Abstract: A flow control system for use in controlling flow of a fluid composition in a subterranean well is disclosed. The flow control system includes a flow chamber that includes an inlet and an outlet oriented such that the fluid composition flows circuitously through the chamber, forming a vortex at least at the outlet. The flow control system further comprises at least one flow control structure shaped and positioned in the flow chamber such that a velocity of the circuitous flow is reduced and the vortex is eliminated or substantially reduced.

Abstract: Composite cables suitable for use in conjunction with wellbore tools. One cable may include a polymer composite that includes dopants dispersed in a polymer matrix and continuous fibers extending along an axial length of the cable through the polymer matrix, wherein the cable is characterized by at least one of the following: (1) at least a portion of the cable having a density greater than about 2 g/cm3, wherein at least some of the dopants have a density of about 6 g/cm3 or greater, (2) at least a portion of the cable having a density less than about 2 g/cm3, wherein at least some of the dopants have a density of about 0.9 g/cm3 or less, (3) at least some of the dopants are ferromagnetic, or (4) at least some of the dopants are hydrogen getters.

Abstract: A method for using flow rate signals for wireless downhole communication comprises generating a first flow rate signal within a wellbore by altering the flow rate of a first fluid in the well bore, wherein the first flow rate signal comprises at least two detectable characteristics; detecting the first flow rate signal at a first downhole tool disposed within the wellbore; and actuating the first downhole tool in response to detecting the first flow rate signal.

Abstract: A well screen assembly residing in a well bore has a base pipe and a filtration screen carried on the base pipe. The screen is radially extended with force from fluid while maintaining the base pipe radially unextended.

Abstract: Disclosed are composite cables suitable for use in conjunction with wellbore tools. One cable may include a polymer composite that includes dopants dispersed in a polymer matrix and continuous fibers extending along an axial length of the cable through the polymer matrix, wherein the cable is characterized by at least one of the following: (1) at least a portion of the cable having a density greater than about 2 g/cm3, wherein at least some of the dopants have a density of about 6 g/cm3 or greater, (2) at least a portion of the cable having a density less than about 2 g/cm3, wherein at least some of the dopants have a density of about 0.9 g/cm3 or less, (3) at least some of the dopants are ferromagnetic, or (4) at least some of the dopants are hydrogen getters.

Abstract: Composite cables suitable for use in conjunction with wellbore tools. One cable may include a polymer composite that includes dopants dispersed in a polymer matrix and continuous fibers extending along an axial length of the cable through the polymer matrix, wherein the cable is characterized by at least one of the following: (1) at least a portion of the cable having a density greater than about 2 g/cm3, wherein at least some of the dopants have a density of about 6 g/cm3 or greater, (2) at least a portion of the cable having a density less than about 2 g/cm3, wherein at least some of the dopants have a density of about 0.9 g/cm3 or less, (3) at least some of the dopants are ferromagnetic, or (4) at least some of the dopants are hydrogen getters.

Abstract: An apparatus and method according to which a zone of a wellbore that traverses a subterranean formation is completed. The apparatus includes a flow joint including a first internal flow passage, and a plurality of openings formed radially therethrough, a plurality of plugs disposed within the plurality of openings to form a fluid and pressure tight seal with the flow joint, thus impeding fluid flow through the plurality of openings, and a screen disposed exteriorly about the flow joint and axially along the plurality of openings, and thus also along the plurality of plugs, wherein, when the plurality of plugs are exposed to a downhole fluid, the plurality of plugs are adapted to degrade so that fluid flow is permitted through the plurality of openings. The plurality of plugs may include protective layers adapted to be damaged or removed to expose the plurality of plugs to the downhole fluid.

Abstract: Embodiments herein include an assembly comprising a base pipe having at least one flow port defined therein; a well screen arranged about the base pipe and in fluid communication with the at least one flow port, the well screen having an end disposed at or near the at least one flow port; a shroud arranged about the end of the well screen and extending axially along a length of the well screen; and an annular gap defined between the well screen and the shroud and configured to receive a flow of a fluid, wherein the shroud increases a flow resistance of the fluid by channeling the fluid across the annular gap to distribute a flow energy of the fluid over the length of the well screen.

Abstract: Methods and systems for using flow rate signals for wireless downhole communication are provided. In one embodiment, the methods comprise: generating a first flow rate signal within a wellbore by altering the flow rate of a first fluid in the wellbore, wherein the first flow rate signal comprises at least two detectable characteristics; detecting the first flow rate signal at a first downhole tool disposed within the wellbore; and actuating the first downhole tool in response to detecting the first flow rate signal.

Abstract: Embodiments herein include an assembly comprising a base pipe having at least one flow port defined therein; a well screen arranged about the base pipe and in fluid communication with the at least one flow port, the well screen having an end disposed at or near the at least one flow port; a shroud arranged about the end of the well screen and extending axially along a length of the well screen; and an annular gap defined between the well screen and the shroud and configured to receive a flow of a fluid, wherein the shroud increases a flow resistance of the fluid by channeling the fluid across the annular gap to distribute a flow energy of the fluid over the length of the well screen.

Abstract: A well screen assembly residing in a well bore has a base pipe and a filtration screen carried on the base pipe. The screen is radially extended with force from fluid while maintaining the base pipe radially unextended.

Abstract: Embodiments herein include an assembly comprising a base pipe having at least one flow port defined therein; a well screen arranged about the base pipe and in fluid communication with the at least one flow port, the well screen having an end disposed at or near the at least one flow port; a shroud arranged about the end of the well screen and extending axially along a length of the well screen; and an annular gap defined between the well screen and the shroud and configured to receive a flow of a fluid, wherein the shroud increases a flow resistance of the fluid by channeling the fluid across the annular gap to distribute a flow energy of the fluid over the length of the well screen.

