Patents Assigned to Schlumberger Technology Corporation
  • Patent number: 11002081
    Abstract: A cutting element has a thermally stable polycrystalline diamond layer formed on an upper side of a polycrystalline diamond layer. The cutting element has a cutting face opposite the polycrystalline diamond layer, a transition layer on a side of the polycrystalline diamond layer opposite the thermally stable polycrystalline diamond layer, and a non-planar interface between the transition layer and the polycrystalline diamond layer. The non-planar interface has a perimeter exposed around a side surface of the cutting element encircling an interior of the non-planar interface and an uppermost portion of the perimeter is a distance from the cutting face greater than an axial distance between the cutting face and the interior.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: May 11, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Georgiy Voronin
  • Patent number: 11002077
    Abstract: A drill bit forming a borehole in the earth may be urged sideways, creating a curve in the borehole, by a cross-sectional shape of the borehole. For example, a borehole with a cross-sectional shape comprising two circular arcs of distinct radii, one larger and one smaller than a gauge of the drill bit, may push the drill bit away from the smaller circular arc and into the larger circular arc. Forming a borehole with such circular arcs may be accomplished by extending a cutting element from a side of the drill bit for only a portion of a full rotation of the drill bit. The relative radii and angular ranges occupied by the circular arcs may affect a radius of curvature formed in the borehole. The radii and angular ranges occupied by these circular arcs may be adjusted by altering the timing of extension and retraction of the extendable cutting element.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: May 11, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Scott Woolston
  • Patent number: 11002871
    Abstract: A method for processing sonic data acquired with a downhole sonic tool is provided. The method comprises detecting coherent noise based on a plurality of waveforms obtained from one or more receivers issued by one or more transmitters. The plurality of waveforms correspond to propagating acoustic waves in a formation. In addition, the method comprises building a slowness filter for removing the coherent noise, and applying the slowness filter to the plurality of waveforms.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: May 11, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Alain Dumont, Ayaka Abe
  • Patent number: 11002117
    Abstract: A method can include forming a mixture of an explosive and a thermally conductive material; disposing at least a portion of the mixture in a chamber of a capsule; and at least partially sealing the chamber.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: May 11, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: David Skyler
  • Patent number: 11002080
    Abstract: A cutter block includes a formation facing surface having a staged cutting profile and one or more stabilizer pads may be located between reaming portions. A shorter stabilizer pad or no stabilizer pad may be at the gauge of the cutter block. A spline on the cutter block and used by a downhole cutting apparatus to move the cutter block may intersect the formation facing surface. The spline may form an extension that increases a width of the formation facing surface. The extension may be located at a stabilizer pad to expand the stabilizer pad, such that the extension rotationally leads or trails cutting structure of the cutter block. When the cutter block is expanded, a stabilizer pad may be at a pilot diameter of a wellbore, while some cutting elements may be radially outside, and others radially within, the pilot diameter of the wellbore.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: May 11, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Philip G. Trunk
  • Publication number: 20210135579
    Abstract: A power supply device includes a power conversion circuit configured to generate an output voltage from an input voltage, and a controller coupled to the power conversion circuit and configured to control the power conversion circuit to generate the output voltage for causing or enhancing coalescence of a multi-phase liquid mixture when the output voltage is applied to the multi-phase liquid mixture. The controller is configured to control generation of the output voltage in accordance with a synchronization signal. The controller is further configured to generate the synchronization signal and transmit the synchronization signal to another power supply device, or receive the synchronization signal from another power supply device.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 6, 2021
    Applicant: Schlumberger Technology Corporation
    Inventors: Pavan Kumar B. Mandewalkar, Gary W. Sams
  • Patent number: 10995552
    Abstract: A downhole closed loop method for controlling a drilling toolface includes measuring first and second attitudes of the subterranean borehole at corresponding first and second upper and lower survey stations. The first and second attitudes are processed downhole while drilling to compute an angle change of the subterranean borehole between the upper and lower survey stations. The computed angle change is compared with a predetermined threshold. This process may be continuously repeated while the angle change is less than the threshold. The first and second attitudes are further processed downhole to compute a toolface angle when the angle change of the subterranean borehole is greater than or equal to the threshold. The toolface angle may then be further processed to control a direction of drilling of the subterranean borehole.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: May 4, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Peter Hornblower, Christopher C. Bogath, Adam Bowler, Junichi Sugiura
