Oryx Midstream Services revealed Wednesday that Qatar Investment Authority will invest approximately $550 million in the company. : Oryx Midstream Services revealed Wednesday that Qatar Investment Authority (QIA) will invest approximately $550 million in the company. In a statement published on its website yesterday, Oryx said an affiliate of QIA has acquired a “significant” stake in the business from an affiliate of Stonepeak Infrastructure Partners. Oryx also noted that QIA has committed to invest in the development of the company.