CN217712451U - Nickel-tungsten coating casing pipe for oil field - Google Patents
Nickel-tungsten coating casing pipe for oil field Download PDFInfo
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- CN217712451U CN217712451U CN202222020203.XU CN202222020203U CN217712451U CN 217712451 U CN217712451 U CN 217712451U CN 202222020203 U CN202222020203 U CN 202222020203U CN 217712451 U CN217712451 U CN 217712451U
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- sleeve pipe
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- oil field
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- nickel
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Abstract
The utility model discloses an oil field is with nickel tungsten cladding material sleeve pipe relates to oil field sleeve pipe technical field. The utility model discloses a sleeve pipe body, the top of sleeve pipe body are provided with the connecting seat, and the inside bilateral symmetry of connecting seat is provided with locking Assembly, and connecting slot has been seted up to the upper end of sleeve pipe body, and connecting slot's bottom card has put the sealing washer, and the lower extreme of sleeve pipe body is provided with connecting plug, and still cup joints on the sleeve pipe body of connecting plug top and be fixed with locking gear. The utility model discloses a set up the connecting seat in the upper end of sleeve pipe body, and set up locking Assembly in the connecting seat, set up locking gear at the lower extreme of sleeve pipe body simultaneously, can avoid taking place relative rotation between the adjacent oil field with the sleeve pipe, through place the sealing washer in the sleeve pipe body, can further improve adjacent oil field with bushing's leakproofness, avoid the sleeve pipe oil leak, through set up nickel tungsten coating on the week lateral wall of sleeve pipe body, can improve oil field with sheathed tube wear-resisting, high temperature resistant and corrosion resistance.
Description
Technical Field
The utility model belongs to the technical field of the oil field sleeve pipe, especially, relate to an oil field is with nickel tungsten cladding material sleeve pipe.
Background
The oil field casing is a steel pipe used for supporting the wall of an oil well or a gas well so as to ensure the normal operation of the whole oil well after the drilling process and the completion. After the casing is put into the well, cement is adopted for cementing the well, and the casing is different from an oil pipe and a drill rod, cannot be reused and belongs to a disposable consumption material. The current sleeve pipe for the oil field is when the concatenation, the mode through threaded connection more, realize the high-speed joint between the adjacent oil field sleeve pipe, this kind of mode makes the sheathed tube connection of oil field more convenient, but take place relative rotation easily between the sleeve pipe, make adjacent oil pipe's junction not hard up, cause the sleeve pipe oil leak, and sheathed tube corrosion resistance is relatively poor, be unfavorable for the long-time use of sheathed tube for the oil field, consequently, design a nickel tungsten cladding material sleeve pipe for the oil field, can prevent to become flexible between the adjacent oil field sleeve pipe, and can improve sheathed tube corrosion resistance, in order to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a nickel-tungsten coating sleeve for oil field, including the sleeve pipe body, the top of sleeve pipe body is provided with the connecting seat, the bilateral symmetry in the connecting seat is provided with locking Assembly, the upper end of sleeve pipe body is provided with connecting slot, and the bottom card of connecting slot has put the sealing washer, the lower extreme of sleeve pipe body is provided with connecting plug, and still cup joint on the sleeve pipe body above the connecting plug and be fixed with locking gear, adjacent between the head and the tail of sleeve pipe body threaded connection, be provided with nickel-tungsten coating on the peripheral lateral wall of sleeve pipe body;
the locking assembly comprises a locking plug, a screw rod and an adjusting head, the screw rod is rotatably connected in the connecting seat through a bearing, one end of the screw rod is screwed into the locking plug, and the other end of the screw rod is fixedly connected with the adjusting head.
Preferably, an adjusting groove is formed in the connecting seat, the locking plug slides along the adjusting groove, and the front end of the locking plug is matched with the tooth clearance groove of the locking gear.
Preferably, an adjusting groove used for avoiding the adjusting head is formed in the outer side wall of the connecting seat, and a hexagonal groove is formed in the end face of the adjusting head.
Preferably, an inner threaded part is arranged on the inner wall of the connecting slot at the upper end of the sleeve pipe body, and an outer threaded part is arranged on the outer side wall of the connecting plug.
Preferably, the connecting plug is screwed into the connecting slot, and the internal thread part is in threaded fit with the external thread part.
