CN214787235U - Centralizer for oil development - Google Patents
Centralizer for oil development Download PDFInfo
- Publication number
- CN214787235U CN214787235U CN202120553734.8U CN202120553734U CN214787235U CN 214787235 U CN214787235 U CN 214787235U CN 202120553734 U CN202120553734 U CN 202120553734U CN 214787235 U CN214787235 U CN 214787235U
- Authority
- CN
- China
- Prior art keywords
- groove
- threaded pipe
- annular convex
- convex ring
- centralizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a centralizer for oil exploitation, which comprises a fastening device and a supporting device, wherein the fastening device comprises an upper threaded pipe, a lower threaded pipe and a connecting sleeve, the upper threaded pipe and the lower threaded pipe are respectively connected with an upper sucker rod and a lower sucker rod, the lower end of the upper threaded pipe is provided with a first annular convex ring, and the upper end of the lower threaded pipe is provided with a second annular convex ring; the connecting sleeve comprises at least two arc-shaped plates which surround, the inner wall of the upper part of each arc-shaped plate is provided with a first groove, the inner wall of the lower part of each arc-shaped plate is provided with a second groove, and the first annular convex ring and the second annular convex ring are respectively clamped in the first groove and the second groove; the supporting device comprises a guide rail and a sliding strip, two first telescopic rods are fixedly arranged on the sliding strip, a scraper is fixedly arranged at the telescopic end of each first telescopic rod, at least one second telescopic rod is fixedly arranged on the sliding strip, and the telescopic end of each second telescopic rod is rotatably connected with a roller. The utility model discloses convenient and fast is dismantled in the installation, can save workman working time in a large number.
Description
Technical Field
The utility model relates to an oil field equipment technical field especially relates to a centralizer for oil development.
Background
The sucker rod centralizer is a tool frequently used in oil field production, and is used in a well with bent well bores, such as an inclined well, a horizontal well and the like, and the sucker rod is centered on the axis of the well bore, so that the sucker rod and an oil pipe can be prevented from generating rigid friction, the oil pipe and the sucker rod are protected, and the production period is prolonged.
However, the long-time contact friction of the existing sucker rod centralizer with the inner wall of an oil pipe greatly reduces the service life of the centralizer, and the sucker rod centralizer is inconvenient to mount and dismount, is troublesome to use, delays production efficiency and improves production cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough of above-mentioned prior art, provide a centralizer for oil development.
In order to solve the above problems, the utility model adopts the following technical proposal:
a centralizer for oil exploitation comprises a fastening device and a supporting device arranged on the fastening device, wherein the fastening device comprises an upper threaded pipe, a lower threaded pipe and a connecting sleeve for connecting the upper threaded pipe and the lower threaded pipe, the upper threaded pipe is in threaded connection with an upper sucker rod, the lower end of the upper threaded pipe is provided with a first annular convex ring, the lower threaded pipe is in threaded connection with a lower sucker rod, and the upper end of the lower threaded pipe is provided with a second annular convex ring; the connecting sleeve comprises a cylindrical structure formed by encircling at least two arc plates, a first groove matched with the first annular convex ring is formed in the inner wall of the upper part of each arc plate, a second groove matched with the second annular convex ring is formed in the inner wall of the lower part of each arc plate, and the first annular convex ring and the second annular convex ring are respectively clamped in the first groove and the second groove;
the supporting device comprises a guide rail vertically arranged on the outer wall of the arc-shaped plate and a sliding strip arranged on the guide rail in a sliding mode, two first telescopic rods are fixedly arranged on the sliding strip, the first telescopic rods are arranged along the radial direction of the connecting sleeve, the scraping plates are fixedly arranged at the telescopic ends of the first telescopic rods, at least one second telescopic rod is fixedly arranged on the sliding strip, the second telescopic rod is arranged along the radial direction of the connecting sleeve, and the telescopic ends of the second telescopic rods are rotatably connected with idler wheels.
Furthermore, the number of the arc-shaped plates is three.
Furthermore, the left end and the right end of the arc-shaped plate are respectively provided with a connecting plate, and two adjacent connecting plates are fixedly connected through bolts.
Furthermore, a sealing gasket is clamped between every two adjacent connecting plates.
Further, the guide rail is of a T-shaped structure, a sliding groove matched with the guide rail is formed in the sliding strip, and the guide rail is arranged in the sliding groove in a sliding mode.
