CN213144445U - Oil production wellhead oil extraction device - Google Patents

Abstract

The utility model discloses an oil recovery well head oil recovery ware, including the oil field, the oil field downside is hidden the oil reservoir, and the up end right side fixed mounting in oil field has the oil-well pump, and the oil pipe fixedly connected with of portion of oil-well pump arranges oil pipe, the oil absorption pipe fixedly connected with right angle pipe fitting of oil-well pump, and the oil recovery ware is squeezed into to the inside in oil field, the lower port of the upper port fixed connection right angle pipe fitting of oil recovery ware. Through the internal fiber gap of asbestos fiber layer and glass fiber layer, can filter fine particle impurity and viscous substance in the oil in their outside, can reduce follow-up cost and the time of refining relatively, manganese steel fiber layer's impact resistance and crushing resistance are very strong, carbon steel layer's rigidity is strong, shock-resistant, and its metal is inside to be difficult to the fracture, cause whole oil production pipe to receive the gravity extrusion of oil field soil and the inside negative pressure effect of pumping oil for a long time under, prolong the life-span of oil recovery ware body.

Description

Oil production wellhead oil extraction device

Technical Field

The utility model relates to an oil recovery technical field specifically is an oil recovery well head oil recovery ware.

Background

The oil extraction engineering is a general term of various engineering technical measures taken on an oil reservoir by a production well and an injection well in the process of oil field exploitation according to development targets, is used as a comprehensive application subject, and researches theories, engineering design methods and implementation technologies of various engineering technical measures which can economically and effectively act on the oil reservoir to improve the yield of an oil well and the recovery ratio of crude oil.

The existing oil extraction wellhead oil extractor filters petroleum entering an oil extraction pipe through a micro leak hole arranged according to standards when an oil well pump runs, sand and stones in the petroleum can be filtered, but micro particle impurities and viscous substances in the petroleum cannot be filtered, the petroleum extraction is carried out without doubt subsequently, the substances need to be removed, the cost and the time for extraction are increased, meanwhile, an oil extraction pipe is used as a pipeline for extracting the petroleum for a long time, the oil extraction pipe is extruded by the gravity of the oil field land and the negative pressure for oil extraction in the oil field land for a long time, internal stress in the oil extraction pipe can be increased, the existing oil extraction pipe is made of all-cast iron, the rigidity and the pressure resistance are not high, the stress exceeds the metal fatigue degree of the oil extraction pipe quickly after long-term use, cracks appear on the surface of the oil extraction pipe easily, and.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil recovery well head oil recovery ware to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil recovery well head oil recovery ware, includes the oil field, the oil field downside is hidden the oil reservoir, the up end right side fixed mounting in oil field has the oil-well pump, the oil pipe portion fixedly connected with oil extraction pipe of oil-well pump, the oil absorption pipe portion fixedly connected with right angle pipe fitting of oil-well pump, the oil recovery ware is squeezed into to the inside in oil field, the last port fixed connection right angle pipe fitting's of oil recovery ware lower port.

Preferably, the oil extraction device comprises an oil extraction pipe, a circular perforated plate, a circular pipe, a glass fiber layer, an asbestos fiber layer, a triangular cutter and a steel wire rope, oil inlet holes are uniformly and annularly arranged at the lower side of the oil extraction pipe, and the circular plate is fixedly mounted at the lower side inside the oil extraction pipe.

Preferably, the well side fixed mounting of plectane has the pipe, the well downside annular of pipe is equipped with the small opening, the outside of pipe closely the cladding has the glass fiber layer, the outside on glass fiber layer closely is pressed and is covered with the asbestos fiber layer.

Preferably, the inside medial side annular of pipe is equipped with the triangle cutter, the inside upside of pipe transversely welds there is wire rope, oil production pipe's inside includes cast iron layer, manganese steel fiber layer, tungsten steel layer, carbon steel layer and stainless steel layer.

Preferably, a circular leakage net plate is fixedly arranged on the middle side of the inner wall of the oil inlet hole.

Preferably, the outer side of the cast iron layer is bonded with the inner side of the manganese steel fiber layer, the outer side of the manganese steel fiber layer is bonded with the inner side of the tungsten steel layer, the outer side of the tungsten steel layer is bonded with the inner side of the carbon steel layer, and the outer side of the carbon steel layer is bonded with the inner side of the stainless steel layer.

Compared with the prior art, the beneficial effects of the utility model are that: this oil recovery well head oil recovery ware, through the inside fibre gap of asbestos fibre layer and glass fiber layer, can filter fine particle impurity and viscidity material in the oil in their outside, can follow the better oil of oil extraction pipe discharge filter effect, can reduce follow-up cost and the time of refining relatively, manganese steel fibre layer's impact resistance and crushing resistance are very strong, and be difficult to appear metal fatigue, carbon steel layer's rigidity is strong, shock-resistant, and its metal is inside to be difficult to the fracture, cause whole oil production pipe to receive the gravity extrusion of oil field soil and under the negative pressure effect of its inside oil pumping for a long time, the life-span of extension oil recovery ware body.

Drawings

FIG. 1 is a partially cut-away front view of the present invention;

fig. 2 is an enlarged schematic structural diagram of the oil extraction device of the present invention;

fig. 3 is a schematic top view of the oil extractor of the present invention;

FIG. 4 is a schematic view of the distribution of the triangular cutters of the present invention;

FIG. 5 is a schematic diagram of the distribution of steel wires according to the present invention;

fig. 6 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1 oil field, 2 oil layers, 3 oil pumps, 4 oil discharge pipes, 5 right-angle pipe fittings, 6 oil extractors, 7 oil production pipes, 8 oil inlet holes, 9 circular perforated plates, 10 circular plates, 11 circular pipes, 12 perforated holes, 13 glass fiber layers, 14 asbestos fiber layers, 15 triangular cutters, 16 steel wire ropes, 17 cast iron layers, 18 manganese steel fiber layers, 19 tungsten steel layers, 20 carbon steel layers and 21 stainless steel layers.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: an oil extraction wellhead oil extraction device comprises an oil field 1, an oil layer 2 is hidden at the lower side of the oil field 1, an oil inlet 8 corresponds to the oil layer 2, an oil well pump 3 is fixedly installed at the right side of the upper end face of the oil field 1, the oil well pump 3 is 3022 in model, an oil outlet pipe part of the oil well pump 3 is fixedly connected with an oil discharge pipe 4, the oil discharge pipe 4 can discharge the extracted oil to a refined site, an oil suction pipe part of the oil well pump 3 is fixedly connected with a right-angle pipe fitting 5, an oil extraction device 6 is driven into the oil field 1, an upper end opening of the oil extraction device 6 is fixedly connected with a lower end opening of the right-angle pipe fitting 5, the oil extraction device 6 comprises an oil extraction pipe 7, a circular perforated plate 9, a circular plate 10, a circular pipe 11, a glass fiber layer 13, an asbestos fiber layer 14, a triangular cutter 15 and a steel wire rope 16, the oil inlet 8, the well downside annular of pipe 11 is equipped with the small opening 12, take off at oil-well pump 3, the small opening 12 through the even setting of annular, can guide oil to inside the pipe 11, the outside of pipe 11 closely has glass fiber layer 13, the inside glass fiber gap of glass fiber layer 13 is 500 microns, and the inside fibre gap of asbestos fiber layer 14 is 1000 microns, through asbestos fiber layer 14 and the inside fibre gap of glass fiber layer 13, can filter fine particle impurity and the viscous substance in the oil in their outside, and oil moves to the inboard through their inside gap, the outside of glass fiber layer 13 closely is pressed and is covered with asbestos fiber layer 14.

Referring to fig. 2 and 3, a circular screen plate 9 is fixedly installed on the middle side of the inner wall of the oil inlet 8, the diameter of the inner hole of the circular screen plate 9 is 0.1 mm, sand and stone in oil can be isolated on the outer side of the circular screen plate 9, and the oil enters the inner part of the oil production pipe 7 through the inner hole of the circular screen plate 9.

Referring to fig. 4 and 5, the triangular cutter 15 is annularly arranged on the middle side inside the circular tube 11, when oil rushes upwards, the oil can be divided into four strands through the triangular cutters 15 on the four sides, and further the oil can be dispersed by cutting through the transversely arranged steel wire ropes 16, so that the oil can not be excessively bonded together, the oil can be rapidly pumped out by the oil well pump 3, and the steel wire ropes 16 are transversely welded on the upper side inside the circular tube 11.

Referring to fig. 6, the interior of the oil production pipe 7 includes a cast iron layer 17, a manganese steel fiber layer 18, a tungsten steel layer 19, a carbon steel layer 20 and a stainless steel layer 21, the outer side of the cast iron layer 17 is bonded to the inner side of the manganese steel fiber layer 18, the manganese steel fiber layer 18 has very strong impact resistance and pressure resistance and is not easy to cause metal fatigue, the outer side of the manganese steel fiber layer 18 is bonded to the inner side of the tungsten steel layer 19, the tungsten steel layer 19 has strong pressure resistance and more excellent metal pressure recovery capability, the outer side of the tungsten steel layer 19 is bonded to the inner side of the carbon steel layer 20, the carbon steel layer 20 has strong rigidity and impact resistance, the metal interior is not easy to break, the outer side of the carbon steel layer 20 is bonded to the inner side of the stainless steel layer 21, and the stainless steel layer 21 wraps the layers, so that the oil production pipe 7 has rust resistance in the soil on.

