The test took place on Wednesday, June 10, 2009 at their premises in Obernkirchen/Germany. Here are more details from Bornemann's website:
As you know, the increasing need for combustible fuels calls for continuous change within the Oil & Gas industry. Ultimately, this will reflect in the need for better and improved technologies that are being implemented in the field.
To this end, as a leader in the oil and gas industry, Bornemann continues to innovate itself and it’s line of products. As result of this constant innovation, Bornemann developed for one of his major clients the largest pump system ever built for Multiphase Pumping. As part of Bornemann standards, the pump must be tested.