CN216894277U - Quick coupling for connecting oil field well mouth - Google Patents
Quick coupling for connecting oil field well mouth Download PDFInfo
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- CN216894277U CN216894277U CN202122931014.3U CN202122931014U CN216894277U CN 216894277 U CN216894277 U CN 216894277U CN 202122931014 U CN202122931014 U CN 202122931014U CN 216894277 U CN216894277 U CN 216894277U
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Abstract
The utility model discloses a quick connector for connecting an oilfield wellhead, and belongs to the field of pipeline quick connectors. A quick connector for connecting an oilfield wellhead comprises a quick connector main body, wherein the quick connector main body comprises a main pipe, one end of the main pipe is provided with a sealing component, one end, far away from the sealing component, of the main pipe is provided with a special thread for being in threaded connection with an on-site wellhead casing pipe, two opposite groups of longitudinal pipe joints are mounted on the side portion of the main pipe, one group of the longitudinal pipe joints are used for being connected with a metering vehicle outlet rubber pipe, the other group of the longitudinal pipe joints are plugged by pipe plugs, and a core shaft head is slidably connected to the main pipe; the utility model ensures that the device meets the metering requirement and reduces the limitation of field installation conditions at the same time by arranging the extension component and the customized oil nozzle, so that the device can be applied to more well fields, the application range of the quick joint is improved, the labor cost and the maintenance cost of oil measurement of an oil well are greatly reduced, and the benefit of the oil field is improved.
Description
Technical Field
The utility model relates to the technical field of soil collection, in particular to a quick connector for connecting an oilfield wellhead.
Background
The existing quick joint mainly comprises a quick joint female pipe, a core pipe, a rubber pipe joint, a choke nipple joint, a customized choke nipple, a sealing assembly and the like, wherein the rubber pipe joint and the choke nipple joint are respectively arranged at two ends of the quick joint core pipe and are respectively connected with an inlet rubber pipe of a metering vehicle and a choke nipple sleeve of an oil well, one end of the quick joint female pipe is a sealing part, most of the sealing parts use packing, and the other end of the quick joint female pipe is processed into a standard oil pipe threaded joint and is in threaded connection with an oil well casing pipe; a rubber tube joint is installed to the female pipe lateral part, is connected with measurement car export rubber tube, through above flow, forms crude oil measurement route, can realize the measurement of crude oil, and the crude oil after the measurement is accomplished returns to in the crude oil gathering pipeline automatically moreover, does not need the secondary to pour oil.
In the actual production, because each oil production factory well head cross is different with beam-pumping unit position installation angle, lead to quick-operation joint because of on-the-spot production tree and basic angle problem cause the installation difficulty even unable installation, lead to unable oil measurement, for this reason, the user can generally be equipped with the quick-operation joint of multiple different models for the measurement car at the job site with the adaptation demand, this has just led to the oil measurement work load big, and the oil measurement is with high costs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the background technology, and provides a quick connector for connecting an oil field wellhead.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an oil field is quick-operation joint for well head connection, includes the quick-operation joint main part, the quick-operation joint main part includes female pipe, female pipe one end is equipped with sealing component, female pipe one end processing of keeping away from sealing component has the special screw thread that is used for with on-the-spot well head sleeve pipe threaded connection, female pipe lateral part is installed relative two sets of vertical couplings, and is a set of wherein vertical couplings are used for connecting measurement car export rubber tube, another group vertical couplings are with the shutoff of casing cap, sliding connection has the dabber on the female pipe, dabber one end is equipped with and is used for connecting on-the-spot well head glib talker and connect, the other end of dabber is equipped with axial coupling, glib connects inside processing to have the screw thread, glib connects female connection and has the customization glib, the dabber is connected with quick-operation joint extension subassembly through axial coupling.
Preferably, the quick-operation joint extension subassembly is including extension core pipe, extension core pipe one end is equipped with the axial sleeve pipe that is used for connecting the axial coupling, the extension core pipe other end is equipped with and is used for connecting measurement car import rubber tube axial joint.
