Abstract: Vacuum glass includes a piece of upper glass, a piece of lower glass, and a closed vacuum layer sandwiched between the upper class and the lower glass, the peripheries of the upper glass and the lower glass are in seal connection using two or more layers of sealing material, the upper glass and the lower glass are convex glass or flat glass, convex surfaces of the convex glass face outward, and supports are disposed between two pieces of flat glass. The manufacturing method of the vacuum glass is simple, the prepared vacuum glass and tempered vacuum glass solve the defects in the prior art, can ensure the airtightness and service life of the vacuum glass, and are suitable for mechanization, automation, and mass production.

Abstract: Certain example embodiments of this invention relate to edge sealing techniques for vacuum insulating glass (VIG) units. More particularly, certain example embodiments relate to techniques for providing localized heating to edge seals of units, and/or unitized ovens for accomplishing the same. In certain example embodiments, infrared (IR) heating elements are controllable to emit IR radiation at a peak wavelength in the near infrared (NIR) and/or short wave infrared (SWIR) band(s), and the peak wavelength may be varied by adjusting the voltage applied to the IR heating elements. The peak wavelength may be selected so as to preferentially heat the frit material used to form a VIG edge seal while reducing the amount of heat provided to substrates of the VIG unit. In certain example embodiments, the substrates of the VIG unit do not reach a temperature of 325 degrees C. for more than 1 minute.

Abstract: A spacer frame assembly and method of assembly includes a substantially linear channel having first and second ends. The substantially linear channel that when assembled includes at least four sides and corresponding corners between each of the sides. The spacer frame assembly also has a connecting structure located at one of the first and second ends and an opposite frame end located at the other of the one of first and second ends. The opposite frame end has an inner channel for receiving a nose portion of the connecting structure. The spacer frame assembly also includes a stop extending from the connecting structure for locating the opposite frame end when in the assembled position.

Abstract: A base structure and associated method for converting the base structure into an operable vane on a shade for an architectural opening. The base structure includes a back sheet and a front sheet attached together in engagement regions spaced along the length of the back sheet and front sheet. The front sheet is separated into front strip sections having a free end. Operating elements are positioned along the back sheet and situated so as to move relative thereto. The operating elements are attached adjacent to a free end of the front strip. Movement of the operating elements actuates the free end of the front strip to move from a closed position to an open position as desired by the user.

Abstract: A platform ladder apparatus (2) has a transport position and a use position in which the apparatus is arranged to lean against a wall (W) for performing work at an elevated level. The apparatus (2) has a ladder (4) and a working platform (20). A proximal side of the platform is pivotally connected at an upper end of the ladder such that it may be pivoted towards the ladder (4) to a stowed position essentially parallel to the ladder (4). The apparatus further comprises a pair of wall support arms (80) for stabilizing the apparatus in the use position in relation to the wall. The wall support arms (80) are connected to the platform (20) for movement between a stowed arm position in which the arms (80) project out from a distal side (24) of the platform (20) thereby preventing use of the apparatus, and a stabilizing arm position in which the arms (80) project sideways from the platform (20) in opposite lateral directions, respectively, for stabilizing the apparatus (2) in relation to the wall (W).

Abstract: A method of estimating a state of a rotary steerable drilling system comprising applying a control input to a rotary steerable drilling system, sensing an actual output of the rotary steerable drilling system, inputting the control input into a mathematical model of the rotary steerable drilling system, receiving an estimated output of the rotary steerable drilling system from the mathematical model, generating an error compensation signal based on a difference between the actual output and the estimated output, and applying the error compensation signal to the mathematical model.

Abstract: A steering head for use with a casing, the steering head having a body with a first body end with a lead edge, a second body end with a rear edge, and a body surface extending from the lead edge to the rear edge, an outer tube with an internal side generally facing the body surface, the outer tube extending from the first body end to the second body end, and a steering flap disposed on an external side of the outer tube having a first flap face facing radially inwardly and a second flap face facing radially outwardly. A fluid dispenser is disposed in a void defined between the outer tube and the body.

