The system is easily portable with a mini-truck. No drilling ... A schematic view of the deep hydrofrac system is shown in Figure 3. ... A suitable air compressor to activate the hydraulic pump (capacity 3 to 5 m3, min-1) usually is rented on site .
|Title||:||Hydraulic Fracturing Stress Measurements|
|Publisher||:||National Academies - 1983|