Papers

  • Cross-unit APC boosts downstream performance, Asia Downstream Summit, October 2019, later published in PTQ Magazine, Q2 2020  2020_MelakaCDU-DHT_APC_PTQ
  • APC of debutanizers make use of inferential predictions, Hydrocarbon Processing Journal, June 2017, later presented at IRPC conference, September 2018 2017_LOR_DeC4_HPJ
  • Mild Hydrocracker APC at Bayernoil Neustadt refinery, IRPC conference, June 2016, later published in PTQ magazine, Q3 2017. 2017_bayernoil HCR PTQ
  • Lubes VDU product property prediction and control, ARTC conference, March 2014.  2014_VDUMG3_Petronas
  • Delayed coker advanced process control at Petronas Melaka refinery, Hydrocarbon Processing International Refining conference, June 2010.  2010_Petronas_coker_HPJ_Int
  • Implementation of APC on Repsol Poertollano CDU1, ERTC computer conference, May 2007.   2007_Puertollano_ERTC
  • Implementation of APC on CDU 1 and CDU 3 at Sinopec Gaoqiao (Shanghai) refinery, Refining China Conference, April 2006. 2006_GaoQiao_paper
  • Coker Advanced Control and Inferential Modeling at BP Gelsenkirchen Refinery, ERTC computer conference, May 2005.  2005_coker ERTC
  • The use of first-principles inference models for crude switching control, ERTC computer conference, May 2004, later published in PTQ Magazine, Q4 2004. 2004-Petronas_CDU2_ERTC
  • First-principles inference model improves deisobutanizer column control, Hydrocarbon Processing Journal, March 2003.  2003_HP0303_URC_DIB
  • Multivariable Controller Implementation for a Crude Unit: A case Study.  NPRA Computer Conference, October 2002, later published in O&G Journal, November 4 2002.  2002_NPRC_GCC
  • First principles distillation inference model for a toluene – xylene separation column. ERTC Computer Conference, June 2002.  2002 Toluene_Inference_ERTC
  • First-principles distillation inference models for a superfractionator product quality prediction. Hydrocarbon Processing Journal, February 2002.  2002 HP0202BenzeneColumn
  • Experience with GDS, a first principles inference model for distillation columns. Presented ERCT Computer Conference, June 2001, NPRA computer conference, October 2001, Petroleum Technology Quarterly, Autumn 2001.  2001_GDS_Pembroke_ERTC
  • Refinery uses column data to infer and control product properties.  Oil & Gas Journal, February 19, 2001.
  • Refining & petrochemical property indicators for distillation, fractionation and crude switching.  NPRA Computer Conference, November 2000.  2000_Property_Indicators
  • Use of column data to infer and control crude fractionator product properties.  NPRA Computer Conference, November 2000. 2000_URC_CDU_Experience
  • Advanced Control of Ethylene Plants, What Works, What Doesn’t and Why.  Ethylene Producers’ Committee, March 1999, Hydrocarbon Asia, Jul/Aug 99. 1999_Ethylene_APC
  • Model Based Control of Fractionation in an Ethylene Plant.  Ethylene Producers’ Committee, 1998, New Orleans, LA. 1998_Ethylene_fractionation
  • Engineering Models for Inferential Control. Hydrocarbon Processing Journal, Process Optimization Conference, April 1997. 1997_Eng_models
  • What’s Wrong with Unit Closed Loop Optimization.  Hydrocarbon Processing Journal, October 1995.  1995_On_line_Opt
  • Visbreaker Monitoring for Maximum Conversion. PDVSA Deep Conversion workshop, June 1993, Corpus Christi.  1993_visbreaker
  • Control of Crude Fractionator Product Qualities during Feedstock Changes by Use of a Simplified Heat Balance.  American Control Conference, 1985.  1985_GCC_original