Matches 1 - 33 out of 33


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US20130032333 METHODS FOR MONITORING BACTERIA USING OPTICOANALYTICAL DEVICES  
In or near real-time monitoring of fluids can take place using an opticoanalytical device that is configured for monitoring the fluid. Fluids can be monitored prior to or during their introduction...
US20140116682 MICROBIAL PROCESSES FOR INCREASING FLUID MOBILITY IN A HEAVY OIL RESERVOIR  
Methods are provided for increasing overall fluid mobility in a near-wellbore region in an oil sands reservoir, for example in a reservoir having an inter-well region between a first well and a...
US20120241148 CONTROL OF FLUID FLOW DURING TREATMENT OF SUBTERRANEAN SITES USING WELL FLUID INJECTION  
Disclosed herein is a method to control distribution of injected microorganisms, nutrients or other chemical treatment fluids from a single injection well to multiple production wells. The sweep...
US20140202684 IN-SITU ACID STIMULATION OF CARBONATE FORMATIONS WITH ACID-PRODUCING MICROORGANISMS  
Methods of treating a subterranean formation penetrated by a wellbore of a well, wherein the subterranean formation includes carbonate. The methods can include the following steps of: (1)...
US20140034297 DISPERSION OF COMPOUNDS FOR THE STIMULATION OF BIOGENIC GAS GENERATION IN DEPOSITS OF CARBONACEOUS MATERIAL  
Methods of dispersing an activation agent, nutrient, or both to a carbonaceous material to stimulate production of a biogenic gas are described. The methods may include accessing a subterranean...
US20140090833 Methods for Treating Wellbore and Wellbore Operation Fluids  
Method comprising providing a portion of a subterranean formation having a first formation bacterial count as a result of the presence of a plurality of bacteria in the formation; providing a...
US20120292022 COMPOSITION FOR IMPROVING OIL RECOVERY INCLUDING N-LAUROYL AMINO ACID-BASED COMPOUNDS AND MICROBES  
Chemical compounds that are N-lauroyl amino acids or derivatives thereof were found to have oil-releasing activity. Solutions containing these compounds and microorganisms having oil release...
US20130160994 REDUCING SULFIDE IN PRODUCTION FLUIDS DURING OIL RECOVERY  
Methods are provided for treating production fluid in a production well in an oil reservoir to reduce the amount of sulfide in the production fluid. The production fluid is treated with nitrate...
US20150075776 OPTIMIZATION OF BIOGENIC METHANE PRODUCTION FROM HYDROCARBON SOURCES  
The present invention is directed to a method for enhancing biogenic methanogenesis in carbon-containing materials. The process includes evaluating existing geophysical conditions in a site,...
US20130075085 USE OF GLUTAMATE FOR MICROBIAL ENHANCED OIL RECOVERY  
Methods and compositions are provided to enhance oil recovery wherein the indigenous microbial population of an oil reservoir is fed a composition containing glutamate and an electron acceptor....
US20130319656 ENZYME BREAKERS AND METHODS FOR FLUID SYSTEMS  
This invention relates to slurry compositions and their use in oil field applications. In particular, this invention is directed to slurry compositions comprising non-saccharide polymers (for use...
US20140367087 METHOD OF MODIFICATION IN OIL RESERVOIRS USING RESIDENT MICROORGANISMS AND NUTRIENT SUPPLEMENTATION THROUGH BIOLOGICAL WETTABILITY ALTERATION  
A method for improving oil recovery includes determining a specific nutrient package or formulation for stimulating and altering resident microorganisms to increase wettability of reservoir rock...
US20140202685 IN-SITU ACID STIMULATION OF CARBONATE FORMATIONS WITH ACID-PRODUCING MICROORGANISMS  
Methods of treating a subterranean formation penetrated by a wellbore of a well, wherein the subterranean formation includes carbonate. The methods can include the following steps of: (1)...
US20140352945 Degrading Wellbore Filtercake with Acid-Producing Microorganisms  
A method of degrading a filtercake in an interval of a wellbore penetrating a subterranean formation is provided, wherein the filtercake includes a gelled or solid material that can be dissolved...
US20140069635 EMULSIONS TO ENHANCE MICROBIAL ACTIVITY IN A RESERVOIR  
The present application relates to methods of repressurizing petroleum reservoirs by increasing the rate of methane production.
