CN203547707U - Logging instrument with improved mechanical structure and suitable for high-temperature and high-pressure slim-hole oil-gas well detection - Google Patents
Logging instrument with improved mechanical structure and suitable for high-temperature and high-pressure slim-hole oil-gas well detection Download PDFInfo
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- CN203547707U CN203547707U CN201320550302.7U CN201320550302U CN203547707U CN 203547707 U CN203547707 U CN 203547707U CN 201320550302 U CN201320550302 U CN 201320550302U CN 203547707 U CN203547707 U CN 203547707U
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- pipe nipple
- lower contact
- transformer
- logging instrument
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Abstract
The utility model discloses a logging instrument with an improved mechanical structure and suitable for high-temperature and high-pressure slim-hole oil-gas well detection. The logging instrument comprises an instrument housing, an instrument upper joint, a vacuum flask pup joint, a power supply module pup joint, a transformer pup joint (b), (/b) and an instrument lower joint, wherein the instrument housing is provided with a first open end and a second open end along an axial direction; the instrument upper joint is connected to the first end of the instrument housing by means of airtight seal, and a first multi-core electrical connector is arranged in the instrument upper joint; the electronic circuit pup joint of the logging instrument is arranged in the vacuum flask sleeve of the vacuum flask pup joint and electrically connected with the first multi-core electrical connector in the instrument upper joint; the instrument upper joint is connected to the second end of the instrument housing by means of airtight seal; the vacuum flask pup joint, the power supply module pup joint, the transformer and the instrument lower joint are serially arranged in the instrument housing in sequence from top to bottom.
Description
Technical field
The utility model relates to geophysical probing technique, relates to particularly the logging instrument of surveying for Oil/gas Well.
Background technology
As everyone knows, global energy demand is huge, and in the current and following quite a long time, most of energy demand in the whole world still must rely on fossil fuel to meet.Therefore, gas industries need to be strengthened exploration and development activity and meets following energy demand.
Yet, find and develop new oil-gas reservoir and be faced with a series of challenge, for example, in current oil-gas exploration and development process, the ultradeep well of the HTHP slim-hole of appearance is more and more.And the environment of this HTHP slim-hole can propose certain specific (special) requirements to the required technology of Reservoir Development.
Current, the external diameter of prior art logging instrument is large (generally more than Φ 92mm) conventionally, has seriously limited the scope of application of logging instrument.Such logging instrument has not only been difficult to the test assignment of casing damaged well, and must after oil pipe is taken out in operation, just can test before well logging.In the serious well section of distortion, such logging instrument usually also can be hindered, and does not detect deformation point or admission less than complete well-log information.And such logging instrument can not be applicable to those distortion wells with slim-hole more.
In addition, the logging instrument of prior art is also due to the restriction of electronic devices and components, some mechanical material serviceability temperature etc., the high-temperature resistant that makes them be only conventionally 175 ℃ of left and right, maximum withstand voltage be only 140Mpa left and right conventionally.Such logging instrument can not meet the demand of superhigh temperature, super-pressure, slim-hole well logging construction.
Utility model content
An object of the present utility model is that a kind of logging instrument that HTHP slim-hole Oil/gas Well is surveyed that is applicable to will be provided.
A further object of the present utility model is to make logging instrument have certain simplification aspect assembling, maintenance.
Of the present utility model one further object be to make logging instrument more durable, reliable.
For this reason, the utility model provides a kind of logging instrument of surveying for Oil/gas Well, comprising: tool housing, and it in axial direction has first end and second end of opening; Instrument top connection, it is connected to the first end of described tool housing gas-tight seally, and is wherein provided with the first multicore electrical connector; Vacuum flask pipe nipple, the electronic cartridge of described logging instrument is arranged in the insulation bottle cover of described vacuum flask pipe nipple, and is at least electrically connected to the first multicore electrical connector in described instrument top connection; Power module pipe nipple; Transformer pipe nipple; With instrument lower contact, it is connected to the second end of described tool housing gas-tight seally, and wherein, described vacuum flask pipe nipple, described power module pipe nipple, described transformer pipe nipple successively from top to down series connection are arranged in described tool housing.
