Abstract: A console apparatus for an automobile includes: a console main body (11), disposed between a left seat and a right seat of the automobile; arm rests (15a, 15b), supported at the console main body (11) in a manner of being capable of sliding in the front-rear direction of the automobile; a locking unit, locking the forward slide of the arm rests (15a, 15b) when the arm rests (15a, 15b) are located at a moving rear end position (P2); an unlocking unit, unlocking the arm rests (15a, 15b) locked by the locking unit at the moving rear end position (P2) according to an unlocking operation; and a force applying unit, applying a forward force to the arm rests (15a, 15b) when the arm rests (15a, 15b) are located at the moving rear end position (P2).

Abstract: The object of the present invention is a motor vehicle door latch which is equipped with a locking mechanism (2, 3) predominantly consisting of a catch (2) and a pawl (3). Furthermore, a spring-impinged storage element (8) is provided for which maintains the pawl (3) in an elevated storage position during an opening process of the locking mechanism (2, 3) until the catch (2) is opened. According to the invention, the spring-impinged storage element (8) is formed as a leg spring (8) which is anchored in the latch with its one leg (8b) and with its other leg (8a) in the storage position maintains the pawl (3) in the elevated position and is braced on the catch (2) to this end.

Abstract: A camera housing includes a simplified draw latch for securing a first portion and a second portion of the camera housing together. The draw latch can include a draw hook and a wireform mid-linkage. The draw latch enables a user to easily open and close a camera housing, and to establish an air-tight or water-tight seal between the housing portions for use in various activities, including scuba diving.

Abstract: A cabinet closure device is made from a section of cord and utilizes two cord stop devices to form a loop of cord that is adjustable and securable around two objects to be secured. A user slides the closure device around two objects and then pulls on both of the loop ends to secure the closure device around the objects. To release the closure device, the user need only release the cord stops and the closure device will be loosen and the objects released. For the best function, the knot on the end of the cord that does not have the cord stop should be pulled tight against the main cord stop. Once the unit is placed around the knobs of a cabinet, the user can simply pull the 2nd cord to tighten the device. Once tight, the additional cord stop can be slid upwards abutting the main cord stop.

Abstract: Disclosed herein are hinge devices having reduced or minimized free play. Specifically, disclosed herein are hinge devices having surface elements positioned on a surface of a hinge component to reduce or eliminate any free play present between interacting hinge components. In one or more embodiments, the hinge includes a first hinge component having a first guide and a second hinge component having a second guide, wherein the second hinge component is rotatably mounted on at least one surface of the first hinge component such that the first guide is positioned within the second guide or the second guide is positioned within the first guide. At least one surface element is disposed on a surface of the first guide or the second guide to provide a reduction in free play at a location of the at least one surface element.

Abstract: A sliding closing element for a sliding closing element arrangement of a vehicle, the sliding closing element arrangement comprising at least one rail that is adapted for slidably supporting the sliding closing element, the sliding closing element comprising at least one fail safe sliding arm assembly with at least one bogie support arm and at least one safety arm, the at least one bogie support arm comprising at least one bogie assembly with at least one guide roller that is adapted for rolling along the at least one rail in operation, and the at least one safety arm being adapted for retaining the at least one fail safe sliding arm assembly on the at least one rail in case of a failure of the at least one bogie support arm.

Abstract: A damper for a storage compartment closure includes a bellows chamber and damper air passage structures each configured to provide an air volume intake during a bellows chamber extension that is less than an air volume expulsion during a bellows chamber compression. One damper air venting structure is a valve having a translatable lid including an aperture defined therethrough. A bellows chamber air pressure differential maintains the translatable lid in a closed configuration during the bellows chamber extension and in an open configuration during the bellows chamber compression. Another damper air venting structure is at least one bellows chamber vent including a cover configured whereby a bellows chamber extension incrementally transitions the cover to a closed configuration.

