CN112177596A - Underground working condition instrument capable of being penetrated by power pump cable - Google Patents
Underground working condition instrument capable of being penetrated by power pump cable Download PDFInfo
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- CN112177596A CN112177596A CN202010866076.8A CN202010866076A CN112177596A CN 112177596 A CN112177596 A CN 112177596A CN 202010866076 A CN202010866076 A CN 202010866076A CN 112177596 A CN112177596 A CN 112177596A
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- keel
- flange joint
- sleeve
- sensor
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Abstract
The invention discloses an underground working condition instrument capable of allowing a pump cable to pass through, which comprises a flange joint, a keel, a sealing cylinder, a sleeve, a circuit board, a signal filter, a sensor and a test contact pin, wherein the flange joint is fixedly connected with the keel; the working condition of the electric pump is monitored by arranging a sensor on the lower end face of a flange joint and a test contact pin with a sealing function arranged on the joint, acquiring external signal data and processing the external signal data through a circuit board and a signal filter, wherein a through hole which is formed in the whole body consisting of the flange joint, the keel and the sealing cylinder and is used for a cable to pass through is formed in the whole body; the invention can realize that when the lower end of the electric pump is required to be connected with other underground equipment, the three-phase cable of the electric pump passes through the pump working condition instrument to be connected with other underground equipment.
Description
Technical Field
The invention belongs to the field of petroleum drilling and production, and particularly relates to an underground working condition instrument capable of being penetrated by a power pump cable.
Background
In the oil drilling and production process, particularly on an offshore platform, a pump condition instrument is required to detect the running condition of an electric pump so as to obtain each parameter in the running process of the electric pump, the lower end of the electric pump sometimes needs to be connected into other underground equipment, such as a test joint and the like, a three-phase cable of the electric pump needs to penetrate through the pump condition instrument to be connected with other underground equipment, the existing pump condition instrument is a whole, and the requirement of cable penetrating and wiring is difficult to meet in normal use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the downhole working condition instrument through which a power pump cable can pass.
The invention is realized by the following technical scheme:
an underground working condition instrument capable of being penetrated by a power pump cable comprises a flange joint, a keel, a sealing cylinder, a sleeve, a circuit board, a signal filter, a sensor and a test contact pin;
the keel is arranged between the flange joint and the sealing cylinder, the sleeve is sleeved outside the keel and the sealing cylinder, and the upper end of the sleeve is in threaded connection with the flange joint;
the circuit board is arranged below the keel, the signal filter is arranged above the keel, the sensor is arranged on the lower end face of the flange joint, the test contact pin is arranged on the upper end face of the flange joint, and the signal filter, the sensor and the test contact pin are respectively connected with the circuit board;
a through hole which extends from the head to the tail and is used for a cable to pass through is formed in the whole body consisting of the flange joint, the keel and the sealing cylinder; and a sensor connecting through hole is formed in the flange joint.
In the above technical scheme, the cross section of the keel is rectangular.
In the technical scheme, threaded holes are uniformly distributed in the upper end surface of the keel.
In the above technical scheme, a sealing ring is arranged at the joint of the flange joint and the sleeve.
In the technical scheme, a reinforcing rib is arranged at one end of the keel connected with the sealing cylinder.
In the technical scheme, the lower end face of the sleeve is provided with the flange which is matched with the underground tool.
In the technical scheme, a righting plate is arranged in the sleeve and close to the tail part, and the righting plate is connected with the sealing cylinder and used for fixing and limiting the sealing cylinder.
In the technical scheme, the test contact pin has a sealing function.
In the technical scheme, the sensor connecting through hole comprises a top through hole and a shaft side through hole, and is respectively connected with a sensor for measuring the pressure of a suction inlet of the pump and a sensor for measuring the pressure of a discharge outlet of the pump in an abutting mode, the suction inlet is communicated with external well fluid, and the discharge outlet is connected with a motor pressure transmission pipeline.
The invention has the advantages and beneficial effects that:
1. the sensor with NPT threads is connected with the through hole through the joint side, the sealing of the joint side is realized, the sealing of the pin position is realized through the test pin with the sealing function, the sealing ring is arranged at the upper end of the threads and the sealing groove of the sealing cylinder, the sealing cylinder is positioned in the smooth round hole after the flange joint is installed, the flange joint is tightly matched with the sleeve, and the matching position of the flange joint and the sleeve is sealed with the outside.
