CN211115880U - Send and seal instrument - Google Patents
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- CN211115880U CN211115880U CN201921765871.7U CN201921765871U CN211115880U CN 211115880 U CN211115880 U CN 211115880U CN 201921765871 U CN201921765871 U CN 201921765871U CN 211115880 U CN211115880 U CN 211115880U
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Abstract
The utility model discloses a send instrument of sealing relates to oil gas well oil testing field, include: a tool body; the tool main body is internally provided with a cavity, and the cavity is internally provided with a pressure control mechanism; the lower end of the tool main body is connected with a sealing tool; the pressure control mechanism is used for controlling the pressure in the closed tool; the problems that an existing seal delivery tool is low in efficiency, poor in safety and capable of achieving midway seal are solved.
Description
Technical Field
The utility model relates to an oil gas well oil test field, a send instrument of sealing specifically says so.
Background
The existing sealing tool is in a bridge plug structure, and the general principle is that the tool is sealed and released by utilizing the pressure of the initiating explosive device at the moment of deflagration. However, the construction mode has certain inadaptability, firstly, according to relevant laws in China, the transportation and storage of initiating explosive devices are managed independently, and the problems of low efficiency and poor safety exist; secondly, during the process of putting the bridge plug in the well, if the putting speed is high, the bridge plug can be seated in the midway.
Disclosure of Invention
In view of this, the utility model provides a send and seal instrument to solve current send and seal instrument and have the problem of inefficiency, security poor and midway seat seal.
The utility model provides a send and seal instrument, include:
a tool body;
the tool main body is internally provided with a cavity, and the cavity is internally provided with a pressure control mechanism;
the lower end of the tool main body is connected with a sealing tool;
the pressure control mechanism is used for controlling the pressure in the closed tool.
Preferably, the pressure control mechanism includes: a driving mechanism and a pressing mechanism;
the driving mechanism is connected with the pressing mechanism;
the driving mechanism is used for driving the pressing mechanism to press the sealing tool and maintain the pressure in the cavity.
Preferably, the drive mechanism comprises: an electric drive mechanism and a mechanical drive mechanism;
the electric driving mechanism is connected with the pressing mechanism and is used for driving the pressing mechanism to press the sealing tool;
the mechanical drive mechanism is used for maintaining the pressure in the cavity.
Preferably, the electric drive mechanism includes: a motor;
the mechanism of suppressing includes: a pressurizing pump;
the output end of the motor is connected with the pressurizing pump, and the motor is used for driving the pressurizing pump to pressurize the inside of the closed tool.
Preferably, the output end of the motor is connected with the pressurizing pump through a speed reducer.
Preferably, the mechanical drive mechanism comprises: a fluid chamber and a floating piston;
the fluid chamber is arranged on the inner side of the cavity, the floating piston is arranged on one side of the fluid chamber, and the other side of the fluid chamber is connected with the closing tool;
the pressurizing mechanism is used for driving the fluid in the fluid chamber to pressurize the closed tool;
the floating piston is used for maintaining the fluid pressure in the fluid chamber.
Preferably, the fluid chamber is an oil chamber; and/or
The fluid is hydraulic oil or insulating hydraulic oil.
Preferably, the upper end of the tool main body is connected with a magnetic positioning instrument through an upper connector; and/or
The lower extreme of instrument main part pass through the lower clutch with it connects to seal the instrument, the lower clutch has the lower clutch runner, the inner chamber that seals the instrument passes through the lower clutch runner with pressure control mechanism connects.
Preferably, a setting line is arranged between the lower joint and the pressure control mechanism;
the inner cavity of the sealing tool is connected with the pressure control mechanism through the lower connector flow channel and the setting pipeline.
Preferably, a pressure sensor is also arranged in the cavity; and/or
The measuring end of the pressure sensor is communicated with the inner cavity of the closed tool;
the pressure sensor is used for measuring the pressure in the inner cavity and/or the cavity.
The utility model discloses following beneficial effect has at least:
the utility model provides a send and seal instrument to solve current send and seal instrument and have the problem of inefficiency, security poor and midway seat seal.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic half-section view of a seal feeding tool according to an embodiment of the present invention.
In fig. 1, a butt joint 1, an anode cell 2, a floating piston 3, an oil chamber 4, a cathode cell 5, a motor 6, a speed reducer 7, a coupler 8, a pressurizing pump 9, a seat seal pipeline 10, a pressure sensor 11, a lower joint 12, an oil injection channel 13 and a lower joint runner 14.
Detailed Description
The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. However, for parts not described in detail, those skilled in the art can fully understand the present invention.
Furthermore, those skilled in the art will appreciate that the drawings are provided for purposes of illustrating the objects, features, and advantages of the invention and are not necessarily drawn to scale.
Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".
