Abstract: A slip insert is provided. The slip insert may include a concave surface formed therein. An edge can be formed between a first two-dimensional planer surface and the concave surface. The slip insert may include an edge formed between an intersection of a first two-dimensional planer surface and a second two-dimensional planer surface extending form the concave surface.

Abstract: A frac plug is provided. The frac plug includes a plug body, a sealing element, and a slip. The plug body includes a first sub and a second sub. The first sub includes a first composite material outer sleeve, and a first metal inner core engaged with and structurally supporting the first composite material outer sleeve. The second sub includes a second composite material outer sleeve, and a second metal inner core engaged with and structurally supporting the second composite material outer sleeve. The sealing element is circumferentially disposed about the first sub and, when actuated, seals an annulus between the frac plug and a tubular section. The slip is disposed between the first sub and the second sub and, when actuated, engages the tubular section.

Abstract: A frac plug is provided. The frac plug may include a first sub, a second sub, a slip, a sealing element, a lock ring, a back-up ring, and a compression ring. The first sub may be threadably engaged with the lock ring. The lock ring may be threadably engaged with the second sub. The slip and the back-up ring may be positioned between the first sub and the second sub, and circumferentially disposed about a tapered outer surface of the first sub. The slip and the back-up ring may include a tapered inner surface. The slip may also include a left-hand thread profile defined by the outer surface. The sealing element and compression ring may be circumferentially disposed about the first sub, and the compression ring may be threadably engaged with the first sub.

Abstract: A slip for a downhole tool is provided. The slip may include an annular body having a first axial end, a second axial end, an inner surface, an outer surface, and an axial length. The annular embody further includes a taper on the inner surface that extends along the axial length of the annular body, and a left-hand thread pattern defined by the outer surface and extending from the first axial end along a portion of the axial length, each thread of the left-hand thread pattern having a crest that is angled toward the first axial end.

Abstract: A slip for a downhole tool is provided. The slip may include an annular body having a first axial end, a second axial end, an inner surface, an outer surface, and an axial length. The annular embody further includes a taper on the inner surface that extends along the axial length of the annular body, and a left-hand thread pattern defined by the outer surface and extending from the first axial end along a portion of the axial length, each thread of the left-hand thread pattern having a crest that is angled toward the first axial end.

Abstract: A frac plug is provided. The frac plug may include: a plug body having an outer surface, and including a taper extending along a portion of the outer surface; a sealing element circumferentially disposed about the plug body that, when actuated, seals an annulus between the frac plug and a tubular section; a slip circumferentially disposed about the plug body that, when actuated, engages the tubular section; and a back-up ring circumferentially disposed about the plug body that, when expanded along the taper of the plug body, contacts the tubular section and prevents extrusion of the sealing element.

Abstract: A frac plug is provided. The frac plug may include a first sub, a second sub, a slip, a sealing element, a lock ring, a back-up ring, and a compression ring. The first sub may be threadably engaged with the lock ring. The lock ring may be threadably engaged with the second sub. The slip and the back-up ring may be positioned between the first sub and the second sub, and circumferentially disposed about a tapered outer surface of the first sub. The slip and the back-up ring may include a tapered inner surface. The slip may also include a left-hand thread profile defined by the outer surface. The sealing element and compression ring may be circumferentially disposed about the first sub, and the compression ring may be threadably engaged with the first sub.

Abstract: A frac plug is provided. The frac plug includes a plug body, a sealing element, and a slip. The plug body includes a first sub and a second sub. The first sub includes a first composite material outer sleeve, and a first metal inner core engaged with and structurally supporting the first composite material outer sleeve. The second sub includes a second composite material outer sleeve, and a second metal inner core engaged with and structurally supporting the second composite material outer sleeve. The sealing element is circumferentially disposed about the first sub and, when actuated, seals an annulus between the frac plug and a tubular section. The slip is disposed between the first sub and the second sub and, when actuated, engages the tubular section.

Abstract: A downhole tool and method of operation thereof is provided. The downhole tool may be configured to permit fluid communication between a combined flowbore of the casing string and the downhole tool and the subterranean formation or wellbore, or both, after a pressure test has been completed, a second threshold pressure is reached or applied, and a third threshold pressure has been applied to the downhole tool.

Abstract: A downhole tool and method for performing to provide a flow path from an inner bore thereof to a wellbore annulus, wherein the flow path is provided upon the application of pressure.

