CN2394005Y - High temperature durable electronic pressure gage - Google Patents
High temperature durable electronic pressure gage Download PDFInfo
- Publication number
- CN2394005Y CN2394005Y CN99224360U CN99224360U CN2394005Y CN 2394005 Y CN2394005 Y CN 2394005Y CN 99224360 U CN99224360 U CN 99224360U CN 99224360 U CN99224360 U CN 99224360U CN 2394005 Y CN2394005 Y CN 2394005Y
- Authority
- CN
- China
- Prior art keywords
- pressure
- temperature
- tube
- connector
- pressure gage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a high-temperature and durable electronic pressure gage, which is an underground storage-type testing device used in the exploitation for the thick oil and the super thick oil of an oil field. The high-temperature and durable electronic pressure gage can test continuously the data of the underground flowing temperature, the flowing pressure and the pressure recovery in an oil recovery period after an oil well injects the steam and releases the spray. The high-temperature and durable electronic pressure gage is composed of a testing device and a supporting cylinder. The testing device is a main body of the pressure gage, and the supporting cylinder is a carrying body of the pressure gage. The high-temperature and durable electronic pressure gage has the advantages that the high-temperature and durable electronic pressure gage can work for a long time under the high-temperature and high-pressure environment and has high safety. In addition, the high-temperature and durable electronic pressure gage also has the advantages of simple operation, low cost, high precision, high stability, etc.
Description
The utility model relates to a kind of storing electronic tester in oil-field thick-oil and the use of super-heavy oil deposit down-hole, be particularly related to a kind of can after oil well is annotated the vapour open flow, one of continuous monitoring the oil recovery production cycle, measure the tester that stream temperature, stream pressure and pressure recover data, belong to the oil instrument class.
Viscous crude is compared with conventional oil reservoir with super-heavy oil deposit, and its exploitation difficulty is big, generally adopts the exploitation of cyclic steam stimulation process technology.Oil well by having related parameter to monitor to downhole temperature, pressure etc., can be grasped down-hole oil reservoir dynamic change situation after annotating the vapour operation at any time, and is very necessary for instructing oil well production.In the prior art, though carry out the test job of downhole parameters at several instruments such as using bottom hole temperature bomb, pressure bomb, down-hole double parameter test instrument and down-hole four parameter testers on the oil field, but in the restriction that all has aspect of performance in varying degrees, can not satisfy test request fully, subject matter is: above-mentioned instrument all can not be worked under high temperature well continuously for a long time, therefore can't satisfy the needs of dynamic monitoring in viscous crude and the super-heavy oil deposit development process.
The purpose of this utility model is to provide a kind of high-temperature and long-efficiency electronic pressure gauge, this instrument can be under down-hole high temperature, hyperbaric environment long time continuous working, follow the tracks of whole production cycle, downhole temperature and pressure are carried out synchro measure, do not influence the ordinary production of oil well.
The purpose of this utility model realizes by a kind of high-temperature and long-efficiency electronic pressure gauge of design.This instrument comprises tester and holder tube two parts that reservoir temperature under the monitor well, pressure change.Tester is the main body of instrument, by the adiabatic section of measuring section, the seal section that is connected the measuring section bottom, seal section bottom and be arranged in the sensor of adiabatic section and data acquisition storage system etc. is formed.
Described measuring section belongs to the instrument part, comprises thermocouple or RTD, also comprises the pressure-sensitive bellows, and the conduction capillary tube that links to each other with pressure sensor in the adiabatic section; Seal section is used for the hyperbaric environment of isolated external testing medium, comprises sealing nut, seal head, connector and the tapered copper ring of spacer ring; Described adiabatic section comprises the metal Dewar bottle that plays insulation and heat-blocking action, plays the bottle stopper and the Thiele tube of vertical heat insulating function, and the connector that docks with the holder tube vibration absorber; Described data acquisition storage system, it is the SCM system that constitutes by high temperature resistant chip and electronic devices and components, be designed to the data acquisition movement, be used to receive the temperature signal that the force value signal and the thermocouple of pressure sensor are produced, through amplifier, A/D converter converts measured temperature, pressure simulation signal data signal to and is stored in the memory, obtains temperature, force value by calculating.
