Constructions TRIZ Cases

This case uses a compressed-gas pressure vessel to divert mud and preserve wellbore pressure until pumps or power return.

This case uses split face plates and cutout lattice braces to reduce horsehead weight, energy use, and operating cost.

This case uses removable external fixing to seal a tubular body while preserving the housing’s inner diameter for later tool passage.

This case shows how an HCP-phase binder in cemented carbide reduces brittle fracture risk and extends rock drill bit service life.

Hydraulic cylinders actuate asymmetric stake arrangements to balance drill holding strength, energy use, and soil conditions.

This case uses local surface texture and cuspations to retain fluid, increase biomat buildup, and improve wastewater treatment.

Distributed pressure sensors capture nonlinear fracture changes for more reliable plugged-fracture pressure-bearing assessment.

An isolation sleeve, vent assembly, and check valves control fluid flow when a retrievable motor is removed from the well.

An integrated tool combines jetting, reverse circulation, and camera inspection to remove debris and reduce multiple wellbore trips.

Using more pumps initially and fewer at final pressure helps protect wellhead piping and pumps from backlash damage.

Wireline modeling determines optimal solid particle concentration to seal fractures and prevent fluid loss in depleted reservoirs.

Downhole annular valve accelerates fracking fluid to induce formation fractures, overcoming high closure stresses in overburdened zones.

Axial flapper valve design uses mechanical retention to eliminate multiple control lines and constant hydraulic pressure requirements.

Hydraulic actuation tilts a power swivel up to 90 degrees, eliminating manual alignment tasks that cause operator injury and equipment damage in drilling rigs.

Visual indicators on the wellhead valve assembly confirm proper seating without relying on compromised hanger threads, preventing blowouts.

Segmenting sensors allows placing the radiation source away from the drill bit, enabling real-time ROP calculation while reducing device complexity.

Compound angle tapered nose delays metal seal deformation, ensuring emergency seal compression and pressure integrity.

Wireless communication and solenoid valves replace mechanical ball systems to eliminate fluid loss during port activation.

A reverse circulation debris removal tool with an extended snorkel attaches to an isolation seal assembly for wellbore deployment.

Segmented retrievable stimulation frac plug uses debris deflection to prevent accumulation, enabling simultaneous retrieval of multiple zones.

A seat assembly receives an untethered object to form a fluid barrier inside a tubing string.

Segmented sleeve apertures align with tubular ports over short shifts, reducing pressure drop during activation.

A digital thermal avatar replicates physical tool characteristics to model heat generation and optimize operational parameters.

Segmenting the manifold into replaceable rings reduces downtime by allowing specific component swaps without redesigning the entire system.

Comparing breakthrough curves of passive and porosity-sensitive tracers resolves seismic data inaccuracies to map inter-well reservoir porosity.

A reinforcement learning surrogate model predicts oil production from dynamic site data to optimize injection modes.

A sequential volumetric balance and partitioning tracer injection method determines residual oil saturation in closed systems without depressurization.

Rotating fracturing valves seal casing ports to prevent fluid migration between stages, boosting well productivity.

Segmented magnet sets allow flexible valve sequencing while replacing fragile control lines to prevent damage during horizontal well deployment.

A variable linkage gripper uses hydraulic actuation to expand flexible toes across varying wellbore diameters.

A boron carbide ceramic filter surrounds sliding sleeve doors to block sand while maintaining high fluid flow rates.

A well string clutch uses a hydraulic sleeve to disengage drill bit rotation from the drill string.

Undulating lip seal on tubular metallic seat maintains leak-tight closure against well debris without auxiliary control conduit.

Immiscible dopants separate catalysts from diamond particles to prevent graphitization during sintering.

Hydraulic packer replaces mechanical setting with fluid pressure acting on a piston to expand the annulus area, ensuring reliable zone sealing.

Coated tracers dissolve in acid stimulation fluids to identify zonal distribution, resolving inadequate monitoring tools.

A telescoping slant well system with an engineered artificial filter pack stabilizes subsea aquifer materials and induces water recharge.

Flexible sealed packs in a downhole cavity prevent leakage under high pressure while allowing simple chemical release through milling or dissolution.

Artificial produced water filtration testing determines areal spurt loss and Carter's leak-off coefficients to evaluate sandface plugging over time.

Inflatable packers and hydraulic slips anchor insertable progressing cavity pumps, eliminating pump seating nipple damage in deviated wells.

A degradable actuation ring engages shifting tools to displace closure members in downhole equipment.

Coupling geomechanical and fluid flow models estimates fractured volume by accounting for geological structure properties and in-situ stress states.

Replacing tungsten-rubber composites with a solid ceramic backing maintains acoustic damping and manufacturing consistency under high borehole temperatures.

Deployable sleeves with expandable members block existing perforations, enabling selective restimulation of new clusters while reducing operational costs.

A bit-symbol mapping method using multi-pulse position modulation establishes a one-to-one correspondence between integers and pulse sequences.

Sliding sleeve valves integrate fracturing and gravel packing functions to reduce rig time and equipment wear during multi-zone operations.

Radially biased keys and a downward-facing lip create axial movement of a subsurface safety valve flow tube without hydraulic lines.

A sliding sleeve uses a labyrinth seal to reduce pressure on sealing elements during axial movement.

A steam injection apparatus uses a shifting sleeve to expose apertures for controlled steam dispersion into the wellbore.