CN214145453U

CN214145453U - Pineapple type non-rotating sleeve scraper

Info

Publication number: CN214145453U
Application number: CN202022232502.0U
Authority: CN
Inventors: 丁庆利; 姜亦辉
Original assignee: TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO Ltd
Current assignee: TIANHE OIL GROUP HUIFENG PETROLEUM EQUIPMENT CO Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-09-07
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a ware is scraped to non-rotating sleeve pipe of pineapple type, including lower clutch, two copper sheathing, two pineapple type scrapers, three adapter sleeve, two cutting board assemblies and top connection, the one end of lower clutch with the one end of top connection is connected, two copper sheathing symmetry cover establish install in the lower clutch both ends outside, two pineapple type scraper symmetry cover establish install in the outer wall of copper sheathing, cutting board assembly cover establish install in the lower clutch outside, the both ends of cutting board assembly are passed through respectively the adapter sleeve links to each other with two pineapple type scrapers, just the cutting board assembly is in two between the pineapple type scraper, the cutting board assembly includes cutting board cover, cutting board body, spring housing and bush. The utility model discloses an adopt the mode of scraping of two-stage type to the intraductal wall of pipe, and do upper and lower reciprocating motion for the pipe wall, the effectual attachment of cleaing away intraductal wall of well has also improved sheathed tube life and drilling operation's efficiency.

Description

Pineapple type non-rotating sleeve scraper

Technical Field

The utility model relates to a sleeve pipe scraper technical field, concretely relates to non-rotatory sleeve pipe scraper of pineapple type.

Background

In the petroleum drilling operation, the casing is a steel pipe used for supporting oil, gas wells and wells so as to ensure the normal operation of the whole process, and in the using process of the casing, cement, sand, scratches, paraffin, burrs and other attachments can remain on the inner wall, and can seriously affect other operations, so that a scraping tool is required to clean the casing.

The existing casing scraper can only scrape through upper vertical movement and horizontal rotation, so that scraping is incomplete, and the casing can be damaged to different degrees.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a non-rotatory sleeve pipe scraper of pineapple type, the effectual attachment of driving the intraductal wall of well in the pit, and improved sheathed tube life and drilling operation's efficiency to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a ware is scraped to non-rotating sleeve of pineapple type, includes lower clutch, two copper sheathing, two pineapple type scrapers, adapter sleeve, cutting board assembly and top connection, the one end of lower clutch with the one end of top connection is connected, two copper sheathing symmetry cover establish install in the lower clutch both ends outside, two install in the outer wall of copper sheathing is established to pineapple type scraper symmetry cover, cutting board assembly cover establish install in the lower clutch outside, the both ends of cutting board assembly are passed through respectively the adapter sleeve links to each other with two pineapple type scrapers, just the cutting board assembly is in two between the pineapple type scraper.

The cutting board assembly comprises a cutting board sleeve, a cutting board body, a spring sleeve and a bushing, wherein the cutting board sleeve is installed on the outer side wall of the lower connector, the cutting board body is inserted into the side portion of the cutting board sleeve in a sliding mode, the bushing is installed on the outer wall of the cutting board sleeve, the spring sleeve is installed on the inner portion of the spring sleeve, and one end of the spring is connected with the cutting board body.

Preferably, an O-shaped ring is arranged at the joint of the lower joint and the upper joint, and thread sections are arranged on the outer side of the end part of the lower joint and the outer side of the end part of the upper joint.

Preferably, the copper sleeve, the pineapple-shaped scraper and the end face of the cutting board assembly are respectively provided with first grooves which are uniformly distributed circumferentially, and the two end faces of the connecting sleeve are respectively provided with a lug matched with the first grooves.

Preferably, a through hole matched with the knife board body is formed in the side part of the knife board sleeve, and a cavity is formed between the knife board sleeve and the lining.

Preferably, a second groove is formed in the side portion of the knife board body, and the second groove is matched with the spring sleeve.

Preferably, the annular array of the spring sleeve is arranged on the outer wall of the bushing, the inner wall of the spring sleeve is in clearance fit with the outer wall of the spring, and the inner wall and the outer wall of the spring sleeve are both smooth surfaces.

