CN117552744A

CN117552744A - Multi-machine multi-pump well cementation vehicle

Info

Publication number: CN117552744A
Application number: CN202311525099.2A
Authority: CN
Inventors: 姜红喜; 许显华; 张少波
Original assignee: Sany Petroleum Intelligent Equipment Co Ltd
Current assignee: Sany Petroleum Intelligent Equipment Co Ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-02-13

Abstract

The invention discloses a multi-machine multi-pump well cementation vehicle which comprises a transport vehicle, at least two sets of driving modules and a control console, wherein the at least two sets of driving modules are arranged on the transport vehicle and are mutually independent, each set of driving modules comprises an engine, a driving pump assembly, a motor assembly and a plunger pump, the engine drives the driving pump assembly, and the driving pump assembly drives the motor assembly to drive the plunger pump to move; the motors in all the driving modules are electrically connected with the control console. According to the invention, by arranging at least two sets of driving modules which are independently arranged, each set of driving module can independently complete the well cementation task, so that after the components in any driving module are damaged, the shutdown and the repair are not needed, and only the other set of complete driving module is started to continue the well cementation task, so that the damaged components can be repaired while the operation is performed, the time is saved, and the operation efficiency is greatly improved.

Description

Multi-machine multi-pump well cementation vehicle

Technical Field

The invention relates to the technical field of well cementation equipment, in particular to a multi-machine multi-pump well cementation vehicle.

Background

With the appearance of horizontal wells and high-pressure wells and the rising of the requirements of various working conditions such as well repair, the requirements on well cementation equipment are increasingly increased, and the applicability of the well cementation equipment required by users is stronger, so that the well cementation equipment can meet the construction conditions of various different pressures and displacements.

The traditional well cementation vehicle adopts a single bench engine to drive a hydraulic gearbox to carry out mechanical transmission, the power transmission path is single, the whole vehicle needs to be stopped for maintenance after any part is damaged, a great deal of time and manpower and material resources are wasted, and the operation efficiency is low.

Disclosure of Invention

The invention mainly aims to provide a multi-machine multi-pump well cementation vehicle, and aims to solve the problems that the existing well cementation vehicle is single in power transmission path, and the whole vehicle is required to be stopped for maintenance after any part is damaged, so that the operation efficiency is low.

In order to achieve the above object, the present invention provides a multi-machine multi-pump cementing truck, comprising:

a transport vehicle;

the driving modules are arranged on the transport vehicle and are mutually independent, each driving module comprises an engine, a driving pump assembly, a motor assembly and a plunger pump, the engine drives the driving pump assembly, and the driving pump assembly drives the motor assembly to drive the plunger pump to move;

and the control console is electrically connected with the engines in all the driving modules.

Preferably, the transport vehicle is provided with a slurry mixing tank; in each driving module, the driving pump assembly comprises a water injection pump, a grouting pump, a stirring pump and a plunger driving pump, wherein the water injection pump is used for supplying water to the slurry mixing tank, the stirring pump is used for stirring water and cement ash in the slurry mixing tank to form cement paste, the grouting pump is used for pumping the cement paste in the slurry mixing tank and conveying the cement paste to the plunger pump, and the plunger driving pump drives the motor assembly to drive the plunger pump to move.

Preferably, a driving structure is arranged between the water injection pump, the grouting pump, the stirring pump and the plunger driving pump and the engine, the driving structure comprises a first driving pump and a first driving motor, the engine drives the first driving pump, and each first driving pump drives the water injection pump, the grouting pump, the stirring pump or the plunger driving pump corresponding to the first driving pump through the corresponding first driving motor.

Preferably, a plurality of transfer cases are installed on the engine, the number of the transfer cases is consistent with that of the driving pump assemblies, the transfer cases are arranged in a one-to-one correspondence mode, and all first driving pumps in the driving pump assemblies are connected with the corresponding transfer cases and driven through the transfer cases.

Preferably, the transport vehicle is further provided with a metering tank, the metering tank is communicated with an external water source, the metering tank is communicated with the slurry mixing tank, and the water injection pump is used for pumping water in the metering tank to the slurry mixing tank.

