CN211115971U - Well temperature water-containing combined sensor - Google Patents
Well temperature water-containing combined sensor Download PDFInfo
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- CN211115971U CN211115971U CN201921509168.XU CN201921509168U CN211115971U CN 211115971 U CN211115971 U CN 211115971U CN 201921509168 U CN201921509168 U CN 201921509168U CN 211115971 U CN211115971 U CN 211115971U
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Abstract
The utility model provides a well temperature contains water combination sensor, includes well temperature sensor mount pad, and well temperature sensor mount pad is terminal to link to each other with moisture sensor A electrode one end, and moisture sensor A electrode other end links to each other with joint one end, and it is fixed to connect the other end and be connected with the instrument, and platinum resistance is installed to well temperature sensor mount pad front end. The utility model discloses guarantee the measurement accuracy in the oil production process, shortened the length of logging instrument to the effectual logging construction degree of difficulty that has reduced the logging operation cost, has reduced the instrument fault rate, the effectual logging efficiency that has promoted.
Description
Technical Field
The utility model relates to an oil logging technical field, in particular to well temperature moisture combination sensor.
Background
In petroleum logging operations, well temperature and water logging instruments are often used to master the production dynamics of an oil well.
The most important component in the logging instrument for measuring the well temperature and the water content is a sensor for measuring the well temperature and the water content, and the working state of the sensor directly influences the measurement precision of logging parameters and the consistency of measurement results. However, the existing well temperature water-containing sensor is unreasonable in structural design, long in instrument length, high in well logging construction difficulty and high in field operation cost.
Disclosure of Invention
In order to solve the technical problem, an object of the utility model is to provide a well temperature moisture composite sensor has guaranteed the measurement accuracy among the oil production process, has shortened the length of logging instrument to the effectual logging construction degree of difficulty that has reduced the logging operation cost, has reduced the instrument fault rate, the effectual logging efficiency that has promoted.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a well temperature contains water combination sensor, includes well temperature sensor mount pad 2, 2 terminal and the 8 one ends of sensor A electrode that contain water of well temperature sensor mount pad link to each other, the 8 other ends of sensor A electrode that contain water link to each other with joint 12 one end, the joint 12 other end is connected fixedly with the instrument, 2 front ends of well temperature sensor mount pad install platinum resistance 1.
The well temperature sensor mounting seat 2 is fixedly connected with the water-containing sensor insulating layer 9 through threads, and two O-shaped sealing rings I7 are used for bearing and sealing.
The insulating layer 9 of the water-containing sensor is fixedly connected with the joint 12 through threads, and two O-shaped sealing rings 11 are used for bearing and sealing.
The joint 12 is fixedly connected with an instrument through threads, and is sealed in a pressure-bearing mode through the O-shaped sealing ring III 13.
The diameter of the position of the well temperature sensor mounting seat 2 where the platinum resistor 1 is mounted is reduced.
And a water-containing sensor insulating layer 9 is arranged outside the electrode 8 of the water-containing sensor A.
The electrode A8 of the water-containing sensor adopts red copper as the electrode A, the insulating layer 9 of the water-containing sensor is made of PEK material, and the joint 12 adopts 17-4 stainless steel.
A fixed high-temperature lead is arranged at the contact position of the well temperature sensor mounting seat 2 and the water-containing sensor A electrode 8, and the fixed high-temperature lead comprises a screw 3, an elastic gasket 4, a flat gasket 5 and a welding wire sheet 6.
An insulating gasket 10 is arranged at the contact position of the electrode 8 of the water-containing sensor A and the joint 12.
The utility model has the advantages that:
traditional well temperature sensor and moisture sensor are two sensors of separating, correspond two logging instrument, two sets of measuring circuit, and this patent relates to the sensor through reasonable structural design, is a sensor with two sensor designs, corresponds a logging instrument, and one set of measuring circuit, total instrument length shortens, and special structural design has guaranteed the sensor pressure-bearing effect, and special structural design has guaranteed stable equivalent capacitance simultaneously, improves sensor stability.
The electrode A8 of the water-containing sensor adopts red copper as the electrode A, the insulating layer 9 of the water-containing sensor adopts PEK material to process and is tightly matched with the electrode A8 of the water-containing sensor, the pressure of the sensor is transmitted to the electrode A8 of the water-containing sensor, the electrode A8 of the water-containing sensor plays a main pressure bearing role, so that the pressure bearing effect is improved, the sensor is connected to an instrument through a connector 12, and the connector 12 adopts 17-4 stainless steel design, so that the connection strength is improved, and the pressure bearing effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 shows a conventional well temperature sensor.
Fig. 3 shows a conventional moisture sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a diagram of a novel well temperature water-containing combination sensor. The sensor mainly comprises a platinum resistor 1, a well temperature sensor mounting seat 2, a screw 3, an elastic gasket 4, a flat gasket 5, a welding wire sheet 6, a first sealing ring 7, a water-containing sensor A electrode 8, a water-containing sensor insulating layer 9, an insulating gasket 10, a second sealing ring 11, a joint 12 and a third sealing ring 13.
The well temperature sensor mounting seat 2 is fixedly connected with the water-containing sensor insulating layer 9 through threads, and two O-shaped sealing rings I7 are used for bearing and sealing.
The insulating layer 9 of the water-containing sensor and the joint 12 are fixedly connected through threads, and two O-shaped sealing rings 11 are used for bearing and sealing.
The joint 12 is fixedly connected with an instrument through threads, and two O-shaped sealing rings 13 are adopted for bearing and sealing.
The screw 3, the elastic washer 4, the flat washer 5 and the welding wire sheet 6 are used for fixing a high-temperature wire, and the structure is convenient to mount and dismount.
The novel well temperature water-containing combined sensor can bear 100MPa of pressure and resist 175 ℃ of high temperature.
The utility model discloses the theory of operation:
the platinum resistor 1 is installed in the well temperature sensor installation seat 2, because the resistance value of the platinum resistor 1 changes linearly along with the temperature change, the resistance value of the platinum resistor is measured by the measuring circuit, the temperature of the petroleum shaft is obtained through calculation, the unique structural design of the well temperature sensor installation seat 2 enables the diameter of the position where the platinum resistor 1 is installed to be reduced, the temperature conduction efficiency is improved, and the temperature measurement precision is improved.
The electrode 8 of the water-containing sensor A is insulated from the well fluid of the petroleum shaft through an insulating layer 9 of the water-containing sensor, a capacitor is equivalently formed between the electrode 8 of the water-containing sensor A and the well fluid of the petroleum shaft, the oil-water ratio of the well fluid of the petroleum shaft changes and is reflected as an equivalent capacitance value, a measuring circuit measures the capacitance value, and the oil-water ratio of the petroleum shaft, namely the water content, is obtained through calculation.
Fig. 2 shows a conventional well temperature sensor, which is mainly composed of a platinum resistor 14, a well temperature sensor mounting seat 15, and a sealing ring 16, wherein the well temperature sensor mounting seat is fixedly connected with a well temperature joint of an instrument through threads, and two O-shaped sealing rings are used for bearing and sealing.
FIG. 3 shows a conventional moisture sensor, which mainly comprises a moisture sensor insulating layer 17, a high-temperature conducting wire 18, a sensor terminal 19 and a moisture sensor 20, wherein the moisture sensor assembly needs to be connected and fixed with an instrument through related connectors.
Claims (9)
1. The utility model provides a well temperature moisture combination sensor, its characterized in that includes well temperature sensor mount pad (2), well temperature sensor mount pad (2) terminal link to each other with moisture sensor A electrode (8) one end, moisture sensor A electrode (8) other end link to each other with joint (12) one end, the joint (12) other end is connected fixedly with the instrument, well temperature sensor mount pad (2) front end install platinum resistance (1).
2. A well temperature and water containing combined sensor according to claim 1, characterized in that the well temperature sensor mounting seat (2) and the water containing sensor insulating layer (9) are fixed by screw thread connection, and two O-ring seals (7) are used for pressure-bearing sealing.
3. A well temperature and water containing combined sensor according to claim 2, characterized in that the water containing sensor insulating layer (9) is fixed with the joint (12) through threaded connection, and two O-ring seals (11) are used for pressure-bearing sealing.
4. A well temperature and water containing combined sensor according to claim 1, characterized in that the joint (12) is fixedly connected with an instrument through threads, and is sealed in a pressure-bearing manner by using a third O-ring (13).
5. A well temperature and water containing combined sensor according to claim 1, characterized in that the diameter of the position of the well temperature sensor mounting seat (2) for mounting the platinum resistor (1) is reduced.
6. A well temperature and water containing combined sensor according to claim 1, characterized in that a water containing sensor insulating layer (9) is arranged outside the water containing sensor a electrode (8).
7. A well temperature and water containing combined sensor according to claim 1, characterized in that the water containing sensor a electrode (8) adopts red copper as a electrode, the water containing sensor insulating layer (9) is made of PEK material, and the joint (12) adopts 17-4 stainless steel.
8. A well temperature and water containing combined sensor according to claim 1, characterized in that a fixed high temperature lead is arranged at the contact position of the well temperature sensor mounting seat (2) and the water containing sensor A electrode (8), and the fixed high temperature lead comprises a screw (3), an elastic washer (4), a flat washer (5) and a bonding wire sheet (6).
9. A well temperature and water combination sensor according to claim 1, characterized in that an insulating gasket (10) is arranged at the contact part of the electrode (8) of the water sensor A and the joint (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509168.XU CN211115971U (en) | 2019-09-11 | 2019-09-11 | Well temperature water-containing combined sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509168.XU CN211115971U (en) | 2019-09-11 | 2019-09-11 | Well temperature water-containing combined sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115971U true CN211115971U (en) | 2020-07-28 |
Family
ID=71700956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921509168.XU Active CN211115971U (en) | 2019-09-11 | 2019-09-11 | Well temperature water-containing combined sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211115971U (en) |
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2019
- 2019-09-11 CN CN201921509168.XU patent/CN211115971U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A combined sensor for well temperature and water cut Effective date of registration: 20210427 Granted publication date: 20200728 Pledgee: Xianyang corporate finance Company limited by guarantee Pledgor: XI'AN GOWELL PETROLEUM EQUIPMENT Co.,Ltd. Registration number: Y2021980003100 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221108 Granted publication date: 20200728 Pledgee: Xianyang corporate finance Company limited by guarantee Pledgor: XI'AN GOWELL PETROLEUM EQUIPMENT Co.,Ltd. Registration number: Y2021980003100 |