The advantages and disadvantages of water fracturing

The advantages and disadvantages of water fracturing
Not thickened water has been considered one of the cleanest and most efficient fracturing fluid. If the strata adaptability, fluid loss is small, you can use not thickened water as the main fracturing fluid. General measures taken are water fracturing, fracture resistance reduction. These fracturing operations in high displacement pump into a lot of water, which add a reducing agent and a small amount of  Proppant .  The costs of these measures less than with conventional gel, so water fracturing gel fracturing more economically feasible than.
Like all production technologies, water fracturing also has its own advantages and disadvantages. This technology is the key to well selection, selecting appropriate to the technical merits of the formation. Shimizu fracturing benefits include:
  1, easy to operate;
  2, the resulting crack length;
  3, initial yields comparable with conventional gel fracturing;
  4, the cost is lower than the gel fracturing.
  Fracturing water also has some disadvantages such as:
  1, plus   frac sand   concentration is low;
  2,  Frac sand  off too fast;
  3, the effective fracture length is shorter;
  4, yield decreasing faster than the gel fracturing;
  5, the bottom layer of water having a certain degree of risk.
In fact, all the problems in water   fracturing proppant  - carrying capacity because of poor cause. Therefore, if the support agent can effectively filling cracks with water, these problems can be reduced or even completely eliminated.