Create first-stage flow access with pressure-based activation and support more consistent toe initiation in multistage fracturing operations
talk to an expertCompleting the first stage of a fracturing operation often requires a balance between activation pressure, well conditions, and operational efficiency. A pressure-activated toe sleeve can help simplify that process by creating an initial flow path without additional intervention, helping operators move into stimulation activities with greater confidence in the planned completion design.
Designed for multistage fracturing and plug-and-perf applications, this solution opens when applied internal pressure reaches a predetermined rupture disc value. The result is a flow path from the tubing or casing ID to the outside diameter that supports first-stage access while helping reduce reliance on additional intervention methods.
Every completion design has unique pressure requirements. To support those requirements, rupture discs can be selected in 500-psi increments with a nominal ±2% rating tolerance. This allows engineers to align activation pressure with well hydrostatics, casing limitations, and other pressure-operated completion tools.
A reliable first-stage flow path is important for maintaining operational efficiency. The design uses an atmospheric chamber and dual rupture discs to support tool integrity throughout activation. Once open, a positive locking mechanism helps retain the sleeve position and maintain flow access for subsequent operations.
This approach can help reduce the requirement for a coiled tubing run with tubing-conveyed or wireline perforating while also facilitating casing tests below the sleeve opening pressure. For operators focused on repeatable completion execution, consistency in opening pressure remains a key advantage.
Cement placement requirements can introduce additional considerations during completion design. Threaded ports accept SoluPort® degradable protectors, which help prevent cement in the annulus from interfering with sleeve operation. This supports cement placement objectives while preserving tool functionality.
A large internal diameter accommodates HWE® cementing plugs and other high-strength cementing wiper plugs, giving operators flexibility when planning cementing programs and completion configurations.
The solution supports a range of unconventional completion environments, including multizone fracture operations, plug-and-perf programs, long-string completions, and liner completions. It can be used in vertical wells, high-deviation wells, cemented completions, and openhole completions.
For operators who want a pressure-activated toe sleeve that helps provide interventionless first-stage access and customizable activation pressure, this design offers a practical approach that aligns with a wide range of completion objectives.
| Specification | Value |
|---|---|
| Activation method | Absolute internal pressure |
| Opening mechanism | Dual rupture discs |
| Rupture disc selection | 500-psi increments |
| Rating tolerance | Nominal ±2% |
| Cementing compatibility | Compatible with HWE® cementing plugs and other high-strength cementing wiper plugs |
| Port protection | SoluPort® degradable protectors |
| Position retention | Positive locking mechanism |
| Application types | Multizone fracturing, plug-and-perf, cemented, and openhole completions |
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