CN214303808U - Multi-parameter testing nipple for rodless oil production pipe column - Google Patents
Multi-parameter testing nipple for rodless oil production pipe column Download PDFInfo
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- CN214303808U CN214303808U CN202022730353.0U CN202022730353U CN214303808U CN 214303808 U CN214303808 U CN 214303808U CN 202022730353 U CN202022730353 U CN 202022730353U CN 214303808 U CN214303808 U CN 214303808U
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Abstract
The utility model discloses a no pole oil production pipe is with multi-parameter test nipple joint belongs to no pole oil recovery technical field. The test sub comprises: the protection device comprises a protection cylinder and a base, wherein one end of the protection cylinder is connected with the submersible motor, and the other end of the protection cylinder is connected with the base; the base is provided with a plurality of fixed cavities, and the fluid pressure sensors, the fluid temperature sensors, the vibration sensors and the motor temperature sensors are correspondingly positioned in the fixed cavities one by one; the base is also provided with a plurality of pressure guide holes, and the hole cavities of the pressure guide holes are communicated with the fixed cavities in which the fluid pressure sensors and the fluid temperature sensors are arranged in a one-to-one correspondence manner. A plurality of sensors in the pit can be installed to this test nipple joint, realizes monitoring simultaneously fluid in the pit and the inside a plurality of parameters of tubular column.
Description
Technical Field
The utility model relates to a rodless oil recovery technical field, in particular to rodless oil production pipe is with multi-parameter test nipple joint.
Background
At present, the oil pumping unit is generally matched with a sucker rod pump for oil extraction production in domestic oil fields, but in an oil well with a larger well inclination angle, the sucker rod has serious eccentric wear phenomenon and is easy to break down. Therefore, technicians invent various rodless oil production technologies, such as a submersible screw pump rodless oil production technology, but the technologies cannot monitor the working condition of downhole equipment and cannot rapidly adjust production system parameters according to field conditions.
In the correlation technique, the temperature and pressure in the well can be obtained through the oily underground temperature and pressure measuring device, and the device includes mechanical unit, sensor unit, sealed unit and control unit, mechanical unit includes: the main casing body is equipped with the control unit and sensing unit in main casing body inside, and the front end of main casing body is connected with sealed unit through the hookup sleeve, and the rear end passes through circular blanking cover and bottom articulate, and sealed unit includes: through the insulating seal subassembly that sealing washer and seal shell body are connected, the main control board includes: a main control unit and a communication unit; the main control unit performs digital quantity conversion on the sensing signals output by the sensor unit, performs data processing on the digital quantity, calculates a detection value and transmits the detection value to the ground through the communication unit; the communication unit comprises a CAN communication interface module used for transmitting data with a ground remote distance.
However, the device is only suitable for measuring the temperature and the pressure in the well, and cannot measure parameters such as the temperature of a submersible motor, the vibration amplitude of a pipe column and the like.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a no pole oil production pipe is with multi-parameter test nipple joint can install a plurality of sensors in the pit, has realized monitoring fluid in the pit and the inside a plurality of parameters of tubular column simultaneously.
Specifically, the method comprises the following technical scheme:
the embodiment of the utility model provides a no pole oil production pipe is with multi-parameter test nipple joint, the test nipple joint includes: a protective cylinder and a base, wherein,
one end of the protection cylinder is connected with the submersible motor, and the other end of the protection cylinder is connected with the base;
the base is provided with a plurality of fixed cavities, and the fluid pressure sensors, the fluid temperature sensors, the vibration sensors and the motor temperature sensors are correspondingly positioned in the fixed cavities one by one;
the base is also provided with a plurality of pressure guide holes, and the hole cavities of the pressure guide holes are communicated with the fixed cavities in which the fluid pressure sensors and the fluid temperature sensors are arranged in a one-to-one correspondence manner.
In one possible implementation, the plurality of fixation cavities includes a first fixation cavity and a second fixation cavity,
the fluid pressure sensor, the fluid temperature sensor and the vibration sensor are located in the first fixing cavity, and the motor temperature sensor is located in the second fixing cavity.
In one possible implementation, the test sub further includes: the cap is pressed on the upper surface of the bottle body,
the first fixing cavity is a closed cavity formed by sealing the mounting hole on the base by the pressing cap.
In one possible implementation, the press cap comprises a first cylinder and a second cylinder connected together,
the cross section area of the first cylinder is larger than that of the second cylinder, and the diameter of the circle where the cross section of the first cylinder is located is larger than the aperture of the mounting hole.
In a possible implementation manner, the test nipple further comprises a rubber ring, a mounting groove is formed in the outer wall of the second cylinder, and the rubber ring is located in the mounting groove and contacts with the inner wall of the mounting hole.
