Abstract: Provided is a whipstock and well system. The whipstock, in one aspect, includes a coupling section having a first radius of curvature, the coupling section configured to engage with a mill bit when running in hole. The whipstock, in accordance with this aspect, further includes a casing breakthrough section having a second radius of curvature, and a controlled exit section having a third radius of curvature, wherein the second radius of curvature is less than the third radius of curvature.

Abstract: Provided is a mill bit and well system. The mill bit, in one aspect, includes a tubular having an uphole end and a downhole end. The mill bit, in accordance with this aspect, further includes a first cutting section having one or more first cutting surfaces disposed about the tubular, the first cutting section having a first material removal rate and configured to engage with wellbore casing disposed within a wellbore. The mill bit, in accordance with this disclosure, further includes a second cutting section having one or more second cutting surfaces disposed about the tubular, the second cutting section having a second material removal rate less than the first material removal rate and configured to engage with a whipstock disposed within the wellbore.

Abstract: Provided is an inner string, an outer string, and a well system. The inner string, in one aspect, includes an inner tubular configured to extend at least partially within a seal surface of an outer tubular, the inner tubular including a sidewall having a thickness (t1). The inner string, according to one aspect, further includes an orientation port extending entirely through the sidewall to provide fluid access from an interior of the inner tubular to an exterior of the inner tubular, the orientation port configured to align with an orientation slot in the outer tubular that it is configured to engage with to provide a pressure reading indicative of a relative location of the inner tubular to the outer tubular.

Abstract: Provided is an inner string, an outer string, and a well system. The outer string, in one aspect, includes an outer tubular configured to extend at least partially around an inner tubular, the outer tubular including a seal surface. The outer string, according to one aspect, further includes two radial orientation slots located along an inside surface of the outer tubular, the two radial orientation slots offset from one another by a distance (d1), the two radial orientation slots configured to align with an orientation port in the inner tubular that it is configured to engage with to provide two pressure readings indicative of a relative location of the inner tubular to the outer tubular.

Abstract: Provided is an inner string and a well system. The inner string, in one aspect, includes an inner tubular including a sidewall having a thickness (t3), the inner tubular having an orientation port extending entirely through the sidewall to provide fluid access from an interior of the inner tubular to an exterior of the inner tubular. The inner string, according to one aspect, further includes a weighted swivel located around the inner tubular, the weighted swivel including an orientation slot, the orientation slot configured to align with the orientation port to provide a pressure reading indicative of a relative location of the inner tubular to the weighted swivel.

Abstract: Provided is a frac window system, a well system, and a wellbore stimulation method. The frac window system, in one aspect, includes an elongated tubular having a first end and a second end with an opening defined in a wall of the elongated tubular between the first end and the second end, the wall having an inner surface and an outer surface, wherein the opening in the wall is configured to align with a window of a wellbore casing. The frac window system, according to this aspect, may further include a polished bore receptacle coupled to the first end of the elongated tubular, the polished bore receptacle having an inside diameter (ID1) sufficient to engage with a high-pressure frac string.

Abstract: Provided is a whipstock for use with a frac window system, a well system, and a method. The whipstock, in at least one aspect, includes a housing having a first whipstock end with a contoured surface and a second whipstock end, and one or more high-expansion members located at least partially along an outer surface of the housing the one or more high-expansion members configured to move between a radially retracted state for running the whipstock in hole and a radially expanded state for engaging an inner surface of a frac window system.

Abstract: Provided is a frac window system, a well system, and a method. The frac window system, in at least one aspect, includes an elongated tubular having a first end and a second end with an opening defined in a wall of the elongated tubular between the first end and the second end, the wall having an inner surface and an outer surface, wherein the opening in the wall is configured to align with a window of a first wellbore casing, and a spacer window sleeve positioned within the elongated tubular, the spacer window sleeve including a tubular having a first tubular end and a second tubular end with a second opening defined in a second wall of the tubular between the first tubular end and the second tubular end, the second wall having a second inner surface and a second outer surface, wherein the second opening in the second wall is configured to at least partially align with the opening in the wall of the elongated tubular.

Abstract: Provided is a sleeve for use with a frac window system, a well system, and a method. The sleeve, in one aspect, includes a tubular having a first tubular end and a second tubular end, and one or more flow control orifices located in a sidewall of the tubular between the first tubular end and the second tubular end, the tubular configured to be placed within a frac window system at a junction between a first wellbore and a secondary wellbore such that the one or more flow control orifices restrict a flow of wellbore fluid from the secondary wellbore into the tubular.

Abstract: Provided is an isolation sleeve for use with a frac window system, a well system, and a method. The isolation sleeve, in at least one aspect, includes a tubular having a first tubular end and a second tubular end, and a first high-expansion seal located at least partially along an outer surface of the tubular proximate the first tubular end and a second high-expansion seal located at least partially along the outer surface of the tubular proximate the second tubular end, the first and second high-expansion seals configured to move between a radially retracted state for running the isolation sleeve in hole and a radially expanded state for engaging an inner surface of a frac window system.