2. The keel with a rectangular cross section is welded at the lower end of the joint of the flange joint, the tail end of the keel is provided with the reinforcing rib and the sealing cylinder, the pump working condition instrument is made into a whole from the flange to the tail end, three through holes are formed in the upper end of the joint, the diameter of each hole is the same as that of a three-phase line of the motor, and the three-phase line of the electric pump penetrates through the working condition instrument and does not influence the inside of the working condition instrument.
3. The sensors are arranged at one end, facing the sleeve, of the lower end of the flange joint and provided with the sealing function test contact pin arranged on the joint, so that external signal data are collected and processed through the circuit board and the signal filter, and the working condition of the electric pump is monitored.
4. The flange plate is arranged at the lower end of the sleeve, the size of the flange plate is consistent with that of the conventional downhole tool, and the pump working condition instrument and the conventional downhole tool can be quickly installed.
5. The upper end of the keel is provided with uniformly distributed threaded holes, so that the rapid installation of parts during replacement and upgrading is realized.
6. The reinforcing ribs arranged at the tail ends of the keels enable the keels not to deform and bend when the pump working condition instrument bears pressure in the pit.
7. One end of the side of the joint is milled into a plane, so that characters can be engraved or nameplates can be arranged conveniently.
8. Open through the sleeve middle part has the round hole, and the board is right in the welding of round hole outside, and it has the round hole to right board center, squeezes into the round hole with pin or self-tapping nail, realizes rightting of flange joint in the sleeve, guarantees flange joint and holistic axiality.
9. The invention can realize that when the lower end of the electric pump is required to be connected with other underground equipment, the three-phase cable of the electric pump passes through the pump working condition instrument to be connected with other underground equipment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a downhole condition apparatus capable of being traversed by a pump cable according to the present invention.
FIG. 2 is a schematic diagram of the internal structure of a downhole condition apparatus capable of being traversed by a power pump cable according to the present invention.
FIG. 3 is a schematic view of a flange joint structure of a downhole condition apparatus capable of being penetrated by a pump cable according to the present invention.
FIG. 4 is a schematic diagram of a sleeve structure of a downhole condition apparatus capable of being penetrated by a pump cable according to the present invention.
The device comprises a flange connector 1, a keel 1-1, reinforcing ribs 1-2, a sealing cylinder 1-3, a through hole 1-4, a top through hole 1-5, an axial through hole 1-6, a sleeve 2, a flange plate 2-1, a centering plate 2-2, a test pin 3, a circuit board 4, a signal filter 5, a sensor 6 and a sealing ring 7.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Examples
An underground working condition instrument capable of being penetrated by a power pump cable comprises a flange joint 1, keels 1-1, sealing cylinders 1-3, a sleeve 2, a circuit board 4, a signal filter 5, a sensor 6 and a test contact pin 3;
the keel is arranged between the flange joint and the sealing cylinder, the cross section of the keel is rectangular, and threaded holes are uniformly distributed in the upper end surface of the keel; the sleeve is sleeved outside the keel and the sealing cylinder, and the upper end of the sleeve is in threaded connection with the flange joint; and a sealing ring 7 is arranged at the joint of the flange joint and the sleeve. And reinforcing ribs 1-2 are arranged at one end of the keel connected with the sealing cylinder. The lower end face of the sleeve is provided with a flange plate 2-1, the flange plate is matched with an underground tool, a righting plate 2-2 is arranged in the sleeve close to the tail part, and the righting plate is connected with the sealing cylinder and used for fixing and limiting the sealing cylinder.
The circuit board is arranged below the keel, the signal filter is arranged above the keel, the sensor is arranged on the lower end face of the flange joint, and the test contact pin is arranged on the upper end face of the flange joint and has a sealing function; the signal filter, the sensor and the test contact pin are respectively connected with the circuit board;
a through hole 1-4 which extends from the head to the tail and is used for a cable to pass through is formed in the whole body consisting of the flange joint, the keel and the sealing cylinder; and a sensor connecting through hole is formed in the flange joint, the sensor connecting through hole comprises a top through hole 1-5 and a shaft side through hole 1-6, and is respectively butted with a sensor for measuring the pressure of a suction inlet of the pump and a sensor for measuring the pressure of a discharge outlet of the pump, the suction inlet is communicated with external well fluid, and the discharge outlet is connected with a motor pressure transmission pipeline.
