CN212174616U - Fine filtering device for completion fluid - Google Patents

Abstract

The utility model discloses a meticulous filter equipment of completion fluid, including the deposit room, be equipped with the funnel that runs through the deposit room top surface on the deposit room, be equipped with in the deposit room and keep apart filtering mechanism, deposit room one side is equipped with the centrifugal chamber, be equipped with inlet pipe, the discharging pipe that runs through deposit room top and centrifugal chamber top on deposit room and the centrifugal chamber respectively, the inlet pipe is connected with same water pump with the discharging pipe, the ring has been cup jointed on the terminal outer wall of discharging pipe, the centrifugal chamber bottom is equipped with the mounting groove, fixed mounting has the motor in the mounting groove, the terminal fixedly connected with of motor output shaft extends the connecting rod of mounting groove, the connecting rod cup joints the end drum of fixing in the centrifugal chamber bottom outward, connecting rod end extension drum and fixedly connected with connecting strip. The utility model discloses can filter completion fluid many times, realize meticulous filtration, promote the purity of completion fluid, reduce the influence of impurity to follow-up work in the completion fluid.

Description

Fine filtering device for completion fluid

Technical Field

The utility model relates to a petroleum machinery technical field especially relates to a fine filter equipment of completion fluid.

Background

Completion fluids are any fluid that contacts the producing formation used by the new well from the time the producing formation is drilled to the time of normal production. The method is generally used for replacing drilling mud in a shaft and cleaning the inside of the shaft, so that oil testing or perforation, well opening and closing, depth correction, gas lift, fracturing and other operations are facilitated.

Currently, completion fluids are generally roughly filtered or unfiltered in China due to the conditions of a drilling site, but the general completion fluids contain a certain amount of impurities inside, and if the completion fluids are unfiltered or roughly filtered, the subsequent operations can be affected, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fine filtering device for completion fluid.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fine filter equipment of completion fluid, includes the settling chamber, be equipped with the funnel that runs through the settling chamber top surface on the settling chamber, be equipped with in the settling chamber and keep apart filter mechanism, settling chamber one side is equipped with the centrifugal chamber, be equipped with inlet pipe, the discharging pipe that runs through settling chamber top and centrifugal chamber top on settling chamber and the centrifugal chamber respectively, the inlet pipe is connected with same water pump with the discharging pipe, the ring has been cup jointed on the terminal outer wall of discharging pipe, the centrifugal chamber bottom is equipped with the mounting groove, fixed mounting has the motor in the mounting groove, the terminal fixedly connected with of motor output shaft extends the connecting rod of mounting groove, the connecting rod overcoat is cup jointed the end and is fixed the drum in the centrifugal chamber bottom, the connecting rod end extends drum and fixedly connected with connecting strip, connecting strip upper end fixedly connected with centrifuging tube, the ring rotates to be connected in the spout, centrifuging tube both sides socle all is equipped with the drain, drain end threaded connection has the bottom, the deposit room all is equipped with the bin outlet with the centrifugal chamber side, every all be equipped with the valve on the bin outlet.

Preferably, keep apart filter mechanism and include the vertical division board of placing in the deposit room, the division board both sides respectively with deposit room both sides inner wall fixed connection, the fixed frame that is equipped with between division board and the deposit room inner wall, be equipped with two shapes in the frame and be the fixed strip of rectangle, two be fixed with the filter screen between the fixed strip.

Preferably, both the upper and lower ends of the isolation plate do not contact the inner wall of the settling chamber.

Preferably, the frame is located at the bottom edge of the partition and the end of the feed tube is located two centimeters above the frame.

Preferably, the centrifuge tube is a U-shaped structure, and the side wall of the centrifuge tube is provided with a mesh which is convenient for completion fluid to pass through.

Preferably, the settling chamber and the centrifugal chamber are both made of transparent resin materials, and the bottoms of the settling chamber and the centrifugal chamber are of inclined surface structures.

The utility model has the advantages that:

1. through setting up isolation filtering mechanism, when the completion fluid when the subsides of stewing in the subsider, because the effect of division board for the completion fluid passes through the filter screen and upwards stretches, after the subsides of stewing, under the effect of water pump, the completion fluid is extracted, and because the effect of filter screen, make the water pump can not siphon away the impurity that gets off depositing at the during operation, can prevent that impurity from blockking up the water pump, also can reduce the work of the centrifuge tube of being convenient for of the content of getting into the impurity in the centrifuge chamber.