Abstract: A door opening system includes a trailer that has a door and the door has a door handle. A tool is provided and the tool may be manipulated. The tool has a striking surface to strike an object when the tool is swung at the object. The tool has a gripper and the gripper engages the door handle thereby facilitating the door handle to be manipulated. The gripper has a functional width of at least thirty two mm. The tool has a first hook to engage a device thereby facilitating the device to be remotely manipulated. The tool has a tapered end to engage a ratchet thereby facilitating the tool to rotate the ratchet.

Abstract: A door entryway system is disclosed. The door entryway system may have a door sweep capable of attachment to a bottom of a door panel and a threshold assembly. The threshold assembly may include a threshold substrate, an upwardly open sill channel on the substrate and a substantially rigid threshold cap biased upwardly, and vertically adjustable by rotating during interaction with the door sweep. The threshold cap and door sweep contact to form a sealing barrier when the door panel is in a closed position. The threshold assembly may also include a cap base formed separate from the threshold cap, the cap base at least partially positioned within the sill channel, the cap base supporting the threshold cap.

Abstract: An article of manufacture for use as an insulated overhead door that is designed to roll open and closed in tracks, with a sheet of thermoplasitc material that acts as the outer door membrane and barrier to entry, a sheet of insulating material that acts as a base insulating barrier adhered to the thermoplastic membrane.

Abstract: A modular rail assembly for securing a panel in a door or window, comprising a rail framing member having vertically-oriented sides interconnected by a partition plate to form first and second receiving channels on opposite sides of the partition plate, the second receiving channel defined at a top side by the partition plate and on opposing sides by receiving channel walls, and a rail base extension slideably secured within the rail framing member second receiving channel. The rail base extension includes vertically-oriented sides interconnected by a partition plate, the rail base extension sides having mating surfaces on opposing external surfaces thereof for mating with internal surfaces of the rail framing member second receiving channel walls. A fastener secures the rail base extension to the rail framing member, and a panel is secured along a longitudinal axis thereof in the first receiving channel of the rail framing member.

Abstract: A retractable cellular shade is illustrated in various embodiments to consist of a support structure that could assume numerous forms including cellular material, flexible sheets of material, tapes or ribbons, or flexible monofilaments or similar cords of natural or synthetic fibers with the support structure supporting a plurality of vanes or slats in various configurations and orientations. The movement of the vanes or slats is totally dependent upon movement of the support structure. The fabric so formed can be incorporated into a covering for architectural openings with the covering including a headrail with means for gathering the fabric material within the headrail.

Abstract: A ladder has first and second support members, joined at their upper ends by a hinge. The first and second support members have left rail and a right rail that support plural first and second steps. Steps secured to the rails a fixed distance apart and are staggered so that the steps of the first support member begin at a different elevation than the steps of the second support member. The steps are wider than the rails to provide a larger surface for a user to stand. The ladder has a deployed position in which first ends of the first and second supports remain close and the second ends are spread apart and held in a distance apart by a spreader bar. Upon drawing the second ends of the first and second supports together, the steps of the first and second support member do not touch or interfere and may interleave.

Abstract: Variably configurable anti-rotation device (252) in a rotary steerable subterranean drill (20). The rotary steerable subterranean drill (20) includes a housing (46) with which the anti-rotation device (252) is associated. Wellbore engaging portions of the anti-rotation device (252) are positioned at an exterior (52) of the housing (46) and have a plurality of differently configurable, radially deployable drag members (254) that are peripherally spaced about the exterior (52) of the housing (46). The drag member (254) has a plurality of settable operational configurations wherein, within each configuration, the drag member (254) is deployable across a borehole engaging range of motion spanning from a start position to a maximally extended, borehole engaging position. Additionally, for at least two of the plurality of settable operational configurations, the start position of the borehole engaging range of motion is different.

