Sometimes referred to as an eccentric screw pump or simply a cavity pump, a progressive cavity pump is a device that makes it possible to move fluid through a series of small chambers or cavities with the use of a rotor. Hpump surface pumping systems baker hughes, a ge company. Serving water and wastewater treatment, pulp and paper. They are also known as an eccentric screw pump due to the motion of the rotor. Announcing sanitary progressive cavity pump at pack expo 2019. One advantage for the operator is that such a valveless positivedisplacement pump is also capable of transporting stringy material safely. The rotor is usually constructed of a highstrength steel rod, typically doublechrome plated. Pcm ecomoineau m energy efficient progressing cavity pump.
No other software is capable of providing the level of detailed and indepth. These pumps are included in many of our systems with accurate precision dispensing achieved independent of media viscosity. Because while running a progressing cavity pump the torque value required by the pump is fixed. Please input your information and the appropriate person will contact you. It transfers fluid by means of the progress, through the pump, of a sequence of small, fixed shape, discrete cavities, as its rotor is turned. Protecting progressing cavity slurry pumps a progressing cavity pump consists of a single helix metal rotor that turns inside a double helix rubber stator.
The book also assures the continued expansion of the pc pump marketplace by helping to avoid some of the common mistakes made by manufacturers, pump suppliers and producers. Progressive cavity pump pcp petroleum production engineering, introduction, applications, pcp system components advantages disadvantages. A progressing cavity pc pump employs a positive displacement principle. Home products and services production artificiallift systems progressing cavity pump systems. A progressing cavity pump pcp is a positive displacement pump with an eccentric screw movement, which is used as an artificial lift method in oil wells. Seepex is a leading worldwide specialist in pump technology. Nemo progressing cavity pumps have a very broad application range and are used in all branches of industry for the continuous, pressurestable, gentle and lowpulsation conveyance of almost any substance. Unlike other pump technologies, the progressing cavity pump is a selfpriming pump with a suction lift up to 8.
The liberty ll6 series of progressive cavity pumps is offered in 3 different stages for discharge pressures of 75, 150, and 225 psi. High pressure progressive cavity pump manufacturers, pc. Designed with a highly modular and ecofriendly configuration, the pcm ecomoineau m is the first ecodesigned progressing cavity pump available on the market. The curves0511 gives the relationship between viscosity and torque per stage for each element. Our policy is one of continued development and therefore we reserve the right to amend any of the information contained in this. One of the major concerns has always been causing stator damage if the well is pumped off. Driven by rod strings from the surface, it is a simple, rugged and cheap equipment. Our progressive cavity pumps, macerators and control systems are used wherever low to highly viscous, aggressive or abrasive media must be conveyed at low pulsation rates. Progressing cavity pumps cholet henri wittrisch christian. Extend run life with simple design and rugged construction. This pcp gathers a lot of advantages including reduced space requirements, reduced life cycle costs, simplified servicing. Seepex is expanding its line of sanitary progressive cavity pumps with the new bcf range. Serving water and wastewater treatment, pulp and paper, specialty chemical and oil and gas recovery industries. Its main purpose is to assist the oil and gas producer in achieving a successful installation and operation of the progressing cavity pump.
The progressing cavity pump is very rarely applied on a fluid with a viscosity of 1 and there is an added torque, which is dependent on the viscosity of the fluid and the size of the pump. Pumps can be supplied to comply with the atex directive 949ec. The most common prevention is to ensure that there is a substantial amount of fluid level above the pump. The flowrox eseries progressive cavity pumps were conceived by utilizing flowroxs extensive experience in progressing cavity pump service and spare parts production as well as the knowledge gained from our innovative peristaltic pump range. The progressing cavity pump is a positive displacement pump with a helical rotor spinning inside a fixed stator, forming cavities that lift the fluid, including viscous fluids and fluids with high sand cut or a large percentage of free gas. This type of action makes it possible to control the flow of the liquid in a manner that ensures that the progress of the flow is consistent and easily managed. Nemo progressing cavity pumps have an extensive industrial application range for the continuous, pressurestable, gentle and lowpulsation conveyance of almost any substance. The rotor forms a single helix like a corkscrew and rotates eccentrically in the stator. Liberty process equipment progressive cavity downloadable. A typical pc features a suction inlet which feeds into an elongated casing. Gear pump engineering documents are available for download in pdf format. Operating and assembly instruction progressive cavity pump.
