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HoleGuard™ Wellbore, Hanger and Seal Area Protector
Protecting exposed wellbores, hangers and seal areas during Well Intervention.
Page last modified
March 17 2023
During well intervention, where the wellbore, hanger and flange seal areas are exposed, there is a risk that a dropped object may enter the wellbore or damage the hanger or seal area, leading to lost production and increased well costs. To reduce this risk A.L.A.R.P Operators collaborated with ThinJack® to develop HoleGuard™ for platform or land based surface wells.
With tie down straps, HoleGuard creates a rigidly contained, near immovable, air gap between the inside of its cylinder and the hanger neck. This reduces the likelihood of dropping objects into the well bore causing damage to safety valves and gas lift mandrels, or obstructions to choke valves and effective well intervention. Removing these dropped objects may need costly multi-trip fishing operations .
HoleGuard gives operators confidence that wellbores, hangers and critical sealing parts are better protected than they would be otherwise.
Pro/con
Replaces: No protection at all; temporary on site solutions unfit for purpose & solutions engineered project by project
Final barrier for typical dropped objects entering the wellbore or damaging connecting hangers
Fast fit with soft elastomer protecting sealing gasket groove
Standard design for flanges with R, RX and BX gaskets with family size of 17 covering the popular range of well bore sizes. Modular design for other gaskets and flanges
Rigidly contained air gap between the hanger & the inside of the HoleGuard, which protects the hanger
Dual purpose vent holes: Escape path for gas build up & anti suction for fluid level drop
Highly visible coating providing easy recognition before flange connection
For use on vertical, horizontal and angled well flanges and connections
Subsea applications are for special orders
HoleGuard is NEITHER a dry hole tree NOR a suspension cap
Specification
Areas of Application
Wellbore | Well spool connecting hanger | Flange sealing face
Compatibility
For use on vertical, horizontal and angled well flanges and connections
Installation
Fast Fit: Self centring in flange ring groove, after the ring gasket is removed | HoleGuard covers the wellbore, hanger and control lines inside it
Return on Investment
Pay a little to protect your wellbore and neck now, or a lot later
Safety
With tie down straps, HoleGuard creates a rigid, near immovable air gap between the inside of its cylinder and the hanger neck
Relative Business Impact
Technology Readiness Level
[9/9]
Development
Technology demonstration
Mature / Proven
Technology deployed by:
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