Abstract: A clamping apparatus allowing a downhole line to be fed between downhole tubular members. The clamping apparatus can include a first and second half, each including: support arms with inner surfaces, connecting walls, and grips. The first and second halves can be selectively connectable. The clamping apparatus can include handles, hinges, and latches. A system for feeding a downhole line between an outer tubular member and an inner tubular member can include an outer tubular member disposed about an inner tubular member, wherein the clamping apparatus is disposed about the inner tubular member.

Abstract: A downhole shifting mechanism having an inner tubular member, an outer tubular member, a piston, a first set of teeth, a sliding block, a body lock ring, a first flow path, and a second flow path is described herein. A downhole assembly can include the downhole shifting mechanism with a downhole tool connected to a second end of the downhole shifting mechanism. Also described is a method for shifting a downhole tool disposed within a wellbore.

Abstract: One or more embodiments of a selectively openable and closable downhole tool. The wherein, the downhole tool can include an outer tubular member having an annulus port formed therethrough. The downhole tool can also include an inner tubular member. The inner tubular member can include an inner port. The inner port and annulus port can be selectively aligned to form a flow path therethrough by moving the inner tubular member relative to the outer tubular member. The downhole tool can also include a logic drum configured to selectively move the inner tubular member. The downhole tool can also include a piston assembly configured to move the logic drum.

Abstract: A method for feeding a downhole line between two tubulars is provided. The method can include connecting a clamping apparatus about a first tubular member. The method can include supporting a second tubular member with a support surface of the clamping apparatus, feeding a downhole line through a pass through channel formed between the clamping apparatus and a tubular member, and communicating the downhole line with a tool. The clamping apparatus can include two halves, each with support arms, connecting walls, and grips.

Abstract: A coiled tubing multi-zone frac system for fracing a formation adjacent a well using a sliding sleeve and erodible jets. Erodible jets can provide a means for perforating, fracing and flowing the well which takes the place of two separate tools that are otherwise needed to cause a well to flow, namely, this single tool replaces a perforating gun, a production sleeve.

Abstract: A bypass device for bypassing a hydraulic piston in a wellbore with an outer tubular body. The outer tubular body can have a fluid control manifold. The fluid control manifold can have two control paths, two high pressure fluid paths, and two valves connecting with two high pressure fluid connecting paths. An inner tubular body can be disposed within the outer tubular body, and a piston chamber can be disposed between the inner tubular body and the outer tubular body. The piston chamber can include two piston chamber sections separated by a hydraulic piston.

Abstract: A downhole filter with a filter housing having a top filter and a bottom filter disposed therein. The filter housing can be in fluid communication with each filter. Each filter can be in fluid communication with a burst disk housing having a burst disk module and a burst disk. Each burst disk housing can be in fluid communication with the filter housing. Fluid can flow through the filter housing and through the filter. When a filter is clogged, the fluid can burst a burst disk, thereby bypassing the filter. The downhole filter can include a middle sub in fluid communication with the top filter and a second portion of the filter housing. The middle sub can threadably engage a bottom burst disk housing.

Abstract: A method for connecting control lines to well bore equipment for controlling a well on a batch basis. A batch basis as used herein can mean that the well is controlled periodically. A first half of the pin connector can be formed by securing an extending hydraulic wet connector to a lower tubular portion. The lower tubular portion can have a lower tubular body, a first pin, and a lower hydraulic flow path.

Abstract: A device for shifting a sliding sleeve. The sliding sleeve is concentrically positioned within a well, and wherein the well is in communication with a hydrocarbon reservoir. In the most preferred embodiment, the device comprises an outer housing forming an annulus with the well and a power piston slidably disposed within the outer housing. The power piston includes an upper shoulder configured to form an annular chamber and a tubular chamber relative to the outer housing, a lower shoulder configured to form an atmospheric chamber relative to the outer housing. The device further comprises a first latch for preventing upward movement of the power piston, a second latch for preventing downward movement of the power piston, and wherein movement of the power piston shifts the sliding sleeve.

Abstract: A double pin connector with hydraulic connect and seal assembly having a top portion. The top portion has an upper tubular portion. The upper tubular portion engages an intermediate tubular portion. The intermediate tubular portion has an upper flow path in fluid communication with the first hydraulic connector and a plurality of seals comprising at least one second hydraulic flow path seal.