Abstract: A rock drill bit includes a head provided at one end of an elongate shank. A plurality of fluid flushing passageways extend axially from an internal bore extending through the shank with at least one fluid flushing passageway having an exit end at the front face formed as an elongate slot having a length greater than a width to facilitate the rearward transport of cut rock fragment.

Abstract: A cutting element for use in a drilling bit and/or a milling bit having a cutter body made of a substrate having an upper surface, and a superabrasive layer overlying the upper surface of the substrate. The cutting element further includes a sleeve extending around a portion of a side surface of the superabrasive layer and a side surface of the substrate, wherein the sleeve exerts a radially compressive force on the superabrasive layer.

Abstract: A wet connection system suitable for use in hydrocarbon wells is formed from one or more elongated, small diameter conduits which extend down the wellbore and which terminate adjacent a locating structure on the production tubing. Equipment deployed at the locating structure is connected to one or more self supporting conductors which extend down the conduits from the wellhead. Preferably the conductors are retractable and the conduits are sealingly connected to the equipment, allowing the equipment and conductors to be deployed and recovered independently of each other and to be flushed with dielectric oil pumped down the conduits after re-connection.

Abstract: A stabilizer device is provided for a mud motor drilling assembly. The stabilizer device may be mounted to a motor housing having one or more grooves or ridges. The stabilizer device may include a stabilizer body, a threaded portion, and a clamp. The threaded portion may be positioned between the one or more grooves or ridges and the clamp. The threaded portion may include an external surface having threads. The threads on the external surface of the threaded portion of the stabilizer device may correspond to threads on an internal surface of a clamp. The threaded coupling of the clamp to the stabilizer device may couple the stabilizer device to the motor housing at the one or more grooves or ridges.

Abstract: A mobile offshore drilling unit is converted to provide drilling, completion and workover access to multiple dry tree wells from a drilling derrick to allow production and export of oil and gas from high pressure, high temperature reservoirs in deep offshore waters. Existing practice has been for the drilling derrick on a production platform supporting dry tree wells to be moved over a fixed well slot. The present invention provides a movable wellbay that supports multiple top-tensioned subsea well tieback risers, which may be positioned directly below the derrick's rotary table and/or beneath another operating device. The use of top-tensioned subsea well tieback risers supported by the movable wellbay allows the converted facility to drill, complete, maintain, improve and produce from subsea wells through dry trees.

Abstract: A drawworks assembly including a drum including a first end, a second end, and a longitudinal axis, a coupling assembly configured to transmit torque to the drum, and a cradle assembly configured to support the drum, wherein the coupling assembly is releasably coupled to the drum at a first planar engagement interface disposed at the first end of the drum, wherein the cradle assembly is releasably coupled to the drum at a second planar engagement interface disposed at the second end of the drum.

Abstract: A drilling machine having: a string of telescopic rods provided with an excavation tool; a winch having a drum associated with a motor; a flexible pulling element connected on the one hand to the drum and on the other hand to the string of telescopic rods; a manual control element of the winch that can assume a first position, a second position and a third position; a control system configured for controlling the motor, in a first operating mode, so as to unwind the flexible pulling element from the drum when the manual control element is in the first position, wind the flexible pulling element on the drum in order to raise the string of telescopic rods when the manual control element is in the second position, stop the drum when the manual control element is in the third position; wherein it comprises a first manual selector adapted to select a second operating mode, and in that the control system is configured for controlling the motor, in the second operating mode, so as to wind the flexible pulling elemen

Abstract: A weight compensating pipe stabbing assembly utilizes bail mounting members operationally attached to bail members of a drilling rig. At least one compensation cylinder is mounted to each bail mounting member, while a cable or other linkage member extends from each cylinder assembly to a set of single joint elevators.