Fig. 1 is a schematic half-section view of a seal feeding tool according to an embodiment of the present invention. As shown in fig. 1, a pressure control mechanism and a seal delivery tool includes: a tool body; the tool main body is internally provided with a cavity, and the cavity is internally provided with a pressure control mechanism; the lower end of the tool main body is connected with a sealing tool; and the pressure control mechanism is used for controlling the pressure in the closed tool. The problems that an existing seal delivery tool is low in efficiency, poor in safety and capable of achieving midway seal are solved.
In fig. 1, a pressure control mechanism includes: a driving mechanism and a pressing mechanism; the driving mechanism is connected with the pressing mechanism; the driving mechanism is used for driving the pressing mechanism to press the sealing tool and maintain the pressure in the cavity.
In fig. 1, a drive mechanism includes: an electric drive mechanism and a mechanical drive mechanism;
the electric driving mechanism is connected with the pressing mechanism and is used for driving the pressing mechanism to press the sealing tool; and the mechanical driving mechanism is used for maintaining the pressure in the cavity.
In fig. 1, an electric drive mechanism includes: a motor 6; a pressing mechanism comprising: a pressurizing pump 9; the output end of the motor 6 is connected with the pressurizing pump 9, and the motor 6 is used for driving the pressurizing pump 9 to pressurize the closed tool.
In fig. 1, the output of the electric motor 6 is connected to a pressurizing pump 9 via a reduction gear 7. Specifically, the output end of the reducer 7 is connected with a pressurizing pump 9 through a coupling 8.
In fig. 1, a mechanical drive mechanism includes: a fluid chamber and a floating piston 3; the fluid chamber is arranged on the inner side of the cavity, one side of the fluid chamber is provided with a floating piston 3, and the other side of the fluid chamber is connected with a sealing tool; the pressurizing mechanism is used for driving the fluid in the fluid chamber to pressurize the closed tool; a floating piston 3 for maintaining a fluid pressure in the fluid chamber.
In fig. 1, the fluid chamber is an oil chamber 4; and/or the fluid is hydraulic oil or insulating hydraulic oil.
In fig. 1, the upper end of the tool main body is connected with a magnetic positioning instrument through an upper connector 1; and/or the lower end of the tool body is connected with the sealing tool through a lower connector 12, the lower connector 12 is provided with a lower connector flow passage 14, and the inner cavity of the sealing tool is connected with the pressure control mechanism through the lower connector flow passage 14.
In fig. 1, there is a seat seal line 10 between the lower fitting 12 and the pressure control mechanism;
the inner cavity of the sealing tool is connected to the pressure control mechanism via the lower joint flow channel 14 and the setting line 10.
In fig. 1, a pressure sensor 11 is also provided in the cavity; and/or the measuring end of the pressure sensor 11 is communicated with the inner cavity of the closed tool; a pressure sensor 11 for measuring the pressure in the lumen and/or the cavity.
In the embodiment shown in fig. 1, after going down the well, open oiling passageway 13, pour into insulating hydraulic oil into to the cavity or fluid chamber or the grease chamber 4 of instrument main part with the manual pump, insulating hydraulic oil will be full of the vacant inner chamber of the cavity of whole instrument main part, when hydraulic oil is full of, floating piston 3 will go up to grease chamber 4's the top under injection pressure, hydraulic oil soaks the parts beyond seating pipeline 10 simultaneously, hydraulic oil plays protection motor 6 and reduction gear 7 radiating while as working medium and provides the biography power medium for other external tools.
With reference to fig. 1, the working principle and connection relationship of the present invention are briefly explained: the magnetic locator of the test vehicle is butted with the joint 1 of the utility model, and the lower joint 12 is butted with other tools (closed tools); the ground transmits voltage through a cable, the voltage supplies power to a motor 6 through an anode electric core 2, the motor 6 rotates at a high speed, an output end of the motor 6 is connected with a reducer 7, the output voltage is transmitted to a pumping pump 9 after being reduced in speed and increased in force through the reducer 7, hydraulic oil is fully soaked around a suction inlet of the pumping pump 9, the hydraulic oil which is rotationally sucked by the pumping pump 9 is pumped out through a seat seal pipeline 10 after being increased in pressure through the pump, the hydraulic oil is pumped into a seat seal cavity (an inner cavity of a closed tool) of the connected tool through a liquid passing channel (a lower connector flow channel 14) on a lower connector 12, the hydraulic oil in the cavity of the tool body is reduced along with the pumping of the hydraulic oil, a floating piston 3 descends under the action of external well liquid pressure or external annular pressure to push the periphery of the pumping pump 9 to constantly supplement the hydraulic oil to the periphery of the pumping pump 9, a pressure sensor 11 is in threaded, the pressure change condition in a seat sealing cavity (an inner cavity of a closed tool) can be monitored and recorded in real time, the zero line end of the motor 6 is connected with the shell of the tool main body, and the current is transmitted to the ground through the sheath of the cable to establish a circuit circulation channel.