Described holder tube is the carrier of instrument, the inner tester of placing.The holder tube mainly is made up of shell and vibration absorber two parts, and shell plays the containment vessel effect, avoids the damage of instrument in working the process of going into the well.Shell comprises targeting part, screen casing oil-feed part, pipe nipple and joint etc.Vibration absorber is installed on the shell, be located between the connecting portion of instrument and holder tube, its effect be reduced go into the well and the course of work in the vibration that produced to the injury of instrument.
High-temperature and long-efficiency electronic pressure gauge of the present utility model compared with prior art has following advantage and effect:
1. heat insulation owing to adopting the metal Dewar bottle to carry out, can under high temperature and high pressure environment, work long hours, and safe and reliable.
2. bottle stopper adopts the conical surface seal form to the sealing of bottle, can keep excellent sealing under long-time high pressure conditions, has satisfied tester real work needs.
3. this instrumentation is simple, with low cost, precision is high, good stability.
Fig. 1 is the longitudinal sectional view of the utility model holder tube.
Fig. 2 is the longitudinal sectional view of the utility model tester.
Fig. 3 is sensor of the present utility model and down-hole single-chip data acquisition storage system theory diagram.
Below in conjunction with the given embodiment of accompanying drawing 1 to 3, the utility model is further described.
High-temperature and long-efficiency electronic pressure gauge among the embodiment is made up of holder tube and tester two parts.
The holder tube comprises component such as joint 1, last short circuit 2, box cupling 3, following pipe nipple 4, screen casing 5, guide head 6 and spring body 7.There is internal thread at joint 1 two ends, and the top screw thread links to each other with pumping pipe string, and the bottom links to each other with last short circuit 2; There is external screw thread at last short circuit 2 two ends, and the external screw thread of lower end links to each other with box cupling 3; The lower end of box cupling 3 links to each other with following pipe nipple 4 with screw thread; Be screen casing 5 and guide head 6 below the following pipe nipple 4, all interconnect between these component with thread forms.Spring body 7 is contained in the inner chamber of holder tube.
Tester comprises the data acquisition storage system in measuring section, seal section, adiabatic section and the adiabatic section.Measuring section comprises a heat conduction good metal housing 8, is arranged in pressure-sensitive bellows 9 and a thermocouple 10 and a pressure conduction capillary tube 11 that is used to measure temperature of housing 8.Housing 8 front ends have circular hole and the exterior of a φ 40, guarantee that pressure-sensitive bellows 9 contacts with thermocouple 10 and tested media are unimpeded.Pressure conduction capillary tube 11 is through the endoporus of connector 15 and bottle stopper 19, join with the pressure sensor 12 in the adiabatic section, and pressure-sensitive bellows 9 sensed pressure are transmitted to pressure sensor 12, pressure sensor 12 is POLYCRYSTAL SILICON PRESSURE SENSORS or silicon on sapphire pressure sensor or the shallow thin film sensor of penetrating.Thermocouple 10 cold junctions extend in the adiabatic section through the endoporus of connector 15 and bottle stopper 19.Seal section comprises a sealing nut 13, seal head 14, connector 15 and the tapered copper ring 16 of spacer ring.Seal head 14 welds together with adiabatic section shell 17, annular solid for hollow, the top of its endoporus is female shape conical surface, there is a public shape conical surface body at connector 15 middle parts, and its angle and seal head 14 female shape conical surface angles are coincide, and sealing copper ring 16 (being made by red copper) is therebetween during use, closely contact with two conical surfaces, compress red copper pad 16 by screwing hermetic nut 13, play the high pressure sealing effect, thereby guarantee that the cavity in the adiabatic section is in complete sealing state in test process.The adiabatic section comprises shell 17, metal Dewar bottle 18, bottle stopper 19, Thiele tube 20, metal heat absorbent 21, instrument connector 22.Metal Dewar bottle 18 places in the shell 17, vacuum is pumped in its inside, when guaranteeing pressure gauge externally environment temperature being 200 ℃, the interior temperature rise of instrument room is no more than 150 ℃ (according to field experiment in 168 hours, after the general well thermal recovery initial stage opened and took out 168 hours, down-hole ambient temperature will be less than 150 ℃).Bottle stopper 19 is the cylinder of hollow, is positioned at connector 15 bottoms, and inner can metal heat absorbent is with the heat in the absorbing apparatus cabin.Pressure conduction capillary tube 11 and thermocouple 10 call wires pass from its endoporus.Thiele tube 20 joins with bottle stopper 19, its inner can metal heat absorbent, and with heat in the absorbing apparatus cabin, its good thermal conductivity can guarantee that temperature is even in the instrument room.Instrument connector 22 is positioned at the afterbody of tool housing 17, and the spring body 7 interior with the holder tube is connected, and guarantees that pressure gauge is fixed in the holder tube.
