CN104675386A - High-temperature platinum resistor well logging device - Google Patents
High-temperature platinum resistor well logging device Download PDFInfo
- Publication number
- CN104675386A CN104675386A CN201510118065.0A CN201510118065A CN104675386A CN 104675386 A CN104675386 A CN 104675386A CN 201510118065 A CN201510118065 A CN 201510118065A CN 104675386 A CN104675386 A CN 104675386A
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- CN
- China
- Prior art keywords
- temperature
- probe
- well logging
- heat
- high temperature
- 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.)
- Pending
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052697 platinum Inorganic materials 0.000 title claims abstract description 6
- 239000000523 sample Substances 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 238000004321 preservation Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000009529 body temperature measurement Methods 0.000 abstract description 4
- 238000007639 printing Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 6
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 102100022068 Serine palmitoyltransferase 1 Human genes 0.000 description 2
- 101710122478 Serine palmitoyltransferase 1 Proteins 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
Abstract
The invention relates to a high-temperature platinum resistor well logging device, which comprises a thermal insulation barrel, wherein the upper end of the thermal insulation barrel is covered by a compression nut; the lower end surface of the thermal insulation barrel is provided with a probe jacket which downwards extends; a temperature transmitter, a temperature sensor and a probe fixing sheet are arranged in the thermal insulation barrel, wherein the temperature transmitter, the temperature sensor and the probe fixing sheet are successively connected; a probe and the probe fixing sheet are fixedly connected; the probe extends into the probe jacket. The temperature transmitter is connected with a coaxial cable; the coaxial cable extends out from the compression nut; a cone guide head is screwed on the lower part of the thermal insulation barrel. The high-temperature platinum resistor well logging device has a wide temperature measurement range and can normally work at the temperature of 50DEC below zero-660DEG C. The measurement precision is high, the temperature measurement precision is less than or equal to 0.5%, and a measurement resolution is +/-0.5DEG C. The temperature sensor adopts a metal hard sealing structure, and therefore, risks brought by damage, such as the softening and the cracking of a rubber sealing ring, due to high temperature can be avoided. The thermal insulation barrel sheathes the temperature transmitter, and the temperature transmitter is guaranteed to carry out modulation and normal conversion on a temperature signal at a high temperature. Uninterrupted on-line measurement is adopted, and the temperature signal is subjected to functions, such as counting, collection, storage, analysis, printing and the like.
Description
Technical field
The present invention relates to a kind of temperature measuring equipment, particularly relate to a kind of high temperature RTD well logging apparatus carrying out the test of oil-water well high-temperature.
Background technology
High temperature RTD logging technique is in HTHP oil gas water well, with the Detection Techniques based on RTD PT1000 sensor for core, carries out the high temperature test technology of oil-water well temperature.Be usually used in the petroleum exploration and development intermediary and later stages, to the oil-water-gas medium in conventional oil-water well, viscous crude superelevation hot-well, carry out a kind of method of dynamic temperature test.At present, oil field at home, electronics borehole thermometer used, it is operated in tests in the conventional well that is not more than and carries out at 150 DEG C, uses limitation very large.Once meet high temperature or ultrahigh-temperature profit gas well, with regard to electronics borehole thermometer traditional at present and traditional mechanical thermometer use, the former, integrated circuit non-refractory, more than 150 DEG C of environment cisco unity malfunctions, the latter, in high temperature environments, the linearity is bad, usually drifting about, is also can not reflect well temperature exactly, thus, these two logging techniquies, can not get measured temperature accurately.
Summary of the invention
The object of the invention is to propose a kind of high temperature resistant, can the high temperature RTD well logging apparatus of accurately detecting to downhole temperature.
The object of the present invention is achieved like this: high temperature RTD well logging apparatus comprises a heat-preservation cylinder, clamping nut is stamped in heat-preservation cylinder upper port, lower surface is provided with the probe sheath to downward-extension, the temperature transmitter, temperature pick up and the probe stator that connect in turn is placed in heat-preservation cylinder, probe is fixedly linked with probe stator, and probe stretches in probe sheath.Temperature transmitter connects coaxial cable, and coaxial cable is stretched out by clamping nut, and spin in heat-preservation cylinder bottom starting taper head.
