CN216811665U

CN216811665U - Fracturing pump assembly

Info

Publication number: CN216811665U
Application number: CN202123336987.9U
Authority: CN
Inventors: 左文龙; 林伟新; 姜一博; 张国庆
Original assignee: Yantai Jereh Oilfield Services Group Co Ltd
Current assignee: Yantai Jereh Oilfield Services Group Co Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-24
Anticipated expiration: 2031-12-27

Abstract

The application relates to a fracturing pump assembly, comprising: a plurality of pumps, each pump having a plurality of discharge ports; the fracturing pipeline comprises a fracturing main pipe and a distributor connector, the distributor connector comprises a main inlet, a main outlet and a plurality of branch inlets, the main inlet and the main outlet are respectively located on the front side and the rear side of the distributor connector, the branch inlets are respectively located on the left side and the right side of the distributor structure, the main inlet and the main outlet of the distributor connector are respectively connected to the fracturing main pipe, and a plurality of outlets of one pump are connected with a plurality of branch inlets on one side of the distributor connector in a one-to-one correspondence mode. The technical scheme of this application has solved fracturing pump package spare among the prior art effectively when using, and the main line takes place to erode easily and causes dangerous problem.

Description

Fracturing pump assembly

Technical Field

The application relates to the technical field of oil and gas field construction operation, especially, relate to a fracturing pump package spare.

Background

With the continuous increase of the fracturing operation depth, the requirement on the operation displacement is larger and larger; in order to improve the discharge capacity, more and more double-discharge fracturing pumping equipment is used at a fracturing operation well site at present, and because the current large-drift-diameter manifold equipment only provides one interface for each piece of fracturing pumping equipment, the two output pipelines of the current double-discharge fracturing pump are merged by a tee joint and then flow into the large drift diameter. High-pressure fluid is mixed with quartz sand to carry out high-speed high-pressure scouring on the inner wall of a pipeline, a manifold bears higher and higher fracturing pressure which is up to 140MPa, the drift diameter is reduced after two pipelines are converged at the position of a tee joint, the flow velocity is increased, the part for changing the fluid velocity is easy to have the phenomenon of bursting after serious erosion, and the personal safety of operating personnel and the safety of equipment are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The application provides a fracturing pump package to solve fracturing pump package among the prior art when using, the main line takes place the erosion easily and causes dangerous problem.

To achieve the above object, the present application provides a fracturing pump assembly comprising: a plurality of pumps, each pump having a plurality of discharge ports; the fracturing pipeline, the fracturing pipeline includes that the fracturing is responsible for and the distributor connects, the distributor connects including main import, main export and a plurality of branch import, main import and main export are located the front and back both sides that the distributor connects respectively, a plurality of branch imports are located two sides about the distributor structure respectively, the main import and the main export that the distributor connects are connected respectively on the fracturing is responsible for, a plurality of exports of a pump link to each other with a plurality of branch imports of a side that the distributor connects one-to-one.

Furthermore, the discharge ports of the pumps are two, the branch inlets are four, and the two discharge ports of the pumps are communicated with the discharge ports of the two pumps on one side of the distributor joint.

Further, the cross-sectional area of the main flow passage of the distributor joint is greater than four times the cross-sectional area of the branch inlets of the distributor joint.

Further, the inner wall surfaces of the distributor joint are all arc-shaped.

Further, a plurality of branch inlets on the left and right sides of the distributor joint are symmetrically arranged along a vertical plane of the axis of the main fracturing pipe.

Further, a valve is arranged between each discharge port of the pump and the distributor joint.

Further, the wall thickness of the distributor sub is greater than the wall thickness of the fracturing master pipe.

Further, the distributor joint is connected with the fracturing main pipe through a flange.

Further, the fracturing pump assembly also comprises a fracturing head, and the fracturing head is arranged at the tail end of the fracturing pipeline.

Furthermore, the fracturing pipeline comprises a plurality of distributor joints which are connected to the fracturing main pipe at intervals, and one distributor joint is correspondingly connected with the two pumps.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

the technical scheme of this application, every distributor connects has a plurality of minutes imports, and every distributor connects about two sides all have with a plurality of exports of a pump one-to-one set up and branch import that connects, need not link to each other a pump and a plurality of distributor joint like this, the quantity that the distributor connects has been reduced like this, because the pump squeezes fluid into the distributor in connecting, it is responsible for to mix the entering fracturing at the distributor joint, the structure of this application has reduced the quantity that the distributor that erodees connects, the risk that the distributor that takes place to erode the damage connects has been reduced. The technical scheme of this application has solved fracturing pump package spare among the prior art effectively when using, and the main line takes place the erosion easily and causes dangerous problem.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 shows a schematic structural view of a fracturing pump assembly according to a first embodiment of the present application;

FIG. 2 shows a schematic perspective view of the dispenser joint of FIG. 1;

fig. 3 shows a schematic cross-sectional view of the dispenser joint of fig. 2.

Wherein the figures include the following reference numerals:

10. a pump; 20. fracturing the pipeline; 21. fracturing the main pipe; 22. a dispenser fitting.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1-3, a fracturing pump assembly of an embodiment one includes: a plurality of pumps 10 and a fracturing line 20. Each pump 10 has a plurality of discharge ports. The fracturing pipeline 20 comprises a fracturing main pipe 21 and a distributor connector 22, the distributor connector 22 comprises a main inlet, a main outlet and a plurality of branch inlets, the main inlet and the main outlet are respectively located on the front side and the rear side of the distributor connector 22, the branch inlets are respectively located on the left side and the right side of the distributor structure, the main inlet and the main outlet of the distributor connector 22 are respectively connected to the fracturing main pipe 21, and a plurality of outlets of one pump 10 are connected with a plurality of branch inlets on one side of the distributor connector 22 in a one-to-one correspondence manner.

According to the technical scheme, each distributor joint is provided with a plurality of branch inlets, the left side surface and the right side surface of each distributor joint are respectively provided with the branch inlets which are in one-to-one correspondence with the outlets of one pump and connected with the outlets, so that one pump is not required to be connected with a plurality of distributor joints, the number of the distributor joints is reduced, fluid is pumped into the distributor joints by the pump and then mixed into the fracturing main pipe at the distributor joints, the number of the distributor joints subjected to erosion is reduced by the structure of the first embodiment, and the risk of the distributor joints subjected to erosion damage is reduced. The technical scheme of the first embodiment has solved the fracturing pump package among the prior art effectively when using, and the main line takes place to erode easily and causes dangerous problem.

As shown in fig. 1, in the first embodiment, the number of discharge ports of each pump 10 is two, the number of the branch inlets is four, and the two discharge ports of the pumps 10 communicate with the discharge ports of the two pumps 10 on one side of the distributor block 22. The structure is convenient to install and flexible to use. Specifically, the inlet ports of each side are arranged at intervals along the direction in which the fluid moves. The left-right direction in fig. 1 is the front-rear direction, the inside-outside direction in fig. 1 is the left-right direction, and the up-down direction in fig. 1 is the up-down direction.

As shown in fig. 1, in the first embodiment, the cross-sectional area of the main flow passage of the distributor fitting 22 is greater than four times the cross-sectional area of the sub-inlet of the distributor fitting 22. The structure can reduce erosion, and the technical scheme of the first embodiment is that the four branch inlets enable inflow fluid to suddenly enter the interior of the distributor joint 22 with a larger volume, so that the flow speed of the fluid is reduced, erosion is reduced, and the service life of the fracturing pump assembly is prolonged.

As shown in fig. 1, in the first embodiment, the inner wall surface of the distributor adapter 22 is arc-shaped. The inner wall surface of the distributor sub 22 is arc-shaped, so that the scouring caused by high speed of the fluid is reduced, and if the inner wall surface of the distributor sub 22 is angular, the scouring is more serious.

As shown in fig. 1, in the first embodiment, the plurality of branch inlets on the left and right sides of the distributor joint 22 are symmetrically arranged along the vertical plane of the axis of the main fracturing pipe 21. This ensures that the forces are relatively uniform within the dispenser nipple 22. In the technical scheme of the first embodiment, the axis of the branch inlet is perpendicular to the axis of the fracturing main pipe.

As shown in fig. 1, in the first embodiment, a valve is provided between each discharge port of the pump 10 and the dispenser joint 22. The setting of valve can conveniently cut off the fluid that gets into fracturing main pipe 21, according to actual conditions's needs, also can be through the inside pressure of valve regulation fracturing main pipe 21.

As shown in fig. 1, in the first embodiment, the wall thickness of the distributor sub 22 is greater than the wall thickness of the frac main pipe 21. Such a dispenser adapter 22 is not easily damaged and has a long life cycle.

