Drilling Rods TRIZ Cases

A pipe gripping assembly uses a motor-driven power screw to move slips along a tapered mandrel for secure pipe handling.

Rotating the outer ring pivots jaws via rollers to tighten or loosen connections, eliminating manual power disconnection steps.

Trigger mechanism manages gripper block interactions with varying diameter profiles in rotating jointed pipe injectors to reduce friction and buckling risks.

Circumferential stress reliefs absorb side loads while flow channels prevent hydraulic locking in deviated wellbores.

An EX-certified chamber isolates electrical components in a robotic clamping system, reducing explosion risks during subterranean tubular handling.

Elastomeric blowout preventers seal around irregular ESP strings during telescoping motion, eliminating kill fluids and preventing formation damage.

A resiliently deformable latch retains a downhole swivel joint in its unactivated configuration, preventing unintended activation during high wellbore drag.

Motor-driven gear nut assembly rotates ring gears to automatically adjust wrench jaws, eliminating manual pipe diameter changes.

A sliding sleeve valve establishes fluid communication between intersecting bores to manage flow paths in hydraulic fracturing systems.

A milling and suction apparatus clears wellbore obstructions using a venturi component to create underbalanced pressure.

Incomplete threads with reduced height allow radial box contraction, amplifying contact interfacial pressure to resolve external pressure sealing trade-offs.

A floating apparatus uses a bonding material to create a resilient seal between the valve housing and cementitious material.

Analyzing instantaneous frequency, phase, and amplitude characterizes material densities at interfaces to identify fluid flow paths in complex wellbores.

A subsea manifold module uses a marine riser as both running and retrieval tool for relocation.

Elastic mechanisms return a manual brake handle to a set point for precise control of a rotating primary mover.

Slanted wellhead configuration reduces trajectory deviation build rate, enabling efficient horizontal drilling at shallow sub-bottom depths.

Self-aligning drive coupling maintains uninterrupted fluid flow and reduces damage risk by isolating the gearbox from drilling fluid contamination.

Segmented pivot points along a transport rail enable lateral locking and stable vertical alignment of heavy blowout preventers near the wellhead.

A polyurethane-polyurea coating reduces friction on threaded tubular components.

Composite wear tiles with non-planar interfaces bond to downhole stabilizers using self-lubricating braze alloys to resist abrasive drilling mud.

Gravity vice grips pile during retraction to stabilize foundation without visible external support structures.

A downhole tubular wall defines an isolated fluid passageway connected to control lines for targeted communication.

Rotating seal sub connects tree to tubing hanger without precise alignment, eliminating expensive orientation tools.

A sleeve of expandable metal positioned within a control line tubular expands radially upon contact with reactive fluids to form an internal seal.

Transverse pressure fixing enables deep curved bore production in drill strings without shallow depth limits.

Retractable latches in a subsea stab connector resolve unpredictable insertion forces while maintaining secure high-pressure seals.

A degradable slip element substrate anchors in wells then breaks down upon fluid exposure.

A riser joint uses a piston and fluid line to regulate extension speed through controlled hydraulic flow.

A coiled heating cable increases surface area contact within a wellbore production string, reducing rapid heat dissipation and deposit formation.

A compliant mini-riser spans between an Intervention Y fitting and a servicing deck to enable coiled tubing operations.

Segment coiled tubing reels to reduce crane weight while injecting tubewire via preliminary actions.

Brake assembly constrains jaw carrier rotation to guide active jaws radially, eliminating lateral forces that waste clamping energy during tubular engagement.

Laser-induced graphene coatings block hydrogen ions in wellbores, extending fiber lifespan and enabling integrated sensors.

A plug assembly uses a two-step expansion process to create a secure seal within tubing strings.

Asymmetric profile structures on tubular portions provide torsional stability while minimizing required rotation during assembly.

Integrating a heat exchanger into the riser dissipates high temperatures, allowing lightweight composites while maintaining structural integrity.

Metallurgically bonding an erosion-resistant layer to downhole tools withstands high-velocity abrasive impacts during fracking operations.

Segmenting the gauge ring from the mandrel allows rapid diameter changes, reducing inventory costs and maintenance time for varying borehole conditions.

A one-trip treating tool uses a shroud to guide a seal assembly into lateral bores for zone treatment.

Segmented blades in a polymeric rod guide maintain a stable boundary layer, reducing pressure drops and extending wear life.

Thermite cores melt a eutectic alloy sheath that expands upon cooling, ensuring complete annular coverage and anchoring in deviated wellbores.

Shape-memory alloy cladding establishes interference fit between torque transmission joint and driveshaft.

Spring-loaded engaging means fasten the cable protecting device to pipe collars, reducing installation time and preventing parts from falling into the well.

A telescoping riser device compensates for vessel heave movements while maintaining sealed fluid communication through integrated valve members.

Aluminum alloy box beam resists operational forces while reducing weight and material usage.

A dual-activity mast uses separate fingerboards to perform simultaneous drilling and casing operations on land rigs.

Biasing buttons in a load measurement sub detect lateral forces between sucker rods and well casing to optimize centralizer placement and reduce wear.

Straight bore design prevents clogging while ball retainer retrieves sealing element to avoid tool interference.