Abstract: The invention concerns a heat exchanger header box (1). The header box (1) includes a flat collecting plate (7) with openings (9) for the passage of a plurality of ends (5) of heat exchange tubes (3), and a cover (15) with at least two opposing lateral faces (23) comprising a peripheral cover base (17). The cover (15) closes the header box (1). According to the invention, the cover (15) comprises a predefined number of internal tie rods (25) such that the tie rods (25) extend respectively between the two opposing side faces (23) at the level of the cover base (17), being interposed between two openings (9) of the collecting plate (7). The invention further concerns a heat exchanger comprising the header box (1).

Abstract: A heat exchanger comprises: a plurality of tubes for the circulation of a coolant which are arranged as a core bundle of tubes having a width in a longitudinal direction, a depth in a transverse direction, and a height in a vertical direction; a first header and a second header into which the tubes of the core bundle open; and a first partition arranged respectively in the first and second headers. The first partition respectively divides the first header and the second header, at least partially, into a first compartment and a second compartment which are adjacent in the transverse direction. The heat exchanger further comprises at least one second partition dividing the first compartment and the second compartment of the first header into a first chamber, a fourth chamber, and at least one return compartment which is adjacent, in the longitudinal direction, to the first and fourth chambers.

Abstract: A head collecting tank for a tubular heat exchanger of a motor vehicle having an inner end in the form of a right parallelogram, on which is secured across a sealing element, a tube panel for mounting and securing of one of the lengthwise ends of a bundle of tubes of the heat exchanger. The tube panel is formed by a frame part with a set of mutually parallel braces having in cross section the shape of the letter U and passing into the frame part, which also has in cross section the shape of the letter U with an elongated arm on the side away from the braces.

Abstract: A fin of a heat exchanger includes: a plurality of intermediate plates arranged one above another and dividing a space between adjacent ones of flat tubes into air passages; a plurality of tube insertion portions each provided between vertically adjacent ones of the intermediate plates, with an upwind side thereof being open such that a corresponding one of the flat tubes is inserted therein; a vertically extending downwind plate that is continuous with downwind ends of the plurality of intermediate plates arranged one above another; and a plurality of upwind plates extending further toward an upwind side than the flat tubes from upwind side ends of the intermediate plates. Each of the upwind plates is provided with at least one upwind side heat-transfer portion which projects toward the air passages.

Abstract: Each of a plurality of heat-transfer portions has a plurality of protrusions which are protruded toward an air passage and extend in a direction intersecting with an airflow direction. The protrusions are arranged in the airflow direction.

Abstract: A thermal module and a manufacturing method thereof. The thermal module includes a radiating fin assembly and a base seat. The radiating fin assembly has at least one folded edge on one side. The folded edge has at least one connection section. The base seat has at least one fixing section corresponding to the connection section. The fixing section is latched with the folded edge. A pressure is applied to the fixing section to plastically deform the fixing section and press the fixing section against the folded edge so as to securely connect the radiating fin assembly with the base seat. The thermal module can be assembled without welding so that the working time is shortened and the manufacturing cost is lowered.

Abstract: A heat dissipation device assembly structure includes a heat dissipation unit and at least one fastening member. The heat dissipation unit has a bottom face and a locating section. The locating section is formed with at least one channel in communication with the bottom face. The fastening member is assembled on the bottom face. The fastening member has at least one latch section correspondingly inserted in the locating section. The fastening member further has at least one locking section on one side of the fastening member, which side is distal from the bottom face. The fastening member can be quickly assembled with the heat dissipation unit by means of inserting the latch section into the locating section of the heat dissipation unit. The heat dissipation device assembly structure has higher heat dissipation efficiency and is free from welding process so that the welding cost is saved.

Abstract: A technique and apparatus for heat dissipation in electrical devices is described. A bulk body may be configured with a plurality of radiating devices so that the bulk body may be divided into smaller bulk bodies to be used in conjunction with other electrical type assemblies to quickly and efficiently provide for a heat dissipation sub-assembly. In one aspect, the bulk bodies may be configured with internal voids such as a duct or tunnel interconnecting at least one input port and at least one output port for aiding in heat dissipation of an electrical device employing bulk body technique.

