CN209469399U - A kind of workover fluid reverse circulation apparatus for fast switching - Google Patents

Abstract

The utility model discloses a kind of workover fluid reverse circulation apparatus for fast switching, the connectivity part of direct circulation flushing pipe and the reverse circulation washing pipeline and the shared pipeline is equipped with the switch piece, the switch piece includes protrusion limiting section, movable balls, rocking bar and baffle, the protrusion limit integrally connects place, the bottom of the protrusion limiting section is provided with a groove, the bottom of the groove is provided with a through-hole, shaft is inserted into the through-hole and the shaft is inserted into the connectivity part, the top of the shaft is fixedly connected with the baffle, the top of the shaft is fixedly connected with the movable balls and the movable balls limit in the groove, the top of the movable balls is fixedly attached to the rocking bar, the protrusion limiting section is equipped with a sleeve and the sleeve and the protrusion limiting section are rotatablely connected.The utility model realizes that the reverse circulation of workover fluid, switching method are easy by stirring rocking bar.

Description

A kind of workover fluid reverse circulation apparatus for fast switching

Technical field

The utility model relates to technical field of petroleum industry, in particular to a kind of workover fluid reverse circulation is switched fast dress It sets.

Background technique

Currently, carrying out direct flushing construction when oil-water well workover treatment well-flushing, construction or reacting cycle well-flushing being applied Work must switch the connection of manifold of ground and surface line and tubing valve and sleeve valve.Underground when well-flushing, construction Often there are complex situations, makes smoothly normally complete direct flushing or reacting cycle well-flushing in construction, it is necessary to which change is washed The form of construction work of well.Manifold of ground is connected by union, and the pipeline of disassembly union connection must just be incited somebody to action in union junction It is broken, re-attached pipeline.The process for reconnecting pipeline is cumbersome, and time-consuming.And pipeline breaks rear well workover liquid flow It to construction site, causes construction site wet and slippery, not only polluted well site, operator constructs on wet and slippery well site, very It is easy to happen safety accident.

Utility model content

(1) technical problems to be solved

In view of the deficiencies of the prior art, the utility model provides a kind of workover fluid reverse circulation apparatus for fast switching, solution The problem of existing switching device switching method of having determined is cumbersome, reduces operator's amount of labour.

(2) technical solution

The utility model is achieved through the following technical solutions:

A kind of workover fluid reverse circulation apparatus for fast switching, including changeover module, the changeover module include direct circulation punching It washes pipeline, reverse circulation washing pipeline, shared pipeline and switch piece, one end of the direct circulation flushing pipe and is communicated to pump truck, The other end of the direct circulation flushing pipe is communicated to shared pipeline, and one end of the reverse circulation washing pipeline is communicated to circulation Pond, the other end of the reverse circulation washing pipeline are also communicated to shared pipeline, the direct circulation flushing pipe and the reacting cycle The connectivity part of flushing pipe and the shared pipeline is equipped with the switch piece, the switch piece include protrusion limiting section, movable balls, Rocking bar and baffle, the protrusion limit integrally connect place, and the bottom of the protrusion limiting section is provided with a groove, institute The bottom for stating groove is provided with a through-hole, is inserted into shaft in the through-hole and the shaft is inserted into the connectivity part, the shaft Top be fixedly connected with the baffle, the top of the shaft is fixedly connected with the movable balls and the movable balls are limited to In the groove, the top of the movable balls is fixedly attached to the rocking bar, and the protrusion limiting section is equipped with a sleeve And the sleeve and the protrusion limiting section are rotatablely connected.

Preferably, the rocking bar includes vertical part and the horizontal part, and the vertical portion passes through locating sleeve and the vertical portion It is fixedly attached to the movable balls.

Preferably, the perpendicular intersection of the baffle and the radius of the baffle and the direct circulation flushing pipe and instead The pipe radius of circulation flushing pipeline is identical.

Preferably, sealing ring is equipped between the upper half of the movable end and the lower end surface of the sleeve.

Preferably, the surface of the protrusion limiting section is equipped with a sliding slot, the inner surface edge of the sleeve along its circumferencial direction Its circumferencial direction is equipped with slip ring, and the sliding slot is slidably connected with the slip ring.

Preferably, the inner surface of the direct circulation flushing pipe and reverse circulation washing pipeline and shared pipeline is coated with Erosion shield.

(3) beneficial effect

Compared with prior art, the beneficial effects of the utility model are as follows:

The direct circulation flushing pipe of the utility model is connected to reverse circulation washing pipeline, and therewith by shared pipeline Connection, switch piece is directly placed at connectivity part in this way, switching method is easier, the switch piece include protrusion limiting section, Movable balls, rocking bar and baffle, the protrusion limit integrally connect place, and the bottom of the protrusion limiting section is provided with one Groove, the bottom of the groove are provided with a through-hole, are inserted into shaft in the through-hole and the shaft is inserted into the connectivity part, institute The top for stating shaft is fixedly connected with the baffle, and the top of the shaft is fixedly connected with the movable balls and the movable balls It limits in the groove, the top of the movable balls is fixedly attached to the rocking bar, and the protrusion limiting section is equipped with a set of Cylinder and the rotation connection of the sleeve and the protrusion limiting section, first when direct circulation is rinsed, turn right horizontal part, makes baffle Both ends offset with the reverse circulation washing pipeline, avoid that reacting cycle liquid stream is logical, and similarly, turn left horizontal part in this way, So that the both ends of baffle is offseted with the direct circulation flushing pipe, it is logical to avoid direct circulation liquid stream in this way, it is only necessary to swing horizontal Portion can realize that reverse circulation rinses, and operating method is easy.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the partial structural diagram of the utility model.

In figure: 1, direct circulation flushing pipe；2, reverse circulation washing pipeline；3, pipeline is shared；4, connectivity part；5, pump truck；6, Circulatory pool；7, limiting section is protruded；8, groove；9, through-hole；10, shaft；11, baffle；12, movable balls；13, sleeve；14, vertical Portion；15, horizontal part；16, sealing ring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

As shown in Figs. 1-2, the utility model provides a kind of technical solution:

A kind of workover fluid reverse circulation apparatus for fast switching, including changeover module, the changeover module include direct circulation punching It washes pipeline 1, reverse circulation washing pipeline 2, shared pipeline 3 and switch piece, one end of the direct circulation flushing pipe 1 and is communicated to pump Vehicle 5, the other end of the direct circulation flushing pipe 1 are communicated to shared pipeline 3, one end connection of the reverse circulation washing pipeline 2 To circulatory pool 6, the other end of the reverse circulation washing pipeline 2 is also communicated to shared pipeline 3, the direct circulation flushing pipe 1 with The connectivity part 4 of the reverse circulation washing pipeline 2 and the shared pipeline 3 is equipped with the switch piece, and the switch piece includes protrusion Limiting section 7, movable balls 12, rocking bar and baffle 11,7 integration of protrusion limiting section connect place 4, the protrusion limit The bottom in portion 7 is provided with a groove 8, and the bottom of the groove 8 is provided with a through-hole 9, is inserted into shaft 10 and described turn in the through-hole 9 Axis 10 is inserted into the connectivity part 4, and the top of the shaft 10 is fixedly connected with the baffle 11, and the top of the shaft 10 is solid Surely the movable balls 12 are connected with and the movable balls 12 are limited in the groove 8, the top of the movable balls 12 is fixed to be connected It is connected to the rocking bar, the protrusion limiting section 7 is equipped with a sleeve 13 and the sleeve 13 and the protrusion limiting section 7 rotate Connection.

In the present embodiment, the rocking bar includes vertical portion 14 and horizontal part 15, and the vertical portion 14 passes through locating sleeve 13 and the vertical portion 14 be fixedly attached to the movable balls 12.Facilitate and carries out swinging horizontal part 15.

In the present embodiment, the perpendicular intersection of the baffle 11 and the radius of the baffle 11 and the direct circulation are rushed It is identical with the pipe radius of reverse circulation washing pipeline 2 to wash pipeline 1.

In the present embodiment, sealing ring is equipped between the upper half of the movable balls 12 and the lower end surface of the sleeve 13 16.Prevent movable balls 12 from deviating from the sleeve 13.

In the present embodiment, the surface of the protrusion limiting section 7 is equipped with a sliding slot along its circumferencial direction, the sleeve 13 Inner surface is equipped with slip ring along its circumferencial direction, and the sliding slot is slidably connected with the slip ring.Keep sleeve 13 and protrusion limiting section 7 sliding Dynamic is more smooth.

In the present embodiment, the interior table of the direct circulation flushing pipe 1 and reverse circulation washing pipeline 2 and shared pipeline 3 Face is coated with erosion shield.It prolongs its service life.

