 HOUSTON, Oct. 21, 2021 PRNewswire -- Select Energy Services, Inc. NYSE: WTTR today announced that it will release third quarter 2021 financial results on Tuesday, November 2, 2021 after the market closes. In conjunction with the release, the Company has scheduled a conference call, which will also be broadcast live over the Internet, on Wednesday, November 3, 2021 at 11:00 a.m. 