CN106768629A - A kind of downhole electronic pressure bomb caliberating device - Google Patents
A kind of downhole electronic pressure bomb caliberating device Download PDFInfo
- Publication number
- CN106768629A CN106768629A CN201710039581.3A CN201710039581A CN106768629A CN 106768629 A CN106768629 A CN 106768629A CN 201710039581 A CN201710039581 A CN 201710039581A CN 106768629 A CN106768629 A CN 106768629A
- Authority
- CN
- China
- Prior art keywords
- pressure
- electronic pressure
- pressure gauge
- thermostat
- caliberating device
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to electronic pressure gauge field, and in particular to a kind of downhole electronic pressure bomb caliberating device.Including the thermostat and piston manometer that are connected with computer, multiple pressure interfaces for installing electronic pressure gauge are provided with the thermostat, multiple pressure interfaces are connected with same connecting pipe, the connecting pipe is connected with piston manometer, and all of electronic pressure gauge is also connected with computer.The present invention once can carry out staking-out work to branched electronic pressure gauge simultaneously by setting branched electronic pressure gauge in thermostat, so that can be improved and demarcated efficiency with stringent synchronization with a batch of demarcation environment, process and parameter, reduce product cost.
Description
Technical field
The present invention relates to electronic pressure gauge field, and in particular to a kind of downhole electronic pressure bomb caliberating device.
Background technology
In oil field prospecting and development process, the test and monitoring of the pressure and temperature on oil gas field stratum are formation testing, pilot production
The vital task of work, be also formulate well site production system, determine well site yield and demarcate completion situation data foundation stone, therefore
In order to correctly evaluate the oil gas equivalent on mineral reserve stratum, in time accurately measurement oil-containing, the pressure of gas-bearing bed and temperature value have it is non-
Often important realistic meaning.
Electronic pressure gauge is widely used in measuring and recording the pressure and temperature of the media such as oil, the gas and water in oil gas field stratum
Angle value.In existing oil gas field, general electronic pressure gauge is to need to be carried out in the environment of HTHP or cryogenic high pressure
The demarcation of pressure and temperature.To the calibration process of electronic pressure gauge be also gradually adjusted since certain temperature and pressure temperature and
Pressure, the temperature and pressure scope required for demarcating electronic pressure gauge.
Existing caliberating device is demarcating electron pressure timing, often can just carry out next after the completion of a demarcation
Staking-out work, such scaling method can there are the following problems：1) each demarcation environment of electronic pressure gauge, process and parameter
Can not be consistent completely, this can have a strong impact on stated accuracy；2) demarcate less efficient, cause product cost to rise.
The content of the invention
Present invention aim at：Demarcated when being demarcated using single branch for current oil gas field downhole electronic pressure bomb environment,
Process and parameter can not completely be consistent and demarcate less efficient problem, there is provided a kind of downhole electronic pressure bomb demarcates dress
Put, the apparatus structure is simple, staking-out work once can be carried out to branched electronic pressure gauge simultaneously, so that with a batch of demarcation
Environment, process and parameter can be improved and demarcated efficiency with stringent synchronization, reduce product cost.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of downhole electronic pressure bomb caliberating device, including the thermostat and piston manometer being connected with computer,
Multiple pressure interfaces for installing electronic pressure gauge, multiple pressure interfaces and same pilot are provided with the thermostat
Pipe is connected, and the connecting pipe is connected with piston manometer, and all of electronic pressure gauge is also connected with computer.
The device once can be entered to branched electronic pressure gauge simultaneously by setting branched electronic pressure gauge in thermostat
Row staking-out work, so that can be improved and demarcated efficiency with stringent synchronization with a batch of demarcation environment, process and parameter, reduces
Product cost.
Used as preferred scheme of the invention, the thermostat includes baking oven and high-low temperature chamber.When production high-temperature electronic pressure
Power timing, then provide the environment of constant temperature using baking oven, when production normal temperature electron pressure timing, is then provided using high-low temperature chamber
The environment of constant temperature, so can complete the staking-out work of two kinds of electronic pressure gauge.
As preferred scheme of the invention, fixed seat is provided with the thermostat, the fixed seat is provided with multiple use
In the pressure gauge mounting hole for installing electronic pressure gauge, it is connected after being interconnected between all mounting holes and with connecting pipe.Electronics pressure
Power meter is installed in thermostat by fixed seat, while multiple mounting holes are set in fixed seat, it is so convenient by branched electricity
Sub- pressure gauge is fixed in thermostat demarcate simultaneously.
Used as preferred scheme of the invention, the pilot tube end is connected with pressure head, and pressure cap is arranged with outside the pressure head, described
Pressure cap is provided with the screw thread being adapted with the junction in piston manometer, fixed seat.
Used as preferred scheme of the invention, the pressure head is provided with sealing gasket with piston manometer, the faying face of fixed seat.