Preferably, a plurality of water injection pumps are arranged in parallel, a plurality of first butterfly valves are arranged between the water injection pumps and the metering tank, a plurality of grouting pumps are arranged in parallel, a plurality of second butterfly valves are arranged between the grouting pumps and the mixing tank, and a plurality of third butterfly valves are arranged between the grouting pumps and the plunger pumps.

Preferably, the transport vehicle is further provided with an auxiliary driving assembly, the auxiliary driving assembly comprises an auxiliary driving piece and an auxiliary driving pump, the auxiliary driving piece is used for driving the auxiliary driving pump, and the auxiliary driving pump is used for driving any motor assembly.

Preferably, the auxiliary drive is a chassis engine of the transport vehicle.

Preferably, the plunger driving pumps in each set of driving modules are arranged in parallel with the auxiliary driving pumps, and ball valves are arranged between the auxiliary driving pumps and each plunger driving pump.

Preferably, a plurality of engines are arranged on the transport vehicle at intervals, and a heat dissipation module for dissipating heat of the engines is arranged on the top of each of the plurality of engines.

According to the technical scheme, at least two sets of driving modules are independently arranged on the transport vehicle, each set of driving module comprises an engine, a driving pump assembly, a motor assembly and a plunger pump, so that each set of driving module can independently complete a well cementation task, each set of driving module is completely backed up, well cementation tasks can be independently completed, after components in any driving module are damaged, shutdown and repair are not needed, only the other set of complete driving module is started to continue the well cementation tasks, damaged components can be repaired while operation is performed, time is saved, and operation efficiency is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic left-hand structural view of a multi-machine multi-pump cementing truck according to one embodiment of the present invention;

FIG. 2 is a schematic diagram of a right side view of a multi-machine multi-pump cementing truck according to one embodiment of the present invention;

FIG. 3 is a schematic view of a portion of a multi-machine multi-pump cementing truck according to one embodiment of the present invention;

FIG. 4 is a schematic diagram of a driving structure of a multi-machine multi-pump cementing truck according to an embodiment of the present invention;

FIG. 5 is a diagram of power transfer relationships for a multi-machine multi-pump cementing truck in accordance with one embodiment of the present invention;

FIG. 6 is a schematic diagram of a slurry line of a multi-machine multi-pump cementing truck in accordance with one embodiment of the present invention.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1	Multi-machine multi-pump well cementation vehicle	24	Plunger driving pump
10	Transport vehicle	25	Motor assembly
				11	Auxiliary driving piece	251	Driving motor
20	Driving module	26	Plunger pump
				21	Engine with a motor	30	Auxiliary driving pump
211	Transfer case	40	Console
				212	Heat radiation module	50	Slurry mixing tank
22	Driving pump assembly	51	Metering tank
				221	Water injection pump	60	Ball valve
222	Grouting pump	61	First butterfly valve
				223	Stirring pump	62	Second butterfly valve
23	Driving structure	63	Third butterfly valve

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in this embodiment are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, descriptions such as those related to "", "second", etc. in this disclosure are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "", "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The invention provides a multi-machine multi-pump well cementation vehicle 1.

Referring to fig. 1, 2, 3 and 5, the multi-machine multi-pump cementing truck 1 of the present embodiment includes a carrier 10, a console 40 and at least two sets of driving modules 20, wherein the at least two sets of driving modules 20 are all arranged on the carrier 10 and are mutually independent, each set of driving modules 20 includes an engine 21, a driving pump assembly 22, a motor assembly 25 and a plunger pump 26, the engine 21 drives the driving pump assembly 22, and the driving pump assembly 22 drives the motor assembly 25 to drive the plunger pump 26 to move; the motors 21 in all the drive modules 20 are electrically connected to the console 40.

In the technical scheme of the invention, at least two sets of independently arranged driving modules 20 are arranged on the transport vehicle 10, each set of driving modules 20 comprises an engine 21, a driving pump assembly 22, a motor assembly 25 and a plunger pump 26, so that each set of driving modules 20 can independently complete a well cementation task, each set of driving modules 20 is completely backed up, the well cementation task can be independently completed, after components in any driving module 20 are damaged, shutdown refurbishment is not needed, only the other set of complete driving modules 20 are started to continue the well cementation task, and damaged components can be refurbished while the operation is performed, so that the time is saved, and the operation efficiency is greatly improved.

