CN215761597U - High temperature resistant oil field instrument packer - Google Patents
High temperature resistant oil field instrument packer Download PDFInfo
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- CN215761597U CN215761597U CN202121368786.4U CN202121368786U CN215761597U CN 215761597 U CN215761597 U CN 215761597U CN 202121368786 U CN202121368786 U CN 202121368786U CN 215761597 U CN215761597 U CN 215761597U
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- rubber sleeve
- resistant
- temperature
- pipe
- extension pipe
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Abstract
The utility model relates to the technical field of oil extraction, in particular to a high-temperature-resistant oil field tool packer which comprises an extension pipe, a joint and a rubber sleeve, wherein one end of the extension pipe is communicated with the rubber sleeve through a sealing structure, the top end of the rubber sleeve is communicated with an internal threaded pipe, the bottom end of the joint is communicated with an external threaded pipe, the external threaded pipe is screwed in the internal threaded pipe, a sealing gasket is sleeved on the outer wall of the joint, and a plurality of heat-resistant rubber blocks are embedded in the outer wall of the joint at equal intervals. The device can seal the inner space for a long time and prevent leakage by the piston type matching of the extension pipe and the rubber sleeve, and the rubber sleeve is formed by synthesizing and extruding high-temperature materials, thereby greatly improving the high-temperature bearing capacity of the device and being free from leakage in the long-time steam injection work in the pit.
Description
Technical Field
The utility model relates to the technical field of oil extraction, in particular to a high-temperature-resistant oil field tool packer.
Background
Heavy and high pour point oils are being produced in large oil fields throughout the country. The recovery of thick oil and high-condensation oil is a relatively difficult project, particularly the recovery of thick oil is more difficult, and for years, in order to recover the thick oil more than 2000 meters below a stratum, the best process at present is to inject steam of 360 degrees, superheated steam of 390 degrees, flue steam and the like into the stratum. The thick oil under the stratum is thinned under the action of high temperature, so that the thick oil can be exploited. Lower insulating tubing and thermal production packers are required in the process of injecting steam into the formation. The heat insulation pipe is used for preventing heat loss in the pipe column, and the thermal recovery packer is mainly used for sealing between the oil well casing pipe and the heat insulation pipe column ring sleeve, preventing steam from flowing upwards to the oil well casing pipe, being heated and extended, damaging the well cementation state of the underground crude oil well casing pipe, and possibly causing deformation of the oil well casing pipe due to heating, influencing the normal use of an oil well, and even possibly causing overhaul or report of the oil well when the oil well is serious.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect that the existing oil extraction packer in the prior art is poor in heat resistance, and provides a high-temperature-resistant oil field tool packer.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the design is a high temperature resistant oil field instrument packer, including extension pipe, joint and gum cover, extension pipe one end through seal structure with the gum cover intercommunication, gum cover top intercommunication has the internal thread pipe, it has the external screw thread pipe to connect the bottom intercommunication, the external screw thread pipe spiro union is in the internal thread pipe, the cover is equipped with seal ring on the joint outer wall, it has a plurality of heat-resisting rubber pieces to connect equidistant the outer wall to inlay.
Preferably, the sealing structure comprises an annular elastic sealing ring, a wedge-shaped clamping block and a clamp, the clamping block is fixedly connected to the inner wall of the rubber sleeve, the clamp is fixedly connected to the end part of the extension pipe, the extension pipe is inserted into the rubber sleeve, the clamp is clamped to the clamping block, and the elastic sealing ring is lined between the inner wall of the rubber sleeve and the outer wall of the extension pipe.
Preferably, the rubber sleeve is a high-temperature-resistant sheath made of high-temperature-resistant carbon fibers.
Preferably, the sealing washer is made of polytetrafluoroethylene.
The high-temperature-resistant oil field tool packer provided by the utility model has the beneficial effects that: the high-temperature-resistant oil field tool packer can seal the inner space for a long time and prevent leakage through the piston type matching of the extension pipe and the rubber sleeve, the rubber sleeve is formed by synthesizing and extruding high-temperature materials, the high-temperature bearing capacity of the device is greatly improved, and the packer can not leak in the long-time underground steam injection work.
Drawings
Fig. 1 is a schematic structural diagram of a high-temperature-resistant oilfield tool packer provided by the utility model.
