Echometer Model-H Manual de usuario

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 1 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

Echometer Model-H

The Acoustic Liquid Level Instrument for Hazardous Environments

Introduction

This operating manual contains information about the Echometer Model H Fluid Level Instrument including

installation instructions, operating procedures, requirements for intrinsically safe application, maintenance,

shooting problem wells, record interpretation and technical references relating to the optimization of producing

wells. Please read the manual and view the e ample screens 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 e cept specifically allowed in the license or non-disclosure

agreement.

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

e press written permission of Echometer Company.

Trademarks

AWP, TWM, QRod, Compact Gas Gun are trademarks of Echometer Company

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 2 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

Table of Contents Echometer Model H Manual

Introduction ...................................................................................................................................................................... 1

Limits of Liability ......................................................................................................................................................... 1

Copyright Notice .......................................................................................................................................................... 1

Safety Considerations ....................................................................................................................................................... 4

Operation in Hazardous nvironments ......................................................................................................................... 4

Instructions X57H ..................................................................................................................................................... 5

chometer Schools ....................................................................................................................................................... 6

Instrument Description – Model H ................................................................................................................................... 7

Instrument Panel ........................................................................................................................................................... 8

General Operation Procedures ........................................................................................................................................ 11

Operation of the Model H with the Compact Gas Gun ................................................................................................... 11

Compression ( xplosion) Mode ................................................................................................................................. 11

Rarefaction (Implosion) Mode ................................................................................................................................... 12

Acquisition of Acoustic Records .................................................................................................................................... 13

Quick Reference…………………………………………………………………………………………………….13

Title Screen .............................................................................................................................................................. 14

Conditions of Operation ............................................................................................................................................. 15

Main Menu ................................................................................................................................................................. 16

Set-Up Menu .............................................................................................................................................................. 17

Well and Group Selection .................................................................................................................................... 19

Acoustic Record Acquisition ................................................................................................................................ 19

Prepare Well and Gas Gun for xplosion Shot ........................................................................................................ 20

Prepare Well and Gas Gun for Implosion Shot ........................................................................................................ 21

Background Noise Display ....................................................................................................................................... 21

Waiting for Shot to be fired ..................................................................................................................................... 22

Acquiring Data Screen ............................................................................................................................................. 23

Automatic Fluid Level Analysis........................................................................................................................... 24

Manual Adjustments ................................................................................................................................................ 24

Data Set Disposition ............................................................................................................................................. 25

Repeat Acquisition ................................................................................................................................................ 25

Set-Up Menu .................................................................................................................................................................. 27

Date and Time: ......................................................................................................................................................... 27

Sleep Minutes before Power Off .............................................................................................................................. 27

Operating Mode ....................................................................................................................................................... 28

Named Well .................................................................................................................................................... 28

Quick Shot: ..................................................................................................................................................... 28

Default Joint Length (ft) 31.7 ................................................................................................................................... 28

Default Acoustic Velocity (ft/sec) ............................................................................................................................ 28

nabled Shot ............................................................................................................................................................ 28

Initial Analysis Mode ............................................................................................................................................... 28

Screen Brightness: .................................................................................................................................................... 28

Units ......................................................................................................................................................................... 29

Recalling, Analyzing and Uploading Acoustic Records ................................................................................................. 30

Recalling and Analyzing Acoustic Records ................................................................................................................ 30

Analysis Options: ..................................................................................................................................................... 322

Automatic Collar and Liquid Level Analysis ......................................................................................................... 333

Toggle Filters: .............................................................................................................................................. 355

Adjust Collars: .............................................................................................................................................. 355

Adjust Liquid Level: ........................................................................................................................................ 39

Set Liquid Level Time Using Marker ...................................................................................................................... 39

Anomaly Marker Method ....................................................................................................................................... 400

General Description of Procedure ................................................................................................................ 400

dit Anomaly Menu...................................................................................................................................... 411

xample of Data Processing by the Anomaly Markers Method ............................................................................. 433

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 3 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

Adjust Anomaly Marker Depths ................................................................................................................... 477

Anomaly Method – Adjust Liquid Level ...................................................................................................... 511

Acoustic Velocity Variation in Wellbore ..................................................................................................... 533

Acoustic Velocity Input ........................................................................................................................................... 53

Managing Well Data and Information .......................................................................................................................... 566

ntering New Group of Wells .................................................................................................................................. 566

Group Name Manual ntry..................................................................................................................................... 57

Well Name Manual ntry ........................................................................................................................................... 59

Well Information .................................................................................................................................................... 61

Wellhead Attachments .................................................................................................................................................... 62

Compact Gas Gun ....................................................................................................................................................... 62

Description of Compact Gas Gun Control Functions ................................................................................................. 62