As shown in fig. 1, in the first embodiment, the distributor joint 22 is connected to the fracturing main pipe 21 through a flange. Such a configuration facilitates servicing of the frac pump assembly, for example, by removing fasteners from the distributor sub 22 and frac main 21 when the distributor sub 22 needs to be replaced, without destroying the overall structure of the frac pump assembly.

As shown in fig. 1, in the first technical solution of the embodiment, the fracturing pump assembly further includes a fracturing head, and the fracturing head is disposed at the end of the fracturing line 20. The main inlet of the first embodiment of the fracturing head is communicated with a main fracturing pipe 21, and the fracturing head is provided with a plurality of outlets.

As shown in fig. 1, in the first embodiment, the fracturing line 20 includes a plurality of distributor joints 22, the distributor joints 22 are connected to the fracturing main pipe 21 at intervals, and one distributor joint 22 is connected to two pumps 10. The structure improves the pressure and the flow of the fracturing pump assembly.

According to the three-way discharge device, the two discharge pipelines are converged at the large-drift-diameter part, the branch lines converge at the front of the large-drift-diameter part, fluids do not interfere with each other, the potential safety hazard at the three-way part is eliminated, and the characteristics of large drift-diameter flow and high flushing resistance are fully utilized. Four side outlets of the fracturing six-way fully meet the use of a double-discharge fracturing pump. The defect that two cross joints are occupied by one fracturing pump with a large drift diameter in the prior art is overcome, and the occupied site is reduced. The structure is compact, the cost is reduced, and leakage points between partial four-way joints and the flange straight pipes are eliminated. The pump is connected via a connecting line to a valve which is connected to the distributor connection 22. It should be noted that, in the solution of the present embodiment, the distributor adapter 22 has a connecting portion, and the connecting portion is located on the bottom surface of the distributor adapter 22, so that the distributor adapter 22 can be fixed, and such a structure can reduce the vibration and prevent the danger caused by the vibration. Specifically, the connection portion is a plurality of threaded holes, and the plurality of threaded holes are respectively provided at intervals in the circumferential direction of the bottom surface of the dispenser head 22. The structure has lower processing cost and is easy to disassemble.

The technical scheme of the second embodiment is different from the technical scheme of the first embodiment in that the axis of the branch inlet and the axis of the fracturing main pipe form an obtuse angle, so that the fluid entering the fracturing main pipe from the branch inlet can have a forward speed, and further energy is saved.

A fracturing pump assembly of the second embodiment, comprising: a plurality of pumps 10 and a fracturing line 20. Each pump 10 has a plurality of discharge ports. The fracturing pipeline 20 comprises a fracturing main pipe 21 and a distributor connector 22, the distributor connector 22 comprises a main inlet, a main outlet and a plurality of branch inlets, the main inlet and the main outlet are respectively located on the front side and the rear side of the distributor connector 22, the branch inlets are respectively located on the left side and the right side of the distributor structure, the main inlet and the main outlet of the distributor connector 22 are respectively connected to the fracturing main pipe 21, and a plurality of outlets of one pump 10 are connected with a plurality of branch inlets on one side of the distributor connector 22 in a one-to-one correspondence manner.

According to the technical scheme of the second embodiment, each distributor joint is provided with a plurality of branch inlets, the left side surface and the right side surface of each distributor joint are respectively provided with the branch inlets which are in one-to-one correspondence with the outlets of one pump and connected with the outlets, so that one pump is not required to be connected with a plurality of distributor joints, the number of the distributor joints is reduced, fluid is pumped into the distributor joints by the pump and then mixed into the fracturing main pipe at the distributor joints, the number of the distributor joints subjected to erosion is reduced by the structure of the second embodiment, and the risk of the distributor joints subjected to erosion damage is reduced. The second technical scheme of embodiment has solved the fracturing pump package among the prior art effectively when using, and the main line takes place to erode easily and causes dangerous problem.

In the second embodiment, the number of the discharge ports of each pump 10 is two, the number of the branch inlets is four, and the two discharge ports of the pumps 10 are communicated with the discharge ports of the two pumps 10 on one side of the distributor joint 22. The structure is convenient to install and flexible to use. Specifically, the inlet ports of each side are arranged at intervals along the direction in which the fluid moves. The left-right direction in fig. 1 is the front-rear direction, the inside-outside direction in fig. 1 is the left-right direction, and the up-down direction in fig. 1 is the up-down direction.