The epub is designed specifically for use on apple ios devices. Please use the curves to select the pump specific to your application. The information, specification and illustration are this manual is intended as a guide for the selection, operation and routine maintenance of protex downhole up to date at time of printing. Narrative biography jose gamboa is a staff member of research. Model for performance prediction of progressive cavity pumps. Analysis and prediction of fluid flow behavior in progressing cavity pumps. Assists the oil and gas producer in achieving successful installation and operation of the progressing cavity pump. To install i handbook, you will need administrator privileges on your computer and will need to run the installer as an administrator. Whether for sludge, chemical substances, adhesives, petroleum or yogurt, we can meet your requirements with the proper combination from our selection of eleven netzsch pump types, four rotorstator geometries and our. As the discharge capacity of the pump is constant for a given speed of rotation and pressure, accurate dosing or metering of the product can be achieved. Since 1980, progressing cavity pumps have been widely used in the production of heavy oil well containing sand and gas. Datasheets for progressing cavity pumps progressing cavity pumps are a type of rotary positive displacement pump designed to transfer fluid or media with suspended solids or slurries from the suction side of the pump to the discharge side of the pump, from storage tanks or through pipelines.
In addition to our patented split suction chamber weve removed the tie bars, designed a new positive torque split coupling rod, and added in a captive support foot. Progressive cavity pumps have similar characteristics to rotary or reciprocating pumps, such as piston, diaphragm, lobe, and screw pumps. For the newest iteration of our ezstrip maintaininplace progressing cavity pump we designed new features to make maintenance even more user friendly than before. This forms a series of pockets that traverse the length of the pump, gently pushing fluid from the suction to the discharge in a smooth, pulseless stream. Also, depending on the running speed required, a constant hp vfd may not be capable of supplying the torque needed for pump startup. The acceptance of progressing cavity pumps in the oil and gas industry has grown throughout the world. Pdf analysis and prediction of fluid flow behavior in. A progressing cavity pump is a positive displacement pump employing a rotor and stator assembly to create temporary chambers to draw fluid into, which progress through the pump resulting in the fluid being expelled through the discharge port.
Progressive cavity pump, eseries technical data sheet. A progressive cavity pump is a type of positive displacement pump and is also known as a progressing cavity pump, progg cavity pump, eccentric screw pump or cavity pump. Pumps and pump parts offered for sale by liberty process equipment, inc. Progressing cavity pump systems weatherford international.
The progressing cavity pump is a recent innovation in petroleum production. Progressive cavity pump if you are looking for high pressure progressive cavity pump manufacturers, pc pump then your search ends with one of the leading industrial pumps supplier roto pumps, which offers finest pumping solutions for all the industrial applications in the best possible way. Downhole pcp systems provide an efficient lifting method for heavy oil wells producing under cold production, with or without sand. Plant engineering understanding progressive cavity pumps. Moyno manufactures progressing cavity pumps, positive displacement pumps and sludge pumps. Progressive cavity pump pcp petroleum production engineering. Hpump horizontal surface pumping systems sps offer longer run life and lower maintenance costs than positive displacement and progressive cavity pumps. The progressive cavity pump pcp is a positive displacement pump, using an eccentrically rotating singlehelical rotor, turning inside a stator. Maintenance and troubleshooting of progressing cavity pumps. Progressive cavity an overview sciencedirect topics. The one common feature being the sealed cavities with operational similarities like being able to pump at extremely low rates, to. The stator is a resilient elastomer in a doublehelical configuration molded inside a steel casing.
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