The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8960280 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 24, 2015

Filed:

Jan. 23, 2013
Applicant:

Microseismic, Inc., Houston, TX (US);

Inventors:

Jonathan P. McKenna, Golden, CO (US);

Nathan M. Toohey, Golden, CO (US);

Assignee:

Microseismic, Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/14 (2006.01); G01V 1/30 (2006.01);
U.S. Cl.
CPC ...
G01V 1/308 (2013.01);
Abstract

A method for determining fracture plane orientation from seismic signals detected above a subsurface formation of interest includes detecting seismic signals using an array of seismic sensors deployed above the subsurface formation during pumping of a hydraulic fracture treatment of the subsurface formation. A time of origin and a spatial position of origin (hypocenter) of microseismic events resulting from the hydraulic fracture treatment are determined. Time consecutively occurring ones of the hypocenters falling within a selected temporal sampling window are selected. A best fit line through the selected hypocenters using a preselected linear regression coefficient is determined. The selecting hypocenters and determining best fit lines is repeated for a selected number of windows.


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McKenna, Jonathan. (2015). Method for determining fracture plane orientation using passive seismic signals (U.S. Patent No. 8960280). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8960280

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