• i I %'~ 1 i PCM PCMMOIN~AU OllflnO PCP basic set up • • • DRIVE HEAD (see chapte, 61 TUBING SUCKER RODS {see chapte, 41 STOP BUSHING Isee chapte, 41 • , DRIVE (see chapter 51 CASING ROD CENTRAlIZERS (see chaple, 4) ROTOR (see chaple, 31 STATOR (see chaple, 3) TORQUE ANCHOR (see chapter 41 TC/OIl/SETUP/A OI/OI.QO 1/1
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General CharacteristicsThe various pump models belong to faur series, eaeh having a speeifie autside dio meter.
Series are designated by the size af the statar thread:
- API EUEthread for 2 3/8", 2 7/8" and 3 1/2" series, and- NU thread far 4" series.- CASING thread for 5" series.
Models are designated by two numbers ; an appraximation af the f1awrote in m3/ d at 500 rpm and zerahead and the nominal head roting in m.
For example, Pump model 300 TP 1800:
. Flow rote: 300 m3/ d (1887 bfpd) at 500 rpm and zera head.- Head rating: 1800 m (5900 ft).
Various pump models in a sorne serie.
I,II,II,,
I,t
I,II,II,II,I,
-tHighheodpump
180 TP 3000
-.---,-oInter-
mediolepump
300 TP 1800
----'-@terge
capacitypump
600 TP900
-.
0)200 TP600b) 200 TP 1200e) 200 TP 1800
Characteristics of Pumps in the Same Serie
Within the same series, there are sub-series in whieh the dif-ferent models hove the same flow rote, but diflerent headrotings. This is the case, for example, of the following 3 1/2"sub-series:
Exeept for their lengths, these models hove identieal geome- P,tries and, therefore, the same f10wrote, but they hove difle-rent numbers of stages . Models "b" and "e" are respectivelyequivalent to 2 and 3 elementary models "a" mounted inseries. Their head rotings, proportional to their numbers ofstages, are respeetively double and triple that of "a".
Likewise, in a given serie there are models of same length,but with diflerent pitehes. The model with the longest pitehhas the largest flow rote (proportional to the piteh), but thelowest head rating (number of stages inversely proportionalto the pitch) if the length is the same, and vice-versa.
This example illustrotes why, for a given pump size (Iengthand outside diameter), one must eompromise between f10wrote and head rating.
•
•TC/OIl/SPECI/A 01/01-00 1/2
--- -- -- ------- -- -- ----
i IW~I I
PCMPCM Pump specifics
•Remarks on pump sizes:
al AlI rotors are made 01 a single piece, or can be welded to achieve lenglh longer Ihan 9 m.
b) In 011 models, the totallength 01 Ihe rolar exceeds thal 01 the slator by 45 to 50 cm (1,5 ft): this is Ihelength the head 01 the rolar must be jutting oul lrom the stator when the rotor is carrectly spaced out(reler lo chapler 8: installatian).
c) Stators are manulactured in elemenls al 3 m maximum length. Pump models longer Ihan 3 m hove sla-lors made 01 2, 3 elements, or 4 elemenls. These elements are connected with greal care and preci-sion in the lactory: under no circumslance must torque be applied to any 01 the couplings used lar Iheconneclions.
d) For a given pump model, stalor elemenls are made Irom Ihe same core (similar to a two-Iobe rotor,the prolile 01 which can be delined as the "negalive" 01 Ihe slator inner prolile) and, therelore, those •made wilh the same elastomer are 011 idenlical.
High Capacity Pumps (ML series)
Mosl PCM pumps are 01 1,2 conliguralion. However, some Jorge capacity models, 840 ML 500, 1000and 1500, are the exceplion la this rule: by their oulside diameter these models belong lo the 4" series,but they are 01 2,3 conliguralian (reler lo chapler 11: principie 01 the PCM Moineau pump).
•
•TC/OIl/SPECI/ A o l/O l-CO 2/2
...•--'1%'~I •
• PCM P 35 _92 173 Von~ Cedex France17 rue Err.esr !.ovol . BTek- 034 1'}Q F Fo_1331 1 41 08 15 QQ
Tell331 1 4 t 08 15 15 -~mo;l'o¡I¡';pc-"'PC)lTlI~~,:::omh-rp II'NW'N pl:",p:)!Tlpe!>.(om
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Use of Performance charts
PCMMOIN~AUOllflUO
Performance charts
•
•
•
The seal between cavities is never perfecto The differential pressure between consecutive cavities of a PCPproduces a downward slippoge of the fluid. The higher the head the pump must overcome, the larger theslippage.