Abstract: A system for a server room management includes an air-conditioning control device including: an acquisition unit; a setting unit that sets content for generating supply air at temperature, absolute humidity, and relative humidity within target range, based on outside air temperature and humidity as well as return air temperature; and a controller controlling amount of outside air, amount of return air, control amount of humidifier, control amount of cooler, and amount of air blown by blower, based on the content. If the outside air is within range greater than absolute humidity upper limit, or within range greater than enthalpy upper limit and greater than the temperature upper limit, the setting unit compares outside air and return air, and then determines, in accordance with the comparison, whether to set the content so that the cooler performs cooling by minimizing or maximizing the amount of the outside air.

Abstract: A cooling system for a computer system comprises at least one unit such as a central processing unit (CPU) generating thermal energy and a reservoir having an amount of cooling liquid, said cooling liquid intended for accumulating and transferring of thermal energy dissipated from the processing unit to the cooling liquid. The cooling system has a heat exchanging interface for providing thermal contact between the processing unit and the cooling liquid for dissipating heat from the processing unit to the cooling liquid. Different embodiments of the heat exchanging system as well as means for establishing and controlling a flow of cooling liquid and a cooling strategy constitutes the invention of the cooling system.

Abstract: An apparatus for the supply of inert gas at a well site, the apparatus comprising one or more pressure vessels containing liquefied inert gas, a heat exchanger, one or more units of fracturing equipment connected to a manifold, a submersible pump in each of the one or more pressure vessels, each submersible pump being connected to supply liquefied inert gas to a supply line that passes through the heat exchanger and the supply line being connected to supply inert gas vaporized by the heat exchanger to the manifold.

Abstract: A hydraulic wellbore anchoring system for use with whipstocks or other tools in either cased or open hole wellbores. The anchoring system includes an upper slip system and a lower slip system. The anchor system may be set using hydraulic pressure and withdrawn by a predetermined upward force. While the slips of the upper and lower slip systems may be set substantially simultaneously, the anchoring system enables sequential disengagement of the slips to reduce the force required for withdrawal.

Abstract: A double packer apparatus according to embodiments of the present invention may include a first guide unit provided in a borehole within a ground, a second guide unit provided within the ground to cover an external surface of the first guide unit, a packer unit to support the second guide unit in the borehole, and seal a portion of an area provided within the ground, and a photographing unit to enter the first guide unit and photograph the ground, wherein a portion of the external surface of the first guide unit includes a transparent window for photographing the ground. A ground may be investigated directly using a configuration described in the foregoing, thereby contributing to an enhancement of efficiency.

Abstract: The present invention provides a check valve comprising a valve housing (1,2), a substantially circular flapper (3), a valve seat (16) for the flapper (3), an expandable chamber (11) in fluid contact with a connecting port (8) for hydraulics fluid, and a piston (4) having a first and a second end, the flapper comprises a first (19) and a second (18) connection point and is pivotably connected at the first connection point (19), said flapper is capable of pivoting between a closed position in close contact with the valve seat (16) and an open position which allows fluid to flow through the valve, the piston (4) is in contact with the expandable chamber (11) and a pre-stressed compressible device (15), said piston (4) pivotably connected at the first end to the flapper (3) via the second connection point (18), wherein the compressible device (15) can move the piston (4) in a direction towards the valve seat (16), and that hydraulics fluid can move the piston (4) in a direction away from the valve seat when suff

Abstract: Disclosed are systems and method for servicing a wellbore and otherwise triggering a downhole tool. One method includes arranging an assembly within a lubricator coupled to a tree, the assembly including at least one downhole tool and a signal receiver subassembly, communicating a signal to the signal receiver subassembly while the assembly is arranged within the lubricator, the signal being configured to activate a timer communicably coupled to the signal receiver subassembly, introducing the assembly into the wellbore and advancing the assembly until reaching a target depth, and transmitting a trigger signal with the signal receiver subassembly to the at least one downhole tool and thereby actuating the at least one downhole tool.

Abstract: Systems and methods for improving functional access to subterranean formations that include a well, which includes a casing string having at least one casing conduit that extends and provides a hydraulic connection between a surface region and the subterranean formation. Performing a plurality of downhole operations utilizing a casing string that constitutes a plurality of hydraulic pathways between the surface region and the subterranean formation. In some embodiments, the plurality of downhole operations may be simultaneous operations and/or may be associated with at least one of a plurality of operational states including a drilling state, completing state, stimulating state, producing state, abandoning state, and/or killing state. In some embodiments, systems and methods may include a plurality of production control assemblies to control and/or monitor the downhole operations.

