Drilling Rods TRIZ Cases

A movable tong assembly adjusts vertical spacing between power and backup tongs via a carriage-mounted trolley.

A drill string tool uses coaxial cables with annular dielectric segments to transmit sensor data from a rotating electronics package.

A segmented lifting elevator uses gripping slips to handle large diameter pipes without pre-installed eyes.

Automated drilling system uses rig sensors to command equipment, reducing human intervention and preventing safety hazards.

Optimized Cr and Mo levels in martensitic steel prevent hydrogen embrittlement while maintaining yield strength.

Expandable liner tiebacks replace damaged polished bore receptacles with resilient metal-to-metal seals that withstand downhole debris and thermal loads.

An adjustable gripping assembly transmits torque and fluid across varying diameters, eliminating multiple specialized tools.

Explosive charges propel plates into channels to seal leaks, resolving reliability and complexity trade-offs.

A Christmas tree assembly uses a tubular stinger to extend fluid passages through a side-entry bore, enabling direct coiled tubing access.

Radial engagement of shifting hubs eliminates axial gear displacement, reducing friction and structural mass while maintaining mode switching capability.

Radially biased dogs displace into a recess to engage a sleeve, preventing unintended actuation by passing devices in downhole tools.

Segmented plastic drip mats with welded footbridges and slit recesses drain drilling mud for easy cleaning while maintaining structural durability.

A torque sleeve coupled to the milling body resists high torsional loads from uneven twisting, preventing deformation in extended reach wells.

Segmented scalloped threads manage excess pressure to prevent galling and maintain seal integrity.

Rotating the mandrel expands the load ring against internal profiles, maintaining sealing integrity under pressure variations.

A drilling device uses distance measuring means to detect actual adjustment distance for precise screwing movement control.

A hydraulic driving system for core drilling rigs achieves stepless speed control through an outer rotor and inner stator clearance fit.

Alignment device enables lateral movement of upper clamp assembly to correct tubular misalignment and stop torque application when eccentricity exceeds limits.

ROV banding system attaches flow lines to rigid structures using deployable jaws, preventing damage where human divers cannot operate.

A bottom-up hydraulic expansion process drives an upward-moving cone to radially expand a liner pipe within a wellbore.

Time-controlled dissolvable plugs isolate well zones during acid stimulation without mechanical deployment.

Oriented zinc phosphate layers on Zn-Ni plated oil well pipe threads resolve galling during fastening.

A hybrid rotary steerable system combines exterior steering pads with internal shaft pistons for directional control.

A spring biases a safety ring to retain sucker rod ends, preventing accidental dislodgment caused by gravity reliance.

A low-friction device wraps around drill pipes to reduce mechanical wear during rotation.

Floating feed-thru components align subsea wellhead frames, eliminating custom fitting and reducing manufacturing time.

An inner Kelly bar uses a motorized rotary feedthrough to counter-rotate supply lines, preventing winding during deep drilling operations.

An intelligent powerslip uses sensor feedback to confirm weight transfer before releasing handling tools, preventing casing slips.

A blowout recovery valve uses high-pressure air to create suction force for secure attachment.

A drill rod support uses a self-centering socket with radially arranged jaws to securely hold rods of varying diameters.

A tapered tension joint with roller support resists bending and shear loads on floating platforms.

Embedding transducers within the cast material of a stator simplifies manufacturing and resolves complexity trade-offs for downhole monitoring.

Crosslinked polyethylene liners reinforce well tubing bore surfaces, reducing maintenance costs from abrasion and wax segregation in paraffinic oil production.

Separate rod feeder and swing device execute handling tasks simultaneously, reducing time required for assembling and disassembling drill strings.

A scrolled polymer liner reduces friction and prevents gas diffusion to extend tubular lifespan in abrasive wells.

A downhole apparatus uses non-concentric pressure deformable chambers to expand radially and support wellbore walls.

Dual port packer routes ESP power terminations uphole, shielding them from hydrogen sulfide corrosion in wellbore fluids.

Field-controlled viscosity changes in a rheological fluid lock enable torque transfer to a stuck housing during directional drilling operations.

Helical blade stabilizers with line-of-sight faces reduce pressure losses and vibrations while maintaining high wrap angle support for drill string stability.

Segmented annular zones isolate distinct fluid properties along the wellbore to prevent formation collapse during deep drilling operations.

Segmented flow rings and shields resolve the contradiction between filtration effectiveness and inter-section fluid flow, enhancing gravel packing efficiency.

A drill pipe connecting apparatus uses positive-locking elements to form a rotationally fixed connection between inner and outer tubes.

Pre-assembled modular connectors eliminate time-consuming splicing operations, enabling faster installation of control components on tubing strings.

A downhole tubular disconnect assembly uses a dart to ignite a cutting charge, generating jets that sever drill string components.

A degradable plug seals a buoyancy chamber to lower casing drag in deviated wells, then dissolves to restore full bore access.

Expandable flexible pipe guide stabilizes tubular members during transfer, reducing manual labor risks while maintaining operational efficiency.

A trailer-mounted pump system uses solar panels and a flexible pipe reel to service wellbores.

A multifunction handler uses a robotic arm to automate drilling element handling, reducing human intervention and operational risks.

A protection sleeve assembly with a lock mechanism secures to a seal bore on a work string.