CN219101316U

CN219101316U - Oil gas well fracturing truck with filling system

Info

Publication number: CN219101316U
Application number: CN202320382144.2U
Authority: CN
Inventors: 何义文; 杨桂敏; 黄东立; 张转运; 韩红梅; 唐迎春; 马林; 刘海英; 阚斌年
Original assignee: Lanzhou Mine Field Machinery Co ltd
Current assignee: Lanzhou Mine Field Machinery Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-05-30
Anticipated expiration: 2033-03-03

Abstract

The utility model discloses an oil-gas well fracturing truck with an additional filling system, which belongs to the technical field of petroleum and natural gas exploitation equipment and aims to solve the problems that a fracturing pump is not sucked well and a knocking phenomenon exists between a valve body and a valve seat. The fracturing truck comprises an auxiliary frame arranged on a loading chassis, wherein a diesel engine, a hydraulic transmission, a radiator, a transmission shaft shield and a fracturing pump are sequentially arranged on the auxiliary frame, and the fracturing pump 7 is provided with a fracturing pump suction pipe and a fracturing pump discharge manifold; and a filling system is arranged at the position behind the fracturing pump and below the loading chassis, the filling system comprises a hydraulic motor and a centrifugal pump which are connected, a plurality of suction pipes and a plurality of discharge pipes are respectively arranged on the centrifugal pump, and one of the discharge pipes is connected with the suction pipe of the fracturing pump. The utility model has a relatively simple structure, can be configured during new vehicle processing, and can be independently configured with a filling system on the basis of the original fracturing truck, and compared with common various liquid mixing vehicles, the filling system has low modification cost.

Description

Oil gas well fracturing truck with filling system

Technical Field

The utility model belongs to the technical field of petroleum and natural gas exploitation equipment, and particularly relates to an oil-gas well fracturing truck with a filling system.

Background

The fracturing truck is a special vehicle for injecting high-pressure and large-displacement fracturing fluid into a well, fracturing the ground and squeezing propping agent into the fracture. The YLC-2500 type fracturing truck produced by I department is a movable type fracturing acidification device. The hydraulic oil pump can be suitable for pumping high-pressure liquid under various working conditions, hydraulic sand blasting and other operations, coal mine high-pressure hydraulic coal mining, water injection and exhaust, high-pressure hydraulic rust removal of ships and other operations. However, in the operation, the knocking phenomenon is found between the valve body and the valve seat of the fracturing pump, so that the noise of the construction operation is increased, the abrasion of the parts of the fracturing pump is easy to occur, and the knocking phenomenon can be eliminated if the air volume in the liquid is reduced during the operation due to the large air volume in the liquid.

Meanwhile, in the oil-gas fracturing construction site, the requirement that mixed liquid and liquid supply or partial liquid pouring is needed exists at the wellhead site, various vehicles with circulating functions are additionally arranged in the prior art, and if the partial functions can be integrated in a fracturing truck, the practicability and market share of products are greatly improved.

Based on the problems, research and development personnel provide an oil-gas well fracturing truck with an additional filling system.

Disclosure of Invention

The utility model aims to provide an oil-gas well fracturing truck with a filling system, which solves the problem that knocking phenomenon exists between a fracturing pump valve body and a valve seat.

In order to solve the problems, the technical scheme of the utility model is as follows:

the oil-gas well fracturing truck with the filling system comprises an auxiliary frame arranged on a loading chassis, wherein a diesel engine, a hydraulic transmission, a radiator, a transmission shaft shield and a fracturing pump are sequentially arranged on the auxiliary frame, and the fracturing pump 7 is provided with a fracturing pump suction pipe and a fracturing pump discharge manifold; and a filling system is arranged at the position behind the fracturing pump and below the loading chassis, the filling system comprises a hydraulic motor and a centrifugal pump which are connected, a plurality of suction pipes and a plurality of discharge pipes are respectively arranged on the centrifugal pump, and one of the discharge pipes is connected with the suction pipe of the fracturing pump.

The suction pipe arranged on the centrifugal pump comprises a first suction pipe of the centrifugal pump, a second suction pipe of the centrifugal pump and a transverse suction pipe of the centrifugal pump; a butterfly valve II is arranged between the first centrifugal pump suction pipe and the second centrifugal pump suction pipe. The centrifugal pump suction pipe I and the centrifugal pump suction pipe II integrally calculate one suction pipe, the centrifugal pump suction transverse pipe singly calculates one suction pipe, and different suction pipes are matched with different operation requirements so as to adapt to the requirements of mixing liquid, liquid supply or liquid pouring which possibly occur on site.

The discharge pipe arranged on the centrifugal pump comprises a first centrifugal pump discharge pipe and a second centrifugal pump discharge pipe; the first centrifugal pump discharge pipe is connected with the fracturing pump suction pipe. And the liquid supply of the centrifugal pump to the fracturing pump is realized.

