CN212376643U - Novel fracturing unit truck of mixed acid function in area - Google Patents

Abstract

The utility model provides a novel fracturing truck with mixed acid function, which comprises a fracturing truck body, wherein the fracturing truck body comprises a chassis truck, an auxiliary girder is arranged on the chassis truck, an engine is arranged on the auxiliary girder, a gearbox is arranged on one side of the engine, a transmission shaft is arranged on the gearbox, a hydraulic system is arranged on the top of the transmission shaft, a plunger pump is arranged at one end of the transmission shaft, a high-pressure manifold system is arranged on one side of the plunger pump, an operation platform is arranged between the high-pressure manifold system and the plunger pump, an acid mixing tank is arranged on one side of the high-pressure manifold system, a stirring system is arranged on the acid mixing tank, the acid fracturing function and the mixed acid liquid distribution function are integrated into a whole, the integration is multipurpose, the equipment height and the function are diversified, and the equipment purchase and maintenance cost is effectively reduced, the structural design is exquisite, overall arrangement is reasonable, easily makes.

Description

Novel fracturing unit truck of mixed acid function in area

Technical Field

The utility model relates to an oil gas field exploitation mechanical equipment field specifically is a novel fracturing unit truck of mixed acid function in area.

Background

The acidizing and fracturing operation means that the externally-connected mixed acid liquid is pressurized by a horizontal plunger pump arranged on a fracturing truck platform and then is injected into a well bottom under the pressure higher than the bottom fracture pressure, so that the stratum is crushed to form artificial cracks, the cracks are corroded by the acid liquid, and the crude oil permeability of the stratum is improved. The fracturing trucks used in the oil field at present only have a single operation working condition of liquid pressurization injection, but cannot meet the continuous mixing and proportioning functions of acid liquid required by acid fracturing, and cannot realize one truck for multiple purposes. The method is limited by the traditional operation working conditions and the used equipment, acid liquor required by the acidizing and fracturing field operation is provided by externally connected and independently configured acid mixing equipment, corresponding operation can be completed only by two sets of equipment, oil and gas construction of oil fields in China is mostly in mountainous regions, and the area of well sites is limited. On one hand, the use and maintenance cost of user equipment is directly increased, and the limited operation space of a well site is occupied, so that the waste of manpower and material resources is caused; on the other hand, along with the development of oil field technology, multifunctional, automatic and integrated equipment is urgently needed in a construction site, which is the development trend of future oil field equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel fracturing unit truck of mixed acid function in area to solve the problem that proposes in the above-mentioned background art, the utility model discloses novel structure can pass through chassis car + engine + gearbox + hydraulic system + plunger pump + blending tank etc. and constitute simultaneously through the use, compact structure, and rationally distributed accords with future development trend and the requirement of integrating, miniaturizing, multi-functional of oilfield equipment.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a novel area mixes fracturing unit truck of sour function, includes the fracturing unit truck body, the fracturing unit truck body includes the chassis car, install vice girder on the chassis car, install the engine on the vice girder, the gearbox is installed to one side of engine, install the transmission shaft on the gearbox, hydraulic system is installed at the transmission shaft top, the plunger pump is installed to the one end of transmission shaft, high-pressure manifold system is installed to one side of plunger pump, install operation platform between high-pressure manifold system and the plunger pump, acid mixing tank is installed to one side of high-pressure manifold system, install mixing system on the acid mixing tank, install lubricating system on the vice girder, lubricating system installs the bottom at the transmission shaft.

As a preferred embodiment of the present invention, a low-pressure manifold system is installed on one side of the hydraulic system, and a centrifugal pump is installed at the bottom of one end of the sub-girder.

As a preferred embodiment of the present invention, a control system and a battery box are respectively installed on both sides of the engine.

As an optimal implementation mode of the utility model, the power end lubricating system power of plunger pump derives from the gear pump that sets up on the gearbox power takeoff, the lubricated electric drive grease pump that adopts of hydraulic end carries out butter lubrication.

As a preferred embodiment of the utility model, the low pressure manifold system and the acid mixing tank inner wall adopt the vulcanization to prevent acid treatment.

As an optimized implementation mode of the utility model, the acid mixing tank is provided with a graduated scale.

As a preferred embodiment of the present invention, the acid mixing tank is provided with a hydraulically driven stirring system for mixing and stirring the acid solution in the tank.

The utility model has the advantages that: the utility model relates to a novel fracturing truck with acid mixing function, which comprises a chassis truck; an engine; a gearbox; a drive shaft; a hydraulic system; a plunger pump; a high pressure manifold system; a mixed acid tank; a sub girder; a centrifugal pump; a low pressure manifold system; a lubrication system; a control system; an operating platform; a battery box; a stirring system.

