Survey TRIZ Cases

Electromagnetic relay overcomes signal loss in abandoned wells with discontinuous metal by transmitting data through subsurface formations.

A subsurface safety valve uses a lockout rod and ratchet element to mechanically retain the flow tube in an extended position.

Timestamps from a collar detector determine plunger parameters to control valve timing, optimizing lift cycles and reducing equipment damage risk.

Integrating tree components into a tubular wellhead reduces installation time and space requirements for offshore operations.

A gap sub assembly electrically isolates drill string sections using insulative wrapping between threaded connections.

A downhole fluid analysis tool employs a sensing optic with a refractive index higher than crude oil to detect gas breakout via total internal reflection.

Downhole piezoelectric sensors measure cutter displacement to compute accurate rate of penetration, resolving surface measurement inaccuracies.

Loosely mounted sleeve engages rotating blades to limit cutting depth in subterranean tubular operations.

Extending pseudo-pressure functions to distal grid cells resolves condensate blockage inaccuracies in coarse grid models.

Muon detectors measure atmospheric particle attenuation to map slope density, resolving fluid accumulation risks without intrusive sensor networks.

A degasser and gas analyzer system automates drilling fluid gas sampling through remote controller adjustments.

Machine learning models interpolate and extrapolate well log data across unlogged regions to create comprehensive formation property volumes.

A sensor element with insulated electrodes measures temperature and conductivity of external materials during cutting.

Computer system generates an injection well performance model to determine surface leak flow rates using steady-state multiphase simulation.

Continuous-flow pressure diagnostics monitor wellbore pressure at varying injection rates to analyze near-wellbore friction.

Remote optical amplifiers compensate for signal attenuation in subsea well monitoring, enabling reliable high-frequency event detection.

Optical detection of light transmission changes during controlled depressurization cycles identifies asphaltene onset pressure in formation fluids.

A lost circulation material composition forms a low permeability filter cake to bridge wellbore fractures and prevent fluid loss.

Segmenting rotating and nonrotating subs resolves drilling efficiency versus sensor reliability contradictions.

A protective fiber sheath transmits wellbore data through a cement head pass-through mechanism.

Slider updates rewards via quadratic model to resolve inconsistent numerical confidence expressions.

Adjustable filters process drilling telemetry signals alongside predetermined templates to maintain signal integrity during transmission.

A patterned dielectric layer protects work function metal from center removal during selective etching of wide gate trenches.

Independent dual rotors create mud pulse signals while clearing debris to prevent plugging during drilling operations.

A processor analyzes pressure slope data to distinguish leaks from temperature fluctuations.

Acoustic transducers generate sonoluminescence energy to stimulate hydrocarbon-bearing formations, avoiding formation damage from mechanical impact.

A movable cover protects sensitive downhole tool components from mechanical and chemical damage during drilling operations.

A dual distance measurement system tracks core sampler puck position and tube penetration depth to correlate sample zones with subterranean levels.

A pressure-regulated isolation chamber diverts multiphase fluid to measure phase-specific flow rates using volumetric expansion and impedance sensing.

A bolt-on measurement ring with integral threaded taps gathers fluid flow parameters without modifying the pipe wall.

A pressure chamber with capillary tubes measures oil height at varying pressures to determine minimum miscibility pressure.

Strain gauges mounted on positive displacement pumps detect housing deformity from pressure cycles, enabling accurate maintenance scheduling.

An expandable packer assembly uses an inner packer to inflate and expand the outer skin against wellbore walls.

A machine learning model predicts hydrocarbon well conduit leaks using reflected pressure wave data.

A least-squares reverse time migration method applies a threshold shrinkage function to update property models.

RFID-based actuators move locking components in response to surface signals, resolving the trade-off between remote automation and mechanical complexity.

Nested debris traps in the actuator screen housing reduce clogging risk while maintaining compact system complexity.

Mud actuated steering members displace laterally via hydraulic pressure to orient a rotating collar assembly.

Rotationally invariant analysis of triaxial field measurements determines target well location, eliminating the need for multiple inductive sensors.

Magnetic detection apparatus locates tool joints to resolve BOP sealing time delays.

Rotating a solid-state MEMS gyro sensor enables accurate orientation measurement in cased holes, replacing shock-susceptible mechanical gyros.

Active stabilizers generate power via borehole wall friction while variable brakes manage torque to enable reliable downhole steering.

Switching circuitry drives the piezoelectric transducer directly, eliminating transformer losses and enabling complex waveform generation.

Wireless acoustic telemetry eliminates physical cables and precise coil alignment to enable high-speed, reliable downhole data transmission.

Interactive geological surface editing with pseudo log generation.

Segmenting the measurement range via a protrusion reduces piston position uncertainty from two centimeters to one millimeter for accurate filling assurance.

A radioactive tracer system injects isotopes into lift gas streams to mark flow paths within hydrocarbon wells.

Rod string mounted sensors enable wellbore monitoring without pulling production tubing.