Abstract: The invention concerns a modular system for controlling subsea operations. The modular system comprises a control room structure at a top side location, the control room structure is provided with a fixed modular connection assembly. The interior of the control room structure is prepared for accommodation f a set of replaceable control modules comprising at least one dedicated control module provided for controlling a corresponding operational well tool. The said set of replaceable control module(s) is selected in accordance with a chosen subsea operation for accommodation in the control room structure. The said set of replaceable control module(s) accommodated in the control room structure is connected to the fixed modular connection assembly for establishing communication between the at least one dedicated control module and its corresponding operational well tool. The invention also concerns a method for controlling subsea operations.

Abstract: A system of tubulars includes a non-expandable mandrel having a body including an uphole end, a downhole end, and an outer surface. The non-expandable mandrel includes one or more slip members that are outwardly extendable relative to the outer surface. A seal assembly is arranged at the downhole end of the non-expandable mandrel. The seal assembly is settable after outward expansion of the one or more slip members.

Abstract: A locking mandrel and running tool combination for setting equipment such as flow control devices in wellbore tubing is disclosed. The apparatus uses a translatable collet to move an expander mandrel to wedge against inwardly biased locking keys to force the locking keys outward into the recesses of landing nipples in the wellbore tubing. The translatable collect is released to move only b upward shearing forces on retaining pins and the running tool is released from the locking mandrel only by upward rather than downward shearing forces on retainer pins.

Abstract: Provided is a device for converting rotary motion into oscillatory axial motion, which device comprises: (a) a rotation element (1); (b) a base element (2); and (c) one or more bearings (3) for facilitating rotary motion of the rotation element relative to the base element; wherein the rotation element and/or the base element comprise one or more raised portions (4) and/or one or more lowered portions (5) over which portions the one or more bearings (3) pass in order to periodically increase and decrease axial distance between the rotation element (1) and the base element (2) as rotation occurs, thereby imparting an oscillatory axial motion to the rotation element (1) relative to the base element (2).

Abstract: A downhole tool for conveyance within a wellbore extending into a subterranean formation. The downhole tool includes a sealing material and a laser apparatus, and is operable to create and fill a void with the sealing material to form a plug during a plug and abandonment operation.

Abstract: A method and system for transmitting signals from a distributed acoustic sensor, DAS, into a well through at least one pin penetrator running from a downhole side to a top side of a subsea wellhead, and without degrading quality of the signals. The method includes: connecting a first assistant recording package, ARP, between the DAS and the at least one pin penetrator on a downhole side of the wellhead; connecting a second ARP between a data acquisition system and the at least one pin penetrator on the topside of the well head; converting DAS signals to electrical signals by the first ARP and performing signal conditioning; transmitting signals received from the DAS sensors, from the first ARP and through the wellhead to the second ARP. The system implements the method.

Abstract: The present application refers to individual subsea solutions to be applied in a production well for gas-liquid separation and an injection well for compression or pumping of gas or water current in subsea systems of oil exploration. Said solutions refer to a unit for gas-liquid separation mountable in a production well, which includes a unit of gas-liquid separation directly connected to an adapter base of production BAP or “Tubing Head”; and a unit for compression/pumping mountable in an injection well including a unit of compression or pumping that is directly connected to a BAP or (“Tubing Head”), the flow line having gas or water to be injected connected to the BAP or (“Tubing Head”).

Abstract: An annular elastomeric packer for a blowout preventer includes a first insert including an upper flange extending between a radially inner end and a radially outer end, a lower flange extending between a radially inner end and a radially outer end, and a rib extending between the upper flange and the lower flange, wherein the rib includes a length extending between an upper end and a lower end of the rib, a second insert including an upper flange extending between a radially inner end and a radially outer end, a lower flange extending between a radially inner end and a radially outer end, and a rib extending between the upper flange and lower flange, wherein the rib includes a length extending between an upper end and a lower end of the rib, an elastomeric body coupled to the first insert and the second insert, and including an inner sealing surface.

Abstract: This disclosure includes systems and methods for actuating hydraulically-actuated devices.