Preferably, sealing member includes rubber seal, sealed clamping ring and gland nut, rubber seal cup joints between female pipe and dabber, and sealed clamping ring sliding connection is at the dabber, sealed clamping ring and dabber cooperate with the seam that female pipe formed, gland nut and female pipe threaded connection are used for right sealed clamping ring is fixed.
Preferably, an O-shaped ring is installed at the root of the outer ring of the oil nozzle joint and is made of fluororubber.
Preferably, the rubber seal is made of oil-resistant natural rubber.
Compared with the prior art, the utility model provides a quick connector for connecting an oil field wellhead, which has the following beneficial effects:
according to the utility model, by optimizing the movable gap between the main pipe and the core pipe and sealing through the high-quality rubber sealing ring, good sealing strength can be obtained, and excellent sealing effect can be ensured; the arrangement of the extension assembly ensures that the device meets the metering requirement, reduces the limitation of field installation conditions, enables the device to be applied to more well sites and improves the application range of the quick connector; the setting of customization glib talker makes the device can be applicable to the oil well of wider scope operating mode, has further improved its application scope, and then greatly reduced the cost of labor and the maintenance cost of oil well volume oil to the oil field benefit has been improved.
Drawings
FIG. 1 is a schematic structural diagram of a quick coupling for connecting oil field well heads according to the present invention;
fig. 2 is a schematic structural diagram of a quick coupling extension assembly of a quick coupling for connecting an oilfield wellhead according to the present invention.
In the figure: 1. a main pipe; 2. a longitudinal pipe joint; 3. sealing with rubber; 4. sealing the pressure ring; 5. a seal nut; 6. a mandrel; 7. a nipple joint; 8. customizing a nozzle tip; 9. pipe blocking; 10. an axial tube joint; 11. an axial sleeve; 12. extending the core tube; 13. an O-shaped ring; 14. and an axial joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-2, a quick coupling for connecting an oilfield wellhead comprises a quick coupling body, the quick coupling body comprises a main pipe 1, one end of the main pipe 1 is provided with a sealing component, one end of the main pipe 1, far away from the sealing component, is provided with a special thread for threaded connection with an on-site wellhead casing, two groups of opposite longitudinal pipe joints 2 are arranged on the side part of the main pipe 1, one group of longitudinal pipe joints 2 are used for connecting a rubber pipe at the outlet of a metering vehicle, the other group of longitudinal pipe joints 2 are plugged by a pipe plug 9, a main pipe 1 is connected with a mandrel 6 in a sliding manner, one end of the mandrel 6 is provided with a nozzle adapter 7 used for connecting a field wellhead nozzle sleeve, the other end of the mandrel 6 is provided with an axial pipe joint 10, threads are processed inside the nozzle adapter 7, the nozzle adapter 7 is internally threaded with a customized nozzle 8, and the mandrel 6 is connected with a quick joint extension assembly through the axial pipe joint 10; glib connector 7 and on-the-spot well head glib bushing, female pipe 1 and on-the-spot well head sleeve pipe threaded connection, axial coupling 10 and measurement car import rubber union coupling, vertical coupling 2 and measurement car export rubber union coupling, quick-operation joint extension subassembly is used as required, the crude oil that needs the measurement flows out from the well head device, get into the measurement car through this quick-operation joint, the crude oil after accomplishing the measurement returns well head device through quick-operation joint again, get into follow-up flow, connect the flow above, the crude oil that makes need the measurement has formed the crude oil circulation return circuit, need not store the transportation to the measurement crude oil when satisfying the measurement, in operation aspect, it is sealed reliable, wide application scope.
Furthermore, in order to realize that the quick coupling meets different connection lengths, the quick coupling extension assembly comprises an extension core tube 12, one end of the extension core tube 12 is provided with an axial sleeve 11 for connecting the axial tube joint 10, and the other end of the extension core tube 12 is provided with an axial joint 14 for connecting an inlet rubber tube of a metering vehicle.
