CN220267686U - Closed oil well sampler - Google Patents

Abstract

The utility model relates to the technical field of oil well sampling, in particular to a closed oil well sampler which comprises a sampler main body and a supporting seat, wherein the middle part of the outer wall of the sampler main body is fixedly connected with the supporting seat, the top end of the right side of the supporting seat is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a circular plate, and the inner part of the circular plate is slidably connected with a plurality of cross bars. Through opening the valve in the bottom of the sampling tube at first, then the user outwards pulls the horizontal pole of both sides for the horizontal pole drives the outside removal of third spring, then the sleeve that moves down, and the sleeve drives first spring compression along the outer wall of slide bar, makes the inserted bar receive the elasticity influence of second spring outwards to remove, then inserts the inside of sampler main part with the sampling tube, unclamps horizontal pole and sleeve afterwards, and the elasticity of first spring drives sleeve extrusion inserted bar inwards to remove and the laminating mutually with the sampling tube, thereby realizes the installation.

Description

Closed oil well sampler

Technical Field

The utility model relates to the technical field of oil well sampling, in particular to a closed oil well sampler.

Background

When oil is pumped from an oil well in an oil field, a sampler is needed, and the existing sampler is sampling equipment and is used for sampling and cooling steam-water test in a boiler room or a power plant, namely, heat exchange of mediums such as liquid and gas with higher temperature is performed.

For example, the authorized bulletin number CN215907840U and the oil well sampler, the above documents can enable the inside of the sampler to form a negative pressure state by utilizing the mutual matching of the hydraulic frame and the internal device thereof, so that the oil is extracted through the sampling head, the sampling efficiency and the sampling effect of the oil well are improved, and the sampling treatment of the oil well is facilitated; in the above-mentioned scheme, current oil well sampler is after the sample, all can not carry out the shutoff to the sampling head, thereby in the transportation, will lead to the leakage of oil, influence the quality of its sample, utilize the mutually supporting of regulating box and internal device at this moment, can make the shutoff lid can be accurate rotate the sampling head bottom to the sampler bottom, so as to carry out the shutoff to the sampler, prevent that oil from leaking, cause certain loss, however the closed oil well sampler in the above-mentioned file is in use, because closed oil well sampler main part and sampling tube are the structure as an organic whole, make can't change the sampling tube, thereby need use a plurality of closed oil well samplers when taking a plurality of samplers to the oil well, make when taking a time to the oil well staff because the closed oil well sampler that carries is more, thereby be inconvenient for taking a plurality of oil wells.

Disclosure of Invention

The utility model aims to solve the problem that a plurality of closed oil well samplers need to be carried when sampling is carried for a plurality of times in the prior art, so that sampling of a plurality of oil wells is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a closed oil well sampler, includes sampler main part and supporting seat, the outer wall middle part of sampler main part is fixed continuous with the supporting seat, the right side top of supporting seat is fixed continuous with the pneumatic cylinder, the output of pneumatic cylinder links to each other with the plectane is fixed, the inside of plectane links to each other with a plurality of horizontal poles slip, the outer end of horizontal pole links to each other with the one end is fixed of third spring, the other end of third spring all links to each other with the plectane is fixed, both sides the inboard of horizontal pole all with sample subassembly looks joint, the top of sampler main part is equipped with auxiliary structure.

Preferably, the auxiliary structure comprises a plurality of inserted bars, wherein the outer sides of the outer walls of the inserted bars are connected with the main body of the sampler in a sliding manner, the upper side and the lower side of the inserted bars are respectively fixedly connected with one end of the second spring, the outer ends of the inserted bars are abutted against the sleeve, the bottoms of the sleeve are connected with a plurality of sliding bars in a sliding manner, the top ends of the sliding bars are fixedly connected with one end of the first spring, and the other ends of the first springs are fixedly connected with the sleeve.

The bottom of a plurality of preferred slide bars all links to each other with the supporting seat is fixed, telescopic inner wall links to each other with the sampler main part slip.

Preferably, the other end of the second spring is fixedly connected with the sampler main body, and the inner side of the outer wall of the inserted link is attached to the sampling tube.

Preferably, the bottom right side of sampler main part is provided with enclosed construction, the inner wall of sampling subassembly is laminated mutually with the sampling tube.

