Chandler Engineering AMETEK 7200 User manual

INSTRUCTION MANUAL

MODEL 7200

CEMENT HYDRATION ANALYZER

Part Number: 7200-1050

Revision M –Apr 2021

2001 North Indianwood Avenue

Broken Arrow, OK 74012 U.S.A.

Telephone: 1-918-250-7200

Fax: 1-918-459-0165

E-mail: chandler.sales@ametek.com

Website: http://www.chandlereng.com

While every precaution has been taken in the preparation of this manual, the publisher assumes no responsibility for errors or omissions. Neither is any

liability assumed for damages resulting from the use of the information contained herein.

This publication contains the following trademarks and/or registered trademarks: AMETEK, CHANDLER ENGINEERING. These trademarks or registered

trademarks and stylized logos are all owned by AMETEK, Inc. All other company, product and service names and logos are trademarks or service marks of

their respective owners.

TABLE OF CONTENTS T-1 
 
Table of Contents 
General Information ............................................................................P-1 
Introduction .........................................................................................................................P-1 
Purpose and Use.............................................................................................................P-1 
Description ......................................................................................................................P-1 
Features and Benefits .........................................................................................................P-1 
Specifications......................................................................................................................P-2 
Operating Conditions.......................................................................................................P-2 
Operating Pressures........................................................................................................P-2 
Cell Volumes (approximate:) ...........................................................................................P-2 
Cement Temperature & Cabinet Temperature: ............................................................... P-2 
Oven Temperature: .........................................................................................................P-2 
Environmental Conditions................................................................................................P-3 
Weights and Dimensions.................................................................................................P-3 
Safety Requirements........................................................................................................... P-4 
Symbols Used on Equipment..............................................................................................P-5 
Where to Find Help .............................................................................................................P-5 
Section 1 - Installation ........................................................................ 1-1 
Unpacking the Instrument ................................................................................................... 1-1 
Lifting Instructions ............................................................................................................... 1-1 
Utilities Required................................................................................................................. 1-1 
Tools/Equipment Required.................................................................................................. 1-2 
Setting up the Computer Control System............................................................................ 1-3 
Installing the CHA Vessel and Stand .................................................................................. 1-3 
Installing the Pressure Transducers.................................................................................... 1-4 
Connecting Utilities ............................................................................................................. 1-4 
Section 2 - Operating Instructions....................................................... 2-1 
Front-Panel Valves, Indicators, and Controls...................................................................... 2-1 
Gas Supply valve............................................................................................................. 2-1 
Gas Supply Pressure gauge............................................................................................ 2-1 
H2O Confining Pressure regulator ................................................................................... 2-1 
H2O Confining Pressure gauge ....................................................................................... 2-1 
H2o Confining Valve indicator light (LED, Light-Emitting Diode)...................................... 2-1 
Gas Injection Pressure regulator ..................................................................................... 2-3 
Gas Injection Pressure gauge ......................................................................................... 2-3 
Gas Injection Valve indicator light (LED, Light-Emitting Diode) ....................................... 2-3 
Gas Injection H2O Purge valve ........................................................................................ 2-3 
Air Supply Pressure Gauge ............................................................................................. 2-3 
Air Supply Pressure Regulator ........................................................................................ 2-3 
H2O Supply Pressure gauge............................................................................................ 2-3 
Fill Cell Top / Closed / Fill Accumulator valve.................................................................. 2-4 
Pore Pressure gauge....................................................................................................... 2-4 
H2O Purge valve.............................................................................................................. 2-4 
Software Operation ............................................................................................................. 2-5 
Main Display.................................................................................................................... 2-5 
Menu Bar......................................................................................................................... 2-5 

