Abstract: Systems and methods include a computer-implemented method for providing a photonic sensing system to perform an automated method to characterize displacement of equipment surfaces and monitor changes in real-time. A three-dimensional (3D) point cloud of one or more objects is generated by an analysis and presentation system using light information collected through structured light illumination by an array of structured-light sensors (SLSes) directed toward the one or more objects. Generating the point cloud includes defining points of the 3D point cloud that are relative to reference points on the one or more objects. Real-time contactless 3D surface measurements of the one or more objects are performed using the 3D point cloud. Changes in one or more parts of the one or more objects are determined by the an analysis and presentation system by analyzing the real-time contactless 3D surface measurements.

Abstract: A tool that removes a scale inside a pipe includes: a laser tool including a laser head to output a laser beam, and a robotic arm that is articulated and that is connected to the laser head. The robotic arm includes segments that are connected by flexible robotic arm joints to enable movement of the laser head in six degrees of freedom, and a control system to control the robotic arm to direct output of the laser beam. The tool also includes a drilling shaft attached to the robotic arm of the laser tool.

Abstract: A heater includes an energy source, a heating element connected to the energy source via an electric heating cable, a moisture collector positioned proximate a first axial side of the heating element, and a housing holding the heating element and the moisture collector in an axially spaced apart configuration. The moisture collector includes a wall and a filament opening encircled by and defined by the wall.

Abstract: The present disclosure describes methods and systems for downhole well integrity reconstruction in a hydrocarbon reservoir. One method for downhole well integrity reconstruction in a hydrocarbon reservoir includes: positioning, a laser head at a first subterranean location, wherein the laser head is attached to a tubular inside of a wellbore; directing, by the laser head, a laser beam towards a leak on the wellbore; and sealing the leak using the laser beam.

Abstract: A laser head apparatus that enables switching between a laser beam and a purging stream. The laser head apparatus includes a bracket that provides for translation and rotation of the laser optics and purging nozzle. The laser optics and purging nozzle are located on opposite sides of the bracket and may be rotated to different rotational positions around a center axis of the bracket and translated to different linear positions along a length of the bracket. Methods of removing material using the laser head apparatus to between a laser beam and a purging stream are also provided.

Abstract: A laser head apparatus that enables the use of smaller parallel converging laser beams that create multiple smaller holes in a material followed by a larger parallel diverging laser beams that remove additional material. The laser head apparatus includes laser optics and purging nozzles. A process for removing material using the laser head apparatus includes moving the laser head apparatus to a position to generate parallel converging laser beams at a target location in the material and moving the laser head apparatus to a position to generate parallel diverging laser beams at the target location from the converging laser beams.

Abstract: A system includes a drill pipe, a fiber optic housing, a laser housing, a conduit, and a fiber optic cable. The drill pipe extends from a surface location into the wellbore. The fiber optic housing is connected to the drill pipe. The laser housing is connected to the fiber optic housing and houses a laser. The drill bit, the laser housing, the fiber optic housing, and the drill pipe are configured to rotate. The conduit extends through the drill pipe, the fiber optic housing, the laser housing, and the drill bit. The fiber optic cable is housed in the fiber optic housing, is disposed within the conduit, and extends from the surface location to the laser located in the laser housing. The laser emits a laser beam into the wellbore. Rotation of the laser housing rotates the laser beam in a circular plane perpendicular to the wellbore.

Abstract: Tools, processes, and systems for in-situ fluid characterization based on a thermal response of a fluid are provided. The thermal response of a downhole fluid may be measured using a downhole thermal response tool and compared with thermal responses associated with known fluids. The properties of the downhole fluid, such as heat capacity, diffusivity, and thermal conductivity, may be determined by matching the thermal response of the downhole fluid with a thermal response of a known fluid and using the properties associated with the known fluid. The composition of the downhole fluid may be determined by matching the viscosity of the downhole fluid to the viscosity of known fluid. A downhole thermal response tool for cased wellbores or wellbore sections and a downhole thermal response tool for openhole wellbores or wellbore sections are provided.

Abstract: A multiport multilevel converter/inverter includes a connection point with a two-line connection. The multiport multilevel converter/inverter also includes a capacitor electrically coupled across the two-line connection of the connection point. The multiport multilevel converter/inverter also has a first flying capacitor multilevel path with a first external two connection port configured to connect outside of the multiport multilevel converter/inverter, and a first interface conveying DC power and that is electrically coupled to the connection point. The multiport multilevel converter/inverter also includes a second flying capacitor multilevel path with a second external two connection port configured to connect outside of the multiport multilevel converter/inverter, and a second interface conveying DC power and that is electrically coupled to the connection point.

Abstract: A monitoring device monitors deformation of a casing installed in a wellbore and housing a production tubing, and includes: a packer installed within an annulus between the casing and the production tubing; a deformable substrate that is disposed at an outer side of the annulus and contacts an inner surface of the casing to deform along with casing deformation; a light source that is disposed on the deformable substrate and emits light towards an inside of the annulus; an imaging device that is disposed in the packer to be opposite to the light source across the annulus and detects the light emitted from the light source; and a processor that produces a signal from the detected light, processes the produced signal, and transmits the processed signal to a surface control device that monitors the deformation of the casing based on the signal.

