| 摘要 |
A dual pipe network water injection system pressure dividing point determination method, comprising the following steps: step 1, acquiring technical parameters of a water injection system and an individual well governed thereby; step 2, establishing an operation efficiency and pressure dividing point mathematical model of "Single water injection system and dual pressure system water injection pipe network", and acquiring relationship functions between operation efficiency and pressure and the water quantity according to the mathematical model; step 3, setting up an iteration simulation method to calculate the calculation range and calculation step length of pressure dividing points; step 4, substituting each parameter value into the mathematical model to conduct iterative solving so as to obtain the solution set of the operation efficiency, and drawing the solution set data curve of the operation efficiency via the solution set, the curve being a parabolic curve; step 5, the top point of the parabola is the highest point of a pipe network efficiency, and a pressure point numerical value corresponding to the top point is the best pressure dividing point for outward delivery. |