Abstract: For long-term abandonment and monitoring of well systems, a series of barriers are formed within a formation and within a casing of a well to prevent materials from leaking from the well. Formation barriers are formed within the formation at the location of perforations in the casing and along the annulus. A series of casing barriers and fluid barriers are formed within the casing of the well. One or more sensors are formed within the barriers to monitor the conditions around the barriers over long periods of time. The sensors can be configured to measure the conditions around the one or more barriers during formation of the one or more barriers and over long periods of time after the one or more barriers are formed.

Abstract: A system for processing solids may include a solids mover configured to receive the solids from the separator and convey the solids to at least one disposal container and a solidification material applicator configured to apply a solidification material to the solids in the solids mover. A related method includes conveying the solids from the separator to at least one disposal container using a solids mover and applying the solidification material to the solids in the solids mover using a solidification material applicator.

Abstract: A fracturing method comprises: pumping a first stream of liquefied petroleum gas and gelling agent with a first frac pressure pump; pumping a second stream of lubricated proppant with a second frac pressure pump; combining the first stream and the second stream within a wellhead into a combined stream, pumping the combined stream into a hydrocarbon reservoir; and subjecting the combined stream in the hydrocarbon reservoir to fracturing pressures. A fracturing apparatus comprises: a first frac pressure pump connected to a first port of a wellhead; a second frac pressure pump connected to a second port of the wellhead; a frac fluid source connected to simply a stream of frac fluid comprising liquefied petroleum gas to the first frac pressure pump; a gel source connected to supply a gelling agent into the frac fluid; and a proppant supply source connected to supply lubricated proppant to the second frac pressure pump.

Abstract: A silicate gel composition that is useful for sealing the face of a fracture of a formation. A method of sealing a face of a fracture of a formation with the silicate gel composition and diverting an acid treatment fluid.

Abstract: A tubular string is advanced with a bottom hole assembly as the hole is drilled and reamed in a desired direction with the aid of directional drilling equipment adjacent the bit. When the advanced tubular forms the desired lap to the existing tubular, the assembly can be configured to cement the tubular and expansion can then be accomplished to fill the annular space and enhance the cement bonding. The expansion equipment can create a bottom bell on the expanded tubular and expand the top end into a bell of the existing tubular so that a monobore is created as the process is repeated with each added string. Numerous variations are contemplated for each single trip including but not limited to the direction of expansion, whether cementing or expansion occurs first, reforming folded tubing in the hole as well as the nature of the expansion tool and pressure control when drilling.

Abstract: A cement composition for use in an oil or gas well, the cement composition comprises: a calcium aluminate cement; water; an organic acid; and a polymeric mixture comprising: (A) water; (B) citric acid; (C) a first polymer, wherein the first polymer: (i) comprises a cellulose backbone and carboxymethyl functional groups; and (ii) has a molecular weight of less than 100,000; and (D) a second polymer, wherein the second polymer: (i) comprises a lignosulfonate; and (ii) has a molecular weight of less than 100,000, wherein a test composition consisting essentially of: the cement; the water; the organic acid; and the polymeric mixture, and in the same proportions as in the cement composition has a thickening time of at least 5 hours at a temperature of 300° F. (148.9° C.) and a pressure of 10,000 psi (68.9 MPa).

Abstract: A cement composition for cementing an oil or gas well includes Portland cement, water and a sulfur component. The cement composition may be used to cement a well bore by creating a cement slurry including the sulfur component, pumping the slurry into the well bore to a selected location and allowing it to solidify.

Abstract: A shear/seal ram provides a knife edge at the shearing edge and the knife edge is inclined to minimize the cutting force required and to leave a clean cut edge. The knife edge is presented in an opening of the ram, thus the opening is positioned at the axis of the BOP, and consequently the coiled tubing, before the coiled tubing is run through the BOP. A biasing means, such as for example a Bellville spring, forces a sealing sleeve against the underside of the ram to prevent leakage of pressure from below the BOP. Similarly, a plurality of biasing means, referred to herein as “skates”, forces the ram down against the sealing sleeve to seal pressure from above the BOP.

Abstract: A tool assembly and method for completing a well are provided. The tool includes debris relief features that enable use in solids-laden environments, for example in the presence of sand. Forward and reverse circulation pathways to the isolated interval are present to allow clearing of debris from the wellbore annulus while the sealing device remains set against the wellbore.

