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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7772004 | Method and device for determining petroleum characteristics of geologic sediments The invention relates to a method allowing to determine at least one petroleum characteristic of a geologic sediment sample, wherein the sample is heated in an oxidizing atmosphere, its temperature being successively raised to a first, then to a second value, said f... | 08/10/2010 |
| 7666679 | Method and device for analyzing the COcontained in a drilling fluid A method for estimating the quantity of CO2 present in a geologic formation and a device for implementing the method include the steps of penetrating the formation by a well drilled from the surface contacting formation with a fluid that travels from the ... | 02/23/2010 |
| 7372022 | Multipath data acquisition system and method Improved data acquisition systems and methods that enable large numbers of data samples to be accumulated rapidly with low noise are described. In one aspect, a data acquisition system includes an accumulator that has two or more parallel accumulation paths and is c... | 05/13/2008 |
| 7210342 | Method and apparatus for determining gas content of subsurface fluids for oil and gas exploration A process to analyze fluid entrained in well boreholes. The process includes gathering trap gas samples from return of drilling mud at multiple depths. The process also includes the steps of subjecting the samples to mass spectrometry in order to determine mass to c... | 05/01/2007 |
| 7201874 | System for automatically extracting and analyzing residual solvents in material samples A system for quickly and automatically extracting and analysing residual solvents is realised for operating directly in the premises where the packing materials are being manufactured, printed and/or laminated. The system provides for a single unit equipped w... | 04/10/2007 |
| 7192459 | Addition of odorants to gases for leak detection An apparatus for dispensing an odorant to a fluid in a vessel having an interior volume containing the fluid includes at least one odorant material and an odorant-permeable material. The at least one odorant material is disposed in the interior volume, the odorant m... | 03/20/2007 |
| 7159444 | Combustible gas detection systems and method thereof A system and method are provided for monitoring the levels of combustible gas in a gas stream. The system includes means for controlling the relative humidity of the the gas stream to maintain a humidity level in the performance range of combustible gas sensors. A n... | 01/09/2007 |
| 7153688 | Rock assay for predicting oil or gas in target reservoirs The present invention relates to assays for ascribing catalytic activity to rock samples by virtue of zero-valent transition metals potentially being present within the sample. Embodiments of the present invention are generally directed to novel assays for measuring... | 12/26/2006 |
| 7141211 | System for determining total sulfur content In order to determine the total sulfur content of a sample (1), the sample is uniformly combusted with a flame (8). The combustion product sulfur dioxide is fed to a gas chromatograph (15) in which it is separated from other combustion products ... | 11/28/2006 |
| 7129480 | Multipath data acquisition system and method Improved data acquisition systems and methods that enable large numbers of data samples to be accumulated rapidly with low noise are described. In one aspect, a data acquisition system includes an accumulator that has two or more parallel accumulation paths and is c... | 10/31/2006 |
| 7098034 | Systems and methods for assessing the presence of and/or the level of anti-stripping constituents in asphalt binders or asphalt mixtures Methods, systems, and computer program products analyze asphalt samples for anti-stripping agents by: obtaining a sample comprising asphalt binder material; sensing a selected parameter associated with the sample (such as the acidity and/or alkalinity of the sample)... | 08/29/2006 |
| 7078235 | Sulfur trioxide conditioning system control algorithm Optimizing fly ash resistivity by controlling concentration of sulfur trioxide (SO3) in flue gas by the use of an algorithm. ... | 07/18/2006 |
| 6939717 | Hydrogen sulphide detection method and apparatus Described is a downhole method and apparatus for detecting hydrogen sulphide in formation fluids produced in a hydrocarbon well. The sensor system is located within or in communication with an extraction chamber used to extract hydrogen sulphide in a gaseous state f... | 09/06/2005 |
| 6692970 | Automated carbon efflux system A method and apparatus are provided for measuring the gas efflux from a substrate. In particular, one or more measuring chambers receive a gas enriched air from the substrate. A respiration system sends reference air having a known gas concentration to th... | 02/17/2004 |
| 6378362 | In-situ Vadose zone remote sensor This invention provides saturated and unsaturated Vadose zone remote sample acquisition and in-situ contaminant character identification. The invention is addressed to the management of the Vadose zone. Matters of interest to the agricultural community ma... | 04/30/2002 |
| 6319717 | Thermal acid base accounting in mine overburden The present invention is a one-step thermal method for analyzing the acid-base content of earth samples, specifically mine overburden samples. By using a low oxygen concentration, preferably about 3%, the transition metal carbonates in the sample decompos... | 11/20/2001 |
| 6133041 | Hydrogen sulfide detection tube for alcoholic beverages A kit is provided for testing a gas produced from a sample for an absolute amount of a hydrogen sulfide. The kit includes a vessel for receiving the sample to be tested. The vessel includes one or more gas flow passages through which gas within the vessel... | 10/17/2000 |
| 6098423 | Method of preparing H2 S for an isotopic analysis A method which enables the sulphur and/or hydrogen contained in a low quantity in hydrogen sulphide to be prepared: 1) the H2 S is oxidized at a temperature and for a duration selected to obtain full oxidation of the H2 S into SO2 | 08/08/2000 |
| 5958777 | Device for determining CO2 and CO in a geologic sediment A device for determining at least one petroleum characteristic of a geologic sediment sample placed in a boat, said device including a first heater heating said sample in a non-oxidizing atmosphere, a measuring component determining hydrocarbon-containing... | 09/28/1999 |
| 5843787 | Method allowing the fast assessment of at least one petroleum characteristic of a rock sample-application to a reservoir comprising heavy oils A method allowing fast assessment of at least one petroleum characteristic of geologic sediments from a sample of these sediments, said method comprising heating the sample in a non-oxidizing atmosphere, and which method comprises different temperature ri... | 12/01/1998 |
| 5811308 | Method for determining petroleum characteristics of geologic sediments The present invention relates to a method for determining at least one petroleum characteristic of a geologic sediment sample heated in a non-oxidizing atmosphere and an oxidizing atmosphere. The sample is heated to a first temperature value below 200° C... | 09/22/1998 |
| 5786225 | Method for evaluating a pollution characteristic of a soil sample A method of evaluating at least on type of pollution characteristic in a soil sample contaminated by hydrocarbon compounds, a method wherein the soil sample is first heated in a non-oxidizing atmosphere, then in an oxidizing atmosphere. The method compris... | 07/28/1998 |
| 5633140 | Reaction vessel for immunological analysis of aerosols A unitary collection and displacement immunoassay device for determining a toxic substance adhered to aerosols in the air is provided. The device comprises an elongated body having proximal and distal ends and encloses a space defining a collection chambe... | 05/27/1997 |
| 5470749 | Method for determining steam quality using a foaming surfactant Steam quality is measured by mixing the steam with a small amount of surfactant to convert the steam to a stable foam, passing the stable foam through a capillary tube to determine foam quality (volume of vapor per volume of vapor and liquid) by measuring... | 11/28/1995 |
| 5416024 | Obtaining collective fluid inclusion volatiles for inclusion composition mapping of earth's subsurface A collective fluid inclusions volatiles sample is released from each of a plurality of sedimentary rock samples and analyzed as it is being released to determine composition thereof. Compositions are used for mapping the earth's subsurface.... | 05/16/1995 |
| 5389550 | Organic substance analyzing method and apparatus using portable construction An organic substance analyzing method is disclosed. A sample container 21 charged with a granulated rock sample is installed in a thermal cracking furnace 1. The thermal cracking furnace 1 is connected to a vacuum suction line 27 to be evacuated until a s... | 02/14/1995 |
| 5352412 | Apparatus for generating pyrolyzates of microscopic particles An optical microscope supports a housing having a closed chamber in which a particle to be pyrolyzed is disposed and is exposable to a targeting laser beam for precisely positioning the particle and a power laser beam for heating and pyrolyzing the select... | 10/04/1994 |