The table gives the flow rate at 500 rpm and zero head. Toget the actual f10wrate of a pump in opera-tian, one must take into account the head, which generates slippage. The performance charts (one perpump modell take the head into account and indicate how the f10wrate varies as a function of both speedand head. They can be used also to evaluate the power required. Hereafter the chart for the 300 TP1800. The vertical scales indicate the f10wrate in m3Id and bfpd. The horizontal scale indicates the speedin rpm.
The chart includes two sets of straight lines:
al Parallellines, which indicate the relation of f10wrate vs. speed for various values of head. The zero-head line goes through point O (no slippage, f10wrate exactly proportional to speed).
b) Dashed lines, which are used to estimate the power required at the drive shaft .
Example (see next pagel
al Determination of speed as a function of f10wrate and head:
- to lift 200 m3/d (1250 bfpdl against a head of 1500 m (5000 ft), the required speed is 365 rpm.- the graph shows that, for a given f10wrate, a higher head would require a higher speed (the slip-
page increases with the head).- likewise, it is c1ear that, al constant speed, the f10wrate increases when the head decreases.- the fact thal the lines are parallel demonstrates that the slippage is a function of head only and is
independent of speed.
b) Evaluation of the power required at the drive shaft:
- the dashed lines are related to various values of head .- in this example, the graph indicates a power of 75 HP.- it is c1ear that the power required increases with lhe f10wrate and with the head.
TC/OIl/CHART/A 01/0].00 1/3
I 1%'~I I
PCMLimitations of the Performance Charts
Performance c~art5- .
As 011pump performance charts, these charts assume the fluid is 100 %water. They can be used for c10seappraximatian for f1uidsof low viscosity (high water cut and/or medium to high API gravity crude) pro-vided the hydrostatic head be evaluated taking the crude density into account.
On the other hand they should not be used, or else should be used with great care, in the following cases:
al Presence of free gas at pump level (non-negligible GLR): the actualliquid flow rote is, then, less thanthat indicated by the chart.
bl Fluid of high viscosity: the pressure 1055in the tubing is no longer negligible and the viscous fluid dragon the rod string is no longer negligible either ; both effects require additional power, which is notaccounted for in the chart. •
In both cases aboye, the correct determination of f10w rote and power must be done using the PCMdesign progrom "Winpetro".
Hydraulic Efficiency
Hydraulic Efficiency is, by definition, the rotio of the f10wrote at given speed and given head to the f10wrote at same speed and zero head.
At zero head, there is no slippage. The f10wrote is the maximum for the given speed and equal to thedisplacement of the pump multiplied by the number of rotations. The efficiency is then, by definition,100%.
To soy that an efficience ;5 over 100% is meaningless: in actual conditions, there is always more or lessslippage, and the efficience is always below 100%.
The efficiency of a pump depends on its speed and on the hydraulic head. The performance chart deter-mines its rating.
The slippage is independent from the speed and, as a consequence, at constant head the efficiencyincreases with the speed.
121 Stoge defined os equivolenllO one pitch length of $totor
COMPATIBILlTY PUMP-ROD- TUBING (1 )
