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Title: Waterflooding injectate design systems and methods

Abstract

A method of designing an injectate to be used in a waterflooding operation is disclosed. One aspect includes specifying data representative of chemical characteristics of a liquid hydrocarbon, a connate, and a reservoir rock, of a subterranean reservoir. Charged species at an interface of the liquid hydrocarbon are determined based on the specified data by evaluating at least one chemical reaction. Charged species at an interface of the reservoir rock are determined based on the specified data by evaluating at least one chemical reaction. An extent of surface complexation between the charged species at the interfaces of the liquid hydrocarbon and the reservoir rock is determined by evaluating at least one surface complexation reaction. The injectate is designed and is operable to decrease the extent of surface complexation between the charged species at interfaces of the liquid hydrocarbon and the reservoir rock. Other methods, apparatus, and systems are disclosed.

Inventors:
;
Issue Date:
Research Org.:
SNL-A (Sandia National Laboratories, Albuquerque, NM (United States))
Sponsoring Org.:
USDOE
OSTI Identifier:
1150219
Patent Number(s):
8,812,271
Application Number:
13/226,276
Assignee:
Sandia Corporation (Albuquerque, NM)
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Brady, Patrick V., and Krumhansl, James L. Waterflooding injectate design systems and methods. United States: N. p., 2014. Web.
Brady, Patrick V., & Krumhansl, James L. Waterflooding injectate design systems and methods. United States.
Brady, Patrick V., and Krumhansl, James L. Tue . "Waterflooding injectate design systems and methods". United States. https://www.osti.gov/servlets/purl/1150219.
@article{osti_1150219,
title = {Waterflooding injectate design systems and methods},
author = {Brady, Patrick V. and Krumhansl, James L.},
abstractNote = {A method of designing an injectate to be used in a waterflooding operation is disclosed. One aspect includes specifying data representative of chemical characteristics of a liquid hydrocarbon, a connate, and a reservoir rock, of a subterranean reservoir. Charged species at an interface of the liquid hydrocarbon are determined based on the specified data by evaluating at least one chemical reaction. Charged species at an interface of the reservoir rock are determined based on the specified data by evaluating at least one chemical reaction. An extent of surface complexation between the charged species at the interfaces of the liquid hydrocarbon and the reservoir rock is determined by evaluating at least one surface complexation reaction. The injectate is designed and is operable to decrease the extent of surface complexation between the charged species at interfaces of the liquid hydrocarbon and the reservoir rock. Other methods, apparatus, and systems are disclosed.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {8}
}

Patent:

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