CN208473855U - A kind of sampler - Google Patents

Abstract

The utility model discloses a kind of samplers, belong to oil field instrument field.The sampler includes: valve body, needle, valve seat.Wherein, pipeline interface for being connected to well head petroleum pipeline is provided on valve body, for the upper port across needle, and for the leakage fluid dram of drain.Valve seat is set in leakage fluid dram, and the valve opening being connected to leakage fluid dram is provided on valve seat.Needle is movably disposed in upper port, for blocking valve opening.Sampler provided by the utility model can be sampled operation with can not be successfully to avoid there are too long oil flow channel, so as to cause when ambient temperature is too low, stifled jelly occurs in the oil flow channel for crude oil between the liquid storage end of the well head transfer line and valve body.As it can be seen that not will cause crude oil leakage when carrying out crude oil sampling operation using sampler provided by the utility model, environmental pollution and security risk can be avoided.

Description

A kind of sampler

Technical field

The utility model relates to oil field instrument field, in particular to a kind of sampler.

Background technique

In oilfield process, in order to intuitively understand the aqueous situation in oil well, it usually needs in well head pair Crude oil in oil well is sampled.Specifically, four are provided on the petroleum pipeline of well head and are in charge of line, which sets It is equipped with sample cock, when needing to be sampled operation, the valve need to only be opened.But in winter, outdoor temperature Lower, four between crude oil and petroleum pipeline and sample cock in sample cock are in charge of the crude oil in line and are easy to happen jelly Stifled phenomenon, leads to not smoothly sample.Therefore, solve the problems, such as that crude oil frozen block is very necessary.

The relevant technologies are in charge of line using open fire barbecue sample cock and four, carry out at heating to the crude oil of its inside frozen block Reason, to solve the problems, such as crude oil frozen block, carries out subsequent sampling work.

Designer find the relevant technologies the prior art has at least the following problems:

Method used in the relevant technologies is easy roasting bad four and is in charge of line, causes crude oil leakage, not only pollutes the environment, but also There is also security risks.

Utility model content

The utility model embodiment provides a kind of sampler, can solve above-mentioned technical problem.Specific technical solution is such as Under:

The utility model embodiment provides a kind of sampler, and described device includes: valve body, needle, valve seat；

Pipeline interface for being connected to well head petroleum pipeline is provided on the valve body, for across the needle Port, and the leakage fluid dram for drain；

The valve seat is set in the leakage fluid dram, and the valve opening being connected to the leakage fluid dram is provided on the valve seat；

The needle is movably disposed in the upper port, for blocking the valve opening.

In a kind of possible design, described device further include: be provided with the first needle via hole, and connect with the upper port The seal nipple connect, for sealing the upper port.

In a kind of possible design, the seal nipple is threadedly coupled with the upper port.

In a kind of possible design, the seal nipple includes: upper linkage section, changeover portion, lower linkage section；

It is provided with first seal between the upper linkage section and the needle, and is set with and is used on the upper linkage section Compress the pressure cap of the first seal；

The lower linkage section is threadedly coupled with the upper port.

In a kind of possible design, the pressure cap is threadedly coupled with the upper linkage section.

In a kind of possible design, described device further include: be provided with the Glan of the second needle via hole, be arranged described Between first seal and the pressure cap.

In a kind of possible design, second seal is provided between the lower linkage section and the upper port；

Third sealing element is provided between the valve seat and the leakage fluid dram.

In a kind of possible design, the top of the needle is exposed to outside the valve body, and the top of the needle is set It is equipped with handwheel.

In a kind of possible design, the valve seat is threadedly coupled with the leakage fluid dram.

In a kind of possible design, the bottom end of the needle is cone structure.

Technical solution provided by the embodiment of the utility model has the benefit that

Sampler provided by the embodiment of the utility model, by the way that valve body is arranged, and on valve body, setting is used for and well head The pipeline interface of petroleum pipeline connection, for the upper port across needle, and for the leakage fluid dram of drain, set valve body directly It sets on well head transfer line, avoids between the liquid storage end of the well head transfer line and valve body there are too long oil flow channel, from And cause when ambient temperature is too low, stifled jelly occurs in the oil flow channel for crude oil, is sampled operation with can not be successfully.Pass through Needle and valve seat are set, and are movably disposed at needle in upper port, may be implemented between the inner cavity of valve body and leakage fluid dram Connection and disconnection, ensure that going on smoothly for crude oil sampling operation.As it can be seen that being taken using provided by the embodiment of the utility model When sampling device carries out crude oil sampling operation, it not will cause crude oil leakage, environmental pollution and security risk can be avoided.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the structural schematic diagram of sampler provided by the embodiment of the utility model.

Appended drawing reference respectively indicates:

1 valve body,

2 needles,

3 valve seats,

301 valve openings,

4 seal nipples,

Linkage section on 401,

402 changeover portions,

403 lower linkage sections,

501 first seals,

502 second seals,

503 third sealing elements,

6 pressure caps,

7 Glans.

Specific embodiment

It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type embodiment is described in further detail.

