CN213540321U - High-temperature submersible pump lateral wellhead penetrator - Google Patents
High-temperature submersible pump lateral wellhead penetrator Download PDFInfo
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- CN213540321U CN213540321U CN202021455892.1U CN202021455892U CN213540321U CN 213540321 U CN213540321 U CN 213540321U CN 202021455892 U CN202021455892 U CN 202021455892U CN 213540321 U CN213540321 U CN 213540321U
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Abstract
The utility model discloses a: a high-temperature submersible pump lateral wellhead penetrator comprises a wellhead assembly, wherein a penetrator is connected to the wellhead assembly, a pressure measuring cable is inserted into the penetrator in a penetrating mode, a temperature measuring cable is inserted into the penetrator in a penetrating mode, a penetrator shell is arranged at the tail end of the penetrator shell, a penetrator end socket is arranged at the tail end of the penetrator shell, a snake-skin pipe joint is sleeved on the penetrator end socket, the penetrator is connected to a wellhead protecting pipe outlet valve flange to achieve a penetrating mode of the cable, the temperature measuring cable and the pressure measuring cable, an existing wellhead is fully utilized, the wellhead is prevented from being redesigned for installing the wellhead penetrator, the cost and the time for redesigning and manufacturing the wellhead are saved, the penetration of the three cables, the temperature measuring cable and the pressure measuring cable is achieved in one penetrating.
Description
Technical Field
The utility model relates to a high temperature is latent oily pump side direction well head subassembly construction technology specifically is a high temperature is latent oily pump side direction well head and is passed through ware.
Background
The power supply of the electric submersible pump unit needs to be connected with the working power supply on the well through a cable, the cable needs to penetrate through the wellhead from the ground to the underground due to the fact that the electric submersible pump works underground, and the wellhead penetrating device needs to be used for ensuring that the sealing effect of the wellhead is not damaged. When the oil well works, the pressure above the wellhead is atmospheric pressure, the temperature is ambient temperature, the annular pressure below the wellhead is about 1MPa, the temperature can reach about 180 ℃, and at the moment, the wellhead penetrator must work under high temperature and high pressure. However, the wellhead penetrator with the existing structure is not ideal in temperature resistance and pressure resistance, particularly when blowout occurs, the wellhead penetrator is often disabled in sealing in the face of instantaneous high pressure, and a better solution is not provided for a high-temperature oil well. Meanwhile, in order to install the wellhead penetrator on the wellhead, the wellhead needs to be redesigned, and the use cost of the electric submersible pump is improved. The existing wellhead penetrator can only provide cable penetration, but cannot provide temperature measuring cables and pressure measuring cables. Temperature measuring cables and pressure measuring cable penetrating structures need to be additionally designed on a wellhead, so that the penetrating is very complex in the design and installation processes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature submersible pump side direction well head passes through ware to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the lateral wellhead penetrator of the high-temperature submersible pump comprises a wellhead assembly, wherein a penetrator is connected to the wellhead assembly, a pressure measuring cable is inserted into the penetrator, a temperature measuring cable is inserted into the penetrator, a penetrator shell is arranged at the tail end of the penetrator, a penetrator end head is arranged at the tail end of the penetrator shell, and a snakeskin pipe joint is sleeved on the penetrator end head.
Preferably, the number of the through holes is more than 3.
Preferably, a cable damping assembly is arranged between the wellhead assembly and the crossing body and comprises a connecting cylinder, a spring is sleeved on the connecting cylinder, a sealing ring is arranged at the tail end of the spring and is connected to the connecting cylinder in a sliding mode, a sleeve is connected to the connecting cylinder in a sliding mode, and the tail end of the sleeve is fixed to the crossing body.
Preferably, a sealing gasket is arranged at the sliding connection position of the sleeve and the connecting cylinder.
Preferably, a penetrating sealing assembly is arranged between the penetrating body and the temperature measuring cable, and between the penetrating body and the pressure measuring cable, and between the penetrating body and the temperature measuring cable, and between the penetrating body and the pressure measuring cable.
Preferably, the penetrating sealing assembly comprises a metal sleeve, the metal sleeve is provided with a conical thread, the conical thread is screwed on the conical external thread, and the conical external thread is arranged on the penetrating body.
Preferably, the conical thread and the conical external thread are wound with raw adhesive tapes during installation.
Preferably, it includes interior insulation support to pass through seal assembly, interior insulation support cup joints on the pressure measurement cable, cup joint waveform seal cover and waveform seal cover connection on the pressure measurement cable interior insulation support, the end of waveform seal cover is equipped with the packing ring, the outer insulation support of packing ring laminating, the pressure regulating spring has been cup jointed on the outer insulation support, the end-to-end connection pressure regulating swivel nut of pressure regulating spring, the pressure regulating swivel nut cup joints on the outer insulation support.
