CN207033426U

CN207033426U - Oil extraction in oil field filter

Info

Publication number: CN207033426U
Application number: CN201720948510.0U
Authority: CN
Inventors: 安梅珠; 吴建辉; 郭俊伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-07-31
Filing date: 2017-07-31
Publication date: 2018-02-23
Anticipated expiration: 2027-07-31

Abstract

The utility model discloses a kind of oil extraction in oil field filter, including filtering outer tube, upper adpting flange, lower adpting flange, filtering inner tube, the first filtering sieve plate, pouring orifice, oil-out, filtered motor, filtering screw rod, sand export, the second filtering sieve plate and the 3rd filtering sieve plate；Filtering inner tube is located in filtering outer tube, upper adpting flange, lower adpting flange, pouring orifice, oil-out, sand export even filter outer tube, first filtering sieve plate is located in filtering outer tube, filtered motor is arranged on the outside side of filtering outer tube, filtering screw rod connects filtered motor and tilted to be arranged in sand export through filtering outer tube and filtering inner tube, the other end for filtering screw rod；Second filtering sieve plate is arranged in filtering outer tube, and filtering inner tube is through the second filtering sieve plate；3rd filtering sieve plate is arranged on the inwall lower end of filtering outer tube.The utility model energy multi-filtering crude oil, reduces fuel-displaced sand content, goes out oil quality and greatly improve, effectively improve oil recovery efficiency.

Description

Oil extraction in oil field filter

Technical field

It the utility model is related to a kind of oil recovery machiner part, more particularly to a kind of oil extraction in oil field filter.

Background technology

In oil field in producing well, a certain amount of sand grains is contained in the well liquid flowed out from stratum, when sand grain content is higher When, oil well production will be influenceed, causes sand to bury extracting device of oil or sand grains abrasion extracting device of oil, causes oil well to produce or shorten Production cycle, great economic loss is produced, at present, as many oil wells are more in normally production half a year, will largely shaked out, and With the aqueous rising of oil well, sand production is serious, and the sand control screen that general oil well uses, it is impossible to effectively prevents part Sand grains enters pump barrel, and is pumped down to ground, causes formation depletion, sand buries oil reservoir so that the sustainability of oil well is difficult to maintain, sternly It can more cause to stop production during weight.

Utility model content

The purpose of this utility model：A kind of oil extraction in oil field filter is provided, simple in construction, easy to use, cost is low.

To achieve these goals, the technical solution of the utility model is：

A kind of oil extraction in oil field filter, including filtering outer tube, upper adpting flange, lower adpting flange, filtering inner tube, first Filter sieve plate, pouring orifice, oil-out, filtered motor, filtering screw rod, sand export, the second filtering sieve plate and the 3rd filtering sieve plate；Institute The filtering outer tube and filtering inner tube stated are respectively round tubular structure, and described filtering inner tube is arranged on described filtering outer tube Interior, described upper adpting flange is arranged on the upper end of described filtering outer tube, and described lower adpting flange is arranged on described mistake Filter the lower end of outer tube；The first described filtering sieve plate is arranged in described filtering outer tube, positioned at the top of described filtering inner tube Portion, described first filtering sieve plate center to lower recess be in funnel-shaped structure；Described pouring orifice is arranged on described filtering The upper end of outer tube, described oil-out are arranged on the lower end of described filtering outer tube, and described sand export is arranged on described mistake In the side wall for filtering outer tube；Described filtered motor is arranged on the outside side of described filtering outer tube, outside described filtering The bottom of pipe, one end of described filtering screw rod is coaxially connected with the output shaft of described filtered motor and synchronous axial system, described The surface of filtering screw rod be helical structure；Described filtering screw rod is from a side-lower to opposite side inclined upward through described Outer tube and filtering inner tube are filtered, the other end of described filtering screw rod is arranged in described sand export；The second described filtering Sieve plate is arranged in described filtering outer tube, and described filtering inner tube is through the second described filtering sieve plate；The 3rd described mistake Screen plate is arranged on the inwall lower end of described filtering outer tube, positioned at the lower section of the second described filtering sieve plate, and described the Gap is left between three filtering sieve plates and the described second filtering sieve plate；Described filtering outer tube, upper adpting flange, lower connection method Blue, filtering inner tube, the first filtering sieve plate, pouring orifice, oil-out, the second filtering sieve plate and the 3rd filtering sieve plate are coaxially disposed.

Above-mentioned oil extraction in oil field filter, wherein, the described second filtering sieve plate and described 3rd filtering sieve plate it Between be connected with more bearing bars, more described bearing bars are vertically arranged in described filtering outer tube and filtering inner tube.

Above-mentioned oil extraction in oil field filter, wherein, multiple oil seepage holes are interval with described filtering inner tube, are made described Filtering inner tube connected with described filtering outer tube.