The present invention has the following advantages: temperature range is wide, and instrument normally can work under the environment of-50 ~ 660 DEG C.Certainty of measurement is high, temperature measurement accuracy≤0.5%, Measurement Resolution is ± 0.5 DEG C.Temperature pick up adopts metal hard sealing structure, avoids high temperature to cause rubber seal to soften splitting the risk waiting damage to bring.Temperature transmitter outer cover steel insulating cylinder assembly, under can guaranteeing its high-temperature temperature, temperature transmitter is to temperature signal modulation and change normal.Adopt uninterrupted on-line measurement, and the function such as temperature signal carries out counting, gathers, stores, analyzes, printing.
Accompanying drawing illustrates: technical scheme of the present invention is provided by following drawings and Examples:
Fig. 1 is high temperature RTD well logging apparatus structural representation.
Legend: 1, clamping nut, 2, coaxial cable, 3, temperature transmitter, 4, heat-preservation cylinder, 5, temperature pick up, 6, probe stator, 7, exploration hole, 8, probe, 9, starting taper head.
Detailed description of the invention: the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
Embodiment: as shown in Figure 1, high temperature RTD well logging apparatus it comprise a heat-preservation cylinder 4, clamping nut 1 is stamped in heat-preservation cylinder 4 upper port, lower surface is provided with the probe sheath to downward-extension, the temperature transmitter 3 that placement connects in turn in heat-preservation cylinder 4, temperature pick up 5 and probe stator 6, probe 8 is fixedly linked with probe stator 6, and probe 8 stretches in probe sheath.Temperature transmitter 3 connects coaxial cable 2, coaxial cable 2 is stretched out by clamping nut 1, is connected with the ground portable numerical controlled well logging system of SPT1 type.Spin in heat-preservation cylinder 4 bottom starting taper head 9.
Described heat-preservation cylinder 4 is steel, and its inwall is provided with heat resistant layer, and heat resistant layer can select existing kieselguhr, silica, glass fiber (also known as mineral wool), asbestos and their goods.Can guarantee that temperature transmitter 3 is at high temperature modulated temperature signal and changes normal.
Its front portion of described starting taper head 9 is solid cone shaped head, and rear portion is uncovered cavity body, offers internal thread at its rear portion opening end, and itself and heat-preservation cylinder 4 spin.Starting taper head 9 rear cavity body sidewall offers exploration hole, and probe sheath is positioned at this cavity.
Described probe stator 6, probe sheath are the metal of leading temp effect good and make.Be surrounded by the metal high temperature-proof cover of taper outside described temperature pick up 5, temperature pick up 5 circuit is connected with probe 8, and probe 8 adopts pt1000 platinum resistance thermometer sensor.Temperature pick up 5 is prior art, and it can adopt German UST platinum resistance temperature sensor, product type: FMS 2145, Pt1000, A/B level, temperature range :-50 DEG C of to+660 DEG C.
Temperature transmitter 3 adopts three-wire system constant-current source to drive method actuation temperature sensor 5, three-wire system constant-current source drives method to refer to the fixed resistance (zero degree resistance) eliminating temperature pick up 5 with hardware circuit, be characterized in the resistance change of direct measuring tempeature sensor 5, A/D converter utilization ratio is high, circuit output voltage is linear with resistance change, according to the stoichiometric ratio shift theory of A/D converter, the magnitude of voltage AD exported, changed by V/F, form 12V pulse counting signal amount, adapt to long-distance transmissions, substantially increase temperature measurement accuracy and stability.Temperature transmitter 3 can select HAKK-WB series.
In use, underground liquid matter enters heat-preservation cylinder 4 lower cavity by exploration hole 7, liquid matter temperature passes to probe 8 through probe sheath, by temperature pick up 5, the signal collected is sent temperature transmitter 3 again, finally transfer to the portable numerical controlled well logging system of ground SPT1 type, thus realize uninterrupted on-line measurement, and the function such as temperature signal carries out counting, gathers, stores, analyzes, printing.
Constitute most preferred embodiment of the present invention at above technical characteristic, relevant art feature can be increased and decreased according to actual needs.
