Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Well log processing technique










Image Number 2 for United States Patent #4320458.

An illustrative embodiment described herein discloses an automatic method of determining correlations between characteristic signal elements corresponding to common recognizable features represented by sampled signals. Specific types of characteristic elements are detected and their boundary positions and characteristic parameters recorded. These records are sorted according to predefined procedures employing relative positions of the boundaries. Efficient references are generated to provide search bounds and elements located above and below each boundary.Specified types of elements are selected in a given order to provide a desired type of correlation. Compatible types of elements occurring within predefined search bounds are located and compared to determine corresponding elements. The comparison employs the use of the previously recorded characteristic parameters. As the correspondents are found, the search bounds are modified accordingly to guide the procedure in location of subsequent elements. The modification of the search bounds updates the previous references. The search bounds used for locating and comparing subsequent elements are consequently restricted to prevent miscomparison.Use of boundary positions of the detected elements in the correlation process allows a natural determination of correlation and search intervals. Comparison of the characteristic parameters allows correlation of features of unequal length without the necessity of resampling or warping one or more of the signals.When the correlation method is applied to dipmeter signals used to determine dip and strike information on subsurface formations penetrated by an exploration borehole, the displacements calculated from the resulting correlations produce more reliable and more detailed information than customary correlation methods.








 
 
  Recently Added Patents
Scanned image projection system employing intermediate image plane
Cooler
Process for the enzymatic reduction of enoates
Pausing multimedia data streams
Probe for ultrasound diagnostic apparatus
Parallel active optical cable
System for targeted delivery of therapeutic agents
  Randomly Featured Patents
Mask patterns for use in multiple-exposure lithography
Variable valve timing system
Apparatus for relay based multiple point process frequency response estimation and control tuning
Utensil
Adjustable write equalization for tape drives
Novelty sports glove
Water-soluble dextran fatty acid esters and their use as solubilizers
Hatch cover and associated personal watercraft system
Reading desk
F18-labeled oxa fatty acids and methods of making and using the same