Abstract: A method for sealing a high permeability region in a reservoir is provided. The method includes injecting a gel precursor solution into a high permeability region in a reservoir, injecting a sodium nitrite solution proximate to the high permeability region, and injecting an ammonium chloride solution proximate to the high permeability region. The ammonium chloride solution and the sodium nitrite solution are mixed proximate to the high permeability region. The ammonium chloride solution and the sodium nitrite solution are allowed to react, increasing the temperature of the reservoir proximate to the high permeability region. The gel precursor solution is allowed to react to form a solid gel in the high permeability region.

Abstract: A downhole tool is disclosed that includes an expandable liner, an expansion cone, and an expansion cone driver connected to the expansion cone. The expandable liner includes an upper tubular body, a lower cone housing having an outer diameter greater than the upper tubular body, a eutectic alloy layer surrounding a circumference of the upper tubular body, and a bottom packer and a top packer extending around the upper tubular body and positioned around opposite ends of the eutectic alloy layer. The expansion cone has a cone body provided in the lower cone housing and a heater provided around an outer surface of the cone body.

Abstract: A modular system for analyzing drilled cuttings includes a sampler unit, a washer unit, an analysis unit, and a central processing unit. The sampler unit receives the drilled cuttings from a shale shaker disposed on a rig site that obtains the drilled cuttings. The washer unit removes debris from the drilled cuttings. The analysis unit determines lithological properties of the drilled cuttings. The packager unit packages the drilled cuttings. The central processing unit coordinates operations to process the drilled cuttings through each of the sampler unit, washer unit, analysis unit and packager unit. The central processing unit facilitates a processing link among the sampler unit, washer unit, analysis unit and packager unit so that the sampler unit, washer unit, analysis unit and packager unit are integrated to form the modular system.

Abstract: Systems and methods are disclosed for providing virtual assays of an oil sample such as crude oil based on time of flight mass spectroscopy (TOF-MS) carried out on the oil sample, and the density of the oil sample. The virtual assay provides a full range of information about fractions of the oil sample including naphtha, gas oil, vacuum gas oil, vacuum residue, and other information about the properties of the oil sample. Using the system and method herein, the virtual assay data pertaining to these several fractions of the oil sample and the oil sample itself are obtained without fractionation of the oil sample into the several components.

Abstract: Disclosed are methods, systems, and computer-readable medium to perform operations including: calculating a total gas flow rate in a testing trap, where the total gas flow rate includes a first gas flow rate in a liquid leg of the testing trap and a second gas flow rate in a gas leg of the testing trap; calculating a total oil flow rate in the testing trap, where the total oil flow rate includes a first oil flow rate in the liquid leg and a second oil rate in the gas leg; comparing the total gas flow rate and the total oil flow rate to a measured gas flow rate and a measured oil flow rate respectively, where the measured gas flow rate and the measured gas flow rate are measured by a multiphase flow meter; and determining, based on the comparison, whether the multiphase flow meter is calibrated.

Abstract: A method for reducing kinetic energy of an energized stimulation fluid upstream of a wellbore, the method comprising the steps of introducing the energized stimulation fluid to an energy dissipating flow block installed in a frac tree, the energy dissipating flow block comprises a body having an internal geometry configured to produce cyclonic flow of the energized stimulation fluid, the body comprising a top and a bottom; an inlet nozzle positioned proximate and parallel to the top of the body; a cushioning sub positioned parallel to the top of the body and opposite the inlet nozzle; and an outlet nozzle positioned perpendicular to the bottom of the body; reducing the kinetic energy of the energized stimulation fluid due to the cyclonic flow in the body; introducing the stimulation fluid to the frac tree; and introducing the stimulation fluid to the wellbore through the frac tree.

Abstract: A downhole pumping system includes an electric motor configured to receive electric power from a cable coupled to a power source at a terranean surface; and a submersible pump coupled to the electric motor and positionable within a wellbore formed from the terranean surface toward a subterranean formation. The submersible pump is configured to circulate a wellbore fluid through the wellbore toward the terranean surface. The submersible pump includes a plurality of radial stages, with at least one radial stage including one or more shape members integrated with, attached to, or made a part of one or more surfaces of the submersible pump. Each of the one or more shape members is configured to undergo a shape change based at least in part on a characteristic of the wellbore fluid.

Abstract: A method of producing a cementitious material includes combining a reaction mixture to form a slurry and curing the slurry to form the cementitious material. The reaction mixture may include a mineral mixture, an organic compound, and CO2. The mineral mixture may include calcium and the organic compound may be 3,4-dihydroxyphenethylamine, methyl salicylate, or both.

Abstract: Provided are water-soluble polymers that may include a water-soluble bipolymer, a water-soluble anionic terpolymer, and a water-soluble cationic terpolymer. The water-soluble polymers may include a reaction product of a first monomer that has a vinyl-containing group linked to a pendant carbohydrate moiety; a second monomer that has a vinyl group, a carbonyl group and a nitrogen; an anionic monomer in a water-soluble anionic terpolymer; and a cationic monomer in a water-soluble cationic terpolymer. Further provided are aqueous solutions that may include a water-soluble bipolymer, a water-soluble anionic terpolymer, and a water-soluble cationic terpolymer. Further provided are methods of use that may include introducing an aqueous solution into a formation such that the formation fractures, where the aqueous solution may include a water-soluble bipolymer, a water-soluble anionic terpolymer, and a water-soluble cationic terpolymer.