Abstract: A drill bit that includes a bit body having one or more blades extending therefrom and a plurality of cutters secured to the one or more blades. One or more rolling elements are positioned on the bit body, each rolling element having a cylindrical bearing portion defining a rotational axis. Each rolling element is rotatably coupled to the bit body about the rotational axis within a corresponding pocket defined in the bit body and a locking pin secures the rolling element within the pocket. One or more internal bearing surfaces of the pocket engage the cylindrical bearing portion and the pocket partially encircles the cylindrical bearing portion while leaving a full length of the rolling element exposed.

Abstract: An invented reamer provides an annular body supporting two or more blades wherein each blade includes a spiral section disposed between two tapered sections placed on an exterior of the body. The spiral section fixes a plurality of a one type of cutting insert, e.g., tungsten carbide inserts, and the two tapered sections may each fix cutting inserts of an alternate type, e.g., polydiamond inserts. Certain embodiments provide of the tapered sections have a first flat surface area that extends towards and away from a central longitudinal axis of the annular body and/or a second surface area that positions cutting surfaces of attached cutting inserts linearly along a line that intersects the central longitudinal axis.

Abstract: Methods of fabricating polycrystalline diamond include subjecting a particle mixture to high pressure and high temperature (HPHT) conditions to form inter-granular diamond-to-diamond bonds. Before being subjected to HPHT conditions, the particle mixture includes a plurality of non-diamond nanoparticles, diamond nanoparticles, and diamond grit. The non-diamond nanoparticles includes carbon-free cores and at least one functional group attached to the cores. Cutting elements for use in an earth-boring tool include a polycrystalline diamond material formed by such processes. Earth-boring tools include such cutting elements.

Abstract: A cutting element for an earth-boring tool includes a volume of superabrasive material having a cutting face and a shaped feature on the cutting face. The shaped feature may include at least one of a recess extending into the volume of superabrasive material from the cutting face and a protrusion extending outward from the cutting face. A first portion of the cutting face may have a first surface roughness, and a second portion of the cutting face may have a second surface roughness greater than the first surface roughness of the first portion of the cutting face. The volume of superabrasive material may be disposed on a substrate. Methods of forming cutting elements may include forming one or more shaped features in a cutting face of the cutting elements. Earth-boring tools may include such cutting elements.

Abstract: Chemical methods, optionally in combination with physical methods, may be used to increase the strength of the bond formed by a braze material between a polycrystalline material and a hard composite. Such polycrystalline materials brazed to hard composites may be found in various wellbore tools include drill bit cutters. An exemplary method may include forming a bonding layer on a bonding surface of a polycrystalline material body that comprises a hard material, the bonding surface opposing a contact surface of the polycrystalline material body, and the bonding layer substantially formed by a [111] crystal structure of the hard material, a [100] crystal structure of the hard material, or a combination thereof; and brazing the bonding layer to a hard composite using a braze material.

Abstract: Method of operating earth-boring tools may involve activating a selectively activatable hydraulic fracturing device secured to the earth-boring tool to impact an underlying earth formation with a fluid from the selectively activatable hydraulic fracturing device. A crack may be at least one of initiated or propagated in a portion of the underlying earth formation utilizing the fluid in response to activation of the selectively activatable hydraulic fracturing device. The selectively activatable hydraulic fracturing device may be subsequently deactivated. Earth-boring tools may include a selectively activatable hydraulic fracturing device configured to transition between an activated state in which fluid is permitted to flow through the selectively activatable hydraulic fracturing device to engage with an underlying earth formation and a deactivated state in which fluid does not flow through the selectively activatable hydraulic fracturing device.

Abstract: A method for constructing a tubular connection assembly includes forming a first tubular having a first inner diameter, a first wall thickness, and a first connection end, forming a second tubular having a second inner diameter, a second wall thickness, and a second connection end, and increasing the first wall thickness of the first connection end, increasing the first inner diameter of the first connection end, increasing the second wall thickness of the second connection end, and increasing the second inner diameter of the second connection end. The first tubular and the second tubular are attached at a weld point between the first connection end and the second connection end so as to form a tubular connection assembly with a target amount of fatigue performance. A metallic riser, such as a steel catenary riser or a steel lazy wave riser, can be formed of a plurality of tubular connection assemblies.

