Density and Concentration Measurement
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Transcript of Density and Concentration Measurement
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1
Density and Concentration Measurement
DT Series Magd Nasr Ph.Dr.Eng.
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Basic Concepts
Introduction to the DT series Transmitter
Oil & Gas Applications
DT Series
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Interface Level = 0 to 100%
100 %
0 %
Oil
Water
Interface Level Measurement MethodInterface Level Measurement Method
The interface level isproportional to the output
signal.
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Introduction
DT Series
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PRESSURE
SENSORSPRESSURE
SENSORS
TEMPERATURE
SENSOR
PROCESSCONECTION
FLANGE
ANSI B16.5
PROCESS
CONECTION
FLANGE
ANSI B16.5
CAPACITIVE CELL
ELECTRONICS
&
LOCAL LCD
DT SeriesDT Series -- ConfigurationConfiguration
Side
Mounting
Top
Mounting
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Density:
SI system unit: kg/m3
Commonly used units: g/cm3 or g/l
English system unit: lbm/ft3
A.P.I. Concentration:
Degrees: Baum, Gay-Lussac, INPM
% of Solids
Measurement UnitsMeasurement Units
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Designed for Density, Concentration & Interface level ON LINE
measurements Two-wire loop powered equipment, 12 to 45 Vdc
Communication:
4-20mA + Hart (DT301),
Foundation Fieldbus (DT302)
Profibus (DT303)
Remote monitoring and calibration using Palm Handheld and /or PC
Single integrated unit, no moving parts Local digital indicator
Direct readout in several engineering units
Process temperature indication,
Temperature variable output available only in bus version
Suitable for dynamic and static liquids
Explosion-proof and intrinsically safe
CharacteristicsCharacteristics
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Working Ranges
Ranges
Range 1 : 0.5 to 1.8 g/cm3
Range 2 : 1.0 to 2.5 g/cm3
Range 3 : 2.0 to 5.0 g/cm3
Minimum Span
Range 1 : 0.025 g/cm3
Range 2 : 0.050 g/cm3
Range 3 : 0.250 g/cm3
Accuracy
Range 1: 0.0004 g/cc
Range 2: 0.0007 g/cc Range 3: 0.0016 g/cc
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Temperature Limits
Ambient: -40 to 85 C
Process: -20 to 150 C
Static Pressure Limit:
70 Bar (1,015 psi)
Viscosity:
No known limits, already used in
liquids with 10,000 Cp
Working ConditionsWorking Conditions
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Materials
Probe
Stainless Steel 316L SST
Hastelloy C276
Diaphragm
Stainless Steel 316L SST
Hastelloy C276
Housing Aluminum Alloy
Stainless Steel 316L SST
Measurement Tank Stainless Steel 316L SST
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Process Connection
Process Connection
Flange size: 4 RF
Pressure rating: Ansi 150, 300, 600
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DT Series Features
Easy Installation
Low Maintenance
High Accuracy
No special training
Easy setup and calibration
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Typical Installation
DT Series
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Online Installation, PipelinesOnline Installation, Pipelines
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Tank InstallationTank Installation
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Separator tank InstallationSeparator tank Installation
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Applications
Exploration
Oil & Gas Production
DT Series
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Exploration Application
Drilling Mud Density
Brine Density Ballast Density
Fluid Interface
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Oil & Gas Production Applications
Online Measurement
Tank Level Interface Measurement Online Blending
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Application:
Crude oil densitymeasurement, direct in line at
90 m3/h
Online Density MeasurementOnline Density Measurement
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Application:
Vertical Separator tank
Interface Level MeasurementInterface Level Measurement
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Customer: Petrobras
Location: So Miguel dosCampos, Alagoas State,
Brazil.
Application:
Interface Level Oil / Salt
Water
Interface Level MeasurementInterface Level Measurement
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Reference Letter:
Interface Level of Oil/ Salt Water
PetrobrsPetrobrs Reference LetterReference Letter
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Customer: PetrobrasLocation: Merluza Platform,
Santos Basin, Brazil
Application:
Density of condensed gas
DT SeriesDT Series Offshore ApplicationOffshore Application
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Customer: PetrobrasLocation: Marlim Sul Field,
Campos Basin, Brazil
Application:
Interface Level Oil / Water
DT SeriesDT Series Offshore ApplicationOffshore Application
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Application:
Horizontal Crude Oil Separator tank
Interface Level MeasurementInterface Level Measurement
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Application:
Project Oil Separator tank and
Water Cut
Water Cut MeasurementWater Cut Measurement
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Application:
Oil-Emulsion-Water tank separator
Online Separation MeasurementOnline Separation Measurement
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Application:
Liquid Custody Transfer Measurement Skids
Custody TransferCustody Transfer
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Application:
Fieldbus Blending Solution
Online BlendingOnline Blending
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Application:
Fieldbus Blending Solution
Online Concentration MeasurementOnline Concentration Measurement
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END