Shale gas layered well tying collision risk prediction and early warning method under constraint of structural model
A technology for constructing models and collision risks, applied in prediction, drilling equipment and methods, directional drilling, etc., can solve problems such as deviations between geological data and design data, collisions between new drilling and adjacent wells, etc. Design speed, improve scientific effect
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[0027] The embodiment is basically as attached figure 1 As shown in Fig. 1, the method for predicting and early warning of well collision risk in stratified shale gas under the constraint of structural model includes the following steps:
[0028] S1. Establishing a database: the database contains well site data and geological engineering data, wherein the well site data includes the well deviation data of existing horizontal wells, the actual coordinates of the A target point and the actual B target point coordinates of the horizontal well, and the geological engineering data includes stratum analysis. layer data.
[0029] S2. Establish geological structure model: establish a three-dimensional geological structure model based on geological engineering data, and import the drilling trajectory of existing horizontal wells into the geological structure model according to well site data.
[0030] S3. Design well data import: import the design trajectory of the design well into th...
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