In a possible implementation, the second fixing cavity is an open cavity formed by a mounting hole on the base.
In a possible implementation manner, the mounting hole is a blind hole, and the aperture of the mounting hole ranges from 10mm to 30 mm.
In a possible implementation manner, the base is further provided with a plurality of threading holes, a sealing column is arranged at an orifice of each threading hole, and the hole cavities of the threading holes are communicated with the fixed cavities in a one-to-one correspondence manner.
In a possible realization mode, an included angle between the axis of the threading hole and the symmetrical axis of the protective cylinder is 25-40 degrees.
In one possible implementation, the test sub further includes: and the base is provided with a sealing groove, and the sealing ring is positioned in the sealing groove and is in contact with the inner wall of the protection cylinder.
The embodiment of the utility model provides a technical scheme's beneficial effect includes at least:
when the multi-parameter test nipple for the rodless oil production pipe column provided by the embodiment of the utility model is used, the test nipple connected with the submersible motor can be put into a shaft, and the base is also provided with a pressure guide hole communicated with a fixed cavity internally provided with a fluid pressure sensor and a fluid temperature sensor, so that fluid in a well can enter the fixed cavity internally provided with the fluid pressure sensor and the fluid temperature sensor through the pressure guide hole, and the measurement of the fluid pressure and the temperature is realized; because the fixed cavity on the base is also provided with a vibration sensor and a motor temperature sensor, the vibration of the pipe column and the temperature of the motor can be measured. Therefore, a plurality of underground sensors can be installed on the test nipple, a plurality of parameters of underground fluid and the inside of a pipe column can be monitored simultaneously, and the test nipple is simple in structure and convenient to manufacture and use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a multiparameter test nipple for a rodless oil production string provided by an embodiment of the utility model;
fig. 2 is the embodiment of the utility model provides a base's of multi-parameter test nipple joint for rodless oil production pipe column structural schematic diagram.
The reference numerals in the drawings denote:
1-a protective cylinder, wherein the protective cylinder is arranged in the protective cylinder,
2-base, 21-fixed cavity, 211-first fixed cavity, 212-second fixed cavity, 22-pressure guide hole, 23-mounting hole, 24-threading hole, 25-sealing groove,
3-pressing cap, 31-first cylinder, 32-second cylinder, 321-mounting groove,
4-a rubber ring is arranged on the upper surface of the rubber ring,
5-sealing the column, wherein the column is sealed,
6-sealing ring.
With the above figures, certain embodiments of the present invention have been shown and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, all technical terms used in the embodiments of the present invention have the same meaning as commonly understood by one of ordinary skill in the art. In order to make the technical solutions and advantages of the present invention clearer, the following will describe the embodiments of the present invention in further detail with reference to the accompanying drawings.
Among the correlation technique, latent oily temperature measurement pressure measurement device in pit only is suitable for the survey of temperature in the pit and pressure and gets, can't survey to pouring into latent oily motor temperature, tubular column vibration amplitude isoparametric and get, in order to solve the problem that exists among the correlation technique, the embodiment of the utility model provides a no pole oil production pipe is with multi-parameter test nipple joint, its schematic structure is shown in figure 1.
Referring to fig. 1, the multiparameter test nipple for the rodless production string comprises: a protective cylinder 1 and a base 2.
Wherein, one end of the protective cylinder 1 is connected with a submersible motor (not shown in the figure), and the other end is connected with the base 2.
Referring to fig. 2, the base 2 has a plurality of fixing cavities 21, and the fluid pressure sensor, the fluid temperature sensor, the vibration sensor and the motor temperature sensor (not shown in the figure) are located in the fixing cavities 21 in a one-to-one correspondence manner, and the fixing of each sensor is realized by using the fixing cavities 21.
With continued reference to fig. 2, the base 2 further has a plurality of pressure guide holes 22, and the bores of the pressure guide holes 22 are in one-to-one correspondence with the fixed cavities 21 with the fluid pressure sensors and the fluid temperature sensors built therein, so that the well fluid can enter the fixed cavities 21 with the fluid pressure sensors and the fluid temperature sensors built therein through the pressure guide holes 22. It will be appreciated that the pressure-conducting holes 22 are open at the side of the base 2 to facilitate the inflow of well fluid.
It should be noted that the downhole sensors located in the fixed chamber 21 may include a fluid pressure sensor, a fluid temperature sensor, a vibration sensor, and a motor temperature sensor, but are not limited to the above sensor types.
