|| List of recent Drilling System-related patents
|Driven latch mechanism|
Implementations include a core barrel assembly having a driven latch mechanism. The driven latch mechanism can lock the core barrel assembly axially and rotationally relative to a drill string.
|Enhanced smear effect fracture plugging process for drilling systems|
This invention relates to drilling a well, particularly an oil or gas well, where casing or liner will be installed to stabilize the wellbore. The present invention is intended to permit more drilling and longer lengths of casing or liner to be installed at one time.
|Wireline drilling system|
A wireline drilling system for the hydrocarbon exploration and production industry incorporating a drilling cuttings removal system which acts to remove and store cuttings displaced by a drill bit during drilling operations. The cuttings removal system may employ a screw member having a tapered lower portion and a narrow upper portion to transport drilling cuttings to a cuttings basket and distribute the cuttings therein.
|Well drilling methods with audio and video inputs for event detection|
A well drilling method can include sensing at least one of audio and optical signals, generating a parameter signature during a drilling operation, the parameter signature being based at least in part on the sensing, and detecting a drilling event by comparing the parameter signature to an event signature indicative of the drilling event. A well drilling system can include a control system which compares a parameter signature for a drilling operation to an event signature indicative of a drilling event, the parameter signature being based at least in part on an output of at least one audio and/or optical sensor, and a controller which controls the drilling operation in response to the drilling event being indicated by at least a partial match between the parameter signature and the event signature..
|Method and system for controlling vibrations in a drilling system|
A control system and method for limiting vibrations in a drilling system, including a drill string and a drive system for providing drive torque for rotating the drill string at a reference frequency. The control system includes a sensor module for determining an uphole parameter of the drilling system, a model module provided with a model of the drilling system and adapted to provide modeled parameters of the drilling system using the drive torque as an input, a model gain module for providing a model gain vector to the model module in response to one or more of the modeled parameters and the drive torque.
A core lifter and method for making same for use in a drilling system. The core lifter can include a tubular body having an exterior surface and an interior surface and can have a plurality of longitudinally-oriented recesses formed in the exterior surface of the tubular body of the core lifter and extending radially inwardly relative to the central axis of the core lifter.
|Bearing assembly including bearing support ring configured to reduce thermal warping during use|
Various embodiments relate to a bearing assembly including a support ring configured to reduce thermal warping under operational temperature conditions, a bearing apparatus that may utilize such a thrust-bearing assembly, and applications that incorporate the disclosed bearing apparatuses such as downhole motors in subterranean drilling systems, directional drilling systems, and many other apparatuses. In an embodiment, a bearing assembly includes a plurality of superhard bearing elements distributed circumferentially about an axis.
|Mining systems and methods|
The present invention provides systems and methods capable of improving the efficiency and effectiveness of leaching operations. In one embodiment, the present invention may utilize a coiled tubing directional drilling system capable of treating interior portions of the heap/formation.
|Horizontal directional drilling system|
The present disclosure provides a drilling machine configuration and related method that avoids drilling mud from contaminating hydraulic fluid that flows through the drive system of the machine. The disclosed system and method provides a drilling mud anti-contamination system that requires infrequent service and a system wherein the service can be quickly and easily performed..
|Rotary steerable drilling system|
A rotary steerable drilling system includes a housing, a drive shaft passing through the housing, a shaft/housing locking mechanism disposed to selectively engage the drive shaft and the housing, and an anti-rotation mechanism disposed to engage a wellbore wall. Shaft/housing locking mechanism includes a first configuration in which rotation of the drive shaft is independent of the housing, and a second configuration in which rotation of the drive shaft causes rotation of the housing.
|Systems, methods, and devices for frozen sample distribution|
A drilling system including a motor that produces a sonic, linear oscillatory motion is provided for removing a frozen biological sample from a stored frozen specimen and methods of use thereof without thawing the remainder of the specimen. The stator and slider assembly is operated by a servo controller which can communicate and be programmed through a port of a pc equipped with software..