Tubing size Roo size and Radiol c1eorance Requirement ForMax. weight type of lower between tubing and tubing'stotorMin.I.D. coupling red-rotor conne<:tion conneetion
23/8" 3/4" ,h. 2.95 mm 7/64'
4.70Ib,/k 27/8" x 4' pup joint ond
50.7 mm 2.0 in 3/4' "d ar 7/8" '.h. 1.3 mm 3/64' ane 2 3/8" x 2 7/8"eros!> over
27/8" 3/4" "d 6.9 mm 17/64"
6.50Ib,/k 7/8" "d 4.6mm 11/64'
62.0 mm 2.44 in 1" s.h. 2.2 mm 5/64'
31/2" 3/4' "d 13.9mm 35/64"
9.30Ib,/k 7/8" "d 11.6 mm 29/64"
76.0 mm 2.99 in 111 std 6.8mm 17/64"
• (1) ossuming tubings ore EUE
Importanl recommendohon : never use o rod centrolizer 01 top of rolor
TC/OIl/BOl?1600/ A Ol/O I.QO 1/2
-i 1%'~I iPCM
m3/d blpd
TC/OIl/BOTPI600/A 01/01-00 2/2
Performance chart 80 TP 160~ •SHAFT HP
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•
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PCMMOINfAU OllflflD
•
•
--- --- --- ----------------------
Specifications 60 TP 1300ISO60/13
ROTOR PUMP ASSEMBL y
TOTAllfNGTH 4100m 13'5.4" NbO' STAGES(2) 28
LENGTHOF HEUX 3,810 m 12'6" HEAD CAPABllITY 1300 m 4250 "
(REST TO (REST DIAM (11 4-4.0 mm 1.73" DI$PlACEMENT 90.2 ce
HEAD ~AM(II 44mm 1.73" CAPAClTY PERRPM 0.13m3/d 081 bpd
Nb o, ELEMENTS 2 STAND.OfF LENGTH 0.3 m 1"lENGlH 3480 m 11'5"
OD. 9Amm 3.70"
THREADS 2"7/8 EUEmole
11llarge~1 01 !he two i$ rolor 0.0(2) S'oge defined os equivalent to one pitch length of stotor
COMPATIBILlTY PUMp.ROD. TUBING (1 )
Tubing size Rod size and Radial c1eorance Requirement forMax. weight type of lower belween tubing ond tubing-statorMin.I.D. coupling rod-rotor connection connection
27/8" 7/8" ,Id 2 mm 1/12"
6.50Ib,lk 7/8" '.h. or 3/4" ,Id 4.3 mm
62.0 mm 2.44 in
31/2" 7/8" ,Id 9mm 11/32"
9.30Ib,lk 1 ti std 4.2mm 5/32"
76.0 mm 2.99 in
• (11 ossuming tubing$ ore EUE
Importont recommendotion : never use o rod cenlrolizet" al lap of rotor
Nb OF ELEMENTS 4 STANDOFF LENGTH O.3m l.LENGTH 6.969 m 22'10,35"
0,0, 9Amm 370"
THREADS 2"7/8 EUEmale
(' Ilargest of me two is rolor O.D
(2) 510ge defined os equivolenllo one pitch length of slotor
•COMPATlBILlTY PUMP-ROD-TUBING (1)
Tubing size Roo size and Radial c1earance Requirement farMox. weight type of lower between tubing and tubing-statarMin, 1.0, coupling rod-rotor connection connection
27/8" 3/4" "d or 7/8" "h, negative 3 1/2"' x 4' pup joint ond
6,50Ib,/k one 2 7/8",31/2"
62,0 mm 2.44 in cross over
31/2" 111 sh 6.6mm 1/4"
9,30Ib,/k 1" sld 4.2mm 5/32"
76,0 mm 2,99 in I 1/8" ,Id 1,8 mm 1/16" 4" x 4' pup joint andone 2 7/8",4"cross over
{1J assuming tvbings ore fUE
lmportenl recommendalion : never use a rOO eentralizer al top 01 rotor
•TC/OIL!60TP2600/A OI/OIDO 1/2
U~00"10/10 V/0090dl09/110/::>l
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PCMMOIN~AUOllflnO
Specifications 100 TP 1200
17 rue bnesl lavoJ. BP 35 . 92173 Yanve$ Cedex FronceTp.11331IdI0815!5 Te'e.Cl34 1291 FOJ1331141081:.,,99h!lp !IW"N'o',_pcrnrorl\pe~.(Cf" lmo,l'c,IQ(JL'nporrpes e'1m
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PCM•ISO 100/12
•
ROTOR PUMP ASSEMBL y
TOTAL LENGTH 5.700 m 18'8.4" Nb Of S!AGES (21 13
lfNGTH Of HEUX 5.480 m 17'11.75" HEAD CAPABllITY 1200 m 4000 h
(RES! 10 (RES! OIAM (1J 43.0mm 1.69" DISPLACEMENT 150 ce
LENGTHO, HEUX 8,110 m 26'7.29" HEAD CAPABIUTY 1800 m 5950 k
CRESl 10 CRESl DlAM (11 43.0 mm 1.69~ DlSPLACEMENT l50cc
HEAD OlAM (1) 50 mm 1.97" CAPACITY PER RPM 0.216 m3/d 1.36 bpd
THREAD 1 3/S'A~ 1" red VOlUME Al 500 RPM lOS m3/d 6S0 bpd
0.0. 9.:1mm 3.70"
STATOR STOP BUSHING
Nb Of ELEMEN1S 3 STAND.OFF LENGlH 0.3m 1 k
lENGTH 7,830 m 25'S 3"
0.0. 94 mm 3.70"
THREADS 2"7/8 EUEmole
(lllorge~1 of the """'0 is rolar 0.0.
