CN209430187U - A kind of non-maintaining three parameter logging instruments device - Google Patents
A kind of non-maintaining three parameter logging instruments device Download PDFInfo
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- CN209430187U CN209430187U CN201821840315.7U CN201821840315U CN209430187U CN 209430187 U CN209430187 U CN 209430187U CN 201821840315 U CN201821840315 U CN 201821840315U CN 209430187 U CN209430187 U CN 209430187U
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Abstract
The utility model discloses a kind of non-maintaining three parameter logging instruments devices, belong to logger technical field.Including sensor housing, top connection, tension sensor, temperature sensor and resistivity sensor, tension sensor is mounted in sensor shell body, further includes balance shaft and balance shell, and balance shaft is connect with tension sensor upper end and top connection；Balance shell is set in outside balance shaft, sensor housing and top connection, and is fixedly connected with sensor housing and top connection.The utility model is not subject to very high stratum static pressure, the stability and insulating properties of sensor is greatly improved without frequent repairing maintenance probe, tension sensor, and pressure measurement is more reliable, temperature measurement sensitivity is higher；So that it is had higher environmental suitability than general common three parameter of oil-filling type, possesses more long service life, and structure is more simplified, further reduce the length of instrument.
Description
Technical field
The utility model belongs to logger technical field, and in particular to a kind of non-maintaining three parameter logging instruments device.
Background technique
In the prior art, since tension sensor is immersed directly in oil, the foil gauge on sensor is by stratum static pressure shadow
It rings and degumming, fracture or insulation decline etc., leads to tension sensor failure or unstable, influence the progress that instrument is normally logged well.
Moreover, three parameter oiling processes are complex, special oiling tool is needed, is difficult to complete at well logging scene, instrument maintenance is not
It is convenient.Tension sensor mostly uses import tension sensor at present, and price is higher, if tension sensor damages in well logging
It is bad, it needs to spend higher maintenance and maintenance cost, considerably increases the cost of well logging.
Utility model content
The utility model provides a kind of non-maintaining three parameter logging instruments device, avoids tension sensor by stratum static pressure
It influences, reduces instrument failure rate, improve success log ratio, and apparatus structure is simple, it is easy to maintain.
A kind of non-maintaining three parameter logging instruments device, including sensor housing, top connection, tension sensor, temperature sensor
And resistivity sensor, tension sensor are mounted in sensor shell body, further include balance shaft and balance shell, balance shaft with
Force snesor upper end is connected with top connection；Balance shell be set in outside balance shaft, sensor housing and top connection, and with sensing
Device shell is fixedly connected with top connection.
Further, the balance shaft includes balance shaft top, balance shaft middle part, balance shaft lower part, balances shell packet
Balance upper housing, balance first shell, balance second shell and balance lower case are included, balance first shell is set in balance shaft
Portion, and be tightly connected with it；Balance second shell is set in the middle part of balance shaft, and is tightly connected with it；Balance shaft top with it is upper
Connector is fixed and is tightly connected；Balance shaft lower part and sensor housing are tightly connected.
Further, lower end surface, sensor housing upper surface, top connection in the middle part of balance shaft are corresponded on the balance shell
Lower end surface, balance are equipped with balance hole at the position of first shell upper surface.
Further, the balance shell is corresponded to and is set at lower end surface and sensor housing upper surface position in the middle part of balance shaft
There is the first balance hole；Balance shell corresponds to top connection lower end surface, balance is equipped with the second balance hole at the position of first shell upper surface.
Further, the balance shaft upper diameter is D1, balance shaft mid diameter is D2, balance shaft lower diameter is
D4, D1、D2、D4Meet:
Further, the top connection upper end is equipped with upper hermetically sealed connector, and sensor housing lower end is equipped with lower sealing and connects
Plug-in unit.
Further, the temperature sensor is mounted on outside sensor housing, and passes through sealing ring and sensor
Housing seal connection.
Further, it is equipped with pressing plate outside the temperature sensor, pressing plate is pressed in outside temperature sensor, sensor outer housing
It is equipped with temperature sensor protecting cover, pressing plate and temperature sensor protecting cover and is fixedly connected by volume pin with sensor housing, passed
Sensor shell is equipped with fluid channel.
Further, the resistivity sensor and sensor housing are tightly connected by sealing ring, resistivity sensing
Device top is equipped with retainer ring, and sensor housing is equipped with card collar groove, and retainer ring is fastened in card collar groove.
