CN211201852U

CN211201852U - Oil field environmental protection oil bailing device

Info

Publication number: CN211201852U
Application number: CN201921837066.0U
Authority: CN
Inventors: 李维
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-07
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to an oil field environmental protection oil bailing device, including oil bailing well head main part, oil bailing well head main part well head upper end fixedly connected with closing plate, the centre bore has been seted up at closing plate upper end middle part, the downthehole fixedly connected with oil well sleeve pipe of centre bore, centre bore diameter equals oil well sleeve pipe external diameter, the closing plate upper end is equipped with the drip pan, drip pan upper end one side and rotate through the pivot and be connected with the apron, the apron upper end is the one side fixedly connected with handle relative with the pivot, can be to the crude oil collection of oil bailing well head department leakage through the inclined plane platform in the drip pan, in the time crude oil can flow into the oil well cover by oneself, it is further, the oil well that does not drag for a long time also can seal the bell.

Description

Oil field environmental protection oil bailing device

Technical Field

The utility model relates to an oil field oil recovery technical field, concretely relates to oil field environmental protection oil bailing device.

Background

The oil fishing operation is a novel oil extraction technology developed in recent years, is suitable for low-capacity wells, remote scattered wells and some reused oil field abandoned wells, and is an important oil extraction means for reducing the exploitation cost from the development of an oil field to the final stage. The current oil fishing technology is as follows: the winch is arranged on the oil bailing truck, the winch is connected with an oil bailing wellhead through a steel wire rope wound on the winch, the oil bailing wellhead consists of a steel wire rope sealing packing box, a wellhead tee joint, a steel wire rope locking cap and a quick connector, the winch can be detached and moves along with the truck, the oil bailing swab is connected through the quick connector inside the oil bailing wellhead during oil bailing operation, the lower end of the oil bailing swab is connected with a weighting rod through the quick connector of the weighting rod, an integrated structure consisting of the steel wire rope locking cap, the quick connector, the oil bailing swab and the weighting rod is called an oil bailing operation tool string during oil bailing operation, the oil bailing wellhead is connected with the oil bailing wellhead tee joint through the steel wire rope on the winch and is lowered into the oil bailing wellbore, the oil bailing wellhead is connected with a casing head of the oil wellbore in a sealing manner, the oil bailing wellhead and the oil bailing wellbore are connected with the oil inlet pipeline of a tank truck after the oil bai, the oil bailing operation can be carried out according to the principle that a steel wire rope on a winch is placed downwards, the weight of a weighting rod is combined to drive an oil bailing swab to be placed to a preset depth, an oil bailing operation tool string is lifted up through the steel wire rope on the winch, and when the oil bailing swab is lifted up, a rubber barrel on the oil bailing swab is sealed with an oil bailing shaft, so that crude oil enters an oil inlet pipeline of a tank car through a wellhead tee joint of an oil bailing wellhead, the crude oil in the oil bailing shaft is lifted to the tank car on the ground, and the oil bailing operation is realized.

During the oil fishing process, the wellhead always leaks a part of crude oil. Leaked crude oil can cause environmental pollution around the wellhead, increase the workload of staff and waste crude oil at the same time. In order to solve this problem, the prior art takes the following measures: a well head barrel cover is additionally arranged at a well head to collect leaked crude oil, and the method plays a certain role in preventing crude oil pollution, but still has the following defects: firstly, the collecting barrel has no bottom and is directly contacted with the ground, and crude oil is easy to permeate into the stratum; and secondly, the crude oil in the collecting barrel needs to be cleaned out periodically, so that the crude oil in the barrel is prevented from overflowing to cause pollution again.

Based on this, the utility model designs an oil field environmental protection oil bailing device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes at least a defect among the prior art, provides an oil field environmental protection oil bailing device to solve the above-mentioned in the background art and propose always will leak some crude oil at oil bailing in-process well head. Leaked crude oil can cause environmental pollution around the wellhead, increase the workload of staff and waste crude oil at the same time. In order to solve this problem, the prior art takes the following measures: a well head barrel cover is additionally arranged at a well head to collect leaked crude oil, and the method plays a certain role in preventing crude oil pollution, but still has the following defects: firstly, the collecting barrel has no bottom and is directly contacted with the ground, and crude oil is easy to permeate into the stratum; and secondly, the crude oil in the collecting barrel needs to be cleaned out periodically, so that the problem that the crude oil in the barrel overflows to cause pollution again is solved.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