1. This novel fracturing unit truck of mixed acid function in area collects acidizing fracturing function and mixed acid and joins in marriage liquid function in an organic whole, realizes that the whole car is multi-purpose, and equipment highly integrates, the function is diversified, effectively reduces the equipment purchase and maintenance cost, and structural design is exquisite, overall arrangement is reasonable, easily makes.

2. This novel fracturing unit truck of mixed acid function in area mixes between acid tank, centrifugal pump, plunger pump and the low pressure manifold accessible valve switch and accomplish external liquid respectively and select to supply liquid for mixing acid tank or plunger pump, realizes liquid discharge, inhales, storage and mixes, need not independent configuration, effectively reduces whole car parts and weight, and the increase field is controlled and is maintained the space.

3. This novel fracturing unit truck of mixed acid function in area is through setting up hydraulic drive's rabbling mechanism on the blending tank for mixing and jar internal acid liquor, through liquid level and acidizing fluid ratio data in the radar level gauge real-time transmission storehouse, realize continuous automatic joining in marriage liquid, low pressure manifold and blending tank inner wall adopt the vulcanization to prevent acid-treated, compare traditional stainless steel manifold more durable.

Drawings

Fig. 1 is a left-view structural schematic diagram of a novel fracturing truck with an acid mixing function;

fig. 2 is a structural schematic diagram of the novel fracturing truck with the acid mixing function in the right view;

fig. 3 is a schematic structural diagram of a novel fracturing truck with an acid mixing function in a top view;

in the figure: 1. a chassis truck; 2. an engine; 3. a gearbox; 4. a drive shaft; 5. a hydraulic system; 6. a plunger pump; 7. a high pressure manifold system; 8. a mixed acid tank; 9. a sub girder; 10. a centrifugal pump; 11. a low pressure manifold system; 12. a lubrication system; 13. a control system; 14. an operating platform; 15. a battery box; 16. a stirring system.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a novel fracturing truck of mixed acid function in area, includes the fracturing truck body, the fracturing truck body includes chassis car 1, install vice girder 9 on the chassis car 1, install engine 2 on the vice girder 9, gearbox 3 is installed to one side of engine 2, install transmission shaft 4 on the gearbox 3, hydraulic system 5 is installed at 4 tops of transmission shaft, plunger pump 6 is installed to the one end of transmission shaft 4, high-pressure manifold system 7 is installed to one side of plunger pump 6, install operation platform 14 between high-pressure manifold system 7 and the plunger pump 6, acid mixing tank 8 is installed to one side of high-pressure manifold system 7, install mixing system 16 on the acid mixing tank 8, install lubricating system 12 on vice girder 9, lubricating system 12 installs the bottom at transmission shaft 4.

As a preferred embodiment of the present invention, a low-pressure manifold system 11 is installed on one side of the hydraulic system 5, and a centrifugal pump 10 is installed at the bottom of one end of the sub-girder 9.

As a preferred embodiment of the present invention, a control system 13 and a battery box 15 are respectively installed on both sides of the engine 2.

As an optimal implementation mode of the utility model, the power end lubricating system power of plunger pump 6 derives from the gear pump that sets up on the 3 power takeoff of gearbox, the lubricated electric drive grease pump that adopts of hydraulic end carries out butter lubrication.

As a preferred embodiment of the present invention, the low-pressure manifold system 11 and the inner wall of the acid mixing tank 8 are vulcanized to prevent acid treatment.

As an optimal implementation mode of the utility model, be provided with the scale on the acid mixing tank 8, can artificially observe and measure the acidizing fluid volume, be provided with the radar level gauge simultaneously, through whole car control system automatic control and the inside acidizing fluid liquid level of adjustment acid mixing tank.

As a preferred embodiment of the present invention, the acid mixing tank 8 is provided with a hydraulically driven stirring system 16 for mixing and stirring the acid solution in the tank.

