Sealing/Packing TRIZ Cases

Segmented clamp and support structures enable liner replacement without discarding hardware, preventing liquid leakage into subgrade terrain.

Filament wound single-piece slip and wedge systems eliminate assembly variability to prevent slippage in hydraulic fracturing plugs.

Segmented guide arrangements align directional caps to eliminate spiral guides, resolving trade-offs between orientation precision and system complexity.

A downhole tool uses a brittle protective coating to isolate the dissolvable component from wellbore fluids during deployment.

Localized fiber loading creates a higher modulus region in the sealing element to resist extrusion under pressure while maintaining flexibility.

A frangible glass frac plug seals wellbores using compressible seals and anchors.

Two props wedge a sealing element outward at both ends, maintaining gas tightness during pressure reversals.

A smart cellular scaffold expands via thermal or chemical stimuli to form a high-pressure seal in wellbore applications.

A frac plug rod plug secures the control member within the wellbore assembly during deployment.

Multi-stage loading zones direct pressure to enhance the seal of stripper rubber, overcoming 2500 psi limits in pressurized well environments.

Ram wedge assembly uses inclined surfaces to generate sealing force, eliminating elastomers and reducing device complexity.

Roller chains and a separable door enable wireline guidance in bulky conventional systems requiring disassembly for repairs.

Machined mandrel grooves anchor adhesive to bond sleeve components, replacing shear pins to boost lap shear strength and lower manufacturing costs.

Segmented drilling minimizes the annular gap, reducing tightening material volume while ensuring reliable earth pipe coupling.

Segmented support rings slide radially to maintain axial thrust on the seal ring, resolving leakage issues caused by structural degradation.

Spring compartments redirect axial loads around the sealing element, preventing internal pressure increases that compromise seal integrity.

A mechanical release packer plug assembly incorporates a dedicated debris chamber to capture downhole contaminants.

Graphene reinforcement in the BOP ram body increases hardness while a substrate assembly design resolves sealing difficulties caused by material stiffness.

Torque ring secures tubing hanger via protrusion engagement, eliminating housing holes that compromise sealing integrity.

A hydraulic jacking system with a lifting key removes stuck caps from wellhead adaptors.

Composite swellable materials resolve degradation trade-offs by combining rapid sealing layers with extrusion-resistant barriers for long-term durability.

Inverting sealing to inner surfaces prevents tilting and debris trapping, improving wear resistance during hanger installation.

A sealing arrangement uses rotation to apply setting force to metal elements, enabling reliable subsea wellhead installation.

A downhole seal energizing ring uses a varied cross-section with alternating peaks and valleys to reduce frictional forces, enabling lower-pressure rated tools.

An automated drone delivery system transports downhole tools through a conveyance mechanism, eliminating manual handling in hazardous red zones.

Expandable pieces propel a dissolvable pump down device through a wellbore using fluid pressure, reducing operational time and costs.

Axially displaceable pipe connection element compensates for thermal and geological stresses via hydrostatic fluid pressure.

Metal back-up rings protect elastomeric packing from high temperature and sour gas erosion, maintaining sealing reliability.

A capture ring with an articulated backup ring lowers peak setting forces during deployment, preventing element extrusion and improving shear strength.

An inner driving sleeve with asymmetric castellated surfaces enables directional rotation control during hanger connection and disconnection.

A self-setting plug uses fluid contact to expand an external portion, securing the wellbore tubing without complex manual setup.

Overlapping segments expand radially under axial force to block elastomeric sealing element extrusion in high-pressure wellbore isolation tools.

A dissolvable shroud protects packing elements from incompatible fluids, preventing premature swabbing and enabling faster run-in speeds.

A metal sealing ring expands radially outward via slip assembly force, eliminating elastomeric extrusion risks and backup rings.

Segmented sealing bodies expand radially via axial compression, resolving the trade-off between narrow bore passage and wide section sealing integrity.

Pressure balance between annulus and atmospheric chambers reduces locking mechanism loads, enabling thicker components for deep well burst resistance.

Chemical expansion of the cementitious coating improves load-bearing capacity while eliminating noisy mechanical driving processes.

Segmenting the mandrel into multiple diameters allows the packer element to achieve sufficient thickness for reliable sealing in tight annular spaces.

A packer body formed from an elastic composite material with a filler resists extrusion forces at temperatures exceeding 450°F.

An expandable seal seat extender increases packing element expansion by up to 44 percent, resolving insufficient sealing in compromised casing.

Metallic-reinforced degradable balls maintain pressure integrity in high-temperature wells, then completely degrade to prevent formation contamination.

Conforming gap control arms and replaceable wear inserts manage stress distribution in blowout preventers, extending component life.

Fluid communication ports and movable pistons equalize pressure across sealing plugs, preventing premature rupture during downhole tool actuation.

Bonded slip segments eliminate cage systems to increase cross-sectional area for tool deployment.

A wellbore cementing tool uses an outer sleeve and biased locking members to secure itself within a drill string without rotation.

Embedded recovery sleeves guide packing element deformation to resolve sealing capability versus ease of installation trade-offs.

Local plastic expansion of casing seals micro-annular leak paths and prevents inter-zonal communication while reducing cement volume.

A keyed slip system uses a sliding rod mechanism to convert axial force into radial expansion for secure tubular engagement.