Preferably, the adjacent end portion of described vacuum flask pipe nipple, described power module pipe nipple, described transformer pipe nipple is socketed successively and is fixed together and is formed a whole instrument mandrel by radial screw.
Preferably, described instrument lower contact is screwed and is connected with described tool housing by screw thread; And described instrument top connection screws and be connected with described tool housing by screw thread, and a part for described instrument top connection stretches in described tool housing, compresses residence and states instrument mandrel.
Preferably, be provided with a whole vacuum flask pipe nipple mandrel in described insulation bottle cover, described vacuum flask pipe nipple mandrel comprises the heat insulation spring being permanently connected successively together, upper absorber, electronic cartridge, multi-pin connector, multi-core socket and lower absorber; The lower end of described vacuum flask pipe nipple mandrel screws in described insulation bottle cover by the external screw thread on described lower absorber; And the upper end of described insulation bottle cover is by screw thread end cap termination, a part for described screw thread end cap stretches in described insulation bottle cover, compresses residence and states vacuum flask pipe nipple mandrel.
Preferably, spring base and transformer lower contact are equipped with in the lower end of described transformer pipe nipple, between described spring base and described transformer lower contact, are provided with axial compression spring.
Preferably, described spring base has the center outrigger shaft to downward-extension; Described axial compression spring arranges around described center outrigger shaft; And between described center outrigger shaft and the interior diapire of described transformer lower contact, at least at described axial compression spring, there is spacing in the raw time.
Preferably, on the axially extended sidewall of described transformer lower contact, have two radially relative, axially extended chutes; And described transformer lower contact is by being radially connected to slidably the end portion of the center outrigger shaft of described spring base through the spiral shell volume pin of described chute.
Preferably, on the lateral wall of described transformer lower contact, be provided with axially extended positioning key; On the inner hole wall of described instrument lower contact, be provided with positioning spline; And the positioning key in described transformer lower contact matches with the positioning spline in described instrument lower contact.
Preferably, in described instrument lower contact, be provided with the second multicore electrical connector.
Logging instrument of the present utility model, owing to having adopted novel frame for movement, has promoted the heat resisting and pressure resisting index of logging instrument greatly, can meet the well logging construction operation demand of HTHP or even superhigh temperature super-pressure slim-hole Oil/gas Well.Particularly, the high-temperature resistant of the utility model logging instrument can be up to 220 ℃, the highest withstand voltage can be up to 175Mpa, and applicable to hole diameter the slim-hole Oil/gas Well below 110mm.
And, logging instrument of the present utility model is not only easy to assembling and maintenance, and can effectively eliminate or improve damage and/or the dismounting difficult problem that logging instrument occurs that in hot environment heat expansion distortion causes, make logging instrument of the present utility model more reliable, durable.
According to below, by reference to the accompanying drawings to the utility model detailed description of preferred embodiment, those skilled in the art will become more clear above-mentioned and other objects, advantage and feature of the present utility model.
Accompanying drawing explanation
Hereinafter will be with reference to accompanying drawing and with exemplary and non-limiting way is described in detail preferred embodiment of the present utility model, in accompanying drawing, identical Reference numeral has indicated same or similar parts or part.It should be appreciated by those skilled in the art that accompanying drawing may not draw by actual ratio.In accompanying drawing:
Fig. 1 shows according to the perspective schematic view of the logging instrument of surveying for Oil/gas Well of an embodiment of the utility model;
Fig. 2 is the schematic side elevation of the top connection of logging instrument shown in Fig. 1;
Fig. 3 is the schematic cross sectional views of top connection shown in the Fig. 2 obtaining along cutting line I-I;
Fig. 4 is the schematic side elevation of the lower contact of logging instrument shown in Fig. 1;
Fig. 5 is the schematic cross sectional views of lower contact shown in the Fig. 4 obtaining along cutting line II-II;
Fig. 6 is the schematic, exploded perspective view of the vacuum flask pipe nipple of logging instrument shown in Fig. 1;
Fig. 7 is the perspective schematic view of the transformer pipe nipple of logging instrument shown in Fig. 1;
Fig. 8 is the perspective schematic view of spring base and the transformer lower contact assembly of the pipe nipple of transformer shown in Fig. 7 lower end.
