A ball release tool includes a body providing a first end and a second end, and defining a flow passageway extending between the first and second ends. A ball is releasably coupled to the body at the second end. One or more flow ports are defined in the body and in fluid communication with the flow
A ball release tool includes a body providing a first end and a second end, and defining a flow passageway extending between the first and second ends. A ball is releasably coupled to the body at the second end. One or more flow ports are defined in the body and in fluid communication with the flow passageway, wherein pressure of a fluid introduced into the flow passageway is increased to release the ball from the body.
대표청구항▼
1. A ball release tool, comprising: a body providing an uphole end and a downhole end, the body defining a flow passageway extending between the uphole and downhole ends;a ball releasably coupled to the body at the downhole end and releasably sealing the flow passageway at the downhole end, wherein
1. A ball release tool, comprising: a body providing an uphole end and a downhole end, the body defining a flow passageway extending between the uphole and downhole ends;a ball releasably coupled to the body at the downhole end and releasably sealing the flow passageway at the downhole end, wherein the ball further comprises a bulb and a stem that extends from the bulb, and wherein the body further defines an opening at the second end to receive the stem; andone or more flow ports defined in the body and in fluid communication with the flow passageway, wherein increasing pressure of a fluid introduced into the flow passageway past a predetermined threshold releases the ball from the downhole end. 2. The ball release tool of claim 1, wherein the ball is releasably coupled to the body with a shear pin that extends through at least a portion of the body and the stem. 3. The ball release tool of claim 1, wherein the stem is threaded into the opening and the ball is releasably coupled to the body with shearable threading between the stem and the opening. 4. The ball release tool of claim 1, wherein the stem engages a seat defined within the opening when the ball is releasably coupled to the body at the downhole end. 5. The ball release tool of claim 2, wherein the body exhibits a first diameter and the bulb exhibits a second diameter that is greater than or equal to the first diameter. 6. The ball release tool of claim 1, wherein the ball is made of a material selected from the group consisting of a metal, a composite material, a degradable material, and any combination thereof. 7. The ball release tool of claim 1, further comprising a nozzle positioned within at least one of the one or more flow ports. 8. The ball release tool of claim 1, further comprising a plug positioned within at least one of the one or more flow ports. 9. The ball release tool of claim 1, wherein the one or more flow ports are unobstructed. 10. A well system, comprising: a work string extendable into a wellbore and having a target baffle positioned within the work string; anda ball release tool extendable into the work string on a conveyance, the ball release tool including: a body that provides an uphole end, a downhole end, and a flow passageway that extends between the uphole and downhole ends, wherein the conveyance is coupled to the uphole end and the flow passageway is in fluid communication with the conveyance;a ball releasably coupled to the body at the downhole end and releasably sealing the flow passageway at the downhole end wherein the ball defines a bulb and a stem that extends from the bulb, and wherein the body further defines an opening at the second end to receive the stem; andone or more flow ports defined in the body and in fluid communication with the flow passageway and the conveyance,wherein increasing a pressure of a fluid introduced into the flow passageway via the conveyance releases the ball from the body, and wherein the ball is sized to engage the target baffle upon being released from the downhole end. 11. The well system of claim 10, wherein the conveyance is at least one of coiled tubing, drill pipe, drill string, casing, landing string, production tubing, and any combination thereof. 12. The well system of claim 10, wherein the ball is releasably coupled to the body with a shear pin that extends through at least a portion of the body and the stem. 13. The well system of claim 10, wherein the stem engages a seat defined within the opening when the ball is releasably coupled to the body at the downhole end. 14. The well system of claim 10, wherein the body exhibits a first diameter and the bulb exhibits a second diameter that is greater than or equal to the first diameter. 15. The well system of claim 10, further comprising a nozzle positioned within at least one of the one or more flow ports. 16. The well system of claim 10, further comprising a plug positioned within at least one of the one or more flow ports. 17. A method, comprising: introducing a ball release tool into a work string arranged within a wellbore, the ball release tool being coupled to a conveyance and including:a body that provides an uphole end, a downhole end, and a flow passageway that extends between the uphole and downhole ends, wherein the conveyance is coupled to the uphole end and the flow passageway is in fluid communication with the conveyance;a ball releasably coupled to the body at the downhole end wherein the ball defines a bulb and a stem that extends from the bulb, and the body further defines an opening at the second end to receive the stem; andone or more flow ports defined in the body and in fluid communication with the flow passageway and the conveyance;releasably sealing the flow passageway at the downhole end via the ball;pumping a fluid through the conveyance and to the ball release tool and thereby generating a backpressure within the body and the conveyance;locating the ball release tool at a target baffle positioned within the work string;increasing a pressure of the fluid to increase the backpressure and thereby release the ball from the downhole end; andlanding the ball on the target baffle. 18. The method of claim 17, further comprising regulating a flow of the fluid out of the body with at least one of a nozzle and a plug positioned within at least one of the one or more flow ports. 19. The method of claim 17, further comprising releasably coupling the ball to the body with a shear pin that extends through at least a portion of the body and the stem. 20. The method of claim 19, wherein increasing the pressure of the fluid to increase the backpressure and thereby release the ball from the body comprises increasing a flow rate of the fluid to overcome a predetermined shear limit of the shear pin. 21. The method of claim 20, wherein the stem engages a seat defined within the opening when the ball is releasably coupled to the body, the method further comprising: assuming axial loads on the bulb as the ball engages obstructions within the work string; andtransmitting the axial loads to the body at the seat via the stem. 22. The method of claim 17, wherein the target baffle is defined on a sliding sleeve, the method further comprising: increasing the pressure of the fluid within the work string; andmoving the sliding sleeve from a closed position to an open position. 23. The method of claim 17, wherein the target baffle is a landing baffle, the method further comprising increasing the pressure of the fluid within the work string after the ball lands on the target baffle.
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이 특허에 인용된 특허 (6)
Budde,Marcel, Apparatus for releasing a ball into a wellbore.
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