Further, the resistivity sensor uses integrally formed pressure-bearing coin shape sensor.
The utility model does not have to bear very high stratum static pressure without frequent repairing maintenance probe, tension sensor, in this way
The stability and insulating properties of sensor can be greatly improved；Pressure measurement is more reliable, temperature measurement sensitivity is higher；Make its ratio
General common three parameter of oil-filling type has higher environmental suitability, possesses more long service life, and structure is more simplified,
Further reduce the length of instrument；And temperature sensor and resistivity sensor can bear down-hole pressure, mend without pressure
It repays.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model temperature sensor and resistivity sensor structural schematic diagram；
Fig. 3 is resistivity sensor mounting structure schematic diagram；
Fig. 4 is temperature sensor and resistivity sensor structure sectional view；
Fig. 5 is the utility model stress analysis schematic diagram；
Wherein: 1- top connection；2- balances upper housing；3- top connection lower end surface；4- balances first shell upper surface；5- is flat
Weigh first shell；6- balances shell；7- balances second shell；8- balances lower case；9- sensor housing；10- tension sensing
Device；Hermetically sealed connector under 11-；12- tension sensor mounting hole；13- balance shaft lower part；14- sensor housing upper surface；15-
Lower end surface in the middle part of balance shaft；In the middle part of 16- balance shaft；The first balance hole of 17-；18- balances second shell lower end surface；19- balance shaft
Middle part upper surface；20- balances first shell lower end surface；The second balance hole of 21-；22- balance shaft；23- balance shaft top；On 24-
Hermetically sealed connector；25- temperature sensor；26- resistivity sensor；27- temperature sensor protecting cover；28- fluid channel；29-
Pressing plate；30- retainer ring；31- card collar groove.
Specific embodiment
The technical solution of the utility model is further described with reference to the accompanying drawings of the specification.
A kind of non-maintaining three parameter logging instruments device, as shown in Figures 1 to 5, including top connection 1, balance shell 6, balance shaft
22, tension sensor 10 and sensor housing 9,1 upper end of top connection are equipped with hermetically sealed connector 24,9 lower end of sensor housing
Lower hermetically sealed connector 11 is installed, sensor housing 9 is equipped with temperature sensor 25 and resistivity sensor 26.Tension sensor
10 are mounted in sensor housing 9, and lower end is threadedly coupled with sensor housing 9,10 upper end of tension sensor and balance shaft
22 are threadedly coupled.
22 outer cover of balance shaft is equipped with balance shell 6, and balance shaft 22 is followed successively by balance shaft top 23, balance shaft from top to bottom
Middle part 16 and balance shaft lower part 13, the diameter on balance shaft top 23 are D1, the diameter at balance shaft middle part 16 is D2, balance shaft lower part
13 diameter is D4.Balance shell 6 is from top to bottom followed successively by balance upper housing 2, balance first shell 5, balance second shell 7
With balance lower case 8, balance shaft 22 and balance shell 6 are structure as a whole.13 center of balance shaft lower part is equipped with tension sensor
Mounting hole 12,10 top of tension sensor are mounted in tension sensor mounting hole 12, and are connected with 13 screw thread of balance shaft lower part
It connects.Sensor housing 9 is set in outside balance shaft lower part 13, is tightly connected by sealing ring, and sensor housing upper surface 14
There are first gaps with lower end surface 15 in the middle part of balance shaft.
Balance shell 6 is set in outside balance shaft 22 and sensor housing 9, balance shaft top 23 and balance first shell 5
It is tightly connected by sealing ring, 16 are tightly connected with balance second shell 7 by sealing ring in the middle part of balance shaft, on balance shaft middle part
Second gap is formed between end face 19 and balance first shell lower end surface 20.Balance lower case 8 and sensor housing 9 pass through bolt
Or screw is fixedly connected.It balances lower case 8 and is equipped with the first balance hole 17, lower end surface 15 and sensor in the middle part of corresponding balance shaft
14 position of shell upper surface, then lower end surface 15 and sensor housing upper surface 14 are acted on by down-hole pressure in the middle part of balance shaft.
Top connection 1 is set in balance shaft top 23, is threadably secured connection, and is equipped with sealing ring and seals, in balance
Shell 2 is set in outside top connection 1, and is fixedly connected by screw or screw.It balances upper housing 2 and is equipped with the second balance
Hole 21 corresponds to top connection lower end surface 3 and balance 4 position of first shell upper surface, then top connection lower end surface 3 and balance first shell
Upper surface 4 is acted on by down-hole pressure.