A function and a use method of a downhole working condition instrument capable of being penetrated by a power pump cable are disclosed:
sealing in the well: connecting NPT interfaces of pressure transmission pipelines with sensor connecting through holes 1-5 and 1-6 with NPT threads arranged beside a flange joint 1 to realize the sealing of the side of the flange joint 1, arranging a test contact pin 3 with a sealing function on the flange joint 1 to realize the sealing of the position of the contact pin, rotating the flange joint 1 to ensure that the flange joint 1 is connected with a sleeve 2 through threads, realizing the sealing of the mounting positions of the flange joint 1 and the sleeve 2 through a sealing ring 7 arranged at the upper end of the threads, positioning a sealing cylinder 1-3 in a smooth round hole of the sleeve 2 after the flange joint 1 is mounted, closely matching, and realizing the sealing of the matching position of the flange joint 1 and the tail end of the sleeve 2 with the outside through the sealing ring 7 on the sealing cylinder 1-3;
cable crossing: after the flange joint 1 and the sleeve 2 are connected and the sealing with the outside is realized, a three-phase line of the electric pump penetrates through the pump working condition instrument through three through holes 1-4 formed in the upper end of the flange joint 1 and is connected with a downhole tool, so that the electric pump cable penetrates through the pump working condition instrument in the axial direction;
signal acquisition: the working condition of the electric pump is monitored by connecting a test contact pin 3 with a sealing function arranged on the flange joint 1 with a sensor 6 arranged on an NPT thread at one end of a through hole 1-5, 1-6 facing the sleeve 2 through the sensor at the lower end of the flange joint 1, acquiring external signal data, and processing the signal data through a circuit board 4 and a signal filter 5;
connecting a downhole tool: connecting a mounting flange of the downhole tool with a flange 2-1 arranged at the lower end of the sleeve 2, so as to realize quick mounting of the pump working condition instrument and the conventional downhole tool;
righting a flange joint: the pin or the self-tapping nail is driven into a round hole in the center of a righting plate 2-2 at the lower end of the sleeve 2, so that the righting of the flange joint 1 in the sleeve 2 is realized, and the coaxiality of the flange joint 1 and the whole equipment is ensured.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (9)
1. The utility model provides a can supply downhole operating mode appearance that pump cable passed through which characterized in that: the device comprises a flange joint, a keel, a sealing cylinder, a sleeve, a circuit board, a signal filter, a sensor and a test contact pin;
the keel is arranged between the flange joint and the sealing cylinder, the sleeve is sleeved outside the keel and the sealing cylinder, and the upper end of the sleeve is in threaded connection with the flange joint;
the circuit board is arranged below the keel, the signal filter is arranged above the keel, the sensor is arranged on the lower end face of the flange joint, the test contact pin is arranged on the upper end face of the flange joint, and the signal filter, the sensor and the test contact pin are respectively connected with the circuit board;
a through hole which extends from the head to the tail and is used for a cable to pass through is formed in the whole body consisting of the flange joint, the keel and the sealing cylinder; and a sensor connecting through hole is formed in the flange joint.
2. The downhole condition instrument capable of being traversed by the electric cable of the electric pump according to claim 1, characterized in that: the cross section of the keel is rectangular.
3. The downhole condition instrument capable of being traversed by the electric cable of the electric pump according to claim 1, characterized in that: threaded holes are uniformly distributed on the upper end surface of the keel.
4. The downhole condition instrument capable of being traversed by the electric cable of the electric pump according to claim 1, characterized in that: and a sealing ring is arranged at the joint of the flange joint and the sleeve.
5. The downhole condition instrument capable of being traversed by the electric cable of the electric pump according to claim 1, characterized in that: and reinforcing ribs are arranged at one end of the keel connected with the sealing cylinder.
6. The downhole condition instrument capable of being traversed by the electric cable of the electric pump according to claim 1, characterized in that: the lower end face of the sleeve is provided with a flange plate, and the flange plate is matched with an underground tool.