T-2TABLE OF CONTENTS 
 
File menu ..................................................................................................................... 2-5 
Operation menu ........................................................................................................... 2-6 
Setup Menu ................................................................................................................. 2-7 
Calibration menu.......................................................................................................... 2-8 
Help menu ................................................................................................................... 2-8 
Main screen controls and indicators ................................................................................ 2-8 
Oven Temperature....................................................................................................... 2-8 
Cabinet Temperature ................................................................................................... 2-8 
Cement Temperature................................................................................................... 2-8 
Pore Pressure.............................................................................................................. 2-8 
H2O Confining Pressure............................................................................................... 2-9 
Gas Injection Pressure................................................................................................. 2-9 
H2O Flow Rate ............................................................................................................. 2-9 
N2Flow Rate................................................................................................................ 2-9 
H2O Confining Valve .................................................................................................... 2-9 
Gas Injection Valve ...................................................................................................... 2-9 
Mode button............................................................................................................... 2-10 
Minimum Pore Pressure ............................................................................................ 2-11 
Pressure Hysteresis................................................................................................... 2-11 
Temperature Hysteresis............................................................................................. 2-11 
Data Plotting .............................................................................................................. 2-12 
Basic Tests Performed with the Model 7200 CHA ............................................................ 2-13 
Closed Cell, No Gas Injection........................................................................................ 2-15 
Cell Open (Constant H2O Confining Pressure) Until Gas Injection................................ 2-16 
Interpretation of Results ................................................................................................ 2-16 
Pre-start up Checks .......................................................................................................... 2-17 
Powering On ..................................................................................................................... 2-18 
Filling the System with Test Fluids, and Initiating a Test................................................... 2-18 
System Shut-down and Post-test Cleanup........................................................................ 2-22 
Section 3 - Maintenance ..................................................................... 3-1 
Removing / Installing the CHA Vessel Seals....................................................................... 3-1 
Corrosion ............................................................................................................................ 3-1 
Cleaning.............................................................................................................................. 3-1 
Suggested Maintenance Schedule ..................................................................................... 3-2 
Section 4 - Calibration ........................................................................ 4-1 
Pressure Calibration............................................................................................................ 4-1 
Flow Rate Calibration.......................................................................................................... 4-3 
Temperature Calibration (Cement Temp. and Cabinet Temp.) ........................................... 4-4 
Temperature Calibration (Oven Temp. and Oven Hi-Limit Temp.)...................................... 4-5 
Suggested Recalibration Schedule ..................................................................................... 4-6 
Section 5 - Troubleshooting Guide...................................................... 5-1 
Section 6 - Replacement Parts ........................................................... 6-1 
Section 7 - Drawings and Schematics ................................................ 7-1 
 

PREFACE P-1

General Information

Introduction

This instruction manual provides operation and maintenance instructions for a Model 7200

Cement Hydration Analyzer (CHA).

Purpose and Use

The Model 7200 Cement Hydration Analyzer is an apparatus used to determine susceptibility

of different oil-well cement formulations to gas migration and to estimate the degree of

hydration of the cement.

Description

The CHA is a closed system in which N2gas is injected into the bottom of a cement slurry

during as it transitions from a slurry to a solid. Using this well model, the cement slurry

performance designed to prevent gas migration is evaluated.

If N2gas is transmitted through the column of cement, gas migration is indicated.

Gas migration will result if the pressure above the sample (pore pressure) increases and

possibly becomes equal to the injection pressure.

If no gas migration occurs, the pressure above the sample (pore pressure) decreases due to

cement shrinkage and loss of fluid communication through the sample during hydration.

Gas mass flow meters are used to measure the flow rate of the gas entering the cement slurry

and the flow rate of the gas used to pressurize cement above a diaphragm. These volumes

provide an estimate of shrinkage and/or expansion, and the degree of hydration.

Likewise, cement hydration is indicated using the internal sample cement temperature. This

temperature rise indicates the exothermic reaction of hydration.

Features and Benefits

•Simultaneously measures several aspects of gas migration and cement hydration.

•Uses inexpensive disposable cylinder (body) for cement sample.

•Can test multiple scenarios of gas migration (severe and less severe cases).

•Little likelihood of plugging tubing with cement.

•Graphical user interface software for control of experiment, data acquisition and logging

of results.

•Unattended operation of test, after initial setup.

•On-screen plots, with printing capabilities, for recording and presentation of results.

•Designed for operator safety.

•Backed by Chandler Engineering service and support.

•CE certified.

P-2PREFACE

Specifications

Operating Conditions

Input Voltage: 208 –230 VAC

Input Current: 11A

Frequency: 50 / 60 Hz, 1 PHASE

Max. Working Temperature: 325°F (163°C)

Min. Working Temperature: 34°F (1°C)

Operating Pressures

Cement Sample: Max. 1000 psig (6.895 MPa, 68.95 bar, 68.05 atm.)

