Weatherford 2011 sucker rod pump catalog
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ARTIFICIAL LIFT SYSTEMS
®
Rod Pump- Traveling Barrel
Bottom Anchor
z Agitation keep sand from settling
z Good discharge distribution
z Both cages are open type
Advantages
z Not recommend for gas wells
z Not recommend for pumps in deep wells
z Poor valve placement
Disadvantages
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
Types of Tubing Pumps
z Tubing Pump- Bottom Anchor
z Large Bore Tubing Pump
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
API Pump
Assemblies
for
Tubing Pump
Bottom Anchor
THC
Pump
THM
Pump
TPC
Pump
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
Tubing Pumps
Valve Rod
Plunger
Barrel
Ball Stop
Standing Valve
Seat
Traveling
Valve
Valve Rod
Plunger
Barrel
Ball Stop
Standing Valve
Seat
Traveling
Valve
Pump
Pump
Movement
Movement
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
Tubing Pump-
Bottom Anchor
z Higher volume
z Simple Rugged for severe service
z Used to stroke in & out of barrel
z Pulling cost factor
z Prone to gas locking
z Stuck SV leads to pulling wet string
Advantages
Disadvantages
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
High Volume
Fluid Pumps
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
High Volume Fluid Pumps
Casing Pump - attached to the Packer
z Advantages - Highest volume available;
insert style, therefore retrievable
z Disadvantages - Wear by the rods on the
casing; sanding in of the packer
‘Bottled-Up’ Pump
z Advantages - Greater Production Volumes
z Disadvantages - Plunger larger than the tubing
Oversized Tubing Pump
z ID threads on barrel allow larger plunger
than normal
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
Components
Components
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
Rod Pump
Holddowns
Mechanical
Bottom Lock
Holddown
Mechanical
Top Lock
Holddown
Cup-Type
Holddown
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
Rod Pump
Barrels & Plungers
Barrels materials available -
z Regular steel
z Hardened steel
z Regular steel w/ chromed I.D.
z Brass
z Brass w/chromed I.D.
z Stainless w/chromed I.D.
z Steel Nickel Carbide
z Brass Nickel Carbide
Plungers available in
all standard API
sizes and types