Abstract

The performance of a multistage electrical submersible twin-screw pump (ESTSP) was evaluated under different operating conditions. The effect of working fluid, differential pressure, gas volumetric fraction (GVF), and pump rotating speed on the behavior of the ESTSP has been studied. Mineral oil and water were selected as test liquids. The pump was tested with a maximum differential pressure of 1000 psig. The GVF varies from 0% to 85%. The flow rate capacity and the volumetric efficiency were investigated in this research. An existing model to predict leakage flow of the single stage twin-screw pump is improved by extending the application for the multistage pumps. The model shows good agreement with experimental data under various operating conditions.

References

1.
Vetter
,
G.
, and
Wincek
,
M.
,
1993
, “
Performance Prediction of Twin-Screw Pumps for Two-Phase Gas/Liquid Flow
,”
Pumping Machinery, Fluid Engineering Conference (FED)
,
Washington, DC
,
June 20–24
,
154
, pp.
331
340
.
2.
Singh
,
A.
,
2003
, “
Modelling of Twin-Screw Multiphase Pump Performance During Periods of High Gas Volume Fraction
,” MS thesis,
Texas A&M University
,
College Station, TX
.
3.
Martin
,
A. M.
,
2003
, “
Multiphase Twin Screw Pump Modeling for Oil and Gas Industry
,” Ph.D. thesis,
Texas A&M University
,
College Station, TX
.
4.
Chan
,
E.
,
2006
, “
Wet-Gas Compression in Twin-Screw Multiphase Pumps
,” Master thesis,
Texas A&M University
,
College Station, TX
.
5.
Xu
,
J.
,
2008
, “
Modelling of Wet Gas Compression in Twin Screw Multiphase Pump
,” PhD thesis,
Texas A&M University
,
College Station
.
6.
Kroupa
,
R.
,
2011
, “
Investigation of a Multiphase Twin-Screw Pump Operating at High Gas Volume Fractions
,” MSc thesis,
Texas A&M University
,
College Station
.
7.
Patil
,
A. R.
,
2013
, “
Performance Evaluation and CFD Simulation of Multiphase Twin-Screw Pumps
,” Ph.D. thesis,
Texas A&M University
,
College Station
.
8.
Morrison
,
G.
,
Patil
,
A.
, and
Cihak
,
D.
,
2012
, “
Evaluation of a Twin Screw Pump for Use in High Gas Volume Fraction Flows
,”
ASME Fluids Engineering Summer Meeting
,
Puerto Rico
,
July 8–12,
pp.
1
9
.
9.
Morrison
,
G.
,
Kroupa
,
R.
,
Patil
,
A.
,
Xu
,
J.
,
Scott
,
S.
, and
Olson
,
S.
,
2014
, “
Experimental Investigation of Wellhead Twin-Screw Pump for Gas-Well Deliquefication
,”
Oil Gas Facil.
,
3
(
2
), pp.
73
80
. 10.2118/159910-PA
10.
Patil
,
A.
, and
Morrison
,
G.
,
2018
, “
Performance of Multiphase Twin-Screw Pump During the Period of Wet-Gas Compression
,”
SPE Production & Operations
,
33
(
1
), pp.
68
72
. https://doi.org/10.2118/186099-PA
11.
Vetter
,
G.
,
Wirth
,
W.
,
Korner
,
H.
, and
Pregler
,
S.
,
2000
, “
Multiphase Pumping with Twin-Screw Pumps- Understand and Model Hydrodynamics and Hydroabrasive Wear
,”
17th International Pump User Symposium
,
Houston, TX
,
Mar. 6–9,
pp.
153
170
.
12.
Nakashima
,
C.
,
Oliveira
,
S.
, and
Caetano
,
E.
,
2002
, “
Thermodynamic Model of a Twin-Screw Multiphase Pump
,”
Engineering Technology Conference on Energy
,
Houston, TX
,
Feb. 4–5
, pp.
877
885
.
13.
Nakashima
,
C.
,
Oliveira
,
S.
, and
Caetano
,
E.
,
2004
, “
Thermo-Hydraulic Model of a Twin-Screw Multiphase Pump
,”
International Mechanical Engineering Congress and Exposition
,
Anaheim, CA
,
Nov. 13–19
, pp.
251
260
.
14.
Feng
,
C.
,
Yueyuan
,
P.
,
Ziwen
,
X.
, and
Pengcheng
,
S.
,
2001
, “
Thermodynamic Performance Simulation of a Twin-Screw Multiphase Pump
,”
Proc. Inst. Mech. Eng., Part E
,
215
(
2
), pp.
157
163
. 10.1243/0954408011530406
15.
Martin
,
A. M.
,
2003
, “
Multiphase Twin Screw Pump Modeling for Oil and Gas Industry
,” Ph.D. thesis,
Texas A&M University
,
College Station, TX
.
16.
Prang
,
A.
, and
Cooper
,
P.
,
2004
, “
Enhanced Multiphase Flow Prediction in Twin-Screw Pumps
,”
Proceedings of the 21th International Pump Users Symposium
,
Baltimore, MD
,
March 8–11
, pp.
69
76
.
17.
Rausch
,
T.
,
Vauth
,
T.
,
Brandt
,
J.-U.
, and
Mewes
,
D.
,
2004
, “
A Model for the Delivering Characteristic of Multiphase Pumps
,”
Multiphase Technology, 4th North American Conference
,
Banff, CA
,
June 3–4
, pp.
313
327
.
18.
Rabiger
,
K.
,
Maksoud
,
T.
, and
Ward
,
J.
,
2006
,
Thermo- and Fluid Dynamic Model of a Multiphase Screw Pump, Operating at Very High Gas Volume Fractions
, Vol.
35
,
Georg-Simon-Ohm-Fachhochschule
,
Nuremberg, Germany
, pp.
1
18
.
19.
Rabiger
,
K.
,
Maksoud
,
T.
,
Ward
,
J.
, and
Hausmann
,
G.
,
2007
, “
Investigation of the Fluid Dynamic and Thermodynamic Behaviour of Multiphase Screw Pumps Handling Liquid/Gas Mixtures with Very High Gas Volume Fractions
,”
Proceedings of the 13th International Conference on Multiphase Production Technology
,
13
, pp.
91
104
.
20.
Rabiger
,
K.
,
Maksoud
,
T.
,
Ward
,
J.
, and
Hausmann
,
G.
,
2008
, “
Theoretical and Experimental Analysis of a Multiphase Screw Pump, Handling Gas-Liquid Mixtures with Very High Gas Volume Fractions
,”
Exp. Therm. Fluid. Sci.
,
32
(
8
), pp.
1694
1701
. 10.1016/j.expthermflusci.2008.06.009
21.
Brennen
,
C. E.
,
2005
,
Fundamentals of Multiphase Flow
,
Cambridge University Press
,
Pasadena
, pp.
220
246
.
22.
Liu
,
P.
,
Patil
,
A.
, and
Morrison
,
G.
,
2018
, “
Multiphase Flow Performance Prediction Model for Twin-Screw Pump
,”
ASME J. Fluids Eng.
,
140
(
3
), p.
031103
. https://doi.org/10.1115/1.4038080
You do not currently have access to this content.