|Three rail multi-directional direct cantilever skidding system|
The present subject matter provides a three-rail multi-direction direct cantilever skidding system suitable for an offshore drilling system, where the three-rail multi-direction direct cantilever skidding system comprises movable guides accommodating the cantilever of a jackup drilling unit and enabling transverse skidding rails to provide direct support for the cantilever so the cantilever may be moved in both longitudinal and transverse directions.. .
|Multi-direction direct cantilever skidding system|
The present subject matter provides a multi-direction direct cantilever skidding system suitable for an offshore drilling system, where the multi-direction direct cantilever skidding system comprises movable guides accommodating a cantilever of a jackup drilling unit or other mobile platform and enabling transverse skidding rails to provide direct support for the cantilever so the cantilever may be moved longitudinally and transversely.. .
|Laser systems for drilling holes in medical devices|
Novel laser drilling systems are disclosed. The laser drilling systems are useful for drilling bore holes in medical devices, especially blind bore holes in surgical needles.
|Measuring torque in a downhole environment|
A drilling system may include one or more downhole components to which a torque is applied. To determine the torque, the rotational velocity may be determined at two locations on a downhole component.
|Multi-service supply line system and method|
Present embodiments are directed toward a drilling system that includes a conduit configured to route a pressurized gas to a top drive of a drilling rig. The drilling system also includes one or more cables disposed in the conduit.
|Rotary steerable system for vertical drilling|
A rotary steerable drilling system that is operable to drill vertical wellbores and automatically maintain a vertical wellbore drilling path. The system includes a control module for operating solenoid valves that control an amount of fluid pressure applied to bias pad piston/cylinders.
|Offshore well system with a subsea pressure control system movable with a remotely operated vehicle|
An offshore well drilling system for drilling a subsea well is presented that includes a floating platform, a surface bop stack, a riser, and a driveable environmental safe guard system. The safe guard system includes an upper wellhead connector, a lower wellhead connector, a blowout preventer with shearing blind rams, and a subsea pressure control system.
|Drilling system for deep holes|
The invention is directed to a drill system that better uses the power curve of modern machine tools. The drill system uses a two-step drill, utilizing ic inserts to perform the major hole diameter cutting, and a central drilling system.
|Bearing apparatus having superhard bearing elements|
Bearing assemblies and apparatuses are disclosed. Such bearing assemblies may be employed in bearing apparatuses for use in downhole motors of a subterranean drilling system or other mechanical systems.
|Slotted liner drilling|
Drilling assemblies, systems and methods enable a wellbore to be drilled and lined with a slotted liner. A drilling system includes a liner assembly with a drill string in a bore thereof.
|Drilling system having a super-capacitor amplifier and a method for transmitting signals|
A method and a drilling system that may include a drilling element for drilling a hole in a geological formation; a sensor module arranged to collect information about the drilling; a transmitter that is arranged to receive the information from the sensor module, amplify the information by a super-capacitor amplifier to provide amplified information and to provide the amplified information to a first element and to a second element of an antenna, the first and second elements of the antenna are located at two opposite sides of a band gap; wherein the antenna is arranged to transmit the amplified information via the geological formation; wherein the super-capacitor amplifier comprises a plurality of switched capacitor converters, each switched capacitor converter comprises a plurality of converter stages, each converter stage comprises capacitors and switches that are arranged to perform a current amplification of an input signal; wherein each converter stage is arranged to operate with alternating charge cycles and discharge cycles.. .
|System and method for inhibiting an explosive atmosphere in open riser subsea mud return drilling systems|
A method for inhibiting an explosive atmosphere in a wellbore drilling system, including a riser (12) connected to a wellbore above a top thereof wherein the riser has a fluid outlet (17) below a surface of a body of water in which the wellbore is drilled, and wherein the fluid outlet is connected to a subsea pump to return drilling fluid to a drilling platform on the water surface and wherein a space in the riser (12) above the drilling fluid level filled with air includes pumping drilling fluid into a drill string (15) extending from the drilling platform into the wellbore. Fluid (27) is introduced proximate an upper end of the riser (12).