In one embodiment, the truck 10 is provided with a slurry tank 50; in each driving module 20, the driving pump assembly 22 comprises a water injection pump 221, a grouting pump 222, a stirring pump 223 and a plunger driving pump 24, the water injection pump 221 is used for supplying water to the slurry mixing tank 50, the stirring pump 223 is used for stirring water and cement ash in the slurry mixing tank 50 to form cement slurry, the grouting pump 222 is used for pumping the cement slurry in the slurry mixing tank 50 and delivering the cement slurry to the plunger pump 26, and the plunger driving pump 24 drives the motor assembly 25 to drive the plunger pump 26 to move.

Through all integrating water injection pump 221, slip casting pump 222, stirring pump 223 and muddy thick liquid jar 50 on transport vechicle 10, realize automatic production grout through the cooperation of each part, need not to prepare the grout from outside, can reduce the manpower work, reduce the labor cost, improve control accuracy, improved the efficiency of well cementation work.

Referring to fig. 1, 2 and 5, further, a driving structure 23 is disposed between each of the water injection pump 221, the grouting pump 222, the stirring pump 223 and the plunger driving pump 24 and the engine 21, the driving structure 23 includes a first driving pump and a first driving motor 251, the engine 21 drives the first driving pump, and each first driving pump drives the water injection pump 221, the grouting pump 222, the stirring pump 223 or the plunger driving pump 24 corresponding to the first driving pump through the corresponding first driving motor 251. It is understood that the first drive pump is a hydraulic pump and the first drive motor 251 is a hydraulic drive motor.

The water injection pump 221, the grouting pump 222, the stirring pump 223 and the plunger driving pump 24 have different requirements on the rotation speed and the torque of the engine 21, so that the motor cannot be directly connected through the engine 21, a driving structure 23 is required to be arranged between the engine 21 and the motor, the respective control on different components is realized through the cooperation of the first driving pump and the first driving motor 251, different output power is provided for the different components through one engine 21, the efficiency is improved, and meanwhile, the control precision on the different components is improved.

Specifically, the first driving pump is a variable pump, and the first driving motor 251 is a variable motor. The variable pump and the variable motor can provide higher control precision, the displacement is stepless and adjustable, no gear shifting impact is generated, the operation stability is improved, the output power can be adjusted in real time according to actual conditions, and the energy utilization rate is improved.

In one embodiment, a plurality of transfer cases 211 are mounted on the engine 21, the number of transfer cases 211 is consistent with the number of drive pump assemblies 22 and is arranged in a one-to-one correspondence, and all first drive pumps in each of the drive pump assemblies 22 are connected with the corresponding transfer cases 211 and driven by the transfer cases 211. The engine 21 can drive four first driving pumps in one driving pump assembly 22 simultaneously through the transfer case 211, multiplexing output is achieved, the energy utilization rate is improved, each first driving pump can be independently controlled, the control precision is improved, the whole transmission system can be simplified, the complexity and the number of parts are reduced, the maintenance cost is reduced, the occupied space is reduced, and the whole volume of the transmission system is reduced through driving of the single transfer case 211.

In one embodiment, the motor assembly 25 includes a plurality of hydraulic motors spaced apart on the plunger pump 26. Plunger pump 26 typically requires high flow and high pressure, and a single hydraulic motor may have difficulty providing enough power to meet these requirements. By using multiple hydraulic motors, the load can be dispersed, each motor is responsible for a portion of the work, thus providing the required high flow and high pressure together to ensure uniform use of each hydraulic motor, reducing excessive wear and extending the life of the hydraulic motor; meanwhile, even if one of the motors fails or needs maintenance, the system can still keep running, and the reliability and the continuous performance of the system are improved.

In an embodiment, the transport vehicle 10 is further provided with a metering tank 51, the metering tank 51 is communicated with an external water source, the metering tank 51 is communicated with the slurry mixing tank 50, and the water injection pump 221 is used for pumping water in the metering tank 51 to the slurry mixing tank 50. Through injecting water in the metering tank 51, then supply water for the slurry mixing tank 50 through the metering tank 51, firstly, a part of water can be stored, no water is available when water is prevented from suddenly stopping, meanwhile, the water mixing tank can work in areas which cannot be connected to an external water source, secondly, the water quantity injected into the slurry mixing tank 50 is accurately metered through the metering tank 51, so that water and cement ash are accurately proportioned, produced cement slurry is ensured to meet the standard, the quality of the cement slurry is improved, meanwhile, the waste of water can be prevented, and the resource utilization rate is improved.