Further, still include locking device, locking device includes sets up the locking hole on the guide rail and sets up the through-hole on the draw runner along the connecting sleeve radial direction, the through-hole just communicates each other with the coaxial setting in locking hole, it is equipped with the locking post to slide in through-hole and the locking hole, the one end that the locking hole was kept away from to the locking post is equipped with the lug, be equipped with locking spring between lug and the draw runner, locking spring housing is located on the locking post.
Furthermore, the upper end face of the first annular convex ring is provided with a plurality of first clamping blocks, the first groove is provided with a first clamping groove matched with the first clamping blocks, the first clamping blocks are clamped in the first clamping groove, the lower end face of the second annular convex ring is provided with a plurality of second clamping blocks, the second groove is provided with a second clamping groove matched with the second clamping blocks, and the second clamping blocks are clamped in the second clamping grooves.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model has simple structure, and is convenient to install compared with the existing centralizer, the upper sucker rod and the lower sucker rod are respectively in threaded connection with the upper threaded pipe and the lower threaded pipe, and the connecting sleeve connects the upper threaded pipe and the lower threaded pipe, thus the assembly of the centralizer can be completed; meanwhile, the roller on the supporting device is in rolling contact with the inner wall of the oil pipe, so that the friction between the centralizer and the inner wall of the oil pipe is reduced, the service life is prolonged, and the production cost is saved.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a perspective view of the upper threaded pipe of the present invention;
fig. 4 is a perspective view of the lower threaded pipe of the present invention;
fig. 5 is a perspective view of the arc plate of the present invention;
fig. 6 is another perspective view of the arc plate of the present invention;
fig. 7 is a perspective view of the supporting device of the present invention;
fig. 8 is an enlarged view of a portion a in fig. 7.
In the figure: the sucker rod comprises an upper threaded pipe 1, a lower threaded pipe 2, a connecting sleeve 3, an upper sucker rod 4, a first annular convex ring 5, a lower sucker rod 6, a second annular convex ring 7, an arc-shaped plate 8, a first groove 9, a second groove 10, a guide rail 11, a sliding strip 12, a first telescopic rod 13, a scraper 14, a second telescopic rod 15, a roller 16, a connecting plate 17, a sliding groove 18, a locking hole 19, a locking column 20, a convex block 21, a locking spring 22, a first clamping block 23, a first clamping groove 24, a second clamping block 25 and a second clamping groove 26.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1-8, a centralizer for oil exploitation comprises a fastening device and a supporting device arranged on the fastening device, wherein the fastening device comprises an upper threaded pipe 1, a lower threaded pipe 2 and a connecting sleeve 3 connecting the upper threaded pipe 1 and the lower threaded pipe 2, the upper threaded pipe 1 is in threaded connection with an upper sucker rod 4, the lower end of the upper threaded pipe 1 is provided with a first annular convex ring 5, the lower threaded pipe 2 is in threaded connection with a lower sucker rod 6, and the upper end of the lower threaded pipe 2 is provided with a second annular convex ring 7; the connecting sleeve 3 comprises a cylindrical structure formed by encircling at least two arc-shaped plates 8, a first groove 9 matched with the first annular convex ring 5 is formed in the inner wall of the upper part of each arc-shaped plate 8, a second groove 10 matched with the second annular convex ring 7 is formed in the inner wall of the lower part of each arc-shaped plate 8, and the first annular convex ring 5 and the second annular convex ring 7 are respectively clamped in the first groove 9 and the second groove 10;
the supporting device comprises a guide rail 11 vertically arranged on the outer wall of the arc-shaped plate 8 and a sliding strip 12 arranged on the guide rail 11 in a sliding mode, two first telescopic rods 13 are fixedly arranged on the sliding strip 12, the first telescopic rods 13 are arranged along the radial direction of the connecting sleeve 3, a scraper 14 is fixedly arranged at the telescopic ends of the first telescopic rods 13, at least one second telescopic rod 15 is fixedly arranged on the sliding strip 12, the second telescopic rods 15 are located between the first telescopic rods 13, the second telescopic rods 15 are arranged along the radial direction of the connecting sleeve 3, and the telescopic ends of the second telescopic rods 15 are rotatably connected with idler wheels 16.
Further, the number of the arc-shaped plates 8 is three.
Further, the left end and the right end of the arc-shaped plate 8 are respectively provided with a connecting plate 17, and two adjacent connecting plates 17 are fixedly connected through bolts.
Further, a sealing gasket is arranged between two adjacent connecting plates 17.