The chassis truck 1 is used for bearing and transporting all equipment on platforms, and is also used for hydraulically driving a centrifugal pump 10 to take power, an auxiliary girder 9 is connected with the chassis truck 1 through a pulling plate and a U-shaped bolt, an engine 2 and a gearbox 3 are connected into a whole through a carrying pole beam and a special support and then are fixed on the auxiliary girder 9 through bolts and shock pads, one end of a transmission shaft 4 is connected with a brake assembly device on an output flange of the gearbox 3, the other end of the transmission shaft is connected and fixedly installed with a silicone oil shock absorber on an input shaft of a plunger pump 6, the plunger pump 6 is fixed on a pump base welded on the auxiliary girder 9 through bolts, the input shaft, the engine 2 and the gearbox 3 are positioned at the central line part of the auxiliary girder of the whole truck, one end of the plunger pump 6 is connected with a high-pressure discharge manifold system 7 through bolts, one end of the plunger pump is connected with a low-pressure suction manifold system 11, a mixed acid tank 8 is fixedly, a double-layer stirring blade structure is arranged on the stirring system 16; the centrifugal pump 10 is fixed on the right side of the tail part of the chassis vehicle 1 through bolts and a support, the acid mixing tank 8 is connected with the centrifugal pump 10 through a low-pressure manifold system 11, and selective liquid supply of the centrifugal pump 10 to the acid mixing tank 8 and the plunger pump 6 is realized by controlling the opening and closing of a pneumatic butterfly valve; the high-pressure manifold system 7 is connected with a high-pressure discharge port of the plunger pump 6, and selects to directly supply liquid to the bottom of a well or release pressure to the mixed acid tank 8 by opening and closing a plug valve, the lubricating system 12, the control system 13, the operating platform 14 and the battery box 15 are respectively fixed at corresponding positions of the auxiliary girder 9,

the whole vehicle is powered by an on-board engine 2, the plunger pump 6 is driven by the gearbox 3 to suck acidizing fracturing fluid from the acid mixing tank 8 through the low-pressure suction manifold 11, discharge the acidizing fracturing fluid through the high-pressure discharge manifold 7 after pressurization, and the acidizing fracturing fluid is injected into the well bottom to complete acidizing fracturing operation, the stirring system 16 arranged at the upper part of the acid mixing tank 8 is driven by a hydraulic oil pump powered by the gearbox 3 through a stirring motor contained in the stirring system, so that liquid in the tank is mixed and stirred, meanwhile, the liquid level in the tank is fed back in real time through a radar liquid level meter, and the automatic control of acid liquor proportioning is realized through; the centrifugal pump 10 arranged at the tail part of the chassis vehicle 1 is driven by the chassis vehicle 1 to perform hydraulic driving to realize stepless speed change, the centrifugal pump 10 is driven by hydraulic power to inject an external water source into the acid mixing tank 8 or directly suck the external water source from the low-pressure manifold 11 to supply liquid for the plunger pump 6, the low-pressure manifolds 11 of the equipment under two different liquid supply working conditions can be switched and matched for use through corresponding valves, two sets of hydraulic pumps do not need to be additionally arranged independently, the components of the whole vehicle are reduced, the operation space is increased, the multipurpose of the vehicle is realized, the defect of single function of the traditional vehicle is overcome, and the use and maintenance cost of the.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a novel fracturing unit truck of mixed acid function in area, includes the fracturing unit truck body, its characterized in that: the fracturing truck body comprises a chassis truck (1), an auxiliary girder (9) is installed on the chassis truck (1), an engine (2) is installed on the auxiliary girder (9), a gearbox (3) is installed on one side of the engine (2), a transmission shaft (4) is installed on the gearbox (3), a hydraulic system (5) is installed at the top of the transmission shaft (4), a plunger pump (6) is installed at one end of the transmission shaft (4), a high-pressure manifold system (7) is installed on one side of the plunger pump (6), an operation platform (14) is installed between the high-pressure manifold system (7) and the plunger pump (6), an acid mixing tank (8) is installed on one side of the high-pressure manifold system (7), a stirring system (16) is installed on the acid mixing tank (8), and a lubricating system (12) is installed on the auxiliary girder (9), the lubricating system (12) is arranged at the bottom of the transmission shaft (4).

2. The novel fracturing truck with the acid mixing function as claimed in claim 1, wherein: and a low-pressure pipe manifold system (11) is installed on one side of the hydraulic system (5), and a centrifugal pump (10) is installed at the bottom of one end of the auxiliary girder (9).

3. The novel fracturing truck with the acid mixing function as claimed in claim 1, wherein: and a control system (13) and a battery box (15) are respectively arranged on two sides of the engine (2).

4. The novel fracturing truck with the acid mixing function as claimed in claim 1, wherein: the power source of the power end lubricating system of the plunger pump (6) is the gear pump arranged on the power takeoff of the gearbox (3), and the lubrication of the hydraulic end adopts an electrically driven grease pump to perform grease lubrication.

5. The novel fracturing truck with the acid mixing function as claimed in claim 2, wherein: and the inner walls of the low-pressure pipe manifold system (11) and the mixed acid tank (8) are subjected to vulcanization acid-proof treatment.

6. The novel fracturing truck with the acid mixing function as claimed in claim 1, wherein: and a graduated scale is arranged on the acid mixing tank (8).

7. The novel fracturing truck with the acid mixing function as claimed in claim 1, wherein: and a hydraulically-driven stirring system (16) is arranged on the acid mixing tank (8) and is used for mixing and stirring acid liquor in the tank.

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