Method, and associated system, computer program and use, of controlling working range of a pump bellows, including maximum limitations such as maximum retracting position and maximum extension position of the bellows, the method comprising the steps of: a) reading at least a first position of a bellows (6′, 6″) in a closed hydraulic loop volume using at least one position sensor (12′, 12″), g) transmitting a first position signal representing the first position to a control system, h) wherein the control system, based on the at least first position signal: c1) determines the position of the bellows (6′, 6″) represented by the at least first position signal, c2) compares the position of the bellows (6′, 6″) with a predetermined bellows position operating range, and c3) if the position is outside the predetermined bellows position operating range, instructs an oil management system valve (16′, 16″) allowing a dual acting pressure boosting liquid partition device (2) to recalibrate the hydraulic fluid volume in the closed hydraulic loop volume to re-establish a hydraulic fluid volume that causes the at least first position to return to a position within the predetermined bellows position operating range.
F04B 9/105 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting liquid motor
F04B 45/02 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
F04B 43/113 - Pumps having fluid drive the actuating fluid being controlled by at least one valve
F04B 49/02 - Stopping, starting, unloading or idling control
A dual acting pressure boosting liquid partition device (2) and system, including a hollow cylinder housing (20) having a longitudinal extension, the cylinder housing (20) having at least a first part and a second part having a first transverse cross sectional area (a1) and a third part having a second transverse cross sectional area (a2) of different size than the first transverse cross sectional area (a1), a rod having a cross sectional area corresponding to the first transverse cross sectional area (a1), the rod further having a protruding portion (30) having a cross sectional area corresponding to the second transverse cross sectional area (a2), and the protruding portion and the third part of the cylinder housing (20) defining a first outer chamber (44′) and a second outer chamber (44″).
F04B 5/02 - Machines or pumps with differential-surface pistons with double-acting pistons
F04B 45/02 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
F04B 9/105 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting liquid motor
F04B 43/02 - Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
F04B 43/113 - Pumps having fluid drive the actuating fluid being controlled by at least one valve
F04B 53/14 - Pistons, piston-rods or piston-rod connections
3.
Pressure transfer device and associated system, fleet and use, for pumping high volumes of fluids with particles at high pressures
The invention relates to pressure transfer device, system comprising the pressure transfer device, a fleet comprising the system and use of a pressure transfer device for pumping fluid at pressures above 500 bars, the pressure transfer device (1′, 1″) comprising a pressure chamber housing (1′, 1″) and at least one connection port (3′, 3″), the at least one connection port (3′, 3″) being connectable to a dual acting pressure boosting liquid partition device (2) via fluid communication means (26′, 27′; 26″, 27″), the pressure chamber housing comprises: - a pressure cavity (4′, 4″) inside the pressure chamber housing, and at least a first port (5′, 5″) for inlet and/or outlet of fluid to the pressure cavity (4′, 4″), - a bellows (6′, 6″) defining an inner volume (7′, 7″) inside the pressure cavity (4′, 4″), and wherein the inner volume (7′, 7″) is in fluid communication with the connection port (3′, 3″), wherein the pressure cavity (4′, 4″) has a center axis (C′, C″) with an axial length (L) defined by the distance between the connection port (3′, 3″) and the first port (5′, 5″) and a varying cross sectional area over at least a part of the axial length (L), and wherein the bellows (6′, 6″) is configured to move in a direction substantially parallel with the center axis (C′, C″) over a part of the axial length (L) of the pressure cavity (4′, 4″).
F04B 15/02 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F04B 15/04 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
F04B 37/12 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for special use to obtain high pressure
F04B 43/02 - Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
F04B 43/00 - Machines, pumps, or pumping installations having flexible working members
F04B 45/033 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows having fluid drive
F04B 47/00 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
37 - Construction and mining; installation and repair services
Goods & Services
(1) High pressure pumps for well stimulation; pump systems for well stimulation comprising pumps for liquids under high pressure (1) Installation, repair and maintenance of pumps and pump systems comprising pumps.