The upper threaded pipe 1 and the lower threaded pipe 2 are respectively in threaded connection with an upper sucker rod 4 and a lower sucker rod 6, a first groove 9 and a second groove 10 on the arc-shaped plates 8 are respectively clamped on a first annular convex ring 5 and a second annular convex ring 7, the left end and the right end of the three arc-shaped plates 8 are jointed end to form a cylindrical structure, the assembly of the centralizer is completed, the centralizer is convenient and rapid, and the number of assembly spaces is reduced; scraper blade 14 laminates with the oil pipe inner wall mutually, can scrape the scale deposit on the oil pipe inner wall and effectively clear up, and gyro wheel 16 and oil pipe inner wall roll cooperation make the damage of centralizer and oil pipe littleer, increase of service life compare in the rigid friction between centralizer and the oil pipe inner wall.
Further, there are two second telescopic rods 15 on each slide bar 12.
Further, the guide rail 11 is a T-shaped structure, a sliding groove 18 adapted to the guide rail 11 is arranged on the sliding strip 12, and the guide rail 11 is slidably arranged in the sliding groove 18.
Further, still include locking device, locking device includes sets up locking hole 19 on guide rail 11 and sets up the through-hole on draw runner 12 along connecting sleeve 3 radial direction, the through-hole just communicates each other with the coaxial setting in locking hole 19, it is equipped with locking post 20 to slide in through-hole and the locking hole 19, the one end that locking hole 19 was kept away from to locking post 20 is equipped with lug 21, be equipped with locking spring 22 between lug 21 and the draw runner 12, locking spring 22 overlaps and locates on the locking post 20.
When the slide bar 12 slides downwards along the guide rail 11, the locking column 20 is pulled to one side far away from the guide rail 11, when the locking hole 19 is communicated with the through hole, the locking column 20 is loosened, and due to the left and right sides of the locking spring 22, the locking column 20 slides to one side near the guide rail 11 until the locking column 20 is inserted into the locking hole 19, so that the locking and fixing of the guide rail 11 and the slide bar 12 are completed.
Further, a plurality of first fixture blocks 23 are arranged on the upper end surface of the first annular convex ring 5, a first clamping groove 24 matched with the first fixture blocks 23 is arranged on the first groove 9, the first fixture blocks 23 are clamped in the first clamping groove 24, a plurality of second fixture blocks 25 are arranged on the lower end surface of the second annular convex ring 7, a second clamping groove 26 matched with the second fixture blocks 25 is arranged on the second groove 10, and the second fixture blocks 25 are clamped in the second clamping grooves 26; the coupling sleeve 3 is prevented from rotating relative to the upper and lower threaded pipes 1 and 2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (8)
1. The centralizer for oil exploitation is characterized by comprising a fastening device and a supporting device arranged on the fastening device, wherein the fastening device comprises an upper threaded pipe (1), a lower threaded pipe (2) and a connecting sleeve (3) for connecting the upper threaded pipe (1) with the lower threaded pipe (2), the upper threaded pipe (1) is in threaded connection with an upper sucker rod (4), the lower end of the upper threaded pipe (1) is provided with a first annular convex ring (5), the lower threaded pipe (2) is in threaded connection with a lower sucker rod (6), and the upper end of the lower threaded pipe (2) is provided with a second annular convex ring (7); the connecting sleeve (3) comprises a cylindrical structure formed by encircling at least two arc-shaped plates (8), a first groove (9) matched with the first annular convex ring (5) is formed in the inner wall of the upper part of each arc-shaped plate (8), a second groove (10) matched with the second annular convex ring (7) is formed in the inner wall of the lower part of each arc-shaped plate (8), and the first annular convex ring (5) and the second annular convex ring (7) are clamped in the first groove (9) and the second groove (10) respectively;
the supporting device comprises a guide rail (11) vertically arranged on the outer wall of an arc-shaped plate (8) and a sliding strip (12) arranged on the guide rail (11) in a sliding mode, two first telescopic rods (13) are fixedly arranged on the sliding strip (12), the first telescopic rods (13) are arranged along the radial direction of a connecting sleeve (3), scraping plates (14) are fixedly arranged at the telescopic ends of the first telescopic rods (13), at least one second telescopic rod (15) is fixedly arranged on the sliding strip (12), the second telescopic rods (15) are located between the first telescopic rods (13), the second telescopic rods (15) are arranged along the radial direction of the connecting sleeve (3), and the telescopic ends of the second telescopic rods (15) are connected with idler wheels (16) in a rotating mode.