The specific embodiment
Fig. 1 shows the logging instrument 10 of surveying for Oil/gas Well according to an embodiment of the utility model.In general, logging instrument 10 comprises tool housing 110, instrument top connection 120, vacuum flask pipe nipple 130, power module pipe nipple 140, transformer pipe nipple 150 and instrument lower contact 160.Wherein, vacuum flask pipe nipple 130, power module pipe nipple 140, transformer pipe nipple 150 successively from top to down series connection be arranged in tool housing 110.Preferably, the adjacent end portion of vacuum flask pipe nipple 130, power module pipe nipple 140 and transformer pipe nipple 150 is socketed successively and is fixed together and is formed a whole instrument mandrel and be housed in tool housing 110 by radial screw.
Referring to Fig. 2 and Fig. 3, electrical connection (comprise electric be connected with signal) for the ease of logging instrument 10 with the Other Instruments of its top in ground system or logger string of living in, in instrument top connection 120, be preferably provided with the first multicore electrical connector 121, for example normal pressure 28 core sockets.In instrument top connection 120, preferably also provide a swivel nut draw ring 122 that can rotate with respect to instrument top connection 120.In the upper section 123 of this swivel nut draw ring 122, be provided with external screw thread.When logging instrument 10 docks with other instruments, can only lean on turn swivel nut draw ring 122 to achieve a butt joint, increased the simplicity that the utility model logging instrument uses.
Referring to Fig. 4 and Fig. 5, in instrument lower contact 160, be preferably provided with the second multicore electrical connector 161, normal pressure 28 core plugs for example, to provide being electrically connected to of logging instrument 10 and other below logger in logger string of living in.
Fig. 6 is the schematic, exploded perspective view of the vacuum flask pipe nipple 130 of logging instrument 10.The electronic cartridge of logging instrument 10 is arranged in the insulation bottle cover 131 of vacuum flask pipe nipple 130 and is at least electrically connected to the first multicore electrical connector 121 in instrument top connection 120.
In insulation bottle cover 131, be provided with a whole vacuum flask pipe nipple mandrel.This vacuum flask pipe nipple mandrel comprises heat insulation spring 133, upper absorber 134, electronic cartridge 135, multi-pin connector 136, multi-core socket 137 and lower absorber 138, these parts are permanently connected together successively, for example, by fixing with radial screw after adjacent end portion socket.The lower end of this vacuum flask pipe nipple mandrel can screw by the external screw thread on lower absorber 138 bottom in insulation bottle cover 131.The upper end of insulation bottle cover 131 can be by screw thread end cap 132 terminations.A part for screw thread end cap 132 stretches in insulation bottle cover 131, compresses vacuum flask pipe nipple mandrel, and it is fixed in insulation bottle cover 131.The multi-pin connector 136 arranging in vacuum flask pipe nipple mandrel has been avoided the wire harness of electronic cartridge 135 to be directly connected with power module pipe nipple 140 through vacuum flask pipe nipple 130 with multi-core socket 137, has facilitated Denso and the maintenance of electronic cartridge 135.In one embodiment, multi-pin connector 136 and multi-core socket 137 can be respectively normal pressure 29 core plugs and socket.
Power module pipe nipple 140 is arranged in tool housing 110 adjacent to vacuum flask pipe nipple 130.In various embodiment of the present utility model, can select various suitable power module pipe nipples.The concrete structure of power module pipe nipple, circuit connection and function etc. are well known to a person skilled in the art, herein it are not further repeated.
Fig. 7 is the perspective schematic view of the transformer pipe nipple 150 of logging instrument 10.Transformer pipe nipple 150 is arranged in tool housing 110 adjacent to power module pipe nipple 140.The general structure of transformer pipe nipple, circuit connection, basic function etc. also well known to a person skilled in the art, herein this are not further repeated.At this, it should be noted that the utility model done special improvement to the structure of transformer pipe nipple lower end.
