Abstract: Systems and methods include techniques for determining whether to use underbalanced coiled tubing drilling (UBCTD) or conventional drilling with hydraulic fracturing to drill a new well in deep and tight reservoirs with slow rate of penetration issues. Estimates of geomechanical properties and image log processing for past-drilled wells are completed first, then three-dimensional (3D) property modeling and natural fracture prediction (NFP) for the domain are conducted. Then a 3D geomechanics model is generated. After this the rock properties and NFP along the planned well trajectory are extracted. The diagenetic rock typing is evaluated. Required breakdown pressure for hydraulic fracturing is calculated. A determination based on the diagenetic rock typing and required breakdown pressure is made whether UBCTD or conventional drilling with hydraulic fracturing should be used for a new well.

Abstract: Systems and methods include a computer-implemented method: Total clay, effective porosity (PHIE) values, and gas volume are determined for a tight gas sandstone reservoir characterization using petrophysical evaluation results. Regions of the tight gas sandstone reservoir are characterized, including performing diagenetic rock typing for the regions using the total clay and PHIE values, where the diagenetic rock typing reflects porosity/permeability and clay content change. Sweet spots are determined based on the diagenetic rock typing and gas volume variation. Ranked sweet spots are determined by indexing and ranking the sweet spots by category. Optimized infill drilling locations and target zones are determined, and well placements in the tight gas sandstone reservoir are assisted using the diagenetic rock typing and the ranked sweet spots.

Abstract: This application discloses a channel estimation method and apparatus. When time-domain channel estimation is performed on a first slot, the first slot and at least one second slot are first determined. The first slot and each second slot form continuous slots. Then, a first signal corresponding to the first slot and a second signal corresponding to each second slot are obtained, and a time-domain channel estimate for the first slot is determined based on the first signal and each second signal. In embodiments of this application, when a time-domain channel estimate for a specific slot is determined, time-domain channel estimation is performed by using time-domain correlation of channels in combination with signals of a plurality of slots, so as to obtain a more accurate channel estimation result, thereby improving baseband demodulation performance.

Abstract: A computer-implemented method that enables lithofacies guided core description using unsupervised machine learning is described herein. The method includes obtaining well log curves for a wells in a zone. The method also includes predicting lithofacies for the wells using a machine learning model. The machine learning model is trained with input data comprising additional well log curves and well cores. The method includes grouping the wells based on the predicted lithofacies, and updating core descriptions of the wells based on the grouped wells.

Abstract: Systems and methods include a computer-implemented method for creating artificial real-time gamma ray (GR) images for well placement. Real-time azimuthal density data is determined from drilling of a well. An azimuthal density data set is generated using the real-time azimuthal density data. The azimuthal density data set is generated with a greater sampling rate than a real-time sampling rate of the real-time azimuthal density data. An azimuthal density curve depth match is performed using the azimuthal density data set. Performing the azimuthal density curve depth match includes creating a depth shift match table. A high-resolution sector near-bit gamma ray (GR) image is generated using the azimuthal density curve depth match and the depth shift match table. The high-resolution sector near-bit GR image is oriented to a top of a wellbore for the well.

Abstract: An OLT performs interactive authentication with an optical module, and determines a time sequence parameter of the optical module. The optical module stores the time sequence parameter in a register of the optical module. When the optical module is inserted into the OLT and is in a working state, the OLT reads the time sequence parameter stored in the optical module. Then, based on the time sequence parameter, the OLT determines and configures time sequence information of an ONU corresponding to the optical module.

Abstract: A method is disclosed that includes: obtaining a seismic data volume for a subterranean region of interest; transforming, by a computer processor using a non-stationary series analysis, the seismic data volume into a seismic spectral volume where the seismic spectral volume includes a seismic spectrum for each of a plurality of voxels; and determining a seismic attribute volume composed of a seismic attribute for each of the plurality of voxels. The seismic attribute for a voxel of the plurality of voxels is based, at least in part, on an integral of the seismic spectrum for the voxel over a range bounded by a first frequency and a second frequency. The method further includes determining a presence of hydrocarbon in the subterranean region of interest based on the seismic attribute volume. A system for performing the method is also disclosed and described.

Abstract: At present relates to a glucopyranosyl derivative and application thereof. In particular, relates to a glucopyranosyl derivative as a sodium-dependent glucose transporters1 (SGLT1) inhibitor, and a pharmaceutically acceptable salt or a stereoisomer thereof, and further relates to a pharmaceutical composition containing the derivative.

Abstract: A horizontal or deviated core sample is received from a wellbore. A presence of geologic indicators within the horizontal or deviated core sample is determined. The horizontal or deviated core sample is rotated to a position based on the presence and orientation of the geologic indicators. A top of the horizontal or deviated core sample is marked after the core has been rotated.

Abstract: Systems, methods, and computer readable media for the determination of hydrogen sulfide (H2S) concentration and distribution in carbonate reservoirs using a mechanical earth model. Hydrogen sulfide (H2S) concentration in a carbonate reservoir n may be measured and correlated with horizontal maximum stresses of stress ratios determined using mechanical earth model for a strike-slip fault regime. The hydrogen sulfide (H2S) concentration at different depths in the carbonate reservoir may be determined using the correlation.