2. A centraliser for oil extraction according to claim 1, characterised in that there are three curved plates (8).
3. The centralizer for oil development according to claim 2, characterized in that the left and right ends of the arc-shaped plate (8) are respectively provided with a connecting plate (17), and two adjacent connecting plates (17) are fixedly connected through bolts.
4. The centralizer for oil development according to claim 3, characterized in that a sealing gasket is interposed between two adjacent connecting plates (17).
5. A centraliser for oil extraction according to claim 1, characterised in that there are two second telescopic rods (15) on each runner (12).
6. The centralizer for oil exploitation according to claim 1, wherein the guide rail (11) is of a T-shaped structure, the slide bar (12) is provided with a sliding groove (18) matched with the guide rail (11), and the guide rail (11) is slidably arranged in the sliding groove (18).
7. The centralizer for oil exploitation according to claim 1, further comprising a locking device, wherein the locking device comprises a locking hole (19) arranged on the guide rail (11) along a radial direction of the connecting sleeve (3) and a through hole arranged on the slide bar (12), the through hole and the locking hole (19) are coaxially arranged and are communicated with each other, a locking column (20) is arranged in the through hole and the locking hole (19) in a sliding manner, a protruding block (21) is arranged at one end, away from the locking hole (19), of the locking column (20), a locking spring (22) is arranged between the protruding block (21) and the slide bar (12), and the locking spring (22) is sleeved on the locking column (20).
8. The centralizer for oil exploitation according to claim 1, wherein a plurality of first clamping blocks (23) are arranged on an upper end surface of the first annular convex ring (5), a first clamping groove (24) matched with the first clamping blocks (23) is formed in the first groove (9), the first clamping blocks (23) are clamped in the first clamping groove (24), a plurality of second clamping blocks (25) are arranged on a lower end surface of the second annular convex ring (7), a second clamping groove (26) matched with the second clamping blocks (25) is formed in the second groove (10), and the second clamping blocks (25) are clamped in the second clamping groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120553734.8U CN214787235U (en) | 2021-03-18 | 2021-03-18 | Centralizer for oil development |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120553734.8U CN214787235U (en) | 2021-03-18 | 2021-03-18 | Centralizer for oil development |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787235U true CN214787235U (en) | 2021-11-19 |
Family
ID=78665903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120553734.8U Active CN214787235U (en) | 2021-03-18 | 2021-03-18 | Centralizer for oil development |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214787235U (en) |
-
2021
- 2021-03-18 CN CN202120553734.8U patent/CN214787235U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102155172B (en) | Floating clamping device for injection head of continuous oil pipe | |
| CN209817964U (en) | Sucker rod centralizer convenient to installation is dismantled | |
| CN115939798B (en) | Graphene grounding device | |
| CN214787235U (en) | Centralizer for oil development | |
| CN219220348U (en) | Novel oil well casing shaper | |
| CN210240841U (en) | Interface sealing structure of nodular cast iron pipe | |
| CN109184589B (en) | A kind of combined type oil pumping rod centering device | |
| CN111878005A (en) | Quick-release quick-change sucker rod centralizer and method | |
| CN201908588U (en) | Self-positioning roller type sucker rod centralizer | |
| CN216866603U (en) | High-temperature-resistant and wear-resistant sucker rod centralizer | |
| CN203503891U (en) | While-drilling inclinometer connector | |
| CN215635401U (en) | Tunnel water tunnel diversion pipeline installation supporting construction | |
| CN114109276A (en) | Sucker rod rotary clamping centralizer for underground | |
| CN213602402U (en) | Cable pass-through device for oil production wellhead of electric submersible pump | |
| CN112474883B (en) | Back-up roll for anti-loosening flattening machine | |
| CN210687394U (en) | Glass fiber reinforced plastic composite pipeline | |
| CN110219609B (en) | Installation method of emergency clamp | |
| CN216590249U (en) | Dismantlement formula municipal construction pipe pushing jack | |
| CN219696874U (en) | Wire slip ring with cable protection structure | |
| CN212272105U (en) | Blowout preventer convenient to install and used for oil exploitation | |
| CN212958504U (en) | Anti-corrosion oil pipe nipple | |
| CN220658618U (en) | Inner hole drilling device for repairing oil pipe | |
| CN217897775U (en) | Oil recovery eccentric wear prevention device | |
| CN220415312U (en) | Limiting structure for preventing falling objects at wellhead | |
| CN208934614U (en) | A kind of combined type oil pumping rod centering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |