A few weeks ago, midstream master limited partnership Oasis Midstream Partners LP (OMP) gave a presentation to its investors. As has been the case with several other midstream companies that have provided such investor updates recently, it appears that the purpose of this update was to calm investors in the face of the current market turbulence. While it does somewhat manage to accomplish this, there are still some concerns surrounding the firm. The company is backed by the larger Oasis Petroleum (OAS) but that provides little comfort as Oasis Petroleum itself