Abstract: A method for fracking and completing a well having a well bore through a formation includes packer jack fracking the formation using a packer to form a packer fractured formation moving the packer to seal the packer fractured formation, and hydraulically fracturing the packer fractured formation by injecting a fracking fluid through the packer. These steps can then be repeated through successive intervals of the formation. To complete a new well, a perforated liner can be placed in the well bore to direct the fracking fluid into the packer fractured formation. To complete an existing or a new well having a cemented liner the packer jack fracking step can also be used to break apart the liner and form at least one opening to provide a flow path for the fracking fluid. A system includes a perforated liner and a packer configured to fracture and seal successive intervals.

Abstract: A vacuum sub (8) for use in a well bore (12), the vacuum sub (8) having a cylindrical casing (28) with an upstream end (14) and a downstream end (16). The upstream and downstream ends (14, 16) are designed to attach to components of a downhole assembly (6) in a well bore (12). The vacuum sub (8) includes a port (18) in the cylindrical casing (28) that provides access between the inside (20) of the cylindrical casing (28) to the outside (22) of the cylindrical casing (28). The port (18) is angled so that when air passes through the port (18) from the inside (20) of the casing (28) to the outside (22) of the casing (28), the air is directed upwardly through the well bore (12) in an upstream direction, thereby creating a vacuum in the well bore (12) below the port (18).

Abstract: A hybrid-tieback seal assembly and methods for tying a well back to the surface or subsea well head are disclosed. A method to tie a well back to the surface or subsea well head comprises running a hybrid-tieback seal assembly into a wellbore, the hybrid-tieback seal assembly comprising one or more anchoring bodies, one or more packer seal assemblies; and a device for creating a pressure differential in a tieback string, wherein the tieback string is coupled to the hybrid-tieback seal assembly. The method further comprises landing a casing hanger in a well head, increasing pressure in the tieback string, setting the anchoring bodies and one or more packer seal assemblies within at least one of a previously installed liner hanger system and a host casing above a previously installed hanger system, and testing the hybrid-tieback seal assembly down an annulus between the host casing and the tieback string.

Abstract: A method for capping a subsea wellbore having a failed blowout preventer proximate the bottom of a body of water includes lowering a replacement blowout preventer system into the water from a vessel on the water surface. The replacement blowout preventer system includes an hydraulic pressure source disposed proximate well closure elements on the replacement blowout preventer system. The replacement blowout preventer system is coupled to the failed blowout preventer. The well closure elements on the replacement blowout preventer system are actuated using the hydraulic pressure source.

Abstract: Systems and methods for riser coupling are disclosed. A riser coupling system comprises a riser joint connector comprising a first tubular assembly coupled to a second tubular assembly. The riser coupling system further comprises a spider assembly which receives the riser joint connector and has a connector actuation tool. The connector actuation tool comprises a dog assembly, a clamping tool and a splined member. The dog assembly selectively extends a dog to engage the riser joint connector. The clamping tool couples the first tubular assembly and the second tubular assembly. Finally, the splined member actuates a locking member of the riser joint connector.

Abstract: A riser configuration having a rigid riser portion and a flexible riser portion. The riser configuration also includes a subsea buoy across which the riser portions are connected. Buoyancy means are mounted on the flexible riser portion.

Abstract: Systems and methods for managing pressures present in an annular space defined between casing strings contained within a subterranean well. These systems and methods may include providing a pressure distribution casing that includes a plurality of pressure distribution passages and distributing fluids present within the annular space along a length of the pressure distribution casing and/or between the annular space and the subterranean formation using a portion of the plurality of pressure distribution passages. Pressure distribution passages may be present on an inner surface of the pressure distribution casing, on an outer surface of the pressure distribution casing, and/or within a wall of the pressure distribution casing and may distribute the fluids along the length of the pressure distribution casing without distributing the fluids across and/or through a wall of the pressure distribution casing, such as between the inner surface and the outer surface of the pressure distribution casing.

Abstract: A deliquification pump for deliquifying a well comprises a fluid end pump adapted to pump a fluid from a wellbore. In addition, the deliquification pump comprises a hydraulic pump adapted to drive the fluid end pump. The hydraulic pump includes a first internal pump chamber and a first pump assembly disposed in the first chamber. The first pump assembly includes a piston having a first end, a second end, and a throughbore extending between the first end and the second end. In addition, the first pump assembly includes a first wobble plate including a planar end face axially adjacent the second end of the piston and a slot extending axially through the first wobble plate. The first wobble plate is adapted to rotate about the central axis relative to the housing to axially reciprocate the piston and cyclically place the throughbore of the piston in fluid communication with the slot.

