Fluid Removal TRIZ Cases

Cement-resistant housing protects downhole electric stator from cement damage, enabling retrievable rotor maintenance.

Dual amine curing agent allows intermediate proppant removal, preventing screenout damage and preserving well productivity.

A drilling model normalizes gas parameters using drilling data to estimate pore pressure in tight hydrocarbon formations.

A hanger running tool anchors via a pressure-controlled actuator responding to wellbore pressure changes.

A tubing deployed ball seat system enables selective stimulation of multiple production zones in oil and gas wells.

Graphite and metakaolin in a cement mix dissipate heat to maintain zonal isolation, avoiding high-temperature disintegration of standard Portland cement.

Actuated baffles collapse for installation then expand to seal with untethered objects, preventing fluid leakage during sequential well treatments.

A dilute polymer and salt composition improves viscosity for carbonate reservoir oil recovery.

Co-solvents stabilize surfactant-polymer solutions against phase separation, improving oil recovery efficiency.

An acidic solution dissolves temporary proppants, allowing geologic forces to seal fractures and prevent long-term carbon dioxide leakage.

Segmented production log data calculates horizontal permeability profiles using multiphase flow models, resolving inaccuracy in heterogeneous reservoirs.

External motor-seal mounting provides convective cooling and simplified assembly, resolving gas erosion risks and reducing maintenance downtime.

A semi-solid well perforator uses segmented divider segments to hold shaped charges and attenuate detonation shock interference.

A spine transmits force from a shroud layer to compress overlapping mesh layers, sealing the joint against sand ingress while maintaining axial fluid flow.

A frac distribution tower merges manifold functions into a single unit with multiple valve-controlled outlets.

A sleeve shifting tool uses segmented keys to move a valve component to intermediate positions.

Thermally-stable ampss-acrylamide bipolymers maintain gel integrity in high-temperature formations while self-degrading to prevent formation damage.

A downhole assembly uses interchangeable degradable rods to adjust fluid flow rates within a wellbore annulus.

A degradable textile-based composite layer inhibits fluid diffusion to a swellable element, delaying expansion for completion operations.

Cement slurry hydrajetting perforates metal barriers while placing a remedial seal, reducing operation time and improving wellbore integrity.

A pipe closing apparatus seals ruptured riser pipes using a piston mechanism and composite materials.

Specific nutrient packages stimulate resident microorganisms to alter size and hydrophobic properties during low salinity water injection.

Adjusting fluid density with weighting materials directs fractures away from water zones, reducing extraction costs and improving multi-zone efficiency.

A resin composition combines hardenable resin with a water control hardening agent to treat subterranean formations.

Hydrophilic-lipophilic deviation model identifies optimal surfactant blends for subterranean operations.

Supramolecular host-guest complexes concentrate surfactants at oil-water interfaces, reducing energy requirements for separation.

Heterocyclic amine coatings modify particle surfaces to enhance self-aggregation and adhesion.

Segmented hingeable slip arms enable large radial expansion ratios while maintaining reliable anchoring for cement curing in narrow wellbores.

A perforation device uses trajectory-altering structures to modify projectile paths for downhole tubing penetration.

A cationic surfactant treatment fluid alters formation wetability to enhance hydrocarbon flow through subterranean fractures.

Radially expandable arms with movable cones enable easy removal of set liners, resolving the conflict between suspension stability and operational flexibility.

A supercritical CO2 and surfactant composition reduces interfacial tension to separate oil from reservoirs.

A solid-state overvoltage firing switch uses an insulator layer to control explosive detonation in well systems.

Segmented valves use darts engaging casing ribs to activate pathways without blocking full-bore access.

A polymer-based latex cementing fluid composition forms a stable colloidal dispersion to enhance mixing ability and viscosity.

Methanesulfonic acid and polyaspartic acid blend dissolves rock cracks while inhibiting secondary precipitation in reservoir treatments.

Deploying a lead drilling and production vessel followed by a secondary unit enables adaptive field operations.

A subsea cementing tool string deploys a packer and perforator to isolate and seal well annuli.

A cylindrical linear motor drives sliding motion between a rotor and stator to resolve space constraints in downhole applications.

Adjustable inflow control device regulates fluid viscosity and density changes through autonomous regulator movement, reducing coning.

Segmented actuatable latches control tubular movement within a downhole housing, resolving the trade-off between flow safety and remote actuation flexibility.

A downhole turbine assembly uses a stepped rotor shaft to position radial and thrust bearings within secondary flow paths for lubrication.

A fluid-activated flow control device cycles a seal member to close the valve after a selected number of pressure differentials.

A computer-implemented system solves coupled partial differential equations to model geomechanical reservoir behavior.

Pre-calculated pressure gradients adjust reservoir valves to correct proppant concentration deviations without overshooting.

A peak flux reducing assembly splits fluid flow through sand screens to lower localized erosion velocity.