37 - Construction and mining; installation and repair services
Goods & Services
Positive displacement pumps for pumping liquids and sand for use in oil or gas well fracturing operations; pump systems comprising a hydraulic drive system and pump units for pumping liquids under high pressure for use in oil or gas well fracturing operations Installation, repair and maintenance of pumps and pump systems comprising pumps for liquids and sand under high pressure for use in oil or gas well fracturing operations
7.
PRESSURE TRANSFER DEVICE AND ASSOCIATED SYSTEM, FLEET AND USE, FOR PUMPING HIGH VOLUMES OF FLUIDS WITH PARTICLES AT HIGH PRESSURES
The invention relates to pressure transfer device, system comprising the pressure transfer device, a fleet comprising the system and use of a pressure transfer device for pumping fluid at pressures above 500 bars, the pressure transfer device (1', 1'') comprising a pressure chamber housing (1', 1'') and at least one connection port (3', 3''), the at least one connection port (3', 3'') being connectable to a dual acting pressure boosting liquid partition device (2) via fluid communication means (26', 27'; 26'', 27''), the pressure chamber housing comprises: - a pressure cavity (4', 4'') inside the pressure chamber housing, and at least a first port (5', 5'') for inlet and/or outlet of fluid to the pressure cavity (4', 4''), - a bellows (6', 6'') defining an inner volume (7', 7'') inside the pressure cavity (4', 4''), and wherein the inner volume (7', 7'') is in fluid communication with the connection port (3', 3''), wherein the pressure cavity (4', 4'') has a center axis (C', C'') with an axial length (L) defined by the distance between the connection port (3', 3'') and the first port (5', 5'') and a varying cross sectional area over at least a part of the axial length (L), and wherein the bellows (6', 6'') is configured to move in a direction substantially parallel with the center axis (C', C'') over a part of the axial length (L) of the pressure cavity (4', 4'').
F04B 15/02 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F04B 15/04 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
F04B 37/12 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for special use to obtain high pressure
F04B 43/00 - Machines, pumps, or pumping installations having flexible working members
F04B 43/113 - Pumps having fluid drive the actuating fluid being controlled by at least one valve
8.
A DUAL-ACTING PRESSURE BOOSTING LIQUID PARTITION DEVICE, SYSTEM, FLEET AND USE
The invention relates to a dual acting pressure boosting liquid partition device (2), a system comprising the dual acting pressure boosting liquid partition device (2), a fleet comprising the system, and use of the device, system and fleet. The dual acting pressure boosting liquid partition device (2) for a closed hydraulic loop volume, the dual acting pressure boosting liquid partition device (2) being capable of feeding and retracting a large amount of hydraulic fluid under high pressures to and from at least a first pressure transfer device (1') and second pressure transfer device (1 "), the pressure transfer devices (1', 1 ") pumping fluids with particles at high volumes and pressures above 500 bars, where the dual acting pressure boosting liquid partition device (2) is controllable by a variable flow supply through at least a first drive fluid port (24') and a second drive fluid port (24"), wherein the dual acting pressure boosting liquid partition device (2) comprises: - a hollow cylinder housing (20) having a longitudinal extension, wherein the cylinder housing (20) comprises at least a first part and a second part having a first transverse cross sectional area (al) and a third part having a second transverse cross sectional area (a2) of different size than the first transverse cross sectional area (al), - and a rod (19).
Method, and associated system, computer program and use, of controlling working range of a pump bellows, including maximum limitations such as maximum retracting position and maximum extension position of the bellows, the method comprising the steps of: a) reading at least a first position of a bellows (6', 6'') in a closed hydraulic loop volume using at least one position sensor (12', 12''), g) transmitting a first position signal representing the first position to a control system, h) wherein the control system, based on the at least first position signal: c1) determines the position of the bellows (6', 6'') represented by the at least first position signal, c2) compares the position of the bellows (6', 6'') with a predetermined bellows position operating range, and c3) if the position is outside the predetermined bellows position operating range, instructs an oil management system valve (16', 16'') allowing a dual acting pressure boosting liquid partition device (2) to recalibrate the hydraulic fluid volume in the closed hydraulic loop volume to re-establish a hydraulic fluid volume that causes the at least first position to return to a position within the predetermined bellows position operating range.