|Single-waterway drill bits and systems for using same|
Implementations of the present invention include drilling tools having axially-tapered waterways that can increase flushing and bit life, while also decreasing clogging. According to some implementations of the present invention, the drilling tool can have a single notch extending into the cutting face and a plurality of bores extending from the cutting face to an interior space of the drilling tool.
|Continuous circulation and communication drilling system|
An apparatus for performing a wellbore operation includes a drill string having a rigid tubular section formed of a plurality of jointed tubulars and a plurality of valves positioned along the rigid tubular section. Each valve may have a radial valve controlling flow through a wall of the rigid tubular section and a signal relay device configured to convey information-encoded signals.
|Multi-operational multi-drilling system|
A system comprising a drilling platform having a central focus, a plurality of wellbay accesses positioned along a wellbay access perimeter surrounding the central focus, a drilling module, and a peripheral skidding system defining a skidding perimeter surrounding the central focus. Each of the plurality of wellbay accesses is associated with a wellbay substantially therebelow.
|High dogleg steerable tool|
A rotary steerable drilling system may include a substantially non-rotating tool body, a rotatable shaft including at least one pivotable feature, where the rotatable shaft is at least partially disposed within the tool body, and a bias unit that alters the position of the rotatable shaft within the tool body. The rotary steerable drilling system may also include at least one force application member that alters the position of the tool body in the borehole.
|Contingent continuous circulation drilling system|
A method for deploying a tubular string into a wellbore includes: injecting fluid through a top drive and flow sub into a top of the tubular string and lowering the tubular string into the wellbore. The flow sub: connects the tubular string top to a quill of the top drive, is in a top injection mode, and has a closed port and an open bore.
|Path tracking for directional drilling as applied to attitude hold and trajectory following|
A method for directional control of a drilling system, having steps of using an inclination and azimuth hold system to develop a path to be followed by the drilling system, wherein the inclination and azimuth hold system calculates an inclination angle of a tool face and an azimuth angle of the tool, generating a set point attitude to establish the path to be followed by the drilling system and controlling the drilling system to drill along the path obtained by the inclination and azimuth hold system.. .
|Drilling fluid reclaimer|
The present invention is directed to a drilling fluid reclaimer. The reclaimer has at least one adjustable screen assembly for providing a leveling filter for reclaimed drill fluid.
|Rotary steerable drilling system and method|
A drilling system may include an outer sleeve, and a rotary steerable module including a shaft extending within the outer sleeve. The rotary steerable module may further include bearings disposed within the outer sleeve and through which the shaft extends, and cams positioned along the shaft between the bearings.
|Continuous flow drilling systems and methods|
A method for drilling a wellbore includes drilling the wellbore by injecting drilling fluid into a top of a tubular string disposed in the wellbore at a first flow rate and rotating a drill bit. The tubular string includes: the drill bit disposed on a bottom thereof, tubular joints connected together, a longitudinal bore therethrough, a port through a wall thereof, and a sleeve operable between an open position where the port is exposed to the bore and a closed position where a wall of the sleeve is disposed between the port and the bore.
|Three wire press solids dewatering method and apparatus for oil and gas field applications|
A three wire press solids dewatering device and method for unconventional oil and gas field solids management applications, including drilling mud dewatering in a closed-loop drilling system, as well as solids dewatering in flow back and produced water treatment systems, including a single wire belt gravity thickener for inlet solids slurry thickening and distribution, and a twin wire press for thickened solids slurry dewatering.. .
|Overshot assembly and systems and methods of using same|
An overshot assembly for operative coupling to a wireline and a head assembly within a drilling system. The overshot assembly has at least one latch member that securely engages the inner surface of the head assembly without the use of a spearhead..
|Core drilling tools with retractably lockable driven latch mechanisms|
Drilling systems and methods for deploying a latch mechanism upon reaching a drilling position. The drilling systems and methods permit spinning of a drill string to cause a core barrel head assembly to spin through the frictional mating of a landing shoulder of the head assembly and a landing ring of an outer tube assembly.