FIG. 2 is a cross-sectional view of a high temperature resistant oilfield tool packer proposed by the present invention.
Fig. 3 is a schematic structural diagram of a high-temperature-resistant oilfield tool packer provided by the utility model.
FIG. 4 is a cross-sectional view of a high temperature resistant oilfield tool packer in accordance with the present invention.
FIG. 5 is an enlarged partial view of a high temperature resistant oilfield tool packer in accordance with the teachings of the present invention.
In the figure: extension pipe 1, clamp 101, joint 2, sealing washer 201, heat-resisting rubber piece 202, external screw thread pipe 203, internal screw thread pipe 3, gum cover 4, elastic sealing circle 401, fixture block 402.
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.
Referring to fig. 1-5, a high temperature resistant oil field instrument packer, including extension pipe 1, connect 2 and gum cover 4, gum cover 4 is high temperature resistant sheath, high temperature resistant sheath chooses for use high temperature resistant carbon fiber to make, extension pipe 1 one end is passed through seal structure and is linked together with gum cover 4, 4 top intercommunications of gum cover have internal thread pipe 3, 2 bottom intercommunications of joint have external screw thread pipe 203, external screw thread pipe 203 spiro union is in internal thread pipe 3, the cover is equipped with seal ring 201 on connecting 2 outer walls, seal ring 201 material is polytetrafluoroethylene, it has a plurality of heat-resisting rubber piece 202 to connect 2 equidistant inlays on the outer wall. The extension pipe 1 is in piston fit with the rubber sleeve 4, so that the internal space can be sealed for a long time, leakage is prevented, the rubber sleeve 4 is formed by synthesizing and extruding high-temperature materials, the high-temperature bearing capacity of the device is greatly improved, and the device can be free from leakage in long-time underground steam injection work.
Seal structure includes annular elastic sealing ring 401, wedge-shaped fixture block 402 and clamp 101, and fixture block 402 rigid coupling is on 4 inner walls of gum cover, and clamp 101 rigid coupling is on 1 tip of extension pipe, and extension pipe 1 cartridge is inside gum cover 4, and clamp 101 joint is on fixture block 402, and elastic sealing ring 401 lining is between 4 inner walls of gum cover and extension pipe 1 outer wall. The sealing structure further improves the air tightness of the device and improves the capability of no leakage during work.
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 (4)
1. The utility model provides a high temperature resistant oil field instrument packer, its characterized in that, includes extension pipe (1), joint (2) and gum cover (4), extension pipe (1) one end through seal structure with gum cover (4) intercommunication, gum cover (4) top intercommunication has internal thread pipe (3), it has external screw thread pipe (203) to connect (2) bottom intercommunication, external screw thread pipe (203) spiro union is in internal thread pipe (3), the cover is equipped with seal ring (201) on connecting (2) outer wall, it has a plurality of heat-resisting rubber piece (202) to inlay on connecting (2) outer wall equidistant.
2. The high-temperature-resistant oilfield tool packer as claimed in claim 1, wherein the sealing structure comprises an annular elastic sealing ring (401), a wedge-shaped fixture block (402) and a clamp (101), the fixture block (402) is fixedly connected to the inner wall of the rubber sleeve (4), the clamp (101) is fixedly connected to the end of the extension pipe (1), the extension pipe (1) is inserted into the rubber sleeve (4), the clamp (101) is clamped to the fixture block (402), and the elastic sealing ring (401) is lined between the inner wall of the rubber sleeve (4) and the outer wall of the extension pipe (1).
3. The high-temperature-resistant oilfield tool packer as claimed in claim 1, wherein the rubber sleeve (4) is a high-temperature-resistant sheath made of high-temperature-resistant carbon fiber.
4. The high temperature resistant oilfield tool packer of claim 1, wherein the sealing washer (201) is polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368786.4U CN215761597U (en) | 2021-06-18 | 2021-06-18 | High temperature resistant oil field instrument packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368786.4U CN215761597U (en) | 2021-06-18 | 2021-06-18 | High temperature resistant oil field instrument packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215761597U true CN215761597U (en) | 2022-02-08 |
Family
ID=80101186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121368786.4U Active CN215761597U (en) | 2021-06-18 | 2021-06-18 | High temperature resistant oil field instrument packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215761597U (en) |
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2021
- 2021-06-18 CN CN202121368786.4U patent/CN215761597U/en active Active
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