CN217841551U - Heating nipple for heavy oil well - Google Patents
Heating nipple for heavy oil well Download PDFInfo
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- CN217841551U CN217841551U CN202221148965.1U CN202221148965U CN217841551U CN 217841551 U CN217841551 U CN 217841551U CN 202221148965 U CN202221148965 U CN 202221148965U CN 217841551 U CN217841551 U CN 217841551U
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Abstract
The utility model provides a viscous crude is heating nipple joint for well, the tail end of top connection and the head end threaded connection of heating nipple joint body, form the joint once on the tail end outer wall of heating nipple joint body, set up the heating pipe at the outer wall middle part of heating nipple joint body, the even winding of heating pipe is at the outer wall middle part of heating nipple joint body, the head end of heating pipe links to each other with the electric heat generation device, the electric heat generation device is installed on the outer wall of heating nipple joint body, install the outer protective sheath in the outside of heating pipe and electric heat generation device, cable interface has been seted up at the head end of outer protective sheath, the cable passes cable interface and links to each other with the electric heat generation device. The heating nipple joint is reliable in principle and convenient and fast to use, improves the temperature of fluid in an oil pipe and reduces the viscosity of thick oil fluid by supplying power through a cable and heating through a heating pipe, and can effectively solve the technical problem of poor flowability of the thick oil production fluid.
Description
Technical Field
The utility model relates to an oil gas field development technical field, more specifically say and relate to a viscous crude well is with heating nipple joint.
Background
High viscosity and poor fluidity are key difficulties faced by thick oil development, and reducing the viscosity of thick oil and improving the fluidity of fluid are main technical means for developing thick oil. At present, a thermal insulation oil pipe is mainly adopted in a heavy oil well development production string, heat loss is reduced, the flow of heavy oil fluid is guaranteed, the temperature of the fluid is gradually reduced from the bottom of a well to the top of the well, and the fluidity is gradually reduced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes not enough among the prior art provides a viscous crude well is with heating nipple joint, and this heating nipple joint principle is reliable, and it is convenient to use, through cable power supply and heating pipe heating, improves the fluid temperature in the oil pipe, reduces viscous crude fluid viscosity, can effectively solve the poor technological problem of viscous crude production fluid mobility.
The purpose of the utility model is realized by the following technical proposal.
A heating short section for a thick oil well comprises an upper joint, an electric heating device, a heating pipe, an outer protective sleeve, a heating short section body and a lower joint,
the tail end of top connection with the head end threaded connection of heating nipple joint body form one on the tail end outer wall of heating nipple joint body the bottom connection the outer wall middle part of heating nipple joint body sets up the heating pipe, the even winding of heating pipe is in the outer wall middle part of heating nipple joint body, the head end of heating pipe with the electricity heat generation device links to each other, the electricity heat generation device is installed on the outer wall of heating nipple joint body the heating pipe with the outside installation of electricity heat generation device the cable interface has been seted up to the head end of outer protective sheath, and the cable passes the cable interface with the electricity heat generation device links to each other to the purpose of realization to the electricity heat generation device power supply.
And a heat insulation layer is arranged in the outer protective sleeve to prevent heat loss.
The heating short section for the thick oil well is connected to the production pipe column through the upper joint and the lower joint.
The beneficial effects of the utility model are that: the utility model provides a viscous crude production viscosity high, mobility poor and lift difficult problem, the utility model discloses a cable power supply, heating pipe heating heaies up to reduce viscous crude fluid viscosity, ensure the mobile performance of viscous crude fluid in the production string, ensure to produce the viscous crude fluid to the well head.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1 is the top connection, and 2 are cable connector, and 3 are the electricity themogenesis device, and 4 are the heating pipe, and 5 are outer protective sheath, and 6 are heating nipple joint body, and 7 are the lower clutch.
For a person skilled in the art, without inventive effort, other relevant figures can be derived from the above figures.
Detailed Description
The technical solution of the present invention is further explained by the following specific examples.