|Drilling systems and fixed cutter bits with adjustable depth-of-cut to control torque-on-bit|
A drill bit for drilling a borehole in an earthen formation includes a connection member having a pin end. In addition, the drill bit includes a bit body coupled to the connection member and configured to rotate relative to the connection member about a central axis of the bit.
|Downhole receiver systems and methods for low frequency seismic investigations|
Downhole seismic receiver systems that may be compatible with measurement-while-drilling systems. The downhole seismic receiver systems may be integrated into drill-string components, including drill collars of a bottom hole assembly.
|Devices, systems and methods for low frequency seismic borehole investigations|
Downhole seismic sources that may be compatible measurement-while-drilling systems. The downhole seismic sources are integrated into drill string components, including drill collars of the bottom hole assembly.
|Automated directional drilling system and method using steerable motors|
A method for directional drilling of a wellbore includes automatically rotating a drill string having a steerable drilling motor at an end thereof in a first direction so that a measured torque related parameter thereon reaches a first value. The drill string is automatically rotated in a second direction so that the measured torque related parameter reaches a second value lower than the first value.
|Directional drilling tool|
A directional drilling tool is provided, which comprises a first end (2) attachable to a drill string, and a second end (4) attachable to a drill bit. A swivel section (6) is provided intermediate the first and second ends (2,4) and has a first swivel member (18) non-rotatably attached to the first end (2) and a second swivel member (20) rotatably coupled to the first swivel member (18) and rotatable relative thereto about a first axis of rotation which is co-axial with a longitudinal axis (li) of the tool.
|Flux plane locating in an underground drilling system|
A portable locator and method for establishing the location of the cable line in a region which includes at least one generally straight electrically conductive cable line extending across the region from which cable line a locating signal includes a first arrangement for measuring a local flux intensity of the locating signal at a first above ground point within the region with the portable locator in a particular orientation at the first above ground point. A second arrangement uses the local flux intensity to establish a cable line angular orientation which limits the possible directions to the cable line relative to the particular orientation of the portable locator at the above ground point.
|Automated directional drilling apparatus and methods|
Methods and systems for drilling to a target location include a control system that receives an input comprising a planned drilling path to a target location and determines a projected location of a bottom hole assembly of a drilling system. The projected location of the bottom hole assembly is compared to the planned drilling path to determine a deviation amount.
|Modular rig design|
In one aspect, embodiments disclosed herein relate to modular drilling system, the system comprising a first module comprising a first work surface; and a second module comprising a second work surface; wherein the first module is disposed above the second module. In another aspect, embodiments disclosed herein relate to a modular drilling system, the system comprising a first module; and a second module; wherein at least one of the first and second modules comprises oilfield process equipment disposed on the module around a center point..
A multiphase flow meter comprising two venturis separated by a choke. The choke may be varied to adjust the properties of the multiphase fluid flow being measured.
|Graph to analyze drilling parameters|
A method for presenting drilling information includes presenting a display including a graph having a first axis and a second axis. The first axis represents a rate of penetration (rop) of a drill bit into a borehole and the second axis representing a mechanical specific energy (mse) of a drilling system that includes the drill bit.
|Drilling unit operator station|
A horizontal directional drilling system with a removable operator station having a frame, a carriage, a base, and a removable cab. The carriage is moveable relative to the frame to provide thrust and rotation to a drill string.
|Systems and methods for an expert system for well control using bayesian intelligence|
Systems and methods are provided for a well control expert system that provides well control recommendations for a drilling system. The well control expert system includes a well control bayesian decision network (bdn) model that receives inputs and outputs recommendations based on bayesian probability determinations.
|Method and system for reversibly controlled drilling of luminal occlusions|
A luminal drilling system includes a drilling device and a control unit. The drilling device includes an elongate member having a drive shaft with a drill tip.