Abstract: A subsea compact cutting system operable for cutting pipe utilizing two gates. Each gate preferably has a blanking portion and an opening through the gate. A first gate is moveable only between an open throughbore position and a partially open throughbore position. A second gate is moveable between an open throughbore position and a closed throughbore position. To cut pipe and seal off the throughbore, the first gate is moved to a position where a cutting element on the first gate is centrally located in the throughbore. The second gate moves to seal the throughbore. A cutting element on the second gate interacts with the cutting element on the first gate to cut pipe in the throughbore.

Abstract: Three or more overlapping sealing members arranged circumferentially around a passage in a supporting body form an annular seal around a pipe inserted into the passage.

Abstract: A drillable oilfield tubular plug that employs clutch faces, drilling features, anti-rotation features, and composite materials to facilitate quicker drill-out operations after the plugs have been utilized.

Abstract: A system for cementing a tubular in a wellbore that includes a sleeve made up of an annular housing with a cement seal on outer surface of the housing. The sleeve further includes a sliding block, a stationary block, an arm attached to the sliding block, and a passage formed through a sidewall of the housing, and that receives a free end of the arm. When the sleeve inner bore is pressurized, the arm moves to move the sliding block into an open space in the stationary block. Inserting the sliding block into the open space forms a seal on the outer periphery of the sleeve which forms a barrier to cement flowing in an annulus between the sleeve and inner surface of the wellbore. Lost circulation material can be deposited in the annulus and which settles along an interface between the seal and wellbore wall.

Abstract: A wellbore completion system includes a container for delivering plugs or other objects to a wellbore. The container includes a sleeve having a sealing surface at a first end and a geared interface at a second, opposing end. The sealing surface includes voids or apertures that align with or obstruct apertures in a diverter plate, depending on the position of the sleeve, to permit or obstruct annular flow around the sleeve, respectively. A ball valve is coupled to the second, opposing end of the sleeve, and has a valve-geared interface that engages the geared interface of the sleeve. A releasable object, such as a cement wiper plug, may be stored within the conduit of the sleeve. The geared interface relates movement of the ball valve to movement of the sleeve, resulting in simultaneous opening of the valve, closing of the annular flow path, and release of the releasable object.

Abstract: The invention is a cleaning device and method for cleaning an oil well-bore. The device includes a longitudinal passage and plurality of distribution passages extending from it and terminating near the exterior of the cleaning device in fluid ejection ports which have a progressively widening diameter towards their outermost end. The distribution passages and ports are oriented around a longitudinal axis of the device such that on injection of pressurized cleaning fluid into the longitudinal passage, jets of cleaning fluid are ejected from the ports. The ejected jets being substantially tangential to the outer surface of the device, generate rotational torque on one or more components of the device and cause them to spin. The device may further include a supplementary attachment such as a dual-purpose drilling bit. To perform cleaning, the device is connected to one end of a coiled tubing and is inserted in the well-bore.

Abstract: The disclosure relates to reconditioned sucker rod, particularly to the sucker rods already used in the mechanical deep-pumping extraction of oil. The sucker rod comprises metal rod ends and a non-metallic body. The method of remanufacturing of reconditioned sucker rod includes subjecting used non-metallic sucker rods to a destructive pull test.

Abstract: A method of modeling effects of operational procedures during startup of a fluid production or injection system at a field includes determining initial conditions of the field at a first time based on field measurements of the field. The method also includes simulating startups of the fluid production or injection system based on the initial conditions. The method further includes determining operational procedures for starting up the fluid production or injection system based on the simulated startups. The method also includes determining whether a startup command has been received. The method further includes sending instructions to startup the fluid production or injection system using the operational procedures when the startup command is received.

Abstract: The disclosed device provides a high-accuracy plunger arrival detection system comprising a low-power magnetometer with high sensitivity and which is capable of sampling low or high intensity magnetic fields. The device processes gathered data from sensors, stores at least some processed data in memory, executes a trending algorithm which compares the magnetic field of the plunger to the ambient magnetic field or a predetermined set of initialization values, and generates an output which is relayed to a well controller. An output signal may be via hard wire, RF, wireless or other known means. In addition, the implementation of two sensing devices mounted in series and in spaced relation to each other, can provide for an actual plunger average velocity. An actual plunger average velocity, as opposed to approximate average velocity, can be used to better optimize well control and improve safety of the overall well production system.