And the first centrifugal pump discharge pipe is connected with the first fracturing pump suction pipe through a butterfly valve. The common structure ensures stable connection and convenient maintenance and replacement.

The second centrifugal pump discharge pipe is arranged on the first centrifugal pump discharge pipe, and the second centrifugal pump discharge pipe is provided with a third butterfly valve. The second centrifugal pump discharge pipe is additionally arranged on the basis of the first centrifugal pump discharge pipe and is matched with different suction pipes to realize the requirements of liquid mixing, liquid supplying or liquid pouring operation.

And a position equipment jig frame positioned on one side of the fracturing pump on the auxiliary frame. The hydraulic pressure pump is used for arranging the spare tire above the fracturing pump and balancing the load of the whole vehicle after the filling system is additionally arranged.

The centrifugal pump is arranged on a centrifugal pump base which is arranged below the auxiliary frame. The centrifugal pump base is convenient for the installation of centrifugal pump on the one hand, realizes the shock attenuation on the other hand.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, on the basis of the original fracturing truck, the filling system is additionally arranged, and under the action of hydraulic pressure supplied by the centrifugal pump, the air volume in liquid can be reduced, the suction effect is improved, so that the fracturing pump can run more stably, the knocking phenomenon of a valve body and a valve seat of the fracturing pump is eliminated, the abrasion of parts of the fracturing pump is reduced, and the service life of vulnerable parts is prolonged; meanwhile, the perfusion pump system can also independently operate, and is used for replacing various vehicles with circulation functions, so that other functional energy such as liquid mixing, wellhead on-site liquid pouring and liquid supply can be realized.

(2) The utility model has a relatively simple structure, can be configured during new machining, and can be independently configured with a filling system on the basis of the original fracturing truck, and compared with common various liquid mixing trucks, the filling system has extremely low transformation cost, so that the utility model has superior cost performance and practicability.

Drawings

FIG. 1 is a schematic diagram of an oil and gas well fracturing truck with an additional injection system;

FIG. 2 is a schematic diagram of a pumping system in an oil and gas well fracturing truck with a pumping system added thereto;

fig. 3 is a right side view of fig. 2.

The reference numerals are as follows: 1. loading a chassis; 2. a diesel engine; third, the auxiliary frame; fourth, a hydraulic transmission; fifthly, a radiator; 6. a drive shaft shield; seventhly, a fracturing pump; 8. a spare tire rack; 9. a fracturing pump suction tube; 10. a fracturing pump discharge manifold; 11. a perfusion system; 12. a hydraulic motor; 13. a centrifugal pump; 14, a centrifugal pump base; 15, a centrifugal pump discharge pipe I; a first butterfly valve; seventhly, a suction pipe I of the centrifugal pump; 18, a butterfly valve II; 19. a centrifugal pump suction pipe II; a third butterfly valve; 21. the centrifugal pump pumps into a transverse pipe; 22. a centrifugal pump discharge pipe II;

Detailed Description

As shown in fig. 1-3, the oil-gas well fracturing truck with the filling system comprises an auxiliary frame 3 arranged on a loading chassis 1, wherein a diesel engine 2, a hydraulic transmission 4, a radiator 5, a transmission shaft shield 6 and a fracturing pump 7 are sequentially arranged on the auxiliary frame 3. The fracturing pump 7 is provided with a fracturing pump suction pipe 9 and a fracturing pump discharge manifold 10; a perfusion system 11 is provided at a position behind the fracturing pump 7 below the loading chassis 1.

The filling system 11 comprises a hydraulic motor 12 and a centrifugal pump 13 which are connected, and the centrifugal pump 13 is respectively provided with a plurality of suction pipes and a plurality of discharge pipes. The centrifugal pump 13 is provided on a centrifugal pump base 14, and the centrifugal pump base 14 is mounted below the sub-frame 3.

The suction pipe on the centrifugal pump 13 comprises a first centrifugal pump suction pipe 17, a second centrifugal pump suction pipe 19 and a transverse centrifugal pump suction pipe 21; a butterfly valve II 18 is arranged between the first centrifugal pump suction pipe 17 and the second centrifugal pump suction pipe 19. Wherein: the first centrifugal pump suction pipe 17 and the second centrifugal pump suction pipe 19 are integrally formed into one suction pipe, and the centrifugal pump suction transverse pipe 21 is integrally formed into one suction pipe.

The discharge pipe on the centrifugal pump 13 comprises a first centrifugal pump discharge pipe 15 and a second centrifugal pump discharge pipe 22; specifically: the second centrifugal pump discharge pipe 22 is arranged on the first centrifugal pump discharge pipe 15, and the third butterfly valve 20 is arranged on the second centrifugal pump discharge pipe 22. The first centrifugal pump discharge pipe 15 is connected with the fracturing pump suction pipe 9 through a first connecting butterfly valve 16. And the liquid supply of the centrifugal pump to the fracturing pump is realized.

