Abstract: Provided is a multilateral junction, a well system, and a method. The multilateral junction, in one aspect, includes a lateral branch template having a lateral window for positioning proximate a junction between a lateral wellbore and a main wellbore, and a lateral branch connector adapted to be sealably engaged to the lateral branch template, a portion of the lateral branch connector extending through the lateral window. The multilateral junction, according to this aspect, further includes one or more sealing elements configured to expand in volume located proximate a joint between the lateral branch template and the lateral branch connector.

Abstract: Provided is a valved wiper plug assembly, a well system, and a method for cementing a lateral liner assembly. The valved wiper plug assembly may include a valved housing, a valve member coupled to the valved housing, the valve member configured to move between an open state to allow cementing and a closed state to catch debris falling from uphole of the valved housing, and a wiper plug assembly coupled to the valved housing proximate a downhole end of the valved housing.

Abstract: A whipstock for use with a frac window system, a well system, and a method are discussed. 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 keyed running tool for use with a slotted orientation apparatus. The keyed running tool, in one aspect, includes a housing, and two or more keys extending from the housing, the two or more keys movable between a radially retracted state and a radially extended state, wherein adjacent ones of the two or more keys are laterally offset from each other and radially offset from each other by Y degrees, wherein Y is 180 degrees or less.

Abstract: Provided is a downhole isolation tool, a well system, and a method. The downhole isolation tool, in one aspect, includes an outer housing, the outer housing having a fluid passageway extending along a length thereof, an outer housing exterior surface, and an outer housing interior surface, as well as one or more fluid flow ports connecting the fluid passageway and the outer housing exterior surface. The downhole isolation tool, in one aspect, further includes an isolation sleeve positioned within the fluid passageway, the isolation sleeve configured to shift between an open state and a closed state covering the one or more fluid flow ports and obstructing fluid flow between the fluid passageway and the outer housing exterior surface, as well as a sacrificial plug member fluidly coupled with the fluid passageway, the sacrificial plug member configured to seal fluid flow through the fluid passageway.

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 well system and a method. The well system, in one aspect, includes a wellbore extending through one or more subterranean formations, and a tubular located within the wellbore. The well system, according to one aspect, further includes an energy transfer mechanism coupled to the tubular, wherein the energy transfer mechanism is located above 3 o'clock or above 9 o'clock relative to gravity.

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 wet mate, a well system, and a method. The wet mate, in one aspect, includes a wet mate housing, the wet mate housing having a male wet mate connector portion or a female wet mate connector portion. The wet mate, according to this aspect, further includes a fluid reservoir located within the wet mate housing, and a volume of optical coupling fluid located within the fluid reservoir, the volume of optical coupling fluid sufficient to allow the wet mate housing to undergo at least three decoupling/coupling sequences before running out while the wet mate housing is in a substantially horizontal location.

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: 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: A multilateral junction comprising a y-block, lateral legs, and a transition sub for use in downhole well environments. The y-block includes a main bore and lateral bores with main bore and the lateral bores having threaded interfaces. The transition sub also includes lateral bores with threaded interfaces for receiving the lateral legs that also have threaded interfaces. The threaded interfaces of the lateral bore of the y-block has a less number of threads than the threaded interfaces of the lateral bores of the transition sub. The lateral leg includes another threaded interface that couples with the threaded interface of the lateral bore. Another end of each lateral leg includes an interface, e.g. a threaded interface, which couples with an interface of a transition sub. The main bore has an internal diameter that is greater than the internal diameter of the lateral bore.

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 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 a downhole isolation tool, a well system, and a method. The downhole isolation tool, in one aspect, includes an outer housing, the outer housing having a fluid passageway extending along a length thereof, an outer housing exterior surface, and an outer housing interior surface, as well as one or more fluid flow ports connecting the fluid passageway and the outer housing exterior surface. The downhole isolation tool, in one aspect, further includes an isolation sleeve positioned within the fluid passageway, the isolation sleeve configured to shift between an open state and a closed state covering the one or more fluid flow ports and obstructing fluid flow between the fluid passageway and the outer housing exterior surface, as well as a sacrificial plug member fluidly coupled with the fluid passageway, the sacrificial plug member configured to seal fluid flow through the fluid passageway.

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 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 downhole tool, a well system and a method. The downhole tool, in one aspect, includes a first member, the first member having a first member hardness value (HV1), and a second member, the second member having a second member hardness value (HV2), the first and second members positioned proximate one another forming an overlapping space therebetween. The downhole tool according to this aspect, further includes a mechanical strengthening feature located between the first member and the second member, the mechanical strengthening feature configured to increase an engineering rating of the overlapping space, and a crack compliant seal positioned at the overlapping space, the crack compliant seal having a compliant seal hardness value (HVcs) less than or equal to one or more of the (HV1) or the (HV2).

Abstract: Provided is a downhole tool, a well system and a method. The downhole tool, in one aspect, includes a first member, the first member having a first member inside diameter (ID1), a first member outside diameter (OD1), and a first member hardness value (HV1), and a second member, the second member having a second member inside diameter (ID2), a second member outside diameter (OD2), and a second member hardness value (HV2), the first and second members positioned proximate one another forming an overlapping space therebetween. The downhole tool according to this aspect, further includes a crack compliant seal positioned at the overlapping space and having a compliant seal hardness value (HVcs) less than or equal to one or more of the (HV1) or (HV2) and a high yield strength weld positioned at the overlapping space, the high yield strength weld having a yield strength of at least 50 ksi.

Abstract: Provided is a y-block, a multilateral junction, and a method for forming a well system. The y-block, in one aspect, includes a housing having a first end and a second opposing end, and a single first bore extending into the housing from the first end, the single first bore defining a first centerline. The y-block according to this aspect further includes second and third separate bores extending into the housing and branching off from the single first bore, the second bore defining a second centerline and the third bore defining a third centerline, wherein the second and third centerlines are angled relative to one another.