CN115288670A

CN115288670A - Oil field tracer medium release

Info

Publication number: CN115288670A
Application number: CN202210813104.9A
Authority: CN
Inventors: 李翔; 陈雄; 曾显锋; 洪华展; 万玉榕
Original assignee: Chongqing Weiyun Technology Development Co ltd
Current assignee: Chongqing Weiyun Technology Development Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-04
Anticipated expiration: 2042-07-11
Also published as: CN115288670B

Abstract

The invention relates to an oilfield tracing medium releasing device, and belongs to the technical field of engineering machinery. An oilfield tracing medium release device comprising: both ends are open-ended awl section of thick bamboo, be equipped with first inner chamber in the awl section of thick bamboo, be provided with well core rod in the first inner chamber, the one end opening part threaded connection of awl section of thick bamboo has the opening ring, be equipped with the second inner chamber that is used for installing the spike agent in the opening ring, first inner chamber separates through the sheet metal with the second inner chamber, well core rod's one end is passed and is stretched out outside the opening ring, the other end stretches out awl section of thick bamboo back threaded sleeve and establishes in the release ring, awl section of thick bamboo overcoat is equipped with the slips, when well core rod is close to opening ring one end opening removal from a awl section of thick bamboo, the slips can be with the state of centering all the time from being close to the preset position that release ring slided to awl section of thick bamboo outer wall. Has the beneficial effects that: the tracer medium can be accurately put in a specified position, the waste of the tracer medium is reduced, and the method has very important significance for accurately searching the water-reference layer and the oil production layer.

Description

Oil field tracer medium release

Technical Field

The invention belongs to the technical field of engineering machinery, and particularly relates to an oilfield tracing medium release device.

Background

In the field exploration technique, a tracer is required. The existing tracer feeding method is to directly feed the tracer into an injection well and then produce a well to detect the tracer, and the method has the defects of large using amount of the tracer, rough feeding position, uneven feeding amount and the like.

Disclosure of Invention

The invention provides the oilfield tracing medium release device for solving the technical problems, the tracing medium can be accurately thrown to a specified position, the waste of the tracing medium is reduced, and meanwhile, the oilfield tracing medium release device has very important significance for accurately searching a water-carrying layer and an oil production layer.

The technical scheme for solving the technical problems is as follows: the oil field tracer medium release device includes: the two ends of the conical cylinder are both open-ended conical cylinders, a first inner cavity is arranged in the conical cylinder, a central rod is arranged in the first inner cavity, an opening ring is connected to one end opening of the conical cylinder through threads, a second inner cavity used for installing a tracer is arranged in the opening ring, the first inner cavity is separated from the second inner cavity through a thin plate, one end of the central rod penetrates through the opening ring and stretches out of the opening ring, the other end of the central rod stretches out of the conical cylinder, a threaded sleeve is arranged in a releasing ring behind the conical cylinder, a slip is sleeved outside the conical cylinder, when the central rod is close to the conical cylinder, one end opening of the opening ring moves, and the slip can always move close to the releasing ring in a centering state, and the releasing ring slides to a preset position of the outer wall of the conical cylinder.

Has the beneficial effects that: the tracer medium can be accurately put in a specified position, the waste of the tracer medium is reduced, and the tracer medium has very important significance for accurately searching a water producing layer and an oil producing layer.

On the basis of the technical scheme, the invention can be further improved as follows.

Furthermore, a guide mechanism is arranged between the central rod and the first inner cavity and used for stabilizing the slip in the sliding process.

The beneficial effect of adopting the further scheme is that: the slip has the guiding function, and the stability of the slip in the sliding process is ensured.

Furthermore, the guiding mechanism is a guide cylinder, the guide cylinder is sleeved on the central rod, one-way teeth are arranged on the outer wall of the guide cylinder, and one end of the guide cylinder extends out of the conical cylinder and is clamped with the slips.

The beneficial effect of adopting the further scheme is that: simple structure, the guide cylinder is guaranteed along the inner wall removal of first inner chamber to one-way tooth.

Furthermore, the outer wall of the slip is provided with a bulge.

The beneficial effect of adopting the above further scheme is: the slips can be conveniently fixed on the well wall.

Further, the slips are kept away from the throw ring one end passes through sealing ring sealing connection the awl section of thick bamboo.

The beneficial effect of adopting the above further scheme is: the sealing performance is improved, and leakage is prevented.

Furthermore, an anti-abrasion block is sleeved at one end, close to the opening ring, of the cone.

The beneficial effect of adopting the above further scheme is: the abrasion of the cone barrel in the moving process in the well is prevented.

Furthermore, the material of the cone is a metal material.

The beneficial effect of adopting the further scheme is that: ensuring the mechanical strength and prolonging the service life.

Drawings

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

FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;

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

1. a conical cylinder; 2. a center pole; 3. opening the ring; 4. a ring is lost; 5. slips; 6. a guide cylinder; 7. a second lumen; 8. a first lumen; 9. a seal ring; 10. an anti-abrasion block; 11. a protrusion; 12. a thin plate.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.