Abstract: An apparatus comprises a first number of splines located near a first end of a first joint section and a second number of splines located near a second end of a second joint section. The first number of splines extends in an axial direction of the first joint section and spans a circumferential surface of the first joint section. Each of the first number of splines has a base, a tip, and a pair of flanks that extends from the base to the tip and forms an acute angle. Each of the first number of splines are configured to be received between adjacent pairs of splines in the second number of splines as the first end of the first joint section and the second end of the second joint section are joined.

Abstract: Disclosed is a release tool used to separate portions of a tool string. One release tool includes a main body, a collet retainer coupled to the main body and having a collet assembly arranged therein, the collet assembly being operatively coupled to a lower sub, a support piston releasably coupled to a separation nut and engaging the collet assembly such that the lower sub is prevented from removal from the collet assembly, and a trigger mechanism configured to send a command signal to the separation nut whereupon the separation nut releases the support piston such that it is able to be moved and the lower sub is thereby able to be removed from the collet assembly.

Abstract: A technique facilitates drilling of deviated boreholes. The technique employs a drilling system which may be disposed along a drill string. The drilling system may be used to drill a straight section of a borehole along a straight borehole axis and to also selectively drill a deviated section of the borehole. The drilling system comprises a housing, a bit shaft rotatably mounted in the housing, and an actuator which may be selectively actuated to shift the bit shaft to another position with respect to the straight borehole axis. The actuator is selectively shiftable between an unbiased mode and a biased mode. In the unbiased mode, the bit shaft axis is in a first position with respect to the straight borehole axis during drilling of the straight section of borehole. The actuator may be selectively shifted to the biased mode in which the bit shaft axis is shifted off axis relative to the straight borehole axis to enable drilling of the desired deviated section of the borehole.

Abstract: The low friction wireline standoff improves wireline cable performance during borehole logging operations. The use of low friction wireline standoffs ameliorates the effects of wireline cable differential sticking, wireline cable key-seating, and high wireline cable drags, by reducing or eliminating contact of the wireline cable with the borehole wall during the logging operation. The low friction wireline standoff comprises external wheels mounted on two finned half shells that clamp onto the wireline with precision cable inserts which are manufactured to fit a wide range of logging cables. The wheels reduce the cable drag down-hole resulting in lower surface logging tensions, aiding conveyance in deep and deviated wells.

Abstract: A stiffener assembly for a riser extending from a subsea well component through an opening in a floating platform has at least two partially cylindrical inner sleeve segments that mount around the riser. Inner sleeve grooves are on an outer surface of each of the inner sleeve segments, defining inner sleeve ribs. The inner sleeve segments have abutting side edges when mounted around the riser. At least two partially cylindrical outer sleeve segments are mounted around the inner sleeve segments. The outer sleeve segments have abutting side edges when mounted around the inner sleeve segments. Outer sleeve grooves on an inner surface of each of the outer sleeve segments define outer sleeve ribs that fit within the inner sleeve grooves between the inner sleeve ribs. The abutting side edges of the outer sleeve segments are circumferentially offset from the abutting side edges of the inner sleeve segments.

Abstract: A drill rod clamping system for securing a drill rod in a selected position. The drill rod clamping system has a hollow spindle with an upper portion that defines axial slots and a base portion that defines at least one radial opening. A plurality of jaws are moveable radially inwardly to a drill rod gripping position and radially outwardly to a drill rod releasing position. Each jaw is received within a respective axial slot of the hollow spindle. An actuator moves the plurality of jaws between the drill rod gripping position and the drill rod releasing position. A compressed gas spring assembly exerts force on the actuator to close the jaws. A hydraulic operator exerts force on the actuator to overcome the force of the compressed gas spring assembly to open the jaws. The radial openings of the base portion of the spindle permit flushing of material flowing within the spindle.

