Method for analyzing strain data
First Claim
1. A method for estimating a shape of a structure, the method comprising:
- selecting a structure comprising a plurality of strain sensors in operable communication with the structure, each strain sensor configured to provide a measurement of strain experienced by the structure;
placing the structure in a borehole;
receiving the strain measurements from the plurality of strain sensors using a processing unit;
creating a mesh grid comprising nodes overlaid upon a surface of the structure using the processing unit, each node related to a location of one strain sensor and assigned a strain value measured by the one strain sensor;
creating an additional node overlaid upon the surface of the structure for the mesh grid using the processing unit wherein a strain value assigned to the additional node is derived from the strain value corresponding to at least one adjacent node; and
performing an inverse finite method using the mesh grid with the assigned strain values to estimate the shape of the structure using the processing unit;
wherein the additional node for the mesh grid is created before performing the inverse finite method.
2 Assignments
0 Petitions
Accused Products
Abstract
A method for estimating a shape, the method including: selecting a structure comprising a plurality of strain sensors inoperable communication with the structure, each strain sensor configured to provide a strain measurement; placing the structure in a borehole; receiving the strain measurements from the plurality of strain sensors; creating a mesh grid having nodes, each node related to a location of one strain sensor and assigned a strain value measured by the one strain sensor; creating an additional node for the mesh grid wherein a strain value assigned to the additional node is derived from the strain value corresponding to at least one adjacent node; and performing an inverse finite method using the mesh grid with the assigned strain values to estimate the shape.
-
Citations
20 Claims
-
1. A method for estimating a shape of a structure, the method comprising:
-
selecting a structure comprising a plurality of strain sensors in operable communication with the structure, each strain sensor configured to provide a measurement of strain experienced by the structure; placing the structure in a borehole; receiving the strain measurements from the plurality of strain sensors using a processing unit; creating a mesh grid comprising nodes overlaid upon a surface of the structure using the processing unit, each node related to a location of one strain sensor and assigned a strain value measured by the one strain sensor; creating an additional node overlaid upon the surface of the structure for the mesh grid using the processing unit wherein a strain value assigned to the additional node is derived from the strain value corresponding to at least one adjacent node; and performing an inverse finite method using the mesh grid with the assigned strain values to estimate the shape of the structure using the processing unit; wherein the additional node for the mesh grid is created before performing the inverse finite method. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A system for estimating a shape of a structure disposed downhole, the system comprising:
-
the downhole structure; a plurality of strain sensors in operable communication with the downhole structure, each strain sensor providing a measurement of strain experienced by the downhole structure; and a processing unit in operable communication with the plurality of strain sensors wherein the processing unit; processes the strain measurements from the strain sensors; creates a mesh grid comprising nodes overlaid upon a surface of the structure, each node related to a location of one strain sensor and assigned a strain value measured by the one strain sensor; creates an additional node overlaid upon the surface of the structure for the mesh grid wherein a strain value assigned to the additional node is derived from the strain value corresponding to at least one adjacent node; and performs an inverse finite method using the mesh grid with the assigned strain values to estimate the shape; wherein the additional node for the mesh grid is created before the processing unit performs the inverse finite method. - View Dependent Claims (15, 16, 17, 18, 19)
-
-
20. A non-transitory computer readable medium containing computer instructions stored therein for estimating a shape of a structure disposed downhole by causing a computer processor to perform steps of:
-
receiving strain measurements from a plurality of strain sensors in operable communication with the downhole structure, each strain sensor providing a measurement of strain experienced by the downhole structure; creating a mesh grid comprising nodes overlaid upon a surface of the structure, each node related to a location of one strain sensor and assigned a strain value measured by the one strain sensor; creating an additional node overlaid upon the surface of the structure for the mesh grid wherein a strain value assigned to the additional node is derived from the strain value corresponding to at least one adjacent node; performing an inverse finite method using the mesh grid with the assigned strain values to estimate the shape; and at least one of recording the shape and displaying the shape to a user; wherein the additional node for the mesh grid is created before performing the inverse finite method.
-
Specification