The utility model embodiment provides a kind of sampler, as shown in Fig. 1, the sampler include: valve body 1, Needle 2, valve seat 3.Wherein, it is provided with the pipeline interface for being connected to well head petroleum pipeline on valve body 1, is used for across needle 2 Upper port, and the leakage fluid dram for drain.Valve seat 3 is set in leakage fluid dram, and is provided on valve seat 3 and is connected to leakage fluid dram Valve opening 301.Needle 2 is movably disposed in upper port, for blocking valve opening 301.

It should be noted that needle 2 is inserted into always in the leakage fluid dram of valve body 1, i.e. valve opening when without sampling operation 301 are in sealed condition always.

When needing to be sampled operation, mobile needle 2 separates it with valve opening 301, and then make in well head petroleum pipeline Crude oil directly from the cavity of valve body 1 by valve opening 301, leakage fluid dram exits valve body 1, complete crude oil sampling operation.Work to be sampled After industry, needle 2 is moved backward, reinserts it in valve opening 301, realizes the closure to valve opening 301.

Sampler provided by the embodiment of the utility model, by the way that valve body 1 is arranged, and on valve body 1, setting is used for and well The pipeline interface of mouthful petroleum pipeline connection, for the upper port across needle 2, and for the leakage fluid dram of drain, keep valve body 1 straight It connects and is arranged on well head transfer line, avoid between the liquid storage end of the well head transfer line and valve body 1 that there are too long oil stream is logical Road, so as to cause when ambient temperature is too low, stifled jelly occurs in the oil flow channel for crude oil, is sampled work with can not be successfully Industry.By setting needle 2 and valve seat 3, and be movably disposed at needle 2 in upper port, may be implemented the inner cavity of valve body 2 with Connection and disconnection between leakage fluid dram, ensure that going on smoothly for crude oil sampling operation.As it can be seen that implementing using the utility model When the sampler that example provides carries out crude oil sampling operation, it not will cause crude oil leakage, environmental pollution and peace can be avoided Full hidden danger.

Wherein, the structure of valve body 1 can be a variety of, for example, it can be square casing structure, spherical shell structure Deng having inner cavity as long as guaranteeing it, can be realized and be connected to well head petroleum pipeline.

The structure of needle 2 can be a variety of, for example, it can be bar shaped column structure, cylindrical structure etc..

The structure of valve seat 3 can be a variety of, for example, it can be block structure, column structure etc..

In order to improve crude oil sampling operation effectiveness, the upper port on valve body 1, leakage fluid dram, valve opening 301 can coaxially be set Set, and make pipeline interface axis and upper port, leakage fluid dram, valve opening 301 axis perpendicular.

In order to guarantee tightness that valve body 1 is connect with well head petroleum pipeline, valve body 1 can be fixed in a welding manner On petroleum pipeline.

The leakproofness at upper port in order to guarantee valve body 1, as shown in Fig. 1, the sampler further include: be provided with One needle via hole, and the seal nipple 4 connecting with upper port are used for sealed upper end mouth.

In order to realize movement of the needle 2 in valve body 1, needle 2 can be threadedly coupled with the first needle via hole.Specifically External screw thread is arranged on the outer wall of needle 2 in ground, and interior spiral shell compatible with the external screw thread is arranged on the inner wall of the first needle via hole Line.

Further, needle 2 is rotated for the ease of staff, the top of needle 2 can be made to be exposed to outside valve body 1, and The top of needle 2 is provided with handwheel.

Wherein, handwheel can be set to the intermediate cyclic structure for having square hole, and the top of needle 2 can be set to and the party The quadratic prism structure of hole adaptation.

Further, in order to guarantee that seal nipple 4 connect fastening with the upper port of valve body 1, at the same it is easy to disassemble, it can incite somebody to action Seal nipple 4 is threadedly coupled with upper port.

Specifically, external screw thread can be set on the outer wall of seal nipple 4, setting and the outer spiral shell on the inner wall of upper port The compatible internal screw thread of line.

In order to better ensure that the leakproofness between needle 2 and upper port, as shown in Fig. 1, which includes: Upper linkage section 401, changeover portion 402, lower linkage section 403.Wherein, first seal is provided between upper linkage section 401 and needle 2 501, and the pressure cap 6 for compressing first seal 501 is set on upper linkage section 401.Lower linkage section 403 and upper port screw thread Connection.

Wherein, changeover portion 402 can be set to hexagonal prisms structure compatible with spanner, so as to rotate this close by staff Sealing joint 4.

First seal 501 can be the nylon cushion being sleeved on needle 2, close between needle 2 and upper port to guarantee Feng Xing.

Further, in order to guarantee that pressure cap 6 connect fastening with upper linkage section 401, at the same it is easy to disassemble, it can be by pressure cap 6 It is threadedly coupled with upper linkage section 401.

Wherein, it is provided with external screw thread on the outer wall of upper linkage section 401, is provided on the inner wall of pressure cap 6 and the external screw thread phase The internal screw thread of adaptation.

