Constructions TRIZ Cases

An I-shaped seal on a sliding sleeve isolates secondary wellbores from high-pressure fluids, protecting existing equipment during stimulation.

A dual flapper valve shifts positions to direct cement slurry into the annulus without inner tubing.

An interchangeable module simplifies assembly by replacing specialized components with a single unit that reduces logistical complexity.

A shield machine excavator uses a swinging rotary cutter head to adapt excavation contours.

A shock-absorbing sleeve uses pressurized dampening fluid to control axial movement speed.

A flexible liner impregnated with a tracer substance uses segmented activated carbon strips to adsorb leached material from flowing water.

Passive acoustic array detects sand movement via model-based feature extraction, preventing infrastructure erosion from uncontrolled production.

A locking tool with a protrusion abuts the fishneck to mechanically hold the subsurface safety valve open during wireline operations.

A drill head wireless transmitter antenna placement strategy minimizes eddy current losses within the conductive housing during operation.

Replaces time-consuming wireline sampling with real-time spectroscopic analysis to distinguish reservoir compartments.

A photomultiplier uses conductive outer and inner rings on dynodes to shape electric fields.

Rotary lobe blowers maintain stable volume flow during dry drilling, preventing pressure drop disruptions while cyclones separate coarse cuttings.

Moisture sensors analyze rock cuttings to map groundwater locations, reducing unnecessary explosives and grouting costs.

Replacing mechanical ball drop systems with gas-driven actuation enables reliable stage isolation in deviated wellbores without increasing device complexity.

A pressure cell system uses a coaxial resonator to capture microwave permittivity measurements of samples under confining pressure.

A subterranean well valve stores mechanical energy in a biasing device using pressure differentials across its closure component.

A processing device calculates hydrocarbon ratios from borehole fluid samples to generate a fluid log.

A sealing tubing anchor catcher combines anchoring slips and sealing elements into one downhole unit.

An expandable ball seat adjusts its internal diameter to trap or release a single-sized ball, enabling precise fluid flow control within a downhole tubular.

A flow diverter uses a spring-loaded piston to automatically divert drilling fluid through bypass ports when pressure exceeds a set threshold.

Axial ball seat motion drives a pin adjusting element to shift the seat tooth, releasing cemented balls and restoring frac sleeve port closure.

Removable sacrificial lugs allow targeted replacement of worn components, extending operating life while maintaining vibration damping effectiveness.

Nitrogen vacancy centers in diamond enhance detection sensitivity for low-concentration lithium in underground brines.

A hydraulically tripped anchor uses fluid pressure to release a spring-loaded slip mechanism for secure wellbore positioning.

A neural network analyzes wellbore characteristics to predict completion equipment success, eliminating trial-and-error selection delays.

A tubular testing system filters debris from a bypass passage to prevent clogging and ensure reliable pressure testing.

Inductive couplers measure drillstring axial loads through signal gain variations, eliminating strain gauge inaccuracies from bending and temperature gradients.

Integrated actuator and slip assembly apply downforce to wellbore tubulars, eliminating standalone snubbing structures that require frequent installation.

Extendable tip assembly adapts rigid insert dimensions to seal varying tubular strings without damage.

A cable support structure holds resistive heating cables in precise configuration during indoor assembly operations.

A splicable fiber optic sensing system uses segmented adhesive to sense-transmissively lock optical fibers within a core and sheath structure.

Radially expanding plug seat segments and incremental rack disengagement maintain flowbore area while targeting multiple wellbore stages.

Clumped isotope signatures identify adsorbed versus free-phase fluids, resolving monitoring precision limits in tight reservoirs.

An opticoanalytical device monitors acidizing fluids in real-time using optical communication with flow pathways.

In situ fluid analysis eliminates laboratory transport delays, enabling immediate production optimization through accurate phase transition data.

A fully electric subsurface safety valve uses dual electromagnetic suction modules to drive rapid magnetic piston ring movement for precise control.

A biasing device returns a support foot to an aligned position during recovery phases, resolving restricted movement directions in heavy load transport.

Segmented packer assembly with drillable bridge plug plugs perforations in one trip without reducing casing diameter.

A drilling state determination method adjusts integral controller operations based on real-time sensor data to improve wellbore trajectory accuracy.

A rotary steerable drilling system uses a planetary gearbox to reverse driveshaft rotation and maintain a geostationary tool face orientation.

Dual sliding sleeves control sequential flapper closure in a differential fill valve, preventing debris lodging that causes premature failure.

Replacing precision machining with hydraulic pressure, this design positions the valve body against an abutment to reduce manufacturing costs.

Rotating a movable sleeve aligns internal openings to adjust flow settings in-field, resolving the trade-off between adaptability and device complexity.

A radially expandable sleeve and wedge apparatus distributes longitudinal force to set downhole tools.

Neural networks analyze cumulative and interval production values to forecast long-term shale gas output, resolving accuracy limitations in traditional methods.

A percussion device controller dynamically adjusts impact force magnitude during rock drilling operations.

A steering tool detects pitch and yaw orientations while receiving rotating dipole fields from markers to determine its location.

A downhole heating device transfers thermal energy to a geologic formation to reduce rock strength, replacing complex high-pressure fluid circulation stages.

Chamber junctions merge multiple well conduits into one main bore, reducing surface equipment costs and environmental impact.

A lubricator cap assembly uses a sensor to detect plunger arrival via spring movement, triggering fluid injection.