a) Well Type J – Build and Maintain (Build and Hold – Type Slant)
b) Well Type S – in the form of S (S – Shaped)
c) Deep Well and Build LAD type (Deep kick-off and Build)
d) Horizontal Wells.
It is planned so that the initial deflection angle is obtained at a depth not very large and from that point the angle is maintained as a straight line toward the target. Once obtained these requirements, placing the surface casing through the diverted section and cemented.
This program can be applied in two precise depth programs. Moderately deep drilling in areas that do not require intermediate casing and where the rock containing the oil is in one area.
For deep wells, which require a large lateral displacement, in these wells the string of intermediate casing is placed through the curved section to the required depth. The initial angle and direction remain chant below casing to total depth.
CHARACTERISTICS OF WELL TYPE «J»
* It has a shallow LAD.
* A section of construction (which may have more of a BUR).
* A section tangent.
APPLICATIONS OF WELLS TYPE «J»
* Deep wells with a wide horizontal scrolling.
* Moderately deep wells with a horizontal displacement moderate, which does not require a main intermediate.
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