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Rod Pumps andAccessories for
Gas-Locking andGas-Handling Conditions
HARBISON-FISCHER®
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Q U A L
I T Y
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A Global LeaderFounded in 1933 with a urnace, belt-
drive machines and a Cadillac motor to
turn the lathes, Harbison-Fischer has grown
into a global leader committed to serving
the sub-surace oileld rod-pump market.Our technically trained, proessional sta
specializes in
– solving our customers’ downhole rod-pump
problems;
– providing the highest quality products
in a timely manner;
– creating value by providing service and expertise
that lowers overall liting costs;
– evaluating each well to recommend the
appropriate pump conguration, pump metallurgy
and operating parameters.
Located in thirty-si U.S. warehouses, two
Canadian warehouses, one in Australia, and
HARBISON-FISCHER®
throughout the oil-producing world, Harbison-Fischer maintains the largest on-hand inventory
of rod-pump parts in the industry.
x
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Two Stage Hollow Valve Rod Pump
Two-Stage Hollow-Valve Rod Pump V e R s A T I L e
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Two-Stage Hollow-Valve Rod PumpOur mot popular pump dein
Ruggedness and versatility combine to provide the
optimal choice or most pumping conditions.
– Moves light to moderate sand without stickingwhile handling up to moderate gas-locking
conditions
– Large pull tube resists valve-rod buckling
– Shallow to deep well applications
– Insert and tubing pump congurations inmost sizes
– Uses mostly stock parts
– Available in materials and surace treatments or
corrosive or abrasive conditions
The Two Stage Hollow-Valve Rod Pump uses two-
stage compression technology to avoid gas locking.
Here’s how: On the downstroke, the upper traveling
valve holds back the hydrostatic head and allows
the lower traveling valve to open without the need to
compress the fuid/gas mixture to a high pressure.As the downstroke continues, the fuid/gas mixture
rom the lower compression chamber moves through
the plunger to the upper compression chamber. At
the start o the upstroke, the lower traveling valve
closes and the standing valve opens to admit newfuid to the lower compression chamber. During the
upstroke, the fuid/gas mixture in the upper compres-
sion chamber is compressed to a higher pressure
until the top traveling valve opens and allows the
fuid to be discharged into the tubing above the
pump completing the pumping cycle.
The pull-tube guide has a generous clearance to
allow sand and other particulates to be fushed rom
the upper compression chamber during the upstroke.
This characteristic gives the Two-Stage Hollow-Valve
Rod Pump its versatility in gas-locking applications,
which also produce sand or other particulates.
HARBISON-FISCHER®
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Two Stage Hollow Valve Rod Pump
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Variable Slippage Pump® (VSP)
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Variable Slippage Pump®
(VSP)(Patent Number 6,273,690)
Fine-tune your VsP® to uit your well
– Eliminates gas locking, fuid pound and
gas pound
– Adjustable slippage to match needed
gas handling
– Easy to adjust by raising or loweringpolished-rod clamp
– ed minimum polished-rod load or greater
sucker-rod lie
– Corrosion- and abrasion-resistant materials
available
The patented Variable Slippage Pump® is a sucker-
rod-drawn, positive-displacement pump which oper-
ates on the principle o pressure equalization just
beore the plunger reaches the top o the upstroke.
Existing pump designs rely on the ability o the
pump to produce high pressure in the compression
chamber during the downstroke. This high pressure
is needed to open the traveling valve and allow fuid
and gas to fow through the plunger or liting to thesurace on the upstroke. Failure o the traveling valve
to open on the downstroke in gassy wells causes a
gas-locked condition and no production.
The VSP® has a gradual taper in the upper barrel.
As the plunger enters this taper near the top o theupstroke, slippage increases past the plunger, and
pressure is equalized above and below the plunger
and traveling valve. Thereore, when the plunger
starts downward, the traveling valve opens easily
since high pressure in the compression chamber has
already been achieved.
HARBISON-FISCHER®
Increas
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Two Stage Hollow Valve Rod Pump
Pampa Gas Pump®
R e s O
U n d I
n g s U c c e s s
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Pampa Gas Pump®
The bet o both world –
a and and handlinin the ame pump
– Reduces sticking rom sand or other particulateswhile increasing the compression ratio or ewer
gas problems
– Increases run time because o large plunger and
barrel wear areas
– Materials or abrasion and corrosion available
For many years, the traditional Harbison-Fischer
Pampa Pump with its long plunger and short
barrel has been a resounding success in solving
particulate-production problems. The Pampa Gas
Pump® is a modied Pampa Pump characterized bya long barrel and long plunger but without a lower
extension. The absence o a lower extension and
the addition o compression-chamber-enhancing
eatures signicantly improve the compression ratio.
This creates a pump that is designed or pumpingproblems up to and including severe particulates
and moderate gas locking. The Pampa Gas Pump®
will load the pumping unit and produce fuid in the
same manner as any API pump.