the utility model provides an oil field environmental protection oil bailing device, includes oil bailing well head main part, oil bailing well head main part well head upper end fixedly connected with closing plate, the centre bore has been seted up at closing plate upper end middle part, the downthehole fixedly connected with oil well sleeve pipe of centre bore, centre bore diameter equals oil well sleeve pipe external diameter, the closing plate upper end is equipped with connects the food tray, connect food tray upper end one side to rotate through the pivot and be connected with the apron, apron upper end and the relative one side fixedly connected with handle of pivot.

Preferably, be equipped with in the oil bailing well head main part and hang and connect, hang and connect and be the back taper structure, it has the one deck sealed pad to hang the parcel of joint lateral wall, it is connected in stay cord one end to hang joint upper end fixed connection.

Preferably, the sealing plate is provided with a tapered hole at the lower end of the oil well casing, and the tapered hole is inserted into the suspension joint.

Preferably, connect the inside all fixedly connected with inclined plane platform all around of food tray, inclined plane platform bottom all is connected with oil well casing upper end lateral wall.

Preferably, a group of the inclined plane platforms are fixedly connected with fixing rings, and the fixing rings are fixedly connected with the other ends of the pull ropes.

Preferably, a pressure sensor is arranged in the sealing plate.

Preferably, connect the food tray and lap the equal fixedly connected with fixed block of the relative one end of pivot, the through-hole has all been seted up to the fixed block middle-end.

Preferably, the lower end of the oil receiving disc is fixedly connected with the outer side of the sealing plate through a plurality of groups of reinforcing ribs.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a slope platform in the food tray that connects can be collected the crude oil of bailing oil well head department leakage, and in the time crude oil can flow into the oil well sleeve by oneself, further, the oil well that does not drag for a long time also can seal the bell mouth through the overhang joint, has avoided the well head to take place the overflow phenomenon, prevents the condition of well head large tracts of land crude oil pollution from appearing.

Drawings

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 creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the oil receiving pan structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-oil fishing wellhead body, 2-sealing plate, 3-center hole, 4-oil well casing, 5-oil receiving disc, 6-rotating shaft, 7-cover plate, 8-handle, 9-suspension joint, 10-sealing gasket, 11-pull rope, 12-taper hole, 13-inclined plane table, 14-fixing ring, 15-pressure sensor, 16-fixing block and 17-reinforcing rib.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an oil field environmental protection oil bailing device, includes oil bailing well head

main part

1, 1 well head upper end fixedly connected with closing plate 2 of oil bailing well head main part, centre bore 3 has been seted up at closing plate 2 upper end middle part, fixedly connected with oil well sleeve pipe 4 in the

centre bore

3, 3 diameters of centre bore equal oil well sleeve pipe 4 external diameters, closing plate 2 upper end is equipped with and connects food tray 5, it is connected with apron 7 to connect food tray 5 upper end one side to rotate through pivot 6, apron 7 upper end and 6 relative one side fixedly connected with handles 8 of pivot.

Wherein, be equipped with in the oil bailing well head main part 1 and hang and connect 9, hang and connect 9 and be the back taper structure, hang and connect 9 lateral wall parcel and have one deck sealed pad 10, hang and connect 9 upper end fixed connection in 11 one ends of stay cord. The sealing plate 2 is located the oil well casing 4 lower extreme department and offers the bell mouth 12 of pegging graft each other with the suspension joint 9, moves up through 11 pulling suspension joints 9 of stay cord, makes in it gets into the bell mouth 12 of oil well casing 4 lower extreme to seal the well head, prevent that crude oil from leaking, sealed pad 10 can strengthen its sealing performance simultaneously, and the protection effect is better. Connect 5 inside all fixedly connected with inclined plane platforms 13 all around of food tray, inclined plane platform 13 bottom all is connected with oil well casing 4 upper end lateral wall, and when crude oil was in the extraction in-process from the well head end when taking place to leak, its accessible inclined plane platform 13 landing to oil well casing 4 in, in the reentrant oil well, avoid leaking and cause the pollution in the external world. The fixing rings 14 are fixedly connected to the inclined surface platforms 13, the fixing rings 14 are fixedly connected to the other ends of the pull ropes 11, the fixing rings 14 can fix one ends of the pull ropes 11, and the pull ropes 11 can be wound on the fixing rings 14 to change the connection lengths of the pull ropes 11. The sealing plate 2 is provided with a pressure sensor 15, wherein the pressure sensor 15 can be selected from a PSE531-M5 type, the pressure inside the oil well can be known when oil is fished, and the safety is improved. Connect food tray 5 and apron 7 and the equal fixedly connected with fixed block 16 of the relative one end of pivot 6, the through-hole has all been seted up to the 16 middle-ends of fixed block, and the accessible hasp is connected two sets of through-holes and is fixed apron 7, prevents to steal oil. Connect 5 lower extremes of food tray and 2 outsides of shrouding to pass through multiunit strengthening rib 17 fixed connection, the stability of its connection is strengthened to strengthening rib 17.