7. The downhole condition instrument capable of being traversed by the electric cable of the electric pump according to claim 1, characterized in that: a righting plate is arranged in the sleeve and close to the tail portion, and the righting plate is connected with the sealing cylinder and used for fixing and limiting the sealing cylinder.
8. The downhole condition instrument capable of being traversed by the electric cable of the electric pump according to claim 1, characterized in that: the test pin has a sealing function.
9. The downhole condition instrument capable of being traversed by the electric cable of the electric pump according to claim 1, characterized in that: the sensor connecting through hole comprises a top through hole and a shaft side through hole, and is respectively connected with a sensor for measuring the pressure of a suction inlet of the pump and a sensor for measuring the pressure of a discharge outlet of the pump in an abutting mode, the suction inlet is communicated with external well fluid, and the discharge outlet is connected with a motor pressure transmission pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010866076.8A CN112177596A (en) | 2020-08-25 | 2020-08-25 | Underground working condition instrument capable of being penetrated by power pump cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010866076.8A CN112177596A (en) | 2020-08-25 | 2020-08-25 | Underground working condition instrument capable of being penetrated by power pump cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112177596A true CN112177596A (en) | 2021-01-05 |
Family
ID=73924411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010866076.8A Pending CN112177596A (en) | 2020-08-25 | 2020-08-25 | Underground working condition instrument capable of being penetrated by power pump cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112177596A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873077A (en) * | 2022-05-11 | 2022-08-09 | 中国海洋石油集团有限公司 | Pull formula antiskid area is suppressed function charge pump protector and operating mode appearance transportation cap |
Citations (7)
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|---|---|---|---|---|
| US20030148672A1 (en) * | 2002-02-06 | 2003-08-07 | Henry Kent D. | Multi-parameter monitoring tool assembly |
| CN1888387A (en) * | 2006-07-17 | 2007-01-03 | 北京航空航天大学 | Down-well pipe finder machinery frame |
| CN1948707A (en) * | 2006-11-20 | 2007-04-18 | 北京航空航天大学 | Strapdown type hole drilling inclinometer based on magnetic resistance and inclination sensor |
| US20120073804A1 (en) * | 2010-09-28 | 2012-03-29 | Baker Hughes Incorporated | System For Monitoring Linearity of Down-Hole Pumping Systems During Deployment and Related Methods |
| CN105178940A (en) * | 2015-10-21 | 2015-12-23 | 天津华云自控股份有限公司 | Hollow electric submersible pump tractometer |
| US20160047189A1 (en) * | 2013-04-15 | 2016-02-18 | Isle Tools Limited | Downhole apparatus |
| CN210195733U (en) * | 2019-07-08 | 2020-03-27 | 刘胜华 | Downhole parameter measuring tool for safe drilling |
-
2020
- 2020-08-25 CN CN202010866076.8A patent/CN112177596A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030148672A1 (en) * | 2002-02-06 | 2003-08-07 | Henry Kent D. | Multi-parameter monitoring tool assembly |
| CN1888387A (en) * | 2006-07-17 | 2007-01-03 | 北京航空航天大学 | Down-well pipe finder machinery frame |
| CN1948707A (en) * | 2006-11-20 | 2007-04-18 | 北京航空航天大学 | Strapdown type hole drilling inclinometer based on magnetic resistance and inclination sensor |
| US20120073804A1 (en) * | 2010-09-28 | 2012-03-29 | Baker Hughes Incorporated | System For Monitoring Linearity of Down-Hole Pumping Systems During Deployment and Related Methods |
| US20160047189A1 (en) * | 2013-04-15 | 2016-02-18 | Isle Tools Limited | Downhole apparatus |
| CN105178940A (en) * | 2015-10-21 | 2015-12-23 | 天津华云自控股份有限公司 | Hollow electric submersible pump tractometer |
| CN210195733U (en) * | 2019-07-08 | 2020-03-27 | 刘胜华 | Downhole parameter measuring tool for safe drilling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873077A (en) * | 2022-05-11 | 2022-08-09 | 中国海洋石油集团有限公司 | Pull formula antiskid area is suppressed function charge pump protector and operating mode appearance transportation cap |
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