To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:

the utility model discloses in, after the assembly of scraper is accomplished, the cutting board body freely stretches out the external diameter and scrapes the sleeve pipe internal diameter slightly bigger than scraping, when going into the pit, the cutting board freely stretches out the maximum external diameter and is less than the sleeve pipe internal diameter, make the cutting board body inwards draw in, under the spring action of spring, make the cutting board body hug closely the inside pipe wall, pineapple type scraper scrapes the attachment that the inside pipe wall surface is big earlier, the second grade of two cutting board assemblies of rethread is scraped, again under the external force, through the motion of lifting or transferring, the scraping to the inside pipe wall has been realized many times and comprehensively, reciprocal multiple motion, thereby the effectual attachment of driving the inside pipe wall in the pit, make the cleanness of inside pipe wall, thereby the efficiency of sheathed tube life and drilling operation has been improved.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic sectional view of the cutting board assembly of the present invention;

FIG. 4 is a schematic side view of a cutting board assembly according to the present invention;

in the figure: 1. a lower joint; 2. a copper sleeve; 3. a pineapple-shaped scraper; 4. connecting sleeves; 5. a knife board assembly; 6. an upper joint; 7. an O-shaped ring; 8. a cutter plate sleeve; 9. a knife board body; 10. a spring; 11. a spring housing; 12. a bushing; 13. a first groove; 14. a bump; 15. a cavity; 16. a second groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation of the specification.

The utility model provides a pineapple type non-rotating sleeve scraper, as shown in figures 1-4, which comprises a lower joint 1, a copper sleeve 2, a pineapple type scraper 3, a connecting sleeve 4, a knife board assembly 5 and an upper joint 6, wherein one end of the lower joint 1 is connected with one end of the upper joint 6 through screw threads, when the scraper is specifically arranged, the outer sides of the end parts of the lower joint 1 and the upper joint 6 are respectively provided with a screw thread section for connecting with an external drill rod column so as to play a role of fixing the scraper, an O-shaped ring 7 is arranged at the connecting part of the lower joint 1 and the upper joint 6, the O-shaped ring 7 is used for static sealing, two copper sleeves 2 are symmetrically sleeved and arranged at the outer sides of the two ends of the lower joint 1, two pineapple type scrapers 3 are symmetrically sleeved and arranged on the outer wall of the copper sleeve 2, when the scraper is specifically arranged, one end of one copper sleeve 2 is abutted against one end of the lower joint 1, one end of the other copper sleeve 2 is abutted against one end of the upper joint 6, thereby make two better fixed and support pineapple type scraper 3 of copper sheathing 2, the outer tubular structure of pineapple type scraper 3 sets up the button structure for similar pineapple type, be favorable to increaseing the cleaing away of intraductal wall debris of sleeve, 5 covers of cutting board assembly are established and are installed in the 1 outside of lower clutch, the both ends of cutting board assembly 5 link to each other with two pineapple type scrapers 3 through adapter sleeve 4 respectively, and cutting board assembly 5 is in between two pineapple type scrapers 3, when specifically setting up, adopt the two-stage type mode of scraping, pineapple type scraper 3 scrapes as first order, scrape earlier and fall great attachment, cutting board assembly 5 scrapes as the second order, can all the sanitization with more tiny attachment, thereby more thorough clearance sleeve intraduct debris.

It is specific, copper sheathing 2, equally divide on the terminal surface of pineapple type scraper 3 and cutting board assembly 5 and do not set up circumference evenly distributed's first recess 13, the both ends face of adapter sleeve 4 all sets up with first recess 13 complex lug 14, when specifically setting up, wherein, pineapple type scraper 3 and cutting board assembly 5 can be changed, and can change not unidimensional pineapple type scraper 3 and cutting board assembly 5, in order to adapt to not unidimensional sleeve pipe, thereby make parts repeatedly usable such as lower clutch 1 and top connection 6, very big cost has been saved.

The knife board assembly 5 comprises a knife board sleeve 8, a knife board body 9, a spring 10, a spring sleeve 11 and a lining 12, wherein the knife board sleeve 8 is sleeved on the outer side wall of the lower joint 1, the knife board body 9 is inserted on the side portion of the knife board sleeve 8 in a sliding manner, when the knife board assembly is specifically arranged, a through hole matched with the knife board body 9 is formed in the side portion of the knife board sleeve 8, a cavity 15 is formed between the knife board sleeve 8 and the lining 12, so that the through hole is convenient to be matched with the knife board body 9, the knife board body 9 is convenient to slide, and the subsequent unfolding and storage are also convenient, the cavity 15 provides a space for placing the spring 10 and the spring sleeve 11, the lining 12 is fixedly arranged on the inner side of the knife board sleeve 8, the spring sleeve 11 is fixedly arranged on the outer wall of the lining 12, the spring 10 is arranged inside the spring sleeve 11, one end of the spring 10 is connected with the knife board body 9, when the cutter assembly is specifically arranged, a second groove 16 is formed in the side portion of the knife board body 9, and is matched with the spring sleeve 11, the second groove 16 is used for fixing the spring sleeve 11, and is limited and guided in the process of extending and storing the knife board body 9, so that the knife board body 9 can freely stretch under the elastic force action of the spring 10.

