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Echometer M - User Manual

Echometer M
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Echometer Company Model M Manual Phone: (940) 767-4334
5001 Ditto Lane Page 1 Fax: (940) 723-7507
Wichita Falls, Texas 76302, U.S.A. E-Mail: info@echometer.com
Echometer Model-M
Digital Dual Channel Fluid Level Instrument
Introduction
This operating manual contains information about the Echometer Model M Fluid Level Instrument including operating
procedures, maintenance, shooting problem wells, chart interpretation and technical papers relating to the optimization
of producing wells. Please read the first 25 pages and view the example of the strip chart output forms and charts on
wells before operating the instrument. Additional technical papers can be accessed from the Echometer Web page,
www.echometer.com, these articles offer additional information on the use of acoustic fluid level instruments to
optimize production. Please read these papers at your convenience.
Limits of Liability
Echometer Company reserves the right to revise its software and publications with no obligation of Echometer
Company to notify any person or any organization of such revision. In no event shall Echometer Company be
liable for any loss of profit or any commercial damage, including but not limited to special, consequential, or other
damages.
Information in this document is subject to change without notice and does not represent a commitment on the part
of Echometer Company. The software described in this document is furnished under a license agreement or
nondisclosure agreement. It may be used or copied only in accordance with the terms of the agreement. It is
against the law to copy the software or any medium except specifically allowed in the license or non-disclosure
agreement.
Copyright Notice
Copyright 1997,1998,1999,2000,2001,2002,2003 Echometer Company. All rights reserved. Federal copyright
law protects this manual. No part of this manual may be copied or distributed, transmitted, transcribed, stored in a
retrieval system or translated into any human or computer language, in any form or by any means, electronic,
mechanical, magnetic, manual, photographic, photocopy, scanning, or otherwise, or disclosed to third parties
without the express written permission of Echometer Company.
Trademarks
AWP, TWM, QRod, EchoPUMP, Compact Gas Gun are trademarks of Echometer Company

Table of Contents

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Echometer M Specifications

General IconGeneral
BrandEchometer
ModelM
CategoryMeasuring Instruments
LanguageEnglish

Summary

Introduction and Disclaimers

Manual Introduction

Overview of the Echometer Model M operating manual and its contents.

Limits of Liability and Copyright Notice

Legal disclaimers and copyright notice for the Echometer Company's publications.

Safety and Support Information

Safety Considerations

Essential safety rules and precautions for operating the Echometer Model M equipment.

Training and Additional Information

Details on attending Echometer training and how to obtain further product information.

Acoustic Measurement Principles

Signal Recording and Interpretation

Explains how acoustic signals are recorded and interpreted, including collar and liquid level responses.

Depth Calculation Methods

General Description of Model M

Instrument Panel Controls

Power, Chart Drive, and Gain Controls

Details controls for power, chart drive, collar/liquid level gain, and filter selection.

Connectors and Remote Fire Switch

Describes input/output connectors and the remote fire switch for gas gun operation.

Wellhead Attachments

Compact Gas Gun Overview and Operation Modes

Details the components and operation of the compact gas gun, including explosion and implosion modes.

Compact Gas Gun Components

Gas Gun Controls and Indicators

Describes the pressure gauges, bleed valves, cocking arm, trigger pawl, and microphone.

Remote Fire Gas Gun Operation

Remote Fire Gas Gun Components and Controls

Explains the remote fire gas gun, its gas valve, solenoid, and volume chamber pressure gauge.

Gas Gun Accessories and Pressure Ratings

Charging Gas Volume Chamber

Instructions for charging the gas gun volume chamber with gas, like CO2.

High Pressure Gas Guns

Details the use and maintenance of 5000-psi and 15000-psi high-pressure gas guns.

Model M Enhancements and Features

Date, Time, and Chart Header Settings

Covers setting year, date, time, and selecting chart header options for enhanced data.

ARM Delay Start Function

Explains the 'ARM' delay function for improved operation in hazardous environments.

Model M Panel and Serial Number Information

Remote Fire Gas Gun Operation Note

Operation of the Model M

General Recording Procedure

Step-by-step guide for performing acoustic fluid level tests using the Model M instrument.

Operating the Model M with Compact Gas Gun

Compression and Rarefaction Modes

Detailed steps for operating the compact gas gun using compression (explosion) and rarefaction (implosion) methods.

Operating the Model M with Remote Fire Gas Gun

Recommendations for Optimum Performance

Gain Setting Modes and Controls

Automatic Gain Setting (AGS)

Microprocessor sets amplifier gain automatically for optimal recording quality based on noise levels.

Manual Gain Setting (MGS)

Operator manually adjusts gain for collar and liquid level channels to achieve desired signal amplitude.

Collar and Liquid Level Gain Control Details

Explains automatic gain control for collars and manual/automatic options for liquid level.

Interpretation of Acoustic Signals

Problem Wells and Signal Quality

Battery and External Power Management

Rechargeable Battery Care and Safety

Testing and Troubleshooting Procedures

Amplifier, Filter, and Cable Integrity Tests

Verifies proper response and gain of amplifiers, filters, and microphone cable for accurate readings.

Microphone Performance Test

Ensures the microphone is functioning correctly by applying a test pressure pulse.

Maintenance Guidelines

Compact Gas Gun Maintenance and Precautions

Covers pressure ratings, disassembly, and assembly precautions for the compact gas gun.

Remote Fire Gas Gun Maintenance

Remote Fire Gas Gun Pressure and Handling

Details pressure ratings, disassembly, and assembly precautions for the remote fire gas gun.

Bottomhole Pressure Calculation

Appendix: Gas Gun Assembly Drawings

Compact Gas Gun Assembly Drawing

Detailed diagram of the compact gas gun components and their assembly.

Appendix: Remote Fire Gas Gun Assembly Drawing

Appendix: Instrument Panel and Test Figures

Echometer Model M Panel Diagram

Illustration of the Model M instrument panel layout and controls.

System Test and Data Forms

Examples of initial system test readouts and data information forms.

Figure 5: Upper;Lower Collars Accented

Figure 6: Prove Liquid Level

Figure 7: Well With Liner

Figure 8: Compression;Rarefaction Pulse Records

Acoustic Responses from Downhole Anomalies

Compression and Rarefaction Response Examples

Illustrates acoustic responses from downhole anomalies like liquid levels, liners, and perforations.

Amplifiers and Filters Test Procedure

Microphone Cable Test Procedure

Microphone Test Procedure and Settings

Rate of Fill-up Graph

Using Rate of Fill-up Information

Carbon Dioxide Cylinder Safety Precautions

Carbon Dioxide Information (CO2)

Nitrogen Information (N2)

Figure 9: CO2 Cylinder with Hose Diagram

Figure 10: CO2 Cylinder Filler Connector