Spatial homing method for highly deviated wells
A space homing and high-inclination well technology, which is applied in earthwork drilling, wellbore/well components, measurement, etc., can solve problems such as well deviation errors and well trajectory errors, and achieve good operability, simple application, and high-tech clear thinking effect
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[0018] In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments are listed below and described in detail in conjunction with the accompanying drawings.
[0019] like figure 1 as shown, figure 1 It is a flow chart of the highly deviated well space homing method of the present invention.
[0020] In step 101, stratigraphic correlation is carried out for completed wells and the oil-gas-water contact is determined to determine whether there is a contradiction in the oil-gas-water relationship. Firstly, the well deviation data provided by drilling are displayed in three-dimensional space, and the relative relationship with the surrounding wells is preliminarily judged whether it is reasonable. Then carry out stratigraphic comparison with the surrounding wells, and accurately divide the sublayers according to the comparison marks in the area. For the sublayers that encounter the oil-gas-water contact,...
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