Drilling Rods TRIZ Cases

An adjustable bail extender lengthens rig bails to reach the V-door, reducing rigging time and safety hazards during single joint retrieval.

A gullwing pin slides within a catwalk slot to keep the foot pad stationary during vertical movement.

A downhole isolation tool combines multiple parts into a single integrated body using composite materials.

A gear assembly transmits torque between a top drive and casing running tool to manage rotational speed.

An electric heave-compensation system replaces hydraulic complexity by using motors to move a slideable frame, reducing weight and improving serviceability.

A lubricating dry film comprising polyaryletherketone and perfluoralkoxyethylene polymer coats threaded tubular components.

Segmented opposing members with profiled couplings constrain longitudinal and rotational movement, resolving stability inaccuracies in borehole surveying.

Segmented guiding structures increase flexural stiffness to reduce bending and fatigue damage in oil and gas production systems.

Longitudinal slots in a conical filter direct debris to an apex, preventing valve clogging and maintaining cement job integrity.

A rig-floor pipe lifting machine uses a concave pad fork to engage tool joints and maintain stable traction during autonomous horizontal movement.

Segmented mast subunits enable vertical reconfiguration of drilling rigs, reducing interference with existing wellhead equipment.

A closed-loop controller adjusts rotational speed using measured torque to prevent over-torque during tubular joint assembly.

A safety valve system uses a cable sealing mechanism engaging a landing nipple to maintain fluid isolation.

A dynamic sealing arrangement envelops a drill stem using elastomeric gaskets and a high-viscosity lubricant to provide internal pressure support.

Segmented guide elements and feedback control maintain precise alignment of intersecting boreholes, preventing divergence that weakens sealing walls.

Integrating buoyancy beads into the polyethylene jacket achieves zero net weight, eliminating heavy winch requirements and reducing seafloor stress.

Deflectable collet fingers enable single-section tubing retrieval, preventing oversized straddle assemblies from jamming in lubricators.

Internal fluid passages eliminate external hoses, reducing maintenance while maintaining rigidity during cable insertion.

A biased pulley assembly adjusts spacing to absorb tension spikes in well access lines during high-speed withdrawal operations.

A valve assembly uses a locking collar to secure the nut against rotation on the rod.

An elastomeric sealing assembly with recirculating lubrication reduces grease consumption and prevents armor wire damage in wireline operations.

Pre-testing determines optimal explosive weight to compress cement porosity and collapse open channels without perforating the tubular wall.

Independent hoisting devices maintain continuous tubular motion, eliminating start-stop cycles that damage strings and cause subterranean shocks.

Segmented packer rings with keyed gaps route communication lines through downhole tool mandrels without splices.

A helical rod guide rotates synchronously with hydrocarbons to centralize pump rods and reduce tubing abrasion.

A vertical ratcheting anti-rotation device uses a pivoting spring mechanism to engage angled teeth on tubular connectors.

Hydraulic walkers relocate the rig to access multiple well centers without disassembly, avoiding interference with existing wellheads.

A floating clamping device uses hydraulic cylinders and ceramic rollers to apply uniform pressure on continuous oil pipes.

An automated system selects optimal rod pumping designs by merging equipment records with well inputs to calculate weighted performance scores.

Optimized buttress threads and segmented sealing surfaces resolve pull-out failures while maintaining high sealing reliability in large-caliber pipes.

Segmented resilient inner sleeves replace worn components without discarding the outer support body, reducing casing grinding and replacement costs.

Segmented control module and clamshell packoff enable intelligent flow control without specialized tubing manufacturing.

Deepening external threads on the liner sleeve create a sealing connection that prevents annular space leakage at high pressures.

An integrated marine riser joint houses rotating control devices and blowout preventers within an outer barrel.

A rotary valve arrangement minimizes fluid leakage between planar surfaces while enabling controlled power reduction via a bypass port.

Shallow thread taper and circular root shapes reduce stress concentration to improve bending fatigue resistance in drill stem connections.

An arcuate rotary cutter slices vertical tubulars into sections, reducing dismantling time and personnel exposure in hazardous offshore environments.

Transparent housing integrates illuminating elements to display operational signals, resolving protection versus visibility contradictions.

An acid curable resin adheres to pipe walls and cures via an acid agent, extending service life.

Radial cutting fluids sever exterior cables through tubing walls, eliminating precise alignment requirements for salvage operations.

Dissimilar thread patterns on a cylindrical tandem body prevent reverse installation errors and catastrophic failures during wellbore gun string assembly.

Modules impose reverse torque on drill strings to reduce torsional vibration amplitude and prevent equipment failure.

A completion system uses retrievable balls and diverter seats to manage fluid communication within the flowbore.

A single joint elevator uses a powered door and linear actuator to clamp jaw retainers for gripping tubular segments.

Mechanical links transfer energy within the rotating body of a power tong, eliminating rotary seals and preventing hydraulic leakage during pipe gripping.

A pumping system uses a transverse pressure exchange chamber and positive displacement pump to move abrasive slurry via direct fluid contact.

A drill pipe handling device uses a guide element to define a handling space for automated pipe movement.