Specifically, the two cutting board assemblies 5 are arranged, the two cutting board bodies 9 positioned on the two cutting board assemblies 5 are arranged in a staggered mode, 360-degree covering scraping is achieved, only up-and-down movement is achieved for the inner wall of the sleeve, rotation is not needed, damage to the sleeve is greatly reduced, and the service life of the sleeve is prolonged.

Specifically, spring housing 11 annular array sets up in the outer wall of bush 12, and the inner wall of spring housing 11 is clearance fit with the outer wall of spring 10, and clearance fit makes spring 10 have the degree of freedom of motion, and the inner wall and the outer wall of spring housing 11 all set up to the smooth surface simultaneously, and the setting up of smooth surface makes the friction between spring housing 11 and the spring 10 very little to guarantee that spring 10 is normally flexible, spring housing 11 and bush 12 all are used for fixed and supporting spring 10.

The working principle is as follows: when the scraper is used, after the scraper is assembled, the freely extending outer diameter of the knife board body 9 is slightly larger than the inner diameter of a scraping sleeve, when the scraper goes down a well, the freely extending maximum outer diameter of the knife board body 9 is smaller than the inner diameter of the sleeve, so that the knife board body 9 is folded inwards, under the elastic action of the spring 10, the knife board body 9 is tightly attached to the inner wall of the sleeve, the pineapple-shaped scraper 3 scrapes large attachments on the surface of the inner wall of the sleeve firstly, then the two-stage scraping of the two knife board assemblies 5 is carried out, and under the action of external force, the scraper can lift or lower the scraper to scrape the inner wall of the sleeve repeatedly and comprehensively, and the scraper can move repeatedly and repeatedly, so that the attachments on the inner wall of the underground sleeve can be effectively removed, the inner wall of the sleeve can be cleaned, and the service life of the sleeve and the efficiency of well drilling operation can be improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a non-rotatory sleeve pipe scraper of pineapple type, includes lower clutch (1), two copper sheathing (2), two pineapple type scrapers (3), adapter sleeve (4), cutting board assembly (5) and top connection (6), its characterized in that: one end of the lower connector (1) is connected with one end of the upper connector (6), the two copper sleeves (2) are symmetrically sleeved on the outer sides of the two ends of the lower connector (1), the two pineapple-shaped scrapers (3) are symmetrically sleeved on the outer wall of the copper sleeves (2), the knife board assembly (5) is sleeved on the outer side of the lower connector (1), the two ends of the knife board assembly (5) are respectively connected with the two pineapple-shaped scrapers (3) through the connecting sleeves (4), and the knife board assembly (5) is located between the two pineapple-shaped scrapers (3);

the cutting board assembly (5) comprises a cutting board sleeve (8), a cutting board body (9), a spring (10), a spring sleeve (11) and a bushing (12), the cutting board sleeve (8) is sleeved with the outer side wall of the lower joint (1), the cutting board body (9) is slidably inserted into the lateral part of the cutting board sleeve (8), the bushing (12) is installed on the inner side of the cutting board sleeve (8), the outer wall of the bushing (12) is installed on the spring sleeve (11), the spring (10) is installed inside the spring sleeve (11), and one end of the spring (10) is connected with the cutting board body (9).

2. A pineapple-type non-rotating casing scraper in accordance with claim 1, wherein: an O-shaped ring (7) is arranged at the joint of the lower joint (1) and the upper joint (6), and thread sections are arranged on the outer side of the end part of the lower joint (1) and the outer side of the end part of the upper joint (6).

3. A pineapple-type non-rotating casing scraper in accordance with claim 1, wherein: copper sheathing (2) pineapple type scraper (3) with equally divide on the terminal surface of cutting board assembly (5) and do not set up circumference evenly distributed's first recess (13), the both ends face of adapter sleeve (4) all set up with first recess (13) complex lug (14).

4. A pineapple-type non-rotating casing scraper in accordance with claim 1, wherein: the side part of the cutter plate sleeve (8) is provided with a through hole matched with the cutter plate body (9), and a cavity (15) is formed between the cutter plate sleeve (8) and the lining (12).

5. A pineapple-type non-rotating casing scraper in accordance with claim 1, wherein: a second groove (16) is formed in the side portion of the knife board body, and the second groove (16) is matched with the spring sleeve (11).

6. A pineapple-type non-rotating casing scraper in accordance with claim 1, wherein: spring housing (11) annular array set up in the outer wall of bush (12), the inner wall of spring housing (11) with the outer wall of spring (10) is clearance fit, the inner wall and the outer wall of spring housing (11) all set up to the smooth surface.