Volume Chamber Pressure Gauge ............................................................................................................................ 63

Casing ( or Tubing) Pressure Gauge Quick Connector ............................................................................................ 63

Cocking Arm ............................................................................................................................................................ 63

Casing (or Tubing) Pressure Bleed Valve ................................................................................................................ 63

Gun Filler-Bleed Valve ............................................................................................................................................ 63

Trigger Pawl ............................................................................................................................................................. 63

Microphone .............................................................................................................................................................. 63

High Pressure Gas Guns ............................................................................................................................................. 64

Principles of Acoustic Measurements ............................................................................................................................. 65

Recording and Interpretation of Signals ..................................................................................................................... 65

Depth Calculation ....................................................................................................................................................... 66

Recommendations for Optimum Performance ............................................................................................................ 67

Acoustic Record Interpretation .................................................................................................................................. 68

Calculation of Bottomhole Pressures .......................................................................................................................... 68

Fluid Level Acquisition in Problem Wells ................................................................................................................ 69

Battery Power Information ......................................................................................................................................... 70

Important Notes and Instructions for Rechargeable Batteries .................................................................................... 70

Steps to Reset Model H Battery to Begin Taking a Charge………………………………………………………….71

Steps to Reset anc Charge a "Critically Low" Battery……………………………………………………………….72

Instument Testing/Troubleshooting ............................................................................................................................ 71

Maintenance ............................................................................................................................................................... 74

Compact Gas Gun Pressure Rating .......................................................................................................................... 74

Compact Gas Gun Disassembly and Assembly Special Precautions ........................................................................ 75

APPENDIX ............................................................................................................................................ 76

Microphone/Cable Test .............................................................................................................................................. 77

Rate of Fill-up Graph .................................................................................................................................................. 78

Use of Rate of Fill-up Information ............................................................................................................................. 79

CARBON DIOXID CYLIND R ............................................................................................................................. 80

CO2 Cylinder Schematic With Part Numbers ......................................................................................................... 81

CARBON DIOXID GAS INFORMATION (CO

) ............................................................................................... 82

CO2 - PHYSICAL CONSTANTS ........................................................................................................................... 82

NITROG N GAS INFORMATION (N

) .................................................................................................................. 83

ACOUSTIC LIQUID L V L D PTH M ASUR M NT CONSID RATIONS ................................................. 83

HANDLING PR CAUTIONS ................................................................................................................................ 83

N2 - PHYSICAL CONSTANTS .............................................................................................................................. 83

SUB-MANUAL

Model H Laptop Manager Soft are Quick Reference Guide

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 4 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

Safety Considerations

Read this manual before operating the equipment.

Please observe all safety rules in operating this equipment. The pressure ratings of the Echometer gas

gun and all fittings, hoses, etc. should always e ceed actual well pressure. Because the wellhead pressure

normally increases during a build-up test, caution should be e ercised that the well pressure does not e ceed

equipment pressure ratings.

Do not use worn or corroded parts. A used or corroded fitting may not withstand original pressure rating.

All safety precautions cannot be given herein. Please refer to all applicable safety manuals, bulletins,

etc. relating to pressure, metal characteristics, temperature effects, corrosion, wear, electrical properties, gas

properties, etc. before operating this equipment.

The tests should not be undertaken if the operator, the test equipment and the well are not in conditions

to operate safely. This equipment should not be used if the operator is tired, ill or under the influence of alcohol,

drugs or medication.

The user must read, understand and accept the conditions for using the Echometer Model H in a

hazardous environment. Please refer to the section in this manual that describes the requirements to use the

instrument in a safe manner in or near a hazardous area where e plosive mi tures of gases may be present.

Operation in Hazardous Environments

The Echometer Model H is approved for operation in hazardous environments that are classified as Class I

Division 1 Groups C & D T4 and

,when installed and used in accordance with the instructions X57H, found on the following

page.

Note: To maintain Intrinsically Safe certification, the unit must be charged in a safe area and can only be

charged using Echometer P/N MS1610.

As part of the instrument set-up procedure and to be able to use the instrument, the user is e pected to read,

understand and ACCEPT the following conditions of operation:

• The user agrees to follow the instructions related to using the Echometer Model H in a hazardous

environment with regard to connecting to the well, connecting to the acoustic hardware and operating the

instrument to acquire, recall and analyze data.

• The user agrees that connecting the Echometer Model H to the battery charger will occur only in a NON

hazardous area.

• The user agrees that downloading or uploading data or software via the USB port will be done only in a

NON hazardous area and only by connecting to a Battery Powered laptop or notebook computer and

NEVER connecting the instrument to the USB port of a computer connected to an AC power source.