Abstract: A method to produce in-situ steam comprising the steps of producing a laser beam in a steam generator segment positioned in a wellbore in a formation; introducing the laser beam to an activated carbon container, where the activated carbon container comprises activated carbon; increasing a temperature of the activated carbon with the laser beam to produce a hot activated carbon; introducing water to the activated carbon container through a water supply line; producing steam in the activated carbon container when the water contacts the hot activated carbon; increasing pressure in the activated carbon container as steam is produced until a pressure set point of an inter-container valve is reached; releasing steam through the inter-container valve to a steam container; increasing a pressure in the steam container until a release set point of one or more release valves is reached; and releasing steam through the release valve to the formation.

Abstract: This application relates to systems and methods for stimulating hydrocarbon bearing rock formations using a downhole hybrid tool for discharging a fracturing solution to a wellbore in the formation and for delivering an output laser beams to the rock formation.

Abstract: Systems and methods for cutting objects within a subterranean well include a laser system having a laser drilling head located at a terminal downhole end of a laser tool body directing a head laser beam in a direction downhole. A laser scanner assembly located within the laser tool body has a scanner head directing a scanner laser beam and can move both axially along a length of the laser tool body and rotate around a central axis of the laser tool body. A laser cutter assembly located within the laser tool body has a cutter head directing a cutter laser beam and can rotate around the central axis of the laser tool body. A cable bundle formed of a plurality of fiber optic cables extends from an uphole end of the laser tool body to each of the laser drilling head, the laser scanner assembly, and the laser cutter assembly.

Abstract: The present disclosure describes methods and systems for downhole well integrity reconstruction in a hydrocarbon reservoir. One method for downhole well integrity reconstruction in a hydrocarbon reservoir includes: positioning, a laser head at a first subterranean location, wherein the laser head is attached to a tubular inside of a wellbore; directing, by the laser head, a laser beam towards a leak on the wellbore; and sealing the leak using the laser beam.

Abstract: Some implementations of the present disclosure provide a laser drilling tool assembly comprising: (i) a body that includes: a first segment configured to receive an input beam from a laser source and couple the input beam to provide an irradiation beam to irradiate a downhole target, and a second segment housing one or more purging pipes; and (ii) a tool head that includes: a retractable nozzle; and one or more optical sensing elements mounted on the retractable nozzle, wherein when the downhole target is being irradiated by the irradiation beam, the retractable nozzle is extended towards the downhole target such that the one or more optical sensing elements are positioned closer to the downhole target.

Abstract: Systems and methods for delivering an injection fluid into a subterranean well include an injection tool having an injection tool body with an internal cavity. A fluid chamber is located within the internal cavity. A heating chamber includes a pipe segment arranged parallel to the central axis. A one way valve provides a fluid flow path for the injection fluids to travel in a downhole direction through the one way valve, and prevents the flow of fluids through the one way valve in an uphole direction. A fiber optic cable extends to the pipe segment, the fiber optic cable operable to deliver a laser radiation to the pipe segment, heating the pipe segment. The injection tool body provides a fluid flow path from the one way valve to an outside of the injection tool.

Abstract: An optical fiber has corrugations on an outer surface to dissipate a portion of an input light beam, allowing the remaining portion of the light beam to be coupled to the optical fiber. By dissipating the portion of input light, damage to the optical fiber by uncoupled light is reduced.

Abstract: An apparatus for producing steam in-situ, the apparatus comprising an activated carbon container configured to hold activated carbon; a water supply fluidly connected to the activated carbon container, the water supply configured to provide water directly to the activated carbon container; an inter-container valve fluidly connected to the activated carbon container, the inter-container valve configured to let steam flow from the activated carbon container to a steam container; the steam container fluidly connected to the inter-container valve, the steam container configured to hold the steam that flows from the activated carbon container; and one or more release valves fluidly connected to the steam container, the one or more release valves configured to release steam from the steam container.

Abstract: An example CO2 monitoring systems is configured for monitoring levels of CO2 in a wellbore. A CO2 monitoring system may include one or more laser monitoring tools. A laser monitoring tool may include an optical element to output a laser beam, a detector to receive the laser beam, a first chamber housing the optical element and detector, and a second chamber including an inlet and an outlet receive and release, respectively, wellbore fluid. The first chamber may be in fluid connection with second chamber via a gas permeable membrane. Gas may permeate from second chamber into first chamber. Gas in the first chamber is subjected to a laser beam. Absorption of light by the gas is measured, and content of gas is determined based at least in part on the amount of light absorption by the gas.

Abstract: A nested anti-resonant nodeless hollow core fiber (NANF) enables transmission of multi-kilowatt, continuous wave (CW) light beams operating in wavelengths between 1050 nm and 1100 nm provided by single mode lasers. Such a NANF has little loss over kilometer ranges, and can be employed in long distance subsurface applications, such as in the petroleum industry.