Referring to fig. 5, further, a plurality of water injection pumps 221 are arranged in parallel, a first butterfly valve 61 is disposed between the plurality of water injection pumps 221 and the metering tank 51, a plurality of grouting pumps 222 are arranged in parallel, a second butterfly valve 62 is disposed between the plurality of grouting pumps 222 and the mixing tank 50, and a third butterfly valve 63 is disposed between the plurality of grouting pumps 222 and the plunger pump 26. One water injection pump 221 and one grouting pump 222 form one set of slurry mixing equipment, and a plurality of sets of slurry mixing equipment are independently arranged and do not interfere with each other, one of the slurry mixing equipment does not affect the operation of the other slurry mixing equipment when being damaged, so that the operation efficiency and the reliability are improved, and meanwhile, a plurality of sets of slurry mixing equipment can be operated simultaneously, so that the pulping efficiency is improved, and the operation efficiency is improved.

Referring to fig. 6, after one of the first butterfly valve 61, the second butterfly valve 62 and the third butterfly valve 63 of the slurry mixing system is opened, water flows out from the metering tank 51, enters the water supply pump through the first butterfly valve 61, enters the slurry mixing tank 50 after being pressurized by the water supply pump, then forms cement slurry after being mixed with cement ash in the slurry mixing tank 50, enters the grouting pump 222 after being output from the slurry mixing tank 50 through the second butterfly valve 62, is pressurized by the third butterfly valve 63, and is then conveyed to the plunger pump 26.

It will be appreciated that, under the condition that the driving module is two sets, when the demand of cement slurry is low, one of the first butterfly valve 61, one of the second butterfly valve 62 and one of the third butterfly valve 63 can be closed, the cement slurry is mixed by matching one of the water injection pump 221 and one of the grouting pump 222, and then the cement slurry is supplied to the plunger pump 26, so that the energy consumption is reduced, when the demand of cement slurry is high, all of the first butterfly valve 61, the second butterfly valve 62 and the third butterfly valve 63 are opened, the two sets of slurry mixing equipment operate simultaneously, the slurry making efficiency is improved, when the parts of one set of slurry mixing equipment are damaged, the corresponding first butterfly valve 61, second butterfly valve 62 and third butterfly valve 63 are closed, and the first butterfly valve 61, second butterfly valve 62 and third butterfly valve 63 of the other set of slurry mixing equipment are opened, so that the slurry making process is not interrupted, and the operating efficiency and reliability are improved.

In an embodiment, an auxiliary driving assembly is further disposed on the transport vehicle, and the auxiliary driving assembly includes an auxiliary driving member 11 and an auxiliary driving pump 30, where the auxiliary driving member 11 is used for driving the auxiliary driving pump 30, and the auxiliary driving pump 30 is used for driving any motor assembly 25.

Meanwhile, through the cooperation of the auxiliary driving part 11 and the auxiliary driving pump 30, in small-displacement operation, the control precision is high, the resource utilization rate is high, under the condition of high power output, the auxiliary driving part 11 can assist any motor component 25 to realize the power complement of the engine 21, thereby meeting the requirement of higher power output, the output power is improved without upgrading the engine 21 with higher power, the cost is greatly reduced, and meanwhile, the power requirement of the existing engine 21 can be reduced, the cost is reduced, the volume is reduced, and the whole vehicle layout is more flexible.

In one implementation, auxiliary drive pump 30 is a hydraulic variable displacement motor.

Specifically, the auxiliary drive 11 is a chassis engine of the transport vehicle 10.

By using the chassis engine of the transport vehicle 10 as an auxiliary driving member, the auxiliary driving member 11 is not required to be additionally arranged on the transport vehicle 10, so that the cost is reduced, and meanwhile, the chassis engine is positioned on the chassis of the transport vehicle 10, so that the space on the transport vehicle 10 is not occupied, and the whole vehicle layout is more flexible.

Further, the plunger drive pumps 24 in each set of drive modules 20 are each arranged in parallel with the auxiliary drive pump 30, and ball valves 60 are each arranged between the auxiliary drive pump 30 and each plunger drive pump 24. By providing a ball valve 60 between the auxiliary drive pump 30 and each plunger drive pump 24, the switching of the ball valve 60 is controlled to control whether one of the plunger drive pumps 24 is assisted in driving by the auxiliary drive member 11 driving the auxiliary drive pump 30, thereby improving flexibility in the case of high power output.