The utility model discloses when concrete implementation: when the oil well pump 3 is operated, oil is pumped rightwards, so that negative pressure is generated inside the oil extraction device 6, oil inside the oil layer 2 is forced to enter the oil extraction pipe 7 from the oil inlet hole 8, sand and stones in the oil can be isolated outside the oil through the inner holes of the circular leakage net plate 9, and the oil enters the oil extraction pipe 7 through the inner holes of the circular leakage net plate 9.

Fine particle impurities and sticky substances in the oil can be filtered on the outer side thereof through fiber gaps inside the asbestos fiber layer 14 and the glass fiber layer 13, while the oil moves on the inner side through the inner gaps thereof.

Through the leak hole 12 that the annular evenly set up, guide oil to 11 insides of pipe, until emerging from pipe 11, through the triangle cutter 15 of four sides, can divide into four strands with the oil, and further through the 16 cutting of the wire rope of transversely arranging, can disperse the oil that bonds, be unlikely to excessively bond together, be favorable to oil-well pump 3 to take out the oil fast, can follow the better oil of oil extraction pipe 4 discharge filter effect, can reduce follow-up cost and the time of refining relatively.

The manganese steel fiber layer 18 is very strong in impact resistance and pressure resistance, metal fatigue is not prone to occurring, the tungsten steel layer 19 is strong in pressure resistance, metal abutting recovery capability is more excellent, the carbon steel layer 20 is strong in rigidity and impact resistant, and metal inside is not prone to cracking, so that the whole oil production pipe 7 is not prone to cracking under the action of gravity extrusion of oil field land and negative pressure of oil pumping inside the whole oil production pipe for a long time, and the service life of the oil extractor 6 body is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an oil recovery well head oil recovery ware, includes oil field (1), its characterized in that: oil field (1) downside is hidden there is oil reservoir (2), the up end right side fixed mounting of oil field (1) has oil-well pump (3), the oil pipe portion fixedly connected with of oil-well pump (3) arranges oil pipe (4), oil absorption pipe portion fixedly connected with right angle pipe fitting (5) of oil-well pump (3), oil recovery ware (6) is squeezed into to the inside in oil field (1), the lower port of the upper port fixedly connected right angle pipe fitting (5) of oil recovery ware (6).

2. The oil recovery wellhead oil extractor of claim 1, wherein: the oil extraction device (6) comprises an oil extraction pipe (7), a circular perforated plate (9), a circular plate (10), a circular pipe (11), a glass fiber layer (13), an asbestos fiber layer (14), a triangular cutter (15) and a steel wire rope (16), oil inlet holes (8) are evenly formed in the annular lower side of the oil extraction pipe (7), and the circular plate (10) is fixedly mounted on the lower side inside the oil extraction pipe (7).

3. The oil recovery wellhead oil recovery device of claim 2, wherein: the well side fixed mounting of plectane (10) has pipe (11), the well downside annular of pipe (11) is equipped with small opening (12), the outside of pipe (11) closely the cladding has glass fiber layer (13), the outside of glass fiber layer (13) closely is pressed and is covered asbestos fiber layer (14).

4. A production wellhead oil extractor according to claim 3, characterized in that: the inside well side annular of pipe (11) is equipped with triangle cutter (15), the inside upside of pipe (11) transversely welds wire rope (16), the inside of oil production pipe (7) includes cast iron layer (17), manganese steel fiber layer (18), tungsten steel layer (19), carbon steel layer (20) and stainless steel layer (21).

5. The oil recovery wellhead oil recovery device of claim 2, wherein: and a circular screen plate (9) is fixedly arranged on the middle side of the inner wall of the oil inlet hole (8).

6. The oil recovery wellhead oil extractor of claim 4, wherein: the outer side of the cast iron layer (17) is bonded with the inner side of the manganese steel fiber layer (18), the outer side of the manganese steel fiber layer (18) is bonded with the inner side of the tungsten steel layer (19), the outer side of the tungsten steel layer (19) is bonded with the inner side of the carbon steel layer (20), and the outer side of the carbon steel layer (20) is bonded with the inner side of the stainless steel layer (21).

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