Above-mentioned oil extraction in oil field filter, wherein, described filtering outer tube is provided with motor protecting cover, described motor Protective cover cover is covered in described filtered motor and filtered outside the end of screw rod.

Above-mentioned oil extraction in oil field filter, wherein, it is interval with a plurality of reinforcement, institute on the described first filtering sieve plate The a plurality of reinforcement stated is radially arranged along the first described filtering sieve plate.

Above-mentioned oil extraction in oil field filter, wherein, hard point is provided with the center of the described first filtering sieve plate, it is described A plurality of reinforcement welded together by described hard point.

Above-mentioned oil extraction in oil field filter, wherein, the inwall of described filtering outer tube is provided with thickening layer, and described adds Thick-layer is structure as a whole with described filtering outer tube.

The utility model energy multi-filtering crude oil, reduces fuel-displaced sand content, goes out oil quality and greatly improve, effectively improve and adopt Oily efficiency.

Brief description of the drawings

Fig. 1 is the sectional view of the utility model oil extraction in oil field filter.

Fig. 2 is the top view of the filtering outer tube of the utility model oil extraction in oil field filter.

Embodiment

Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.

Refer to shown in accompanying drawing 1, a kind of oil extraction in oil field filter, including filtering outer tube 1, upper adpting flange 2, lower connection Flange 3, filtering inner tube 4, first filter sieve plate 5, pouring orifice 6, oil-out 7, filtered motor 8, filtering screw rod 9, sand export 10, the Two filtering sieve plates 11 and the 3rd filter sieve plate 12；Described filtering outer tube 1 and filtering inner tube 4 respectively round tubular structure, institute The filtering inner tube 4 stated is arranged in described filtering outer tube 1, and described upper adpting flange 2 is arranged on described filtering outer tube 1 Upper end, described lower adpting flange 3 are arranged on the lower end of described filtering outer tube 1；The first described filtering sieve plate 5 is arranged on institute In the filtering outer tube 1 stated, positioned at the top of described filtering inner tube 4, the center of the described first filtering sieve plate 5 is in lower recess Funnel-shaped structure；Described pouring orifice 6 is arranged on the upper end of described filtering outer tube 1, and described oil-out 7 is arranged on described The lower end of outer tube 1 is filtered, described sand export 10 is arranged in the side wall of described filtering outer tube 1；Described filtered motor 8 is set Put in the outside side of described filtering outer tube 1, positioned at the bottom of described filtering outer tube 1, one end of described filtering screw rod 9 The coaxially connected and synchronous axial system with the output shaft of described filtered motor 8, the surface of described filtering screw rod 9 is helical structure； Described filtering screw rod 9 through described filtering outer tube 1 and filters inner tube 4 from a side-lower to opposite side inclined upward, described The other end of filtering screw rod 9 be arranged in described sand export 10；The second described filtering sieve plate 11 is arranged on described mistake Filter in outer tube 1, described filtering inner tube 4 is through the second described filtering sieve plate 11；The 3rd described filtering sieve plate 12 is arranged on The inwall lower end of described filtering outer tube 1, positioned at the lower section of the second described filtering sieve plate 11, and the described the 3rd filters sieve plate 12 and described second filtering sieve plate 11 between leave gap；Described filtering outer tube 1, upper adpting flange 2, lower adpting flange 3, Filtering inner tube 4, first filters sieve plate 5, pouring orifice 6, the filtering sieve plate 11 and the 3rd of oil-out 7, second and filters sieve plate 12 and coaxially set Put.

More bearing bars 13 are connected between described the second filtering sieve plate 11 and the described the 3rd filtering sieve plate 12, it is described More bearing bars 13 be vertically arranged in described filtering outer tube 1 and filtering inner tube 4, preferable load-bearing effect can be played, kept away Exempt from the crack damage of the second filtering sieve plate 11, and storage sand and filtering are reserved between the second filtering sieve plate 11 and Duo Gen bearing bars 13 Space.

Multiple oil seepage holes 14 are interval with described filtering inner tube 4, are made outside described filtering inner tube 4 and described filtering Pipe 1 connects, and is easy to filtering, permeability.

Described filtering outer tube 1 is provided with motor protecting cover 15, and described motor protecting cover 15 cover is covered in described filtering Outside the end of motor 8 and filtering screw rod 9, it can play a part of protecting filtered motor 8.

Refer to shown in accompanying drawing 2, be interval with a plurality of reinforcement 16 on the described first filtering sieve plate 5, described is a plurality of Reinforcement 16 is radially arranged along the first described filtering sieve plate 5, can play a part of improving the intensity of the first filtering sieve plate 5, Increase the service life, weight capacity is strong.

Hard point 17 is provided with the center of the first described filtering sieve plate 5, described a plurality of reinforcement 16 is by described Hard point 17 welds together, and further improves the intensity and weight capacity of the first filtering sieve plate 5.

