Halliburton Energy Services, Inc.

Jian Li

Christopher Michael Jones

James Martin Price

Bin Dai

William Joseph Soltmann

Michael Thomas Pelletier

Anthony Herman Van Zuilekom

Etienne M Samson

Daniel Joshua Stark

Ilker R Capoglu

Julia Golovko

John Laureto Maida, Jr

Darren George Gascooke

Michel Joseph LeBlanc

Cameron M Rekully

Jimmy Price

A device for coating an interior surface of a housing defining a volume comprising a plurality of reactant gas sources including reactant gases for one or more surface coating processes; first and second closures to sealingly engage with an inlet and outlet of the volume of the housing to provide an enclosed volume; a delivery line fluidically coupled to the first closure and the plurality of reactant gas sources to deliver the reactant gases to the enclosed volume; and an output line fluidically coupled to the second closure to remove one or more reactant gases, byproduct gases, or both from the enclosed volume. A method for coating an interior surface of a housing is also provided.

Depositing coatings on and within housings, apparatus, or tools

A coating system for coating an interior surface of a housing comprising: first and second closures engaging first and second ends, respectively, of the housing to provide an enclosed volume; first and second flow lines coupled to the first and second closures, respectively, the first flow line and/or the second flow line connected to an inert gas source; a reactant gas source(s) comprising a reactant gas and coupled to the first and/or second flow line; and a controller in electronic communication with the reactant gas and inert gas sources, and configured to control flow of inert gas into the enclosed volume, and counter current injection of reactant gas from the reactant gas source(s) into the enclosed volume whereby introduction of pulse(s) of the reactant gas into the enclosed volume are separated by introduction of inert gas into the enclosed volume, and coating layer(s) are deposited on the interior surface.

Depositing coatings on and within housings, apparatus, or tools utilizing counter current flow of reactants

An optical element may be fabricated by applying foreign or attenuating material, for example, a copper material or a material that includes copper, to a silicon dioxide thin film to form a layer that exhibits extraordinary optical absorption in the infrared wavelength region of at or about 2500-4700 nanometers. The foreign material may comprise or include a transition metal. The optical element exhibits increased accuracy and sensitivity in the infrared wavelength region of at or about 2500-4700 nanometers. The at or about 2500-4700 nanometers absorption property of the optical element can be selectively tuned to any region within this at or about 2500-4700 nanometers wavelength region. The optical element may comprise multiple layers of varying thicknesses to further tune the optical element to one or more spectral bands. Such an optical element may be utilized in a formation fluid analysis tool or an eye protection device.

Extraordinary IR-absorption in SiOthin films with a foreign or attenuating material applied

Methods and systems for implementing and utilizing radiometric characterization in combination with reference material characterization of an optical sensor to more accurately and efficiently measure material properties are disclosed. In some embodiments, a method for for optically measuring material properties includes an optical sensor being radiometrically characterized based on measured optical responses. A model is generated and includes model components of the optical sensor. A parameterized model is generated by fitting n variable parameters of the model components using the optical responses. The optical sensor is utilized to measure an optical response to a reference material and a re-parameterized model is generated by re-fitting m of the n variable parameters of the model components based, at least in part, on the measured optical response to the reference material, wherein m is less than n.

Radiometric modeling for optical identification of sample materials

An integrated computing element for an optical computing device includes a flexible optical substrate. The integrated computing element also includes at least one optical thin film deposited on a first surface of the flexible optical substrate. The at least one optical thin film is configured to selectively pass fractions of electromagnetic radiation at different wavelengths.

Flexible integrated computational elements for optical analysis

A method for designing a tool string for use in a wellbore includes receiving a merit function, and determining, with a computing system and based on the merit function, a tool string design for a tool string. The merit function comprises one or more defined objectives for performing a process in a wellbore. The tool string design comprises an indication of one or more tools used to form a tool string for performing the process in the wellbore, and the tool string design satisfies the merit function.

Tool string design using machine learning

An apparatus includes a processor and a machine-readable medium having program code to cause the apparatus to obtain a first dictionary based on a first training set of signals and determine a first subset of the first training set of signals based on a training reconstruction accuracy threshold and the first dictionary, wherein each atom in the first dictionary includes at least one of a signal pattern and a function representing the signal pattern. The program code also includes code to generate a second dictionary based on a second training set of signals, wherein the second training set of signals includes the first subset of the first training set of signals.

Dictionary generation for downhole signal compression

Systems, methods, and computer-readable media for detecting downhole environment characteristics. An optical sensor is deployed to a downhole environment. Optical signal data received from the deployed optical sensor is received by a model configured to determine downhole environment characteristics directly from optical signal data. The model determines a downhole environment characteristic from the optical signal data and provides the determined characteristic to a user.

Optical signal based reservoir characterization systems and methods

An apparatus includes a subsurface sensor for use in a borehole to provide a subsurface measurement series, a subsurface processor to receive the subsurface measurement series, and a machine-readable medium. The machine-readable medium has program code to cause the apparatus to obtain the subsurface measurement series and generate an atom combination based on the subsurface measurement series using the subsurface processor, wherein the atom combination comprises a subset of atoms from a dictionary. The code also has instructions to generate a set of characterizing values and transmit the set of characterizing values to a different physical location, wherein the set of characterizing values comprises an atom identifier and at least one corresponding atom weight for at least one atom from the atom combination.

Downhole signal compression and surface reconstruction

The disclosed embodiments include thin film multivariate optical element and detector combinations, thin film optical detectors, and downhole optical computing systems. In one embodiment, a thin film multivariate optical element and detector combination includes at least one layer of multivariate optical element having patterns that manipulate at least one spectrum of optical signals. The thin film multivariate optical element and detector combination also includes at least one layer of detector film that converts optical signals into electrical signals. The thin film optical detector further includes a substrate. The at least one layer of multivariate optical element and the at least one layer of detector film are deposited on the substrate.

Thin film multivariate optical element and detector combinations, thin film optical detectors, and downhole optical computing systems

A method may comprise sampling a wellbore fluid; analyzing the wellbore fluid and determining a presence of a graphene-like substrate, a concentration of the graphene-like substrate, or both, in the wellbore fluid; and correlating the presence and the concentration of the graphene-like substrate to at least one subterranean formation characteristic.

System and method for graphene-structure detection downhole

Technologies for propagating optical information through an optical waveguide in a downhole environment are provided. An example method can include generating a light signal via a light-emitting device at a first location on a wellbore environment; propagating the light signal through an optical waveguide on an inner surface of a wellbore tool, the optical waveguide including a first layer of low refractive-index material, a second layer of high refractive-index material applied to a first surface of the first layer, and a third layer of low refractive-index material applied to a second surface of the second layer; and receiving, by a detector at a second location on the wellbore environment, the light signal via the optical waveguide on the inner surface of the wellbore tool.

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Bellaire, TX, United States of America

Jian Li