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2. Abandonment cost - Wikipedia

   en.wikipedia.org/wiki/Abandonment_cost

   The cost of a routine abandonment of a typical well in the United States is about $5,000 (~Texas average cost in year 2000). If a well has developed a leak that allows gas to flow up the outside of the well casing, finding and correcting the leak can push the cost of abandonment beyond $100,000.

3. Workover - Wikipedia

   en.wikipedia.org/wiki/Workover

   A workover rig. The term workover is used to refer to any kind of oil well intervention involving invasive techniques, such as wireline, coiled tubing or snubbing.More specifically, a workover refers to the expensive process of pulling and replacing completion or production hardware in order to extend the life of the well.

4. Snubbing - Wikipedia

   en.wikipedia.org/wiki/Snubbing

   PUMP TRUCK – The Engine of the truck is used to power the pump (which is a series of valves mounted behind the cab). -----> The Pump truck has a trailer which is the MUD TANK SNUBBING BASKET – Once again the trucks engine is used to power the unit's hydraulics. The Basket lies on the bed of the truck behind the cab.

5. Drawdown (hydrology) - Wikipedia

   en.wikipedia.org/wiki/Drawdown_(hydrology)

   Static level is the level of water in the well when no water is being removed from the well by pumping. [8] Water table is the upper level of the zone of saturation, an underground surface in which the soil or rock is permanently saturated with water. [9] Well yield is the volume of water per unit time that is produced by the well from pumping. [8]

6. Well intervention - Wikipedia

   en.wikipedia.org/wiki/Well_intervention

   Well intervention vessel Skandi Constructor. A well intervention, or well work, is any operation carried out on an oil or gas well during, or at the end of, its productive life that alters the state of the well or well geometry, provides well diagnostics, or manages the production of the well.

7. Completion (oil and gas wells) - Wikipedia

   en.wikipedia.org/wiki/Completion_(oil_and_gas_wells)

   Gas lift well: gas is fed into valves installed in mandrels in the tubing strip. The hydrostatic head is lowered and the fluid is gas lifted to the surface. Single-well alternate completions: in this instance there is a well with two zones. In order to produce from both the zones are isolated with packers.

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9. Water pumping - Wikipedia

   en.wikipedia.org/wiki/Water_pumping

   Due to the rotation, water is then picked up by the tube and pumped upwards in the hose. The coil pump, as many low lift pumps, is commonly used for irrigation purposes and for drainage of lands. It is currently still used by farmers in Asia. [1] The coil pump was built as an alternative to the Archimedean screw. Unlike the Archimedean screw ...