Abstract: It is sometimes desirable to differentially regulate fluid flow in a subterranean formation using autonomous inflow control devices (AICDs), but they are not readily configurable in the field at present. Wellbore systems providing adjustable flow control may comprise: a wellbore pipe having a flow control assembly fixedly coupled thereto, the wellbore pipe having an interior space, an outer surface, and one or more AICDs establishing a fluid connection between the interior space and the outer surface of the wellbore pipe, and the flow control assembly comprising one or more flow chambers defined on the outer surface about the one or more AICDs, one or more inlets being fluidly connected to the one or more flow chambers; wherein the one or more inlets are configured to accept a plug for occluding fluid flow therethrough, so as to limit access of a fluid to an entry location of the AICDs.

Abstract: An apparatus and method according to which a zone of a wellbore that traverses a subterranean formation is completed. The apparatus includes a flow joint including a first internal flow passage, and a plurality of openings formed radially therethrough, a plurality of plugs disposed within the plurality of openings to form a fluid and pressure tight seal with the flow joint, thus impeding fluid flow through the plurality of openings, and a screen disposed exteriorly about the flow joint and axially along the plurality of openings, and thus also along the plurality of plugs, wherein, when the plurality of plugs are exposed to a downhole fluid, the plurality of plugs are adapted to degrade so that fluid flow is permitted through the plurality of openings. The plurality of plugs may include protective layers adapted to be damaged or removed to expose the plurality of plugs to the downhole fluid.

Abstract: A wellbore servicing tool comprising a housing comprising one or more ports and generally defining a flow passage, an actuator disposed within the housing, a magnetic signature system (MSS) comprising a magnetic sensor in signal communication with an electronic circuit disposed within the housing and coupled to the actuator, and a sleeve slidably positioned within the housing and transitional from a first position to a second position, wherein, the sleeve is allowed to transition from the first position to the second position upon actuation of the actuator, and wherein the actuator is actuated upon recognition of a predetermined quantity of predetermined magnetic pulse signatures via the MSS.

Abstract: A wellbore isolation device comprises: a first composition, wherein the first composition comprises: (A) a first substance; and (B) a second substance, wherein the first composition has a solid-liquid phase transformation temperature less than the solid-liquid phase transformation temperatures of at least the first substance or the second substance at a specific pressure. A method of removing a wellbore isolation device comprises: increasing the temperature surrounding the wellbore isolation device; and allowing at least a portion of the first composition to undergo a phase transformation from a solid to a liquid. A method of inhibiting or preventing fluid flow in a wellbore comprises: decreasing the temperature of at least a portion of the wellbore; positioning the wellbore isolation device in the at least a portion of the wellbore; and increasing the temperature of the at least a portion of the wellbore.

Abstract: At least one crack designator for a perforating gun, wherein the gun includes a longitudinal direction, a lateral direction, and at least one scallop, wherein each crack designator is capable of redirecting crack growth from the lateral direction to the longitudinal direction of the gun. The designator may be located in one of the scallops, extend from an expected exit hole in the gun to an edge of one of the scallops, and be capable of redirecting crack growth from a lateral direction to a longitudinal direction of the gun. In preferred embodiments, the designator in each scallop is arranged in a spider pattern or concentric circles. The designator is preferably formed by machining, etching, or laser ablation. The designator may have a lower fracture toughness or lesser stiffness than surrounding material of the gun.

Abstract: A sand control screen assembly includes a base pipe and a flow control device positioned within a flow path for a fluid that extends between the exterior and the interior of the base pipe. The flow control device includes a housing defining an inlet that receives the fluid from the flow path and an outlet that discharges the fluid back into the flow path, and a piston chamber is defined in the housing to fluidly communicate the inlet with the outlet. A pressure-balanced piston is positioned within the piston chamber and movable between a first position, where fluid flow between the inlet and the outlet is prevented, and a second position, where fluid flow between the inlet and the outlet is facilitated. An actuator moves the pressure-balanced piston between the closed and open positions, and an electronics module is communicably coupled to the flow control device to operate the actuator.

Abstract: In accordance with embodiments of the present disclosure, a perforating system for perforating a subterranean formation includes a carrier gun body having a cylindrical sleeve. The perforating system also includes a charge holder disposed in the cylindrical sleeve and a plurality of charges disposed on the charge holder. The charge holder is dissolvable in at least one wellbore fluid delivered through the carrier gun body after detonation of the charges. The charges may also be dissolvable during or after detonation. In some embodiments, the carrier gun body is dissolvable wellbore fluid delivered through the carrier gun body. By including dissolvable parts, the disclosed perforating gun yields relatively lower amounts of debris in the wellbore after detonation. In addition, the dissolving portions of the perforating gun allow the remaining portions of the gun to be used to perform wellbore operations downhole without pulling the perforating gun.

Abstract: A downhole flow control system utilizes a tubing pressure operated valve to selectively open and close fluid flow across the system. The tubing pressure operated valve includes a piston responsive to tubing pressure, and a valve element responsive to piston movement. The valve element can be moved rotationally, longitudinally, or both, in response to the piston movement. The valve is movable between a closed and at least one open position. The piston and valve elements can be releasably attachable, such as by a one-way ratchet. The valve element can be a rotating valve operable by a J-slot mechanism to rotate to multiple positions in response to movement of the piston element.