The inwall of described filtering outer tube 1 is provided with thickening layer 18, and described thickening layer 18 is with described filtering outer tube 1 It integrative-structure, can play a part of improving the intensity of filtering outer tube 1, avoid the crack damage of filtering outer tube 1 after long-term use.

In use, filtering outer tube 1 is connected into oil production equipment by upper adpting flange 2 and lower adpting flange 3, crude oil is from note Hydraulic fluid port 6 enters, and enters after being filtered by the first filtering sieve plate 5 in filtering outer tube 1 and filtering inner tube 4, through second after precipitation Filter sieve plate 11 and the 3rd and filter the secondary filter of sieve plate 12, then exported from oil-out 7；During precipitation, filtered motor 8 is controlled System filtering screw rod 9 rotates, and gravel is taken out of by spiral and exported from sand export 10, improves oil product；Filtered motor 8 can use existing There is the rotation motor of technology, the utility model repeats no more；Because filtering screw rod 9 is inclined upwardly settings, crude oil can be made to pass through again Smooth surface of the power along filtering screw rod 9 flows down, and gravel is then stuck in helicla flute and is carried over, and reaches preferable filtration.

In summary, the utility model energy multi-filtering crude oil, fuel-displaced sand content is reduced, goes out oil quality and greatly improve, Effectively improve oil recovery efficiency.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure transformation made using the utility model description, or it is directly or indirectly related with other are attached to The technical field of product, similarly it is included in scope of patent protection of the present utility model.

Claims

A kind of 1. oil extraction in oil field filter, it is characterised in that：Including filtering outer tube, upper adpting flange, lower adpting flange, filtering Inner tube, the first filtering sieve plate, pouring orifice, oil-out, filtered motor, filtering screw rod, sand export, the second filtering sieve plate and the 3rd mistake Screen plate；Described filtering outer tube and filtering inner tube is respectively round tubular structure, and described filtering inner tube is arranged on described Filter in outer tube, described upper adpting flange is arranged on the upper end of described filtering outer tube, and described lower adpting flange is arranged on The lower end of described filtering outer tube；The first described filtering sieve plate is arranged in described filtering outer tube, positioned at described filtering The top of inner tube, described first filtering sieve plate center to lower recess be in funnel-shaped structure；Described pouring orifice is arranged on institute The upper end for the filtering outer tube stated, described oil-out are arranged on the lower end of described filtering outer tube, and described sand export is arranged on In the side wall of described filtering outer tube；Described filtered motor is arranged on the outside side of described filtering outer tube, positioned at described Filtering outer tube bottom, coaxially connected with the output shaft of described filtered motor and synchronous turn of one end of described filtering screw rod Dynamic, the surface of described filtering screw rod is helical structure；Described filtering screw rod is passed through from a side-lower to opposite side inclined upward Described filtering outer tube and filtering inner tube are worn, the other end of described filtering screw rod is arranged in described sand export；Described Second filtering sieve plate is arranged in described filtering outer tube, and described filtering inner tube is through the second described filtering sieve plate；It is described The 3rd filtering sieve plate be arranged on the inwall lower end of described filtering outer tube, positioned at the lower section of the second described filtering sieve plate, and Gap is left between described the 3rd filtering sieve plate and the described second filtering sieve plate；Described filtering outer tube, upper adpting flange, Lower adpting flange, filtering inner tube, the first filtering sieve plate, pouring orifice, oil-out, the second filtering sieve plate and the 3rd filtering sieve plate are coaxial Set.
2. oil extraction in oil field filter according to claim 1, it is characterised in that：Described second filtering sieve plate with it is described The 3rd filtering sieve plate between be connected with more bearing bars, more described bearing bars be vertically arranged in described filtering outer tube and Filter in inner tube.
3. oil extraction in oil field filter according to claim 1, it is characterised in that：It is interval with described filtering inner tube Multiple oil seepage holes, described filtering inner tube is set to be connected with described filtering outer tube.
4. oil extraction in oil field filter according to claim 1, it is characterised in that：Described filtering outer tube is provided with motor Protective cover, described motor protecting cover cover are covered in described filtered motor and filtered outside the end of screw rod.
5. oil extraction in oil field filter according to claim 1, it is characterised in that：It is spaced on the first described filtering sieve plate Provided with a plurality of reinforcement, described a plurality of reinforcement is radially arranged along the first described filtering sieve plate.
6. oil extraction in oil field filter according to claim 5, it is characterised in that：The center of the first described filtering sieve plate Place is provided with hard point, and described a plurality of reinforcement is welded together by described hard point.
7. oil extraction in oil field filter according to claim 1, it is characterised in that：Set on the inwall of described filtering outer tube There is thickening layer, described thickening layer is structure as a whole with described filtering outer tube.