Preferably, the inner wall of the sampler main body is attached to the sampling tube.

The utility model provides a closed oil well sampler, which has the beneficial effects that: through opening the valve in the bottom of the sampling tube at first, then the horizontal pole of user's outside pulling both sides for the horizontal pole drives the outside removal of third spring, then the sleeve of downwardly moving, the sleeve drives first spring compression along the outer wall of slide bar, make the inserted bar receive the elasticity influence of second spring outwards remove, then insert the inside of sampler main part with the sampling tube, loosen horizontal pole and sleeve afterwards, the elasticity of first spring drives the inwards removal of sleeve extrusion inserted bar and laminating mutually with the sampling tube, thereby realize the installation, after the sample finishes, close the valve, downwardly moving sleeve and outside removal horizontal pole, thereby realize dismantling the sampling tube, change new sampling tube, thereby realize changing the sampling tube, need carry a plurality of closed oil well sampler owner when having avoided the multiple sampling and make the problem that is inconvenient for taking a sample to a plurality of oil wells.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

fig. 4 is a schematic structural diagram of a in fig. 3.

In the figure: 1. the sampler comprises a sampler main body, 2, a supporting seat, 3, a circular plate, 4, an auxiliary structure, 4a1, a sliding rod, 4a2, a sleeve, 4a3, a first spring, 4a4, an inserting rod, 4a5, a second spring, 4b1, a guide rod, 5, a hydraulic cylinder, 6, a closed structure, 7, a cross rod, 8, a third spring, 9, a sampling assembly, 10 and a sampling tube.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

example 1:

referring to fig. 1-4: in this embodiment, a closed oil well sampler, including sampler main part 1 and supporting seat 2, the outer wall middle part of sampler main part 1 is fixed continuous with supporting seat 2, the right side top of supporting seat 2 links to each other with pneumatic cylinder 5 is fixed, the output of pneumatic cylinder 5 links to each other with the plectane 3 is fixed, the inside of plectane 3 slides with a plurality of horizontal poles 7 and links to each other, the outer end of horizontal pole 7 links to each other with the one end is fixed of third spring 8, the other end of third spring 8 all links to each other with plectane 3 is fixed, the inboard of both sides horizontal pole 7 all with sampling component 9 looks joint, the top of sampler main part 1 is equipped with auxiliary structure 4.

The auxiliary structure 4 comprises a plug rod 4a4, the outer sides of the outer walls of the plug rods 4a4 are slidably connected with the sampler main body 1, the upper side and the lower side of the plug rod 4a4 are fixedly connected with one end of a second spring 4a5 respectively, the outer ends of the plug rod 4a4 are tightly propped against a sleeve 4a2, the bottom of the sleeve 4a2 is slidably connected with a plurality of sliding rods 4a1, the elastic coefficients of a first spring 4a3, a second spring 4a5 and a third spring 8 can be selected according to actual use conditions, the hydraulic cylinder 5 and the closed structure are specifically referred to as an authorized bulletin number CN215907840U in the prior art, a valve is arranged at the bottom of the sampling tube 10, a user pulls the cross rod 7 at two sides outwards, so that the cross rod 7 drives the third spring 8 to move outwards, then the sleeve 4a2 moves downwards, the sleeve 4a2 drives the first spring 4a3 to compress along the outer wall of the sliding rod 4a1, so that the plug rod 4a5 is influenced by the elastic force of the second spring 4a5 to move outwards, then insert sampler 1's inside with sampler barrel 10, loosen horizontal pole 7 and sleeve 4a2 afterwards, the elasticity of first spring 4a3 drives sleeve 4a2 extrusion inserted bar 4a4 inwards to remove and laminate mutually with sampler barrel 10, the elasticity of third spring 8 drives horizontal pole 7 and sampling assembly 9 laminating mutually to the top of slide bar 4a1 and the fixed continuous one end of first spring 4a3, the other end of a plurality of first springs 4a3 all links to each other with sleeve 4a2 is fixed, the bottom of a plurality of slide bar 4a1 all links to each other with supporting seat 2 is fixed, the inner wall of sleeve 4a2 links to each other with sampler 1 in a sliding manner, the other end of second spring 4a5 all links to each other with sampler 1 is fixed, the outer wall inboard of inserted bar 4a4 all laminates mutually with sampler barrel 10, the bottom right side of sampler 1 is provided with seal structure 6, the inner wall and the sampler assembly 9 laminate mutually with sampler barrel 10 of sampler 1, the inner wall and sampler barrel 10 laminate mutually.