The different suction pipes and the discharge pipes can be matched with different combination modes according to the field requirements so as to adapt to the mixed liquid, liquid supply or liquid pouring requirements possibly occurring in the field.

And a device jig frame 8 positioned on one side of the fracturing pump 7 on the auxiliary frame 3.

The utility model has 2 working scenes:

1. normal fracturing operation:

during operation, the centrifugal pump 13 enters a working state under the driving of the hydraulic motor 12, valves on the butterfly valve III 20 and the centrifugal pump suction transverse pipe 21 are closed, fracturing liquid firstly enters the centrifugal pump 13 through the centrifugal pump suction pipe II 19, the butterfly valve II 18 and the centrifugal pump suction pipe I17, the centrifugal pump 13 is arranged between the centrifugal pump base 14 and the auxiliary frame 3, most of vibration can be absorbed and resolved due to the existence of damping construction and damping materials arranged between the centrifugal pump base 14 and the auxiliary frame 3 during installation, the fracturing liquid leaves the centrifugal pump 13, and when entering the fracturing pump 7 through the centrifugal pump discharge pipe I15, the butterfly valve I16 and the fracturing pump suction pipe 9, the air volume of the fracturing liquid is obviously reduced under the action of hydraulic pressure supplied by the centrifugal pump 13, the fracturing pump can stably run, and the knocking phenomenon between the valve body and the valve seat disappears.

2. Operation of replacing the liquid mixing vehicle:

during operation, the centrifugal pump 13 is driven by the hydraulic motor 12 to enter a working state, the butterfly valve II 18 and the butterfly valve I16 are closed, a loop is formed in which the centrifugal pump suction transverse pipe 21 sucks the centrifugal pump and the centrifugal pump discharge pipe II 22 discharges, only the hydraulic motor 12, the centrifugal pump 13 and a pipeline which is independent of a fracturing operation pipeline in the filling system 11 participate in the loop, and simple liquid supply and liquid pouring can be realized in the loop.

For the liquid mixing requirement, 2 suction pipelines can be directly opened, and a discharge pipeline is matched, namely, the first butterfly valve is closed, the third butterfly valve is opened, namely, the third butterfly valve is opened, and the liquid mixing tank is matched.

The operation process can show that the utility model has extremely low cost investment, extremely high practicability and economy, and good popularization prospect.

Claims

1. The utility model provides an install oil gas well fracturing truck of filling system additional, includes sub vehicle frame (3) of establishing on loading chassis (1), be equipped with diesel engine (2), hydraulic transmission (4), radiator (5), transmission shaft guard shield (6), fracturing pump (7) on sub vehicle frame (3) in proper order, its characterized in that: the fracturing pump (7) is provided with a fracturing pump suction pipe (9) and a fracturing pump discharge manifold (10); the utility model discloses a fracturing pump, including loading chassis (1), including loading chassis (7), the position department in back of fracturing pump (7) is equipped with perfusion system (11), perfusion system (11) are including hydraulic motor (12) and centrifugal pump (13) that link, be equipped with a plurality of suction tube and a plurality of discharge tube on centrifugal pump (13) respectively, one of them discharge tube is connected with fracturing pump suction tube (9).

2. The oil and gas well fracturing truck with the filling system as set forth in claim 1, wherein: the suction pipe arranged on the centrifugal pump (13) comprises a first centrifugal pump suction pipe (17), a second centrifugal pump suction pipe (19) and a transverse centrifugal pump suction pipe (21); and a butterfly valve II (18) is arranged between the centrifugal pump suction pipe I (17) and the centrifugal pump suction pipe II (19).

3. An oil and gas well fracturing truck with a filling system according to claim 1 or 2, characterized in that: the discharge pipe arranged on the centrifugal pump (13) comprises a first centrifugal pump discharge pipe (15) and a second centrifugal pump discharge pipe (22); the first centrifugal pump discharge pipe (15) is connected with the fracturing pump suction pipe (9).

4. An oil and gas well fracturing truck with a filling system as claimed in claim 3, wherein: the first centrifugal pump discharge pipe (15) is connected with the first fracturing pump suction pipe (9) through a butterfly valve (16).

5. The oil and gas well fracturing truck with the filling system as set forth in claim 4, wherein: the second centrifugal pump discharge pipe (22) is arranged on the first centrifugal pump discharge pipe (15), and the second centrifugal pump discharge pipe (22) is provided with a third butterfly valve (20).

6. The oil and gas well fracturing truck with the filling system as set forth in claim 1, wherein: and a position equipment jig frame (8) positioned on one side of the fracturing pump (7) on the auxiliary frame (3).

7. The oil and gas well fracturing truck with the filling system as set forth in claim 1, wherein: the centrifugal pump (13) is arranged on the centrifugal pump base (14), and the centrifugal pump base (14) is arranged below the auxiliary frame (3).