(21Stoge defíned o~ equivolenlla one pitch length of ~lotor
COMPATIBILlTY PUMP-ROD- TUBING (1)
Tubing size Red Soizeond Radial cleorance Requirement forMox. weight type 01 lower between tubing ond tubing-stotorMin.l.O. coupling red-rotor connection connection
27/8' 1" std negotive 3 1/2' x 4' pup jo;nt ond
6.50Ib,/h one 2 7/8" x 31/2"
62.0 mm 2.44 in croSosover
31/2" l' ,h 5.6mm 7/32"9.30Ib,/h76.0 mm 2.99 in 1" ,Id 3.2mm 1/8"
11) ossuming tubing~ ore EUEImfX)rtontrecommendotion : never U$C o red cenlrolizer ollap of rotor
TC/OIl/l00TPI800/A OI/OIDO \/2
i I%'~1 I
PCM. - ---
Perlonnance chart 100 TP 1800 •
•
•
o
10
60
500RPM
SHAFT HP
200100oo
40060
•300
3040
200
20
100
80 500
20
600
7001
1
100
m3/d bfpd
120
TC/OIl! IOOTP1800/ A 01/0 I.Q() 2/2
PCM MOIN~AUOllflUOi ~
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• PCM17 fve Emp..•.•l lavol - BP 35 - 92173 Van~-esCeJex France
THREAD 1 3/8'API In roc! VOlUME AT 500 RPM 240 m3/d 1500 bpd
0.0 94 mm 3.70'
STATOR STOP BUSHING
Nb OF ElEMENTS 3 STAND-OfF lENGTH 0.3 m 1 "LENGTH 7.830 m 25'83"
OO. 94 mm 3.70'
THREADS 2"718 EUE mole
(11 Lorge~t 01 tOe I"wo is rolor 0.0
(21 Slage de~ned os equivalenl to one pitch length of $lotor
•COMPATIBILlTY PUMP-ROD- TUBING (1 )
Tubing size Rod size and Radial c1earanee Requirement forMax. weight type 01 lower between tubing and tubing-~tatorMin. LO, eoupling roo-rotor connection eonnection
27/8" 1" s,h, negative 3 1/2" x 4' pup join! ond
6.50 lbs/k one 2 7/8" x 31/2"
62,0 mm 2A4 in eross over
3 1/2" 11• sh 5mm 7/32"9,30 lbs/k76,0 mm 2,99 in 1" std 3,2 mm 1/8"
(11 ossuming tubings are EUE
Importonl recommendOliOl1 : never use o rod eentrofizer al lop of rotor
•TC/OIl/240TP900/A 01/01-00 1/2
i I%'~I i
PCM Performancechart 240 TP900 •
SHAFT HP
•
800120
60 •600
5080
40400
30
2040
200
10
O •O
o 100
1400
160 1000
1200
240
200
TC/OIl/240TP900/ A o l/O 1-00 2/2
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PCMMOIN~AUOllflflO
Specifications 120 TP2000ISO 120/20
PUMP ASSEMBL y
Nb o, STAGES (21 37
HEAD CAPABIUTY 2000 m 6600 "
DISPlACEMENT 170 ce
CAPAClTY PER RPM 0.244 m3/d 1.53 bpd
VOlUME Al 500 RPM 122 m3/d 767 bpd
0.0. 108 mm 4,25"
STOP BUSHING
ROTOR
TOTAllENGTH 6.570 m 21'6.7"
LfNGTH Of HEUX 6.380 m 20' 11.1 B'
CRESTTO CRESTOIAM 11) 51.0 mm 2,01"
HEAO OIAM 111 52.0 mm 2.05"
THREAD 1 3/B'A~ 1" rod• STATOR
Nb Of ElEMENTS 3
lENGTH 6.100m 20'02'
0.0. lOa mm '.25"
THREADS 3"1/2 EUEmole -
11) lorge~t of the two h rotor 0.0.
(2) Stoge defined m equivalenl lo one piteh length of stotor
srANO-OFF lENGTH O,3m 1 "
•
•
COMPATIBILlTY PUMP-ROD-TUBING (1)
Tubing size Red size and Radial dearonce Requirement far
Mox. weight type of lower between tubing ond tubing-stotorMin, 1.0, coupling roo-rotor connection connection
27/8" 1" shor 1" std negative 3 ¡/2" x 4' pup ¡oinl ond
6,50 Ibs/ft one 2 7/8" x 31/2"
62,0 mm 2.44 in cross over
31/2" 1" sh 4mm 5/32"9.30Ibs/ft
76.0 mm 2.99 in
1" std 2,2 mm 5/64"
4" 1" std 9,2 mm 23/64"
9,50Ibs/ft
90.1 mm 3.56 in
(1 J o~~um¡ng ItJbi"9~ ore EUE
Importanl recammendotion : never U!>e a roo centrolizer 01 lap of rotor
TC/OIl/120TP2000/ A 01/0 I'()() 1/2
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PCM
mJ/d bfpd140
800
120
700
100
600
80 500
40060
300
40
200
20100
oo
TC/OIV 120TP2000/ A o l/O 1.00 2/2
Performance chart 120 TP 2000 •
SHAFT HP
•
•
•
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PCM MOIN~AUOllflUO
Specifications 120 TP2600ISO 120/26
•
•
•
ROTOR PUMP ASSEMBL y
TOl Al LENGTH 8.605 m 28'3.66" Nb O' STAGES (21 50
LENGTH OF HEUX 8.415 m 27'8.15" H£AO CAPABIUTY 2600 m 8600 k
CRESTro CRESTDIAM (11 51.0mm 2.01" DlSPLACEMENT 170 ce
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