the Autowalk and Autolift Control System boosts operator efficiency, increases safety, and enhances flexibility during moves. Hold the joystick in the direction you want to go and Autowalk does the rest. Our patented control system coordinates jacking, traveling, and steering
Autowalk improves operator efficiency for faster walking
Safer, faster, more precise lifts with AutoLift
Enhanced precision positioning with Power Steering
Wireless controller keeps operator a safe distance away
Robust, fault tolerant system with multiple control levels
Machine status display standard on all remotes
Available for King-Pin, CompacJac, and X-Swing walking feet
COMPACJAC
the CompacJac still matches its bigger siblings in capability. Despite its size, it employs a 24” travel stroke, travel in any direction, spin mode, 12” lift stroke, and our standard lifting capacities. Because of its diminutive height, the CompacJac can fit in virtually every rig. Once installed, this machine won’t eat up crane time. It is opening the door to new rig designs.
38 inches tall (600,000 lbs capacity)
Adjustible steering allows travel in any direction
Extensive array of customizable rig mounting options:
Pin-On, Pony-Sub, Low Profile, Super Stomper, etc.
Yaw restoration device maintains foot alignment
Fully compatible and interchangeable with the King-Pin family
Autowalk and autolift option available
Autowalk & Autolift Control System
the Autowalk and Autolift Control System boosts operator efficiency, increases safety, and enhances flexibility during moves. Hold the joystick in the direction you want to go and Autowalk does the rest. Our patented control system coordinates jacking, traveling, and steering
Autowalk improves operator efficiency for faster walking
Safer, faster, more precise lifts with AutoLift
Enhanced precision positioning with Power Steering
Wireless controller keeps operator a safe distance away
Robust, fault tolerant system with multiple control levels
Machine status display standard on all remotes
Available for King-Pin, CompacJac, and X-Swing walking feet
CUSTOM DESIGN
Entro Industries has a long history of making our customers successful by providing simple solutions to complex problems. Entro has provided engineering design services for specialty rigs, engineered for extreme environments. Entro custom design services have helped our customers develop new concepts into successful rigs.
Project Management
Engineering
Integration
Field Support
FIELD SERVICE & SUPPORT
properly. Entro has the ability to support your projects wherever they may be. In addition to providing the finest machinery in the industry, Entro can help you with field support services to ensure that your machinery is installed and commissioned
Services include:
Engineering Surveys
Engineering Support Services
Commissioning
Training
Project Management
Field Welding
Field Machining
HEAVY HAUL
CAPACITY 40,000 lbs – 680,000 lbs per Axle
Entro has been designing custom heavy haul rolling gear since 1997. We have experience with custom rolling gear both on and off the road. Entro designed machinery is in operation in the Continental United States and Alaska, the Middle East and Africa.
HITCHWHEELER
CAPACITY 80,000 lb gross Capacity
The Entro Hitchwheeler fills a need for moving heavy buildings, tanks, catwalks and other structures on a drill site without the need for large trucks and machinery. Since the unit can be easily attached to any structure with a standard oilfield loading hitch, a single unit can be used to move many different loads. The Hitchwheeler hydraulic system allows the operator to lift the load to ride height without any additional equipment.
Allows the user to push a building sideways, without overloading the loading hitch
Can be pushed by any Walking System
PIN-ON WALKERS
CAPACITY 80,000 lb gross Capacity
The Entro Walking system is designed to efficiently mobilize NOV Ideal rigs for hole-to-hole moves. The Entro system fits large walking feet into the existing sub and still maintains the ability to move in any direction.
Mud boat can be installed without a crane
6′-0″ well head clearance under mud boat
Field hose connection kit is factory assembled, labeled and tested with quick disconnects at console
Shipping skids accommodate all walker components
Wireless remote control with manual backup; spare remote included as standard
Simple controls with no PLC required
Epoxy paint system standard
System can be customized at customer request
HEAVY HAUL JEEPS
CAPACITY 80,000 lb gross Capacity
Entro heavy haul load dividing Jeeps are custom built for some of the most demanding applications. Entro jeeps are used for moving multi-million pound trailers with pull trucks that need additional king pin capacity. The available split axle walking beam allows greater articulation while reducing stress on the axles and jeep frame. The jeeps can be custom configured to fit specific requirements.
Entro custom extreme duty axles and wheels
Entro custom 5th-wheel plate has simple, redundant locking jaws that connect to the trailer king pin assembly
Front loading hitch allows pull-truck to connect and disconnect the jeep king pin to pulltruck 5th-wheel using a standard truck winch
KING-PIN WALKING FOOT
JACK CAPACITY 875,000 lbs / 600,000 lbs Capacities
TOTAL CAPACITY – NO LIMIT Entro King-Pin Walking feet are uniquely suited to rigs where conventional walking feet do not perform well. The patented design allows a large sized foot to be placed in confined areas while still allowing the rig to move in any direction. It is extremely well-suited to being integrated into the substructure of a rig.
Adjust steering direction with the included 3/4″ ratchet; simple steering dog locks in the desired steering angle
Linkage maintains foot alignment to sub, while King-Pin allows roller to steer in any direction
The King-Pin includes spring-loaded guides to ensure precise steering, overload protection and long life
King-Pin feet will fit into any location a conventional foot will fit
Electronic power steering available
LOW PRO WALKERS
CAPACITY 1.5 Million lbs (shown) / (other sizes available)
The Low Pro Walkers allow the drilling contractor to move not only a substructure with full setback, but also the water tank and mud tanks as well.
Custom engineered to fit your rig
Simple installation
Entire system rigs up without cranes
Low ground bearing pressures under walking foot
All Entro walkers can move in any direction, as well as spin your rig in place
Hydraulic hoses and piping are factory assembled, labeled, and tested with quick disconnects at console
Wireless remote control with manual backup; spare remote included as standard
System can be customized at customer request
Direct replacment for skidding systems
PIN-ON WALKERS
CAPACITY 2.4 Million lbs / 3.5 Million lbs (other sizes available)
Entro Pin-On Walkers can be designed to fit virtually any land drilling rig substructure. They are primarily suited to moving a substructure with umbilical connections back to the rig utilities. Custom engineered to fit your rig
Low ground bearing pressures under walking foot
All Entro walkers can move in any direction, as well as spin your rig in place
Hydraulic hoses and piping are factory assembled, labeled and tested with quick disconnects at console
Optional shipping skids available
Wireless remote control with manual backup; spare remote included as standard
Simple controls
Epoxy paint system standard
System can be customized at customer request
PONY-SUB WALKER
CAPACITY 3.5 Million lb gross Capacity (any size available)
The 4J3500KP Pony-Sub Walking system is designed to efficiently mobilize land-based, box-on-box drilling rigs for hole-to-hole moves. The Entro system fits large walking feet into existing sub designs and still maintains the ability to move in ANY DIRECTION.
The King-Pin connection between the foot and track allows the operator to steer in any direction, as well as spin rig in a circle about a single point.
Low ground bearing pressures under walking foot
Hydraulic hoses and piping are factory assembled, labeled and tested with quick disconnects at console
Self supporting rig-up spreaders can be deployed without machinery and stow on side of box for shipment
Wireless remote control with manual backup; spare remote included as standard
Simple controls
Epoxy paint system standard
System can be customized at customer request
SIDEKICK WALKER
CAPACITY 3.5 Million lb gross Capacity (any size available)
Entro designed walking machines have been used on structures in excess of 12 million pounds. Entro has begun building smaller capacity walkers to move smaller loads that are still too heavy to move without specialized machines.
This series of small walkers include many of the same features of our large machines. Different mounting styles and configurations are available depending upon the load being moved.
Fast Cycle Time
Simple Controls
Fully assembled and tested prior to shipping
Hydraulic hose kits labeled with quick disconnects and are interchangeable between all systems
Customizable
STRONGBACK WALKER
CAPACITY 2.4 Million lbs
The StrongBack allows the substructure to walk with full set back and the water and mud tanks with fluids in the tanks. This allows movement without requiring rig down.
The StrongBack utilizes beams to balance loads on both sides of the rig while maintaining complete clearance in the rig cellar.
The StrongBack is ideally suited to upgrade an existing single piece substructure for walking.
NO MAJOR RIG MODIFICATIONS REQUIRED
Entire system rigs up without cranes
Moves in two loads
Low ground-bearing pressures under walking foot
Move in any direction, as well as spin in place
Hydraulic hoses and piping are factory assembled, labeled and tested with quick disconnects at console
Manual controls standard, wireless remote control and power steering optional
System can be customized at customer request
Uses Entro’s Patented King-Pin walking machinery
SUPER STOMPER
CAPACITY 2.4 Million lbs
The Super Stomper is the next evolution of the design. The Super Stomper allows multiple jack cylinders to operate over a single large walking foot which allows the rig to operate at much lower ground bearing pressures than competing designs. The Super Stomper allows the rig to operate over soft ground while still allowing the rig to move in any direction.
Utilizes Entro’s proven King-Pin walking system
Full length walking foot
Move in ANY direction, as well as spin in place
Uses standard proven mechanical components
SUPER X-SWING
JACK CAPACITY 900,000 lbs / 750,000 lbs / 600,000 lbs
Total Capacity – No limit
The Super X-Swing brings the versatile X-Swing to the Super Stomper. With 8 feet of travel, lower ground bearing pressure, and all the same X-Swing functions, the Super X-Swing is the best of both worlds. The Super X-Swing moves in any direction, at any time, and can change direction under load. Precision control is easier than ever before, further reducing total move time.
Extended 8 feet of travel stroke increases speed
Expanded flexibiliy for precision control
Full length walking foot for lower ground bearing pressures
Fully compatible and interchangeable with the King-Pin family
Autowalk and autolift with manual backup standard
HEAVY HAUL SUSPENSIONS
AXLE CAPACITY 80,000 lbs (40 Tons) up to 880,000 lbs (440 Tons) per Axle
Entro’s newest patent pending designs improve many features of our Extreme Service suspensions. New features include reduced mounting height, more articulation, modular hydraulic suspension, and higher strength. Entro evaluates each application for the best tire, wheel, axle, and suspension configuration to ensure that the customer has the most cost effective solution.
Extreme duty axles and wheels
Bare axles or complete systems
Modular suspension design allows full field disassembly without welding or cutting
All wheels bolt directly to hub for simple field maintenance
Entro optimizes each suspension as a complete system for every specific application
Entro also provides vehicle stability review, validation, and installation services
HEAVY HAUL TRAILERS
CAPACITY Varies, Exceeding 4 Million Pounds (2,000 Tons) per Module
Heavy Haul trailers have proprietary suspensions and are custom built for some of the world’s most demanding applications in oilfields around the world. Entro’s knowledge and history of working in severe environments helps us build custom trailers that provide years of trouble free service.
Boasting a doubled walking speed from its extra stroke, while maintaining the wide array of rig mounting options of its proven counterpart, the X-Swing is our most capable walking foot yet.
The X-Swing moves in any direction, at any time, and can change direction under load. Precision control is easier than ever before, further reducing total move time.
Extended travel stroke increases speed
Expanded flexibiliy for precision control
Extensive array of customizable rig mounting options: Pin-On, Pony-Sub, Low Profile, Super Stomper, etc.
Extra flexible mounting: low total height and foot clearance
Yaw restoration device maintains foot alignment
Fully compatible and interchangeable with the King-Pin family
Autowalk and autolift with manual backup standard
Since 1991, M/s TEJAS ENTERPRISE has been a leader in Professional Industrial Tools, Machinery & Tackles Solutions. With over 30 years of experience, we are known for innovative products, reliable services, and a strong reputation as top industrial tool suppliers.