Booth # 261
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The concept behind AIRSHOCK® is the rapid release of high-pressure gas. This creates a high energy percussive wave and oscillating gas bubbles that dislodge particulate matter and scale buildup as well as displace the surrounding water. Three things happen when the AIG fires. First is the shock wave creation that blasts mineral scale, rust and biological buildup from the inside and between the openings of the well screen. Second, expanding and contracting bubbles force water in and out of the gravel pack and aquifer ensuring a washing process. Third, the pulse results in in a low-pressure area under the AIG tool and vacuuming the fines from the gravels back into the well. AIRSHOCK® has four main applications:
1. Dislodging and removing buildup from inside the screen wall.
2. Delivering chemicals through the screen and into the gravel pack and formation.
3. Developing fines and filter cake from new wells.
4. Stabilizing gravels in the gravel packs thereby removing voids in the gravel pack.
Along with high efficiency, the advantage of the system is ease of use. AIRSHOCK® consists of a small complement of equipment that may be transported on a small trailer pulled by a pickup or a truck and operated by one person. Setup time is typically under an hour. Assuming two shots per foot (6-8 second), a 100-foot screen section may be treated with one pass in about 15 minutes. Two or three passes are typically made. The operator has full control of the energy delivered to the well. He selects the size of the tool to use based on the diameter of the well and has control of the pressure applied up to 3,500 psi. The well may be treated repeatedly if necessary. The AIG is lowered into the well on a double braided high-pressure hydraulic-pneumatic hose spooled on an electric or hydraulic hose reel. Depending on the chemistry of ground water the high-pressure gas may be either nitrogen or air. In the special cases carbon dioxide may be used. In most cases the gas of the choice is nitrogen since it will not cause oxidation or contribute to aerobic bacteria growth. It is readily available at most job sites.
Pressures may be varied from a few hundred psi up to 3,000 psi. The AIG diameter and gas pressure should be chosen to meet well diameter its condition and treatment requirements.
Air lifting or pumping is recommended in conjunction with airshocking to remove materials before they have a chance to settle.
AIRSHOCK® may be used to agitate chemicals in the well, i.e. add chemicals to the well and
AIRSHOCK, let set over night and AIRSHOCK® again before pumping out.
The AIRSHOCK® system does not require special permitting or handling requirements for operation.
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AIG above the water well
Ease of use
Along with high efficiency, the advantage of the system is ease of use. AirShock® consists of a small complement of equipment that may be transported on a small trailer pulled by a pickup or a truck and operated by one person. Setup time is typically under an hour. Assuming two shots per foot (6-8 second), a 100-foot screen section may be treated with one pass in about 15 minutes. Two or three passes are typically made. The operator has full control of the energy delivered to the well. He selects the size of the tool to use based on the diameter of the well and has control of the pressure applied up to 3,000 psi. The well may be treated repeatedly if necessary. The AIG is lowered into the well on a double braided high-pressure hydraulic-pneumatic hose spooled on an electric or hydraulic hose reel.
