20091111 Gas Well Dew Ate Ring With Hydraulic Jet Pump Lift Tech[1]
Transcript of 20091111 Gas Well Dew Ate Ring With Hydraulic Jet Pump Lift Tech[1]
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Presented by: Chris Lamberth, Operations Mgr.
5220 Hollywood Ave.
Shreveport, LA 71109(318) 636-6893 gaswelldewatering.com
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Providing artificial lift systems for the oil andgas industry
Exclusive distributor of JJ Techs patented lineof jet pumps in the ArkLaTx
Located in and providing sales and serviceout of Shreveport
Owned by experienced oil and gas operators
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1. Power fluid is pumped through a nozzle
2. Power fluid exits the nozzle at high velocity whichcreates a drop in pressure
3. The low pressure area created by the stream of fluidexiting the nozzle draws in formation fluid
4. The power fluid is combined with the produced fluid inthe mixing tube
5. The power fluid and produced fluid are slowed asvelocity is converted back to pressure in the diffuser
6. Power fluid and produced fluid exit the jet pumphousing and travel up the annulus
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1. Jet Pump Housing Run in with coil tubing or work over rig.Coated with Boron Carbide. Very corrosion and erosion resistant.
2. Standing Valve Ball and seat located in the bottom of thehousing. Keeps tubing string full when pump is not running.Allows carrier to be hydraulically retrieved.
3. Carrier Houses the nozzle and mixing tube. Small in size.Dropped down the tubing from the surface and pumped into placewhen well is put into production. Can be hydraulically retrieved orfished with wire line. Made of 17-4 Stainless steel.
3. Nozzle and Mixing Tube Primary components of jet pump.Various combinations of sizes depending on desired productionand other variables of the well. Extremely erosion resistant. Made
of Tungsten Carbide.
100% Made in America
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Casing
Jet PumpHousing
Packer
Traditionally in oil wells the jet pump wouldbe set above a packer
Power fluid is pumped down the tubingstring
Power fluid and produced fluid returns upthe annulus
Capable of producing over 10,000 bbl/day
A reverse flow model can be used to removefrac fluid in order to keep the frac sand fromgathering on top of the packer
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The jet pump has excellent gas handlingcapabilities
However in most gas well dewatering applicationswhere more gas is produced than liquid (very high
GLR) the jet pump becomes inefficient
In these cases it is necessary to prevent the gas
from entering the pump
This is accomplished by running concentric strings
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1. 2-3/8 or larger production tubing is run with aseating nipple and a perforated sub set below the perfs
2. The jet pump housing (1.6 OD) is configured with a
hold down seal assembly and a strainer nipple on thebottom
3. The jet pump housing is run on 1 or larger integral
joint or coil tubing and stabbed into the seating nipple
4. If no rat hole is available a down-hole gas liquidseparator or gas anchor can be used.
5. Pump housing must be set below the producing fluidlevel
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By collecting your well data and inputting it into thesoftware we are able to determine:
1. How much horse power will be required to reach your desiredproduction rate
2. What size surface pump is needed
3. The most efficient combination of nozzle and mixing tube to
run
4. Once the jet pump has been put into service we can use theprogram and see what the pumping bottom hole pressure is or
calculate a fluid level
5. After production has stabilized we re-evaluate the data to makesure that we are running the most efficient nozzle and mixing
tube combination
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Hydraulic Jet Pump Analysis
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No moving parts down-hole
Can be run in crooked, deviated, or horizontal
wells
Ability to produce sands and solids
Corrosion and erosion resistant
Ability to move large volumes of fluid (over 1000bbl/day with smaller slim-hole model)
Will not gas lock
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Power fluid can be treated with scale and corrosioninhibitors
Ease of serviceability (can be hydraulically retrievedby reversing flow)
Ease of optimization with use of software
Production rate can be adjusted by adjusting
down-hole pressure and rate
Continuous pull on formation designed to run 24/7
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The jet pump requires a surface pump and a cleansource of power fluid. Either produced water or oilcan be used as power fluid.
In most applications a pressurized vessel is used aspower fluid source. Fluid is pulled out of the vesseland pumped down the tubing. Power fluid andproduced fluid return from the well and back to thevessel. The excess fluid overflows out the top and issent down the sales line.
Surface pumps can range from 15 HP to 450 HPdepending on the number of wells pumped, desiredproduction rate, depth of well, and pumping bottomhole pressure.
Surface pumps can be electric or gas driven.