Under the condition that the power demand is normal, all ball valves 60 are closed, one plunger driving pump 24 independently drives the motor assembly 25 and drives the plunger pump 26 to work, and under the condition that the power demand is large, one ball valve 60 can be opened, so that the auxiliary driving pump 30 assists in driving the motor assembly 25 to improve the output power, and high-power operation of the plunger pump 26 is realized.

In one embodiment, a plurality of engines 21 are disposed on the transport vehicle 10 at intervals, and a heat dissipation module 212 for dissipating heat from the engines 21 is disposed on top of each of the plurality of engines 21. The engine 21 can generate a large amount of heat in the running process, if the engine 21 is not cooled, the temperature can rise, and the engine 21 can be overheated and damaged, so that the heat dissipation modules 212 are arranged on each engine 21 to dissipate heat, the engine 21 is prevented from being damaged, the service life is prolonged, meanwhile, the efficiency of the engine 21 can be improved by keeping at a proper temperature, the fuel utilization rate is improved, and the cost is saved.

The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims

1. A multi-machine multi-pump cementing truck, comprising:

a transport vehicle;

2. The multi-machine multi-pump cementing truck according to claim 1, wherein a slurry mixing tank is arranged on the transport truck; in each driving module, the driving pump assembly comprises a water injection pump, a grouting pump, a stirring pump and a plunger driving pump, wherein the water injection pump is used for supplying water to the slurry mixing tank, the stirring pump is used for stirring water and cement ash in the slurry mixing tank to form cement paste, the grouting pump is used for pumping the cement paste in the slurry mixing tank and conveying the cement paste to the plunger pump, and the plunger driving pump drives the motor assembly to drive the plunger pump to move.

3. The multi-machine multi-pump cementing truck according to claim 2, wherein a driving structure is arranged between each of the water injection pump, the grouting pump, the stirring pump and the plunger driving pump and the engine, the driving structure comprises a first driving pump and a first driving motor, the engine drives the first driving pump, and each first driving pump drives the water injection pump, the grouting pump, the stirring pump or the plunger driving pump corresponding to the first driving pump through the first driving motor corresponding to the first driving pump.

4. A multi-machine multi-pump cementing truck according to claim 3 wherein a plurality of transfer cases are mounted on said engine, said number of transfer cases being consistent with and disposed in one-to-one correspondence with the number of said drive pump assemblies, all of said first drive pumps in each of said drive pump assemblies being connected to and driven by a corresponding one of said transfer cases.

5. The multi-machine multi-pump cementing truck according to claim 2, wherein a metering tank is further arranged on the transport truck, the metering tank is communicated with an external water source, the metering tank is communicated with the slurry mixing tank, and the water injection pump is used for pumping water in the metering tank to the slurry mixing tank.

6. The multi-machine multi-pump cementing truck of claim 5, wherein a plurality of water injection pumps are arranged in parallel, a first butterfly valve is arranged between the plurality of water injection pumps and the metering tank, a plurality of grouting pumps are arranged in parallel, a second butterfly valve is arranged between the plurality of grouting pumps and the slurry mixing tank, and a third butterfly valve is arranged between the plurality of grouting pumps and the plunger pump.

7. A multi-machine multi-pump cementing truck according to claim 2 wherein an auxiliary drive assembly is further provided on said truck, said auxiliary drive assembly comprising an auxiliary drive member for driving said auxiliary drive pump and an auxiliary drive pump for driving either of said motor assemblies.

8. A multi-machine multi-pump cementing truck according to claim 7 wherein said auxiliary drive is a chassis engine of said carrier.

9. A multi-machine multi-pump cementing truck according to claim 7 wherein said plunger drive pumps in each set of said drive modules are arranged in parallel with said auxiliary drive pumps with ball valves disposed between said auxiliary drive pumps and each of said plunger drive pumps.

10. A multi-machine multi-pump cementing truck according to any one of claims 1 to 7 wherein a plurality of said engines are spaced on said truck and a heat dissipating module for dissipating heat from said engines is provided on top of each of said plurality of engines.