Constructions TRIZ Cases

Outer mandrel radially expands via fluid pressure to seal against well casing.

A frac sleeve assembly uses a funnel section to expose the ball to disintegrating fluid for uniform degradation.

A conveyed radial hydraulic fluid jetting system creates lateral passages in subsurface formations using high-pressure pulsed jets.

A neural network predicts shear-slowness and bulk-density logs from gamma ray data.

Hydraulic latch releases drill string connector while ball valve actuator closes flow path, reducing deployment time.

Functional principal component analysis extracts features from vertical well logs to predict horizontal production.

Shear pins release plugs to open ports, reducing pressure loss and reaming needs.

Cutting elements integrate electromagnetic sensors to monitor formation properties during drilling operations.

A wedge pin applies axial and torsional preload to downhole tool components.

A junction isolation tool seals lateral wellbores to enable hydraulic fracturing operations in multilateral completions.

Hydraulic sensors measure elevator bracket tilt to prevent mast contact during top drive lowering operations.

Pre-installed cemented sleeves eliminate multi-trip installation delays while maintaining well control during sequential stage stimulation.

Pressure-actuated flapper valve and sliding sleeve isolate zones without bridge plugs, eliminating multiple trips and flow restrictions.

A downhole assembly uses a bypass system to selectively activate a Moineau motor, controlling torque without altering surface flow rates.

A sliding sleeve system uses a time delay mechanism to control axial travel speed and open flow ports sequentially.

Neural network model generates micro-rotation algorithm to control top drive, converting static friction into sliding resistance during directional drilling.

A feeding device moves tube element blanks into drill holes while a separation unit detaches individual inserts.

Passive adaptation accommodates varying valve positions and pressure conditions, preventing damage during deep water operations.

Camera and light source assembly extends into lateral wellhead ports to capture annular region imagery.

A polygonal liner seals the stator cavity, preventing corrosive wellbore fluid ingress and eliminating complex hermetic sealing requirements.

A top drive system alternates drill string rotation direction to reduce axial friction and increase weight transfer.

Merges time-lapse gravimetric measurements with multiphase flow models to reduce uncertainty in inter-wellbore fluid substitution detection.

Segmented top drive systems employ roller-guided loop paths to prevent entanglement and premature failure of flexible service conduits.

Unique tracers release into production tubing as lift gas circulates through individual valves.

An artificial intelligence framework models reservoir fluid dynamics using probabilistic networks to interpret subsurface compositions.

Nested insert valves redirect hydraulic control via nipple switching mechanisms, preventing costly workover operations caused by line damage.

A switchable magnetic filter uses electromagnetic induction to capture particles from downhole fluid.

An integrated radial support reduces stress on the elastomeric stator contour caused by high-power rotor eccentricity, extending component lifespan.

Experimental method determines acid-etched fracture conductivity distribution along the length direction using scaled physical models.

A composite port plug dissolves via galvanic corrosion, preventing cement intrusion and maintaining pressure differentials in wellbores.

A segmented oil separator device channels an air-oil mixture to impinge on internal baffles, resolving poor separation efficiency in compressor systems.

A microfluidic system uses a piston to push and pull flushing fluid across the sensor for rapid cleaning.

A top drive circulates hydraulic fluid through a pressure relief valve to generate heat for gearbox oil warming.

Segmented sliding valves use profiled sleeves and flexible collets to enable selective actuation without reducing bore sizes, maintaining fluid flow rates.

Positioning acoustic sensors adjacent the drill bit transmits raw data via broadband systems, eliminating feedback delays that cause suboptimal drilling paths.

Tungsten carbide and nickel-chromium alloys resist wellbore pressures while preventing seal damage.

Segmented ports and a self-locking sleeve prevent uncontrolled fracturing fluid backflow while maintaining injection efficiency.

A variable orifice nozzle assembly adjusts its effective area to maintain a flapper valve in a fully open position across varying flow rates.

Trained neural networks replace complex physics-based models to improve prediction accuracy for unconventional reservoirs.

Probabilistic model calculates drilling system failure risk to optimize control parameters and operational windows.

A polycrystalline diamond tip structure with a thick substrate bond and high filler content near the strike surface reduces crack propagation in mining tools.

Elastic spherical carbon particles withstand fracture closure stresses and pressure changes to maintain wellbore integrity in depleted zones.

Segmenting drilling fluid flow optimizes ORC power generation while maintaining precise temperature control for the mud chiller.

A scheduling system recalculates drill string activity times using real-time sensor data to guide drilling crews.

Pre-trained neural networks replace iterative equation solving to reduce computational time while maintaining accuracy in multiphase fluid flow simulations.

Machine learning combines ultrasonic and sonic measurements to characterize annular fill states, resolving ambiguity in cement integrity diagnosis.

Independent hydraulic control lines and coupled pistons distinguish intentional shut-in from leak incidents, preventing unintended well closure.

A sliding sleeve manages pressure differentials in downhole toe sleeves.

An inert nitrogen atmosphere enables direct convective heating of drill cuttings, recovering fluid while eliminating explosion risks from oxygen.