• The user understands that the Echometer Model H is not waterproof when the lid is opened and must be

kept dry while the case is opened.

• The user agrees that he is aware and understands that if any ONE of these requirements is not fulfilled

the Echometer Model H instrument will no longer meet the specifications of intrinsic safety.

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 5 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

Instructions X57h

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 6 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

Echometer Schools

Echometer Company offers schools on the use and applications of this equipment. You are invited to attend free

of charge. A list of the schools, which are taught throughout the United States and Canada, will be sent upon

request or can be viewed at http://www.echometer.com

Additional Information

Please contact Echometer Company to obtain additional information or to clarify any questions that you may

have in regard to the use of this instrument. The street and mailing address, phone number, fa number and e-

mail address are given on the first page.

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 7 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

Instrument Description – Model H

The Echometer Model H is a stand alone, battery powered, microprocessor

controlled digital acoustic signal processor. When installed and used in accordance

with instructions X57H it is approved for operation in Class I Division 1 Groups C &

D and E II 1 G E ia IIB T4.

The Echometer Model H permits better interpretation of reflections from down hole

anomalies through application of digital filtering and processing that improve the

ability of the operator to distinguish down hole obstructions from enlargements. The

response from the liquid level (or a reduction in annulus area) is opposite to the

response from an enlargement such as a hole in the casing or perforations.

Selecting the proper digital filter will result in more accurate determination of the

number of tubing collar reflections from the surface to the liquid level.

A microprocessor is used with an analog to digital converter, memory chip,

amplifiers, clock, timing circuit and other electronic components to improve the

performance and utility of the instrument. When an acoustic pulse is generated in

the well, the signals reflected from the collars at the top of the well are large but

rapidly attenuate.

The microprocessor is used in conjunction with a real time clock. The timing

capabilities of the microprocessor, clock and timing circuit are used to determine the

round trip travel time with a resolution of +/- 0.001 seconds. In the automatic mode

of analysis, the travel time and the distance to the liquid level obtained by the

software by counting the collar echoes are used to compute the average acoustic

velocity of the gas in the annulus. The acoustic velocity, the casing pressure and average temperature can be

input to the utility program AWP 2000 (download at no cost from www.echometer.com) to compute the gas

gravity and the pressure distribution in the well, including the pump or tubing intake pressure and the pressure at

the perforations.

The entire instrument is contained in a waterproof, dustproof plastic housing having dimensions of 11 10 5

inches and weighs 11 pounds (5 kg). The following section describes the instrument panel and the function of

the various controls.

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 8 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

Instrument Panel

The instrument panel is shown in the following Figure.

The panel incorporates both soft keys and a navigational 5-button star input keypad. A row of “soft key” buttons

below the LCD are used to e ecute the actions described in the labels at the bottom of the screen.

• Power Button:

Momentarily pressing the power button energizes the instrument fully and initiates the booting of the software.

The microprocessor performs a system test and displays the battery charge status. The instrument can be

turned off manually by pressing the power button.

• A 5-button Star Group:

The up, down, right, left, and enter are used to navigate through the menus and also to enter or edit program

parameters and well information.

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 9 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

• Soft Keys

The function of each soft key change depending on the screen that is currently active. Their function is described

by the labels displayed at the bottom of the LCD display.

• Input Connector

This BNC INPUT connector is the input to the amplifiers. When acquiring data, this INPUT connector must be

connected to the microphone connector on the acoustic wellhead using a good coa ial cable with clean

connectors.

• USB Connector (left side)

This input/output connector is used to transfer well information records, acquired shot data records and analysis

results between the Model H and an e ternal computer running the Model H Laptop Manager Software.

• Battery Charger Connector (right side)

Connection to a battery charger should be made only when the instrument is outside the hazardous area.

Attaching the 110 VAC or the 220 VAC Echometer battery charger having an input of 110/220 VAC and an

output of 14.8 volts DC and 2Amps.

Note: To maintain Intrinsically Safe certification, the unit must be charged in a safe area and can only be

charged using Echometer P/N MS1610.

Echometer Company Model – H Manual Phone: (940) 767-4334

5001 Ditto Lane Page 10 Fa : (940) 723-7507

Wichita Falls, Te as 76302, U.S.A. E-Mail: info@echometer.com

• Battery Reset Button (Pin-Hole)

In the event of a necessary hard power down or battery reset, the pin-hole reset button can be accessed with a

paper clip. Depressing the pin-hole button will cut the power from the battery to the instrument causing a hard

reset of the battery. Pressing the power button will restore power to the unit and initiates booting of the software.

Caution should be used when utilizing the hard reset. It is recommended that the pin-hole reset button is

only pressed when the instrument is completely powered down.

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