In Fig. 1-2, the direct circulation flushing pipe 1 of the utility model is connected to reverse circulation washing pipeline 2, and will be total to There is pipeline 3 to be therewith connected to, switch piece is directly placed at connectivity part 4 in this way, switching method is easier, the switch piece Including protrusion limiting section 7, movable balls 12, rocking bar and baffle 11,7 integration of protrusion limiting section connects place 4, described The bottom of protrusion limiting section 7 is provided with a groove 8, and the bottom of the groove 8 is provided with a through-hole 9, is inserted into shaft 10 in the through-hole 9 And the shaft 10 is inserted into the connectivity part 4, the top of the shaft 10 is fixedly connected with the baffle 11, the shaft 10 Top be fixedly connected with the movable balls 12 and the movable balls 12 are limited in the groove 8, the top of the movable balls 12 End is fixedly attached to the rocking bar, and the protrusion limiting section 7 is equipped with a sleeve 13 and the sleeve 13 and the protrusion limit Portion 7 is rotatablely connected, and first when direct circulation is rinsed, turn right horizontal part 15, rushes the both ends of baffle 11 and the reacting cycle It washes pipeline 2 to offset, avoids reacting cycle liquid stream in this way and lead to, similarly, turn left horizontal part 15, makes both ends and the institute of baffle 11 It states direct circulation flushing pipe 1 to offset, it is logical to avoid direct circulation liquid stream in this way, it is only necessary to which swinging horizontal part 15 can realize just Reverse circulation washing, operating method are easy.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of workover fluid reverse circulation apparatus for fast switching, it is characterised in that: including changeover module, the changeover module includes Direct circulation flushing pipe (1), reverse circulation washing pipeline (2), shared pipeline (3) and switch piece, the direct circulation flushing pipe (1) one end is communicated to pump truck (5), and the other end of the direct circulation flushing pipe (1) is communicated to shared pipeline (3), described anti- One end of circulation flushing pipeline (2) is communicated to circulatory pool (6), and the other end of the reverse circulation washing pipeline (2) is also communicated to altogether Have pipeline (3), the connection of the direct circulation flushing pipe (1) and the reverse circulation washing pipeline (2) and the shared pipeline (3) To locate (4) and is equipped with the switch piece, the switch piece includes protruding limiting section (7), movable balls (12), rocking bar and baffle (11), Protrusion limiting section (7) integration connects place (4), and the bottom of protrusion limiting section (7) is provided with a groove (8), institute The bottom for stating groove (8) is provided with a through-hole (9), is inserted into shaft (10) in the through-hole (9) and the shaft (10) is inserted into institute It states connectivity part (4), the top of the shaft (10) is fixedly connected with the baffle (11), and the top of the shaft (10) is fixed to be connected It is connected to the movable balls (12) and the movable balls (12) is limited in the groove (8), the top of the movable balls (12) is solid Surely it is connected to the rocking bar, the protrusion limiting section (7) is equipped with a sleeve (13) and the sleeve (13) and the protrusion limit Position portion (7) rotation connection.

2. a kind of workover fluid reverse circulation apparatus for fast switching according to claim 1, it is characterised in that: the rocking bar packet Vertical portion (14) and horizontal part (15) are included, the vertical portion (14) passes through locating sleeve (13) and the vertical portion (14) fixed company It is connected to the movable balls (12).

3. a kind of workover fluid reverse circulation apparatus for fast switching according to claim 1, it is characterised in that: the baffle (11) radius of perpendicular intersection and the baffle (11) and the direct circulation flushing pipe (1) and reverse circulation washing pipeline (2) pipe radius is identical.

4. a kind of workover fluid reverse circulation apparatus for fast switching according to claim 1, it is characterised in that: the movable balls (12) sealing ring (16) are equipped between the lower end surface of the upper half and the sleeve (13).

5. a kind of workover fluid reverse circulation apparatus for fast switching according to claim 1, it is characterised in that: the protrusion limit The surface in position portion (7) is equipped with a sliding slot along its circumferencial direction, and the inner surface of the sleeve (13) is equipped with slip ring along its circumferencial direction, The sliding slot is slidably connected with the slip ring.

6. a kind of workover fluid reverse circulation apparatus for fast switching according to claim 1, it is characterised in that: the direct circulation The inner surface of flushing pipe (1) and reverse circulation washing pipeline (2) and shared pipeline (3) is coated with erosion shield.