Abstract: A virtual sensor system includes one or more electric submersible pumping systems deployed in a reservoir and a computer system that receives data from the one or more electric submersible pumping systems. Field data is provided to computerized statistical models for predicting whether individual electric submersible pumping systems and the reservoir have undergone changes in condition. The statistical models are established with reference data obtained by running electric submersible pumping systems of known working condition in test wells under a variety of controlled conditions.

Abstract: Described herein are methods and techniques that utilize molecular geochemistry and isotopic signatures to monitor microbial enhanced gas and oil recovery operations. The methods and techniques utilize multiply substituted isotopologue signatures, clumped isotope signatures, and/or position-specific isotope signatures of one or more byproducts of the microbial stimulation techniques to determine the effectiveness of a microbial stimulation technique.

Abstract: Methods and materials for sand control in water injection sites are disclosed. Proppant particles may be coated with some particles coated with a solid epoxy and other proppant particles coated with a solid epoxy curative (such as amine, hydroxyl, carboxyl, anhydride) that would bind the particles through an epoxy reaction. The invention may be advantageous for forming underground structures useful in the extraction of hydrocarbons.

Abstract: Systems and methods for managing fuel and electrical power on a drilling rig, modifying the number of gensets in use before a change in power consumption is needed, and determining fuel savings are provided. The management includes determining an amount of emission reductions based on the fuel savings, and the emission reduction is based on reduction of carbon dioxide emissions, the fuel savings, or both.

Abstract: A way to analyze/visualize the options available to safely and effectively drill an oil or gas well through a pore pressure/fracture gradient (drilling) window is presented. This method has not been previously recognized or developed and switches the focus from the traditional view using a pressure gradient (mud weight or density) to a view using pressure relative to the pressure that would be supplied by the mud weight that is in the well at a static condition (the baseline). This analysis/visualization has many advantages. It is easy to integrate Managed Pressure Drilling Operations, Horizontal wells, information from logging while drilling tools and in a real-time environment allows for the impact of operational fluctuations to be readily assessed and modeled. It is also envisaged that this analysis/visualization will enable regulatory authorities to better assess the safety of well operations reinforcing their ability to influence safe and effective drilling.

Abstract: In drilling into a subterranean formation, several factors influence the rate of penetration, including, but not limited to, the type of formation being drilled, the weight on bit, and the rotational speed of the drill bit. Disclosed are a system and method for controlling the rotational speed of a drill bit based on regulation of fluid flow to the motor driving the bit, while maintaining at least a minimum flow of fluid to the annulus to clear debris from downhole during drilling. Regulation of fluid flow to the motor and to the annulus may be accomplished utilizing a flow diverter configured to adjust a flow ratio depending on drilling conditions in order to maximize efficiency of the motor downhole during drilling.

Abstract: Reelable sensors arrays are independently fabricated separate from a downhole tubular. The sensor arrays are then reeled together onto a spool. At the well site, the sensor array is unreeled from the spool and attached to the tubular as it is deployed downhole, resulting in a fast and efficient method of sensor deployment.

Abstract: Provided is an acoustic housing including a cover including a first perimeter defining an open cover portion, the cover having a cover length, and a cover height, and a body including a second perimeter defining an open body portion, wherein either the first or second or both perimeters are chamfered, configured to receive one or more electrical components and to sealingly engage with the first chamfered perimeter, the body having a body length, a body height, and an under-surface, and the body including an engagement portion projecting from the under-surface and having an engagement length, an engagement height, and an engagement surface configured to engage an outer surface of a tubular.