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AdvantagesHigh efficiencyAvailabilityEase of customization (plungers can besized to achieve desired pressure andvolume)Common in oilfield (easy to get serviced)
DisadvantagesLubricator is required for plungersValves and packing often wear whenrunning 24/7Leaking packing and lubricating fluid canbe messy
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AdvantagesLow maintenance
No lubricatorsrequired
Can be customized tomove extremely high
volumes of fluid
Good for runningmultiple wells off ofone pump
DisadvantagesLow efficiency
Availability
Only serviced bymanufacturer
Very expensive
This pump outputs 6400 bpd /3500 psi. It powers three jet pumps that have a combined production of 9000 bpd.
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JJ Tech holds a process patent for using a diaphragm pump with a jet
pump and is the exclusive provider of the ULTRA-FLO Production System
AdvantagesEconomical costHigh efficiency
Low maintenanceAvailability
Easy to service
DisadvantagesOnly available with 20-30 HP pumpsFlow rates limited to 1200 bbl/day
Pressure limited to 2500 psi
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T8045
80 Hydraulic HP
3000 psi max
1500 bbl/day
T8030
80 Hydraulic HP
4500 psi max
1000 bbl/day
Currently running prototypes. Expecting
to have production models Spring 2009.
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Horizontal James Lime Well
Periodically dropped soap sticksand shut in to help unload
Max production when flowingwas 10 bw/d, 90 mcf/d
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Set jet pump just above kick off
Configured with gas anchor (1
inside 3.5)
Producing 80 bw/d, 150 mcf/d
Have the ability to pump the welloff with the jet pump
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Input Data
COMPANY:......................Pinnacle OperatingWELL IDENTIFICATION:...............Cameron 3
PUMP DEPTH:..................................5050Feet
TUBING ID:..................................1.380InchesCASING ID.: ................................2.441Inches
BH TEMP.:.......................................170Deg F
GAS LIQ. RATIO:..........................25SCF/BBLPROD. RETURN:...............................Annulus
PROD. WATER GRAV: (Sp.Gr.):..............1.11
WAT. FRAC.: (50% = 0.50):......................0.90PUMPING BHP:..................................150psig
LEASE:............................................ConverseREPRESENTATIVE:.................................CBL
TUBING LENGTH TO PUMP:...........5050FeetTUBING OD: ...............................1.660Inches
POWER FLUID:.....................................Water
FLOWING WH TEMP.:.......................98Deg FDESIGN LIQ. PROD. RATE:.........80BBL/DAY
PRODUCED OIL GRAVITY:...................55API
PRODUCED GAS GRAVITY:....................0.65
SURFACE HYD. PRESS.:.................4000psigFLOWING WH PRESS.:.......................35psig
Date:: 10 - October - 2008= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Computed Output Data - English Units
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Pump
Size
A:1
Power
Press
psig
2380
PowerFluid Rate
bblpd
447
HorsePower
20
Non-Cav
Rate
bblpd
100
Prod.
Rate
bblpd
80
Pumping
Bot-hole
psig
150
Nozzle
Area
inches
.0055
ThroatArea
inches
.0143
Using a size A:1 nozzle and mixing tube combination 2380 psi and 447 bpd(20 HP) is required to produce 80 bpd when pump inlet pressure is 150 psi.
Producing Fluid Level Calculation:Hydrostatic Head Above Pump = 150 psi (pump inlet) 90 psi (casing) = 60 psiFluid Level Above Pump = 60 psi (head) / 0.466 psi/ft (gradient) = 129 ft.Producing Fluid Level = 5050 ft. 129 ft. = 4921 ft.
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Producing with Rod PumpPerfs: 9180 9242
TD: 9270
Casing: 7 (0-8900)4.5 (8900-9270)
Pump: 9200
Production: 90 bw/d, 20 mcf/d
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Pump: 8699
Tubing: 1.25 inside 2.875
Production: 200 bw/d, 200 mcf/d
J-100 triplex pump, manifold, and power fluid vessel
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Using a size B:2 nozzle and mixing tube combination 3518 psi and 946 bpd (62HP) is required to produce 200 bpd when the pump inlet pressure is 581 psi.
Producing Fluid Level Calculation:Hydrostatic Head Above Pump = 581psi (pump inlet) 80 psi (casing) = 501 psiFluid Level Above Pump = 501 psi (head) / 0.455 psi/ft (gradient) = 1100 ft.Producing Fluid Level = 8700 ft. 1100 ft. = 7600 ft.
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