After completion of a drilling step, a series of geoelectric surveys ( logs ) are generally carried out , dropping into the well of the probes. Once this phase has been completed, the well can be intubated by dropping various sections of steel tubes as a hole coating. Coating tubes are cemented to the rock to prevent hydrocarbon leaks or other fluids in the tubular-rock gap.
Finally, the well is completed internally by installing a series of small diameter tubes (7 to 12 cm, tubing ) that have the function of driving oil outside. The well's mouth is equipped with a safety valve system (oil spout called "Christmas Tree") that allows controlled oil delivery in temporary storage tanks or its direct injection into a pipeline .
If the pressure of the oil is not enough to make it trace inside the pipes to the surface or if you want to speed up the mining activity, you can mount the pumps on both the surface and the bottom well.
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