Used as preferred scheme of the invention, the sealing gasket is red copper pad.Due to red copper pad soft material, by pressure head
Extruding after can be deformed, you can realize sealing effectiveness, while red copper pad can bear temperature and pressure higher, will not go out
Now cause the situation of seal failure because of HTHP.
In sum, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
By setting branched electronic pressure gauge in thermostat, branched electronic pressure gauge can be demarcated simultaneously once
Work so that can be improved and demarcate efficiency with stringent synchronization with a batch of demarcation environment, process and parameter, reduce product into
This.
Brief description of the drawings
Fig. 1 is downhole electronic pressure bomb caliberating device schematic diagram of the present invention.
Fig. 2 is connecting pipe component diagram in Fig. 1.
Fig. 3 is fixed seat stereogram in Fig. 1.
Fig. 4 is fixed seat sectional view in Fig. 1.
Fig. 5 is pressure head sectional view in Fig. 2.
Fig. 6 is pressure cap sectional view in Fig. 2.
Marked in figure：1- testing stands, 2- piston manometers, 3- pilot tube assemblies, 31- connecting pipes, 32- pressure heads, 321- sinks
Hole, 322- compression plates, 33- pressure caps, 331- external screw threads, 332- tightens portion, 34- sealing gaskets, 4- thermostats, 5- electron pressures
Meter, 6- fixed seats, 61- pressure gauge mounting holes, 62- connecting holes.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
Embodiment
The present invention provides a kind of downhole electronic pressure bomb caliberating device；
As shown in figure 1, the downhole electronic pressure bomb caliberating device in the present embodiment, including be installed on testing stand 1 and with
Thermostat 4 and piston manometer 2 that computer is connected, the pressure limit that piston manometer 2 is provided are 0MPa~210MPa,
Three electronic pressure gauges 5 are installed, all of electronic pressure gauge 5 passes through pilot tube assembly with piston manometer 2 in thermostat 4
3 are connected, and all of electronic pressure gauge 5 is also connected with computer.
The device once can be entered to branched electronic pressure gauge simultaneously by setting branched electronic pressure gauge in thermostat
Row staking-out work, so that can be improved and demarcated efficiency with stringent synchronization with a batch of demarcation environment, process and parameter, reduces
Product cost.
In the present embodiment, the thermostat 4 includes baking oven and high-low temperature chamber, and the temperature range that wherein baking oven is provided is normal
Temperature~260 DEG C, the temperature range that high-low temperature chamber is provided is -70 DEG C~150 DEG C.When production high-temperature electronic pressure gauge (operating temperature
More than 150 DEG C), then the environment of constant temperature is provided using baking oven, when production normal temperature electronic pressure gauge, (operating temperature is less than or equal to
150 DEG C), then the environment of constant temperature is provided using high-low temperature chamber, so can complete the mark of two kinds of electronic pressure gauge
Fixed work.
As shown in Figure 3 and Figure 4, in the present embodiment, fixed seat 6 is installed in the thermostat 4, in the fixed seat 6
Three pressure gauge mounting holes 61 for installing electronic pressure gauge 5 are provided with, after being interconnected between all pressure gauge mounting holes 61
And be connected with pilot tube assembly 3 by connecting hole 62.Electronic pressure gauge is installed in thermostat by fixed seat, while solid
Multiple pressure gauge mounting holes are set in reservation, and so convenient branched electronic pressure gauge is fixed in thermostat is carried out together
When demarcate.
As shown in Figure 2, Figure 5 and Figure 6, in the present embodiment, the pilot tube assembly 3 includes connecting pipe 31, pressure head 32 and pressure
Cap 33, one end of pressure head 32 is provided with the counterbore 321 being adapted with the external diameter of connecting pipe 31, and the other end of pressure head 32 is provided with compression plate 322,
The external diameter of compression plate 322 is less than the screwed hole size of junction in piston manometer 2, fixed seat 6, so that pressure head 32 can be at this
Smoothly taken out in screwed hole, pressure cap 33 is arranged with outside the pressure head 32, the pressure cap 33 is externally provided with and piston manometer 2, fixation
The external screw thread 331 that the screwed hole of junction is adapted on seat 6, the end of pressure cap 33 is provided with the portion of tightening 332, and this tightens portion 332 can
To be designed as outer-hexagonal shape.After pressure cap 33 is enclosed within outside pressure head 32, the end of connecting pipe 31 is stretched into the counterbore 321 of the end of pressure head 32
After interior, connecting pipe 31 and pressure head 32 are welded together.
In the present embodiment, compression plate 322 and the faying face of piston manometer 2, fixed seat 6 of the end of the pressure head 32 are provided with
Sealing gasket 34, preferably red copper pad.Due to red copper pad soft material, can be deformed after the extruding by pressure head, you can real
Existing sealing effectiveness, while red copper pad can bear temperature and pressure higher, be not in cause sealing to be lost because of HTHP
The situation of effect.
Specifically, electronic pressure gauge nominal data at different temperatures is determined, specific practice is:Operation thermostat,
Temperature in thermostat is set to a certain temperature T, after constant 3 hours, several pressure spots is demarcated, such as 0MPa, 20MPa,
40MPa, 60MPa, 80MPa etc.；Operation thermostat, △ T are gradually changed at certain intervals to make the temperature in thermostat, constant
After 3 hours, several pressure spots, such as 0MPa, 20MPa, 40MPa, 60MPa, 80MPa etc. are demarcated in repetition；It is repeated in T+ △ T, T
Output calibration value when+2 △ T, T+3 △ T ..., eventually forms electronic pressure gauge and is demarcating temperature range and nominal pressure scope
Whole nominal datas.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in original of the invention
Any modification, equivalent and improvement for being made within reason etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of downhole electronic pressure bomb caliberating device, it is characterised in that including the thermostat being connected with computer and work
Plug pressure gauge, is provided with multiple pressure interfaces for installing electronic pressure gauge, multiple pressure interfaces in the thermostat
Connected with same connecting pipe, the connecting pipe is connected with piston manometer, all of electronic pressure gauge is also connected with computer.
2. downhole electronic pressure bomb caliberating device according to claim 1, it is characterised in that the thermostat includes drying
Case and high-low temperature chamber.
3. downhole electronic pressure bomb caliberating device according to claim 2, it is characterised in that be provided with the thermostat
Fixed seat, the fixed seat is provided with multiple pressure gauge mounting holes for installing electronic pressure gauge, all pressure gauge mounting holes
Between be interconnected after and be connected with connecting pipe.
4. downhole electronic pressure bomb caliberating device according to claim 3, it is characterised in that the pilot tube end is connected with
Pressure head, is arranged with pressure cap outside the pressure head, the pressure cap is provided with what is be adapted with the junction in piston manometer, fixed seat
Screw thread.
5. downhole electronic pressure bomb caliberating device according to claim 4, it is characterised in that the pressure head and piston pressure
Meter, the faying face of fixed seat are provided with sealing gasket.
6. downhole electronic pressure bomb caliberating device according to claim 5, it is characterised in that the sealing gasket is red copper
Pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039581.3A CN106768629A (en) | 2017-01-19 | 2017-01-19 | A kind of downhole electronic pressure bomb caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039581.3A CN106768629A (en) | 2017-01-19 | 2017-01-19 | A kind of downhole electronic pressure bomb caliberating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106768629A true CN106768629A (en) | 2017-05-31 |
Family
ID=58944568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710039581.3A Pending CN106768629A (en) | 2017-01-19 | 2017-01-19 | A kind of downhole electronic pressure bomb caliberating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106768629A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693209A (en) * | 2020-05-20 | 2020-09-22 | 中海油田服务股份有限公司 | Test device for annulus pressure sensor of pressure measurement while drilling instrument |
| CN112710425A (en) * | 2020-12-18 | 2021-04-27 | 哈尔滨华云泰科传感技术有限公司 | Calibration system and calibration method for batch production of air pressure sensors |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203116908U (en) * | 2013-02-26 | 2013-08-07 | 北京阿达尔石油技术有限责任公司 | Calibration system for pressure meters |
| CN204177525U (en) * | 2014-10-22 | 2015-02-25 | 贵州航天凯山石油仪器有限公司 | A kind of radial pressure for underground quantity production mandrel demarcates dress |
| CN205228718U (en) * | 2015-12-22 | 2016-05-11 | 成都璨宇科技有限公司 | Electron pressure meter testing arrangement |
| CN206399589U (en) * | 2017-01-19 | 2017-08-11 | 成都海川高科科技有限公司 | A kind of downhole electronic pressure bomb caliberating device |
-
2017
- 2017-01-19 CN CN201710039581.3A patent/CN106768629A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203116908U (en) * | 2013-02-26 | 2013-08-07 | 北京阿达尔石油技术有限责任公司 | Calibration system for pressure meters |
| CN204177525U (en) * | 2014-10-22 | 2015-02-25 | 贵州航天凯山石油仪器有限公司 | A kind of radial pressure for underground quantity production mandrel demarcates dress |
| CN205228718U (en) * | 2015-12-22 | 2016-05-11 | 成都璨宇科技有限公司 | Electron pressure meter testing arrangement |
| CN206399589U (en) * | 2017-01-19 | 2017-08-11 | 成都海川高科科技有限公司 | A kind of downhole electronic pressure bomb caliberating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693209A (en) * | 2020-05-20 | 2020-09-22 | 中海油田服务股份有限公司 | Test device for annulus pressure sensor of pressure measurement while drilling instrument |
| CN112710425A (en) * | 2020-12-18 | 2021-04-27 | 哈尔滨华云泰科传感技术有限公司 | Calibration system and calibration method for batch production of air pressure sensors |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |