Constructions TRIZ Cases

An equalization valve maintains pressure balance during subsea operations by allowing controlled fluid flow through a tubular string.

Segmented sliding sleeves activated by dropped balls increase fracture stages while reducing system complexity and frictional constraints.

Lifting bellows and alignment assembly adjust oilfield shaker deck position.

Segmenting a polycrystalline diamond compact into multiple smaller sintered bodies resolves center-edge temperature differences during high-pressure processing.

Fluid pressure shifts an inner sleeve to open a flow passage, allowing independent plug rotation in a single trip.

Integrating overburden stress calculations and salt creep behavior tests to predict wellbore closure timing.

Axially asymmetrical shaped cutters feature alignment structures that orient within drill bit pockets to maintain optimal back rake angles.

Inertial measurement unit sensor fusion replaces line-of-sight locating to eliminate costly visual positioning delays.

A collection tank integrates a screw conveyor with a drag chain to move drill cuttings.

Multi-sensor inspection system detects bore path intersections with underground utilities to prevent infrastructure damage.

A circulation sleeve housing moves relative to a mandrel to expose treatment ports when radial pressure is applied.

Vertical ridge structures on cutting tables absorb impact forces and dissipate heat to prevent spalling damage during subterranean drilling operations.

A resettable lock assembly enables a movable spear to grip tubulars under tension and release for repositioning within the same wellbore trip.

Replacing time-consuming laboratory analysis, this method uses resonance frequency and damping decay to enable real-time downhole fluid property monitoring.

An alignable guidance device integrates a pre-contoured tube with electromagnetic sensors to direct casing milling operations.

A downhole check valve manages fluid communication through automatic pressure differential actuation.

Acoustic transducers measure ultrasonic velocities in the interior channel of a drill collar, avoiding scattering and attenuation by drill cuttings.

Telescopic bell nipple assemblies accommodate varying blowout preventer heights and diameters, reducing fluid leakage during drilling operations.

Computer-based particle transport model adjusts drilling fluid particle size distribution to enhance cuttings removal from wellbore annulus.

Magnetic sensors detect motor shaft rotation to prevent hazardous backspin and optimize pumping efficiency.

A gas/liquid separator regulates down-hole hydrostatic pressure by controlling internal gas pressure through a back pressure valve.

A machine learning system predicts relative permeability curves using logging data inputs.

Four non-coplanar magnetic field sensors calculate variation distributions to isolate artificial structure signals from geomagnetic interference.

Multi-stage setting tool actuated by hydrostatic pressure drives sequential piston chambers to generate controlled mechanical force.

A redundant electric bus system connects multiple control modules to subsea valves using shared wiring infrastructure.

Electromagnetic steering of the jetting nozzle creates controlled mini-lateral boreholes, reducing fracture network complexity and wellbore count.

A programmable logic controller switches between operational modes to maintain optimal bottomhole pressure and prevent kicks.

A hydraulic delay toe valve controls port opening timing using fluid pressure and restrictors to enable precise wellbore injection.

Machine learning models process surface sensor segments to detect downhole events without costly physical sensors.

Optical density measurements determine water fractions to calculate oil viscosity without physical separation, eliminating time-consuming demulsification steps.

Injects known hydrocarbon concentrations into drilling mud to establish correction factors, resolving measurement precision issues caused by varying solubility.

Sealing the main wellbore allows lateral acid stimulation without intervention, reducing operational complexity.

Hydrophobic shells protect acid cores from premature reaction, enabling deeper formation penetration while preventing wellbore corrosion.

Coupling a gate valve with a flow restricting assembly allows the valve to bypass plugging from particulate matter, maintaining production rates.

Axial and pivotal movement of the rotary valve body maintains sealing contact with the flow manifold during directional drilling changes.

Orthogonalization recovers primary seismic events lost during multiple subtraction, resolving information loss that causes false geological interpretations.

A brine-dissolvable magnesium alloy valve controls downhole inflow and enables mud removal without corrosive acids.

A tubular standing valve puller latches onto an engagement pin to retrieve the valve without rotating the rod string.

A flow sub with a rotatable ball and sleeve maintains continuous drilling fluid injection through a bypass port during drill string operations.

Distributed temperature sensors detect injected fluid being drawn from the wellbore, preventing well damage caused by inadequate injection monitoring.

A valve assembly regulates fluid flow through multiple positions in a completion housing to manage pressure drops.

Numerical model estimates lateral flowrates to optimize interval control valve settings, resolving water movement complexity in multi-lateral wells.

Internal pilot rotates to align bores, preventing abrasive wear on seats during wellbore drilling operations.

A self-adjusting gas lift valve opens and closes based on pressure differentials to inject compressed gas at optimal depths.

Applies frequency-dependent attenuation corrections via Q filter estimation to resolve measurement precision limits in complex wellbore environments.

A swellable packer creates redundant sealing integrity by absorbing fluids to expand, preventing gas migration in abandoned wells without heavy rigs.