Abstract: Systems, methods, and computer-readable media for downhole line detection. A system can send an electrical signal down an electric line that runs down an outside of a downhole casing of a wellbore. A downhole sensor system located at a downhole location inside the downhole casing can detect a magnetic field generated by a current of the electrical signal. Next, the system can identify a one or more characteristics of the magnetic field and/or the electrical signal. Based on the one or more characteristics, the system can determine a first position of the electric line relative to the downhole casing or the downhole sensor system. The system can then infer, based on the first position of the electric line, a second position of a non-electroconductive cable that runs alongside the electric line outside of the downhole casing of the wellbore.

Abstract: Systems and methods are provided for generating a phase compensated numerically controlled signal using a fixed-point algorithm. In one example, a method includes receiving, at a downhole device, parameters including an input frequency and a compensation value. The method further includes converting, based on the parameters, the input frequency to a delta phase value. The method also includes calculating, with the downhole device, an accumulation error for a digital signal. In response to determining that the accumulation error is greater than or equal to the compensation value, the method removes the accumulation error from the digital signal to generate an output signal.

Abstract: A drilling dynamics data recorder is positioned within a slot in a downhole tool. The drilling dynamics data recorder may include a sensor package, the sensor package including one or more drilling dynamics sensors and a processor, the processor in data communication with the one or more drilling dynamics sensors. The drilling dynamics data recorder may also include a memory module, the memory module in data communication with the one or more drilling dynamics sensors and a communication port, the communication port in data communication with the memory module. The drilling dynamics data recorder may further include an electrical energy source, the electrical energy source in electrical communication with the memory module, the one or more drilling dynamics sensors, and the processor.

Abstract: An umbilical, residing in a tubing section of a drill string, for providing data uphole and downhole. The umbilical having a tubing wall, a plurality of wires and a plurality of communication devices. The tubing wall separating an interior and an exterior of the umbilical. The plurality of wires is located in the interior of the tubing section and includes at least one power wire and at least one data communication wire communicatively coupled to each of the plurality of first communication devices. Each communication device is configured to wireless receive sensor data from a tool assembly and to transmit the received sensor data uphole via the communicatively coupled at least one communication wire. The umbilical residing in an interior of a tubing section of a drill string and the tool assembly coupled with an exterior of the tubing section of the drill string.

Abstract: Techniques for controlling hydrocarbon production includes (i) identifying a plurality of reservoir measurements of a subterranean hydrocarbon reservoir located between at least one injection wellbore and at least one production wellbore; (ii) processing the identified plurality of reservoir measurements to generate a petrophysical model of the subterranean hydrocarbon reservoir; (iii) determining, based on the petrophysical model, a flow of an injectant from the injection wellbore toward the production wellbore; and (iv) adjusting an inflow control device (ICD) positioned about the production wellbore based on the determined flow of the injectant.

Abstract: Systems and related methods to alter and optimize the placement of fracture initiation points through utilization of mineralogy.

Abstract: System and methods for monitoring well site drilling operations using event detection and visualization are provided. Well site data related to a drilling operation is obtained from one or more data sources. Values of one or more wellsite parameters are monitored over a current time period during the drilling operation, based on the obtained well site data. Upon detecting at least one event of interest occurring during the current time period, based on the monitored values, an interactive timeline visualization of the detected event of interest is provided for display to a user relative to a duration of the drilling operation.

Abstract: A method of evaluating a fluid from a subterranean formation drawn into a downhole tool positioned in a wellbore penetrating the subterranean formation is provided. This method involves drawing fluid from a formation into a flowline, measuring at least one property of the fluid in the flowline and detecting stabilization of the property or properties of the fluid in the flowline. An electrochemical sensor for measuring contents of a fluid or gas at high pressure and/or high temperature may be used.

Abstract: A rock bolt system includes a fitting having a main body defining a central opening configured to receive a rock bolt, with the main body defining a grout opening in fluid communication with the central opening, and a grout body defining a space between the main body and the grout body. The main body is rotatable relative to the grout body, with the grout body defining a resin port and a catalyst port. The resin port and the catalyst port are in fluid communication with the space and the grout opening of the main body. A rock bolt defines a central opening, with the central opening of the rock bolt configured to be in fluid communication with the central opening of the fitting when the rock bolt is secured to the fitting.