The utility model discloses to present gas well beat the bridge plug and need push down the well after construction again, cause the construction degree of difficulty big, the period of construction is long, well control risk is high, stratum pollutes heavy scheduling problem. Through attacking the pass, form one set of cable area and press hydraulic pressure seat seal bridge plug technique of delivering, can realize seat seal, giving up, salvage, bore and grind complete set technique, realized the purpose of safe, environmental protection, high-efficient construction, avoid excessive kill-job to cause the pollution for the reservoir stratum, really realized the purpose of safe, environmental protection, high-efficient construction, produce for oil field gas well and provide technical guarantee.
In a word, the utility model provides a novel send and seal instrument provides the required pressure of bridge plug seat seal through the cable power supply. The principle is as follows: the oil chamber 4 is filled with hydraulic oil, the motor 6 rotates to drive the speed reducer 7 and then drive the helical blade of the pressurizing pump 9 to push the hydraulic oil downwards through the motor 6 and the pressurizing pump 9, and the hydraulic oil is extruded out from the lower joint flow channel 14 of the lower joint 12.
The above-mentioned embodiments are merely embodiments for expressing the invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions, modifications, etc. can be made without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A running tool, comprising:
a tool body;
the tool main body is internally provided with a cavity, and the cavity is internally provided with a pressure control mechanism;
the lower end of the tool main body is connected with a sealing tool;
the pressure control mechanism is used for controlling the pressure in the closed tool.
2. The running tool of claim 1, wherein:
the pressure control mechanism includes: a driving mechanism and a pressing mechanism;
the driving mechanism is connected with the pressing mechanism;
the driving mechanism is used for driving the pressing mechanism to press the sealing tool and maintain the pressure in the cavity.
3. The running tool of claim 2, wherein:
the drive mechanism includes: an electric drive mechanism and a mechanical drive mechanism;
the electric driving mechanism is connected with the pressing mechanism and is used for driving the pressing mechanism to press the sealing tool;
the mechanical drive mechanism is used for maintaining the pressure in the cavity.
4. The running tool of claim 3, wherein:
the electric drive mechanism includes: a motor (6);
the mechanism of suppressing includes: a pressurizing pump (9);
the output end of the motor (6) is connected with the pressurizing pump (9), and the motor (6) is used for driving the pressurizing pump (9) to pressurize the closed tool.
5. The running tool of claim 4, wherein:
the output end of the motor (6) is connected with the pressurizing pump (9) through a speed reducer (7).
6. The running tool of any one of claims 3-5, wherein:
the mechanical drive mechanism includes: a fluid chamber and a floating piston (3);
the fluid chamber is arranged on the inner side of the cavity, one side of the fluid chamber is the floating piston (3), and the other side of the fluid chamber is connected with the closing tool;
the pressurizing mechanism is used for driving the fluid in the fluid chamber to pressurize the closed tool;
the floating piston (3) is used for maintaining the fluid pressure in the fluid chamber.
7. The running tool of claim 6, wherein:
the fluid chamber is an oil chamber (4); and/or
The fluid is hydraulic oil or insulating hydraulic oil.
8. A running tool according to any of claims 1-5, 7, wherein:
the upper end of the tool main body is connected with a magnetic locator through an upper connector (1); and/or
The lower extreme of instrument main part pass through lower clutch (12) with it connects to seal the instrument, lower clutch (12) have lower clutch runner (14), the inner chamber that seals the instrument passes through lower clutch runner (14) with pressure control mechanism connects.
9. The running tool of claim 8, wherein:
a setting pipeline (10) is arranged between the lower joint (12) and the pressure control mechanism;
the inner cavity of the sealing tool is connected with the pressure control mechanism through the lower connector flow channel (14) and the setting pipeline (10).
10. A running tool according to any of claims 1-5, 7, 9, wherein:
a pressure sensor (11) is also arranged in the cavity; and/or
The measuring end of the pressure sensor (11) is communicated with the inner cavity of the closed tool;
the pressure sensor (11) is used for measuring the pressure in the inner cavity and/or the cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921765871.7U CN211115880U (en) | 2019-10-21 | 2019-10-21 | Send and seal instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921765871.7U CN211115880U (en) | 2019-10-21 | 2019-10-21 | Send and seal instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211115880U true CN211115880U (en) | 2020-07-28 |
Family
ID=71690397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921765871.7U Active CN211115880U (en) | 2019-10-21 | 2019-10-21 | Send and seal instrument |
Country Status (1)
Country | Link |
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CN (1) | CN211115880U (en) |
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2019
- 2019-10-21 CN CN201921765871.7U patent/CN211115880U/en active Active
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Effective date of registration: 20211224 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 233 South Central Avenue Patentee after: Daqing Oilfield Co.,Ltd. Patentee after: PetroChina Co Ltd Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 233 South Central Avenue Patentee before: Daqing Oilfield Co.,Ltd. |