2. Through setting up centrifuging tube, motor, connecting rod, drum, drive the connecting rod through the motor and rotate for connecting strip and centrifuging tube rotate, under the effect of centrifugal force, throw away the completion fluid from the centrifuging tube, and leave impurity in the centrifuging tube, the drum can prevent that the completion fluid from entering the motor from the gap in, can further get rid of impurity to the completion fluid, obtains the higher completion fluid of purity.

Drawings

Fig. 1 is a schematic structural diagram of a fine filtering device for completion fluid according to the present invention;

fig. 2 is a schematic structural diagram of a frame and a filter screen of the fine well completion fluid filtering device according to the present invention;

fig. 3 is an enlarged schematic view of a in fig. 1.

In the figure: 1 a settling chamber, 2 a centrifugal chamber, 3 a funnel, 4 a separation plate, 5 a frame, 6 a filter screen, 7 a fixing strip, 8 a feeding pipe, 9 a water pump, 10 a discharging pipe, 11 a circular ring, 12 a chute, 13 a centrifuge tube, 14 a connecting strip, 15 a cylinder, 16 a connecting rod, 17 a mounting groove, 18 a motor, 19 a valve, 20 a discharging port, 21 a sewage draining port and 22 a bottom cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a fine filtering apparatus for completion fluid, comprising a settling chamber 1, a funnel 3 penetrating the top surface of the settling chamber 1 is arranged on the settling chamber 1, an isolation filtering mechanism is arranged in the settling chamber 1, a centrifugal chamber 2 is arranged on one side of the settling chamber 1, a feeding pipe 8 and a discharging pipe 10 penetrating the top of the settling chamber 1 and the top of the centrifugal chamber 2 are respectively arranged on the settling chamber 1 and the centrifugal chamber 2, the feeding pipe 8 and the discharging pipe 10 are connected with a same water pump 9, a ring 11 is sleeved on the outer wall of the tail end of the discharging pipe 10, an installation groove 17 is arranged at the bottom of the centrifugal chamber 2, a motor 18 is fixedly arranged in the installation groove 17, a connecting rod 16 extending out of the installation groove 17 is fixedly connected to the tail end of an output shaft of the motor 18, a cylinder 15 having a tail end fixed at the bottom of the centrifugal chamber 2, be equipped with spout 12 on centrifuge tube 13's the entry inner wall, ring 11 rotates to be connected in spout 12, and centrifuge tube 13 both sides socle all is equipped with drain 21, and drain 21 end screw thread is connected with bottom 22, and the setting chamber 1 all is equipped with bin outlet 20 with centrifugal chamber 2 side, all is equipped with valve 19 on every bin outlet 20.

Further, keep apart filtering mechanism and include vertical division board 4 of placing in settling chamber 1, 4 both sides of division board respectively with 1 both sides inner wall fixed connection of settling chamber, fixedly between division board 4 and the 1 inner wall of settling chamber be equipped with frame 5, be equipped with two shapes in the frame 5 for the fixed strip 7 of rectangle, be fixed with filter screen 6 between two fixed strips 7.

Specifically, the upper end and the lower end of the partition plate 4 are not in contact with the inner wall of the settling chamber 1, so that the pressure intensity of the spaces on the two sides of the partition plate 4 is consistent, and the completion fluid can immerse the openings of the filter screen 6 and the feeding pipe 8.

Specifically, frame 5 is located 4 bottom edges on the division board, and the end of inlet pipe 8 is located two centimeters department above frame 5, and frame 5 and filter screen 6 can block impurity when water pump 9 absorbs the completion fluid, prevent that the impurity of settling chamber 1 bottom is siphoned away by water pump 9.

Further, centrifuging tube 13 is the U-shaped structure, and is equipped with the mesh that is convenient for completion fluid to pass through on centrifuging tube 13's the lateral wall, and centrifuging tube 13 can throw away completion fluid from the mesh when rotatory, leaves impurity in centrifuging tube 13.

