Weatherford 2011 sucker rod pump catalog
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© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
Troubleshooting
& Failure Analysis
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
TYPES OF PUMP FAILURE
FOR XYZ COMPANY
Tubing Failure
12%
Rod Failure
19%
Work Over
5%
Pump Failure
42%
Foreign
Material
Green
Pumps
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ARTIFICIAL LIFT SYSTEMS
®
FAILED PARTS IN XYZ FIELD
Barrels
35%
Plungers
17%
Balls
13%
Seats
11%
Valve Rod
4%
Cage
13%
Hold-down
7%
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
TYPES OF BARRELS
FAILED IN XYZ FIELD
Brass Tri-Carb
0%
Steel Chrome
75%
Tri-Carb
19%
Brass Chrome
6%
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
Reasons for Barrel Failure
Corrosion
64%
Bent
9%
Hole
18%
Plunger Stuck
9%
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ARTIFICIAL LIFT SYSTEMS
®
Split Cage
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ARTIFICIAL LIFT SYSTEMS
®
Standing Valve Cage
with Severe Corrosion
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ARTIFICIAL LIFT SYSTEMS
®
Plunger illustrates
severe grooves caused
from passage of sand
or iron sulfide
Plunger Damage
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ARTIFICIAL LIFT SYSTEMS
®
Parted Traveling Valve Cage
© Weatherford. All rights reserved.
ARTIFICIAL LIFT SYSTEMS
®
THREAD
PART
Parted Standing Valve Cage
Standing valve cage
parted at the pin end
that screws to barrel