Preferably, the utility model provides a high temperature submersible pump side direction well head passes through device adopts foretell ware that passes through.
Preferably, the method for penetrating the high-temperature submersible pump cable through the wellhead comprises the following steps: penetrating sealing components are arranged between the penetrating body and the temperature measuring cable, between the penetrating body and the pressure measuring cable and between the penetrating body and the pressure measuring cable, the penetrating sealing components (10) comprise metal clamping sleeves (103), conical threads (102) are arranged on the metal clamping sleeves (103), the conical threads (102) are in threaded connection with conical external thread threads (101), and the conical external thread threads (101) are arranged on the penetrating body (2). The conical threads (102) and the conical external thread threads (101) are wound with raw adhesive tapes during installation.
Preferably, the traversing device is adopted in the method for traversing the cable of the high-temperature submersible pump through the wellhead, and the method comprises the following steps: the temperature measuring cable is characterized in that a penetrating sealing assembly is arranged between the penetrating body and the temperature measuring cable and the pressure measuring cable, the penetrating sealing assembly (10) comprises an inner insulating sleeve (104), the inner insulating sleeve (104) is sleeved on the pressure measuring cable (9), a waveform sealing sleeve (105) and the waveform sealing sleeve (105) are sleeved on the pressure measuring cable (9) and connected with the inner insulating sleeve (104), a gasket (106) is arranged at the tail end of the waveform sealing sleeve (105), the gasket (106) is attached to an outer insulating sleeve, a pressure regulating spring (107) is sleeved on the outer insulating sleeve, the tail end of the pressure regulating spring (107) is connected with a pressure regulating threaded sleeve (108), and the pressure regulating threaded sleeve (108) is sleeved on the outer insulating sleeve).
Compared with the prior art, the beneficial effects of the utility model are that: the crossing device is connected to the outlet valve flange of the wellhead protection pipe to realize the crossing mode of the cable, the temperature measuring cable and the pressure measuring cable, the existing wellhead is fully utilized, the redesign of the wellhead for installing the wellhead crossing device is avoided, the cost and time for redesigning and manufacturing the wellhead are saved, the crossing of the three cables, the temperature measuring cable and the pressure measuring cable is realized simultaneously in one crossing body, and the structure is more compact.
Drawings
Fig. 1 is a schematic structural view of a lateral wellhead penetrator of the high-temperature submersible electric pump of the present invention;
fig. 2 is a schematic view of the connection between the lateral wellhead penetrator and the wellhead of the high-temperature submersible electric pump of the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of the present invention;
fig. 4 is a schematic view of the cable passing through seal of the present invention;
fig. 5 is a schematic view of another cable crossing seal according to the present invention.
The wellhead assembly 1, the penetrating body 2, the cable damping assembly 3, the spring 31, the sleeve 32, the sealing ring 33, the connecting cylinder 34, the penetrating device shell 4, the penetrating device end 5, the flexible pipe joint 6, the cable 7, the temperature measuring cable 8, the pressure measuring cable 9, the penetrating sealing assembly 10, the metal ferrule 101, the conical thread 102, the metal ferrule 103, the inner insulating sleeve 104, the wave-shaped sealing sleeve 105, the gasket 106, the pressure regulating spring 107 and the pressure regulating screw sleeve 108.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Example one
Referring to fig. 1 to 4, the present invention provides a technical solution: a high-temperature submersible pump lateral wellhead penetrator and a cable penetrating method comprise a wellhead assembly 1, wherein a penetrating body 2 is connected to the wellhead assembly 1, a pressure measuring cable 9 is inserted into the penetrating body 2, a cable 7 is inserted into the penetrating body 1, a temperature measuring cable 8 is inserted into the penetrating body 1, a penetrating device shell 4 is arranged at the tail end of the penetrating body 1, a penetrating device end head 5 is arranged at the tail end of the penetrating device shell 4, and a flexible pipe joint 5 is sleeved on the penetrating device end head 5.
Specifically, a cable damping assembly 3 is arranged between the wellhead assembly 1 and the crossing body 2, the cable damping assembly 3 comprises a connecting cylinder 34, a spring 31 is sleeved on the connecting cylinder 34, a sealing ring 33 is arranged at the tail end of the spring 31, the sealing ring 33 is connected to the connecting cylinder 34 in a sliding mode, a sleeve 32 is connected to the connecting cylinder 34 in a sliding mode, and the tail end of the sleeve 32 is fixed to the crossing body 2.
