Wellbore Tubulars Including Selective Stimulation Ports Sealed with Sealing Devices and Methods of Operating the Same
First Claim
1. A wellbore tubular configured to extend within a subterranean formation, the wellbore tubular comprising:
- a tubular body including an external surface and an internal surface, wherein the internal surface defines a tubular conduit;
a plurality of selective stimulation ports (SSPs), wherein each SSP of the plurality of SSPs includes;
(i) an SSP conduit extending between the internal surface of the tubular body and the external surface of the tubular body; and
(ii) a sealing device seat shaped to form a fluid seal with a sealing device that selectively flows into engagement with the sealing device seat; and
a plurality of sealing devices, wherein each of the plurality of sealing devices is associated with a corresponding sealing device seat of a corresponding SSP of the plurality of SSPs and includes;
(i) a primary sealing portion, which is seated on the corresponding sealing device seat and forms a primary seal with the corresponding sealing device seat to at least partially restrict fluid flow through the SSP conduit; and
(ii) at least one secondary sealing portion, which extends from the primary sealing portion and forms a secondary seal between the primary sealing portion and the corresponding sealing device seat to at least partially restrict fluid flow through a leakage pathway between the primary sealing portion and the corresponding sealing device seat.
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Accused Products
Abstract
Wellbore tubulars including selective stimulation ports (SSPs) sealed with sealing devices and methods of operating the same are disclosed herein. The wellbore tubulars include a tubular body that defines a tubular conduit and a plurality of selective stimulation ports. Each selective stimulation port includes an SSP conduit and a sealing device seat. The wellbore tubulars further include a plurality of sealing devices. Each sealing device includes a primary sealing portion that is seated on a corresponding sealing device seat and forms a primary seal with the corresponding sealing device seat. Each sealing device also includes a secondary sealing portion that extends from the primary sealing portion and forms a secondary seal between the primary sealing portion and the corresponding sealing device seat. The methods include methods of stimulating a subterranean formation utilizing the wellbore tubulars.
23 Citations
27 Claims
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1. A wellbore tubular configured to extend within a subterranean formation, the wellbore tubular comprising:
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a tubular body including an external surface and an internal surface, wherein the internal surface defines a tubular conduit; a plurality of selective stimulation ports (SSPs), wherein each SSP of the plurality of SSPs includes; (i) an SSP conduit extending between the internal surface of the tubular body and the external surface of the tubular body; and (ii) a sealing device seat shaped to form a fluid seal with a sealing device that selectively flows into engagement with the sealing device seat; and a plurality of sealing devices, wherein each of the plurality of sealing devices is associated with a corresponding sealing device seat of a corresponding SSP of the plurality of SSPs and includes; (i) a primary sealing portion, which is seated on the corresponding sealing device seat and forms a primary seal with the corresponding sealing device seat to at least partially restrict fluid flow through the SSP conduit; and (ii) at least one secondary sealing portion, which extends from the primary sealing portion and forms a secondary seal between the primary sealing portion and the corresponding sealing device seat to at least partially restrict fluid flow through a leakage pathway between the primary sealing portion and the corresponding sealing device seat. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of stimulating a subterranean formation via a tubular conduit, the method comprising:
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pressurizing the tubular conduit to a pressure of at least 30 megapascals with a stimulant fluid; wherein the tubular conduit is defined by a wellbore tubular that extends within the subterranean formation and includes a selective stimulation port (SSP); wherein the SSP includes; (i) an SSP body having a conduit-facing region and a formation-facing region; (ii) an SSP conduit that is defined by the SSP body and extends between the conduit-facing region and the formation-facing region; (iii) an isolation device extending within the SSP conduit and configured to selectively transition from a closed state, in which the isolation device restricts fluid flow through the SSP conduit, and an open state, in which the isolation device permits fluid flow through the SSP conduit; (iv) a retention device coupling the isolation device to the SSP body to retain the isolation device in the closed state prior to receipt of a shockwave that has greater than a threshold shockwave intensity; and (v) a sealing device seat defined by the conduit-facing region of the SSP body; during the pressurizing, retaining the isolation device in the closed state; generating a shockwave within a wellbore fluid that extends within the tubular conduit, wherein the generating includes generating within a region of the tubular conduit that is proximal the SSP such that a magnitude of the shockwave, as received by the SSP, is greater than a threshold shockwave intensity; responsive to receipt of the shockwave that has greater than the threshold shockwave intensity, transitioning the isolation device from the closed state to the open state to permit fluid communication, via the SSP conduit, between the tubular conduit and the subterranean formation; responsive to the transitioning, flowing the stimulant fluid into the subterranean formation to stimulate the subterranean formation; subsequent to flowing the stimulant fluid for at least a threshold stimulation time, flowing a sealing device into contact with the sealing device seat; wherein the sealing device includes a primary sealing portion configured to seat upon the sealing device seat and at least one secondary sealing portion that extends from the primary sealing portion; at least partially restricting fluid flow through the SSP conduit with the primary sealing portion of the sealing device; and at least partially restricting fluid flow through a leakage pathway, which extends between the primary sealing portion and the sealing device seat, with at least one secondary sealing portion of the sealing device. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification