.5 Temperature

7 ABOUT THE REFLEX EZ-TRAC™ EQUIPMENT

7.1 Instrument

Details the components of the REFLEX EZ-TRAC™ instrument probe.

7.2 Control unit

Describes the REFLEX™ EZ-COM handheld control unit.

7.3 Utilities

7.4 Running gear

7.5 Orientation equipment

Describes equipment specifically for orientation surveys.

7.6 Part Numbers

Lists part numbers for ordering REFLEX EZ-TRAC™ and EZ-COM components.

7.6.1 Instrument

7.6.2 Control unit

7.6.3 Utilities

7.6.4 Running gear equipment

7.6.5 Orientation equipment

7.7 Equipment overview

8 ABOUT THE REFLEX EZ-COM control unit

8.1 Control unit

Describes the REFLEX EZ-COM handheld unit and its IR communication.

8.1.1 Keypad

Details the function of the power, backlight, and navigation keys on the keypad.

8.1.2 Enter characters

Explains how to enter survey names and other data using the character list.

8.1.3 IR communication

Describes the infrared communication between the control unit and the instrument.

8.1.4 USB connector

8.1.5 Software version

8.2 Main Menu

Survey

Accesses Single Shot, Multi Shot, and Orientation surveying functions.

Results

Provides access to all stored Single Shot, Multi Shot, and Orientation surveys.

Settings

Accesses settings for units, magnetic reference, date/time, and license key.

8.2.1 Multi Shot enabler

8.2.1.1 Serial number

Describes how to find the serial number of the REFLEX EZ-COM unit.

8.2.1.2 Enable Multi Shot

Guides on entering a license key to enable the Multi Shot feature.

8.2.1.3 Disable Multi Shot

Explains how to disable the Multi Shot functionality.

8.2.2 Survey Menu

8.2.3 Results Menu

8.2.3.1 Stored surveys

Details how Multi Shot surveys are stored and named (e.g., Test and Test_R).

8.2.3.2 Survey results

Explains how survey results are displayed and indicators for magnetic interference.

8.2.4 Settings Menu

8.2.4.1 Units

Allows setting linear, angular, and temperature units for survey results.

Set linear unit

Set angular unit

Set Temperature unit

8.2.4.2 Magnetic Reference

View current magnetic reference

Displays the currently set magnetic reference values.

Register magnetic reference

Guides on how to register a new magnetic reference in a non-magnetic location.

Download magnetic reference

Explains how to download the measured magnetic reference values.

No reference

8.2.4.3 Date and Time

View current date and time

Displays the current date and time settings of the unit.

Set Date

Procedure to set or change the current date.

Set Time

Procedure to set or change the current time.

8.3 Messages and Warnings

8.3.1 General

Describes general messages and warnings that can appear during surveys.

Name exists

Message indicating a survey name already exists and requires a unique name.

Tool in use

Message appearing when the instrument is in use and a connection is attempted.

Cancel

Message displayed when a survey is cancelled, warning of data loss.

No Connection

Serial Number Incorrect

Memory Full

Delete Oldest

Prompts to delete the oldest survey data to free up memory space.

Maximum Number

Indicates the maximum survey limit has been reached, suggesting deletion.

Delete Exceeding

Confirms deletion of oldest surveys when the maximum number is exceeded.

Free Memory

Tool Battery Low

Control unit Battery Low

8.3.2 Single Shot

Depth is Less

Warning if survey depth is less than the previous station in an existing survey.

Depth exists

Message when a survey depth already exists, prompting re-survey.

8.3.3 Multi Shot

Reverse survey completed

Indicates completion of a reverse survey measurement.

End of hole

Offset

8.3.4 Orientation

Different tool

Warning about using a stored zeroing value with a different tool serial number.

Lose results and zeroing

Warning about losing survey results and zeroing when cancelling an orientation survey.

Lose results

Close to vertical

Magnetic warning

9 SINGLE SHOT AND MULTI SHOT surveys

9.1 Preparation

Deciding on surveying method and necessary equipment preparations.

9.2 Register magnetic reference

Instructions for registering a magnetic reference to identify interference.

9.3 Set up Single Shot

Guides on setting up a new Single Shot survey or adding to an existing one.

9.3.1 New Single Shot

Procedure for entering survey name and depth for a new Single Shot survey.

9.3.2 Add to existing survey

9.4 Set up Multi Shot

9.5 Initialise instrument

9.6 Assemble survey system

9.7 Execute survey

9.7.1 Single Shot execution

Steps for positioning and measuring a survey station for Single Shot.

9.7.2 Multi Shot execution

Steps for positioning and measuring survey stations for Multi Shot.

9.8 Download data

9.9 Survey results

10 Orientation survey

Provides instructions on how to perform an Orientation survey.

10.1 Introduction

Establishes orientation or direction of downhole objects like wedges or tools.

10.2 Measuring modes

Explains orientation surveys using Gravity Tool Face or Magnetic Tool Face.

10.2.1 Gravity Tool Face

10.2.2 Magnetic Tool Face

10.3 Set magnetic reference

10.4 Orientation equipment

10.4.1 Mule shoe sleeve

Describes the mule shoe sleeve and how to align it with the wedge.