HARBISON-FISCHER®
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Gas Vent ™ Pump e F F I c I e n T
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Gas Vent ™
Pump
Pumps your well downfurther and separates the gas
– Avoids gas locking and gas intererence byventing gas rom the fuid beore it is pumped up
the tubing
– Maximizes production with the lowest drawdown
o casing fuid level o any pump. Produces fuid
at zero-intake pressure– Slow pumping speeds not a problem
– Choice o insert- or tubing-style pump
– Materials for corrosive and abrasive environments
available
The patented Gas Vent™ Pump is a new concept
in sucker-rod pumping. It separates gas from fluid,
producing gas up the casing/tubing annulus and
almost gas-free fluid up the tubing. The unique
gas-separating aspect of this pump is that the lower
plunger passes above the vent ports on the upstroke.
This allows gas to escape from the compression
chamber to the casing. The traveling valves open
on the downstroke when the lower traveling valve
contacts the fluid and the fluid forms a fluid seal
between the lower plunger and lower barrel.
Note that the upper, soft-packed plunger always
strokes above the vent ports and holds back the
hydrostatic pressure above the pump.
9
HARBISON-FISCHER®
(Patent Number 7,458,787)
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Two Stage Hollow Valve Rod Pump
0
Gas Chaser Pump U n I Q
U e
0
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Gas Chaser PumpThe bet a-compreion
ratio in the eld
– Reduces gas locking due to a compound
compression ratio that can produce almostpure gas
– Versatile applications or deep or shallow wells
– Available in materials and surace treatments or
abrasive and corrosive conditions
The Harbison-Fischer Gas Chaser Pump is designed
or the very worst gas-locking problems that are
encountered in rod-pumped wells. It is similar in
design and theory o operation to the Two-Stage
Hollow-Valve Rod Pump and achieves a higher
compression ratio by using an absolute seal at thetop o the upper compression chamber. The Gas
Chaser Pump transers the fuid/gas mixture to the
upper compression chamber on the downstroke and
produces this fuid through the hollow upper plunger
on the upstroke. The highest compression ratio isachieved by spacing the pump rom the top.
HARBISON-FISCHER®
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Two Stage Hollow Valve Rod Pump
R e L I A
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Loc-No® Plunger Travel No-Loc Valve
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Loc-No®
PlungerThe etablihed olution
to a lockin
This simple plunger assembly solves the complex
problem o gas locking.– Diminishes gas locking with a mechanically-
opening traveling valve
– Long-wearing, hard inlay on sealing suraces
– Complete plunger assembly simplies installation
The Loc-No® Plunger is assembled with a hollow-
plunger sleeve, a center connecting rod, an upper
connector and a lower drop to seal against the
bottom o the sleeve on each upstroke o the
pump. It has two characteristics that enable it to
open on the downstroke without relying on pump
compression. The movement o the plunger rod
pushes the drop away rom the plunger sleeve,
and the riction between the plunger sleeve and the
inside o the barrel tube causes the plunger sleeve toresist downward movement.
Travel No-Loc Valve
Freedom rom a lockin orthe travelin-barrel pump
– Reduces gas locking with a mechanically-opening
traveling valve
– Long-wearing, hard inlay on sealing suraces or
long run times
The Travel No-Loc Valve is an adaptation o the
Harbison-Fischer Loc-No® Plunger concept or a
traveling-barrel-pump design. This device gives the
traveling-barrel pump an opportunity to work withoutgas locking while retaining all o the advantages o
a common traveling-barrel pump. Easily adapts to
the top o all traveling-barrel pumps.
HARBISON-FISCHER®
(carbide or hard acing)
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P R O b
L e m s O L V I n g
Sliding Top Valve
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Sliding Top Valve A imple and ecient olution
or a lockin andfuid-pound condition
A avorite accessory that helps your pump workmore smoothly and produce more fuid in gas lock-
ing and fuid-pound problem wells.
– Isolates hydrostatic pressure rom your
traveling valve to enable its opening in
gas-locking conditions
– Cushions fuid pound to avoid damage
to your pump
– Long-wearing, hard-bronze sliding sleeve
can be abrasion-resistant coated or tough
sand production– Easy pump conversion
– For insert and tubing pumps in all sizes
– Corrosion-resistant materials available
The Sliding Top Valve has a ree-foating, hard-bronze sleeve that rides up and down on the valve
rod in a steel housing. On the pumping downstroke,
the sleeve ollows the valve rod down and seals o
the hydrostatic pressure rom above by shutting o
the fuid-fow passages through the housing. This
simple action removes the hydrostatic pressure load
rom the traveling valve and allows it to open at
the beginning o the downstroke without the need
to build up a high pressure in the compression
chamber.
The Sliding Top Valve is also useul to cushion fuid
pound. A part o the downward orce that causes
the destruction associated with fuid pound is the
hydrostatic pressure above the plunger acting on
part o the plunger area. The Sliding Top Valve holds
back this hydrostatic head and thus reduces the loadon the plunger when it contacts the fuid.
