Pipe Laying And Repair TRIZ Cases

A damper between the subsea anchor and pipeline end structure stabilizes docking in higher sea states and reduces damage risk.

Longitudinal cutting and separation let buried or well piping be pulled continuously without segment disconnection, easing cleanup and handling.

A movable collar flange and clamping mechanism secure LNG transfer pipes on floating vessels, cutting fixed infrastructure needs and lead time.

A single 21-degree blade slices soft lead pipe cleanly without deformation, enabling easier expansion and replacement line installation.

A cantilevered boom and winch retrofit lets excavators place pipe with longer reach and better stability while keeping original digging functions.

A force-transmitting end structure shifts trenchless installation loads away from polymer foam insulation to preserve heat retention and pipe protection.

Hydrolysis-driven metal expansion keeps tubulars centered in irregular wellbores, cuts friction, and improves fluid mixing during cleanup.

A marked protective sheath deters fiber cable theft during surface laydown and enables remote locating after burial while resisting moisture and damage.

A vault and expanding foam encapsulate asbestos concrete pipe debris in place, enabling HDPE relining without excavation or hazardous waste disposal.

Heater cables in an insulated seabed cavity direct heat into subsea pipelines to melt hydrates and wax while limiting heat loss to seawater.

Pivoting complemental jaws and telescoping support let large polyolefin pipes be fused from above with less heavy loading equipment.

Ground anchors and straps secure buried sewer components against buoyancy, enabling single-step flowable fill installation with faster positioning.

A linkage-mounted angle sensor measures pipelayer boom position accurately while staying protected from debris and damage at the main pivot.

Mixed seamless and seam-welded pipes are spliced along an offshore umbilical to balance dynamic fatigue resistance with lower static-section cost.

Residual curvature loops and buoyancy elements cut touch-down point loads in steel catenary risers, improving fatigue resistance.

Ballasted residual-curvature loops in a steel catenary riser absorb touch-down motion, reducing dynamic loads and fatigue damage offshore.

A bolt-and-release tubular connector speeds conduit protection attachment offshore while improving locking and attachment verification.

Articulated jaws automate module placement around pipelines outside the laying tower, improving coverage, speed, and worker safety.

Axial gasket compression seals a repaired pipeline end face while shielding it from corrosive hydrocarbon fluids and enabling leak detection.

An anchor ring and keyway lock ballast weights against linear slip while allowing rotation to reduce torsional stress in HDPE submarine pipelines.

A sealed viscous-fluid damper raises drag and tunes damping in submerged or air use while resisting seawater, impurities, and marine growth.

Pre-assembling a valved header pipe joint inline with the pipeline cuts subsea lifts, connections, leak points, and tie-in time.

An articulating buoyant guidance sub steers a lateral completion string into a lateral bore without a deflector trip, cutting well time and cost.

Rooftop pathways move and position girder components for in-situ hyperloop tube assembly on difficult terrain, simplifying logistics.

Four anchored pontoons enable precise shallow-water outfall pipeline assembly within short high-tide windows, cutting time, cost, and damage.

Pivoting pulleys and a polymeric pulley surface let a bursting tool enter at an angle, shrinking trenchless replacement pits and avoiding tool damage.

A ripper blade and pipe feeder let a skid steer dig narrow trenches and place flexible pipe in one pass, cutting labor and collapse risk.

Predictive arm positioning lets a moving submersible keep its inspection tool aligned with seabed pipelines for continuous inspection.

Rotating clamping and pushing members release pipes in one motion, improving removal speed and positional control without extra mechanisms.

Dual elevated pathways let vehicles deliver girders and tube segments on rough terrain without ground access or repeated site power certification.

Hydrolysis-driven metal expansion centralizes downhole tubulars in irregular wellbores, reducing friction, damage, and improving fluid mixing.

A movable frame, gripper, and tensioner automate offshore buoyancy aid mounting on cables, cutting manual handling, deck space, and risk.

Breakable end plugs keep subsea pipes sealed during positioning, then shatter under pressure to open fluid flow with fewer installation steps.

Paired float elements limit conduit bending to maintain flow, reduce pump burden, and protect hoses from damage in waterborne use.

Selective heating of the pipe end lowers residual stress and Y/T ratio, making welded pipe sections suitable for reel-lay installation.

A compact locking-and-sealing approach enables watertight annular-space access through submarine pipe relief valves without bulky clamps or accessory removal.

A passive heave compensator between the subsea anchor and pipeline end structure damps motion for accurate docking in higher sea states.

A girder-and-platform pathway lets vehicles place hyperloop tube segments in rough terrain without complex ground access machinery.

Single-bolt tensioners and pad channels enable precise buoyancy module clamping on cables, pipes, and umbilicals with faster offshore installation.

Controlled residual curvature loops with ballast weights help steel catenary risers absorb compression waves and extend fatigue life.

Rigid extendible tubulars replace collapse-prone hoses, enabling higher-rate underwater pumping and more reliable connection to subsea structures.

Axial wedge expansion lets a subsea guide rod lock into a receptacle, distribute large forces, and keep the connection stress-free.

Gas-filled buoyancy and stretch compliance keep the mooring line off the seafloor, protecting benthic communities while maintaining mooring integrity.

A subsea pipeline is laid past the tie-in point, then pulled back so a configured second section bends first, cutting force, damage risk, and cost.

A tracked tower and coil drum assembly inserts into heavy pipe coils, supports rotation, and cuts manual loading equipment on vessels.

A composite graphite and elastomer seal conforms to pipe ovality and surface flaws while staying leak-tight under thermal cycling and high pressure.

Thin laminate is unspooled and laser welded layer by layer to build pressure-rated parts faster with less space and post-processing.

Soil-based pipeline segmentation uses tailored water-permeable bedding to limit district heating heat loss while reducing insulation cost and complexity.

A sliding top-lock connector replaces manual cable assembly, enabling rigid ship-tube connection and fast emergency release.

A fully mechanical ROV-operated sleeve protects subsea flexible lines from clashing without hydraulics, tools, or manual pre-assembly.