(Gas Injection Pressure, H2O Confining Pressure, and

Pore Pressure)

Gas (N2) Inlet: Max. 3000 psig (20.685 MPa, 206.85 bar, 204.14 atm.)

Min. = whatever max. pressure is required by your test

H2O Inlet: Max. 160 psig (1.103 MPa, 11.03 bar, 10.89 atm.)

Min. 20 psig (0.138 MPa, 138 kPa, 1.38 bar, 1.36 atm.)

Air Supply Inlet: Max. 160 psig (1.103 MPa, 11.03 bar, 10.89 atm.)

Min. 20 psig (0.138 MPa, 138 kPa, 1.38 bar, 1.36 atm.)

Measurement Accuracy: 0.2 % of Full Scale (± 2 psi)

Measurement Resolution: 0.25 psi (0.1 psi resolution displayed & logged)

Control Accuracy: ±10 –20 psi (70 –140 kPa) approximately

Cell Volumes (approximate:)

CHA (cement sample): 417 cc

H2O Accumulator: 100 cc

Cement Temperature & Cabinet Temperature:

Measurement Accuracy: ± 0.5°C

Measurement Resolution: 0.1°C

Oven Temperature:

Measurement Accuracy: ± 1°C

Measurement Resolution: 0.1°C

Temperature Uniformity

(between different locations

within oven): ± 3°C at 150°C

Temperature Control Stability: ± 0.5°C

PREFACE P-3

Gas Injection Flow Rate and

H2O Confining Flow Rate

(as measured by N2gas flow

Through thermal gas

Mass Flow Meter): 0 –5 sccm (std. cc/min.) of N2(nitrogen), referenced to

std. conditions of 70oF (21oC), 760 mm Hg (1.00 atm.,

14.696 psia, 101.3 kPa, 1.013 bar)

Flow Rate Measurement

Accuracy: ± 1.2 % of Full Scale (+/- 0.06 sccm)

at manufacturer-calibrated inlet conditions of Inlet

Pressure = 1000 psig (6.895 MPa, 68.95 bar, 68.05

atm.), Temperature = 70oF (21oC)

Flow Rate Measurement

Resolution: 0.01 sccm

Environmental Conditions

Environment: Indoor Use

Altitude: 6561.6 ft (2000m)

Temperature: 41°F - 104°F (5°C - 40°C)

Relative Humidity: 0% to 95% non-condensing

Weights and Dimensions

Dimensions: 37” (94cm) H x 44” (112cm) W x 29” (74cm) D

Net Weight: 1000 lbs. (454 kg)

P-4PREFACE

Safety Requirements

READ BEFORE ATTEMPTING OPERATION OF INSTRUMENT!

Any instrument that is capable of extremely high temperatures and pressures, such as this

CHA system, should always be operated with CAUTION!The instrument is designed for

operator safety.

To ensure safety:

•Provide adequate training of all personnel that will operate the instrument.

•Locate the instrument in a low traffic, well ventilated area.

•Always position the instrument in such a manner that allows easy access to the power

cord.

•Post signs where the instrument is being operated, to warn non-operating personnel.

•Read and understand instructions before attempting operation.

•Observe warning and caution notes throughout this manual.

•Observe and follow the Warning Labels on the instrument.

•Never exceed the instrument maximum pressure and temperature ratings.

•Always disconnect main power to the instrument before attempting any repair, or when

opening the instrument cabinet.

•Keep access doors closed when operating instrument.

•A suitably rated fire extinguisher should be located within 15 m (50 feet) of the

instrument.

•Before attempting to operate the instrument, the operator must read and understand this

manual.

PREFACE P-5

Symbols Used on Equipment

Symbol

Meaning

Protective Conductor

Terminal

Hazardous Voltage Inside

Disconnect power before

opening

Hot Surface

Do Not Touch

Allow to cool before

servicing

Documentation must be

consulted in all cases

where this caution symbol

is marked.

Where to Find Help

Training classes are available in your laboratory and at Chandler Engineering. For more

information, contact our sales department at Chandler Engineering. In the event of problems,

your local sales representative will be able to help, or you can contact the personnel at

Chandler Engineering using the following:

•Telephone: 1-918-250-7200

•FAX: 1-918-459-0165

•E-mail: [email protected]

•Website: www.chandlereng.com

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