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.

Date of Patent:
Aug. 22, 2017

Filed:

Mar. 06, 2015
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Ayman Raja Al-Nakhli, Dhahran, SA;

Hazim Hussein Abass, Dhahran, SA;

Ali A. Al-Taq, Dhahran, SA;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/62 (2006.01); C09K 8/68 (2006.01); E21B 43/26 (2006.01); C09K 8/92 (2006.01); E21B 36/00 (2006.01); E21B 43/24 (2006.01);
U.S. Cl.
CPC ...
C09K 8/68 (2013.01); C09K 8/62 (2013.01); C09K 8/92 (2013.01); E21B 36/008 (2013.01); E21B 43/2405 (2013.01); E21B 43/26 (2013.01);
Abstract

Provided is a method and composition for the in-situ generation of synthetic sweet spots in tight-gas formations. The composition can include nitrogen generating compounds, which upon activation, react to generate heat and nitrogen gas. The method of using the composition includes injecting the composition into a tight-gas formation such that upon activation, heat and nitrogen gas are generated. Upon the generation of nitrogen gas and heat within the formation, microfractures are produced within the formation and the hydrostatic pressure within the reservoir is reduced to less than the reservoir fluid pressure, such that the rate of production of hydrocarbons from the formation is increased.


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