Patent ID: 9353599
Filing Date: 2016-05-31
CPC Classification: E21B

Claim Text:
1. A pressure response fracture port tool comprising: an outer housing having a first set of flow ports and a second set of flow ports, the first set of flow ports having a smaller flow area than the second set of flow ports; a sliding sleeve residing within the outer housing, the sliding sleeve capable of moving in response to fluid pressure between a first position in which the first and second set of flow ports of the outer housing are covered by a portion of the sliding sleeve, to a second position in which the first set of flow ports of the outer housing are uncovered by the portion of the sliding sleeve, to a third position in which the second set of flow ports of the outer housing are uncovered by the portion of the sliding sleeve, wherein a fluid medium is used to affect the rate of travel between the second and third positions.