Wft Pumping Unit

Pumping UnitsReciprocating Rod-Lift Systems

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Pump & fluid systems

Surface pumping units - Conventional - Long-stroke - Low-profile - Nitrogen-over-hydraulic - Optimization equipment

Conventional Pumping UnitsAmpscot® . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Maximizer® . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Enhanced Geometry Pumping UnitsMaximizer II® . . . . . . . . . . . . . . . . . . . . . . . . . 6

Long-Stroke Pumping UnitsRotaflex® . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Low-Profile Pumping UnitsStrapjack® . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Nitrogen-Over-Hydraulic Pumping UnitsVSH2™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Reconditioned UnitsThe economical alternative to new units . . . 14

Pumping Unit Field ServiceInspection, service and repair . . . . . . . . . . . 16

Pumping Units

The brands you know, the name you trust

Building a success story takes time . From the humble beginnings of the American® brand of pumping units in Weatherford, Texas, more than 75 years ago to the unrivaled design of the Rotaflex® long-stroke pumping units, the evolution of Weatherford’s surface pumping units has forged a new standard in the artificial-lift industry.

Weatherford is prepared to handle the most diversified and challenging environments, from design innovations to proven application methods and a team of field service specialists.

Today Weatherford designs, manufactures and brings to market a full range of surface-pumping units and equipment to perform reliably in virtually any situation . As a world leader in production-enhancement products and services, Weatherford offers operators truly integrated solutions for the life of the well .

Maximizer®

Ampscot® Strapjack®

Rotaflex

© 2005–2010 Weatherford . All rights reserved . 1

Pumping Units–Reciprocating Rod-Lift Systems

Ampscot® Pumping Unit

• Several features enhance the safety of this pump: safety line with stops running the length of walking beam, lifting hooks, crank guards, belt guards, caged ladders, work platforms, beam extensions and ground-level lubrication .

• Solid-type herringbone reducer is designed for long life and easy maintenance in accordance with API Specification 11E.

• Class I working geometry is designed to operate in either direction to help equalize gear wear and extend reducer life .

• Three-legged Samson post, with the rear leg mounted high in the pedestal base, adds stability of upper structure while equalizing surface loads .

• Rack-and-pinion design provides easy counterweight adjustment .

• Crank arms have split low-speed section and are retained on the low-speed shaft with pinch bolts to reduce risk of breakage. The crank arms can be removed in the field without the use of hydraulic press or special tools .

• Quick-release retainer pin facilitates removal of horsehead for well servicing .

Practical experience, exceptional results

Ampscot pumping units have been active in oil fields for more than two decades . They are recognized worldwide for their dependability, durability and extended service life. These qualities, plus very high mechanical efficiency, low operating costs and high resale value, have earned Ampscot units an excellent reputation . Ampscot pumping units and reducers are manufactured in a range of sizes from 114 through 1824 .

Weatherford’s the state-of-the-art facilities in Canada and Brazil are dedicated to these pumping units and continually enhance capabilities to address tomorrow’s technological challenges . In addition, this facility holds an American Petroleum Institute (API) license . Clients can be confident knowing that each product is designed to exceed the latest API Specification 11E and is backed by the API Specification Q1 Quality Assurance Program.

Features, advantages and benefits

2 © 2005–2010 Weatherford . All rights reserved .

Structural bearings

• Ampscot heavy-duty structural bearings are readily available items, built with ease of maintenance and repair in mind .

• Wrist-pin assemblies feature a standard tapered pin and self-aligning spherical roller bearings, which are easily accessible through an inspection cover .

• Saddle bearings for the 114 and 160 units use a double-tapered roller bearing with a large sealed lubricant cavity, while larger units use two of these assemblies. These bearings have excellent load characteristics and infinite L10 life .

• Tail bearings for the 114 and 160 units incorporate self-aligning spherical roller bearings in a housing that is interchangeable with the wrist-pin housing, easily accessible through the inspection plate cover . Larger units use a rugged double-tapered roller assembly .

Gear reducer

The Ampscot® gear reducer uses a one-piece, cast-iron gearcase, providing maximum strength, precise alignment and added protection against leaks and environmental concerns . This design uses anti-friction bearings for long life, economical replacement and efficient operation. High-speed and intermediate gearbox bearings are mounted in a separate bearing carrier, protecting the gearcase in the event of bearing failure . This system also provides easy and economical access to bearings should they need replacement .

• Coarse-pitch, heat-treated, ductile iron herringbone gears and 4145 heat-treated alloy steel pinions extend wear life .

• Field-replaceable intermediate gear/pinion assemblies reduce repair costs .

• Large, easily removable inspection covers and access lids facilitate service .

• The gear reducer is designed to lubricate at speeds as low as 2 spm without modification.

Gear Train Housing

Herringbone Gears

Wrist-Pin Assemblies

Lifting Eye and Tie-off Cable


Pumping Units–Conventional

Consistent quality is what clients have come to expect from Maximizer pumping units, available exclusively from Weatherford . The owners and locations have changed over the years, but the quality and reputation of the Maximizer unit remains constant as a worldwide brand leader .

The Maximizer unit goes beyond conventional geometry, which typically divides the crank rotation evenly—180° on the upstroke and on the downstroke . This surface unit devotes a full 186° of its clockwise crank rotation to the upstroke to maximize production . The Maximizer unit represents an ideal balance between the versatility of conventional geometry and the more focused applications of special geometry . By optimizing its improved geometry, the Maximizer pumping unit performs effectively across a range of diverse well conditions to meet today’s requirements, as well as tomorrow’s changing conditions for the life of a well or field.

Maximizer® Pumping Unit


• The unit can be run in both directions, with steel or fiberglass rods.

• Unique, improved design saves energy and operating costs .

• The unit devotes 186° of its clockwise crank rotation to the upstroke to maximize production .

• The unit can be set on a two-point foundation, saving concrete costs and installation time .

More than a traditional pumping unit


Gear reducer

The Maximizer® pumping unit uses a two-piece reducer case and a bolted crank-arm attachment, each of which can be easily and quickly changed in the field, reducing costly downtime .

Inside the gearbox is a precisely engineered gear train featuring tough, rugged, double-reduction, double-helical, involute gear design . Strong 4145 heat-treated alloy steel pinions and ductile-iron gears, machined to precise tolerances and assembled in-house, result in optimal fit and high efficiency. The gear reducer contains oversized anti-friction bearings, rather than energy-consuming bronze bushings . Each bearing is set in a carrier for ease of removal and installation . The Maximizer gearbox is so smooth and efficient that even the largest size can be easily turned by hand.

• The unique gearbox-lubrication system provides an ample supply of oil to each bearing, regardless of rotational direction or pumping speed .

• The positive stop pawl of the high-capacity industrial brakes can be engaged with notches in the brake drum for added safety .

• All components are designed to exceed the latest API Specification 11E, backed by the API Specification Q1 Quality Assurance Program.

• The gear reducer is available in sizes 25 through 1824 .

Structural bearings

The anti-friction bearings on the Maximizer unit enhance drive efficiency and require little maintenance with reliable performance . All Maximizer units have oversized roller bearings rather than costly bronze bushings . Wrist-pin bearings are self-aligning, spherical roller bearings with a one-piece outer race that eliminates the need for field adjustment . All units use tapered roller bearings in the saddle and equalizer bearing assemblies .

The upper pitman connection used on all Maximizer units is uniquely designed, with no bearings to wear out and no lubrication requirements, resulting in virtually maintenance-free operation .

Upper Pitman Connector

Saddle Bearing

Pitman Banjo

Brake


Pumping Units–Conventional

Recovering more fluid with less energy

The MaximizerII pumping unit offers benefits typically not found in conventional pumping units . Through its unique design features, the rear-mounted pumping geometry of the MaximizerIIunit exhibits higher mechanical efficiency and allows more crank rotation during the upstroke pump fillage. The pump design of the MaximizerII unit allows the counterbalance moment to be phased in a way that optimizes the lifting cycle, further decreasing gear-reducer torque and energy requirements . Enhanced geometry delivers greater productivity at a highly efficient rate.

Tangible benefits over conventional geometry

• Gearbox reducer torque is lower in some cases, allowing for a smaller unit .

• Lower horsepower requirements enable the use of a smaller prime mover to reduce lifting costs .

• Slower upstroke allows more time for pump fillage.

Tangible benefits over push-up special geometry

• Extended distance from the wellhead for easier and safer well servicing .

• Reduces structural imbalance .

• Smaller torque factors provide higher mechanical efficiency.

• Improved permissible load characteristics, including reduced loading on low-speed shaft and bearings .

• Reduces polished-rod acceleration during the critical first 40 percent of the downstroke .

• Reduces fluid pound effects, resulting in longer rod lift and less downtime .

• Increases useful permissible-load range when both types are loaded with counterbalance to achieve maximum structure loading .

• Increased uniform loading of prime mover results in lower energy costs .

• Requires six to eight percent less energy to lift the same amount of fluid as push-ups.

Maximizer II® Pumping Unit


Another means of evaluating the efficiency of a pumping unit is the shape and range of the permissible-load diagram . The horizontal shape and wide permissible-load range for any given counterbalance value makes the Maximizer II® unit ideal for a broad range of operating conditions .

The geometry of the MaximizerII unit also contributes to reduced torsional loads on the gearbox, which can result in significant reductions enabling the producer to use a smaller gearbox in some cases . These reductions may increase some internal structural loads, which are fully compensated for in the MaximizerII unit by using heavier structural materials and larger structural bearings .

By design, the MaximizerII pumping unit provides more open area around the wellhead for personnel and equipment when workover is required . This advantage results in easier, safer working conditions .

The MaximizerII pumping unit is available with gear-reducer sizes 320 to 1824 .


• Two-piece reducer case and the bolted crank-arm attachment are easily and quickly changeable in the field, reducing costly downtime.

• The unit can be installed on a two-point foundation, saving concrete costs and installation time (foundation plan available) .

The MaximizerII unit looks deceptively like a conventional pumping unit, but the similarity ends there . This unit is an API Class I, enhanced-geometry pumping unit with rear-mounted geometry and phased counterbalance . The engineering and manufacturing experience used to produce the MaximizerII pumping unit results in a versatile, energy-efficient pumping unit that maximizes production and minimizes cost.

Acc

eler

atio

n (ft

/sec

) 10

5

1.0 0.95 0.90 0.85 0.80 0.75 0.70 0.65

Polished-Rod Position

Maximizer II Geometry

Front-Mounted Geometry


Pumping Units–Enhanced Geometry

Rotaflex® Pumping Unit

Rotaflex pumping unit advantages:

• Handles higher volumes and higher loads efficiently in deviated wells better than conventional rod pumping .

• Reduces rod and tubing wear for extended life .

• Reduces the number of cycles and reversals .

• Increases system efficiency.

• Facilitates service and installation .

• Lowers reducer torque, resulting in lower kilowatt requirement .

• Reduces dynamic loading significantly, resulting in lower operational costs .

• Provides better pump-compression ratio to reduce or eliminate gas-lock problems .

• Uniquely designed, field-proven mechanical reversing mechanism for use in deviated wells .

The Rotaflex unit is Weatherford’s long-stroke pumping system for sucker-rod pumps . With the Rotaflex unit, sucker-rod pumps can often be used instead of electrical submersible

or hydraulic subsurface pumps . Using up to a full 366-in . pump stroke results in operational savings and increased productivity .

The Rotaflex unit has virtually no minimum speed to ensure increased flexibility. Slower speeds and longer strokes result in more complete barrel fillage. Dynamometer card

results from Rotaflex unit applications are similar to a theoretically perfect card . Several advantages of this long-stroke design can significantly reduce lifting costs.

Proven technology for deep, troublesome and high-volume wells

Unique, mechanical reversing mechanism—designed for flexibility


Upstroke PositionDownstroke Position

Mechanical Reversing Mechanism

The rollback system is an option for new orders and as an aftermarket add-on .

Rotaflex

Electrical Efficiency Comparison

Overall % Efficiency

The Rotaflex® unit’s efficiency can be significantly higher than other pumping units because the unit size and the reversing mechanism can create up to a 366-in . surface stroke . Well-analysis reports indicate that the Rotaflex unit repeatedly performs at a 61.2 percent efficiency level. The Rotaflex unit can substantially reduce energy costs to producers, typically saving between 20 to 50 percent in electrical requirements . Pumping with the Rotaflex unit puts less stress on the system because the rod string is operated at relatively constant velocities . Constant velocity plus fewer strokes per barrel of production can increase the life span and reliability of the pumping unit, downhole pump and rod string .

Installation and maintenance

Pre-assembled, factory tested and shipped in one piece, the Rotaflex unit can be installed and ready for use in a few hours . The tower pivots, enabling it to be folded for transportation as a single trailer load .

No special training is required for field personnel operating this unique pumping unit . The Rotaflex design still applies familiar sucker-rod technology and equipment, such as the carrier bar and gearbox, for simple operation . This design allows workers to counterbalance the pumping system without the use of specialized or costly equipment . The unit comes equipped with a speed monitor that sets the Rotaflex brake and turns off the prime mover should motor speed violate preset values .

Servicing a well with the Rotaflex unit is safe and simple . After the bridle and carrier bars are disconnected from the polished rod, the unit rolls away from the wellhead without any disassembly . When the workover is completed, the unit is rolled back into place and the carrier bar is reconnected to the polished rod .

Greater efficiency, less energy consumption, lower costs


Pumping Units–Long Stroke

Rod pumping under irrigation systems and visually sensitive areas

The StrapJack pumping unit combines maximum stroke length and minimum height requirements for continuous operation under active irrigation systems. With its low-profile design, this unit is uniquely suited for special applications where visibility should be minimized, such as in parks and residential areas .

Engineered for safety and economy

The StrapJack unit is designed so that the carrier bar remains above the base of the skid at the bottom of the downstroke . This configuration means that wellhead cellars can be much shallower and in some cases eliminated . Where a cellar is required, it is often less than 4 ft (1.2 m) deep, eliminating the “confined entry” designation and saving considerable maintenance expense .


• Low-profile design makes the StrapJack unit suitable forlow-clearance applications, such as rod pumping under sprinkler systems .

• Low visibility contributes to positive relationships with landowners .

• The design of the StrapJack unit in many cases eliminates the need and associated costs of a cellar, alleviating the risks associated with gas collection and confined entry.

• Upstroke/downstroke velocities are essentially equal, resulting in the same geometry in both directions for smooth, consistent operation .

• The StrapJack pumping unit is designed to operate without a horsehead, reducing visual impact .

• The unit ships fully assembled for reduced setting time and costs and easy transport .

• Samson-post third leg folds for easy well servicing .

StrapJack® Pumping Unit

Irrigation System Clears StrapJack Unit

StrapJack Shares Field with Conventional Pumping Unit


Easy installation and maintenance

The StrapJack® unit is pre-assembled and shipped in one piece, enabling fast and easy setup and installation in just a few hours . Well maintenance is simplified by a folding Samson-post assembly. By removing a pin on the third leg and disconnecting the carrier bar from the polished rod, the Samson-post and roller assembly can be quickly and easily folded back, away from the wellhead . This helps maximize work space and safety during pulling or servicing operations .

Dimensions

StrapJack Unit with Cellar


Pumping Units–Low Profile

• Energy consumption, in some cases, is less than conventional pumping units . Nitrogen supplies approximately half of the lifting power, reducing the horsepower requirement .

• With only three moving parts (excluding the prime mover), the VSH2 unit provides high reliability with low maintenance . Maintenance consists of just one filter per year and the normal visual inspections required of all equipment .

• The lightweight, compact and simple design of the VSH2 unit minimizes site preparation, transportation and setup costs .

• Easy, variable-speed control provides greater flexibility in operating the equipment and adjusting to well conditions .

• Unique design provides versatility for pumping a wide range of wells .

Operating with a conventional sucker-rod system, the VSH2 pumping unit was specifically developed for fields with heavy crude oil and wells with rod-fall problems . Nitrogen-over-hydraulic technology makes this unique surface-pumping unit capable of lifting greater loads and, in some cases, using less energy than conventional units . The VSH2unit offers variable speed control in both directions and can accommodate polished-rod loads up to 40,000 lb (13,144 kg) and pump to depths of up to 10,000 ft (3,048 m) .

The VSH2 pumping unit offers maximum flexibility for a wide range of requirements . Applications, both permanent and temporary, include testing wells (new and re-entry), short-term repairs, projects with lengthy delivery times and dewatering gas wells . The VSH2 unit creates a viable alternative for keeping a well on production and on schedule, saving operators valuable time and resources .

Maximum versatility


VSH2™ Pumping Unit


Safety controls

• Low hydraulic oil level shut-off

• High oil temperature shut-off

• Manual thermometer

• Downhole rod and pump safety device

• Over-torque relief valve

• High-pressure alarm light

1 Nitrogen gas pushes down on accumulator piston. Hydraulic fluid under piston is forced into upper stage of cylinder and pushes up on cylinder piston .

2 Servo valve routes pressurized fluid from pump to lower stage of cylinder. This cycles cylinder rod up and down, using less horsepower .

3 Proximity switches activate electric displacement control that operates servo valve, changing stroke direction .

4 The spm can be changed by simply turning knob up or down on control panel .

5 Production optimization controller for VSH2™ unit panel is wired for a five-minute installation time .

Unit Model60 120 150

Maximum stroke (in .) 60 120 150

Minimum stroke (in .) 24 52 72

Maximum spm* 9 8 7

Maximum rod loads (lb)** 35,000 40,000 40,000

Cylinder size (in .) 4

*Maximumspmcanvary,dependingonPPRI.**PPRIloadscanvary,dependingonspm.

Performance Data

Unit Model60 120 150

A = width (in .) 61 .0

B = length (in .) 102 .0

C = shipping height (in .) 57 .0

C = working height 90° (in .) 62 .0 74 .0

C = working height vertical (in .) 83 .0 115 .0

D = cylinder (in.) 157 .0 255 .0 277 .0

E = pedestal (in .) 144 .0 215 .5 254 .5

F = mast width, shipping (in .) 26 .0

G = mast width (in .) 18 .5

Overall Dimensions

Weatherford also offers a mini VSH2 unit with the same features and advantages of the larger version; however, the mini unit uses no nitrogen . The mini VSH2 unit was designed for low-producing and remote locations where electricity is not available . The mini VSH2 unit

can accommodate loads of 10,000 to 20,000 lb (4,536 to 9,022 kg) and speeds up to 5 spm . With the use of a Weatherford programmable controller, the mini unit can start and stop the stroking action automatically with its 4 .3-L engine .

Mini VSH2 unit


Pumping Units–Nitrogen-Over-Hydraulic

The economical alternative to new units

Weatherford’s reconditioned pumping units offer an economical, high-quality, warranted alternative to new equipment . Weatherford units go through a rigorous, documented inspection and reconditioning process that is unequaled in the industry .

Reconditioned pumping unit criteria

Weatherford’s quality program prescribes the criteria that each unit must meet to ensure consistent quality . Inspections are performed by our quality assurance department, which operates independently of manufacturing, ensuring that any problems are identified and corrected before shipment . Key components of this process are as follows:

• A written inspection and repair plan documents needed repairs as well as manufacturer, size, model and other pertinent data .

• Wrist-pin assemblies are replaced with new pins, seals and bearings; other structural bearings are replaced if worn or damaged .

• Gearbox components are rotated a full revolution and inspected for any damage or excessive wear; gears in need of repair are replaced .

• Gearbox oil is inspected and replaced, as necessary, to meet manufacturer specifications.

• All other components are inspected for integrity, proper size and alignment; replacement parts meet or exceed manufacturer requirements .

• Specially trained crews carefully examine nuts and bolts for damaged threads, corrosion, grade and proper installation .

• Final inspection is conducted and documented to ensure that all repairs have been properly completed and all client requirements have been met .

• Units are prepared and coated with a high-quality industrial paint to meet client color requirements .

Manufacturing and engineering capabilities

Weatherford is a major manufacturer of new pumping units and the largest pumping unit service company in the world, providing our reconditioning division access to a wide array of resources for making units of the highest quality available . From experienced design, repair and application engineering and manufacturing to our service, setting and repair equipment, we are uniquely equipped to handle repairs and replacement of damaged or worn parts .

The Economical Alternative


Comprehensive services

Weatherford’s pumping unit services have provided the most comprehensive servicing of all industry brands and OEM’s manufactured in the last century:

• Pumping unit inspection

• Complete pumping unit repair

• Pumping unit installation

• Maintenance programs

• Turnkey pumping unit setting

• Bearing remanufacture using PTFE and manufacturer-style bearings

• Engineering and application assistance

• Cold-process structural member straightening and repair

• Gearbox assembly and repair

• Hotshot service to facilitate repairs

• OEM bearing assemblies

Points of excellence

• Largest pumping unit print library in the industry for many brands

• Alliance program

• Quality control program

Inspection, Service and Repair

Pioneering self-lubricating bearing design and application, Weatherford was the first to apply polytetrafluoroethylene to bearing assemblies for pumping units . This unique material has a very high load capacity, is self-lubricating (good for

the environment), and is highly resistant to corrosion and abrasion . Weatherford’s one-trip bearing exchange program is available for both PTFE- and OEM-style bearings, which significantly reduces downtime and repair costs.

Environmentally friendly PTFE bearings

Safety

Key to Weatherford’s success, our commitment to safety consists of a carefully designed, comprehensive program covering every phase of operations . Some highlights:

• Green hardhats for new employees

• Tailgate safety meetings

• Pre-trip truck inspections

• Crosby Group product application training

• Drug/alcohol testing

• Safety department

• Monthly SCBA, fire extinguisher and H2S monitor inspection

• Use of bucket trucks

• Job safety analysis (JSA)

• Monthly 29CFR1910 basic (OSHA)

• Safety alerts

• H2S, first aid and CPR training

• Weekly and monthly safety meetings

• SOP’s—Weatherford has developed standard operating procedures for many tasks specific to pumping unit services


Pumping Units–Reconditioned Units

Inspection, Service and Repair

Weatherford’s equipment and manufacturing expertise meets or exceeds manufacturer specifications, even for obsolete units . Whether a system calls for a helical 57 high-speed pinion or a 1280 herringbone low-speed gear, Weatherford can manufacture replacement gears and sprockets to suit most any application .

Our gearbox repair facility can accommodate virtually all gearbox sizes and brands . Most gearboxes can be test run in our shop to ensure smooth running, trouble-free operation in the field. If needed, our in-house engineering

staff can recommend design changes for failure-prone manufacturer designs .

Specializing in hard-to-find parts, we provide component replacement parts to fit a wide range of units. These parts are carefully selected from our large, computerized inventory, which consists of used and rebuilt crank arms; structural parts, such as beams and horse heads; and gearbox parts, bearing assemblies and housings, and skids to fit most major brands and sizes.

Replacement parts and repair

When Weatherford’s portable concrete base was introduced, producers no longer had to rely on expensive, poured-in-place foundations that could not be moved . Our bases also provide a much more stable foundation than can be achieved with timbers or steel pads .

Pre-stressing and the inclusion of steel reinforcements result in bases that offer superior durability and strength . These bases are available in a wide range of sizes and configurations for all pumping unit geometries, drive types and sizes . Custom bases for various other wellsite equipment are also available .

Portable pre-stressed concrete bases

Servicing thew oil and gas industry around the world with representatives as close as an e-mail: pumpjacks@weatherford .com .


Weatherford’s trained inspectors use comprehensive field techniques to provide a thorough inspection of the pumping unit and all of its components . A written report is

then reviewed with the client to determine needed repairs . Bearing lubrication and tightening of all bolts are included in this service .

Inspection services

Weatherford’s fleet of service trucks is strategically dispersed across all major producing areas . All trucks are custom engineered and specifically designed for efficient and economical repair of pumping units . These trucks and experienced crews are equipped with the special tools and equipment needed to do most repairs in a single trip with the resulting savings to the client .

Cratered units are brought to our repair centers . These fully equipped facilities offer the necessary parts and processes to bring damaged components quickly back to manufacturer specifications using cold-process structure straightening, a full range of welding and brazing processes, boring and sleeving of wrist-pin holes and other necessary processes .

Repairs and maintenance

We can provide turnkey pumping unit hauling cranes and installation . With Weatherford’s haul trucks and specially designed tandems, our crews can set up units to API size

2560 using a crane and gravel and pad work can also be included . Experienced crews, coupled with the right equipment, ensure that the job is done right the first time.

Installation services


Pumping Units–Field Services

weatherford.comWeatherford products and services are subject to the Company’s standard terms and conditions, available on request or at weatherford .com . For more information contact an authorized Weatherford representative . Unless noted otherwise, trademarks and service marks herein are the property of Weatherford. Specifications are subject to change without notice. Weatherford sells its products and services in accordance with the terms and conditions set forth in the applicable contract between Weatherford and the client .

© 2005–2010 Weatherford . All rights reserved . 847.02

Pumping Units–Reciprocating Rod-Lift Systems

For more information or to reach a regional representatve contact us at pumpjacks@weatherford .com or select the contact us section online at weatherford .com/rodlift

The Lift ExpertsSM

Wft Pumping Unit

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