Survey TRIZ Cases

An indexing mechanism tracks plug drops in a longitudinal bore to catch plugs at predetermined positions, eliminating the need for multiple ball sizes.

A kick detection system monitors bulk density changes in subterranean formations using logging while drilling data to identify wellbore influx.

Determines an interference modulus by comparing base and current productivity indices, quantifying pressure interference among wells.

Automated optical sensing detects tool joint positions relative to blowout preventers to protect seals from damage caused by rapid diameter changes.

A shock-tolerant electronics package uses inclined chassis surfaces to expand radially and form a near-monolithic structure.

A probabilistic stochastic method determines shale smear presence along geological fault planes to identify hydrocarbon leak points.

Distributed sensors along the drill string provide real-time physical condition data to control units.

Conical x-ray beams illuminate well casings to map density variations and detect micro-annuli that ultrasonic methods miss.

An insulated electrically conductive member extends voltage measurement points along a tubing string to boost signal strength in electromagnetic telemetry.

A tubular with a deformable member applies focused stress to borehole walls, inducing transverse fractures that increase penetration depth in horizontal wells.

Recessed thermal conductivity detectors determine transient inflow profiles across multiple layers by detecting Joule-Thomson and adiabatic cooling effects.

Pump lasers amplify backscatter signals via Brillouin interactions, resolving strain sensitivity issues in single-end fiber sensing.

Permanently installed distributed sensors detect pipe defects via electromagnetic induction, eliminating wireline inspection costs and production disruption.

Dynamic parameter adjustment of propane and carbon dioxide mixtures overcomes suboptimal gas composition limits in enhanced oil recovery.

Real-time generation of continuous PVT phase envelope logs via downhole spectroscopy and surface analysis eliminates time-consuming discontinuous measurements.

Sensing components detect light from target markings to calculate angular offsets between drilling tools.

A retrofitted printed circuit card assembly emulates electromagnetic fields to enable dual-use locator training.

Alternating oil recharge with waterflooding reduces residual saturation in mature reservoirs, enabling higher productivity through periodic action.

Hydraulic pistons extend a pad within a variable build motor to adjust the wellbore curvature without pulling the drill string from the hole.

PID controller manages axial force and torque during make-up to prevent stalling and reduce rig time.

A downhole sensor package measures torque, weight on bit, and revolutions per minute to estimate rock strength.

Radially biased fins engage landing rings to align downhole tools, reducing insertion force and ensuring stable positioning.

Motor-controlled rotational valve directs actuating fluid to steering pads in rotary steerable systems.

Fitting desorption data with objective functions corrects acquisition time to resolve accuracy issues in shale gas estimation.

A downhole sampling tool measures formation fluid saturation pressure using heating elements and temperature sensors to compute real-time thresholds.

A well design system analyzes parameters to trigger graphical alerts for immediate correction.

A flasked pressure housing system isolates downhole electronics using compliant end pieces and annular standoffs to prevent thermal degradation.

Fluid sampling tool identifies asphaltenes downhole using sensors to construct onset pressure maps, resolving time delays from surface laboratory analysis.

Thermal neutron absorbing tagging material enables MEMS location detection via backscatter differences during logging operations.

Oriented connections link tubular strings to a connector, enabling selective fluid access while reducing installation stresses on deflected sections.

Encoded pulse sequences improve reflection detection accuracy by distinguishing first echoes from ring-down noise in downhole acoustic measurements.

A choke control system uses a Cv curve to determine optimal position for precise wellbore pressure regulation.

A pressure maintenance device regulates fluid flow through a valve and restrictor to stabilize wellbore annuli.

Buoyancy measurement determines core sample volume within sealed pressure vessels, enabling real-time coring decisions before laboratory transport.

A fully-rotating rotary steerable system uses dynamic geo-stationary actuation to control drill bit direction without stationary housings.

Monitoring surface deformation identifies subsurface leak paths, allowing targeted injection of sealing compounds to prevent carbon dioxide contamination.

A gas extractor and analyzer system detects non-formation gas in drilling fluid to determine downhole conditions.

Eddy current sensors measure downhole tool motion without mechanical contact, enabling reliable position tracking under extreme pressure and temperature.

Open loop cooling system manages downhole tool temperatures using a pressurized refrigerant container and heat exchanger.

A sacrificial wellhead adapter locks a test plug to the permanent tubing spool.

A slurry analysis system uses a flow restriction assembly to enable optical particle detection without dilution.

A geomechanics nudge module adjusts well trajectories using stability derivatives to refine drilling paths.

Integrates a directional controller with MEMS accelerometers and solid-state magnetometers for real-time downhole measurement.

A pre-installed wellbore conduit delivers kill weight fluid directly to the bottom of the wellbore.

A deployment device uses a latching clamp to secure downhole tool fishing necks for controlled raising and lowering.

Fluted elastomeric lobes absorb mechanical shocks and vibrations to protect sensitive electronics.

Varying marking agent concentration creates unique signatures that estimate drill cutting depth without complex signature correlation.

Analytical model quantifies fluid conductivity of cement in the well annulus to correct pressure transient test results for behind-casing flow errors.

Integrated proximity sensor assemblies detect rotating shaft position through device housing walls using non-contact electromagnetic sensing.

A landing string system uses mechanical sensors to measure strain and a data-storage device to record conditions.