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Process Control

Optimize process performance with online pH sensors

Hydrocarbon Processing / March 2007
Invensys Process Systems: Connelly, J. P.
Process Control

Demanding applications need rugged hardware to improve reliability

Fieldbus reinstrumentation project yields significant benefits

Hydrocarbon Processing / March 2007
Yokogawa Corp. of America: Lau, C.
Shell Oil Co.: Medina, M.
Process Control

Here's how Shell upgraded from a pneumatic instrumented plant to a fully digital control system

OPC enables interoperability

Hydrocarbon Processing / March 2007
Matrikon: Murphy, E.
Process Control

The latest enhancement improves communication from the field to enterprise levels

Consider a satellite-based communications backup system

Hydrocarbon Processing / March 2007
Spacenet: Myers, D.
Process Control

This refiner lost communications during a hurricane. Here's how it solved the problem

EDDL: improved interoperability, better integration

Hydrocarbon Processing / March 2007
Fieldbus Foundation: Tatum, B.
Process Control

Industry standard technology offers powerful new features

HP Control: Inferential models that correlate but do not predict

Hydrocarbon Processing / March 2007
Petrocontrol: Friedman, Y. Z.
Process Control

A friend has asked me to help solve a dilemma. A neural net model developed in his plant had a near perfect fit against lab values but in spite of that the model's prediction ability was poor. I was s..

Perform automated distillations with fast gas chromatography

Hydrocarbon Processing / February 2007
Arnel, Inc.: Wentzel, C. S.
Process Control

Using this analytical technique can increase productivity

An online sulfur monitoring system can improve process balance sheets

Hydrocarbon Processing / February 2007
Gas Liquids Engineering Ltd.: Harris, B.  |  Mackenzie, S.
PetroChina: Wang, L.-Z.
Process Control

A Canadian gas processor used this technology to meet environmental regulations

Multivariable predictive control without step testing

Hydrocarbon Processing / January 2007
BP Exploration Operating Comp., Ltd.: Lawrence, D.  |  Sims, M.
PAS Global: Rice, V.  |  Sims, R.
Process Control

Other benefits of this BP project included increased production and reduced energy consumption and emissions

HP Control: Audit your APC applications

Hydrocarbon Processing / December 2006
Petrocontrol: Friedman, Y. Z.
Process Control

I was one of the first control industry whistleblowers, pointing out that half of the advanced process control (APC) applications implemented over the years do not work. We APC engineers have the resp..