Abstract: A horizontal or deviated core sample is received from a wellbore. A presence of geologic indicators within the horizontal or deviated core sample is determined. The horizontal or deviated core sample is rotated to a position based on the presence and orientation of the geologic indicators. A top of the horizontal or deviated core sample is marked after the core has been rotated.

Abstract: An isoquinolinone compound acts as an inhibitor of semicarbazide-sensitive oxidase (SSAO) and/or vascular adhesion protein-1 (VAP-1), and the use thereof, and further relates to a pharmaceutical composition containing the compound. The compound or the pharmaceutical composition can be used to prepare a drug for preventing, treating or ameliorating inflammation and/or inflammation-related diseases, diabetes and/or diabetes-related diseases in patients, and especially can be used to prepare a drug for preventing, treating or ameliorating non-alcoholic fatty liver diseases in patients.

Abstract: A method is disclosed that includes: obtaining a seismic data volume for a subterranean region of interest; transforming, by a computer processor using a non-stationary series analysis, the seismic data volume into a seismic spectral volume where the seismic spectral volume includes a seismic spectrum for each of a plurality of voxels; and determining a seismic attribute volume composed of a seismic attribute for each of the plurality of voxels. The seismic attribute for a voxel of the plurality of voxels is based, at least in part, on an integral of the seismic spectrum for the voxel over a range bounded by a first frequency and a second frequency. The method further includes determining a presence of hydrocarbon in the subterranean region of interest based on the seismic attribute volume. A system for performing the method is also disclosed and described.

Abstract: An amine compound serving as a semicarbazide-sensitive amine oxidase (SSAO) and/or vascular adhesion protein-1 (VAP-1) inhibitor, a pharmaceutical composition, and an application thereof in medicines that can be used for treating inflammation and/or inflammation related diseases, diabetes and/or a disease related diabetes, psychiatric disorder, ischemic disease, vascular disease, fibrosis, or tissue transplant rejection.

Abstract: This application discloses a channel estimation method and apparatus. When time-domain channel estimation is performed on a first slot, the first slot and at least one second slot are first determined. The first slot and each second slot form continuous slots. Then, a first signal corresponding to the first slot and a second signal corresponding to each second slot are obtained, and a time-domain channel estimate for the first slot is determined based on the first signal and each second signal. In embodiments of this application, when a time-domain channel estimate for a specific slot is determined, time-domain channel estimation is performed by using time-domain correlation of channels in combination with signals of a plurality of slots, so as to obtain a more accurate channel estimation result, thereby improving baseband demodulation performance.

Abstract: Some embodiments of present disclosure provide a method and apparatus for distributing content across platforms, a device and a storage medium, relates to the field of cloud storage technology, and may be applied to a cloud platform. A specific implementation of the method can include: receiving a content acquisition request, the content acquisition request containing content category information; generating identifier information of a sending end of the content acquisition request, and configuring the content category information under the identifier information; acquiring abstract information of content corresponding to the content category information; and sending the abstract information to the sending end of the content acquisition request based on the identifier information.

Abstract: Systems and methods include a computer-implemented method: Total clay, effective porosity (PHIE) values, and gas volume are determined for a tight gas sandstone reservoir characterization using petrophysical evaluation results. Regions of the tight gas sandstone reservoir are characterized, including performing diagenetic rock typing for the regions using the total clay and PHIE values, where the diagenetic rock typing reflects porosity/permeability and clay content change. Sweet spots are determined based on the diagenetic rock typing and gas volume variation. Ranked sweet spots are determined by indexing and ranking the sweet spots by category. Optimized infill drilling locations and target zones are determined, and well placements in the tight gas sandstone reservoir are assisted using the diagenetic rock typing and the ranked sweet spots.

Abstract: The present invention discloses a method for producing ?-aminobutyric acid (GABA) by fermentation of native strain from raw material of Sayram Ketteki, comprising the following steps: dissolving the cow's milk in the normal saline for dilution to obtain diluents with different gradients first, coating the diluents in solid media for culture respectively, isolating single colonies and storing them in a glycerin cryopreservation tube for cryopreservation respectively; next, inoculating them in liquid medium for culture respectively, and inoculating them in fermentation medium for culture for culture after activation. The content of GABA product obtained by the present invention can reach 450 ?g/mL.

Abstract: Embodiments of this application disclose a user pairing method and a related device. The method includes: first, determining a first generation parameter of a first base sequence of a first user and a second generation parameter of a second base sequence of a second user, and the second base sequence is used to generate a second uplink reference signal of the second user; then, determining multiplexing evaluation information based on the first generation parameter and the second generation parameter, where the multiplexing evaluation information may include correlation strength between sequences and interference leakage width; afterwards, determining, based on the multiplexing evaluation information, whether the first user and the second user are successfully paired. Finally, when the first user and the second user are successfully paired, it is determined that the first user and the second user multiplex a same communication resource for communication.

Abstract: Various methods are provided for programmatically providing a platform for requesting on-demand services on a consumer device. One example method may comprise receiving a job request, the job request comprising job request parameters, the job request parameters comprising at least a type of service, a location, and a time frame, identifying one or more merchants able to provide the service in accordance with the job request parameters by determining a subset of the plurality of merchants able to provide the service, at the location, within the time frame, causing transmission of a job offer to at least a first merchant of the subset of one or more merchants identified as able to provide the service in accordance with the job request parameters, receiving at least one response, the at least one response from the first merchant from the one or more merchants, and assigning the job to the first merchant.