Hydraulic fracturing or Fracking/ Fracture Stimulation in a horizontal well
used with permission from the EPA
The flow of a fracking job. This demonstrates a horizontally drilled well. Fracking can be done on vertical, slant and horizontally drilled wells.
Class II disposal injection well and secondary recovery well
Used with permission from the EPA
This graphic demonstrates 1. A class II disposal injection well on the left with "brine disposal" at the top. Note that the intention of this type of disposal well is not to dispose of oil field waste in a sealed and closed well, but to release the waste deep underground into a reservoir between confining formations. The waste does not remain inside the well.
2. It show the secondary recovery well that is injecting water into the reservoir containing oil in order to push the oil up the production well to "recover" the oil and gas.
3. The Production well ,
2. It show the secondary recovery well that is injecting water into the reservoir containing oil in order to push the oil up the production well to "recover" the oil and gas.
3. The Production well ,
Used with permission from the EPA
A simple graphic of two production and two secondary recovery wells using water injection also known as "water flooding".
Fresh, produced or recycled water can be used.
Fresh, produced or recycled water can be used.