Claims (5)
1. a high temperature RTD well logging apparatus, it is characterized in that: it comprises a heat-preservation cylinder, clamping nut is stamped in heat-preservation cylinder upper port, lower surface is provided with the probe sheath to downward-extension, places the temperature transmitter, temperature pick up and the probe stator that connect in turn in heat-preservation cylinder, and probe is fixedly linked with probe stator, probe stretches in probe sheath, temperature transmitter connects coaxial cable, and coaxial cable is stretched out by clamping nut, and spin in heat-preservation cylinder bottom starting taper head.
2. high temperature RTD well logging apparatus as claimed in claim 1, is characterized in that: described heat-preservation cylinder is steel, and its inwall is provided with heat resistant layer.
3. high temperature RTD well logging apparatus as claimed in claim 1, is characterized in that: the metal high temperature-proof cover being surrounded by taper outside described temperature pick up, and temperature sensor circuit is connected with probe, and probe adopts pt1000 platinum resistance thermometer sensor.
4. high temperature RTD well logging apparatus as claimed in claim 1, is characterized in that: its front portion of described starting taper head is solid cone shaped head, and rear portion is uncovered cavity body, offers internal thread at its rear portion opening end, and itself and heat-preservation cylinder spin.
5. high temperature RTD well logging apparatus as claimed in claim 4, is characterized in that: on starting taper back of head cavity body sidewall, offer exploration hole, probe sheath is positioned at this cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118065.0A CN104675386A (en) | 2015-03-18 | 2015-03-18 | High-temperature platinum resistor well logging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118065.0A CN104675386A (en) | 2015-03-18 | 2015-03-18 | High-temperature platinum resistor well logging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675386A true CN104675386A (en) | 2015-06-03 |
Family
ID=53310914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510118065.0A Pending CN104675386A (en) | 2015-03-18 | 2015-03-18 | High-temperature platinum resistor well logging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104675386A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362399A (en) * | 2018-05-02 | 2018-08-03 | 吉林大学 | A kind of cable for measuring temperature |
| CN108362399B (en) * | 2018-05-02 | 2024-04-26 | 吉林大学 | Temperature measurement cable |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2545586Y (en) * | 2002-05-23 | 2003-04-16 | 中国石油集团科学技术研究院江汉测井研究所 | Well bottom temp. measurer |
| GB0522015D0 (en) * | 2005-10-28 | 2005-12-07 | Intellitect Water Ltd | Improvements in or relating to sensing apparatus |
| CN101236255A (en) * | 2007-12-28 | 2008-08-06 | 上海神开石油化工装备股份有限公司 | Underground fluid composite monitoring method |
| US20110031331A1 (en) * | 2007-10-24 | 2011-02-10 | Michael Klicpera | Apparatus for Displaying, Monitoring and/or Controlling Shower, Bath or Sink Faucet Water Parameters with an Audio or Verbal Annunciations or Control Means |
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| US20130301673A1 (en) * | 2012-05-04 | 2013-11-14 | Jason Mobley | Method and Apparatus for Measuring, Storing and Retrieving Food Temperature Data |
| CN203702129U (en) * | 2013-12-20 | 2014-07-09 | 杭州瑞利声电技术公司 | Four-parameter logger probe |
| CN203982239U (en) * | 2014-05-16 | 2014-12-03 | 新疆华隆油田科技股份有限公司 | A kind of device of Long-distance Control machine room internal environment |
| CN204043802U (en) * | 2014-08-20 | 2014-12-24 | 中国石油化工集团公司 | A kind of temp probe |
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2015
- 2015-03-18 CN CN201510118065.0A patent/CN104675386A/en active Pending
Patent Citations (13)
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| CN103075146A (en) * | 2011-10-25 | 2013-05-01 | 中国石油化工股份有限公司 | Differential temperature and pressure tester for horizontal well for thermal recovery |
| US20130301673A1 (en) * | 2012-05-04 | 2013-11-14 | Jason Mobley | Method and Apparatus for Measuring, Storing and Retrieving Food Temperature Data |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362399A (en) * | 2018-05-02 | 2018-08-03 | 吉林大学 | A kind of cable for measuring temperature |
| CN108362399B (en) * | 2018-05-02 | 2024-04-26 | 吉林大学 | Temperature measurement cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |
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| WD01 | Invention patent application deemed withdrawn after publication |