The embodiment of the utility model provides a working principle of multi-parameter test nipple joint for rodless oil production pipe column does:
when the testing nipple is used, the testing nipple is connected with a submersible motor to be lowered into a shaft, and the base 2 is also provided with a pressure guide hole 22 communicated with a fixed cavity 21 internally provided with a fluid pressure sensor and a fluid temperature sensor, so that fluid in a well can enter the fixed cavity 21 internally provided with the fluid pressure sensor and the fluid temperature sensor through the pressure guide hole 22, and the measurement of the fluid pressure and the fluid temperature is realized; because the fixed cavity 21 on the base 2 is also provided with a vibration sensor and a motor temperature sensor, the vibration of the pipe column and the temperature of the motor can be measured.
Therefore, the embodiment of the utility model provides a rodless oil production pipe column can install a plurality of sensors in the pit, has realized monitoring fluid in the pit and the inside a plurality of parameters of tubular column simultaneously, and this test nipple joint simple structure, is convenient for make and use.
In one possible design, the length of the protection cylinder 1 ranges from 500mm to 800 mm; the outer diameter of the protection cylinder 1 ranges from 100mm to 110mm, and the thickness of the cylinder wall of the protection cylinder 1 ranges from 3mm to 10 mm.
In one possible design, the inner cylinder wall at one end of the protection cylinder 1 connected with the submersible motor is provided with internal threads which are suitable for being matched and connected with the external threads of the submersible motor.
In one possible design, the inner wall of the protection cartridge 1 at the end connected to the base 2 is also provided with an internal thread adapted to cooperate with an external thread on the base 2.
In one possible design, the test sub further includes: and the sealing ring 6 is provided with a sealing groove 25 on the base 2, and the sealing ring 6 is positioned in the sealing groove 25, is in contact with the inner wall of the protection cylinder 1 and is used for underground high-pressure sealing.
Note that, in order to ensure sealing, the groove wall of the seal groove 25 is sufficiently smooth.
In a possible design, the length of the base 2 ranges from 200mm to 500mm, and the number of the fixing cavities 21 can be 6 to 8.
In one possible design, referring to fig. 2, the plurality of fixed cavities 21 includes a first fixed cavity 211 and a second fixed cavity 212.
Wherein a fluid pressure sensor, a fluid temperature sensor and a vibration sensor are located in the first fixed chamber 211, and a motor temperature sensor is located in the second fixed chamber 212.
Here, the second fixed cavity 212 and the first fixed cavity 211 are two different cavities so as not to affect the measurement of the motor temperature.
In one possible design, the test sub further includes: the pressure cap 3, the first fixed cavity 211 are the airtight cavity formed by the mounting hole 23 sealed on the base 2 by the pressure cap 3, and various sensors are located in the mounting hole 23.
Optionally, the mounting hole 23 is a blind hole, the aperture of the mounting hole 23 ranges from 10mm to 30mm, and the thickness of the base 2 below the mounting hole 23 ranges from 30mm to 50 mm.
In one possible design, as shown in fig. 2, the press cap 3 comprises a first cylinder 31 and a second cylinder 32 connected.
Wherein, the cross-sectional area of the first cylinder 31 is larger than that of the second cylinder 32, and the diameter of the circle of the cross-section of the first cylinder 31 is larger than the diameter of the mounting hole 23.
In a possible design, the length of the pressing cap 3 ranges from 30mm to 50mm, the diameter of the circle of the cross section of the first cylinder 31 is 5mm to 10mm larger than the diameter of the hole 23, and the side peripheral surface is provided with knurling process patterns.
In one possible design, the outer wall of the second cylinder 32 has an external thread adapted to mate with an internal thread on the inner wall of the mounting hole 23.
In one possible design, the test sub further includes: the rubber ring 4, the outer wall of the second cylinder 32 has a mounting groove 321, the rubber ring 4 is located in the mounting groove 321 and contacts with the inner wall of the mounting hole 23 to form a sealing structure.
Alternatively, the rubber ring 4 may be an "O" type rubber ring.
In a possible design, the second fixing cavity 212 is an open cavity formed by the mounting hole 23 on the base 2, and since the second fixing cavity 212 is open, the temperature of the submersible motor can be conveniently measured by the motor temperature sensor, and the measurement of the temperature is prevented from being influenced by the existence of the cavity wall between the motor and the submersible motor.
In a possible design, the base 2 is further provided with a plurality of threading holes 24, the opening of each threading hole 24 is provided with a sealing column 5, and the hole cavities of the threading holes 24 are communicated with the fixing cavities 21 in a one-to-one correspondence manner to provide communication channels for signal lines.
In one possible design, the diameter of the threading aperture 24 may range from 1mm to 1.5 mm.