The single-chip data acquisition storage system comprises pressure transmitter, A/D converter, single-chip microcomputer, data storage, ground host, power supply.Pressure transmitter is transformed into the signal of telecommunication with the pressure signal of pressure sensor 12 and delivers in the A/D converter, A/D converter converts the temperature signal of electric pressure signal and thermocouple 10 perception to data signal and sends in the single-chip microcomputer, single-chip microcomputer is handled temperature, pressure signal, deposit in the data storage, behind the EOT, ground host by cable with the data readback in the memory.Power supply is the high temperature resistant high power lithium battery of 6V, can guarantee that data acquisition storage system operate as normal is more than 6 months.
Claims (2)
1, the high-temperature and long-efficiency electronic pressure gauge that is used for continuous measurement temperature and pressure in down-hole in a kind of oil-field thick-oil and the super heavy oil recovery, comprise tester and holder tube two parts, it is characterized in that: tester is by measuring section, be connected the seal section below the measuring section, the adiabatic section of seal section bottom, and be arranged in compositions such as the sensor of adiabatic section and data collecting system, the holder tube is made up of shell and vibration absorber etc., measuring cell comprises thermocouple, pressure-sensitive bellows, and the conduction capillary tube that links to each other with pressure sensor; Thermal insulation element comprises metal Dewar bottle, bottle stopper and Thiele tube, and the metal ring cone seal is adopted in sealing, and data collecting system comprises the single-chip microcomputer that high temperature resistant chip and electronic devices and components constitute.
2, high-temperature and long-efficiency electronic pressure gauge according to claim 1, it is characterized in that: the holder tube comprises joint (1), last pipe nipple (2), box cupling (3) is pipe nipple (4) down, screen casing (5), guide head (6) and spring body (7) etc., joint (1) bottom links to each other with last pipe nipple (2) with screw thread, last pipe nipple (2) links to each other with box cupling (3) with screw thread, box cupling (3) links to each other with following pipe nipple (4) with screw thread, the following continuation of following pipe nipple (4) is with screen casing that is threaded (5) and guide head (6), spring body (7) is contained in the inner chamber of holder tube, tester comprises heat-conducting metal housing (8), pressure-sensitive bellows (9), thermocouple (10), pressure transmission capillary tube (11), pressure sensor (12), sealing nut (13), seal head (14), connector (15), sealing steel loop (16), shell (17), metal Dewar bottle (18), bottle stopper (19), Thiele tube (20), metal heat absorbent (21) and instrument connector (22) etc., pressure-sensitive bellows (9), thermocouple (10) and pressure transmission capillary tube (11) are positioned at housing (8), sensing capillary (11) joins through the endoporus and the pressure sensor (12) of connector (15) and bottle stopper (19), thermocouple (10) cold junction extends in the adiabatic section through connector (15) and bottle stopper (19) endoporus, seal head (14) is welded together with adiabatic section shell (17), the public shape conical surface dress of female shape conical surface of seal head (14) and connector (15) closes, intermediate cryptographic envelope copper ring (16), sealing nut (13) compresses sealing copper ring (16), metal Dewar bottle (18) places in the shell (17), bottle stopper (19) is positioned at the bottom of connector (15), interior dress metal heat absorbent (21), the call wire of pressure transmission capillary tube (11) and thermocouple (10) passes from its endoporus, Thiele tube (20) joins with bottle stopper (19), metal heat absorbent (21) is also adorned in inside, instrument connector (22) is positioned at tool housing (17) afterbody, be connected with holder tube inner spring body (7), deliver in the A/D converter after the signal conversion of pressure transmitter with pressure sensor (12), A/D converter is converted to the pressure and temperature signal to send in the single-chip microcomputer after the data signal and handles, and data are deposited in the memory, ground host is with data readback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99224360U CN2394005Y (en) | 1999-07-01 | 1999-07-01 | High temperature durable electronic pressure gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99224360U CN2394005Y (en) | 1999-07-01 | 1999-07-01 | High temperature durable electronic pressure gage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2394005Y true CN2394005Y (en) | 2000-08-30 |
