Survey TRIZ Cases

A perforating gun system verifies detonator electrical continuity using a surface-mounted meter and selective switches.

An elongated probe assembly with inner and outer sealing elements defines separate sample and guard flow paths to enhance fluid extraction.

A shock isolator device uses a splined key and viscous damper to attenuate axial shocks in downhole tools.

Depressurizing liquid samples into gas phase minimizes signal masking by hydrocarbons, enabling accurate in-situ optical detection of hydrogen sulfide.

A subsea connector system uses a mechanically actuated latch assembly and mandrel to establish secure connections.

Pressure balanced shock sensing tools measure strains and pressures during well perforating to prevent component damage.

A recurrent neural network model predicts missing frequency responses to extend seismic data bandwidth.

Strain gauges on drill bits calculate pressure-effect offsets to subtract hydrostatic and hydrodynamic contributions, isolating true weight on bit and torque.

Segmented annular seal assembly uses convex lips and pressure-equalizing gap to prevent drilling mud intrusion into motor housing under extreme pressure.

Sequential fracturing fluids with temporary diverting agents create dendritic fracture networks that connect natural joints, expanding the drainage area.

Passive acoustic resonators monitor signal frequency shifts to detect fluid breaches, distinguishing thermal variations from actual leaks.

External acoustic sensors monitor annulus conditions to resolve isolation issues, enabling real-time cementation assessment.

A pressure release encoding system transmits downhole inclination data using timed fluid flow restrictions.

A downhole state machine classifies vibration modes from tri-axial accelerometer data for real-time drilling control.

Physics-based decline curve models incorporate reservoir engineering principles to minimize prediction errors and reserve booking inaccuracies.

A control manifold diverts high-pressure drilling fluid to a Coriolis flowmeter, resolving pressure limitations and plugging errors.

Frame building algorithms synchronize downhole and surface systems, resolving noisy channel errors while preserving high-speed data transmission rates.

A wireless downhole feedthrough system uses near field magnetic induction to transmit signals across wellbore barriers without physical penetrations.

Segmenting flow paths via a bypass line sustains turbine power generation when the main piston restricts fluid to prevent coning.

Real-time delay calculations from reflected signals maintain imaging resolution despite harsh downhole conditions.

A downhole tool determines contaminated fluid shrinkage factors to calculate oil-based mud filtrate volume percentages in real time.

A sliding connection mechanism transfers electric power and signals between the stator and rotor of a screw drilling tool.

A pressure pulse system measures fluid depth by analyzing the decay rate of returning acoustic signals in a well casing.

Marking oriented core samples preserves directional data lost during retrieval, enabling precise plug extraction without time-consuming reorientation.

Independent wireless hydraulic power units eliminate vulnerable control lines, preventing failures and reducing operational costs.

Optoelectronic RFID devices harvest optical energy to power remote sensing operations in harsh environments without batteries.

A downhole guidance system uses surface GPS waypoints to generate a planned borepath and track tool position in real time.

Optical fiber controls segmented gun sections to reduce weight and improve reach in deviated wells.

A fracturing controller adjusts injection rates to manage proppant bridging during hydraulic treatments.

A signal processing method subtracts estimated ringdown interference from ultrasonic televiewer peak amplitudes to restore borehole wall image fidelity.

Vortex basins in a fluidic pulser generate acoustic oscillations to resolve signal attenuation and noise in downhole telemetry.

Reconstructs residual depth errors from wave equation migration time lags to update velocity models in complex areas where ray tracing fails.

Segmented flexible skins distribute mechanical stress, allowing larger expansion ratios and higher drawdown pressure differentials for efficient fluid sampling.

A downhole monitoring tool integrates sensors to detect axial tension, compression, and torque within a work string.

Segmented drill string coupling isolates lower segments during blowout preventer testing to eliminate multi-day drilling interruptions.

Ray tracing optimization matches recorded waveforms to slowness models, reducing false detections in noisy subterranean formations.

A surface steerable system calculates convergence paths using BHA and geological data to adjust drilling parameters.

A driver circuit holds a reactive acoustic source in specific energy states to generate controlled current impulses.

Liner latch couplings allow temporary hanging of the bottom hole assembly to reduce nonproductive time in unstable wellbores.

A tight solid-liquid-gas model classifies annulus materials using acoustic impedance and flexural attenuation data.

A computer-implemented process monitors pressure patterns in production tubing and annuli to detect operational anomalies.

Segmented sensor modules on drillpipe joints resolve data completeness versus complexity trade-offs by enabling comprehensive downhole monitoring.

A magnetized wellhead tubular and proximate sensor detect mechanical stress through magnetic field variations for real-time fatigue monitoring.

Temporal segmentation of capture gamma ray spectra differentiates pack material inside the well casing from formation fractures.

Optical waveguides detect cement strain and temperature deviations, allowing control systems to modify well operations before integrity failures occur.

Segmenting probes isolates pressure disturbance detection from fluid sampling, preventing phase transitions that contaminate samples.

Engineered degradable diversion agents optimize fluid flow and pressure build-up, resolving insufficient efficiency from unoptimized particle design.

An optical scanning system measures surface profiles using triangulation within confined passages.

A pressure sensor detects a signal and opens a bypass valve, reducing flow resistance in subterranean wells by creating a parallel fluid path.