Drilling Rods TRIZ Cases

Jointed holding elements center the rotating rod to prevent lateral deflection in hard ground.

A movable beam couples top drives to traveling blocks via remote actuation, eliminating manual pin removal.

A flexible liner expands radially to conform to wellbore sidewalls and fractures, forming a physical barrier against fluid loss.

A hoop winding method applies tensile force and radial pressure to metal tubes using distinct enclosures for independent stress control.

A coupling mechanism links a speed lever to a rotation lever position locking element that blocks lever movement to prevent undesired high speed rotation.

A downhole rotational lock mechanism transfers torque between gears via a ball-end screw and helical cam groove.

A casing hanger fluid port provides direct access to the outer annulus for reverse circulation cementing operations.

Segmented blowout preventers handle shallow and deep reservoir pressures, reducing equipment complexity.

Segmenting flow lines with packers isolates hydrate plugs, enabling targeted depressurization without full system shutdown.

A guide and protection bushing assembly centralizes component strings during wellbore transitions.

Hydraulic cylinders tilt the V-shaped roller frame to discharge pipe segments laterally, eliminating manual lifting and crane operations.

A slippage sensor detects lateral displacement of a back-up tong to disable power tong rotation.

A releasable tubing connector couples upper and lower coiled tubing sections to suspend a downhole pump assembly within the wellbore.

Limited slip differentials apply corrective torque to independent chains, preventing uncontrolled slipping and uneven traction in coiled tubing injectors.

A socket driver with a radial notched profile mates with tandem sub slots to rotate and thread perforating gun barrels.

Trimming metal strip ends with specific bias angles creates overlapping weld zones that reduce crack initiation probability at strip-to-strip joints.

A stop collar secures tubulars using a sleeve and finger interference-fit mechanism.

Bearings on elongated casing ribs reduce friction during running, preventing stuck casing in complex well geometries.

A telescopic riser section actuator applies downward tensile force to maintain structural integrity during vessel heave movements.

A hybrid thread tubular joint combines distinct material portions to provide structural strength and sealing contact within a single downhole connection.

A powered lifting mechanism actuates a pivotable clamping bar to extract fence posts without manual torque or complex release mechanisms.

A pressure reducing valve connects a low-pressure accumulator to the shear ram piston.

A rotating ring in the electromechanical joint decouples torsional stiffness from twisting motion, enabling reliable connection through coiled tubing.

A blower assembly generates a forced pneumatic stream to transport low bulk density fibers through a conduit to a blender assembly.

An asymmetric flank thread profile with a dope-free coating resolves the trade-off between connection strength and thread damage risk.

A downhole sampling tool uses a swivel to maintain a stationary body while the drill pipe rotates.

Segmented valves in a fracturing flow system direct pressurized fluid to well trees, reducing piping complexity and setup time.

A gripper integrates gripping and spinning functions via a differential coupling means driven by a single input shaft.

Helical wicker arrangement measures spacing along a curved path to minimize backlash and prevent slippage in downhole drilling tools.

A seal replacement arm actuates packer elements within a subsea stripper to enable remote maintenance operations.

A nested collar connector secures tubular members using a load ring and locking mechanism.

A segmented stabbing guide clamps around casing collars to provide a controlled pathway for gripper insertion.

Composite Belleville springs with asymmetric curvature achieve self-centering, eliminating corrosion and reducing equipment size in subsea applications.

Tapered surfaces and screw threads wedge a lock ring between a wear sleeve and shaft, preventing relative movement that causes fretting damage.

Segmented mandrels and grooved shells align automatically, eliminating assembly errors while boosting torsional strength.

Segmented movable centering contour resolves positioning precision versus structure complexity trade-offs in tong systems.

Segmented casing strings use air chambers for buoyancy and internal tubes to circulate mud, preventing formation fractures during horizontal well deployment.

A radial drilling system creates boreholes from vertical wells using a downhole milling tool.

Segmented tubing sections utilize an expansion joint to absorb dynamic length variations during deployment, ensuring accurate liner hanger landing.

A redundant anchor activation system uses a segmented piston and shear element to release the anchor via multiple independent force paths.

An integrated reservoir and sump pump maintain cuttings in suspension, preventing axial blending of samples for accurate geological analysis.

A multi-function sub integrates telescoping members and sensing gages to measure torque, tension, and rotation during casing operations.

Radially expanding braided conductors and non-ferromagnetic coatings reduce counter electromotive force and improve signal transmission in wired drill pipes.

Radially deflectable insert sleeve fingers expand during swaging to form a recess shoe.

A drilling rig handling device uses a rotating arm to manipulate drill rods along the mast.