Referring to Fig. 8, in preferred embodiment of the present utility model, spring base 151 and transformer lower contact 154 are preferably equipped with in the lower end of transformer pipe nipple 150.Between spring base 151 and transformer lower contact 154, be provided with axial compression spring 152.Spring base 151 has the center outrigger shaft 153 to downward-extension.Axial compression spring 152 arranges around center outrigger shaft 153.Between center outrigger shaft 153 and the interior diapire of transformer lower contact 154, at least at axial compression spring 152, there is spacing in the raw time.On the axially extended sidewall of transformer lower contact 154, have two radially relative, axially extended chutes 155, it is preferably square circle.Transformer lower contact 154 is by be radially connected to slidably the end portion of spring base 151 center outrigger shaft 153 through the spiral shell volume pin 157 of chute 155, thereby allows in axial direction to carry out relative position slip between spring base 151 and transformer lower contact 154.Like this, going into the well in process of logging instrument 10, just can Compress Spring 152 while being assembled into whole instrument mandrel high-temperature expansion, between spring base 151 and transformer lower contact 154, occur that relative position slides, thereby can avoid whole instrument mandrel to be heated elongated, can not cause the crimp force between instrument top connection 120 and instrument mandrel too large, occur the even problem of deformed damaged of dismounting difficulty.In addition, initial loading timing, is preferably arranged to spring 152 to have certain pre compressed magnitude, and this can play certain locking effect to instrument top connection 120.
In a preferred embodiment, on the lateral wall of transformer lower contact 154, be provided with axially extended positioning key 156, and on the inner hole wall of instrument lower contact 160, be provided with the positioning spline 162(that can coordinate with this positioning key 156 referring to Fig. 5).In this embodiment, when whole instrument mandrel is fitted into tool housing 110, this positioning key 156 in transformer lower contact 154 is inserted in the positioning spline 162 of instrument lower contact 160, thereby can prevent that instrument mandrel from circumferentially rotating in the interior appearance of tool housing 110.
In addition, as shown in Figure 1, logging instrument 10 also can comprise two helmets 170, so as when logging instrument 10 not operation (for example, in transportation or while depositing) respectively removably suit (be for example threaded connection or connected mode that other is suitable) in instrument top connection 120 and instrument lower contact 160, protect.On helmet 170, can provide suitable hoisting ring so that the carrying of logging instrument 10 or lifting.
So far, those skilled in the art will recognize that, although at large illustrate and described a plurality of exemplary preferred embodiment herein, but, in the situation that not departing from the utility model spirit and scope, still can directly determine or derive many other modification or the modification that meets the utility model principle according to the disclosed content of the application.Therefore, scope of the present utility model should be understood and regard as and cover all these other modification or modifications.
Claims (9)
1. a logging instrument of surveying for Oil/gas Well, is characterized in that comprising:
Tool housing, it in axial direction has first end and second end of opening;
Instrument top connection, it is connected to the first end of described tool housing gas-tight seally, and is wherein provided with the first multicore electrical connector;
Vacuum flask pipe nipple, the electronic cartridge of described logging instrument is arranged in the insulation bottle cover of described vacuum flask pipe nipple, and is at least electrically connected to the first multicore electrical connector in described instrument top connection;
Power module pipe nipple;
Transformer pipe nipple; With
Instrument lower contact, it is connected to the second end of described tool housing gas-tight seally,
Wherein, described vacuum flask pipe nipple, described power module pipe nipple, described transformer pipe nipple successively from top to down series connection be arranged in described tool housing.
2. logging instrument according to claim 1, is characterized in that,
The adjacent end portion of described vacuum flask pipe nipple, described power module pipe nipple, described transformer pipe nipple is socketed successively and is fixed together and is formed a whole instrument mandrel by radial screw.
3. logging instrument according to claim 2, is characterized in that,
Described instrument lower contact is screwed and is connected with described tool housing by screw thread; And
Described instrument top connection is screwed and is connected with described tool housing by screw thread, and a part for described instrument top connection stretches in described tool housing, compresses residence and states instrument mandrel.
4. logging instrument according to claim 1, is characterized in that,
In described insulation bottle cover, be provided with a whole vacuum flask pipe nipple mandrel, described vacuum flask pipe nipple mandrel comprises the heat insulation spring being permanently connected successively together, upper absorber, electronic cartridge, multi-pin connector, multi-core socket and lower absorber;
The lower end of described vacuum flask pipe nipple mandrel screws in described insulation bottle cover by the external screw thread on described lower absorber; And
The upper end of described insulation bottle cover is by screw thread end cap termination, and a part for described screw thread end cap stretches in described insulation bottle cover, compresses residence and states vacuum flask pipe nipple mandrel.
