ortloff engineers: ngl/lpg and sulfur recovery ...€¦ · – meets all product specifications and...
TRANSCRIPT
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Ortloff NGL/LPG Recovery, CO2
Separation and Sulfur Recovery Technologies
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CORE BUSINESS
NGL, LPG, AND LNG
TECHNOLOGY
SULFUR RECOVERY
TECHNOLOGY
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HISTORY OF ORTLOFF• The Ortloff Corporation (1960 - 1985)
– Turnkey EPC Contractor in the gas processing industry Developed 5 U.S. Patents - Gas Processing Technology
» MTP - Two Stage Expander Process» LSP - Liquid Subcooled Process» VEP - Vapor Enrichment Process» OHR - Overhead Recycle Process» GSP - Gas Subcooled Process
– Withdrew from EPC contracting in 1985 and formed Ortloff Engineers, Ltd.
• Ortloff Engineers, Ltd. (1985 - Present)– Established Reputation as Technology Supplier/Developer– (21) Additional Patents– Established Cooperative Marketing Agreement with UOP in
2002– Sold to Management Group in 2005
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ORTLOFF TODAY
Since 1985, Ortloff NGL/LPG Technology has been licensed to process over 50.0 BSCFD of natural gas in more than 120 plants ranging in size from 25 MSCFD to 1.4 BSCFD located in over 20 countries.
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COOPERATIVE MARKETING AGREEMENT
• UOP MARKETS & LICENSES ORTLOFF TECHNOLOGY– NGL / LPG / LNG / SULFUR
– Most countries outside of U.S.
• UOP / ORTLOFF SYNERGY– Development of process technology
• CLIENT BENEFITS− Single source for all major gas processing technology− Simplifies technology contract agreements
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NGL / LPG RECOVERY TECHNOLOGY
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ETHANE RECOVERY
NOTE: ACTUAL PERFORMANCE MAY VARY DEPENDING ON ACTUAL FEED COMPOSITON AND CONDITIONS
MRX – MULTIPLE RECTIFICATION AND REFLUXSRX – SUPPLEMENTAL RECTIFICATION WITH REFLUXSRC – SUPPLEMENTAL RECTIFICATION WITH COMPRESSIONRSV – RECYCLE SPLIT VAPORRSVE – RECYCLE SPLIT VAPOR WITH ENRICHMENTGSP – GAS SUBCOOLED PROCESS
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PROPANE RECOVERY
NOTE: ACTUAL PERFORMANCE MAY VARY DEPENDING ON ACTUAL FEED COMPOSITON AND CONDITIONS
94
95
96
97
98
99
100
42 46 50 54 58 62 66 70 74 78 82 86 90 94 98
RELATIVE COMPRESSION POWER(HP/MMSCFD)
% P
RO
PAN
E R
ECO
VER
Y RSV
RSVE
GSP
SRCSCORE
MRX
MRX – MULTIPLE RECTIFICATION AND REFLUXSCORE – SINGLE COLUMN OVERHEAD RECYCLESRC – SUPPLEMENTAL RECTIFICATION WITH COMPRESSIONRSV – RECYCLE SPLIT VAPORRSVE – RECYCLE SPLIT VAPOR WITH ENRICHMENTGSP – GAS SUBCOOLED PROCESS
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CO2 TOLERANCE
80.081.082.083.084.085.086.087.088.089.090.091.092.093.094.095.096.097.098.099.0
100.0
0.5 0.8 1.0 1.3 1.5 1.8 2.0CO2 in Feed Gas
(mol%)
% E
than
e R
ecov
ery
GSP SRC
RSVE
RSV SRX
MRX
NOTE: ACTUAL PERFORMANCE MAY VARY DEPENDING ON ACTUAL FEED COMPOSITON AND CONDITIONS
MRX – MULTIPLE RECTIFICATION AND REFLUXSRX – SUPPLEMENTAL RECTIFICATION WITH REFLUXSRC – SUPPLEMENTAL RECTIFICATION WITH COMPRESSIONRSV – RECYCLE SPLIT VAPORRSVE – RECYCLE SPLIT VAPOR WITH ENRICHMENTGSP – GAS SUBCOOLED PROCESS
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NGL / LPG RECOVERY TECHNOLOGY
Ortloff NGL / LPG recovery technology offers one or more of the following advantages:– Ethane and propane recovery levels up to 99%– Increased recovery with no increase in horsepower– Increased capacity with no increase in horsepower– Lower capital cost– High CO2 tolerance– Improved operational stability– Improved operating flexibility (dual mode ethane / propane recovery)– Maintain ultra-high C3 recovery throughout all C2 operating modes– Easily retrofit into existing NGL/LPG Recovery Plants
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TECHNOLOGY OPTIONS
SCORE SFRR
IOR
SDR
SSP
CRR
SFSRSFR
RSVE
RSV
SRP
????
CDC
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TECHNOLOGY SELECTION
• Choose a process design which….– Meets all product specifications and recovery levels– Avoids CO2 freeze– Avoids unstable phase region– Requires the least heat and compression costs– Provides the required operating flexibility and upgrade
potential– Minimizes inlet/product treating costs
Iterations during early phase of project are critical!