  • Patent number: 10995571
    Abstract: A drilling rig site may include at least one tubular configured to be inserted into a wellbore at the drilling rig, at least one imaging device configured to detect a location of an end of the at least one tubular or a feature of the at least one tubular, and a processor receiving an input from the at least one imaging device and configured to calculate a distance between the end of the at least one tubular and another element, a diameter of the at least one tubular, or movement of the at least one tubular. A method for completing a drilling operation at a rig site, may include capturing an image of a tubular at a rig site, the tubular configured to be inserted into a wellbore at the rig site, detecting a location of an end of the tubular or a feature of the tubular from the image, and determining a diameter of the tubular, a distance between the detected end of the tubular and another element, or movement of the tubular.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: May 4, 2021
    Assignee: Schlumberger Technology Corporation
    Inventors: Shunfeng Zheng, Richard John Meehan, John David Rowatt, Vishwanathan Parmeshwar, Joergen Kringen Johnsen, Sylvain Chambon
  • Patent number: 10995578
    Abstract: Apparatus includes a conveyance device and a first shearable deployment bar connected to the conveyance device at a first distal end of the first shearable deployment bar, where the first shearable deployment bar has a deployment bar section and a shearable section. The shearable deployment bar is configured to carry a ballistic signal from an initiating charge, through the shearable deployment bar, and to a donor charge. The apparatus further includes a first set of perforating guns connected to the first shearable deployment bar at a second distal end thereof, and the first set of perforating guns are configured to receive the ballistic signal from the donor charge to ultimately fire the perforating guns at a targeted location in a wellbore. A second shearable deployment bar may be connected to the first set of perforating guns, and a second set of perforating guns connected to the second shearable deployment bar.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: May 4, 2021
    Assignee: Schlumberger Technology Corporation
    Inventor: Rod William Shampine
  • Patent number: 10996359
    Abstract: Marine seismic data can be processed to remove or reduce two or more source side acquisition effects jointly when 1) the effects are placed in the same data domain as the received data and 2) the effects are described using the same basis functions which may signify representing the received data and the effects in the same chosen transform domain. The data effects may include source signature removal, source radiation pattern removal, residual shot noise suppression and data regularization, multi-channel reconstruction or regularization, prediction of sea surface multiples, separation of simultaneous sources etc. The joint processing can use iterative or non-iterative inversion technique, where the iterative inversion technique may be a matching pursuit technique.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: May 4, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: David Fraser Halliday
  • Patent number: 10995604
    Abstract: A downhole closed loop method for controlling a curvature of a subterranean wellbore while drilling includes controlling a direction of drilling such that the drilling attitude is substantially equal to a setpoint attitude. A setpoint rate of penetration is processed in combination with a setpoint dogleg severity to compute a setpoint attitude increment. The setpoint attitude may be adjusted by the setpoint attitude increment. The setpoint attitude may be incremented at some interval to control the curvature of the wellbore while drilling.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: May 4, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Peter Hornblower, Steven David Hough, Maja Ignova
  • Patent number: 10995774
    Abstract: Apparatus and methods for pressurizing well operations fluids via a pressure exchanger having a housing with a bore extending between first and second ends of the housing and a rotor rotatably disposed within the bore of the housing. A chamber extends through the rotor between first and second ends of the rotor. The chamber has a larger chamber diameter section and a smaller chamber diameter section. A piston assembly is slidably disposed within the chamber. The piston assembly has a larger piston diameter section slidably disposed within the larger chamber diameter section and a smaller piston diameter section slidably disposed within the smaller chamber diameter section.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: May 4, 2021
    Assignee: Schlumberger Technology Corporation
    Inventor: Rod William Shampine
  • Patent number: 10995606
    Abstract: Methods arc provided for using sonic tool data to investigate a multi-string wcllbore. The sonic data is processed to obtain indications of phase slowness dispersions for multiple locations in the wellbore. The dispersions are aggregated. The aggregated dispersions are compared with a plurality of cut-off mode templates to identify the presence of cut-off modes or the lack thereof in the aggregated phase slowness dispersions. Features of the multi-string wellbore are identified based on the presence of the cut-off modes or the lack thereof. In another method, the sonic data is processed to obtain indications as a function of depth of at least one of an energy spectrum, a semblance projection, a slowness dispersion projection, an attenuation dispersion projection, and a wavenumber dispersion projection. The indications are inspected to locate a shift at a particular depth indicat- ing a transition in at least oneannulus of the multi-string wellbore.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: May 4, 2021