Preferably, the lower end of the connecting plug abuts against the sealing ring.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up the connecting seat in the upper end of sleeve pipe body to set up locking Assembly in the connecting seat, set up locking gear at the lower extreme of sleeve pipe body simultaneously, through the cooperation of locking plug, screw rod and regulation head, make the locking plug insert in the tooth's spacing groove of locking gear on the adjacent sleeve pipe body, can lock locking gear, can avoid taking place relative rotation between the sleeve pipe for the adjacent oil field, make the connection of the sleeve pipe for the adjacent oil field can be inseparabler;
2. the utility model discloses a place the sealing washer in the sleeve pipe body, can further improve adjacent oil field with bushing's leakproofness, prevent that the sleeve pipe from leaking oil, simultaneously through set up nickel tungsten coating on the week lateral wall at the sleeve pipe body, can improve oil field with sheathed tube wear-resisting, high temperature resistant and corrosion resistance, extension oil field with sheathed tube life.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of the internal structure of the nickel-tungsten plating sleeve for oil field of the present invention.
Fig. 2 is an enlarged view of the structure of a in fig. 1 of the nickel-tungsten plating casing for oil field of the present invention.
Fig. 3 is an external structural schematic diagram of the nickel-tungsten plating casing for oil field of the present invention.
Fig. 4 is a overlooking structure diagram of the locking gear and the locking plug in the nickel-tungsten coating casing for the oil field.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a cannula body; 2. a connecting seat; 3. connecting the slots; 4. an internal thread portion; 5. a seal ring; 6. a lock gear; 7. a connecting plug; 8. an external threaded portion; 9. locking the plug; 10. an adjustment groove; 11. a screw; 12. an adjustment head; 13. and (4) nickel-tungsten plating.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model relates to a nickel-tungsten coating casing pipe for oil field, including casing pipe body 1, the top of casing pipe body 1 is provided with connecting seat 2, the bilateral symmetry in connecting seat 2 is provided with locking assembly, connecting slot 3 has been seted up to the upper end of casing pipe body 1, and the bottom card of connecting slot 3 has placed sealing washer 5, the lower extreme of casing pipe body 1 is provided with connecting plug 7, and still cup joint on the casing pipe body 1 above connecting plug 7 and be fixed with locking gear 6, threaded connection between the head and the tail of adjacent casing pipe body 1, be provided with nickel-tungsten coating 13 on the peripheral lateral wall of casing pipe body 1, through nickel-tungsten coating 13 that sets up, can improve the wear-resisting of casing pipe body 1, high temperature resistance and corrosion resistance, and then can prolong the life of casing pipe body 1;
locking Assembly includes locking plug 9, screw rod 11 and regulation head 12, and screw rod 11 passes through the bearing and rotates the connection in connecting seat 2, and in screw rod 11's one end screw in locking plug 9, and screw rod 11's the other end and regulation head 12 fixed connection, through the locking Assembly who sets up, can lock the junction between the two after 1 end to end connections of adjacent casing pipe body, can avoid the junction not hard up oil leak that causes.
Furthermore, an adjusting groove 10 is formed in the connecting seat 2, the locking plug 9 slides along the adjusting groove 10, the front end of the locking plug 9 is matched with the inter-tooth groove of the locking gear 6, the locking plug 9 moves towards the locking gear 6 along the adjusting groove 10 and is inserted into the inter-tooth groove of the locking gear 6, the locking gear 6 can be effectively locked, and relative rotation between two adjacent sleeve pipe bodies 1 can be prevented.
Furtherly, offer the regulation recess that is used for dodging regulation head 12 on the lateral wall of connecting seat 2, offer the hexagon groove on the terminal surface of regulation head 12, can rotate regulation head 12 through using the hexagon spanner, adjust head 12 and rotate and can drive screw rod 11 and rotate, and screw rod 11 can drive locking plug 9 and remove.
Further, an internal thread portion 4 is formed on the inner wall of the connecting slot 3 at the upper end of the sleeve pipe body 1, an external thread portion 8 is formed on the outer side wall of the connecting plug 7, the connecting plug 7 is screwed into the connecting slot 3, the internal thread portion 4 is in threaded fit with the external thread portion 8, and the connecting plug 7 can be smoothly screwed into the connecting slot 3 through the internal thread portion 4 and the external thread portion 8, so that the head and the tail of the adjacent sleeve pipe bodies 1 can be quickly connected.
Further, the lower end of the connector plug 7 abuts against the packing 5, and the packing 5 provided can improve the sealing performance at the joint between the adjacent sleeve pipes 1.
