CN104989382A - Heavy oil thermal recovery wellhead high-temperature-resistant pressure transmitter - Google Patents
Heavy oil thermal recovery wellhead high-temperature-resistant pressure transmitter Download PDFInfo
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- CN104989382A CN104989382A CN201510357458.7A CN201510357458A CN104989382A CN 104989382 A CN104989382 A CN 104989382A CN 201510357458 A CN201510357458 A CN 201510357458A CN 104989382 A CN104989382 A CN 104989382A
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- pipe
- pressure transmitter
- temperature
- oil thermal
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Abstract
The invention discloses a heavy oil thermal recovery wellhead high-temperature-resistant pressure transmitter, which comprises a connecting head cover, wherein the lower part of the connecting head cover is provided with a digital display disc; the lower part of the digital display disc is provided with a sensor; a case is arranged outside the sensor; the sensor and the case are fixed through a fixing cross beam; a sapphire core body is arranged in the sensor; the lower part of the sensor is connected with a transmission sleeve; the lower part of the transmission sleeve is connected with a thermocouple sleeve; and an overtemperature protection pipe is arranged in the peripheral direction between the thermocouple sleeve and a thermocouple. The heavy oil thermal recovery wellhead high-temperature-resistant pressure transmitter has the following beneficial effects that 1, sapphire has unique physical features and is selected to be used as the instrument core body of the high-temperature-resistant pressure transmitter; the high-temperature-resistant and high-pressure-resistant requirements are met; an instrument is arranged on a wellhead; and in the technical process, the real-time monitoring on the temperature and the pressure in the whole heavy oil thermal recovery process is realized; and 2, an R113 solution is arranged in the outer peripheral direction of the thermocouple sleeve and is gasified after being heated, and the heat transmission and conduction can be realized.
Description
Technical field
The present invention relates to temperature and pressure transmitter technical field, be specifically related to a kind of for the high temperature resistant pressure transmitter of thick oil thermal production well mouth.
Background technology
The mainly integrative temperature transmitter of temperature transmitter in the market, is generally made up of temperature probe (thermoelectricity is thermal resistance sensor occasionally) and two-wire system solid electronic unit.Adopt solid modules form to be directly installed in junction box by temperature probe, thus form the transmitter of integration.Integrative temperature transmitter is generally divided into thermal resistance and thermocouple type two type.
Thermocouple temperature transmitter is generally made up of a reference source, cold junction compensation, reverse connecting protection unit.It is that eliminated the nonlinearity erron of thermoelectrical potential and temperature by linear circuit, finally amplification is converted to 4 ~ 20mA current output signal by the thermoelectrical potential of thermocouple generation after cold junction compensation amplifies.But heavy crude heat extraction manufacturing process HTHP, conventional thermocouples temperature transmitter voltage withstand class is inadequate, cannot monitor heavy crude heat extraction production overall process.
Summary of the invention
The object of the invention is to overcome existing technological deficiency, provide the high temperature resistant pressure transmitter of a kind of thick oil thermal production well mouth.
Its technical scheme is: a kind of thick oil thermal production well mouth is high temperature resistant pressure transmitter, comprise connection skull, connect skull bottom and be provided with digital display dish, the bottom of digital display dish is provided with sensor, sensor is outside equipped with shell, fixed by fixed cross beam between itself and shell, in sensor, be provided with sapphire core body; Described sensor bottom connects transmits sleeve pipe, transmits casing part and connects thermocouple sheath, described in connect circumference between thermocouple sheath and thermocouple and be provided with overheat protector pipe.
As the high temperature resistant pressure transmitter of above-mentioned a kind of thick oil thermal production well mouth, described transmission sleeve pipe is connected with it by the screwed pipe being arranged on sensor base, and the top of screwed pipe is also provided with Sealed casing pipe, and Sealed casing pipe is extended with the sealing wing downwards; Described transmission sleeve upper end is provided with the tube connector of coupling screwed pipe, and lower end is provided with rectangle jointing.
As the high temperature resistant pressure transmitter of above-mentioned a kind of thick oil thermal production well mouth, the upper end of described thermocouple sheath is provided with the connecting portion connecting and transmit sleeve pipe, connecting portion is provided with the rectangle splicing sleeve of coupling rectangle jointing, is provided with transition linkage section between connecting portion and thermocouple sheath.
As the high temperature resistant pressure transmitter of above-mentioned a kind of thick oil thermal production well mouth, in described overheat protector pipe, punching has R113 solution.