One specific application of this embodiment is: when using, when oil bailing car drags for oil, open the connection through the key and take care of the hasp on the fixed block 16, open apron 7, accessible pressure sensor 15 looks over in the oil well this moment has pressure, install the three-way oil bailing on the oil well sleeve pipe 4 that connects the food tray lower extreme simultaneously, connect the oil bailing operation tool string through the wire rope on the winch, and with it go into in the well bore of dragging for oil, go into down in the well bore of dragging for oil after, drag for oil well head and the casing head sealing connection of well bore of dragging for oil again, drag for oil well head and the sealed back of well bore of dragging for oil, be connected the oil inlet pipeline of tank car and the well head three-way of dragging for oil well head, later can carry out the oil bailing. Crude oil leaked from the oil fishing wellhead can flow into the oil receiving disc and slide into an oil well from the inclined platform surface 13, so that large-area crude oil pollution after the crude oil falls to the ground is prevented, and further, the hanging joint 9 can be lifted to the tapered hole 12 through the pull rope 11 after the oil is fished out, so that the wellhead is sealed, and the crude oil is prevented from overflowing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an oil field environmental protection oil bailing device, includes oil bailing well head main part (1), its characterized in that: fishing oil well head main part (1) well head upper end fixedly connected with closing plate (2), centre bore (3) have been seted up at closing plate (2) upper end middle part, fixedly connected with oil well sleeve pipe (4) in centre bore (3), centre bore (3) diameter equals oil well sleeve pipe (4) external diameter, closing plate (2) upper end is equipped with connects food tray (5), connect food tray (5) upper end one side to rotate through pivot (6) and be connected with apron (7), apron (7) upper end one side fixedly connected with handle (8) relative with pivot (6).

2. The oil field environmental protection oil bailing device of claim 1, characterized in that: be equipped with in oil bailing well head main part (1) and hang and connect (9), it is the back taper structure to hang to connect (9), it has one deck sealed pad (10) to hang joint (9) lateral wall parcel, it connects (9) upper end fixed connection in stay cord (11) one end to hang.

3. The oil field environmental protection oil bailing device of claim 2, characterized in that: the sealing plate (2) is positioned at the lower end of the oil well casing (4) and is provided with a tapered hole (12) which is mutually inserted with the suspension joint (9).

4. The oil field environmental protection oil bailing device of claim 1, characterized in that: connect equal fixedly connected with inclined plane platform (13) all around of food tray (5) inside, inclined plane platform (13) bottom all is connected with oil well sleeve pipe (4) upper end lateral wall.

5. The oil field environmental protection oil bailing device of claim 4, characterized in that: and the inclined plane platforms (13) are fixedly connected with fixing rings (14), and the fixing rings (14) are fixedly connected with the other ends of the pull ropes (11).

6. The oil field environmental protection oil bailing device of claim 4, characterized in that: and a pressure sensor (15) is arranged in the sealing plate (2).

7. The oil field environmental protection oil bailing device of claim 4, characterized in that: connect food tray (5) and apron (7) and equal fixedly connected with fixed block (16) of one end relative with pivot (6), the through-hole has all been seted up to fixed block (16) middle-end.

8. The oil field environmental protection oil bailing device of claim 4, characterized in that: the lower end of the oil receiving disc (5) is fixedly connected with the outer side of the sealing plate (2) through a plurality of groups of reinforcing ribs (17).