A wellbore servicing apparatus comprising a housing defining an axial flowbore and comprising one or more ports providing a route of fluid communication between the axial flowbore and an exterior of the housing, a sliding sleeve disposed within the housing and comprising a seat and an orifice, the s
A wellbore servicing apparatus comprising a housing defining an axial flowbore and comprising one or more ports providing a route of fluid communication between the axial flowbore and an exterior of the housing, a sliding sleeve disposed within the housing and comprising a seat and an orifice, the sliding sleeve being movable from a first position in which the ports are obstructed by the sliding sleeve to a second position in which the ports are unobstructed by the sliding sleeve, and the seat being configured to engage and retain an obturating member, and a fluid delay system comprising a fluid chamber containing a fluid, wherein the fluid delay system is operable to allow the sliding sleeve to transition from the first position to the second position at a delayed rate.
대표청구항▼
1. A wellbore servicing apparatus comprising: a housing defining an axial flowbore and comprising one or more ports providing a route of fluid communication between the axial flowbore and an exterior of the housing;a sliding sleeve disposed within the housing and comprising a seat, the sliding sleev
1. A wellbore servicing apparatus comprising: a housing defining an axial flowbore and comprising one or more ports providing a route of fluid communication between the axial flowbore and an exterior of the housing;a sliding sleeve disposed within the housing and comprising a seat, the sliding sleeve being movable from a first position in which the ports are obstructed by the sliding sleeve to a second position in which the ports are unobstructed by the sliding sleeve, and the seat being configured to engage and retain an obturating member; anda fluid delay system comprising a fluid chamber substantially defined by the housing of the sliding sleeve and an orifice disposed within the sliding sleeve, wherein the orifice of the sliding sleeve is not in fluid communication with the fluid chamber when the sliding sleeve is in the first position, wherein the orifice of the sliding sleeve comes into fluid communication with the fluid chamber upon movement of the sliding sleeve from the first position in the direction of the second position, and wherein the fluid chamber contains a compressible fluid, wherein the fluid delay system is operable to allow the sliding sleeve to transition from the first position to the second position at a delayed rate. 2. The wellbore servicing apparatus of claim 1, wherein the orifice is configured to allow at least a portion of the compressible fluid to escape from the fluid chamber at a controlled rate. 3. The wellbore servicing apparatus of claim 1, wherein the wellbore servicing apparatus is configured such that an application of pressure to the sliding sleeve via the obturating member and the seat, a force is applied to the sliding sleeve in the direction of the second position. 4. The wellbore servicing apparatus of claim 3, wherein the wellbore servicing apparatus is configured such that the force causes the compressible fluid to be compressed. 5. The wellbore servicing apparatus of claim 1, wherein the sliding sleeve is retained in the first position by a shear-pin. 6. The wellbore servicing apparatus of claim 1, wherein the fluid has a bulk modulus in the range of from about 1.8 105 psi, lbf/in2 to about 2.8 105 psi, lbf/in2. 7. The wellbore servicing apparatus of claim 1, wherein the compressible fluid comprises silicon oil. 8. The wellbore servicing apparatus of claim 1, wherein the orifice does not provide a route of fluid communication between the fluid chamber and the axial flowbore when the sliding sleeve is in the first position. 9. The wellbore servicing apparatus of claim 8, wherein the orifice provides the route of fluid communication between the fluid chamber and the axial flowbore upon movement of the sliding sleeve from the first position in the direction of the second position. 10. A wellbore servicing method comprising: positioning a casing string within a wellbore, the casing string having incorporated therein a wellbore servicing apparatus, the wellbore servicing apparatus comprising: a housing defining an axial flowbore and comprising one or more ports providing a route of fluid communication between the axial flowbore and an exterior of the housing;a sliding sleeve disposed within the housing and comprising a seat, the sliding sleeve being movable from a first position to a second position; anda fluid delay system comprising a fluid chamber substantially defined by the housing of the sliding sleeve and an orifice disposed within the sliding sleeve, wherein the fluid chamber contains containing a compressible fluid;transitioning the sliding sleeve from the first position in which the ports of the housing are