Technical Papers

Ortloff Engineers, Ltd. has published many technical papers in the field of cryogenic NGL and LPG recovery. Most of the papers are summarized below, in order of date presented, with a link to the full paper when available.

All papers are in Adobe Acrobat PDF format. The free PDF reader software can be downloaded from Adobe’s web site here.

  • Dry-out Design Considerations and Practices for Cryogenic Gas Plants
    93rd Annual Convention, Gas Processors Association
    Dallas, Texas, April 14, 2014
    GPA14.pdf 1138 KB
  • Designing Molecular Sieve Dehydration Units to Prevent Upsets in Downstream NGL/LPG Recovery Plants
    2012 Laurance Reid Gas Conditioning Conference
    Norman, Oklahoma, February 2012
    LRGCC2012.pdf 277 KB
  • Gas Plant in a BottleTM
    90th Annual Convention, Gas Processors Association
    San Antonio, Texas, April 4, 2011
    GPB2011.pdf 346 KB
  • Economical Option for CO2 / Methane Separation in Produced Gas Containing a High CO2 Fraction
    Presented at:
    89th Annual Convention, Gas Processors Association
    Austin, Texas, March 22, 2010
    24th International Conference & Exhibition for the LNG, LPG and Natural Gas Industries – GASTECH 2009
    Abu Dhabi, UAE, May 26, 2009
    GasTech2009.pdf 102 KB
  • PEMEX Reynosa Complex – Operating Experience and Design Recommendations
    88th Annual Convention, Gas Processors Association
    San Antonio, Texas, March 9, 2009
    GPA09.pdf 309 KB
  • How To Compare Cryogenic Process Design Alternatives For A New Project
    86th Annual Convention, Gas Processors Association
    San Antonio, Texas, March 12, 2007
    GPA07NGL.pdf 346 KB
  • Economical Options For Recovering NGL/LPG At LNG Receiving Terminals
    86th Annual Convention, Gas Processors Association
    San Antonio, Texas, March 13, 2007
    GPA07LNG.pdf 298 KB
  • Retrofit Of The Amerada Hess Sea Robin Plant For Very High Ethane Recovery
    84th Annual Convention, Gas Processors Association
    San Antonio, Texas, March 14, 2005
    GPA05.pdf 507 KB
  • Improving Ethane Extraction At The Petronas Gas GPP-A Facilities In Malaysia
    83rd Annual Convention, Gas Processors Association
    New Orleans, Louisiana, March 15, 2004
    GPA04.pdf 191 KB
  • Process Retrofits Maximize The Value Of Existing NGL And LPG Recovery Plants
    82nd Annual Convention, Gas Processors Association
    San Antonio, Texas, March 10, 2003
    GPA03NGL.pdf 279 KB
  • Integrated Liquids Recovery Technology Improves LNG Production Efficiency
    82nd Annual Convention, Gas Processors Association
    San Antonio, Texas, March 10, 2003
    GPA03LNG.pdf 133 KB
  • Co-Producing LNG From Cryogenic NGL Recovery Plants
    81st Annual Convention, Gas Processors Association
    Dallas, Texas, March 12, 2002
    GPA2002.pdf 283 KB
  • Unique Design Challenges In The Aux Sable NGL Recovery Plant
    81st Annual Convention, Gas Processors Association
    Dallas, Texas, March 12, 2002
    GPA02_2.pdf 306 KB
  • Reducing Treating Requirements for Cryogenic NGL Recovery Plants
    80th Annual Convention, Gas Processors Association
    San Antonio, Texas, March 12, 2001
    GPA2001.pdf 639 KB
  • Practical Troubleshooting Techniques For Cryogenic Gas Plants
    79th Annual Convention, Gas Processors Association
    Atlanta, Georgia, March 13, 2000
    GPA2000.pdf 165 KB
  • Retrofitting The Williams Energy Services Ignacio Plant For Higher Throughput And Recovery
    78th Annual Convention, Gas Processors Association
    Nashville, Tennessee, March 1999
    GPA99.pdf 126 KB
  • Next Generation Processes For NGL/LPG Recovery
    77th Annual Convention, Gas Processors Association
    Dallas, Texas, March 16, 1998
    GPA98.pdf 222 KB
  • Increasing Gas Processing Capacity At TGS’s General Cerri Complex
    Instituto Argentino del Petroleo
    Neuquen, Argentina, November 21, 1996
    ARG96.pdf 784 KB
  • Improving Throughput And Ethane Recovery At GPM’s Goldsmith Gas Plant
    75th Annual Convention, Gas Processors Association
    Denver, Colorado, March 12, 1996
    GPA96.pdf 408 KB
  • Improved NGL Recovery Designs Maximize Operating Flexibility And Product Recoveries
    71st Annual Convention, Gas Processors Association
    Anaheim, California, March 18, 1992
    GPA92.pdf 352 KB
  • Why Cryogenic Processing
    54th Annual Convention, Gas Processors Association
    Houston, Texas, March 11, 1975
    GPA75.pdf 922 KB