A heating short section for a thick oil well comprises an upper joint 1, an electric heating device 3, a heating pipe 4, an outer protective sleeve 5, a heating short section body 6 and a lower joint 7,
the tail end of top connection 1 and the head end threaded connection of heating nipple joint body 6, form a bottom connection 7 on the tail end outer wall of heating nipple joint body 6, set up heating pipe 4 at the outer wall middle part of heating nipple joint body 6, heating pipe 4 evenly winds at the outer wall middle part of heating nipple joint body 6, the head end of heating pipe 4 links to each other with electric heat generation device 2, electric heat generation device 2 is installed on the outer wall of heating nipple joint body 6, electric heat generation device 3 has the effect of converting the electric energy into heat energy, install outer protective sheath 5 in the outside of heating pipe 4 and electric heat generation device 3, cable interface 2 has been seted up at outer protective sheath 5's head end, the cable passes cable interface 2 and links to each other with electric heat generation device 3, in order to realize the purpose to electric heat generation device 3 power supplies.
A heat insulation layer is arranged in the outer protective sleeve 5 to prevent heat loss.
The heating short section for the heavy oil well is connected to a production pipe column through an upper joint 1 and a lower joint 7.
The working process of the heating short joint for the heavy oil well sequentially comprises the following steps:
(1) Connecting the heating short sections for the heavy oil well to a production pipe column through an upper joint and a lower joint, wherein one well can be designed to use a plurality of heating short sections to enter the well according to design requirements;
(2) In the running process of the production string, the electric heating device is connected with a cable through a cable interface;
(3) After the production pipe column is put in place, supplying power to the heating short section for the heavy oil well through a cable;
electricity reaches the electricity and goes on energy conversion through the cable, with electric energy conversion heat energy, heats to heating nipple joint body and the viscous crude fluid that is located heating nipple joint body through the heating pipe, through rising temperature to reduce viscous crude fluid viscosity, improve viscous crude fluid flow property, the viscous crude fluid that is located it is heated with heating nipple joint through the viscous crude well of one-level, and then ensures to produce the viscous crude fluid to the well head smoothly.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an orientation of upper and lower. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
Although the present invention has been described in detail, the above description is only for the purpose of illustrating the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.
Claims (3)
1. The utility model provides a viscous crude is heating nipple joint for well, its characterized in that: comprises an upper joint, an electric heating device, a heating pipe, an outer protective sleeve, a heating short section body and a lower joint,
the tail end of top connection with the head end threaded connection of heating nipple joint body form one on the tail end outer wall of heating nipple joint body the bottom connection the outer wall middle part of heating nipple joint body sets up the heating pipe, the even winding of heating pipe is in the outer wall middle part of heating nipple joint body, the head end of heating pipe with the electricity heat generation device links to each other, the electricity heat generation device is installed on the outer wall of heating nipple joint body the heating pipe with the outside installation of electricity heat generation device the cable interface has been seted up to the head end of outer protective sheath, and the cable passes the cable interface with the electricity heat generation device links to each other to the purpose of realization to the electricity heat generation device power supply.
2. The heating nipple for the thick oil well according to claim 1, characterized in that: and a heat insulation layer is arranged in the outer protective sleeve to prevent heat loss.
3. The heating short section for the thick oil well according to claim 1, characterized in that: the heating short section for the thick oil well is connected to the production pipe column through the upper joint and the lower joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221148965.1U CN217841551U (en) | 2022-05-13 | 2022-05-13 | Heating nipple for heavy oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221148965.1U CN217841551U (en) | 2022-05-13 | 2022-05-13 | Heating nipple for heavy oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217841551U true CN217841551U (en) | 2022-11-18 |
Family
ID=84020908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221148965.1U Active CN217841551U (en) | 2022-05-13 | 2022-05-13 | Heating nipple for heavy oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217841551U (en) |
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2022
- 2022-05-13 CN CN202221148965.1U patent/CN217841551U/en active Active
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