When the cable transmission of well head subassembly 1 in service comes vibrations, vibrations are in cable damper assembly 3 department, drive sleeve 32 and whole crossing body 2 and take place vibrations, and produce and remove, and because there is spring 31 between sleeve 32 and the connecting cylinder 34, and spring 31 can carry out the shock attenuation with the vibrations that whole equipment and cable department transmitted come, and sleeve 32 and connecting cylinder 34 are in sliding connection in equipment simultaneously, at sliding connection, and the sealing ring 33 at the end of spring 31 is because the pressure that the negative pressure of spring produced hugs closely sleeve 32 and prevents the phenomenon that the oil leak from taking place, reach the mesh that can the shock attenuation can the leak protection again.
A sealing gasket is arranged at the sliding connection position of the sleeve 32 and the connecting cylinder 34.
The sliding connection between the sleeve 32 and the connecting cylinder 34 is provided with a sealing gasket, so that secondary strengthening and guarantee can be effectively carried out on the leakage-proof function of the cable damping component 3, and the leakage-proof performance is improved.
Specifically, a penetrating sealing assembly 10 is arranged between the penetrating body 2 and the temperature measuring cable 8, the cable 7 and the pressure measuring cable 9.
The purpose of the added pass-through seal assembly 10 is to prevent oil within the wellhead assembly 1 from leaking through the cable connection, improving the integrity of the installation.
Specifically, the penetrating sealing assembly 10 comprises a metal ferrule 103, wherein a conical thread 102 is arranged on the metal ferrule 103, the conical thread 102 is screwed on a conical external thread 101, and the conical external thread 101 is arranged on the penetrating body 2.
The temperature measuring metal perforated joint realizes the sealing with the penetrating body by the conical thread. The sealing between the perforated joint and the temperature measuring cable is realized by a metal ferrule in the perforated joint.
Specifically, the tapered thread 102 and the tapered male thread 101 are wound with raw adhesive tape at the time of installation.
Through simple installation and assembly mode improve equipment's leak protection performance, effectual saving cost and holistic result of use.
The working principle is as follows: a high-temperature electric submersible pump lateral wellhead penetrator realizes the penetration of a cable, a temperature measuring cable and a pressure measuring cable by connecting the penetrator at a wellhead component 1. The high-temperature electric submersible pump lateral wellhead penetrator comprises a penetrating part and a protecting part. Wherein the pass-through part comprises: the device comprises a wellhead connecting part, a penetrating part of three cables, a penetrating part of a temperature measuring cable and a penetrating part of a pressure measuring cable.
The flange of the penetrating body 2 is connected with the penetrating device 2 and a wellhead protection pipe outlet valve flange through a connecting bolt, and a metal sealing ring is arranged between the two flanges to realize the sealing of the penetrating device and a wellhead. Five axial through holes are used in the penetrating body 2, wherein three through holes are used for the penetration of three cables 7, and the other two through holes are used for the penetration of a temperature measuring cable 8 and a pressure measuring cable 9.
The cable 7 pass-through part realizes pass-through sealing of the cable 7 by two groups of sealing components 10 in the pass-through body 2. The two groups of sealing components have the same structure and symmetrical positions. The crossing assembly 10 is used for insulation over the cable.
The protection part comprises a penetrator shell 4, a penetrator end 5 and a flexible conduit joint 6. One end of the penetrator shell 4 is connected with the penetrator 2 through a thread, the other end is connected with the penetrator end 5 through a thread to form a sealed cavity to protect the joint of the underground large flat cable and the ground cable, and the other side of the penetrator end is connected with the flexible conduit joint 6. The flexible conduit plays a role in protecting the cable and beautifying the appearance.
Example two
Referring to fig. 1, 2, 3 and 5, the present invention provides a technical solution: the embodiment adopts the structural standard of the embodiment I, wherein the structural standard comprises the following steps:
specifically, a penetrating sealing assembly 10 is arranged between the penetrating body 2 and the temperature measuring cable 8, the cable 7 and the pressure measuring cable 9.
The purpose of the added pass-through seal assembly 10 is to prevent oil within the wellhead assembly 1 from leaking through the cable connection, improving the integrity of the installation.
Particularly, it includes interior insulation support 104 to pass through seal assembly 10, interior insulation support 104 cup joints on the pressure measurement cable 9, cup joint waveform seal cover 105 and waveform seal cover 105 on the pressure measurement cable 9 and connect interior insulation support 104, the end of waveform seal cover 105 is equipped with packing ring 106, packing ring 106 laminating outer insulation support 106, the pressure regulating spring 107 has been cup jointed on the outer insulation support 106, the end-to-end connection pressure regulating swivel nut 108 of pressure regulating spring 107, pressure regulating swivel nut 108 cup joints on the outer insulation support 106.