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LNGNGL / LPG RECOVERY
TECHNOLOGY
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LNG TECHNOLOGY
• INTEGRATED LNG TECHNOLOGY (SERIES)
GAS TREATING AND
DEHYDRATION
LNG
NGL or LPG
FEED GAS ORTLOFF LIQUIDS
RECOVERY
NATURAL GAS LIQUEFACTION
FUEL
GAS TREATING AND
DEHYDRATION
LNG
NGL or LPG
FEED GAS
ORTLOFF LIQUIDS
RECOVERY
NATURAL GAS LIQUEFACTION
FUEL
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LNG TECHNOLOGY
• INTEGRATED LNG TECHNOLOGY (ANGLE)Offers a 10% to 20% improvement in overall efficiency of the liquefaction process
GAS TREATING AND
DEHYDRATION
LOW-LEVEL REFRIGERANT COMPRESSION
LNG
HIGH-LEVEL REFRIGERANT COMPRESSION
NGL or LPG
FEED GAS
LOW-LEVEL REFRIGERANT PRE-COOLING
ORTLOFF LIQUIDS
RECOVERY
NATURAL GAS LIQUEFACTION
FUEL
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LNG TECHNOLOGY
• LNG Fractionation Process (LFP) Technology
ShipOff-loading
Ship VaporReturn
BOGRecondenser
Gas toPipeline
In-TankLNG Pump
High Pres.LNG Pump
Vaporizer
LFPNGL / LPGRecovery
Unit
NGL / LPGProduct
RichLNG
LeanLNG
BOGCompressor
LNGStorage
LNGStorage
LFPNGL / LPGRecovery
Unit
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LNG FRACTIONATION TECHNOLOGY
Ortloff’s LNG fractionation technology for the recovery of NGL / LPG at LNG receiving terminals offers the following advantages:
– Flexibility to handle wide range of LNG composition– Improved plant efficiency by utilizing inherent refrigeration available
in LNG– No increase in heat load on vaporization– Minimizes plant capital and operating costs over traditional straddle
plant design– Recovery of liquids easily adjusted to meet natural gas pipeline
heating value specifications– Requires no compression– Easily retrofitted into an existing facility
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CO2 / METHANE SEPARATION IN
PRODUCED GAS WITH HIGH CO2 CONTENT
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Integrated DRCF / SELEXOL™ Process
• Two stage process for separation of CO2 and Methane
– Stage 1: DRCF for bulk removal and purification of CO2
– Stage 2: UOP SELEXOL™ for final separation and purification of natural gas
DRCF - Dual Refrigerant CO2 Fractionation
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Integrated DRCF / SELEXOL™ Process
SandRidge Century Plant
65% CO21120 psig
Dehy DRCF DeC1Comp.
UOPSELEXOL™
FlashComp.
400MMSCFD 585
PSIG1200 PSIG
140 MMSCFD
CO2 Product260 MMSCFD2,000 PSIG
SalesGas
38 MMSCFD90% CO2
21%CO265% CO2
1120 psig
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CO2 Removed
Process
CO2 Removed (MMSCFD)
Selexol™Single
Refg CO2 Frac
Dual Refg CO2 Frac
UOP Selexol™ 260 -- --
Single Refg CO2 Frac + UOP Selexol™ 69 191 --
Dual Refg CO2 Frac + UOP Selexol™ 38 -- 222
Based upon 400 mmscfd of 65% CO2 inlet gas
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Power Comparison
Process
Power Required (MW)
Compression Pumping Total
UOP Selexol™ 71.3 10.6 81.9Single Refg CO2 Frac + UOP Selexol™ 44.1 9.3 53.4
Dual Refg CO2 Frac + UOP Selexol™ 37.6 7.9 45.5
Note: UOP Selexol™ pumping HP is for solvent circulation Fractionation pumping HP is for CO2 delivery
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Summary of Potential Savings
• CAPEX - $30 – 40 MM
• OPEX - $39 MM / year
(U.S. cost basis)
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SULFUR RECOVERY TECHNOLOGY
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Early SRU Experience
• Designed / built 7 SRUs for sister company in 1960s− Little design information available− SRUs suffered typical reliability problems− Sulfur plant reliability affects profitability
• Began analyzing reliability problems in 1969− Developed design concepts to improve reliability− Further improvements have been on-going− Concepts used in all Ortloff plants since 1970
• The Ortloff Corporation (1960 – 1985)− Designed / constructed 53 SRUs
• Ortloff Engineers, Ltd. (1986 – Present)− Designed 30 SRUs constructed by others
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Ortloff Designed SRUs
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LICENSING/CONSULTING SUPPORT SERVICES
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CONSULTING SERVICES
• PROCESS DESIGN PACKAGES FOR LICENSED TECHNOLOGY
• TECHNOLOGY SELECTION STUDIES
• GENERAL OPERATING MANUALS
• OPERATOR TRAINING
• PLANT STARTUP
• PLANT PERFORMANCE TESTING• PLANT TROUBLESHOOTING &
DEBOTTLENECKING
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TECHNICAL PAPERS
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415 W. Wall, Suite 2000Midland, Texas USA 79701Phone : (432) 685-0277Fax : (432) 685-0258E-mail : [email protected]
Visit our web site at www.ortloff.com