Abstract: A deliquification pump for deliquifying a well comprises a fluid end pump adapted to pump a fluid from a wellbore. In addition, the deliquification pump comprises a hydraulic pump adapted to drive the fluid end pump. The hydraulic pump includes a first internal pump chamber and a first pump assembly disposed in the first chamber. The first pump assembly includes a piston having a first end, a second end, and a throughbore extending between the first end and the second end. In addition, the first pump assembly includes a first wobble plate including a planar end face axially adjacent the second end of the piston and a slot extending axially through the first wobble plate. The first wobble plate is adapted to rotate about the central axis relative to the housing to axially reciprocate the piston and cyclically place the throughbore of the piston in fluid communication with the slot.

Abstract: An automatic vent valve and method for use is provided equalizing the pressure in at least two lines. A housing has a first piston that compresses a bias device when the second pressure source supplies sufficient pressure. Upon a sufficient reduction in pressure the first piston releases a second internally held coaxial piston to allow fluid to flow from a first pressure source towards a second pressure source, thereby equalizing the pressure between the two pressure sources.

Abstract: A valve and method of use wherein the valve includes a housing having an axial flowbore defined along its length. A lateral fluid flow port is disposed through the housing. A piston sleeve is disposed within the flowbore and is selectively moveable to block flow through the lateral flow port. The valve can be moved between operating positions wherein flow through the lateral flow port is blocked or allowed and axial flow through the flowbore is blocked or permitted.

Abstract: A frustoconical member includes a metal composite that has a cellular nanomatrix comprising a metallic nanomatrix material; a metal matrix disposed in the cellular nanomatrix; and a first frustoconical portion. A process of making the frustoconical member includes combining a metal matrix powder, a disintegration agent, and metal nanomatrix material to form a composition; compacting the composition to form a compacted composition; sintering the compacted composition; and pressing the sintered composition to form the frustoconical member having a tapered portion on an outer surface of the frustoconical member. The frustoconical member can be used by contacting a frustoconical portion of the frustoconical member to a tapered surface of an article; applying pressure to the frustoconical member; urging the frustoconical member in a direction relative to the article to expand a radial dimension of the article; and contacting the frustoconical member with a fluid to disintegrate the frustoconical member.

Abstract: A hydraulic connector for a wellhead hub is provided that includes a piston and a bottom portion configured to move in an axial direction via hydraulic pressure applied to one or more hydraulic ports in the connector. The movement of the piston and the bottom portion moves a ring and a segment of the connector in a radial direction to engage recesses in the wellhead hub. The connector may be unlocked by applying hydraulic pressure to a hydraulic port of the connector. A system and method of operating the connector are also provided.

Abstract: A lateral liner tie back system and method includes a base sub having a tapered upper end surface. The base sub may be positioned in a main bore at a window to a lateral bore. The tapered upper end surface of the base sub may direct a junction sub from the main bore partially into the lateral bore such that an end of an existing liner positioned within the lateral bore is disposed within a central bore of the junction sub. The system may also include a tie back sub that is lowered through the junction sub into the lateral bore. The tie back sub includes threads for engaging the end of the existing liner in the lateral bore. The lateral liner tie back system may selectively direct a tool that is lowered in the main bore into the lateral bore or prevent the tool from entering the lateral bore.

Abstract: A telebending tool for conveying a logging tool into a wellbore includes a tool body configured to couple to a logging tool, wherein the body has a central axis. The telebending tool also includes a cam housing coupled to the tool body and having a cam pathway and a nose moveably coupled to the tool body through a pivoting member, wherein the nose has a central axis. The telebending tool further includes a compression spring positioned between the nose and the pivoting member and a camming arm coupled to the nose. The camming arm extends coaxially through the pivoting member to selectively engage the cam pathway of the cam housing. The nose has a first position with the central axis of the nose coaxially aligned with the central axis of the body and a second position with the central axis of the nose oriented at an angle less than 180° relative to the central axis of the body.

Abstract: An apparatus including a base, and a drilling tower pivotally coupled to the base to pivot the drilling tower between first and second pivot positions. The drilling tower includes a first portion, and a second portion pivotally coupled to the first portion to pivot the second portion between third and fourth pivot positions when the drilling tower is in the first pivot position. According to another aspect, a method includes pivotally coupling a drilling tower to a base, which includes providing a first portion of the drilling tower, pivotally coupling a second portion of the drilling tower to the first portion of the drilling tower, and pivotally coupling the first portion of the drilling tower to the base.