Family
ID=34014424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99224360U Expired - Fee Related CN2394005Y (en) | 1999-07-01 | 1999-07-01 | High temperature durable electronic pressure gage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2394005Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733853A (en) * | 2011-04-14 | 2012-10-17 | 中国矿业大学 | Intelligent sensor for collecting stress |
| CN103513597A (en) * | 2013-08-29 | 2014-01-15 | 南京理工大学 | Pressure test storing device with trigger controller |
| CN105182059A (en) * | 2015-10-08 | 2015-12-23 | 中国石油集团渤海钻探工程有限公司 | Cell voltage automatic detection device for storage type underground electronic pressure gauge |
| CN112610201A (en) * | 2020-12-10 | 2021-04-06 | 大庆市博瑞吉机械设备制造有限公司 | High-temperature anti-corrosion pressure gauge suitable for gas well test |
| CN112857614A (en) * | 2021-01-08 | 2021-05-28 | 商丘睿控仪器仪表有限公司 | 260 ℃ temperature measurement system for measuring ambient temperature |
-
1999
- 1999-07-01 CN CN99224360U patent/CN2394005Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733853A (en) * | 2011-04-14 | 2012-10-17 | 中国矿业大学 | Intelligent sensor for collecting stress |
| CN103513597A (en) * | 2013-08-29 | 2014-01-15 | 南京理工大学 | Pressure test storing device with trigger controller |
| CN105182059A (en) * | 2015-10-08 | 2015-12-23 | 中国石油集团渤海钻探工程有限公司 | Cell voltage automatic detection device for storage type underground electronic pressure gauge |
| CN112610201A (en) * | 2020-12-10 | 2021-04-06 | 大庆市博瑞吉机械设备制造有限公司 | High-temperature anti-corrosion pressure gauge suitable for gas well test |
| CN112857614A (en) * | 2021-01-08 | 2021-05-28 | 商丘睿控仪器仪表有限公司 | 260 ℃ temperature measurement system for measuring ambient temperature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206740585U (en) | A kind of rock core self-priming evaluating apparatus for simulating HTHP stratum | |
| CN102996117A (en) | Heat-resistant gas injection multi-parameter logger | |
| CN207393186U (en) | A kind of safety drilling downhole parameters survey tool | |
| CN2394005Y (en) | High temperature durable electronic pressure gage | |
| CN202031570U (en) | Plugging-type pressure differential flowmeter | |
| CN200978672Y (en) | Downhole crack pressure monitoring instrument | |
| CN2742136Y (en) | High temperature gas injection well five parameter gas entry profile combined logging instrument | |
| CN105569653A (en) | Plumb shaft underground wet steam flow dryness measurement device and method | |
| CN209308680U (en) | A kind of compound logging sensor of optical fiber-electronics | |
| CN2637728Y (en) | Thick oil hot pump well high temperature multi parameter testing instrument | |
| CN201915945U (en) | Testing device for high-temperature, high-pressure and high-frequency dynamic signal | |
| CN202348268U (en) | High-precision fracturing electronic pressure gauge | |
| CN209432342U (en) | A kind of quartz crystal pressure flowmeter sensor multi-buffer isolating device | |
| CN116220663A (en) | Miniaturized underground temperature and pressure measurer resistant to ultrahigh temperature and ultrahigh pressure | |
| CN2473335Y (en) | Under well complex monitor for oil pumping well | |
| CN112647919B (en) | CO based on resistance change2Device and method for monitoring phase change in fracturing hole | |
| CN203050673U (en) | High temperature resisting steam injection multiparameter logging instrument | |
| CN102175335B (en) | Method, system and pressure-bearing device for measuring internal temperature field and pressure field of materials | |
| CN204371329U (en) | A kind of straight well downhole wet steam flow dryness measurement device | |
| CN201963294U (en) | Thermal recovery well production period tracking monitor and monitoring system | |
| CN210005125U (en) | high-temperature-resistant torch remote temperature measuring thermocouple | |
| CN105937391A (en) | Automatic monitoring device for rodless pump producing well working fluid level | |
| CN207348849U (en) | Electron pressure test monitoring device | |
| CN207073411U (en) | Ultralow temperature high-pressure well carbon dioxide multi-parameter logger | |
| CN2243534Y (en) | Oil well underground fracturing data collecting apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |