petrel地质建模软件断距计算方法

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Fault Throw

Background The offset along a fault can be measured by using the Measure Distance tool on faults that have been filtered for a certain horizon. Measuring this distance at several places along your faults will give you an approximation of the vertical displacement of a horizon. For more accurate data, you can use this workflow that calculates the exact throw at a regular interval along all your faults. Result The workflow calculates the throw along given faults for a specific horizon. This will be outputted as a point set with a Throw attribute. Intermediate results of this workflow that will be kept are a folder containing fault sticks for all faults in the model, and a polygon and point set that outline the intersection between the faults / fault sticks and the horizon.

Prerequisites

For this workflow one needs to have a Model with faults and horizons, for which you want to calculate the throw. These will be dropped into the first few lines of the workflow as input data. The project already contains some Reference Data that will be used during the workflow. These can be copied over to your project, when also transferring the Workflow. Alternatively, you can create your own.

The workflow calculates the

throw as distance along the

pillars of the 3D grid. One can

check the settings for the fault

throw point set that is created

to get more insight into the

displacement along the faults

for a given horizon. Under

statistics the range and

average values can be viewed,

and in the histogram tab one

can have a closer look at the

distribution of the fault throw.

The output point set can be

used to make a surface with a

throw attribute, allowing you to

have a clear visual display of

the displacement.

Workflow Specifics Workflow Specifics

Petrel Version

2009.1

Domain

Geology

Modules

Geoscience Core or Combined Core

Expert Level

Intermediate

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