Abstract: A device for probing an interior of a tube includes an annular frame configured for engagement with a rotor or an orbital element mount. The annular frame presents a mounting surface. An annular buffer layer is positioned radially inward of and concentrically with the annular frame. A flexible annular sealing layer is joined with the annular buffer layer and positioned radially inward of and concentrically with the annular buffer layer. The sealing layer is configured to form a seal with the tube. A rotational layer is positioned between the annular frame and the buffer layer enabling rotation of the annular frame about the annular buffer layer. A process cartridge frame is mounted on the mounting surface and includes three or more process cartridge openings. Each of the cartridge openings is configured to receive a process cartridge. Each process cartridge is rotatively selectable via rotation of the annular frame.

Abstract: A system for monitoring a casing within a well includes tubing with an outer surface, a housing having an inner wall, an outer wall, and two end walls extending between the inner wall and the outer wall to define an annular enclosure, the housing extending around at least a portion of the tubing with an outer surface of the inner wall in contact with the outer surface of the tubing, a cylinder including an elastomer, the cylinder extending outward from an outer surface of the outer wall of the housing, the cylinder sized to contact an inner surface of the casing during use, a plurality of optical distance sensors, associated electronics, and a battery positioned inside the housing, a plurality of light sources positioned within the housing, each light source operable to emit light towards an optical distance sensor, and a transmitter.

Abstract: The disclosure relates to methods of irradiating a gas containing hydrogen sulfide (H2S) with high energy light to photolytically cleave some of the hydrogen sulfide in the gas to form sulfur-containing reactive species. The sulfur-containing reactive species act as autocatalysts that react with some of the remaining hydrogen sulfide in the gas to generate hydrogen gas and one or more sulfur-containing products. The methods remove hydrogen sulfide from the gas and produce hydrogen gas. The methods can be implemented in a component of a hydrocarbon producing well (e.g., a wellhead, a flow line, a production casing, a production tubing), a component used to transport the gas mixture produced by the well (e.g., a transportation pipeline), a gas treatment system (e.g., a tail gas treatment system), a borehole and/or an underground formation.

Abstract: The disclosure relates to systems and methods to photolytically cleave hydrogen sulfide (H2S) present in a gas mixture produced by a hydrocarbon producing well and/or a gas treatment unit, thereby converting the hydrogen sulfide to hydrogen gas (H2) and a sulfur species (e.g., elemental sulfur, polysulfides, and/or organosulfur compounds). This reduces the amount of hydrogen sulfide present in the gas mixture. The systems and methods can be implemented in a component of a hydrocarbon producing well (e.g., a wellhead, a flow line, a production casing, a production tubing), a component used to transport the gas mixture produced by the well (e.g., a transportation pipeline, an inlet to a gas-oil separation plant), and/or a gas treatment unit (e.g., a tail gas treatment unit). The gas mixture is disposed in an annular space of the component(s), and an ultraviolet (UV) light source delivers UV light to the gas mixture to photolytically cleave the hydrogen sulfide.

Abstract: A laser system for freeing downhole equipment includes a laser tool having an inner diameter larger than an outer diameter of the downhole equipment and a means for generating a ring-shaped collimated laser beam. The laser system further includes a work string with the inner diameter larger than the outer diameter of the downhole equipment. The laser tool is installed on the work string and the work string is lowered around the downhole equipment. Upon lowering the work string to a position in which the laser tool is located proximate to an obstruction of the downhole tool, the laser tool emits the ring-shaped collimated laser beam so as to clear out an annulus space between the downhole equipment and a wellbore wall in order to free the downhole equipment.

Abstract: A sensing system for monitoring a composition of a downhole fluid in a well, where the sensing system includes: a light source, an optical waveguide, an evanescent field sensing element that is indirect contact with a downhole fluid, and a detector. The light source is operable for emitting a beam and includes a frequency comb generator configured to modify at least a portion of the beam into a sensing comb beam. The evanescent field sensing element provides attenuated internal reflection of the sensing comb beam at the interface between the evanescent field sensing element and the downhole fluid, and the portion of the sensing comb beam interacts with the fluid to form at least a portion of an interacted beam. The detector obtains a spectral distribution of the interacted beam.

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: 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 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 system includes a high-power laser surface unit capable of generating a high-power laser beam having an output power of at least 10 kW, an optical fiber connected to the high-power laser surface unit, and at least one harvesting cell disposed around the optical fiber. The optical fiber includes an optical cladding surrounding an optical fiber core. Each harvesting cell includes an anode, a cathode, and a thermoelectric layer disposed adjacent to and electrically connected to the anode and the cathode, where the thermoelectric layer includes a polymer-based thermoelectric material.

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: A system for monitoring a composition includes: an electromagnetic source that emits a beam; one or more evanescent field sensing element inside a tubular structure, arranged in series along a flow direction of the composition, and configured to be in direct contact with the composition; a waveguide that directs at least a portion of the beam to the evanescent field sensing element as an incident beam; and a detector configured to obtain a spectral distribution of the fingerprint beam. The evanescent field sensing element provides partial or total internal reflection of the incident beam at an interface between the evanescent field sensing element and the composition, and the incident beam interacts with the composition to form a fingerprint beam.

Abstract: An optical fiber has an optical fiber core for high-power laser transmission, an optical cladding surrounding the optical fiber core, and at least one harvesting cell disposed around the optical cladding, where the harvesting cell includes an anode, a thermoelectric layer disposed adjacent to and electrically connected to the anode, and a cathode disposed adjacent to and electrically connected to the thermoelectric layer, and where the thermoelectric layer includes a polymer-based thermoelectric material.

Abstract: An optical fiber includes an optical fiber core for high-power laser transmission, an optical cladding disposed radially around the optical fiber core, and at least one harvesting cell disposed axially along the optical fiber core, the harvesting cell including an anode surrounding the optical cladding, a photovoltaic layer having a polymer-based photovoltaic material disposed radially around and electrically connected to the anode, and a cathode disposed radially around the photovoltaic layer and electrically connected to the photovoltaic layer.

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: 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.

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 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 computer-implemented method includes: accessing a plurality of geo-exploration data from a first drilling site, wherein the plurality of geo-exploration data include spectroscopic infra-red (IR) data and well logs, wherein at least portions of the plurality of geo-exploration data are based on measurements of core samples taken from the first drilling site; based on, at least in part, the plurality of geo-exploration data, training a set of deep learning models, each deep learning model comprising multiple layers and configured to predict one or more geological formation properties; applying the set of deep learning models to newly received geo-exploration data that also includes spectroscopic IR data; and predicting the one or more geological formation properties based on, at least in part, the newly received geo-exploration data.

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.