Temperature sensor 25 and resistivity sensor 26 are installed on sensor outer housing 9, and can bear down-hole pressure, temperature
It spends sensor 25 and sensor housing 9 to be tightly connected by sealing ring, pressing plate 29 is equipped with outside temperature sensor 25, pressing plate 29 is pressed
Outside temperature sensor 25, sensor outer housing 9 is equipped with temperature sensor protecting cover 27, prevents underground sundries from hitting damage temperature
Sensor 25, pressing plate 29 and temperature sensor protecting cover 27 are fixedly connected by rolling up pin with sensor housing 9, temperature sensor
27 top of protective cover is fixedly connected by screw with sensor housing 9, and sensor housing 9 is equipped with fluid channel 28, is convenient for liquid
Body circulation.
Resistivity sensor 26 and sensor housing 9 are tightly connected by sealing ring, and resistivity sensor 26 is using one
Molding pressure-bearing coin shape sensor, 26 top of resistivity sensor are equipped with retainer ring 30, and sensor housing 9 is equipped with card collar groove
31, retainer ring 30 is fastened in card collar groove 31.
The diameter on balance shaft top 23 is D1, 16 diameters of balance shaft middle part are D2, 13 diameter of balance shaft lower part is D4, instrument
Outer diameter is D3。
10 upper end of tension sensor and balance shaft connected to it 22,1 stress F of top connectionOnAnalysis:
If underground hydraulic pressure is P, 1 upper surface stress of top connection is F5；1 lower end surface stress of top connection is F6；On in the middle part of balance shaft
19 stress of end face is F7；15 stress of lower end surface is F in the middle part of balance shaft8；10 upper end of tension sensor and balance shaft connected to it
22,1 stress of top connection:
FOn=F5+F6+F7+F8 (1)
1 upper surface stress of top connection:
1 lower end surface stress of top connection:
Since Second gap seals, so its interior pressure is 0,19 stress of upper surface in the middle part of balance shaft:
F7=0 (4)
15 stress of lower end surface in the middle part of balance shaft:
Then:
So working asWhen, FOn=0,10 upper end of tension sensor and balance shaft connected to it 22,
Top connection 1 is zero by hydraulic caused axial direction with joint efforts, and expression is zero to the active force of tension sensor 10.
To 10 lower end of tension sensor and sensor housing connected to it 9, balance 6 force analysis of shell:
If balance 4 stress of first shell upper surface is F1；Balance 18 stress F of second shell lower end surface2；Under sensor housing 9
End stress is F3；14 stress of sensor housing upper surface is F4；Balance 20 stress of first shell lower end surface is F9；Tension sensor
10 lower ends and sensor housing connected to it 9, balance 6 stress of shell:
FUnder=F1+F2+F3+F4+F9；
Balance 4 stress of first shell upper surface:
Balance 18 stress of second shell lower end surface:
9 lower end stress of sensor housing:
14 stress of sensor housing upper surface:
Since Second gap seals, so its interior pressure is 0,20 stress F of first shell lower end surface is balanced9=F7=0:
SoWhen, FUnder=0, if 10 lower end of tension sensor and sensor housing 9, balance shell
Body 6 is zero by hydraulic caused axial direction with joint efforts, then it represents that the active force to tension sensor 10 is also zero.Therefore, D1、D2、D4It is full
Foot
Tension sensor 10 is not influenced by underground hydraulic pressure, is immersed in oil without that will open pressure sensor 10.
According to the requirement of formula (12) and instrument outer diameter and pressure-bearing, D is selected1Having a size of 42.27mm, D2Having a size of
63.93mm D4For 47.93mm.
Claims (10)
1. a kind of non-maintaining three parameter logging instruments device, including top connection (1), sensor housing (9), tension sensor (10), temperature
Sensor (25) and resistivity sensor (26) are spent, tension sensor (10) is mounted in sensor housing (9), it is characterised in that
It further include balance shaft (22) and balance shell (6), balance shaft (22) is connect with tension sensor (10) upper end and top connection (1)；
Balance shell (6) is set in balance shaft (22), outside sensor housing (9) and top connection (1), and with sensor housing (9) and
Top connection (1) is fixedly connected.
2. the non-maintaining three parameter logging instruments device of one kind according to claim 1, it is characterised in that the balance shaft (22)
Including (16), balance shaft lower part (13) in the middle part of balance shaft top (23), balance shaft, balance shell (6) includes balance upper housing
(2), first shell (5), balance second shell (7) and balance lower case (8) are balanced, balance first shell (5) is set in balance
Axis top (23), and be tightly connected with it；Balance second shell (7) is set in the middle part of balance shaft (16), and is tightly connected with it；
Balance shaft top (23) is fixed with top connection (1) and is tightly connected；Balance shaft lower part (13) and sensor housing (9) sealing connect
It connects.
3. the non-maintaining three parameter logging instruments device of one kind according to claim 2, it is characterised in that the balance shell (6)
Lower end surface (15), sensor housing upper surface (14), top connection lower end surface (3), balance first shell in the middle part of upper corresponding balance shaft
Balance hole is equipped at upper surface (4) position.
4. the non-maintaining three parameter logging instruments device of one kind according to claim 3, it is characterised in that the balance shell (6)
The first balance hole (17) are equipped at lower end surface (15) and sensor housing (9) upper surface position in the middle part of corresponding balance shaft；Balance shell
Body (9) corresponding top connection lower end surface (3), balance are equipped with the second balance hole (21) at first shell upper surface (4) position.
5. the non-maintaining three parameter logging instruments device of one kind according to claim 4, it is characterised in that the balance shaft top
(23) diameter is D1, balance shaft middle part (16) diameter is D2, balance shaft lower part (13) diameter is D4, D1、D2、D4Meet:
6. the non-maintaining three parameter logging instruments device of one kind according to claim 1, it is characterised in that in the top connection (1)
End is equipped with upper hermetically sealed connector (24), and sensor housing (9) lower end is equipped with lower hermetically sealed connector (11).
7. the non-maintaining three parameter logging instruments device of one kind according to claim 1, it is characterised in that the temperature sensor
(25) it is external to be mounted on sensor housing (9), and be tightly connected by sealing ring and sensor housing (9).
8. the non-maintaining three parameter logging instruments device of one kind according to claim 7, it is characterised in that the temperature sensor
(25) external to be equipped with pressing plate (29), pressing plate (29) is pressed in temperature sensor (25) outside, and sensor outer housing (9) is equipped with temperature sensing
Device protective cover (27), pressing plate (29) and temperature sensor protecting cover (27) are fixedly connected by rolling up pin with sensor housing (9), are passed
Sensor shell (9) is equipped with fluid channel (28).
9. the non-maintaining three parameter logging instruments device of one kind according to claim 1, it is characterised in that the resistivity sensing
Device (26) and sensor housing (9) are tightly connected by sealing ring, and resistivity sensor (26) top is equipped with retainer ring (30), sensing
Device shell (9) is equipped with card collar groove (31), and retainer ring (30) is fastened in card collar groove (31).
10. the non-maintaining three parameter logging instruments device of one kind according to any one of claims 1 to 9, it is characterised in that the electricity
Resistance rate sensor (26) uses integrally formed pressure-bearing coin shape sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821840315.7U CN209430187U (en) | 2018-11-08 | 2018-11-08 | A kind of non-maintaining three parameter logging instruments device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821840315.7U CN209430187U (en) | 2018-11-08 | 2018-11-08 | A kind of non-maintaining three parameter logging instruments device |
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| Publication Number | Publication Date |
|---|---|
| CN209430187U true CN209430187U (en) | 2019-09-24 |
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ID=67967200
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821840315.7U Active CN209430187U (en) | 2018-11-08 | 2018-11-08 | A kind of non-maintaining three parameter logging instruments device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781093A (en) * | 2020-07-06 | 2020-10-16 | 中国石油天然气集团有限公司 | Telescopic multifunctional drilling fluid detection device |
| CN111997590A (en) * | 2020-09-09 | 2020-11-27 | 中国石油天然气集团有限公司 | Tension nipple for logging instrument |
-
2018
- 2018-11-08 CN CN201821840315.7U patent/CN209430187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781093A (en) * | 2020-07-06 | 2020-10-16 | 中国石油天然气集团有限公司 | Telescopic multifunctional drilling fluid detection device |
| CN111997590A (en) * | 2020-09-09 | 2020-11-27 | 中国石油天然气集团有限公司 | Tension nipple for logging instrument |
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