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Control Automatic Pipe Wiper
Control PipeWiper Reduces
Pollution and
Drilling Fluid
Costs
The Control pipe wiperis a pneumaticallycontrolled system thatconserves drilling mudand other fluids inoilfield drilling,
production andworkover operations.With more than tenyears' field use in theUnited States, Canada
and Europe, theControl system has
proven its ability toprovide improvedeconomy, safety andefficiency in rig flooractivities. This systemis a majorimprovement over
earlier methods of removing excess fluidsfrom the drill stem.
More OperationalFlexibility
The Control systemcomprises two
overlapping rubber orpoly- urethane padsthat wrap around thepipe; contact pressurebetween the pads andthe drill string ismaintained at any pre-
set level by air-
actuated cylinders.This variable pressurefeature allows large-diameter tools ordrilling equipment to
be pulled through thepads and wiped cleanwithout causingexcess wear orpermanent damage tothe wiper pads.
Reduced Drilling
Fluid and PipeWiping Costs
The Control system
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Automatic Hole Cover
The Control system can help prevent unnecessary fishing jobs by serving as a hole cover. Its wiping padsautomatically overlap when the drill pipe or tubing is pulled from the hole, effectively stopping any foreignobjects from falling into the wellbore. Special units for sucker rod service are available.
Faster, More Efficient Rig Time
Since the Control system adjusts to the various diameters of drill stem components, crews can makecomplete trips without having to remove the rotary table bushings to pull the pipe wipers. This featureprovides significant savings in rig time.
conserves drillingfluids by effectivelywiping all parts of the
drill stem whentripping out of thehole and providing alarge catch basinbeneath the rotary
table. The fluids arereturned directly tothe annulus or to themud pits through theflow line. Its wipingaction is cost-effective, too; whilemost drill pipe wipers
must be discardedafter only 1/4" inch or1/2" inch of rubberhas worn away, theControl pads canwithstand up to 3" of wear before they must
be replaced.
Increased Safety On The RigFloor
In addition to eliminating thepersonnel hazards associated withremoving and returning rotarybushings, the Control prevents drilling
fluids from spilling on the rig floor, theblowout preventer stack or the rigsubstructure and creating slippery
footing in those areas.
Easy Installation
The Control system can be attached tothe top of the drilling nipple or the BOPstack or mounted on a track beneaththe rotary table for roll-on, roll-off service. All operations are controlledfrom a console mounted near the
driller's panel.
Control: The Answer To Pipe
Wiping Problems
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Company Profile | Products and Services | Contact Us! | Home
© Control Drilling Service (1987) Ltd. 5921 - 87A Street, Edmonton, Alberta, T6E 5W6
Tel: (780) 465-6006, Fax: (780) 469-8872, Cell: (780) 951-4128 or (780) 719-2260
The method of wiping fluid from drillstem and production strings hadchanged very little since the beginning
of rotary drilling - until the introductionof the Control system. Countless hourswere spent wrestling with bulky rotarybushings or fighting the mess left fromdrilling fluids spilled on the rig. Simply
stated, the conventional drill pipewiper is not the most effective way torecover drilling fluids and keep the rigfloor clean and safe.
The Control system solves all those
problems and more by providing thefollowing advantages:
Fluid Savings - Conservescostly drilling fluids bypreventing mud loss onto theBOP stack, the rig floor or therig substructure.
Automatic Hole Cover -Overlapping wiping pads preventdropped wrenches, tong dies,bolts, etc. from entering thewellbore.
Time Savings - Eliminatespulling the rotary bushings sinceit adjusts to different diametersof various drill stemcomponents.
Personnel Safety - Eliminateshazards associated with pullingthe rotary bushings and helps
prevent slipping on lost fluids onthe rig floor.
Reduces Pollution - Keeps oilbased fluids in the mud systemwhere they belong.
Cuts Wiping Costs - The
Control pads wear much longerthan conventional drill pipewipers.
Observe Fluid Levels - TheControl system can easily beopened to observe fluid levelsduring tripping operations and in
the event of a minor gas kick,the system diverts fluidsthrough the flow nipple.
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