Abstract: A flexible collet on a subterranean tool has sacrificial soft components to protect seal bores through which the collets have to compress to get through. The sacrificial components can be replaced when the tool is removed to the surface. In one embodiment, threaded fasteners are used alone or with washers for height adjustment such that the heads of the fasteners which are softer than the seal bore material ride on the seal bore and take the wear. The tool can ultimately be used to latch into shifting sleeves to move such sleeves to open or close wall ports. Alternatively axial ridges with beveled profile ends can be used or rolling members such as wheels or balls can be used to keep sharp edges off the seal bore. EDM method can be used to create multiple fingers with an axial ridge profile and rounded end transitions.

Abstract: A seat assembly includes a hollow frustocone; a slip subassembly interactive with the frustocone to anchor the frustocone in place during use. A seal disposed at the frustocone to receive a plug and upon receipt of the plug seal the plug to the frustocone and to a tubular structure in which the frustocone is anchored during use. A method for treating a borehole.

Abstract: A ground working tool comprising a tubular base body with an inner receiving space for receiving a cylindrical core of solid ground material, connector mechanism for connecting the tubular base body with a rotary drive and locking mechanism for locking the core in the receiving space of the tubular base body. The locking mechanism involves at least one locking unit having a guide rail being disposed at an inner side of the tubular base body and arranged with a deviation angle relative to a tangential direction of the tubular base body and the locking unit further comprises at least one locking element, which is moveably mounted on the guide rail between a radially outer releasing position and a radially inner locking position, in which the core is clamped within the receiving space by means of the at least one locking element.

Abstract: A method and system of validating orientation of a core obtained by drilling the core from a subsurface body of material, the method including: a) determining that vibration from drilling is below a nominated level, b) recording data relating to orientation of the core to be retrieved, the data recorded using a downhole core orientation data recording device, c) separating the core from the subsurface body, and d) obtaining from the core orientation data recording device an indication of the orientation of the core based on the recorded data obtained when the vibration from drilling was below the nominated level and before the core was separated from the subsurface body.

Abstract: A self-adjusting lockdown assembly for engaging and/or preloading a tubular hanger to an interior of a wellhead housing. The lockdown assembly includes a support sleeve, a body received in the support sleeve, an elevator ring coaxially engaged with the support sleeve, a lock ring engaged with the elevator ring, and an actuator sleeve configured to move axially between the body and the elevator ring so as to adjust the position of the lock ring.

Abstract: A system including a hydraulic tool configured to energize a lock ring system and a seal assembly with a hydraulic fluid, wherein the hydraulic tool including a hydraulic body configured to couple to a hydraulic fluid source, a first piston configured to move axially with respect to the hydraulic body to energize the seal assembly, and a second piston configured to move axially with respect to the hydraulic body to energize the lock ring system, wherein the first and second pistons are simultaneously exposed to the hydraulic fluid in an opening in the hydraulic body.

Abstract: A ball valve apparatus includes a housing defining a housing inlet and a housing outlet and a valve cartridge mounted within the housing and defining a cartridge flow path extending between a cartridge inlet and a cartridge outlet, wherein the cartridge inlet is arranged in fluid communication with the housing inlet and the cartridge outlet is arranged in fluid communication with the housing outlet. A ball valve member is mounted within the valve cartridge and is rotatable to selectively open and close the cartridge flow path. A leak chamber is defined between the housing and the cartridge for containing fluid leakage from the valve cartridge.

Abstract: Zone isolation is a leading concern for operators that wish to fluidly treat a well. By utilizing a ported sliding sleeve assembly that is highly resistant to leaking after being opened and closed through multiple cycles a wellbore may be accessed at any ported sliding sleeve assembly location without plugging the wellbore below the ported sliding sleeve assembly and will allow any ported sliding sleeve assembly to be accessed in any order.

Abstract: A shut-in valve tool for use in a well has a tool body defining a flow path for the flow of well fluid from outside the tool through the tool body to another part of the well. The tool has an inlet port defined in the tool body through which well fluid must flow to enter the flow path. The tool has a sliding valve member located within the tool body and moveable between a first position in which the inlet port is open, and a second position in which the inlet port is blocked. The tool has a supply of compressed fluid and an actuating mechanism which uses the compressed fluid for driving the sliding valve member from the first position to the second position.

Abstract: An apparatus and method for providing a time delay in injection of pressured fluid into a geologic formation. In one aspect the invention is a toe valve activated by fluid pressure that opens ports after a predetermined time interval to allow fluid to pass from a well casing to a formation. The controlled time delay enables casing integrity testing before fluid is passed through the ports. This time delay also allows multiple valves to be used in the same well casing and provide a focused jetting action to better penetrate a concrete casing lining.

Abstract: The disclosure provides a lubricator system and method for entering the oil/gas wellhead or casing head with a wireline and tool while being able to safely shut or contain well pressure build up. The lubricator is coupled with a lubricator cutting flapper valve and can be attached to a wellhead on the oil/gas well, so that the lubricator extends below the wellhead. The wellhead can be opened, allowing the wireline and tool to enter into the bore. The tool is attached to a wireline cable that is controlled on the surface by means of a spooled drum attached to a portable or mobile machine or equipment. The lubricator cutting flapper valve includes structure that can sever the wireline and seal the lubricator to avoid allowing well gas or fluids to escape if necessary.

Abstract: The present application includes and assembly having a hollowed body configured to traverse the length of a well bore and remove contaminants. The hollowed body having an upper seal body and a lower seal body. Each body including a seat for securing and sealing by a dart. The dart is configured to transition between the seats by passing through a central channel of the hollowed body. The dart includes a central passage and an unobstructed lower passage in the tip of the dart to allow for the direct passage of working fluid. The assembly further includes an expandable seal configured to expand in diameter from the increase in pressure in the well bore. The expandable seal contacts the walls of the well bore. The expandable seal cleans the walls of the well bore and prevents leakage of working fluid between the walls and the assembly.

Abstract: In one aspect, the present invention relates to a drilling-information-management system. The drilling-information management system includes a probe assembly disposed on a drill rod, a first computer interoperably coupled to the probe assembly via a conductor disposed in a drill rod, and a second computer in communication with the first computer. The second computer includes a barcode scanner. The drilling-information management system includes a database in communication with the second computer. Drilling-project data is transferred from the database to the second computer and calibration data is transferred from the second computer to the first computer. The first computer executes a drilling plan according to the drilling-project data.

Abstract: A subsea well production system includes a subsea boost pump coupled with a subsea tree conduit having a valve in the subsea tree conduit. A boost pump outlet conduit connects between a discharge of the boost pump and an outlet flow line. A recirculation line extends from the boost pump outlet conduit to the subsea tree conduit. A chemical injection line having a chemical source valve extends from a chemical injection source and is connected to the subsea tree conduit at a point between the valve in the subsea tree conduit and the intake of the boost pump. During production flow boosting, the boost pump pumps well fluid. During chemical injection, the boost pump pumps chemicals into the subsea tree.

Abstract: A pressure intensifier and method of increasing fluid pressure at a desired location in a well bore. A central mandrel having a bore therethrough is affixed in a string. Surrounding the mandrel is a cylindrical body having stacked pistons. At a predetermined fluid pressure through the bore, the pistons release and are moved downwards, to integrate pressure across the pistons and act on a chamber pre-filled with application fluid. The application fluid is forced through delivery conduits at a higher pressure than the predetermined fluid pressure and may be used to morph a tubular. In an embodiment, the predetermined fluid pressure is field adjustable.

Abstract: There is provided a flow control apparatus including a housing, a port, a flow control member, a sensor, and a trigger. The housing includes a housing passage. The port extends through the housing. The flow control member includes a fluid responsive surface, and is configured for displacement, relative to the port, such that fluid communication is effected between the port and the housing passage. The sensor is coupled to the housing for sensing an actuating signal. The trigger is configured for effecting fluid communication between the housing passage and the fluid responsive surface, in response to the sensing of an actuating signal by the sensor, for effecting displacement of the flow control member.

Abstract: An apparatus including a sealing device for sealing a wellbore, a first pump for pumping fluids from a lower wellbore section, a pump drive powered using wellbore gas, a gas inlet for supplying the pump drive with wellbore gas, and a gas outlet for exhausting wellbore gas to an upper wellbore section from the pump drive. The apparatus may further include a second pump for pumping fluids from the upper wellbore section into the lower wellbore section, a vent for venting wellbore gas to the upper wellbore section, and a switch for controlling the pump drive. A method for moving fluids in a wellbore including sealing the wellbore, supplying wellbore gas to a pump drive and driving a first pump with the pump drive. The method may further include driving a second pump with the pump drive and venting the wellbore gas to an upper wellbore section.

Abstract: Methods for enhanced oil recovery (EOR) are disclosed that involve removal of oil from a reservoir that has an injection well, a producing well, and a plurality of lenses that contain oil and that each span between the injection well and the producing well. One method, among others, involves recovering primary oil from a primary set of lenses via the producing well by alternating injection one or more times of water and carbon dioxide into the injection well so that the water and carbon dioxide enter the primary set in a first direction and move the primary oil in the first direction. The method further involves recovering secondary oil from a secondary set of lenses that is different than the primary set via the injection well by alternating injection one or more times of water and carbon dioxide into the producing well so that the water and carbon dioxide enter the secondary set in a second direction that is different than the first direction (e.g.

Abstract: Systems and methods that include providing, e.g., obtaining or preparing, a material that includes a hydrocarbon carried by an inorganic substrate, and exposing the material to a plurality of energetic particles, such as accelerated charged particles, such as electrons or ions.

Abstract: A method of increasing recovery of liquid hydrocarbons from subsurface reservoirs, and particularly from those located in tight formations, is disclosed. One aspect includes calculating the in situ fractured formation wettability from real-time measurement of flowback volume and composition. Another aspect includes determining the composition of the fracturing fluid, the overflush or both, that will achieve higher liquid hydrocarbon recovery by increasing the water wettability of rock surfaces within the reservoir. Monitoring of rock-surface wettability through flowback volume and composition profiles allows the above mentioned injectates to be adjusted in the field to achieve maximal recovery. Other methods, apparatuses, and systems are disclosed.

Abstract: A wax control element for subsea processing of well fluids in a wellstream comprises a bundle of flowlines within an elongate tensile structure. That structure defines inlet and outlet ends and has cooling and heating provisions that act on the flowlines, in use, to promote deposition of wax in the flowlines and subsequent entrainment of wax in the wellstream.

Abstract: The monitoring and control system is configured to obtain a hook load data at predetermined time intervals, and determine variation of hook load between the predetermined time intervals using the hook load data obtained. The monitoring and control system further determines a slip status of a drill string corresponding to each of the variation of hook load. The slip status is determined by comparing each of the variation of hook load with a threshold value of noise. The threshold value of noise is determined based on predetermined parameters of the drill string. The slip status of the drill string corresponding to each of the variation of hook load may be verified based on one or more predetermined conditions. The slip status of the drill string corresponding to each of the variation of hook load may be corrected by adjusting predetermined parameters, based on verification of one or more predetermined conditions.

Abstract: In some example embodiments, a system includes a drill string having a drill bit. The drill string extends through at least part of a well bore. The system also includes a first vibrational sensor, positioned on the drill bit to measure, at a first location on the drill string, an amplitude of one or more of an axial vibration and a lateral vibration. The system also includes a second vibrational sensor, positioned above the drill bit and on the drill string. The second vibration sensor is to measure, at a second location on the drill string, one or more of an axial vibration and a lateral vibration. The system includes a processor unit to determine a type of vibration based on a comparison of the amplitude at the first location to the amplitude at the second location, wherein the type of vibration is at least one of bit whirl of the drill bit and a while of a bottom hole assembly that is part of the drill string.