The cable penetrating part consists of a penetrating body, an inner insulating sleeve, a wave-shaped sealing sleeve, an outer insulating sleeve, a pressure regulating spring and a pressure regulating screw sleeve. The two-stage sealing structure is the same and has symmetrical positions. The inner insulating sleeve, the outer insulating sleeve and the waveform sealing sleeve are positioned in the through hole of the crossing body cable and sleeved on the cable, the gasket is positioned between the outer insulating sleeve and the waveform sealing sleeve, the pressure regulating spring and the pressure regulating screw sleeve are sleeved on the outer insulating sleeve, and external threads on the pressure regulating screw sleeve are connected with internal threads passing through the through hole of the cable.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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 a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high-temperature submersible pump lateral wellhead penetrator comprises a wellhead assembly (1) and is characterized in that; the wellhead assembly (1) is connected with a penetrating body (2), the penetrating body (2) is provided with a plurality of through holes, a pressure measuring cable (9), a cable (7) and a temperature measuring cable (8) are respectively inserted into the through holes, the tail end of the penetrating body (2) is provided with a penetrating device shell (4), the tail end of the penetrating device shell (4) is provided with a penetrating device end head (5), and the penetrating device end head (5) is sleeved with a snakeskin pipe connector (6).
2. The lateral wellhead penetrator of the high-temperature submersible pump according to claim 1, characterized in that; be equipped with cable damper assembly (3) between well head subassembly (1) and the body (2) that passes through, cable damper assembly (3) are including connecting cylinder (34), spring (31) have been cup jointed on connecting cylinder (34), the end of spring (31) is equipped with sealing ring (33), sealing ring (33) sliding connection be in on connecting cylinder (34), sliding connection sleeve (32) on connecting cylinder (34), the end of sleeve (32) is fixed on passing through body (2).
3. The lateral wellhead penetrator of the high-temperature submersible pump according to claim 2, characterized in that; and a sealing gasket is arranged at the sliding connection part of the sleeve (32) and the connecting cylinder (34).
4. The lateral wellhead penetrator of the high-temperature submersible pump according to claim 1, characterized in that; a penetrating sealing assembly (10) is arranged between the penetrating body (2) and the temperature measuring cable (8), between the cable (7) and between the penetrating body and the pressure measuring cable (9).
5. The lateral wellhead penetrator of the high-temperature submersible pump according to claim 4, characterized in that; the penetrating sealing assembly (10) comprises a metal clamping sleeve (103), wherein a conical thread (102) is arranged on the metal clamping sleeve (103), the conical thread (102) is in threaded connection with a conical external thread (101), and the conical external thread (101) is arranged on the penetrating body (2).
6. The lateral wellhead penetrator of the high-temperature submersible pump according to claim 5, characterized in that; the conical threads (102) and the conical external thread threads (101) are wound with raw adhesive tapes during installation.
7. The lateral wellhead penetrator of the high-temperature submersible pump according to claim 4, characterized in that; pass through seal assembly (10) and include interior insulation support (104), interior insulation support (104) cup joint on pressure measuring cable (9), cup joint waveform seal cover (105) and waveform seal cover (105) on pressure measuring cable (9) and connect interior insulation support (104), the end of waveform seal cover (105) is equipped with packing ring (106), outer insulation support of packing ring (106) laminating, outer insulation support has cup jointed pressure regulating spring (107), end-to-end connection pressure regulating swivel nut (108) of pressure regulating spring (107), pressure regulating swivel nut (108) cup joint on the outer insulation support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021455892.1U CN213540321U (en) | 2020-07-22 | 2020-07-22 | High-temperature submersible pump lateral wellhead penetrator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021455892.1U CN213540321U (en) | 2020-07-22 | 2020-07-22 | High-temperature submersible pump lateral wellhead penetrator |
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| CN213540321U true CN213540321U (en) | 2021-06-25 |
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| CN202021455892.1U Active CN213540321U (en) | 2020-07-22 | 2020-07-22 | High-temperature submersible pump lateral wellhead penetrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927370A (en) * | 2020-07-22 | 2020-11-13 | 沈阳工业大学通益科技有限公司 | High-temperature submersible pump lateral wellhead traversing device and cable traversing method |
-
2020
- 2020-07-22 CN CN202021455892.1U patent/CN213540321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927370A (en) * | 2020-07-22 | 2020-11-13 | 沈阳工业大学通益科技有限公司 | High-temperature submersible pump lateral wellhead traversing device and cable traversing method |
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