Method and apparatus for verifying a well model

#This application is the U.S. national phase of International Application No. PCT/EP2015/055506 filed 17 Mar. 2015, which designated the U.S. and claims priority to EP Patent Application No. 14160528.7 filed 18 Mar. 2014, the entire contents of each of which are hereby incorporated by reference.

#The present invention relates to a method for verifying a well model. Furthermore, the present invention relates to a well model verifying apparatus, to a well model verifying system and to a computer readable storage medium.

#An existing well for production of hydrocarbon-containing fluid may be represented by a series of data values in order to facilitate downhole operation. For example, during the design phase (i.e. before drilling), the well bore is defined in terms of dimensions and directions. Typically, these data values are arranged in a table so that the entire well is represented numerically. During the drilling operation, new values may be added to the table so that the table also includes real values obtained during the drilling operation. An additional table may also be provided including data relating to the completion, i.e. information about casing length, casing components etc.

#The invention and its many advantages will be described in more detail below with reference to the accompanying schematic drawings, which for the purpose of illustration show some non-limiting embodiments and in which

#FIG. 1 shows a visual representation of a well model according to an embodiment;

#FIG. 2 shows a visual representation of a well model according to a further embodiment;

#All the figures are highly schematic and not necessarily to scale, and they show only those parts which are necessary in order to elucidate the invention, other parts being omitted or merely suggested.

#FIG. 1 shows an example of a visualisation of a 3D model 100 for a user. The model 100 forms a representation of various available well data, so-called a priori data. The model 100 is preferably represented in three dimensions using orthogonal coordinates, such as the Cartesian coordinates used in FIG. 1. The model 100 allows a user to zoom in and zoom out for visualising different levels of well details also while the tool is operating. FIG. 1 shows an overview of the well, whereby the model 100 is configured to show the entire extension of the well from its upper end to its lower end, including all laterals.

#In FIG. 2, the model 100 is used to visualise a portion 110 of the well in further detail. The model 100 does not only comprise data of how the well 110 is propagating through the coordinate system, but the model may also, in cases where the existing well is at least to some extent ready for production, include detailed information on well completion 112, packer position 114, tool 116 propagation and operation, etc. Hence, it is possible for a user, or an operator, to actually use the model for retrieving various types of data of the well.