In the second technical solution, the cross-sectional area of the main flow passage of the distributor joint 22 is greater than four times the cross-sectional area of the sub-inlets of the distributor joint 22. The structure can reduce erosion, and the technical scheme of the second embodiment is that the four branch inlets are adopted, and the inflowing fluid suddenly enters the interior of the distributor joint 22 with a larger volume, so that the flow velocity of the fluid is reduced, the erosion is reduced, and the service cycle of the fracturing pump assembly is prolonged.

In the second embodiment, the inner wall surface of the distributor adapter 22 is arc-shaped. The inner wall surface of the distributor sub 22 is arc-shaped, so that the scouring caused by high speed of the fluid is reduced, and if the inner wall surface of the distributor sub 22 is angular, the scouring is more serious.

In the second technical solution, the branch inlets on the left and right sides of the distributor adapter 22 are symmetrically arranged along the vertical plane of the axis of the main fracturing pipe 21. This ensures that the forces are relatively uniform within the dispenser nipple 22.

In the second embodiment, a valve is provided between each discharge port of the pump 10 and the dispenser joint 22. The setting of valve can conveniently cut off the fluid that gets into fracturing main pipe 21, according to actual conditions's needs, also can be through the inside pressure of valve regulation fracturing main pipe 21.

In the second embodiment, the wall thickness of the distributor sub 22 is greater than the wall thickness of the frac main pipe 21. Such a dispenser adapter 22 is not easily damaged and has a long life cycle.

In the second technical solution, the distributor joint 22 is connected with the fracturing main pipe 21 through a flange. Such a configuration facilitates servicing of the frac pump assembly, for example, by removing fasteners from the distributor sub 22 and frac main 21 when the distributor sub 22 needs to be replaced, without destroying the overall structure of the frac pump assembly.

In the second technical solution, the fracturing pump assembly further includes a fracturing head, and the fracturing head is disposed at the end of the fracturing line 20.

The main inlet of the second embodiment of the fracturing head is communicated with a main fracturing pipe 21, and the fracturing head is provided with a plurality of outlets.

In the second embodiment, the fracturing line 20 includes a plurality of distributor joints 22, the distributor joints 22 are connected to the fracturing main pipe 21 at intervals, and one distributor joint 22 is connected to two pumps 10 correspondingly. The structure improves the pressure and the flow of the fracturing pump assembly.

It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fracturing pump assembly, comprising:

a plurality of pumps (10), each pump (10) having a plurality of discharge ports;

fracturing pipeline (20), fracturing pipeline (20) are responsible for (21) and distributor joint (22) including the fracturing, distributor joint (22) are imported including main import, main export and a plurality of branch, main import with main export is located respectively the front and back both sides that distributor joint (22) connect, a plurality of branch are imported and are located respectively two sides about the distributor structure, distributor joint (22) main import with main export is connected respectively on fracturing is responsible for (21), one pump (10) a plurality of exports with a plurality of branch imports of a side that distributor joint (22) link to each other one-to-one.

2. The fracturing pump assembly of claim 1, wherein each pump (10) has two discharge ports, the plurality of sub-inlets is four, and the two discharge ports of the pump (10) communicate with the discharge ports of the two pumps (10) on one side of the distributor sub (22).

3. The frac pump assembly of claim 2, wherein the cross-sectional area of the primary flow passage of the distributor sub (22) is greater than four times the cross-sectional area of the sub inlet of the distributor sub (22).

4. A fracturing pump assembly according to claim 3, wherein the inner wall surfaces of the distributor sub (22) are both arcuate.

5. The fracturing pump assembly of claim 1, wherein the plurality of branch inlets on the left and right sides of the distributor sub (22) are symmetrically disposed along a vertical plane passing through the axis of the fracturing main pipe (21).

6. A fracturing pump assembly according to claim 1, wherein a valve is provided between each discharge of the pump (10) and the distributor nipple (22).

7. The fracturing pump assembly of claim 1, wherein the wall thickness of the distributor sub (22) is greater than the wall thickness of the fracturing master pipe (21).

8. The fracturing pump assembly of claim 1, wherein the distributor sub (22) is flanged to the fracturing main pipe (21).

9. The fracturing pump assembly of claim 1, further comprising a fracturing head disposed at an end of the fracturing line (20).

10. The fracturing pump assembly of any one of claims 1 to 9, wherein the fracturing line (20) comprises a plurality of distributor subs (22), the plurality of distributor subs (22) being connected to the fracturing main (21) at intervals, one distributor sub (22) being connected to each of the two pumps (10).