Fluid Removal TRIZ Cases

A 3D hybrid grid generation method combines structured and unstructured zones to model heterogeneous formations.

Bottom hole assembly isolators position offset from existing perforations to enable new perforation through the sealing device.

A pressure-set liner hanger uses a movable setting sleeve to sequentially deploy slips and packer seals via hydraulic pressure.

Vertical inclusions propagate from horizontal wellbores to create permeable drainage planes, addressing low heavy oil mobility in unconsolidated formations.

Transforming depleted high-grade sand scarcity by converting waste metabasalt into vitrified glass spheres with enhanced fracture toughness.

Orienting flow-through passages creates varying fracture initiation pressures across multiple wellbore zones, eliminating sequential equipment repositioning.

Expandable tubular sleeves mechanically seal against well casings to isolate stimulation zones.

A recovery valve uses a shearable ring to unlock tubing hanger running tools via hydraulic pressure shifts.

Segmented sliding sleeves with composite ports withstand high-pressure debris wear, preventing stuck components and enabling reliable zone isolation.

Segmented baffles create independent pathways to separate oil, water, and solids by density while reducing energy consumption.

A gas separator with a self-orientating intake mechanism dynamically aligns to gravity for effective phase separation in downhole wells.

Dual pressure chambers balance deployment forces, preventing premature release during high-pressure circulation.

A degradable bridge element introduces degradative material to accelerate object removal, resolving delays caused by debris accumulation in downhole dead zones.

A derivatized polysaccharide polymer with furan groups acts as a viscosifying agent and curable resin for fracturing fluids.

Periodic water and carbon dioxide injection cycles resolve macroscopic sweep versus residual oil trade-offs.

Constrained optimization framework filters infeasible well plans using inexpensive constraints before reservoir simulation.

Calcium carbonate coatings on fibers enhance shear resistance and plug stability, reducing lost circulation material quantities needed.

On-site LNG pressuring system vaporizes stored gas to re-establish reservoir pressure and promote symmetric fracture growth.

A perforating safety apparatus uses a pressure-driven annular piston to rotate a ballistic section into alignment, preventing accidental surface detonation.

A flow control apparatus uses a breakable bond and twisting mechanism to transition from sealed to open configurations under pressure.

A multi-barrier downhole valve system uses two independently controlled valves to provide redundant fluid containment during upper completion retrieval.

Segmenting control systems into independent primary and secondary units ensures wellbore containment reliability when surface communication fails.

Embeds reinforcement material within a swellable seal to eliminate multiple packer configurations, reducing manufacturing and inventory costs.

A plasticized polymer composition uses a water-soluble plasticizer to lower melt temperatures during processing.

Flow activated valve sets packers and perforates casings in horizontal wells, eliminating mechanical manipulation.

Expandable sealing cups isolate flow within a casing gas separator to verify precise pump intake location, preventing pump starvation in deviated wells.

Anti-fouling coatings on downhole screens resist scale and asphaltene deposition, preventing blockages and costly well interventions.

Heavy oil fracturing fluids reduce viscosity at reservoir temperatures to suspend proppants effectively.

A convertible nanosilica drilling mud converts to a solid gel via hydrolysis, preventing fluid loss without halting drilling operations.

A dissolvable sieve protects tubular tools from particulate contamination while maintaining fluid flow through its permeable structure.

A subsea pumping module separates multiphase flow into gas and liquid streams using a dedicated gas-liquid separator.

Injecting sulfate ions into calcium-rich formations precipitates calcium sulfate to seal high permeability thief zones.

Inductive coupling delivers power to subsurface safety valves, eliminating cable erosion and installation complexity in deepwater wells.

Segmented cone and cap members drive slip expansion to seal wide wellbores, overcoming radial limits of conventional single-stage designs.

Differentiated plug materials react with distinct agents to remove barriers selectively, preventing adjacent stage damage.

A plunger check valve in a drill string socket controls fluid flow between the central bore and external ports.

Chelating agents prevent divalent cation precipitation in hard brine, enabling stable in-situ surfactant generation for effective oil recovery.

External springs provide retraction force without occupying radial space, enabling projection distances exceeding 25% of the tool diameter.

A ramped deflector assembly guides downhole tools through a casing exit window to form lateral wellbores.

Integral standoffs on a sand screen create axial and radial flow paths to resolve uneven boundary layers in horizontal wells.

A polyvinyl alcohol gel composition reduces water permeability in oil wells through amino-aldehyde crosslinking.

Water stripping recovers solvents from gas streams, reducing loss and boosting hydrocarbon productivity.

Buoyant tree cap eliminates radial alignment constraints and trapped fluid corrosion during ROV installation.

Consolidated well pad layout merges injection and production wells to cut capital costs by 75% while minimizing subsurface collision risks.

Integral piston balances end cover forces to prevent deflection and fluid mixing in high-pressure transfer systems.

A supercritical carbon dioxide blend with organic solvent increases fluid density and viscosity to enhance reservoir sweep efficiency.

A collapsible expansion cone assembly radially props a liner hanger using a frustoconical mandrel surface.

A method calculates a connectivity index for fracture network cells to assign permeability values based on intersection density.