An NMR-based system (10) to analyze one or more of the following: (i) crude oil property, (ii) crude oil rheology of crude oil, comprising an NMR device (11) for providing time and/or batch resolved NMR analysis and/or crude oil rheological profile, said NMR having a crude oil inflow pipe (13), and is in a fluid connection (14) with a crude oil refinery facility (12); wherein said system further comprising a computer readable medium configured to store a retrievable crude oil NMR analysis and/or crude oil rheological profile of a desired crude oil product (standard crude oil product, SCOP), thereby providing said system means to compare NMR analysis and/or crude oil theological profile of said SCOP with said time or batch resolved crude oil.

A system and a method for applying .sup.13C or .sup.1H NMR spectroscopy to a sample of oil in order to calculate and assign an indicative property such as cetane number, pour point, cloud point, aniline point and/or octane number of a gas oil or naphtha fraction of the crude oil.

A method for detecting net relative motion between a nuclear magnetic resonance (NMR) tool and a specimen includes disposing the NMR tool and the specimen in sensory range of one another, causing the NMR tool to make NMR measurements of the specimen, and processing the NMR measurements to detect net relative motion between the NMR tool and the specimen.

Provided is a coreflood system that comprises a housing including an inlet end and an outlet end, an inlet positioned at the inlet end, and an outlet positioned at the outlet end. The system includes two chambers positioned within the housing between the inlet and the outlet, configured to retain porous media. The two chambers are in series along a fluid flow pathway through the coreflood system. The system includes a partition extending from an inner surface of the housing between the inlet and the outlet, and a pH sensor provide in a sensor mounting location in the housing having access to the fluid flow pathway. Further provided is a method that comprises directing a fluid into a coreflood system, and using a data processing device coupled to the pH sensor to collect hydrogen ion data and determine hydrogen ion concentration and pH within the fluid.

A method and device for characterizing microbial carbonate pores, and a server. Acquiring a user's detailed observational description of a profile of a microbial carbonate to be analyzed, and determining a full-diameter core sample on the microbial carbonate; performing pore characterization and a first pore test on the full-diameter core sample to determine a centimeter-scale pore parameter; determining a sampling position on the full-diameter core sample, and sampling on the full-diameter core sample to obtain a plunger sample; performing a second pore test on the plunger sample to determine a millimeter-scale pore parameter; determining a sampling position on the plunger sample according to the millimeter-scale pore parameter, and sampling on the plunger sample to obtain a scanning electron microscope (SEM) sample and a casting thin section sample; and performing a pore test on the SEM sample and the casting thin section sample to determine a micron-to-nanoscale pore parameter.

A method for determining maximum recoverable hydrocarbon (EMR) in a tight reservoir is disclosed. The method includes determining, based on downhole logs, a total measure of hydrocarbon amount within the tight reservoir, determining, by at least attributing fluid loss during core surfacing of the core sample to hydrocarbons, a non-recoverable measure of hydrocarbon amount within a core sample of the tight reservoir, and determining an EMR measure based on the total measure of hydrocarbon amount and the non-recoverable measure of hydrocarbon amount, wherein during the core surfacing pore pressure reduces from a reservoir condition to a surface condition.

A method of providing content related to capture of a medical image of an object is provided. The method includes acquiring at least one of information related to a state of the object and information related to a capture protocol, determining content to be provided to the object on a basis of the acquired information, and outputting the determined content.

Provided is a coreflood system that comprises a housing including an inlet end and an outlet end, an inlet positioned at the inlet end, and an outlet positioned at the outlet end. The system includes two chambers positioned within the housing between the inlet and the outlet, configured to retain porous media. The two chambers are in series along a fluid flow pathway through the coreflood system. The system includes a partition extending from an inner surface of the housing between the inlet and the outlet, and a pH sensor provide in a sensor mounting location in the housing having access to the fluid flow pathway. Further provided is a method that comprises directing a fluid into a coreflood system, and using a data processing device coupled to the pH sensor to collect hydrogen ion data and determine hydrogen ion concentration and pH within the fluid.

A device for generating oscillating signals includes an energy transfer device configured to apply an oscillating signal to a sensitive volume, and a resonant tuning circuit including the energy transfer device. The tuning circuit includes a tuning capacitor configured to cause the tuning circuit to resonate at a selected frequency, and an energy storage device. The transmitting device also includes a controller configured to apply a pulse sequence to the tuning circuit having a series of pulses, the energy storage device configured to retain electrical energy at an end of a first pulse, and discharge the electrical energy to the tuning circuit at an onset of a next pulse of the pulse sequence.

Systems and methods for determining properties of subterranean formations surrounding a wellbore are provided. An example method can include receiving an image of a formation sample; partitioning the image into a plurality of patches; detecting, via a semantic extraction processor, textures captured in the plurality of patches; associating the textures to a location of the image of the formation sample; reducing a dimension of representation of the textures to obtain one or more vectors, the one or more vectors being based on the textures; and providing a plurality of curves based on the one or more vectors.