Drilling Rods TRIZ Cases

A powered sucker rod tong uses a tapered spiral flute extractor to unscrew couplings from rods.

Spring-loaded concentric contacts maintain electrical isolation across drill pipe joints, reducing contact resistance under vibration.

Segmented links protect slips lifters from rotational damage by decoupling during tubular string rotation.

Reaction collars prevent thrust collar disengagement on marine risers, securing buoyancy modules against axial forces.

An offset shoulder design in threaded tubular connections balances compressive strength against fluid flow space by optimizing the contact area ratio.

Dual solid and viscous lubricating coatings on a tubular threaded joint prevent galling under high torque while eliminating harmful compound greases.

Nitrogen injection absorbs pressure fluctuations to prevent well kicks and formation fracking during stand additions.

Segmented multi-conduit tubing removes liquids from horizontal wells via gas lift, solving low formation pressure constraints.

Buffer fluid circulation displaces corrosive gases in the annulus, preventing hydrogen-induced cracking and extending riser lifespan.

Asymmetric bearings with elastomeric layers minimize rotational stiffness to prevent premature seal failure from static friction and corrosion.

A dual rod magazine system with a transverse transfer device for continuous drilling operations.

A sprocket launcher rotates sleeve holders to discharge sleeves with internal plugs into a wellhead.

Angularly offset hemispherical wheels distribute load across multiple rolling planes, reducing friction and wear on sucker rods in high-load deviated wellbores.

A powered sheave assembly applies torque to route wireline conveyance apparatus into a wellbore.

A surface casing head uses a retractable flange to pass through diverter equipment during installation.

A travel joint fluid brake dampens axial movement between the mandrel and tube to manage telescoping speed.

A load transfer sleeve uses slidable bushing segments to radially expand and axially engage tubular upsets for secure lifting.

Inclined internal thread tooth bottom enables plastic deformation of external threads for secure self-locking connections.

Rotatable inner and outer sleeve coupling transmits torque between downhole tool components via aligned engagement features.

A capillary hanger conveys hydraulic fluid through a string to actuate downhole safety valves.

Separate roller chains engage toothed edges on chuck-jaw links to distribute drive force and reduce breakdown torque during elongate object transport.

Segmented grippers linked by pivot arms distribute 120K ft-lb torque, reducing equipment weight while maintaining precise axial movement.

Rigid buoyancy support at pipe junctions decouples dynamic loads and reduces compression stress for deep water operation.

Short circuits between distal wellbore casings block current return paths, reducing arcing risks and improving electromagnetic heating efficiency.

A horizontal drilling machine integrates an impact device to transmit force through an armored cable for rapid rock fragmentation.

Optical cameras capture latch images for computer analysis, verifying positions before pipe placement to prevent equipment damage from incorrect latch states.

Segmented well cellar components with flexible seals contain hazardous drilling fluids, preventing soil pollution and eliminating costly remediation expenses.

An integrated flush-mount spider and power-tong apparatus combines rotary holding, torque application, and electronic monitoring in a single unit.

Universal joint segments reduce turning radius and whipstocking length, preventing sidewall damage during ultra-short-radius well drilling.

Movable retainer arm positions control lines along pipe strings to prevent mechanical damage during installation.

Composite auxiliary conduits accommodate bending loads via elastic flexing, reducing system weight and failure risk in deep water risers.

Relocating the ball launching assembly to a non-rotating part resolves the complexity of rotating actuation while maintaining reliable well control.

Encoder feedback monitors drive gear rotation to detect spinner wear, eliminating premature replacement costs and downtime.

Segmented locking rams and integrated seals prevent polish rod ejection under pressure, enabling maintenance without drive head removal.

Horizontal tong units connect tubulars via fluid connectors to maintain gripping force during rotation, eliminating cumbersome repositioning.

Segmented clamping jaw groove absorbs debris particles to maintain reliable force transmission on dirty traction means.

Sliding buoyancy modules distribute hydrostatic lift along the tendon to maintain vertical tower orientation.

Telescopic robotic arms automate drill tube movement to eliminate manual derrickman exposure and reduce injury risks.

An electric motor drives a gear differential to rotate a driveshaft, engaging spiral slots in a fishing neck to safely extract stuck downhole tool strings.

A tubular damping sub with angled shaped holes redirects mechanical waves through acoustic impedance mismatches.

A movable transfer device carries rod sections along the drilling axis to enable precise automated attachment.

Deflection relief grooves absorb torque forces in an asymmetrical threaded coupling, sustaining burst pressures without localized stress peaks.

Segmented collets engage asymmetric profiles on the main tubular, enabling sequential lateral access without full withdrawal and reducing operational time.

A riser joint coupling uses a cam ring to drive locking segments into engagement with a pin profile for secure connection.

Segmented variable bore production tubing resolves erosion and corrosion trade-offs in high-pressure sour gas wells by optimizing local flow velocities.

Segmented wall thickness increases bias weld durability while maintaining low overall weight, enabling longer horizontal completions.

A bend stiffener assembly uses spring-loaded balls to engage an I-tube wall for rapid underwater connector securement.

A low pressure starter wellhead system uses dynamic sealing elements to accommodate tubing thermal expansion while maintaining annular seal integrity.