Further, in order to seal the joint of the main pipe 1 and the mandrel 6, the sealing component comprises a rubber seal 3, a sealing press ring 4 and a sealing nut 5, the rubber seal 3 is sleeved between the main pipe 1 and the mandrel 6, the sealing press ring 4 is slidably connected onto the mandrel 6, the sealing press ring 4 and the mandrel 6 are matched with the joint formed by the main pipe 1, and the sealing nut 5 is in threaded connection with the main pipe 1 and used for fixing the sealing press ring 4.
Furthermore, an O-shaped ring 15 is installed at the root of the outer ring of the oil nozzle joint 7, the O-shaped ring 15 is made of fluororubber, and the sealing effect of the joint of the oil nozzle joint 7 and the field wellhead oil nozzle sleeve is improved conveniently by the arrangement of the O-shaped ring 15.
Furthermore, the rubber seal 3 is made of oil-resistant natural rubber, the natural rubber has the performances of oil corrosion resistance and high temperature resistance, is not easy to age, has certain softness under the condition of ensuring the sealing strength, and fully ensures the sealing effect of the rubber seal 3.
The arrangement of the extension component and the customized oil nozzle 8 ensures that the device meets the metering requirement, reduces the limitation of field installation conditions, can be applied to more well fields, improves the application range of the quick joint, greatly reduces the labor cost and the maintenance cost of oil measurement of an oil well, and improves the oil field benefit.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides an oil field is quick-operation joint for well head connection, includes the quick-operation joint main part, its characterized in that, the quick-operation joint main part includes female pipe (1), female pipe (1) one end is equipped with sealing member, female pipe (1) one end processing of keeping away from sealing member has the special screw thread that is used for with on-the-spot well head sleeve pipe threaded connection, female pipe (1) lateral part is installed two sets of vertical coupling (2) relative, and one of them is a set of vertical coupling (2) are used for connecting the meter truck export rubber tube, another group vertical coupling (2) are with shutoff of casing cap (9), female pipe (1) inside sliding connection has dabber (6), dabber (6) one end is equipped with glib union (7) that are used for connecting on-the-spot glib casing of well head, the other end of dabber (6) is equipped with axial coupling (10), glib union (7) inside processing has the screw thread, the oil nozzle is characterized in that a customized oil nozzle (8) is connected to the inner thread of the oil nozzle connector (7), and the core shaft (6) is connected with a quick connector extension assembly through an axial pipe connector (10).
2. The quick connector for oilfield wellhead connection according to claim 1, wherein the quick connector extension assembly comprises an extension core pipe (12), one end of the extension core pipe (12) is provided with an axial sleeve (11) for connecting an axial pipe connector (10), and the other end of the extension core pipe (12) is provided with an axial connector (14) for connecting a rubber pipe at the inlet of a metering truck.
3. The quick coupling for oilfield wellhead connection according to claim 1, wherein the sealing component comprises a rubber seal (3), a sealing press ring (4) and a sealing nut (5), the rubber seal (3) is sleeved between the main pipe (1) and the mandrel (6), the sealing press ring (4) is slidably connected onto the mandrel (6), the sealing press ring (4) and the mandrel (6) are matched with a seam formed by the main pipe (1), and the sealing nut (5) is in threaded connection with the main pipe (1) and used for fixing the sealing press ring (4).
4. The quick connector for oilfield wellhead connection according to claim 1, wherein an O-shaped ring (15) is mounted at the root of the outer ring of the choke joint (7), and the O-shaped ring (15) is made of fluororubber.
5. The quick connector for oilfield wellhead connection according to claim 3, wherein the rubber seal (3) is made of oil-resistant natural rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122931014.3U CN216894277U (en) | 2021-11-26 | 2021-11-26 | Quick coupling for connecting oil field well mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122931014.3U CN216894277U (en) | 2021-11-26 | 2021-11-26 | Quick coupling for connecting oil field well mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216894277U true CN216894277U (en) | 2022-07-05 |
Family
ID=82202996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122931014.3U Active CN216894277U (en) | 2021-11-26 | 2021-11-26 | Quick coupling for connecting oil field well mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216894277U (en) |
-
2021
- 2021-11-26 CN CN202122931014.3U patent/CN216894277U/en active Active
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