Class 166/250.12 - Tracer

Subclass of Class 166 - Wells
Definition: Indicating involving the use of an easily detectable material
No. of applications: 22
Last issue date: 05/03/2012

Application No.	Application Title	Issue Date
20120103602	Systems, Methods, and Devices for Tagging Carbon Dioxide Stored in Geological Formations Methods and systems for tagging carbon dioxide to be stored in a geologic formation are disclosed. In some embodiments, a method includes: providing a carbon dioxide tracer that is quantifiable and distinguishable versus non-anthropogenic produced carbon dioxide; provid...	05/03/2012
20110320128	System and Method For Conformance Control In A Subterranean Reservoir A system and method for optimizing the design of a conformance control treatment for a subterranean reservoir is disclosed. The system and method include performing tracer analysis between an injection well and a production well. A flow capacity and storage capacity cur...	12/29/2011
20110303408	CONCENTRATION OF MINOR CONSTITUENT OF WELLBORE FLUID A method of processing an aqueous fluid produced from a wellbore in order to collect or remove a minor constituent therefrom, comprises adding one or more solutes to the aqueous fluid so as to form an aqueous mixture which separates into two aqueous phases in contact wi...	12/15/2011
20110290480	Surface detection of failed open-hole packers using tubing with external tracer coatings Distinctive and analytically distinguishable water-soluble and oil-soluble tracer compositions are applied as coatings to the exterior surface of one or more lengths of production tubing installed in a horizontal well bore between open-hole packers adjacent one or more ...	12/01/2011
20110277996	SUBTERRANEAN FLOW BARRIERS CONTAINING TRACERS Some aspects of the present disclosure include monitoring fluid flow in a subterranean reservoir. In some implementations, a sealant mixture is injected into a subterranean reservoir to form a flow barrier in the subterranean reservoir. The sealant mixture includes a se...	11/17/2011
20110240287	DETECTION OF TRACERS USED IN HYDROCARBON WELLS In an arrangement for monitoring of flow within a hydrocarbon well or reservoir by means of one or more tracers which are placed at subterranean locations such that they may be present in flow produced from the well, the analysis of the flow produced from the well is ca...	10/06/2011
20110146974	DELIVERY OF NANODISPERSIONS BELOW GROUND Delivery of a substance to a subterranean location is achieved by suspending the substance as nanoparticles in a carrier fluid in which the substance is insoluble. The procedure may start by forming a dispersible powder composition, which is done by dissolving the subst...	06/23/2011
20100314108	Dual-Function Nano-Sized Particles Dual-function nano-sized particles or nanoparticles may be effective at fixating or reducing fines migration and they may facilitate identification of a particular zone in a well having more than one zone. In some embodiments the dual-function nanoparticles are tagged w...	12/16/2010
20100307745	USE OF ENCAPSULATED TRACERS A process of making observations of a subterranean reservoir penetrated by a wellbore uses distinguishable sets of tracer particles and comprises steps of: (i) delivering a plurality of sets of trace...	12/09/2010
20100307744	USE OF ENCAPSULATED CHEMICAL DURING FRACTURING A process for hydraulic fracturing of a subterranean reservoir formation penetrated by a wellbore includes pumping a fracturing fluid or other aqueous fluid which is an aqueous suspension of particles which each comprise an oilfield chemical distributed within an encaps...	12/09/2010
20100212891	Swellable Material Activation and Monitoring in a Subterranean Well Systems and methods are provided for swellable material activation and monitoring in a subterranean well. A sensor system for use in a subterranean well includes a swellable material, and at least one sensor which is displaced to a wellbore surface in response to swelli...	08/26/2010
20100206558	APPARATUS AND METHOD FOR INSTANTANEOUSLY INJECTING TRACER FOR GROUNDWATER WELL There is provided an apparatus for injecting a tracer within a groundwater observation well, which is capable of sequentially performing a tracer test by depth by injecting the tracer to a predetermined depth within the groundwater observation well. More particularly, t...	08/19/2010
20100193184	SYSTEM AND METHOD OF MONITORING FLOW IN A WELLBORE A system and method for releasing a marker within a wellbore is provided. The system and method includes a sensor that detects movement or a position of the marker within the wellbore. The marker may be released in drilling fluid, for example, and may travel from the su...	08/05/2010
20100089571	Coiled Tubing Gamma Ray Detector A downhole tool for use in coiled tubing well operations. The tool includes a gamma ray detector for determining well location information for an associated coiled tubing application. The well location information may relate to well depth and/or the locating and identif...	04/15/2010
20100044036	TRACER INJECTOR TOOL FOR WELL INVESTIGATION A tool system for monitoring a flow of liquid within a borehole. The tool system comprises a plurality of tools disposed on a longitudinal axis of the tool system. The plurality of tools comprises at least a first injector tool for ejecting in the borehole a tracer and ...	02/25/2010
20090211754	WirelessTag Tracer Method and Apparatus A fluid can be tracked in a wellbore utilizing at least one WID tag, such as an LW tag or an RFID tag, entrained in the fluid. A WID tag reader can be disposed and/or displaced in the wellbore, for example, on a drill string or a casing string. A reader can be utilized ...	08/27/2009
20090126995	Downhole abrading tool having taggants for indicating excessive wear A downhole abrading tools has a body with a first end for connection with a rotating component of a drill string, and a cutting end for rotation in unison with the body, the cutting end having an abrading matrix containing an abrasive material for rotating engagement wi...	05/21/2009
20090107667	DOWNHOLE SPECTROSCOPIC HYDROGEN SULFIDE DETECTION Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide formi...	04/30/2009
20090095470	Downhole abrading tools having excessive wear indicator A downhole abrading tool having a body with a first end for connection to a drill string, a cutting end, a drilling fluid passageway, a restrictor disposed within drilling fluid passageway, and an indicator chamber is disclosed. Upon exposure of the indicator chamber to...	04/16/2009
20080202747	Methods of marking a zone of a wellbore for localizing the source of produced particulate A method of localizing the source of a particulate produced with a fluid through a wellbore is provided, the method comprising the steps of: (A) providing marking composition comprising at least one marker that: (i) is capable of binding with a particulate; and (ii) has...	08/28/2008
20080133193	Methods for estimating properties of a subterranean formation and/or a fracture therein Methods that include a method of determining one or more approximate properties of a subterranean formation and/or a fracture therein comprising: obtaining fluid identity data for a plurality of flowback fluid samples; and using a reservoir model, with the fluid identit...	06/05/2008
20080000690	Downhole abrading tool having taggants for indicating excessive wear A downhole abrading tools has a body with a first end for connection with a rotating component of a drill string, and a cutting end for rotation in unison with the body, the cutting end having an abrading matrix containing an abrasive material for rotating engagement wi...	01/03/2008

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Class 166/250.12 - Tracer