1 PETRO RIVER OIL CORP. 2  Files SEC form 8-K, Change in Directors or Principal Officers, Regulation FD Disclosure, Financ. 3  PETRO RIVER OIL CORP. 4  Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits. 5  PETRO RIVER OIL CORP.
There has been a change in the requirements for OPOTA Certified Instructors on the. number of hours of instructor training that must be received to become certified. A new. OPOTA Certified Instructor Training officer must have 80 hours of instructor training to. be eligible to receive instructor certification.
A good way to begin learning HYSYS or UniSim is to do the first and third tutorials included with the documentation, called âgas processingâ and âchemicals.â For Aspen Plus this is probably located at C:\Program Files\ AspenTech \Documentation 2004.2\Aspen Engineering Suite