In one possible design, the included angle between the axis of the threading hole 24 and the symmetry axis of the protective cylinder 1 is 25-40 degrees.
In one possible design, the inner wall of the threading bore 24 near the end of the submersible motor has internal threads adapted to mate with external threads on the outer wall of the seal post 5.
In a possible design, the number of the pressure guide holes 22 is 2-3, and the value range of the aperture of the pressure guide holes 22 is 1 mm-1.5 mm.
In one possible design, the number of the vibration sensors can be multiple, and the vibration quantity of the pipe column deviating from different directions can be measured.
In a possible example, through will the embodiment of the utility model provides a rodless oil production pipe is connected to on the oily motor of diving with multi-parameter test nipple joint to along with the oily motor of diving together in going into the pit shaft, utilize sensors such as fluid pressure sensor, fluid temperature sensor, vibration sensor and motor temperature sensor to carry out simultaneous monitoring to each parameter of fluid in the pit and the tubular column inside.
In the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (10)
1. The utility model provides a no pole oil production pipe is with multi-parameter test nipple joint which characterized in that, the test nipple joint includes: a protective cylinder (1) and a base (2), wherein,
one end of the protection cylinder (1) is connected with the submersible motor, and the other end of the protection cylinder is connected with the base (2);
the base (2) is provided with a plurality of fixed cavities (21), and the fluid pressure sensor, the fluid temperature sensor, the vibration sensor and the motor temperature sensor are positioned in the fixed cavities (21) in a one-to-one correspondence manner;
the base (2) is also provided with a plurality of pressure guide holes (22), and the hole cavities of the pressure guide holes (22) are communicated with the fixed cavities (21) in which the fluid pressure sensors and the fluid temperature sensors are arranged in a one-to-one correspondence manner.
2. The multiparameter test sub for a rodless production string according to claim 1, wherein the plurality of fixed cavities (21) include a first fixed cavity (211) and a second fixed cavity (212),
the fluid pressure sensor, the fluid temperature sensor and the vibration sensor are located in the first fixed chamber (211), and the motor temperature sensor is located in the second fixed chamber (212).
3. The multiparameter test sub for a rodless production string according to claim 2, further comprising: a pressing cap (3) is arranged on the upper portion of the base,
the first fixing cavity (211) is a closed cavity formed by sealing the mounting hole (23) on the base (2) by the pressure cap (3).
4. The multiparameter test sub for a rodless production string according to claim 3, wherein the pressure cap (3) comprises a first cylinder (31) and a second cylinder (32) connected together,
the cross-sectional area of the first cylinder (31) is larger than that of the second cylinder (32), and the diameter of the circle of the cross section of the first cylinder (31) is larger than that of the mounting hole (23).
5. The multiparameter test sub for a rodless production string according to claim 4, further comprising: the rubber ring (4), the outer wall of second cylinder (32) has mounting groove (321), rubber ring (4) are located mounting groove (321), and with the inner wall contact of mounting hole (23).
6. The multiparameter test sub for a rodless production string according to claim 3, wherein the second fixed cavity (212) is an open cavity formed by a mounting hole (23) in the base (2).
7. The multiparameter test sub for the rodless production string according to any one of claims 3 to 6, wherein the mounting hole (23) is a blind hole, and the aperture of the mounting hole (23) ranges from 10mm to 30 mm.
8. The multiparameter test sub for the rodless production string according to claim 1, wherein the base (2) is further provided with a plurality of threading holes (24), the orifice of each threading hole (24) is provided with a sealing column (5), and the cavities of the threading holes (24) are in one-to-one correspondence communication with the fixed cavities (21).
9. The multiparameter test nipple for a rodless production string according to claim 8, wherein an included angle between the axis of the threading hole (24) and the symmetry axis of the protective casing (1) is 25-40 °.
10. The multiparameter test sub for a rodless production string according to claim 1, further comprising: the sealing ring (6), seal groove (25) have on base (2), sealing ring (6) are located in seal groove (25), and with the inner wall contact of a protection section of thick bamboo (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022730353.0U CN214303808U (en) | 2020-11-23 | 2020-11-23 | Multi-parameter testing nipple for rodless oil production pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022730353.0U CN214303808U (en) | 2020-11-23 | 2020-11-23 | Multi-parameter testing nipple for rodless oil production pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214303808U true CN214303808U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022730353.0U Active CN214303808U (en) | 2020-11-23 | 2020-11-23 | Multi-parameter testing nipple for rodless oil production pipe column |
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| Country | Link |
|---|---|
| CN (1) | CN214303808U (en) |
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- 2020-11-23 CN CN202022730353.0U patent/CN214303808U/en active Active
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