Survey TRIZ Cases

Valve-induced fluid hammer creates acoustic waves that travel through the wellbore annulus, allowing precise depth correlation without mechanical contact.

A multi-head Convolutional Neural Network processes 3D seismic data to estimate rock properties away from drilled wells.

Gyroscopic sensors replace magnetic measurements to eliminate interference, enabling accurate near-bit azimuth data for reliable trajectory management.

A magnetically coupled position sensor uses permeable material to increase flux density between aligned magnet assemblies.

A downhole fluid phase sensor measures saturation pressure by heating or cooling formation fluid in the flowline.

A flowmeter adjusts the speed of sound parameter to determine phase fractions in flowing fluids.

Dual protective layers shield Zylon fibers from corrosive downhole gases and fluids, maintaining tensile strength under high pressure.

A sensor node system uses magnetic induction to exchange signals and establish communication links within rock formations.

A steering assembly maintains a geostationary position during drill head rotation to enable precise directional control.

A downhole time domain reflectometry system uses optical components to detect characteristic impedance variations in wellbores.

Fiber-optic cables with distributed temperature, strain, and acoustic sensing locate loss zones early to reduce delays and costs.

A managed pressure drilling system regulates surface back pressure using a choke valve to control mud flow and manage influx events.

A spectral ratio log system extracts gas presence data from seismic velocity models.

A flow line with inlet and outlet ports circulates reservoir fluid within the formation to collect samples against pressure.

Embedded dielectric rods in a conformal coating bend signals around metallic obstructions, reducing attenuation and maximizing transmission range.

A downhole valve integrates an optical fiber sensing arrangement for real-time data acquisition within the borehole.

Cauchy-Hilbert filtering and Gaussian-Laplace operators separate overlapping reflections for accurate cement bonding assessment.

Segmented cooling fluid paths isolate heat dissipation across individual stator stages, preventing thermal gradients and winding failure in submersible pumps.

Merged switching circuits reduce cable complexity while enabling independent valve control and sensor data transmission.

An add-on integrated computational element modifies electromagnetic radiation to improve optical sensor measurement accuracy.

An untethered well object uses a radially expandable element to secure itself at targeted downhole locations.

A magnetic field indicator detects the position of a downhole apparatus within a pressure cavity.

Bellows maintain lubricant pressure above ambient wellbore levels, reducing friction and enabling smooth gravity-driven descent.

A downhole gas-liquid synergic depressurization system regulates water discharge to prevent large-area depletion during natural gas hydrate exploitation.

Modulating high-frequency measurements onto low-frequency carriers reduces signal attenuation and device complexity.

A perforating gun brake uses well fluid pressure to extend arms and fix the tool in place.

A downhole device uses a recessed cavity with a shock-absorber to secure an electrical module against mechanical shock and vibration.

Magnetic coupling enables downhole orientation units to rotate freely on wellbore bodies without mechanical locking mechanisms.

A descaling model predicts metal loss from corrosion deposits to calculate tubular burst pressure, enabling safe maintenance decisions.

Downhole sensors detect slugging to trigger controller adjustments that stabilize pressure swings and reduce equipment upset in horizontal wells.

A motion sensor detects conduit vibration from fluid flow modulation signals, filtering mud pump noise to improve signal-to-noise ratio.

Rotating magnets induce a dynamic magnetic hot spot on nearby well casing, enabling reliable passive ranging without disrupting production continuity.

Segmented solenoid valve design protects against debris damage in HPHT environments while simplifying maintenance through easy component replacement.

Computes an initial accurate pressure distribution across heterogeneous permeability and porosity to reduce convergence problems and computational costs.

Segmented mandrels allow periodic device upgrades via side pockets, resolving obsolescence risks in extreme wellbore environments.

Computes dipole differential energy from acoustic signals to identify geological formation characteristics.

An optical wireless rotary joint transmits data between rotating and stationary components using light signals.

Azimuthally displaced probes segment the borehole to quantify orthogonal horizontal permeability components, resolving directional anisotropy from skin effects.

Segmented annular drainage layers reduce delivery delays and specialized facility needs by allowing local modular construction of precision well screens.

A wellhead detection mechanism integrates magnetic flux leakage and electromagnetic acoustic transducer probes to inspect drill pipes during lifting operations.

A downhole chemical injection pump powered by an electric submersible pump motor delivers inhibitors via a capillary tube.

A drilling measurement processing system compares suspended and active drilling data using a Kalman filter to correct noise in real-time logs.

Preloaded sensors inside the drill bit body measure weight and torque via tensile forces, resolving complexity trade-offs in real-time monitoring.

Adjustable sensor mounts position acoustic transducers radially within wellbore casing to separate reverberation noise from formation signals.

A strain sensor uses a cured flexible filler to couple optical fiber strain within a protective encasing.

A downhole driving unit uses a spring member to assemble the hydraulic motor housing within a wheel assembly.

An automated spacing device adjusts sucker rod depth using hydraulic or pneumatic actuators.

A tubular piezoelectric sensor housed in a sleeve with a liquid gap transmits dynamic pressure signals to the sensing element.