US20120255726 IN-SITU MICROBIAL OXYGEN GENERATION AND HYDROCARBON CONVERSION IN A HYDROCARBON CONTAINING FORMATION  
A method for in-situ microbial oxygen generation in an underground hydrocarbon containing formation comprises: injecting into the formation an oxygen generating composition comprising thermophilic...
US20060060350 Method for the treatment and prevention of asphaltene-paraffin-vax precipitates in oil-wells, wellheads and pipelines by the use of biocolloid suspensions  
The method for the prevention, reduction and/or removal of asphaltene-paraffin-vax precipitates on surfaces in contact with crude oil within oil-wells from bottom hole to well head, in flow lines...
US20130153209 SHEWANELLA ENRICHMENT FROM OIL RESERVOIR FLUIDS  
Methods for enriching microbial populations that are indigenous to oil reservoir fluids to obtain Shewanella-enriched populations and isolated Shewanella strains useful for enhancing oil recovery...
US20100051268 OIL EXTRACTION SYSTEM AND OIL EXTRACTION SUPERVISORY SYSTEM  
An oil extraction system is provided. The oil extraction system includes a sucker rod pump (10) provided for a production well (2) so as to pump up crude oil; a signal detecting section (12) for...
US20050034856 Microbial growth inhibiting material and method of forming  
The invention includes methods of inhibiting microbial growth in a well. A packing material containing a mixture of a first material and an antimicrobial agent is provided to at least partially...
US20150000908 ALTERING THE INTERFACE OF HYDROCARBON-COATED SURFACES  
Methods and compositions are provided wherein microorganisms are used to alter the interface of hydrocarbons and hydrocarbon-coated surfaces to increase oil recovery, for improved bioremediation...
US20140000874 REDUCING SULFIDE IN OIL RESERVOIR PRODUCTION FLUIDS  
Methods are provided for treating an oil reservoir to reduce the amount of sulfide in the production fluid obtained from a production well. The production fluid is treated with nitrate and/or...
US20120138290 METHODS TO STIMULATE BIOGENIC METHANE PRODUCTION FROM HYDROCARBON-BEARING FORMATIONS  
The present invention describes methods of stimulating the biogenic production of methane in hydrocarbon-bearing formations. The present application provides various stimulants which, when...
US20130269942 METHOD AND SYSTEM FOR SEALING A VOID IN AN UNDERGROUND WELLBORE  
Voids (14) in a underground wellbore (1) are sealed by:—inserting a corrosion prone object (10A-C, 12) in the void injecting an oxidizing agent into the void (14); and—allowing the oxidizing agent...
US20100252255 Increased microbial production of methane gas from subsurface hydrocarbon containing formations  
Methods and compositions are provided for increasing methane gas produced or released from a subsurface hydrocarbon containing formation containing methanogenic microorganisms. The methods and...
US20090200015 METHOD AND LIQUID FOR INCREASING THE RECOVERY FACTOR IN OIL RESERVOIRS  
This invention deals with a method for increasing the recovery factor in oil reservoirs through the injection of polymerization precursor liquids with low viscosity for the production of...
US20140299314 METHOD FOR THE USE OF NITRATES AND NITRATE REDUCING BACTERIA FOR MITIGATING BIOGENIC SULFIDE PRODUCTION  
A method of controlling sulfides in a fluid including determining selected conditions of the fluid and selecting a nitrogen reducing bacteria (NRB) based on those conditions. The method further...
US20150322331 ALTERING THE INTERFACE OF HYDROCARBON-COATED SURFACES  
Methods and compositions are provided wherein microorganisms are used to alter the interface of hydrocarbons and hydrocarbon-coated surfaces to increase oil recovery, for improved bioremediation...
US20120006538 METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS  
A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells...
US20160145978 METHOD TO ENHANCE MICROBIAL GAS PRODUCTION FROM UNCONVENTIONAL RESERVOIRS AND KEROGEN DEPOSITS  
A biostimulation method comprising injecting sulfur dioxide into water producing H+, SO2, SO3=, HSO3−, dithionous acid (H2S2O4), and other sulfur intermediate reduction products in sulfurous acid,...
US20120006541 METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS  
A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells...
US20140008058 METHODS FOR INCREASING METHANOGENESIS IN SUBSURFACE RESERVOIRS  
Methods for increasing the increasing the rate of methane production in a subsurface reservoir are provided.
US20120205097 Method of Enhance the Production Capacity of an Oil Well  
A method to increase oil production from an oil well comprising a plurality of production zones is presented, wherein the method selects a production zone, isolates that selected production zone,...

Matches 1 - 33 out of 33