|Reciprocating and rotating section and methods in a drilling system|
An apparatus including a stationary section having a first central fluid passage and operably connected to a drilling fluid inlet and a conduit, a rotating and reciprocating section having a second central fluid passage and operably connected to a tubular, wherein the rotating and reciprocating section reciprocates along a longitudinal axis and rotates in conjunction with the tubular and the conduit, and a third section having a third central fluid passage in fluid communication between the first and second central fluid passages, where the third section is operably disposed between the first and rotating and reciprocating sections to permit the rotating and reciprocating section to slide axially even during rotation and to permit only rotational motion at an end adjacent the stationary section.. .
|Modular rotary steerable actuators, steering tools, and rotary steerable drilling systems with modular actuators|
Modular actuators, steering tools, and rotary steerable drilling systems are presented herein. A modular actuator is disclosed for use in directing a drill string, which includes a housing proximate a drive shaft.
|Bearing assemblies and apparatuses including tilting superhard bearing elements, and motor assemblies using the same|
Embodiments relate to tilting superhard bearing element bearing assemblies and apparatuses. The disclosed assemblies/apparatuses may be employed in downhole motors of a subterranean drilling system or other mechanical systems.
|Direct drive fluid pump for subsea mudlift pump drilling systems|
A subsea mudlift pump includes a pressure sealed housing disposed in a body of water in which a wellbore is being drilled by a drilling rig disposed above the surface of the body of water. A motor (44) is configured to generate linear motion is coupled to at least one piston (46) disposed within the housing such that operation of the motor causes linear motion of the piston within the housing.
|Rotary steerable drilling system for drilling a borehole in an earth formation|
A bottom hole assembly for drilling a deviated wellbore is provided. The bottom hole assembly includes a drill bit and a connected rotary steerable drilling system, or rss.
|Dual drive directional drilling system|
One aspect of the present disclosure relates to a dual drive drilling system having a plurality of drill rods that make up a drill string and a steering element for controlling the path of the drill string. The dual drive drilling system also includes a drill bit located near the end of the drill string, a first rotational drive for controlling the rotation of a steering element, and a second rotational drive for controlling the rotation of a drill bit.
|Systems and methods for directional drilling|
An underground directional drilling system can comprise a plurality of elongated dual-shaft segments coupled together end-to-end in a drilling string. The segments include an inner shaft that is independently rotable relative to an annular outer shaft, with the inner shafts being coupled together and the outer shafts being coupled together.
|Dual gradient drilling system|
A dual gradient drilling system comprises a primary riser that is coupled to a drilling rig and a subsea wellhead and an auxiliary riser that is coupled to the drilling rig and to the primary riser by a fluid conduit that is disposed at a point between the drilling rig and the wellhead. The fluid conduit provides fluid communication between the primary riser and the auxiliary riser.
|Drilling tool system and method of manufacture|
A drilling system includes a first section of a drilling tool having a collar configured to hold internal components of the first section. The drilling system also includes a second section of the drilling tool configured to be coupled with the first section in a specific orientation relative to the first section.
|Apparatus, system, and method for controlling the flow of drilling fluid in a wellbore|
A drilling system includes a drill string extending through a bop and a drilling fluid discharge coupling mounted to the bop. In addition, the drilling system includes a drilling fluid control system configured to control a pressure or flow rate of a drilling fluid flowing through the discharge coupling.
|Drilling bottom hole assembly having wireless power and data connection|
A bottom hole assembly (bha) configured for use in a drill string of a wellsite drilling system. The bha includes a measuring-while-drilling (mwd) module, a wireless power and data connection, and a rotary steerable system (rss).
|Gas injection for managed pressure drilling|
Injection of gas into a managed pressure drilling system to provide for operation of the drilling system in a pressure window defined by the pore pressure of a formation being drilled and a fracture pressure of the formation. The gas is injected through gas injection ports and drilling fluids are allowed to flow between the drilling annulus and the gas injection system though a plurality of flow ports that are disposed vertically below the gas injection ports in the borehole being drilled.