    Assignee: Schlumberger Technology Corporation
    Inventors: Maja Skataric, Sandip Bose, Smaine Zeroug, Bikash Kumar Sinha, Ram Sunder Kalyanaraman, Erik Wielemaker
  • Patent number: 10996357
    Abstract: Embodiments of the disclosure involve a method comprising a method comprising inputting borehole dip data; determining characteristics of a plurality of dips based on the borehole dip data; applying one or more geological models to the characteristics; and generating one or more geological cross-sections based on geological modeling.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: May 4, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Tetsushi Yamada, Josselin Kherroubi
  • Patent number: 10989189
    Abstract: A rotor and/or stator dampening system includes a stator and/or rotor with a liner selected of one or more materials to achieve a desired dampening effect. In one implementation, a progressive cavity motor or pump includes a stator with an internal axial bore therethrough. The stator has a liner along an axial length thereof with an inwardly facing surface defining the internal axial bore therethrough. The liner has a plurality of axial sections with at least two of the plurality of axial sections being constructed of different materials. A compression resistant mechanism, such as a spring or spring-like device, is disposed within at least one of the axial sections of the liner. The progressive cavity motor or pump also includes a rotor that is disposed and is rotatable within the internal axial bore of the stator to form a moving chamber between the rotor and the stator.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: April 27, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Maxim Pushkarev, Shun'etsu Onodera, Samba Ba, Pierre Lauric Dubesset, Peter T. Cariveau
  • Patent number: 10989038
    Abstract: A method can include receiving a maximum depth of cut value of a bit that accounts for bit body formation engagement; receiving a total revolution rate value for the bit that is based at least in part on a differential pressure value of a mud motor; generating a rate of penetration value for the bit as operatively coupled to the mud motor by multiplying the maximum depth of cut value and the total revolution rate value; and operating a rigsite system according to the rate of penetration value for drilling a portion of a borehole using the bit as operatively coupled to the mud motor.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: April 27, 2021
    Assignee: Schlumberger Technology Corporation
    Inventors: Yuelin Shen, Zhengxin Zhang, Wei Chen
  • Patent number: 10989015
    Abstract: A method includes pressing a blend of materials; and forming a degradable grip from the pressed blend of materials. The blend of materials includes a non-degradable material that is not degradable in an aqueous environment and an aqueous degradable alloy material. The pressing step includes using a high pressure and high temperature press.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: April 27, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventor: Indranil Roy
  • Patent number: 10989835
    Abstract: A method for deriving VOI for a hydrocarbon-bearing reservoir fluid model based on DFA data (“true fluid model”) versus an “incorrect fluid model” includes calculating first, second and third objective functions that are based on NPV(s) of simulated production by a reservoir simulator with different configurations. For the first objective function, the simulator is configured with the incorrect fluid model and control variables that are optimized to derive a first group of control variable values. For the second objective function, the simulator is configured with the true fluid model and the first group of control variable values. For the third objective function, the simulator is configured with the true fluid model and control variables that are optimized to identify a second group of control variable values. The objective functions can be deterministic, or can include statistics that account for uncertainty. A visualization of such results with uncertainty is also described.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: April 27, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: William J. Bailey, Benoit Couet, Peter Kaufman, Oliver C. Mullins
  • Patent number: 10982337
    Abstract: A corrosion inhibiting compound with a general structure A-B or A-X-B for inhibition of corrosion of steel in acidic solution. A comprises a heterocyclic ring system having a plurality of cyclic Carbon atoms and at least one cyclic Nitrogen atom, wherein the at least one cyclic Nitrogen atom is neutral under neutral conditions and protonatable under acidic conditions. B comprises at least two unsaturated Carbon atoms. B may comprise a ring system or a polymerisable group.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: April 20, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Lynne Patricia Crawford, Evgeny Borisovich Barmatov, Trevor Lloyd Hughes, Man Yi Ho
  • Patent number: 10983246
    Abstract: The systems and methods provided herein relate to extracting maturity-based properties from input log data obtained by a downhole well logging tool. A maturity inversion is performed using the input log data, a log response model, and at least one maturity model to extract maturity-based properties from the input log data. The maturity-based properties are provided in an output log, such that subsequent down hole operation of the formation may account for the maturity-based properties.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: April 20, 2021
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Laurent Mosse, Erik Rylander, Paul Craddock