Drilling Rods TRIZ Cases

Spool camming surfaces guide tubing hanger rotation to resolve wellhead alignment complexity.

A pressure equalization apparatus uses alternating bores to transmit pressure while isolating well tool chambers from surrounding fluids.

Extrusion passages remove excess softer coating material from threaded surfaces, preventing deformation and excessive make-up torque.

A turntable apparatus forms coils from scrap tubing using pivoting panels and a rotating mechanism.

A continuous wiring element spans the interface between inner and outer branch assemblies to provide uninterrupted thermal management across subsea flowline structures.

Stacked independent drive discs allow selective wear replacement while large diameter rollers grip small tubulars without interference.

Replacing split cam rings with a solid design prevents structural weakness while tapered surfaces drive a slip ring to grip varying tubular sizes securely.

Extending the rod elevator body axially positions the latching mechanism away from the horsehead, eliminating contact interference during sucker rod removal.

Self-aligning connector assemblies integrate directly into manifold modules, eliminating external lifting equipment for precise positioning.

Shear mechanism separates stuck tool sections via tension, enabling retrieval without rotation.

A stepped pitch line thread form creates wide radial contact between pin and box stab flanks to enhance compressive capacity.

Threaded element with spherical protrusions converts rotational movement into axial force for tubular boom extension.

Gripping members frictionally engage the production conduit to transfer coiled tubing weight, preventing parting in deep wells.

A conductive encapsulation layer on a tubing encapsulated conductor creates a low-resistance electrical path between the metal sheath and surrounding tubing.

External welding of casing units eliminates deep well assembly risks while hydraulic clamps ensure precise alignment during descent.

A wellbore junction assembly uses a deflector and flow control device to isolate sections during tubular string installation.

Threaded adjustment mechanisms expand segmented bow elements to maintain casing position against varying borehole diameters.

Slack take-up device adjusts feed cable tension to prevent rotary head tilting during drilling operations.

Nested tubular structures enable rapid removal of severed wellbores from blowout preventers, preventing damage during lateral rig movements.

Upsetting drill pipe material creates an integral wear pad that eliminates slip and reduces maintenance frequency.

A mechanical mud bucket uses pivotally attached shell members and a locking component to contain drilling fluid during work string extraction.

A unitary cable guard secures MLE cables to ESP systems using pre-existing flange bolts and annular channels.

A spring-loaded moveable seal in a safety joint balances trapped wellbore fluid pressure, preventing hydraulic lock and preserving thread integrity.

An incompressible barrier sleeve shields the mounting location from cement debris, ensuring a clean sealed connection for expandable liners.

Split hanger and seal assembly restrict MI cable thermal expansion while preventing formation fluid ingress into coiled tubing.

A solid lubricating coating uses a polymer matrix to release oil under pressure, providing dry surface lubrication for pipe connections.

Rotating hollow cylinder reduces sliding friction against well walls, lowering torque requirements and preventing equipment damage during deep drilling.

A slip and cone arrangement uses a central interconnection feature to enhance radial travel and retention.

An articulating iron skid lowers heavy fracturing components to ground level using hydraulic cylinders.

Segmented drill collar uses heavy weighting material to enable shearing by blowout preventer rams.

A core tube handling device uses a slew arm and pivot arm to grip and lift heavy drill rods.

Curved chain guide constrains non-gripping loop sections to prevent lateral oscillations, avoiding bearing load increases from higher tension.

A shunt assembly with a bypass tube directs fluid flow around lateral borehole openings in main production tubulars.

Variable thread widths reduce shear stress in self-locking tubular connections, preventing thread damage under alternating loads.

Hydraulic wedges pivot gripper elements to handle heavy drill strings, reducing manual injury risks.

Splice assembly connects coiled tubing segments while enabling electrical continuity through integrated terminals.

Segmented cold water pipes with removable skins allow quick assembly, reducing deployment time and operational costs in OTEC systems.

Rotary bearing stabilizer captures kinetic energy from drill string vibrations to generate continuous electrical power, eliminating battery maintenance needs.

A passive tubular connection guide uses pivotable jaws and a biasing mechanism to align pipe ends without external power.

Internal ball check valve prevents drilling fluid backflow near the unit when the drill string disconnects.

Rotating gear drives radially movable jaws via cam surfaces to resolve uneven torque distribution and deformation risks in high-torque tubular connections.

A hang-off sub suspends a sucker-rod string within a blowout preventer bore using complementary surfaces.

A wellhead housing bore aligns inner tubular axes with the installation stack.

An adjustable coupler links manifold sections to a support frame, modifying compression and tension forces to shift the system natural frequency.

A top drive mast assembly enables precise tubing alignment and insertion within compact wellbore environments.

A blowout preventer cart uses a perpendicular back and platform to secure equipment during transit.

Removable nozzles create asymmetric pressure drops to reject water and ensure even oil inflow across heterogeneous reservoir sections.

A subsea overload release system uses a collapsible reservoir to disengage connection members under excessive tensile stress.