The present invention has following beneficial effect:
1, due to the physical characteristic of sapphire uniqueness, select sapphire to become instrument core body as temperature and pressure, meet the requirement of high-temperature-resistant high-pressure-resistant, instrument is arranged in well head technological process, realize the Real-Time Monitoring of heavy crude heat extraction overall process temperature, pressure;
2, the outer circumference of thermocouple sheath arranges R113 solution, and R113 solution, by thermal evaporation, can realize heat and pass conduction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
All parts and mark and title as follows:
Connect skull 1, digital display dish 2, Sealed casing pipe 3, the sealing wing 4, screwed pipe 5, fixed cross beam 6, sensor 7, sapphire core body 8, tube connector 9, transmit sleeve pipe 10, rectangle jointing 11, connecting portion 12, transition linkage section 13, thermocouple sheath 14, overheat protector pipe 15 and thermocouple 16.
Detailed description of the invention
As shown in Figure 1, the high temperature resistant pressure transmitter of a kind of thick oil thermal production well mouth, comprise and connect skull 1, connect skull 1 bottom and be provided with digital display dish 2, the bottom of digital display dish 2 is provided with sensor 7, sensor 7 is outside equipped with shell, is fixed, be provided with sapphire core body 8 in sensor 7 between itself and shell by fixed cross beam 6; Described sensor 7 bottom connects transmits sleeve pipe 10, transmits sleeve pipe 10 bottom and connects thermocouple sheath 14, described in connect circumference between thermocouple sheath 14 and thermocouple 16 and be provided with overheat protector pipe 15.
Described transmission sleeve pipe 10 is connected with it by the screwed pipe 5 be arranged on bottom sensor 7, and the top of screwed pipe 5 is also provided with Sealed casing pipe 3, and Sealed casing pipe 3 is extended with the sealing wing 4 downwards; Described transmission sleeve pipe 10 upper end is provided with the tube connector 9 of coupling screwed pipe 5, and lower end is provided with rectangle jointing 11.
The upper end of described thermocouple sheath 14 is provided with the connecting portion 12 connecting and transmit sleeve pipe 10, and connecting portion 12 is provided with the rectangle splicing sleeve 11 of coupling rectangle jointing 11, is provided with transition linkage section 13 between connecting portion 12 and thermocouple sheath 14.
In described overheat protector pipe 15, punching has R113 solution.
During specific works, one end of the thermocouple sheath 14 of temperature variodenser is placed on viscous crude monitoring position, if oil temperature is within controlled range, the gasification of R113 solution is very little, the critical gasification temperature of R113 solution can reach 65 °, if high oil temperature, R113 solution just forms gasification, reach the effect of overheat protector housing, isolated tube is had between thermocouple sheath 14 and overheat protector pipe 15, the effect of isolated tube is the heat monitoring preventing overheat protector pipe 15 from affecting thermocouple sheath 14, the temperature inversion monitored becomes signal transmission to sensor 7 by thermocouple sheath 14, signal is being changed into numerical monitor on digital display dish 2 through digital-to-analogue conversion by sensor 7.Wherein, sensor 7 uses sapphire as core body, improves the requirement of its high temperature high voltage resistant greatly.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (4)
1. one kind for the high temperature resistant pressure transmitter of thick oil thermal production well mouth, it is characterized in that: comprise and connect skull (1), connect skull (1) bottom and be provided with digital display dish (2), the bottom of digital display dish (2) is provided with sensor (7), sensor (7) is outside equipped with shell, fixed by fixed cross beam (6) between itself and shell, in sensor (7), be provided with sapphire core body (8); Described sensor (7) bottom connects transmits sleeve pipe (10), transmits sleeve pipe (10) bottom and connects thermocouple sheath (14), described in connect circumference between thermocouple sheath (14) and thermocouple (16) and be provided with overheat protector pipe (15).
2. the high temperature resistant pressure transmitter of thick oil thermal production well mouth according to claim 1, it is characterized in that: described transmission sleeve pipe (10) is connected with it by the screwed pipe (5) being arranged on sensor (7) bottom, the top of screwed pipe (5) is also provided with Sealed casing pipe (3), and Sealed casing pipe (3) is extended with the sealing wing (4) downwards; Described transmission sleeve pipe (10) upper end is provided with the tube connector (9) of coupling screwed pipe (5), and lower end is provided with rectangle jointing (11).