Abstract: A unitary junction for deployment in a wellbore, wherein the unitary junction permits electrical power and communications signals to be established in both a lateral wellbore and a main wellbore utilizing. The unitary junction assembly generally includes a conduit having a first upper aperture, a first lower aperture and a second lower aperture where the first lower aperture is defined at the distal end of a primary leg extending from a conduit junction and the second lower aperture is defined at the distal end of a deformable lateral leg extending from the conduit junction. A lower wireless energy transfer mechanism is positioned along at least one of the legs between the distal end of the leg and the junction. The lower wireless energy transfer mechanism is in wired communication an upper energy transfer mechanism permitting electrical communication to be established across the intersection of wellbore branches utilizing the unitary junction.

Abstract: A wellbore isolation system is disclosed. The wellbore isolation system includes a junction positioned at an intersection of a first wellbore and a second wellbore, and a deflector disposed in the junction such that a path into the first leg of the junction is obstructed and engaged with the first leg of the junction to form a fluid and pressure tight seal. The junction includes a first leg extending downhole into the first wellbore, and a second leg extending downhole into the second wellbore. The deflector includes a channel extending axially through the deflector, and a degradable plug disposed in the channel and engaged with the channel to prevent fluid flow through the channel.

Abstract: Systems and methods of the present disclosure relate to protecting a control line as it passes through a junction in a downhole environment. An ETJ deployment tool (ETJDT) comprises a tool body comprising a central bore; at least one first component and at least one second component, each component operable to extend and retract laterally from the tool body, wherein the at least one second component is disposed at an axial distance from the at least one first component along the tool body; a member disposed within the central bore and operable to move forward upon receiving fluid; and a spring disposed axially between a portion of the member and the at least one second component.

Abstract: Provided is a wellbore leg, a multilateral junction, and well system. The wellbore leg, in one aspect, includes a tubular having a fluid passageway extending there through, and an articulating structures located within the fluid passageway. In at least one aspect, the articulating structures includes a first portion, and a second portion, wherein the first portion and the second portion are coupled to one another and operable to rotate relative to one another.

Abstract: Provided is a downhole rotary slip ring joint, a well system, and a method for accessing a wellbore. The downhole rotary slip ring joint, in one aspect, includes an outer mandrel, an inner mandrel operable to rotate relative to the outer mandrel, an outer mandrel communication connection coupled to the outer mandrel, and an inner mandrel communication connection coupled to the inner mandrel. The downhole rotary slip ring joint, according to this aspect, further includes a passageway extending through the outer mandrel and the inner mandrel, the passageway configured to provide continuous coupling between the outer mandrel communication connection and the inner mandrel communication connection regardless of a rotation of the inner mandrel relative to the outer mandrel, wherein the downhole rotary slip ring joint is operable to be coupled to a wellbore access tool.

Abstract: Systems and methods of the present disclosure relate to protecting a control line as it passes through a junction in a downhole environment. A retractable transition joint (RTJ) comprises at least two members. A first member is operable to retract into a second member. A tubular extends through the first and second members. The tubular comprises a distal end that is removably attached to a distal end of the second member. The first and second members are operable to receive the control line.

Abstract: Provided is a downhole rotary slip ring joint, a well system, and a method for accessing a wellbore.

Abstract: Provided is a downhole rotary slip ring joint, a well system, and a method for accessing a wellbore. The downhole rotary slip ring joint, in one aspect, includes an outer mandrel, an inner mandrel operable to rotate relative to the outer mandrel, first and second outer mandrel communication connections coupled to the outer mandrel. The downhole rotary slip ring joint, according to this aspect, further includes first and second inner mandrel communication connections coupled to the inner mandrel, a first and second passageway extending through the outer mandrel and the inner mandrel, the first and second passageway configured to provide continuous coupling between the second outer mandrel communication connection and the second inner mandrel communication connection regardless of a rotation of the inner mandrel relative to the outer mandrel, wherein the downhole rotary slip ring joint is operable to be coupled to a wellbore access tool.

Abstract: Provided is an interval control valve. The interval control valve, in one aspect, includes a tubular housing, the tubular housing having one or more openings extending there through, and a sliding sleeve positioned within the tubular, the sliding sleeve configured to move between a closed position closing a fluid path between the one or more opening and an interior of the tubular housing, and an open position opening the fluid path between the one or more openings and the interior of the tubular housing. The interval control valve according to this aspect additionally includes a tubular overlapping with the sliding sleeve, the sliding sleeve and the tubular defining an overlapping space, and an expanded metal joint located in at least a portion of the overlapping space, the expanded metal joint comprising a metal that has expanded in response to hydrolysis.

Abstract: A unitary multilateral junction for deployment in a wellbore, wherein the multilateral junction permits electrical power and communications signals to be established in both a lateral wellbore and a main wellbore utilizing capacitive coupling and a cavity resonator. The unitary junction assembly generally includes a conduit with a first upper aperture, a first lower aperture and a second lower aperture where the first lower aperture is defined at the distal end of a primary passageway extending from a conduit junction and a second lower aperture defined at the distal end of a lateral passageway extending from the conduit junction. A lower wireless energy transfer mechanism in the form of a capacitive coupler is positioned along at least one of the passageways between the distal end of the passageway and the junction. A cavity resonator is adjacent the capacitive coupler to enhance the electric field signal of the capacitive coupler.