| 5328849 | Inclusion composition mapping of earth's subsurface using collective fluid inclusion volatile compositions A collective fluid inclusions volatiles sample is released from each of a plurality of sedimentary rock samples and analyzed as it is being released to determine composition thereof. Compositions are used for mapping the earth's subsurface.... | 07/12/1994 |
| 5320807 | Test kits for determining the chemical stability of a compost sample A test kit for determining the `total compost life`, and chemical stability of a moist compost sample, includes a transparent container for holding the compost sample, and a reactant mass, located within the container in the space not occupied by the comp... | 06/14/1994 |
| 5286651 | Determining collective fluid inclusion volatiles compositions for inclusion composition mapping of earth's subsurface A collective fluid inclusions volatiles sample is released from each of a plurality of sedimentary rock samples and analyzed as it is being released to determine composition thereof. Compositions are used for mapping the earth's subsurface. The sample is ... | 02/15/1994 |
| 5153139 | Method and apparatus for measuring the water soluble strong acids suspended in air Measurements of acids in air can be greatly falsified by the content of carbon dioxide in the air in spite of the low solubility of carbon dioxide in water and its low dissociation constant. When the measurements are made after a simple absorption of the ... | 10/06/1992 |
| 5147611 | Optical and pyrolyzate analyzer apparatus A heating and targeting laser beam and microscope apparatus optically senses, heats to generate a effluent fluid and chemically analyzes the thermal extract fluid or fluid pyrolyzates from a microscopic particle within a heterogeneous composite sample. A ... | 09/15/1992 |
| 5137830 | Post-compression method of measuring soil gas concentration and emission Measuring of soil gas flux. Particularly a method of measuring soil gas concentration and emission flux during a period of post-compression of the earth's crust. The method includes observing gravitational acceleration on the surface of the earth, as defi... | 08/11/1992 |
| 5082787 | Method of performing hydrous pyrolysis for studying the kinetic parameters of hydrocarbons generated from source material A method for studying the rate and type of hydrocarbon generated from a hydrocarbon source utilizes hydrous pyrolysis to generate hydrocarbons from the sample and then utilizes cryogenic methods to remove the fluid portions to a transfer vessel. The gaseo... | 01/21/1992 |
| 4965209 | Isotope analysis of closely adjacent minerals Method and apparatus are provided for analyzing closely adjacent minerals in specimens of naturally occuring minerals. A sectioned mineral sample is mounted on a glass slide and placed in a vacuum chamber. An optical microscope is used to examine the samp... | 10/23/1990 |
| 4898831 | Method and apparatus for analyzing fluid inclusions Method and apparatus for analyzing fluid inclusions. A sectioned mineral sample is mounted on a glass slide and placed in a vacuum chamber. An optical microscope is used to examine the sample through a window in the vacuum chamber to identify a single flu... | 02/06/1990 |
| 4816412 | Method for the determination of the content of solid carbon compounds in soil samples Method for the determination of the content of solid carbon compounds in soil samples, particularly in humus soils, by converting the solid carbon compounds with a reactant into carbon dioxide and conveying the carbon dioxide gas into an analyzer. To reac... | 03/28/1989 |
| 4798805 | Apparatus and process for pyrolysis and analysis of samples containing organic matter An apparatus for analysis of samples containing organic matter, especially of rock from oil drilling mud, including a loading arm hinged at its base to be movable from a tilted position when it receives a sample-bearing cartridge, which fits on the top of... | 01/17/1989 |
| 4765182 | System and method for hydrocarbon reserve evaluation During oil and gas well drilling operations, drilling fluid volume circulated per preselected vertical borehole increment drilled is continuously measured as well as the percentage by volume of hydrocarbon gas present in the return fluid. The gas is perio... | 08/23/1988 |
| 4629702 | Method for classifying the sedimentary kerogen for oil source A method for classifying kerogenous materials, e.g. materials found in raw rocks, sediments, and the like, is disclosed which comprises pyrolyzing a sample containing said materials, and analyzing the pyrolysis gases by gas chromatography and classifying ... | 12/16/1986 |