3. the high temperature resistant pressure transmitter of thick oil thermal production well mouth according to claim 1 and 2, it is characterized in that: the upper end of described thermocouple sheath (14) is provided with the connecting portion (12) connecting and transmit sleeve pipe (10), connecting portion (12) is provided with the rectangle splicing sleeve (11) of coupling rectangle jointing (11), is provided with transition linkage section (13) between connecting portion (12) and thermocouple sheath (14).
4. the high temperature resistant pressure transmitter of thick oil thermal production well mouth according to claim 1, is characterized in that: in described overheat protector pipe (15), punching has R113 solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357458.7A CN104989382A (en) | 2015-06-26 | 2015-06-26 | Heavy oil thermal recovery wellhead high-temperature-resistant pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357458.7A CN104989382A (en) | 2015-06-26 | 2015-06-26 | Heavy oil thermal recovery wellhead high-temperature-resistant pressure transmitter |
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| Publication Number | Publication Date |
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| CN104989382A true CN104989382A (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510357458.7A Pending CN104989382A (en) | 2015-06-26 | 2015-06-26 | Heavy oil thermal recovery wellhead high-temperature-resistant pressure transmitter |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152317A (en) * | 1994-07-08 | 1997-06-18 | 美国3M公司 | Superatmopheric reaction |
| CN1390298A (en) * | 1999-10-13 | 2003-01-08 | 德士古发展公司 | Sapphire reinforced thermocouple protection tube |
| CN2559783Y (en) * | 2002-07-16 | 2003-07-09 | 辽河石油勘探局总机械厂 | Viscous oil thermal recovery well head apparatus |
| CN201497591U (en) * | 2009-08-19 | 2010-06-02 | 武汉钢铁(集团)公司 | Thermocouple temperature measuring instrument for measuring temperature field of metal taphole channel of blast furnace and movable handle thereof |
| CN102589990A (en) * | 2012-02-20 | 2012-07-18 | 中国石油天然气集团公司 | Heavy oil thermal recovery casing pipe testing device |
| CN202547793U (en) * | 2012-04-11 | 2012-11-21 | 浙江神威电气有限公司 | Thermoelectric couple protection sleeve |
| CN103225497A (en) * | 2013-04-16 | 2013-07-31 | 中国石油天然气股份有限公司 | Exploitation method of vaporizing formation water and displacing heavy oil by microwaves in situ |
| CN103821487A (en) * | 2014-03-20 | 2014-05-28 | 中国石油大学(华东) | Simulation experiment set for thickened oil thermal recovery storage layer fractures |
| CN204877449U (en) * | 2015-06-26 | 2015-12-16 | 中国石油化工股份有限公司胜利油田分公司 | Be used for high temperature resistant pressure transmitter of viscous crude thermal recovery well head |
-
2015
- 2015-06-26 CN CN201510357458.7A patent/CN104989382A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1152317A (en) * | 1994-07-08 | 1997-06-18 | 美国3M公司 | Superatmopheric reaction |
| CN1390298A (en) * | 1999-10-13 | 2003-01-08 | 德士古发展公司 | Sapphire reinforced thermocouple protection tube |
| CN2559783Y (en) * | 2002-07-16 | 2003-07-09 | 辽河石油勘探局总机械厂 | Viscous oil thermal recovery well head apparatus |
| CN201497591U (en) * | 2009-08-19 | 2010-06-02 | 武汉钢铁(集团)公司 | Thermocouple temperature measuring instrument for measuring temperature field of metal taphole channel of blast furnace and movable handle thereof |
| CN102589990A (en) * | 2012-02-20 | 2012-07-18 | 中国石油天然气集团公司 | Heavy oil thermal recovery casing pipe testing device |
| CN202547793U (en) * | 2012-04-11 | 2012-11-21 | 浙江神威电气有限公司 | Thermoelectric couple protection sleeve |
| CN103225497A (en) * | 2013-04-16 | 2013-07-31 | 中国石油天然气股份有限公司 | Exploitation method of vaporizing formation water and displacing heavy oil by microwaves in situ |
| CN103821487A (en) * | 2014-03-20 | 2014-05-28 | 中国石油大学(华东) | Simulation experiment set for thickened oil thermal recovery storage layer fractures |
| CN204877449U (en) * | 2015-06-26 | 2015-12-16 | 中国石油化工股份有限公司胜利油田分公司 | Be used for high temperature resistant pressure transmitter of viscous crude thermal recovery well head |
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