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US20090026359 METHOD TO SIMULTANEOUSLY DETERMINE PORE HYDROCARBON DENSITY AND WATER SATURATION FROM PULSED NEUTRON MEASURMENTS  
A method comprising using inelastic and capture gamma-ray count rates from two detectors in a borehole logging tool and determining formation water saturation. In this method the formation water...
US20070108380 MEASURING INFLOW PERFORMANCE WITH A NEUTRON LOGGING TOOL  
A method for evaluating an inflow performance for completed intervals in a well includes pulsing neutrons into a fluid flow in the wellbore, detecting gamma rays from decays of nitrogen-16 in the...
US20050139759 Lifetime pulsed neutron/chlorine combination logging tool  
Methods and apparatus for logging a wellbore and determining a presence or absence of a hydrocarbon bearing formation are disclosed. A sonde includes at least two gamma radiation detectors that...
US20090114807 LWD Azimuthal Pulsed Neutron Lithology Imaging Tool  
Measurements made by a pulsed neutron tool with two or more gamma ray detectors are used to provide a mineralogical and/or elemental image of the formation. This may be used in reservoir...
US20120068060 METHOD FOR THROUGH-CASING 3-PHASE SATURATION DETERMINATION  
A method for estimating a parameter of interest of an earth formation having a fluid contained in pores of the earth formation, the method includes: conveying a carrier through a borehole...
US20120326017 METHOD OF CALCULATING FORMATION CHARACTERISTICS  
A method of calculating a formation characteristic includes measuring with at least two detectors spaced apart from each other an intensity of gamma rays, and calculating the formation...
US20150090871 DOWNHOLE CEMENT EVALUTION USING PULSED NEUTRON MEASUREMENTS  
Estimating cement voids in between a casing and a borehole wall of a borehole penetrating the earth formation includes forming with a computing device an actual ratio of radiation induced by a...
US20170108611 Scale Identifier  
Scale identifier systems and methods for generating a log of scale type and location in subterranean formations, and, more particularly, in wellbore tubing are provided. A method for scale...
US20160349399 BOREHOLE FLUID AND/OR CASING EFFECT CORRECTION FOR PULSED NEUTRON MEASUREMENTS  
A method for determining hydrogen index includes using measurements of gamma rays detected during operation of a pulsed neutron source and numbers of thermal neutron capture gamma rays made at at...
US20160003969 Pulsed Neutron Well Logging Method For Determining Multiple Formation Parameters  
A method for well logging includes emitting a plurality of bursts of high energy neutrons into a wellbore and formations surrounding the wellbore. During and for a selected duration after at least...
US20160003025 Casing Inspection Using Pulsed Neutron Measurements  
A method for evaluating wellbore conduit condition includes using measurements of at least one of (i) inelastic gamma rays made during emission a burst of neutrons into the conduit from within the...
US20150369956 SYSTEMS, COMPUTER MEDIUM AND COMPUTER-IMPLEMENTED METHODS FOR LOGGING USING A LOGGING TOOL WITH ADJUSTABLE DETECTORS  
Provided are embodiments of systems, computer medium and computer-implemented methods for logging using a customizable logging tool. In some embodiments, the logging tool is capable of being...
US20150090870 FORMATION IMAGING USING NEUTRON ACTIVATION  
A method for determining azimuthal formation information using neutron activation, wherein the formation is activated by a neutron source and the activation signal is measured by at least one...
US20120091329 METHOD FOR HYDROCARBON SATURATION AND HYDRAULIC FRAC PLACEMENT  
A method for estimating a property of an earth formation, the method includes: conveying a carrier through a borehole penetrating the earth formation; irradiating the formation with neutrons from...
US20100332138 PULSED NEUTRON BASED MONITORING OF CO2 IN ENHANCED RECOVERY AND SEQUESTRATION PROJECTS  
A method for estimating a concentration of carbon dioxide (CO2) in a formation penetrated by a borehole, the method includes: conveying a carrier through the borehole; irradiating the formation...
Matches 1 - 15 out of 15