This standard specifies the technical requirements and calibration methods of the real-time measurement and adjustment instrument for stratified flow in water injection wells (hereinafter referred to as the measurement and adjustment instrument). This standard is applicable to the calibration of real-time measurement and adjustment instruments for underground stratified flow in water injection wells that are newly manufactured, in use and after repair.
SY/T 6977-2014 history
2014SY/T 6977-2014 The calibration method of real-time measuring and adjusting instrument of flooding well's layered flux