10.5 Zeroing

10.5.1 Register new zeroing

Procedure for setting the reference position to zero for orientation surveys.

10.5.1.1 Position for zeroing – Gravity Tool Face

Details positioning for zeroing using the gravity method for specific inclinations.

10.5.1.2 Position for zeroing – Magnetic Tool Face

10.5.1.3 Register zero position

10.5.2 Use stored zeroing

10.6 Downhole survey

10.6.1 Initialise instrument

Initializes the instrument for downhole survey, including serial number check.

10.6.2 Assemble survey system – Gravity Tool Face

Assembling the survey system for Gravity Tool Face mode.

10.6.3 Assemble survey system – Magnetic Tool Face

Assembling the system with extension rods for Magnetic Tool Face mode.

Align survey system

10.6.4 Load tell tale

10.6.5 Run into hole

10.6.6 Execute downhole survey

10.6.7 Verify lead tell tale

10.7 Download data

10.8 Survey results

10.8.1 Enter desired Toolface

Entering a desired toolface value to adjust orientation if needed.

10.8.2 End survey and Save results

Ending the survey and saving results, including orientation and inclination.

10.8.2.1 Stored Zeroing

10.8.3 Cancel

11 Surveying methods

11.1 Running gear

Details the running gear used for REFLEX EZ-TRAC™ surveys.

11.1.1 Important assembling tips

Tips for assembling running gear, including sealing rings and rod tightness.

11.1.2 Maintenance

Checks and cleaning required for running gear before and after surveys.

11.1.3 Extension rods

Specifies the use of aluminium extension rods to avoid magnetic interference.

11.1.4 Landing collars

Pin spear landing collar assembly

Assembly of pin spear landing collar with extension rods.

Pin spear coupling and landing collar

Assembly of pin spear coupling and landing collar.

11.2 Surveying methods

11.2.1 Through drill string - wireline

Method using wireline through drill string, common for Single Shot surveys.

11.2.2 Through drill string - tripping out

11.2.2.1 Gravity

Using gravity to lower the survey system, suitable for inclined boreholes.

11.2.2.2 Wireline

Using wireline with gravity for extra safety when lowering the system.

11.2.2.3 Pump into hole

Method for boreholes not inclined enough or directed upwards, using core tube.

11.2.2.4 Tripping out

11.2.3 In front of drill string

11.2.4 Pumping

11.2.5 Open hole surveying

11.2.5.1 Downwards direction

Surveying downwards in open holes using gravity, swivel, and winch.

11.2.5.2 Upwards direction

Surveying upwards in open holes using push rods and an adapter.

11.2.6 Reverse Circulation

11.2.6.1 Azimuth and inclination

Achieving azimuth and inclination readings in an RC environment with specific rod setups.

11.2.6.2 Inclination

Achieving inclination readings in an RC environment, unaffected by magnetism.

12 Transfer Survey Files

12.1 Survey files

Describes the content and naming conventions of survey data files.

12.1.1 Single Shot

Details the two data files (.MLH, .MLR) generated by Single Shot surveys.

12.1.2 Multi Shot

Details the data files generated by Multi Shot and Reversed Multi Shot surveys.

12.1.3 Orientation

Details the two data files (.ORH, .ORR) generated by Orientation surveys.

12.2 Transfer files to PC

12.3 Free memory space

12.4 REFLEX™™ SProcess

12.4.1 Limitations

Notes on limitations of REFLEX SProcess regarding Orientation and older Single Shot files.

13 Maintenance

13.1 Introduction

Highlights the importance of treating the instrument as a precision device.

13.2 Regular maintenance

Emphasizes routine care of the instrument before and after each survey.

13.2.1 Before every survey

Checks for sealing rings and threads, and lubrication advice.

13.2.2 After every survey

Steps for checking and cleaning equipment after completing a survey.

13.3 Battery replacement

14 Battery replacement

Describes how to replace the battery of the REFLEX EZ-TRAC™ and EZ-COM units.

14.1 REFLEX EZ-TRAC™

Procedure for replacing the battery in the REFLEX EZ-TRAC™ instrument.

Disconnect old battery

Steps to unscrew the battery housing and disconnect the old battery.

Connect new battery

Steps to connect a new battery and refit the housing.

14.2 REFLEX™™ EZ-COM

Replace battery

Steps to power off, unscrew, and replace the battery in the REFLEX EZ-COM unit.

13.4 Service

13.4.1 Calibration

Recommends annual calibration by REFLEX™™ personnel for optimal performance.

13.4.2 Service return

Instructions for contacting REFLEX™™ for service or malfunction.

15 Terminology

X-axis

Defines the x-axis in a geographical coordinate system (north-south).

Y-axis

Defines the y-axis in a geographical coordinate system (east-west).

Elevation UP/DOWN

Defines the z-axis for elevation, with positive upwards convention.

Azimuth

The borehole direction measured from north against east (0-360°).

Dip

Planned path

Actual path

Easting

Northing

Elevation

Collar coordinates

Local coordinates

Local A

Local B

Local C

REFLEX™ EZ-COM License Key

License Key

Explains that the license key is assigned to the serial number of each unit.

Multi Shot enabling instructions

Instructions for entering the license key to enable Multi Shot functionality.

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