5. logging instrument according to claim 1, is characterized in that,
Spring base and transformer lower contact are equipped with in the lower end of described transformer pipe nipple, between described spring base and described transformer lower contact, are provided with axial compression spring.
6. logging instrument according to claim 5, is characterized in that,
Described spring base has the center outrigger shaft to downward-extension;
Described axial compression spring arranges around described center outrigger shaft; And
Between described center outrigger shaft and the interior diapire of described transformer lower contact, at least at described axial compression spring, there is spacing in the raw time.
7. logging instrument according to claim 6, is characterized in that,
On the axially extended sidewall of described transformer lower contact, have two radially relative, axially extended chutes; And
Described transformer lower contact is by being radially connected to slidably the end portion of the center outrigger shaft of described spring base through the spiral shell volume pin of described chute.
8. logging instrument according to claim 7, is characterized in that,
On the lateral wall of described transformer lower contact, be provided with axially extended positioning key;
On the inner hole wall of described instrument lower contact, be provided with positioning spline; And
Positioning key in described transformer lower contact matches with the positioning spline in described instrument lower contact.
9. logging instrument according to claim 1, is characterized in that,
In described instrument lower contact, be provided with the second multicore electrical connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550302.7U CN203547707U (en) | 2013-09-05 | 2013-09-05 | Logging instrument with improved mechanical structure and suitable for high-temperature and high-pressure slim-hole oil-gas well detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550302.7U CN203547707U (en) | 2013-09-05 | 2013-09-05 | Logging instrument with improved mechanical structure and suitable for high-temperature and high-pressure slim-hole oil-gas well detection |
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| Publication Number | Publication Date |
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| CN203547707U true CN203547707U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320550302.7U Expired - Fee Related CN203547707U (en) | 2013-09-05 | 2013-09-05 | Logging instrument with improved mechanical structure and suitable for high-temperature and high-pressure slim-hole oil-gas well detection |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104420863A (en) * | 2013-09-05 | 2015-03-18 | 中国石油集团长城钻探工程有限公司 | Modified mechanical structure logging instrument suitable for detection of high-temperature high-pressure slim-hole oil and gas wells |
| CN105239994A (en) * | 2014-07-11 | 2016-01-13 | 中国石油集团长城钻探工程有限公司 | Transformer short piece and electronic framework used for same |
| CN105298468A (en) * | 2014-07-24 | 2016-02-03 | 中国石油集团长城钻探工程有限公司 | Pressure bearing connector of well logging instrument |
| CN109236270A (en) * | 2018-08-24 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of logging instrument |
| CN114165214A (en) * | 2020-08-19 | 2022-03-11 | 中国石油化工集团有限公司 | Novel high-temperature high-pressure lithology density probe main body |
-
2013
- 2013-09-05 CN CN201320550302.7U patent/CN203547707U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104420863A (en) * | 2013-09-05 | 2015-03-18 | 中国石油集团长城钻探工程有限公司 | Modified mechanical structure logging instrument suitable for detection of high-temperature high-pressure slim-hole oil and gas wells |
| CN105239994A (en) * | 2014-07-11 | 2016-01-13 | 中国石油集团长城钻探工程有限公司 | Transformer short piece and electronic framework used for same |
| CN105298468A (en) * | 2014-07-24 | 2016-02-03 | 中国石油集团长城钻探工程有限公司 | Pressure bearing connector of well logging instrument |
| CN105298468B (en) * | 2014-07-24 | 2020-09-04 | 中国石油集团长城钻探工程有限公司 | Pressure-bearing joint of logging instrument |
| CN109236270A (en) * | 2018-08-24 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of logging instrument |
| CN109236270B (en) * | 2018-08-24 | 2023-11-21 | 中国海洋石油集团有限公司 | Logging instrument |
| CN114165214A (en) * | 2020-08-19 | 2022-03-11 | 中国石油化工集团有限公司 | Novel high-temperature high-pressure lithology density probe main body |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20140905 |
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| EXPY | Termination of patent right or utility model |