|| List of recent Drilling System-related patents
|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.
|Floating structure and riser systems for drilling and production|
An offshore well system for a subsea well, including a floating platform, a drilling riser system connected with the well for drilling operations, and a production riser system connected with the well for production operations. The drilling system also includes a riser tension system.
|Downhole robotic micro-drilling system|
The process of micro-holes can replace the process known as “fracking”. Fracking is being employed; however the process is being reviewed due to safety of human life.
|Drill with remotely controlled operating modes and system and method for providing the same|
The present invention relates to a drilling system with a multi-function drill head used in, among other applications, oil and gas drilling. The system is used to enhance the effective permeability of an oil and/or gas reservoir by drilling or cutting new structures into the reservoir.
|Managed pressure drilling system having well control mode|
A method of drilling a subsea wellbore includes drilling the subsea wellbore and, while drilling the subsea wellbore: measuring a flow rate of the drilling fluid injected into a tubular string; measuring a flow rate of returns; comparing the returns flow rate to the drilling fluid flow rate to detect a kick by a formation being drilled; and exerting backpressure on the returns using a first variable choke valve. The method further includes, in response to detecting the kick: closing a blowout preventer of a subsea pressure control assembly (pca) against the tubular string; and diverting the flow of returns from the pca, through a choke line having a second variable choke valve, and through the first variable choke valve..
|Drilling composition, process for its preparation, and applications thereof|
The present invention additionally relates to the use and preparation of the drilling composition, to a drilling system, to a process for making a borehole, to a process for conveying cuttings, to a process for treating a drill head, and to a process for production of oil and/or gas.. .
|Friction reduction device for drill pipe|
A device to couple to a rotatable drill pipe to control pressure of a drilling system is disclosed. The device includes an inner surface to wrap around a portion of a rotatable drill pipe and having an inner diameter.
|High-speed triple string drilling system|
A drilling system for boring into ground includes a bottom hole assembly having a rotatable casing shoe, an independently rotatable driveshaft disposed within the casing shoe, and a bearing housing interdisposed between the driveshaft and the casing shoe to control a distance between a centerline of the driveshaft and a centerline of the casing shoe. The driveshaft includes a bit disposed at a distal end thereof, extending beyond the casing shoe distal end.
|Systems and methods for sonic subsurface material removal|
A system for removing desired subsurface materials. A drilling system has a sonic drill head assembly capable of rotating a drill string and transmitting oscillating forces to the drill string.
|Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element|
A subterranean drilling system may include a drill string and a rotary drill bit coupled to the drill string. The rotary drill bit may include a bit body and a cutting element coupled to the bit body, with the cutting element being structured to rotate in response to torque applied to the cutting element.
The chemical solvent disclosed includes a means for cleaning and maintaining industrial process components including one or more of a valve, a pump, a pipeline, and a drilling system.. .
|Drilling system with flow control valve|
A technique facilitates drilling of wellbores with a steerable system having a plurality of pads which may be selectively actuated in a lateral direction to apply a side force. Application of the side force is used to steer a drill bit.
|Downhole drilling force assembly and method of using same|
A drilling assembly, drilling system and method is provided. The drilling system includes a drilling rig with a drill string deployable therefrom and drivable thereby.
|Methods of operating a bearing apparatus including tilting pads|
Embodiments of the invention relate to tilting pad bearing assemblies and apparatuses. The disclosed tilting pad bearing assemblies and apparatuses may be employed in downhole motors of a subterranean drilling system or other mechanical systems.
|Directional drilling system|
A technique facilitates drilling of wellbores or other types of bore holes in a variety of applications. A steerable system or other well tool is designed with a plurality of actuators which are positioned to provide controlled steering during a drilling operation.
|Instrumented drilling system|
A technique facilitates drilling of wellbores or other types of bore holes in a variety of applications. A steerable system is designed with a main shaft coupled to a drill bit shaft by a universal joint to provide steering functionality.
|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..
|Systems and methods for detecting drillstring loads|
A drilling system comprises a drillstring including a dill bit, a bottomhole assembly coupled to the drill bit, and a plurality of interconnected tubular members coupled to the bottomhole assembly. A first tubular member includes a communication link having a first annular inductive coupler element disposed in an annular recess in a first end, a second annular inductive coupler element disposed in an annular recess in a second end, and a cable coupling the first annular inductive coupler element to the second annular inductive coupler element.
|Drilling system, biasing mechanism and method for directionally drilling a borehole|
A drilling system for directional drilling of a borehole includes a biasing mechanism having a pivot associated with a lower bearing assembly, an offset mechanism associated with an upper radial bearing assembly, and a toolface controller, whereby the angular relationship of a drill bit and its toolface angle may be actively managed.. .
|Drill bits with axially-tapered waterways|
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 waterways can be radially tapered in addition to being axially tapered.
|Core drilling tools with retractably lockable driven latch mechanisms|
Implementations of the present invention 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.
|Bearing apparatuses and motor assemblies using same|
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.
A drilling system including a drill string (12) which extends into a borehole (10), and a well closure system which contains fluid in the annular space (16) in the borehole around the drill string, the well closure system having a side bore whereby controlled flow of fluid out of the annular space in the borehole around the drill string is permitted, the side bore being connected to fluid return line (28) which extends from the side bore to a fluid reservoir (34), there being provided in the fluid return line a valve (30a) which is operable to restrict flow of fluid along the fluid return line to variable extent, and a flow meter (32) operable to measure the rate of flow of fluid along the fluid return line, the flow meter being located between the valve and the side bore, wherein a filter (40) is provided between the flow meter and the side bore, the filter including a plurality of apertures which have a smaller cross-sectional area than the smallest fluid flow lines in the flow meter.. .
|Modeling and designing of well drilling system that accounts for vibrations|
A method and apparatus associated with the production of hydrocarbons is disclosed. The method, which relates to modeling of drilling equipment, includes constructing one or more design configurations for at least a portion of a bottom hole assembly (bha) and calculating results from each of the one or more design configurations.
|Downhole surveying utilizing multiple measurements|
Certain embodiments described herein provide an estimate of the magnetic interference incident upon a drilling system using multiple magnetic sensors within a downhole portion of the drilling system in a first wellbore. Certain embodiments utilize the magnetic measurements to determine an axial interference resulting from one or more magnetic portions of the downhole portion and to provide an estimate of a relative location of a second wellbore spaced from the first wellbore..