Abstract: A downhole tool includes a body defining an axial bore and one or more radial ports. The downhole tool also includes a first sleeve positioned at least partially within the body. The first sleeve is configured to block fluid communication from the axial bore through the one or more radial ports when the downhole tool is in a first position. Fluid flow is permitted from the axial bore through the one or more radial ports when the downhole tool is in a second position. The downhole tool also includes a second sleeve positioned at least partially within the body. The second sleeve is configured to block fluid communication from the axial bore through the one or more radial ports when the downhole tool is in a third position. The downhole tool also includes a seat coupled to the second sleeve. The seat is configured to receive an impediment.

Abstract: A downhole tool includes a body defining a bore axially therethrough and a port in communication with the bore and extending radially through the body, an inner cap positioned in the port, the inner cap sealing the port, and an outer cap positioned in the port. The outer cap is spaced apart from the inner cap, and the outer cap seals the port, such that a chamber is defined between the inner and outer caps in the port. The inner cap is configured to move toward outer cap in response to a first pressure differential between bore and the chamber across the outer cap. The inner cap is configured to dislodge the outer cap from the port in response to the inner cap engaging the outer cap and a second pressure differential between the bore and an exterior of the downhole tool being reached across the inner cap.

Abstract: A downhole tool includes a body defining a bore axially therethrough and a port in communication with the bore and extending radially through the body, an inner cap positioned in the port, the inner cap sealing the port, and an outer cap positioned in the port. The outer cap is spaced apart from the inner cap, and the outer cap seals the port, such that a chamber is defined between the inner and outer caps in the port. The inner cap is configured to move toward outer cap in response to a first pressure differential between bore and the chamber across the outer cap. The inner cap is configured to dislodge the outer cap from the port in response to the inner cap engaging the outer cap and a second pressure differential between the bore and an exterior of the downhole tool being reached across the inner cap.

Abstract: A downhole tool includes a body defining a bore axially therethrough and a port in communication with the bore and extending radially through the body, an inner cap positioned in the port, the inner cap sealing the port, and an outer cap positioned in the port. The outer cap is spaced apart from the inner cap, and the outer cap seals the port, such that a chamber is defined between the inner and outer caps in the port. The inner cap is configured to move toward outer cap in response to a first pressure differential between bore and the chamber across the outer cap. The inner cap is configured to dislodge the outer cap from the port in response to the inner cap engaging the outer cap and a second pressure differential between the bore and an exterior of the downhole tool being reached across the inner cap.

Abstract: A downhole tool includes a body defining an axial bore and one or more radial ports. The downhole tool also includes a first sleeve positioned at least partially within the body. The first sleeve is configured to block fluid communication from the axial bore through the one or more radial ports when the downhole tool is in a first position. Fluid flow is permitted from the axial bore through the one or more radial ports when the downhole tool is in a second position. The downhole tool also includes a second sleeve positioned at least partially within the body. The second sleeve is configured to block fluid communication from the axial bore through the one or more radial ports when the downhole tool is in a third position. The downhole tool also includes a seat coupled to the second sleeve. The seat is configured to receive an impediment.

Abstract: The isolation valve assembly includes a ball member stabilized relative to a ceramic ring, an upper ball housing and a lower ball seat with a set of shifting bars, a set of locking bars, and a set of supporting bars. The shifting bars rotate the ball member between opened and closed configurations, while the locking bars and supporting bars stabilize the ball member. The supporting bars are off set from the shifting bars and locking bars, and the supporting bars are anchored to the assembly separate from the locking bars and shifting bars. The actuation of the shifting bars is independent from the locking bars and the supporting bars so that the ball member can be held in the opened or closed configuration with more stability.

Abstract: The isolation valve assembly includes a ball member stabilized relative to a ceramic ring, an upper ball housing and a lower ball seat with a set of shifting bars, a set of locking bars, and a set of supporting bars. The shifting bars rotate the ball member between opened and closed configurations, while the locking bars and supporting bars stabilize the ball member. The supporting bars are off set from the shifting bars and locking bars, and the supporting bars are anchored to the assembly separate from the locking bars and shifting bars. The actuation of the shifting bars is independent from the locking bars and the supporting bars so that the ball member can be held in the opened or closed configuration with more stability.