Drilling Rods TRIZ Cases

A hydraulic wrench uses a pivotally attached torque arm to rotate seized well head flanges.

Spherical shoulder and socket profiles compensate for drill string misalignment, reducing friction and wear on sealing elements within rotating control devices.

Facing retaining structures spaced along the hollow body trap modular members, resisting high upward forces that risk structural failure.

A releasable locking assembly uses a movable support member to drive and unsupport a non-concentric locking segment within a housing.

Lobes compress as tubulars move, increasing retention force and preventing accidental release during subterranean operations.

Modular jaw inserts increase frictional contact to prevent slippage when gripping and rotating threaded tubular members.

Segmented active stabilizer with dynamic contact points resolves trade-off between high build-up rate and drilling trajectory smoothness.

Modular skate plate design reduces maintenance downtime by allowing independent replacement of worn rollers and plates.

Nested connectors and one-way valves separate nitrogen from motor water, preventing deterioration and well choking.

Segmented chambers with dynamic flow paths adjust power output for heavy hook-loads, reducing rig footprint and pump requirements.

Axially aligned circumferential conductive bands enable continuous electrical contact without rotational orientation.

Actuated sleeve positioning exposes seals for replacement without cutting the wireline, eliminating costly stack disassembly.

Nested locking jaws adapt to pipe dimensions, eliminating wear from uncertain connections.

Dual spool wirelines suspend a second tool string while the first performs intervention work, eliminating retrieval downtime between operations.

Compressed elastomeric pack-off prevents acid exposure during perforation.

Shattering a brittle glass obturator seat restores full tubing inner diameter, eliminating manual filling restrictions and reducing operational costs.

Segmented radial and axial bearings absorb high torsional loads to maintain steering precision in complex hydrocarbon reservoirs.

Resistance increasing sleeve modifies borehole wall flow dynamics to manage gas migration in oil production wells.

A well closure device enables electric submersible pump deployment through existing tubing without lifting the Christmas tree.

A drilling centralizer uses a separate inner tube and low friction materials to minimize rotational resistance.

A dual-valve assembly prevents premature fluid release in low pressure wells by combining a spot valve with a high-capacity backpressure valve.

A one-trip expansion tool forms a lower end recess on a tubular using two swages of different dimensions.

Pivoting annular hammer aligns with anvil to prevent premature wear during high-torque impacts.

Segmented storage racks and dual elevators handle heavy risers, cutting assembly time.

A deadline compensator assembly transitions between positions to remove slack in the drilling line.

A planetary roller screw mechanism enables precise telescoping and high traction force within a compact downhole robot structure.

A tubular radio frequency antenna system delivers dielectric heating to mobilize heavy hydrocarbon resources within a wellbore.

Fluid erosion of the interconnection arrangement enables reliable whipstock release while reducing torque requirements and preventing premature disconnection.

A riser gas handling system segments components relative to the tension ring for compact operation.

Metallic seal isolates downhole cable insulating portion from rapid gas decompression damage.

Shearable tubular sections use specialized alloys to ensure reliable blowout preventer severance in high-pressure wells.

Merges pipe handler troughs with power swivels to eliminate separate equipment setups and reduce manual handling hazards.

A coil spring maintains constant pressure on packing members to preserve the seal, eliminating frequent manual servicing required by conventional threaded caps.

Radial landing pads maintain consistent internal diameter while securing tubing in the wellbore.

A double abutment threaded connection uses maximum radial interference to create a secure metal-to-metal seal between tubular components.

Elastic deformation of the restricted dimension portion removes wellbore restrictions after tool actuation.

Removable flange decouples gear shaft from tong plate to isolate structural loads.

Selective positioning of dual load carriers enables simultaneous drilling and standbuilding, reducing downtime when one hoisting system requires maintenance.

A drilling stabilizer tool holds activation balls in hollow compartments and releases them via gate valves to engage downhole seats.

Electronic data processing controls an automatic retrieval mechanism to reduce parts handling time during deep drilling operations.

High dog-leg severity wellbores reduce drilling costs and material usage while maintaining reservoir drainage coverage.

An asymmetric thread form reduces interlaminar shear failure in tubular composites by orienting axial loads radially, doubling load capacity.

Integrated locking mechanism secures tubular sliding shroud over shunt tubes, eliminating separate protection steps and reducing installation time.

A downhole milling tool uses radially movable cutting blocks and blades to mill inner and outer casing strings simultaneously.

A positionable carriage assembly uses a hydraulic cylinder to drive a linear rack and pinion mechanism for synchronized movement of carriage arms.

A liner hanger deployment system connects the liner to a tieback casing string for single trip installation.

Encirclement bands with apertures attach to cylindrical jacks via handles, providing secure temporary mounting and accessory storage.