Examples

As shown in fig. 1-2, this embodiment provides an oil field spike medium release, be open-ended awl section of thick bamboo 1 including both ends, the material of awl section of thick bamboo 1 is magnesium aluminum alloy material, be equipped with first inner chamber 8 in the awl section of thick bamboo 1, be provided with well core rod 2 in the first inner chamber 8, the one end opening part threaded connection of awl section of thick bamboo 1 has opening ring 3, it is equipped with the second inner chamber 7 that is used for installing the tracer in the ring 3 to open, first inner chamber 8 with second inner chamber 7 separates through sheet 12, first inner chamber 8 with second inner chamber 7 is annular inner chamber, well core rod 2's one end is passed and is stretched out outside opening ring 3, the other end stretches out awl section of thick bamboo 1 back thread bush is established in losing bracelet 4, bore section of thick bamboo 1 overcoat is equipped with slips 5, works as well core rod 2 follows bore section of thick bamboo 1 is close to opening ring 3 one end opening removes, slips 5 can be close to with the state of losing the centering all the bracelet 4 is followed closely still bracelet 4 slides to the predetermined position of 1 outer wall.

In this embodiment, well core rod 2 with be equipped with guiding mechanism between the first inner chamber 8, guiding mechanism is used for making slips 5 is in the stability of slip in-process, guiding mechanism is

guide cylinder

6, 6 covers of guide cylinder are established well core rod 2 is last, be equipped with one-way tooth on the outer wall of guide cylinder 6, the one end of guide cylinder 6 is stretched out awl section of thick bamboo 1 outer with slips 5 joint, be equipped with protruding 11 on slips 5's the outer wall, improve frictional force, be convenient for slips 5 chucking on the well body inner wall.

The device is sent to a designated position of a well body by connecting the central rod 2 through a plug sending tool, and then the central rod 2 is reversely lifted out of the first inner cavity 8 through the plug sending tool, wherein the plug sending tool belongs to the prior art, for example, the anchoring device for the bridge plug and the plug sending tool for the bridge plug with the patent number of CN201621096006.4 are adopted, so that further description is omitted, in the process, the central rod 2 can damage the opening ring 3 in threaded connection with the central rod, the opening ring 3 can push the slips 5 to slide along the diameter increasing direction of the conical cylinder 1, the slips can abut against a well wall when sliding to a fixed position, a pressure ball of magnesium-aluminum alloy is placed in the well, the diameter of the second inner cavity 7 is larger than that of the first inner cavity 8, the pressure ball enters the opening ring 3 to block an opening of the conical cylinder 1, when water pressure is transmitted to the pressure ball by using a water discharging device, the pressure ball can extrude the thin plate 12, and enable a tracer agent of the second inner cavity 7 to flow into the first inner cavity 8.

In this embodiment, slips 5 is kept away from throw 4 one end of ring passes through sealing ring 9 sealing connection awl section of thick bamboo 1 improves the leakproofness, prevents that water from flowing out from awl section of thick bamboo 1 outer wall.

In this embodiment, an anti-abrasion block 10 is sleeved at one end of the cone cylinder 1 close to the opening ring 3, so as to prevent the cone cylinder 1 from being abraded in the moving process in the well.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. The utility model provides an oil field spike medium release, its characterized in that is open-ended awl section of thick bamboo (1) including both ends, be equipped with first inner chamber (8) in the awl section of thick bamboo (1), be provided with well core rod (2) in first inner chamber (8), the one end opening part threaded connection of awl section of thick bamboo (1) has opening ring (3), be equipped with second inner chamber (7) that are used for installing the tracer in opening ring (3), first inner chamber (8) with second inner chamber (7) separate through sheet metal (12), the one end of well core rod (2) is passed and is stretched out outside opening ring (3), the other end stretches out screw thread cover is established in losing bracelet (4) behind awl section of thick bamboo (1), bore section of thick bamboo (1) overcoat is equipped with slips (5), works as well core rod (2) are followed awl section of thick bamboo (1) are close to it removes to open ring (3) one end opening, slips (5) can be close to with the state of centering all the time lose bracelet (4) slide to the preset position of awl section of thick bamboo (1) outer wall.

2. The oilfield tracing medium release device according to claim 1, characterized in that a guiding mechanism is provided between the central rod (2) and the first inner cavity (8) for stabilizing the slips (5) during sliding.

3. The oilfield tracing medium release device according to claim 2, wherein the guiding mechanism is a guiding cylinder (6), the guiding cylinder (6) is sleeved on the central rod (2), the outer wall of the guiding cylinder (6) is provided with one-way teeth, and one end of the guiding cylinder (6) extends out of the conical cylinder (1) and is clamped with the slips (5).

4. The oilfield tracing medium release device according to claim 1, wherein the slips (5) are provided with protrusions (11) on their outer walls.

5. The oilfield tracing medium release device according to claim 1, wherein one end of the slips (5) far away from the discard ring (4) is hermetically connected with the cone cylinder (1) through a sealing ring (9).

6. The oilfield tracer medium release device according to any of claims 1-5, wherein an anti-wear block (10) is sleeved on one end of the cone (1) close to the opening ring (3).

7. An oilfield tracing medium release device according to any one of claims 1-5, characterized in that the cone (1) is made of metal.