Working principle:

firstly, the valve at the bottom of the sampling tube 10 is opened, then the cross rod 7 at the two sides is pulled outwards by a user, the cross rod 7 drives the third spring 8 to move outwards, then the sleeve 4a2 is moved downwards, the sleeve 4a2 drives the first spring 4a3 to compress along the outer wall of the sliding rod 4a1, the inserted rod 4a4 is influenced by the elastic force of the second spring 4a5 to move outwards, then the sampling tube 10 is inserted into the sampler main body 1, then the cross rod 7 and the sleeve 4a2 are loosened, the elastic force of the first spring 4a3 drives the sleeve 4a2 to squeeze the inserted rod 4a4 to move inwards to be attached to the sampling tube 10, so that the installation is realized, after the sampling is finished, the valve is closed, the sleeve 4a2 is moved downwards, and the cross rod 8 is moved outwards, so that the sampling tube 10 is detached, the new sampling tube 10 is replaced, and the problem that a plurality of closed oil wells are inconvenient to sample the sampling tube is avoided when the sampling tube is sampled for a plurality of times.

Example 2:

referring to fig. 1-4: in this embodiment, a closed oil well sampler, wherein auxiliary structure 4 can also include guide bar 4b1, and the interior weak point of a plurality of guide bars 4b1 all links to each other with the sampler barrel 10 is fixed, and the outer wall of guide bar 4b1 all links to each other with the keyway slip of sampler body 1, thereby fixes a position sampler barrel 10 through a plurality of guide bars 4b1 for it is more convenient to install sampler barrel 10.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (6)

1. The utility model provides a closed oil well sampler, includes sampler main part (1) and supporting seat (2), the outer wall middle part and the fixed succession of supporting seat (2) of sampler main part (1), its characterized in that: the right side top of supporting seat (2) links to each other with pneumatic cylinder (5) is fixed, the output of pneumatic cylinder (5) links to each other with plectane (3) is fixed, the inside of plectane (3) links to each other with a plurality of horizontal poles (7) are sliding, the outer end of horizontal pole (7) links to each other with the one end is fixed of third spring (8), the other end of third spring (8) all links to each other with plectane (3) is fixed, both sides the inboard of horizontal pole (7) all with sample subassembly (9) looks joint, the top of sampler main part (1) is equipped with auxiliary structure (4).

2. A closed well sampler according to claim 1 wherein: the auxiliary structure (4) comprises a plug rod (4 a 4), wherein a plurality of plug rods (4 a 4) are connected with the sampler main body (1) in a sliding mode, the upper side and the lower side of each plug rod (4 a 4) are fixedly connected with one end of a second spring (4 a 5) respectively, the outer ends of the plug rods (4 a 4) are abutted against the sleeve (4 a 2), the bottoms of the sleeve (4 a 2) are connected with a plurality of sliding rods (4 a 1) in a sliding mode, the top ends of the sliding rods (4 a 1) are fixedly connected with one end of a first spring (4 a 3), and the other ends of the first springs (4 a 3) are fixedly connected with the sleeve (4 a 2).

3. A closed well sampler according to claim 2 wherein: the bottoms of the sliding rods (4 a 1) are fixedly connected with the supporting seat (2), and the inner wall of the sleeve (4 a 2) is slidably connected with the sampler main body (1).

4. A closed well sampler according to claim 2 wherein: the other ends of the second springs (4 a 5) are fixedly connected with the sampler main body (1), and the inner sides of the outer walls of the inserted bars (4 a 4) are attached to the sampling tube (10).

5. A closed well sampler according to claim 1 wherein: the right side of the bottom end of the sampler main body (1) is provided with a closed structure (6), and the inner wall of the sampling assembly (9) is attached to the sampling tube (10).

6. A closed well sampler according to claim 1 wherein: the inner wall of the sampler main body (1) is attached to the sampling tube (10).