Further, what subsider 1 and centrifugal chamber 2 is the transparent resin material, and subsider 1, centrifugal chamber 2 and centrifuging tube 13 bottom are the inclined plane structure, and the staff observation device inside of being convenient for of transparent material deposits, filters, centrifugal process, and the inclined plane structure can be so that the completion fluid of impurity in subsider 1 and the centrifuging tube 13, 2 bottoms of centrifugal chamber can be followed the inclined plane and flowed in corresponding pipeline completely, and then is discharged.

When the utility model is used, firstly, the well completion fluid to be filtered is injected into the settling chamber 1 through the funnel 3, after a period of standing, larger impurity particles are deposited at the bottom of the settling chamber 1, the liquid level of the well completion fluid submerges the end of the filter screen 6 and the inlet pipe 8, then the water pump 9 is started, the well completion fluid is pumped out from the settling chamber 1 and is input into the centrifuge tube 13 through the discharge pipe 10, the motor 18 is started, the connecting rod 16 connected with the end of the output shaft of the motor 18 rotates to further drive the centrifuge tube 13 to rotate, the well completion fluid is centrifuged and is thrown out of the centrifuge tube 13 under the action of centrifugal force, the rest impurities are blocked in the centrifuge tube 13, the control valve 19 is opened, the well completion fluid is collected through the discharge port 20 at the side of the centrifuge chamber 2, the bottom cover 22 is opened, the impurities in the centrifuge tube 13 are discharged into the centrifuge chamber 2 through the drain port 21, the impurities are collected through the drain port 20 at the side of the centrifuge chamber 2, the impurities in the settling chamber 1 are collected and the above operation is repeated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The fine filtering device for the completion fluid comprises a settling chamber (1) and is characterized in that a funnel (3) penetrating through the top surface of the settling chamber (1) is arranged on the settling chamber (1), an isolating and filtering mechanism is arranged in the settling chamber (1), a centrifugal chamber (2) is arranged on one side of the settling chamber (1), a feeding pipe (8) and a discharging pipe (10) penetrating through the top of the settling chamber (1) and the top of the centrifugal chamber (2) are respectively arranged on the settling chamber (1) and the centrifugal chamber (2), the feeding pipe (8) and the discharging pipe (10) are connected with a same water pump (9), a ring (11) is sleeved on the outer wall of the tail end of the discharging pipe (10), an installation groove (17) is arranged at the bottom of the centrifugal chamber (2), a motor (18) is fixedly installed in the installation groove (17), and a connecting rod (16) extending out of the installation groove (17) is fixedly connected, connecting rod (16) overcoat joint has terminal drum (15) of fixing in centrifuge chamber (2) bottom, connecting rod (16) end extends drum (15) and fixedly connected with connecting strip (14), connecting strip (14) upper end fixedly connected with centrifuging tube (13), be equipped with spout (12) on the entry inner wall of centrifuging tube (13), ring (11) rotate and connect in spout (12), centrifuging tube (13) both sides socle all is equipped with drain (21), drain (21) end screw thread connection has bottom (22), subsider (1) and centrifuge chamber (2) side all are equipped with bin outlet (20), every all be equipped with valve (19) on bin outlet (20).

2. The fine filtering device for completion fluid according to claim 1, wherein the isolating and filtering mechanism comprises an isolating plate (4) vertically placed in the settling chamber (1), two sides of the isolating plate (4) are respectively and fixedly connected with inner walls of two sides of the settling chamber (1), a frame (5) is fixedly arranged between the isolating plate (4) and the inner walls of the settling chamber (1), two fixing strips (7) in a rectangular shape are arranged in the frame (5), and a filter screen (6) is fixed between the two fixing strips (7).

3. A completion fluid fine filtering device according to claim 2, characterized in that the upper and lower ends of the partition plate (4) do not contact the inner wall of the settling chamber (1).

4. Completion fluid fine filtering device according to claim 2, characterized in that the frame (5) is located at the bottom edge of the partition plate (4) and the end of the feed pipe (8) is located two centimeters above the frame (5).

5. A completion fluid fine filtering device according to claim 1, wherein the centrifuge tube (13) is U-shaped and the side wall of the centrifuge tube (13) is provided with a mesh for facilitating the passage of completion fluid.

6. The fine filter device for the completion fluid according to claim 1, wherein the settling chamber (1) and the centrifugal chamber (2) are made of transparent resin, and the bottoms of the settling chamber (1) and the centrifugal chamber (2) are of an inclined plane structure.

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