Ortloff NGL/LPG Recovery, CO2 Separation and Sulfur Recovery Technologies
CORE BUSINESS NGL, LPG, AND SULFUR LNG RECOVERY TECHNOLOGY TECHNOLOGY
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
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.
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
NGL / LPG RECOVERY TECHNOLOGY
ETHANE RECOVERY MRX – MULTIPLE RECTIFICATION AND REFLUX SRX – SUPPLEMENTAL RECTIFICATION WITH REFLUX SRC – SUPPLEMENTAL RECTIFICATION WITH COMPRESSION RSV – RECYCLE SPLIT VAPOR RSVE – RECYCLE SPLIT VAPOR WITH ENRICHMENT GSP – GAS SUBCOOLED PROCESS NOTE: ACTUAL PERFORMANCE MAY VARY DEPENDING ON ACTUAL FEED COMPOSITON AND CONDITIONS
PROPANE RECOVERY 100 MRX SCORE RSV 99 SRC % PROPANE RECOVERY 98 RSVE 97 GSP 96 MRX – MULTIPLE RECTIFICATION AND REFLUX SCORE – SINGLE COLUMN OVERHEAD RECYCLE 95 SRC – SUPPLEMENTAL RECTIFICATION WITH COMPRESSION RSV – RECYCLE SPLIT VAPOR RSVE – RECYCLE SPLIT VAPOR WITH ENRICHMENT GSP – GAS SUBCOOLED PROCESS 94 42 46 50 54 58 62 66 70 74 78 82 86 90 94 98 RELATIVE COMPRESSION POWER (HP/MMSCFD) NOTE: ACTUAL PERFORMANCE MAY VARY DEPENDING ON ACTUAL FEED COMPOSITON AND CONDITIONS
CO2 TOLERANCE 100.0 99.0 MRX 98.0 97.0 96.0 95.0 RSV SRX 94.0 % Ethane Recovery 93.0 GSP SRC 92.0 91.0 90.0 RSVE 89.0 88.0 87.0 86.0 85.0 MRX – MULTIPLE RECTIFICATION AND REFLUX 84.0 SRX – SUPPLEMENTAL RECTIFICATION WITH REFLUX 83.0 SRC – SUPPLEMENTAL RECTIFICATION WITH COMPRESSION RSV – RECYCLE SPLIT VAPOR 82.0 RSVE – RECYCLE SPLIT VAPOR WITH ENRICHMENT 81.0 GSP – GAS SUBCOOLED PROCESS 80.0 0.5 0.8 1.0 1.3 1.5 1.8 2.0 CO 2 in Feed Gas (mol%) NOTE: ACTUAL PERFORMANCE MAY VARY DEPENDING ON ACTUAL FEED COMPOSITON AND CONDITIONS
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
TECHNOLOGY OPTIONS SFRR P R S SCORE S D R IOR RSV ???? C R RSVE R R SSP F SFSR S CDC
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!
NGL / LPG RECOVERY TECHNOLOGY LNG
LNG TECHNOLOGY • INTEGRATED LNG TECHNOLOGY (SERIES) FUEL GAS TREATING ORTLOFF FEED GAS LNG NATURAL GAS AND LIQUIDS LIQUEFACTION DEHYDRATION RECOVERY NGL or LPG ORTLOFF NGL or LPG LIQUIDS RECOVERY FUEL GAS TREATING LNG FEED GAS NATURAL GAS AND LIQUEFACTION DEHYDRATION
LNG TECHNOLOGY • INTEGRATED LNG TECHNOLOGY (ANGLE) Offers a 10% to 20% improvement in overall efficiency of the liquefaction process LOW-LEVEL LOW-LEVEL REFRIGERANT REFRIGERANT COMPRESSION PRE-COOLING HIGH-LEVEL REFRIGERANT COMPRESSION FUEL GAS TREATING ORTLOFF FEED GAS LNG NATURAL GAS AND LIQUIDS LIQUEFACTION DEHYDRATION RECOVERY NGL or LPG
LNG TECHNOLOGY • LNG Fractionation Process (LFP) Technology BOG Recondenser Ship Vapor Return Vaporizer BOG Gas to Compressor Ship Pipeline Off-loading High Pres. LNG Pump LNG LNG Storage Storage Rich Lean LNG LNG In-Tank LNG Pump LFP LFP NGL / LPG NGL / LPG NGL / LPG Recovery Recovery Product Unit Unit
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
CO2 / METHANE SEPARATION IN PRODUCED GAS WITH HIGH CO2 CONTENT
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
Integrated DRCF / SELEXOL™ Process SandRidge Century Plant 38 MMSCFD Flash 90% CO2 Comp. 400 Sales MMSCFD 585 DeC1 21% UOP 65% CO2 Dehy DRCF Gas SELEXOL ™ 65% CO2 PSIG Comp. CO2 1120 psig 1120 psig 1200 PSIG 140 MMSCFD CO2 Product 260 MMSCFD 2,000 PSIG
CO2 Removed CO 2 Removed (MMSCFD) Process Single Dual Refg Refg CO 2 CO 2 Frac Selexol ™ Frac UOP Selexol ™ 260 -- -- Single Refg CO 2 Frac + UOP 69 191 -- Selexol ™ Dual Refg CO 2 Frac + UOP 38 -- 222 Selexol ™ Based upon 400 mmscfd of 65% CO2 inlet gas
Power Comparison Power Required (MW) Process Compression Pumping Total UOP Selexol ™ 71.3 10.6 81.9 Single Refg CO 2 Frac + 44.1 9.3 53.4 UOP Selexol ™ Dual Refg CO 2 Frac + 37.6 7.9 45.5 UOP Selexol ™ Note: UOP Selexol™ pumping HP is for solvent circulation Fractionation pumping HP is for CO2 delivery
Summary of Potential Savings • CAPEX - $30 – 40 MM • OPEX - $39 MM / year (U.S. cost basis)
SULFUR RECOVERY TECHNOLOGY
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
Ortloff Designed SRUs
LICENSING/CONSULTING SUPPORT SERVICES
CONSULTING SERVICES • PROCESS DESIGN PACKAGES FOR LICENSED TECHNOLOGY • TECHNOLOGY SELECTION STUDIES • GENERAL OPERATING MANUALS • OPERATOR TRAINING • PLANT STARTUP • PLANT PERFORMANCE TESTING • PLANT TROUBLESHOOTING & DEBOTTLENECKING
TECHNICAL PAPERS
415 W. Wall, Suite 2000 Midland, Texas USA 79701 Phone : (432) 685-0277 Fax : (432) 685-0258 E-mail : OEL@ortloff.com or NGL@ortloff.com Visit our web site at www.ortloff.com
Recommend
More recommend