Abstract: Compositions, methods, and systems for treating a subterranean formation for carbon dioxide sequestration include introducing a ferrate(VI)-based hydraulic fracturing fluid into a subterranean formation. The ferrate(VI)-based hydraulic fracturing fluid comprises ferrate(VI) oxidizing agent having the formula M2FeO4, where M is an alkali metal or an alkaline earth metal, and an aqueous carrier fluid. Reacting the ferrate(VI) oxidizing agent with a surface of the subterranean formation increases a pore volume of pores therein and interacting the ferrate(VI) oxidizing agent with carbon dioxide (CO2) sequesters the CO2 with the ferrate(VI) oxidizing agent within the pores.

Abstract: The present disclosure relates to systems and/or methods for enabling a reflux process in one or more distillation columns. For example, various embodiments described herein can relate to a method that can utilize the column's feed stream to provide an internal reflux mechanism in the top portion of the distillation column. For instance, the method can include capturing overhead vapor from a distillation column. Additionally, the method can include comingling the overhead vapor with a feed stream. Further, the method can include partially condensing the feed stream to form a liquid hydrocarbon feed stream that is supplied to a top portion of the distillation column. In one or more embodiments, the comingling can incorporate reflux functionality into the liquid hydrocarbon feed stream to promote a rectification process in the top portion of the distillation column.

Abstract: A method and a system for predicting gas lift equipment failure are disclosed. The method includes obtaining data from a plurality of sources, the plurality of sources including sensor readings, maintenance records, operational parameters, and production targets and determining a plurality of initial equipment failure probabilities using a plurality of machine learning models. Further, the method includes determining an ensemble prediction using an ensemble model trained on the plurality of initial equipment failure probabilities and performing, in response to the ensemble prediction, a maintenance operation of the gas lift equipment.

Abstract: Methods and systems provide secure, real-time software updates over a public network to an isolated security system. A method includes the steps of setting up a network address translation (NAT) data structure for allowing outbound connections only through a first firewall between the isolated security system and the public network, and configuring the isolated security system to identify an internet web gateway address to get a software update from a security system update manager over a predetermined protocol and port. A further step involves configuring a proxy setting in the isolated security system to identify an internet web gateway address of a proxy server in a NAT subnet.

Abstract: A projectile introduction system includes a central pipe configured to receive and guide a wellbore projectile therethrough, a ball guide mated to a top end of the central pipe, including sloped surfaces for guiding the wellbore projectile into the central pipe, a T-shaped joint including connections on opposing arms and in fluid communication with a bottom end of the central pipe, and at least one high-pressure line extending between a pump and a wellbore frac tree, wherein the connections on the opposing arms of the T-shaped joint are mated with the at least one high-pressure line.

Abstract: Methods and systems for well control are disclosed. The methods may include drilling, using a drilling system, a wellbore to a first depth within a formation using a drilling fluid with a first density. The methods may further include, while drilling the wellbore, obtaining, from the drilling system, a first value of each drilling parameter associated to the first depth, determining, using a first model, a first value of a formation pressure based on the first value of each drilling parameter and a value of the first density of the drilling fluid, and determining, using a second model, a first value of a drilling fluid drop based on the first value of the formation pressure. The methods may still further include drilling the wellbore to a second depth within the formation using the drilling fluid with a second density based on the first value of the drilling fluid drop.

Abstract: A separation system uses electromagnetic energy to facilitate separation of water and oil from crude oil. The separation system includes a degassing tank, a microwave cavity arranged inside the degassing tank, and a microwave generating system for generating and transmitting electromagnetic energy to the microwave cavity. Crude oil is introduced into the microwave cavity, where the crude oil is exposed to electromagnetic energy, in order to separate water and oil from the crude oil, and the electromagnetic energy interacts with a crude oil introduced into the interior volume to enhance separation of oil from water in the crude oil.

Abstract: Described herein are methods for converting butene. In some embodiments, butene is converted to an ethylene-containing products. In additional embodiments, butene is converted to an propylene-containing products. In additional embodiments, butene is selectively converted to an ethylene-containing product and a propylene-containing product. These methods generally include metathesis and cracking reactions, as described.

Abstract: Operator authentication of a machine that requires an operator physically present at or in the machine to operate. The operator authentication may include occupancy detection, operator verification, and operator and machine status monitoring. The operator authentication may prevent any unauthorized person from operating the machine and help enforce training and license requirements for operation.

Abstract: This disclosure relates to systems for remediation of groundwater in geological formations and methods of groundwater remediation in geological formations. The system can include a wellbore within a geological formation comprising an aquifer, a casing, inner tubing, a water passage, outer tubing comprising a plurality of diffusion membranes, and a formation conduit in fluid communication with the aquifer. The method may include forming a dissolved remediation gas solution within a wellbore by: passing remediation gas through an inner tubing, passing an aqueous solution into the wellbore through a water passage and an outer tubing comprising a plurality of diffusion membranes, and passing the remediation gas through the diffusion membranes to be mixed with the aqueous solution in the outer tubing to produce the dissolved remediation gas solution; and transporting at least a portion of the dissolved remediation gas solution to an aquifer within the geological formation.

Abstract: A method for, at least, forming a graph representation of physical samples and identifying clusters of the physical samples. The method includes obtaining a plurality of physical samples from one or more wells, where each sample is associated with spatial-temporal data, and determining geochemical data for each sample. The method further includes constructing a graph representation of the plurality of physical samples, where in the graph representation each sample is represented as a node and a presence of an edge between any two nodes is based on the spatial-temporal data of the plurality of physical samples. The method further includes determining a weight for every edge in the graph representation and processing the graph representation with a graph-based algorithm to determine one or more clusters. The method may further include determining a wellbore plan that comprises a planned wellbore path to penetrate a hydrocarbon reservoir based on the determined clusters.