HARBISON-FISCHER®
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Adjusta-Guide®
Adjustable Valve-Rod Guide
Back-PressureRegulator (BPR) P
R e c I s I O n
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Adjusta-Guide
®
Adjustable Valve-Rod Guide(Patent Number 6,996,248)
set your pump a preciely a your watch
– Reduce gas locking with this new ability to adjust
pump spacing in the shop or eld with a locknut
and threaded-valve-rod guide
– Various materials or corrosion available
The patented Adjusta-Guide® Adjustable Valve-
Rod/Pull-Tube Guide will allow precise spacing o
the plunger o the bottom o an insert-style sucker-
rod pump and thus gain the maximum compression
ratio. It has 1-1/2” o total valve-rod adjustment
(3/4” up or down).
Back-Pressure Regulator (BPR)
Keep your well rom fumpin– Isolated spring to reduce particulate plugging
– Holds pressure on the tubing to prevent
“fumping” (alternately fowing o or pumping in
gas conditions)
– Improves stung-box-packing lie by reducingproblems rom pumping dry when well fows o
The Back-Pressure Regulator uses an isolated-spring
design with open fow areas to reduce plugging
rom coal nes or other particulates. It increases
pressure sensitivity over conventional designs. The
BPR has been tested in scale, paran and coal nes
without clogging or degradation o perormance.
The maximum pressure rating is 2,500 psi and the
pressure-operating range is 10 psi to 1,000 psi at
up to 200° F.
HARBISON-FISCHER®
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Two Stage Hollow Valve Rod Pump
Gas Separator b e T T e
R s e P A R A T I O n
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Gas SeparatorRemove a beore it et
to your pump
– Separates gas rom fuid beore it gets to
the pump
– Reduces gas-locking and gas-intererence
problems
– Thin wall design gives better gas separation due
to a low gas-separation velocity
The Gas Separator is designed to assist with gas
separation in wells that are having gas-intererence
problems. It works similarly to a poor-boy-style gas
separator but has larger fow areas or more ecient
gas separation. You can either use the bull plug
on the bottom or the optional bushing that connectsto the Harbison-Fischer Purge Valve. Connection
threads are 2-7/8” EUE 8R.
HARBISON-FISCHER®
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0
Bypass SeatingNipple Tubing Purge Valve d
e P e n d A b
L e
0
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Tubing Purge Valveget the and out
– Dumps sand rom your mud anchor
– Simple, dependable design
The Tubing Purge Valve is used when fuids are
produced that contain both gas and sand. It is
installed on the bottom o the mud anchor below the
gas separator to replace the bull plug. The ball and
seat are held closed with a lightly loaded, corrosion-
resistant spring. When the high-pressure fuid surgeoccurs during the closing o the standing valve,
the Purge Valve ball pushes o its seat briefy and
“dumps” any sand or other particulates.
Bypass Seating Nipple(Patent Number 5,176,216)
A unique, cheap way to dipoeo produced water – downhole
– Simple installation and operation
– Long-lasting and low cost
– Use with any bottom-hold-down-style sucker-rod pump
– No adjustments
Produced water is disposed o in a lower packed-
o ormation by using the Bypass Seating Nipple
in conjunction with a casing packer. A rod pump
with a special hold-down/seal assembly is seated in
this special crossover-style seating nipple, which is
attached to the packer. As the rod pump is actuated
by the sucker rods, fuid is pumped rom the casing/
tubing annulus to the disposal zone.
HARBISON-FISCHER®
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U n c O
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ServiceHarbison-Fischer boasts a corporate philosophy
that delivers uncompromised customer service at
all times. From our 130-person eld sta to our
highly knowledgeable engineering sta, we
– support and problem-solve on a daily basis
– oer a level o expertise unmatched
in the industry
– continually provide sales support
– teach technical schools in the eld; and
– conduct regularly scheduled pump schools at our
acility in Crowley, Texas
Quality ControlOur manuacturing equipment, already themost advanced in the industry, allows us
to produce the highest-quality parts or our
customers. Each product is backed by a
quality system that has received both the ISO
900 :200 and API Q1 certications and bythe expertise o precision machine operators
who have an average tenure o over 13 years
with Harbison-Fischer.
Finally, to ensure that our customers receive the
“Best PumPs in the Oil Patch ”®, Harbison-Fischer has a ully-equipped metallurgical
lab staed by a degreed metallurgist. This
department evaluates our products as raw
material and work-in-process and, when
needed, perorms an analysis on any products
sent back rom the eld. Additionally, the
Research and Development department stays
on the cutting edge o rod-pump technology by
developing products in simulated downhole-
operating environments.
HARBISON-FISCHER®
1 8
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Q U A L
I T Y s
e R V I c e
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Harbison-Fischer is proud to bethe industry leader in service,quality and technology for more
than seven decades.
The ever-recognizable orange color o Harbison-Fischerproducts is a registered trademark o the company.
HARBISON-FISCHER®