In order to compress first seal 501 during the installation process, as shown in Fig. 1, the sampler further include: set It is equipped with the Glan 7 of the second needle via hole.The Glan 7 is arranged between first seal 501 and pressure cap 6.

When installation, Glan 7 is placed on first seal 501, then, pressure cap 6 is tightened, pressure cap 6 is made to offset with Glan 7, And then the first seal 501 on upper linkage section 401 is compressed.

In order to better ensure that the leakproofness between lower linkage section 403 and upper port, valve seat 3 and leakage fluid dram, lower linkage section Second seal 502 is provided between 403 and upper port.Third sealing element 503 is provided between valve seat 3 and leakage fluid dram.

Wherein, second seal 502 and third sealing element 503 can be set to the nylon cushion that middle part has through-hole, to protect Demonstrate,prove lower leakproofness between linkage section 403 and upper port, valve seat 3 and leakage fluid dram.

Specifically, upper port can be set to the major diameter port of upper and lower coaxial communication and path port when in use can Preventing second seal 502 on the step that major diameter port and miner diameter end mouth are formed, then by lower linkage section 403 and path Port connection, until the bottom end of changeover portion 402 and the top of valve body 1 offset.

And it is possible to set leakage fluid dram to from top to bottom the first drainage hole, the second drainage hole, of sequentially coaxial communication Three drainage holes, second drainage hole, the first drainage hole, third drainage hole internal diameter be gradually increased.The setting of third sealing element 503 exists On the step that first drainage hole and the second drainage hole are formed.Then, valve seat 3 is connect with the first drainage hole, makes the bottom end of valve seat 3 Compress the third sealing element 503.

It, can be by major diameter port, path port, the first drainage hole, the second drainage hole, the in order to guarantee to sample operation effectiveness The coaxial arrangement of three drainage holes.

It, can be by valve seat 3 and leakage fluid dram spiral shell in order to guarantee that valve seat 3 connect fastening, while easy to disassemble, replacement with leakage fluid dram Line connection.

Wherein, it is provided with external screw thread on the outer wall of valve seat 3, is provided on the inner wall of leakage fluid dram compatible with the external screw thread Internal screw thread.

In order to guarantee that needle 2 smoothly and can be quickly inserted the valve opening 301 of valve seat 3, the bottom end of needle 2 can be arranged For cone structure, as long as guaranteeing that needle 2 is adapted with the structure of valve seat 3.Wherein, the cone of conical section is directed downwardly.

To sum up, sampler provided by the embodiment of the utility model efficiently solve temperature it is lower when, oil well sampling freeze Stifled problem.Meanwhile can leak outside and pollute to avoid crude oil, operating safety factor is improved, the link of sampling emptying, contracting are reduced The short operating time, reduce the labor intensity of employee.

The foregoing is merely the illustrative embodiments of the utility model, the protection model that is not intended to limit the utility model It encloses, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of utility model.

Claims (10)

1. a kind of sampler, which is characterized in that described device includes: valve body (1), needle (2), valve seat (3)；

It is provided with the pipeline interface for being connected to well head petroleum pipeline on the valve body (1), is used for across the needle (2) Upper port, and the leakage fluid dram for drain；

The valve seat (3) is set in the leakage fluid dram, and is provided with the valve opening being connected to the leakage fluid dram on the valve seat (3) (301)；

The needle (2) is movably disposed in the upper port, for blocking the valve opening (301).

2. sampler according to claim 1, which is characterized in that described device further include: be provided with the first needle mistake Hole, and the seal nipple (4) being connect with the upper port, for sealing the upper port.

3. sampler according to claim 2, which is characterized in that the seal nipple (4) and the upper port screw thread Connection.

4. sampler according to claim 3, which is characterized in that the seal nipple (4) includes: upper linkage section (401), changeover portion (402), lower linkage section (403)；

It is provided between the upper linkage section (401) and the needle (2) first seal (501), and the upper linkage section (401) pressure cap (6) for compressing the first seal (501) is set on；

The lower linkage section (403) is threadedly coupled with the upper port.

5. sampler according to claim 4, which is characterized in that the pressure cap (6) and upper linkage section (401) spiral shell Line connection.

6. sampler according to claim 4, which is characterized in that described device further include: be provided with the second needle mistake The Glan (7) in hole is arranged between the first seal (501) and the pressure cap (6).

7. sampler according to claim 4, which is characterized in that the lower linkage section (403) and the upper port it Between be provided with second seal (502)；

Third sealing element (503) are provided between the valve seat (3) and the leakage fluid dram.

8. sampler according to claim 1, which is characterized in that the top of the needle (2) is exposed to the valve body (1) outside, and the top of the needle (2) is provided with handwheel.

9. sampler according to claim 1, which is characterized in that the valve seat (3) is threadedly coupled with the leakage fluid dram.

10. sampler according to claim 1, which is characterized in that the bottom end of the needle (2) is cone structure.