obstructed by the sliding sleeve and the orifice of the sliding sleeve is not in fluid communication with the fluid chamber when the sliding sleeve is in the first position to the second position in which the ports of the housing are unobstructed by the sliding sleeve and the orifice of the sliding sleeve comes into fluid communication with the fluid chamber upon movement of the sliding sleeve from the first position in the direction of the second position, wherein the fluid delay system causes the sliding sleeve to transition from the first position to the second position at a delayed rate, wherein the delayed rate of transition from the first position to the second position causes an elevation of pressure within casing string;verifying that the sliding sleeve has transitioned from the first position to the second position; andcommunicating a wellbore servicing fluid via the ports. 11. The wellbore servicing method of claim 10, wherein transitioning the sliding sleeve from the first position to the second position comprises: introducing an obturating member into the casing string;flowing the obturating member through the casing string to engage the seat within the wellbore servicing apparatus;applying a fluid pressure to the sliding sleeve via the obturating member and the seat. 12. The wellbore servicing method of the claim 11, wherein applying the fluid pressure to the sliding sleeve results in a force applied to the sliding sleeve in the direction of the second position. 13. The wellbore servicing method of claim 12, where the force applied to the sliding sleeve in the direction of the second position causes the sliding sleeve to move in the direction of the second position and compresses the compressible fluid within the fluid chamber. 14. The wellbore servicing method of claim 10, wherein the compressible fluid is allowed to escape from the fluid chamber via the orifice after the orifice comes into fluid communication with the fluid chamber. 15. The wellbore servicing method of claim 10, wherein verifying that the sliding sleeve has transitioned from the first position to the second position comprises observing the elevation of pressure within the casing string. 16. The wellbore servicing method of claim 10, wherein the elevation of pressure within the casing string dissipates upon the sliding sleeve reaching the second position. 17. The wellbore servicing method of claim 16, wherein verifying that the sliding sleeve has transitioned from the first position to the second position comprises observing the elevation of pressure within the casing string followed by the dissipation of the elevated pressure from the casing string. 18. The wellbore servicing method of claim 17, wherein verifying that the sliding sleeve has transitioned from the first position to the second position comprises observing the elevation of pressure to at least a threshold magnitude. 19. The wellbore servicing method of claim 17, wherein verifying that the sliding sleeve has transitioned from the first position to the second position comprises observing the elevation of pressure for at least a threshold duration. 20. The wellbore servicing method of claim 10, wherein the orifice does not provide a route of fluid communication between the fluid chamber and the axial flowbore when the sliding sleeve is in the first position. 21. The wellbore servicing method of claim 20, wherein movement of the sliding sleeve a distance from the first position in the direction of the second position causes the orifice to provide the route of fluid communication between the fluid chamber and the axial flowbore. 22. A wellbore servicing method comprising: positioning a tubular sting having a flowbore within a wellbore, wherein the tubular string has incorporated therein a wellbore servicing apparatus;transitioning the wellbore servicing apparatus from a first mode to a second mode, wherein transitioning the wellbore servicing apparatus from the first mode to the second mode comprises: introducing an obturating member into the tubular string;flowing the obturating member through the flowbore of the tubular string engage a seat associated with the wellbore servicing apparatus; andapplying a fluid pressure via the obturating member and the seat;wherein the wellbore servicing apparatus is configured to transition from the first mode to the second mode at a delayed rate and to cause an elevation of pressure within a flowbore of the wellbore servicing apparatus; anddetecting the elevation of the pressure within the flowbore, wherein detection of the elevation of the pressure within the flowbore for a predetermined duration, to a predetermined magnitude, or both serves as an indication that the wellbore servicing apparatus is transitioning from the first mode to the second mode. 23. The wellbore servicing method of claim 22, further comprising: communicating a wellbore servicing fluid via the wellbore servicing apparatus.
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