When adjacent sleeves for the oil field are required to be connected, a connecting plug 7 at the lower end of one sleeve pipe body 1 can be aligned to a connecting slot 3 at the upper end of the adjacent sleeve pipe body 1, the connecting plug 7 is screwed into the connecting slot 3, the lower end of the connecting plug 7 is abutted to a sealing ring 5 placed at the bottom of the connecting slot 3, an adjusting head 12 on a connecting seat 2 is rotated through a hexagonal wrench, the adjusting head 12 rotates to drive a screw rod 11 to rotate, the screw rod 11 rotates to drive a locking plug 9 to move towards a locking gear 6, the end of the locking plug 9 is inserted into an inter-tooth groove on the locking gear 6, the end of the locking plug 9 at the other side is also inserted into an inter-tooth groove on the locking gear 6 in the same mode, the adjusting head 12 is rotated through the hexagonal wrench alternately, the locking plug 9 can be driven to move towards the locking gear 6, the locking gear 6 is driven to rotate together with the connecting plug 7 through the locking plug 9, the connecting plug 7 can be further inserted, meanwhile, the locking plug 9 can effectively prevent the locking gear 6 from reversely rotating, the relative rotation between the adjacent sleeves 1 can be avoided, the connecting plug between the adjacent sleeves can be more tightly screwed, the service life of a nickel sleeve can be prolonged, and the tungsten sleeve can be prolonged, and the service life of the tungsten sleeve 1 can be prolonged, and the tungsten sleeve for the tungsten tube can be prolonged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," 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 do not necessarily 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.
The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solution recorded in the foregoing embodiments is modified, and some technical features are replaced by equivalent, all belonging to the protection scope of the present invention.
Claims (6)
1. The utility model provides an oil field is with nickel tungsten cladding material sleeve pipe, includes sleeve pipe body (1), its characterized in that: the connecting base (2) is arranged at the top of the sleeve pipe body (1), locking assemblies are symmetrically arranged on two sides inside the connecting base (2), a connecting slot (3) is formed in the upper end of the sleeve pipe body (1), a sealing ring (5) is clamped and placed at the bottom of the connecting slot (3), a connecting plug (7) is arranged at the lower end of the sleeve pipe body (1), a locking gear (6) is further fixedly sleeved on the sleeve pipe body (1) above the connecting plug (7), the head and the tail of the adjacent sleeve pipe bodies (1) are in threaded connection, and a nickel-tungsten coating (13) is arranged on the peripheral side wall of the sleeve pipe body (1);
the locking assembly comprises a locking plug (9), a screw rod (11) and an adjusting head (12), the screw rod (11) is rotatably connected in the connecting seat (2) through a bearing, one end of the screw rod (11) is screwed into the locking plug (9), and the other end of the screw rod (11) is fixedly connected with the adjusting head (12).
2. The nickel-tungsten plating sleeve for the oil field according to claim 1, wherein an adjusting groove (10) is formed in the connecting seat (2), the locking plug (9) slides along the adjusting groove (10), and the front end of the locking plug (9) is matched with the inter-tooth groove of the locking gear (6).
3. The nickel-tungsten coated casing pipe for the oil field as claimed in claim 2, wherein the outer side wall of the connecting base (2) is provided with an adjusting groove for avoiding the adjusting head (12), and the end surface of the adjusting head (12) is provided with a hexagonal groove.
4. The nickel-tungsten coated casing pipe for the oil field as defined in claim 1, wherein the inner wall of the connection slot (3) at the upper end of the casing pipe body (1) is provided with an internal thread part (4), and the outer side wall of the connection plug (7) is provided with an external thread part (8).
5. The nickel-tungsten coated casing pipe for oil field according to claim 4, characterized in that the connection plug (7) is screwed into the connection slot (3), and the internal thread part (4) is screw-engaged with the external thread part (8).
6. The nickel-tungsten coated casing pipe for the oil field according to the claim 1, characterized in that the lower end of the connecting plug (7) is abutted against the sealing ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222020203.XU CN217712451U (en) | 2022-08-02 | 2022-08-02 | Nickel-tungsten coating casing pipe for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222020203.XU CN217712451U (en) | 2022-08-02 | 2022-08-02 | Nickel-tungsten coating casing pipe for oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217712451U true CN217712451U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222020203.XU Active CN217712451U (en) | 2022-08-02 | 2022-08-02 | Nickel-tungsten coating casing pipe for oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217712451U (en) |
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2022
- 2022-08-02 CN CN202222020203.XU patent/CN217712451U/en active Active
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