ANALYSES AND FIELD APPLICATIONS OF GAS HYDRATE...
Transcript of ANALYSES AND FIELD APPLICATIONS OF GAS HYDRATE...
ANALYSES AND FIELD APPLICATIONS OF
GAS HYDRATE INHIBITORS
*Károly Jónap, *Viktor Füvesi, *Csaba Vörös,
**Árpád Vágó, ***László Tornyi
*University of Miskolc,Research Institute of Applied Earth Sciences,
Department of Research Instrumentation and Informatics
**MOL Plc. Exploration & Production Division,IFA New Technologies and R&D
***SCADA Industrial Process Control Engineering and Trading Company
OUTLINES
2
Introduction
Laboratory measurements
Static analysis
Dynamic analyses
Dynamic hydrate analyzer equipment from RIAES
Test of field equipment
Test on the field
Field application
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
INTRODUCTION
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8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
Problem: Hydrate formation in pipelines
Usage of preventive technologies
Traditional thermodynamic inhibitors (THI)
E. g. Methanol
Novel (Modern) kinetic inhibitors (KHI)
E. g. Polyvinylpyrrolidene (PVP)
Novel antiagglomeration inhibitors (AA)
E. g. NALCO 6423
LITERATURE OVERVIEW
4
Main topics
Formation of gas hydrate
Makogan (1981, 1997, 2013),
Sloan (1990, 2007),
Talaghat (2013, 2014)
Detemination of phase of hydrate
Difraction method
Staykova et al., 2002
Raman spectroscopy
Hester et al., 2007;
Gborigi et al., 2007
Nuclear Magnetic Resonance spectroscopy (NMR)
Susloa et al., 2007
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
OUTLINES
5
Introduction
Laboratory measurements
Static analysis
Dynamic analyses
Dynamic hydrate analyzer equipment from RIAES
Test of field equipment
Test on the field
Field application
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
STATIC HYDRATE INVESTIGATIONS
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Static conditions
Pro: well determined characteristics
Indication of hydrate formation (low pressure)
Low pressure
Acoustic sensors (McNamee and Conrad, 2001, etc.)
MRI (Zhao et al., 2014)
High pressure (Kamari, 2014)
Media: CH4, CO2, THF, natural gas
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Sibenik, Croatia, October 13-16, 2015
DYNAMIC HYDATE INVESTIGATIONS
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Modeling flow in pipelines
Yana et al., 2014; Chen et al., 2015; etc.
Study of rock core
Li et al., 2014
Simulation of zone of gas well
Delli and Grozic, 2014
System with multi measurement locations
Fereidounpour and Vatani, 2014
Biogas demonstration system
Castellani et al., 2014
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
OUTLINES
8
Introduction
Laboratory measurements
Static analysis
Dynamic analyses
Dynamic hydrate analyzer equipment from RIAES
Test of field equipment
Test on the field
Field application
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
Temperature range
-20…+30 °C
Pressure range
Max. 15 MPa
Gas flow range
1…10 nl/min
Tubing
OD/ID: 6/4 mm
Length: 7 & 14 m
Transmitters
TT – Temperature
FT – Gas Flow
PT – Pressure and
differential pressure
XT – Video
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
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DYNAMIC HYDRATE MODELING
EQUIPMENT OF RIAES
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8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
DYNAMIC HYDRATE MODELING
EQUIPMENT OF RIAES
Dosing test – Hydrate formation
1st gas hydrate - 2000 s
1st start of methanol feeding - 2165 s
1st hydrate eliminated - 2670 s
1st feeding stop - 2870 s
2nd gas hydrate - 5000 s
2nd methanol feeding start - 5690 s
2nd hydrate eliminated - 6120 s
2nd feeding stop - 6350 s
3st gas hydrate - 8400 s
3st methanol feeding start - 8990 s
3st hydrate eliminated - 9200 s
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
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DYNAMIC HYDRATE MODELING
EQUIPMENT OF RIAES
OUTLINES
12
Introduction
Laboratory measurements
Static analysis
Dynamic analyses
Dynamic hydrate analyzer equipment from RIAES
Test of field equipment
Test on the field
Field application
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
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TEST OF FIELD EQUIPMENT
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
Inlet pressure
PT-01
Temperature of CIP
TT-05
Outlet pressure
PT-03
Weight of
dosing
chamical
WT-06
Flow pulses
FT-07
Pressure of pump
PT-02Temperature of chamber
TT-04
TEST ARRANGEMENT WITH MEASURED
PARAMETERS
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Sibenik, Croatia, October 13-16, 2015
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Chemical Tank
CIP unit
Backpressure
regulator
Ga
s d
rye
r u
nit
Pressure
regulator
Compressor
Climate
chamber
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Sibenik, Croatia, October 13-16, 2015
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TEST SERIES AND RESULTSM
ean
inje
cte
dv
alu
e[c
m3/h
]
Measurments on:
Diff. Temperatures
(-35 ºC … +60ºC)
Diff. Dosing values
Diff. Working pressure
OUTLINES
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Introduction
Laboratory measurements
Static analysis
Dynamic analyses
Dynamic hydrate analyzer equipment from RIAES
Test of field equipment
Test on the field
Field application
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
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MOBILIZED GAS HYDRATE INVESTIGATION
SYSTEM
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Sibenik, Croatia, October 13-16, 2015
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LABORATORY TEST EQUIPMENT
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LABORATORY TEST EQUIPMENT
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
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WIDE-TUBING TEST EQUIPMENT
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Sibenik, Croatia, October 13-16, 2015
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WIDE-TUBING TEST EQUIPMENT
OUTLINES
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Introduction
Laboratory measurements
Static analysis
Dynamic analyses
Dynamic hydrate analyzer equipment from RIAES
Test of field equipment
Test on the field
Field application
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
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REQUIREMENTS AGAINST THE NEW CIP
Wide injection volume
Corrosion prevention
Use renewable energy
Small power consumption
Adjustable injection volume
Wide operation temperature range
Wide working pressure range
Management system
Easy to setup
Have low maintain requirement
Be mobile and easy to build up and down
Cheap construction
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
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NEW CHEMICAL INJECTION SYSTEM
Asynchronous
motor
• Ex motor
• 120 W power
Helical gear
unit
Crank mechanism
Double acting
injection
Solar energy
source
• 2kW solar cells
• 800Ah accumulator
capacity
Controller
Tank of
chemicals Pipeline
Features
Working pressure: max. 160 bar
Working temperature: -40 ÷ +60 °C
Stroke: 20 mm
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
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MODEL TECHNOLOGY ARRANGEMENT
Solar cells
Injection pump
Controller
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PARAMETERS OF MODEL TECHNOLOGY
Pressure: Pressure of siphon of well Pressure of injection pipe
Temperature Temperature of pipe of well
Temperature of soil
Temperature of chemicals
Temperature of controller
Temperature of inverter
Other
Level of the chemical in the tank
Current of inverter
Voltage of inverter
Alarm signals
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Sibenik, Croatia, October 13-16, 2015
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HIGH LEVEL MONITORING SYSTEM
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NIUA, S. S. & CHENA, G. J.: Flow characteristics and rheological properties of natural gas hydrate slurry in the presence of anti-
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and L-Tyrosine as kinetic inhibitors in a mini flow loop apparatus, Journal of Natural Gas Science and Engineering, 2014, 19, 215-220.
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Sibenik, Croatia, October 13-16, 2015
LITERATURE
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8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
LITERATURE
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The described work was carried out as part of the
TÁMOP-4.2.2.D-15/1/KONV-2015-0030
project in the
framework of the New Széchenyi Plan.
The realization of this project is supported by the
European Union, co-financed by
the European Social Fund.
8th International Oil & Gas Conference and Exhibition
Sibenik, Croatia, October 13-16, 2015
ACKNOWLEDGEMENT