Abstract: According to one aspect, a drilling rig carriage is adapted to move along a drilling mast, and includes a body structure, electric motors coupled to the body structure, and pinions operably coupled to the electric motors, respectively. The pinions are adapted to engage racks, respectively. According to another aspect, a drilling mast includes a longitudinally-extending frame having a first side portion and a second side portion spaced therefrom. Racks are coupled to the frame at the first side portion thereof. According to yet another aspect, an apparatus includes a drilling mast or tower extending longitudinally along an axis, the tower including racks spaced in a parallel relation. A top drive is movable along the axis and relative to the tower. Electric motors are coupled to the top drive and movable therewith. Pinions are operably coupled to the electric motors, respectively, and engage the racks, respectively, to move the top drive.

Abstract: A wire includes a plurality of units. Each unit has a relatively stiff region joined to an intermediate region. The intermediate region has a varying stiffness along its length. The intermediate region is joined to a relatively pliable region.

Abstract: A disintegrable tubular anchoring system comprises a frustoconical member; a sleeve with at least one first surface being radially alterable in response to longitudinal movement of the frustoconical member relative to the sleeve, the first surface being engagable with a wall of a structure; a seal with at least one second surface being radially alterable; and a seat having a land being sealingly engagable with a removable plug runnable thereagainst. The frustoconical member, sleeve, seal, and seat are disintegrable and independently comprise a metal composite which includes a cellular nanomatrix comprising a metallic nanomatrix material; and a metal matrix disposed in the cellular nanomatrix. A process of isolating a structure comprises disposing the disintegrable tubular anchoring system in the structure; radially altering the sleeve to engage a surface of the structure; and radially altering the seal to the isolate the structure.

Abstract: An apparatus and method can be used to positively retain a lockdown ring to axially secure a wellbore member in a wellhead housing. In embodiments, the wellbore member, such as a tubing hanger, can be secured by a lockdown ring having a cylindrical surface below a tapered surface. An energizing ring having a cylindrical surface above a tapered surface can be used to move the lockdown ring from an unset position to a set position, thus energizing the lockdown ring. After being energized, the two cylindrical surfaces can engage each other so that axial movement of the energizing ring, of up to a predetermined distance, does not cause the lockdown ring to move from a set position to an unset position.

Abstract: A shaped charge pipe cutter is constructed with the cutter explosive material packed intimately around an axially elongated void space that is continued through a heavy wall boss portion of the upper thrust disc. The boss wall is continued to within a critical initiation distance of a half-cuter junction plane. An explosive detonator is positioned along the void space axis proximate of the outer plane of the upper thrust disc. Geometric configurations of the charge thrust disc and end-plate concentrate the detonation energy at the critical initiation zone.

Abstract: A machine includes a spindle for storing wire, a wire passage structure having an interface coupline, a controllable drive system, a control system, and a pressure-resistant housing. The drive system is configured to feed the wire through the wire passage structure and through the interface coupling, under the control of the control system. The housing encloses the wire passage structure, the controllable drive system, and at least a portion of the control system.

Abstract: A self-actuated cyclical flow interruption valve on a deployment tool is positioned at a proximal end of a well completion assembly. Fluid is pumped though the self-actuated cyclical flow interruption valve and vented immediately distal of the valve, to return to surface of the well. A water hammer pulse is generated each time the self-actuated cyclical flow interruption valve closes, thereby generating an impact force that acts to push the completion equipment distally into the well. The continuous cyclic force of the impact facilitates placement of the completion equipment where desired in the well, including within a horizontal extension of the well. Fluid discharged through the self-actuated cyclical flow interruption valve circulates up to the surface through a vertical and inclined section of the well.

Abstract: An expansion system including a mandrel slidably coupled to plurality of primary cone segments that are interleaved with a plurality of secondary cone segments. The expansion system has a the first position wherein the primary cone segments and secondary cone segments are in a retracted position, a second position wherein the primary cone segments are in an expanded position and the secondary cone segments are in a retracted position, and a third position wherein the primary cone segments and the secondary cone segments are in an expanded position. When the expansion assembly is disposed within a tubular member and in the second position, the primary cone segments expand the tubular member into a tri-lobe cross-sectional shape.

Abstract: A downhole fluid flow control system for autonomously controlling the inflow of production fluids. The fluid flow control system includes a flow control assembly having a fluid flow path through which a fluid flows. A support structure is positioned in the fluid flow path. A plug is releasably coupled to the support structure such that when fluid flow through the fluid flow path induces sufficient movement in the support structure, the movement causes release of the plug from the support structure into the fluid flow path, thereby restricting subsequent fluid flow in at least one direction through the fluid flow path.