Drilling Rods TRIZ Cases

Segmented casing guides with lower stiffness navigate curved wellbores by distributing deflection forces and reducing compressive stress on the formation.

Segmented connecting rods with flexible mid-sections reduce side loads and bending moments in downhole motors, improving reliability under high torque.

Spring-biased pivotable gates in this shoulder elevator automatically close around pipe segments, reducing component count and operational steps.

A rotating threaded collar couples pin and box assemblies on auxiliary line segments to enable rapid mechanical joining without welding.

Replacing mechanical ball pathways with a dissolvable retaining member allows inline actuation through obstructed drill strings.

Frangible collar segments break during expansion, allowing bow springs to accommodate radial growth and reduce interference forces.

Asymmetric riser interface placement with adjustable tethers enables jack-up rig intervention without specialized semi-submersibles.

A reelable conduit drives a rotationally disconnected treatment head to jet fluid against wellbore surfaces.

A pivotable rod box transitions between stowed and operational positions to increase drill rod storage on horizontal directional drilling machines.

A connector system secures a downhole power charge to prevent misalignment with the igniter, ensuring reliable detonation.

Segmenting the isolation system into a permanent mandrel and removable stack enables retrieval without killing the well, reducing labor costs.

Shear pins in the riser connection fail at a set load to prevent catastrophic equipment damage and keep the lower section suspended.

A collet setting kit connects a plug to a tool via automatic engagement.

Replacing slow mechanical connections, this pyrotechnic system shears pins to rapidly move the mandrel and release downhole tools safely.

Sloping teeth on rotary drive rings engage mandrel hanger flutes to rotate casing strings, preventing sticking and ensuring proper cement distribution.

Interweaving continuous glass filaments with degradable thermoplastic filaments eliminates costly manual removal operations in oil and gas wells.

A universal pump seating nipple anchors downhole pumps using integrated axial and rotational force devices.

Direct pump module coupling to riser segments eliminates intermediate flexible piping, preventing collapse from differential pressure.

A concentric valve uses a bypass passage to manage fluid circulation in offshore drilling operations.

Converts distributed acoustic sensing strain data into equivalent geophone particle velocity measurements.

Composite fluoropolymer coatings on oil well pipes resist asphaltene deposition and corrosion, solving the trade-off between cost and reliability.

Ramp rotation lifts drag chain pan for transport, eliminating external handling equipment needs.

Interpenetrating screws in a three-element coaxial twister rotate casing tubes, eliminating manual handling risks at height.

Cable transmission isolates hydraulic cylinders from seawater, reducing wire wear and maintenance in low setback configurations.

Tetrafluoroethylene copolymer pipe maintains yield strength under high pressure, resolving thermal resistance trade-offs in deep well drilling.

A drill head driving system uses a coiled strip tube to transfer pressing forces down the wellbore.

Melamine cyanurate-based lubricating coating prevents shoulder portion yield under high torque while maintaining gastightness without heavy metal grease.

A perforated tubing section uses a movable sleeve to control fluid communication between an annulus and the throughbore.

Redundant glass-metal or PEEK-metal seals prevent hydrocarbon leakage along control lines in high-pressure subsea environments.

Releasable connectors enable selective engagement of independent winches in a hoisting system, reducing downtime and energy consumption during maintenance.

A collapsible compliant guide acts as a subsea lubricator to deploy tool strings.

Longitudinal biasing on bow springs enhances centralization force for accurate cement evaluation in deviated wells.

Sensor-based interlock disables drawworks when segment hoist position triggers safety criteria.

A spindle fluid conveyor with a narrowed diameter connects the conduit to the drill bit for reliable cooling delivery.

A rod clamp assembly uses a pivotally connected handle and lock bolt to secure semi-cylindrical members around a polished rod.

A coiled tubing lifting frame positions an injector relative to a support structure to deploy tubing in offshore risers.

A delivery chassis liquifies solid phase transformation material via exothermic reaction to deploy a sealing agent into openhole intervals.

Replacing metallic screens with semiconductive filler and sheath materials eliminates fatigue damage in dynamic zones while draining capacitive currents.

Dynamic seals wipe across conductive members in a downhole wet connector to prevent well fluid ingress and ensure reliable reversible connections.

An annular fluid bypass channels pressure to actuate a lower pin, eliminating the need for a lower deck during riser tensioner installation.

Pressure balancing pistons counteract end cap effects on tension bolts while seawater cylinders dampen recoiling motion during emergency disconnection.

Assembles fiberglass sucker rod sections using abrasive surface treatment and adhesive bonding to secure metallic end fittings.

A wellbore seal assembly uses actuated blocks with cavities to create a dynamic seal around the pipe.

Backup forcing mechanism pushes lower slip cone from under slips when ratchet lock fails, preventing stuck tools in wellbores.

Extracting the release mechanism eliminates housing gaps that cause premature un-latching during reciprocating motion.

Segmented bearing assemblies reduce device complexity while improving reliability and positioning accuracy in harsh subsurface environments.

A universal riser joint uses a flow diverter manifold to route drilling fluid between return lines and pumps.

Segmenting the outer pressure sleeve from the inner telescopic sleeve reduces material weight and extends fatigue life by isolating structural loads.

Segmented U-shaped frameworks reduce structural weight and space occupation while maintaining stability for reliable offshore drilling operations.