CN104373107A - Pressure balance sleeve pushing device of petroleum logging instrument - Google Patents
Pressure balance sleeve pushing device of petroleum logging instrument Download PDFInfo
- Publication number
- CN104373107A CN104373107A CN201410580037.6A CN201410580037A CN104373107A CN 104373107 A CN104373107 A CN 104373107A CN 201410580037 A CN201410580037 A CN 201410580037A CN 104373107 A CN104373107 A CN 104373107A
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- China
- Prior art keywords
- sleeve
- pressure
- connection yoke
- assembly
- installing hole
- Prior art date
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- 239000003208 petroleum Substances 0.000 title abstract 3
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 230000007704 transition Effects 0.000 claims abstract description 13
- 239000003129 oil well Substances 0.000 claims description 19
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sliding-Contact Bearings (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a pressure balance sleeve pushing device of a petroleum logging instrument. The pressure balance sleeve pushing device comprises a cylindrical guide pressure bearing shell, a sliding sleeve component and a movable sealing component, wherein the front end of the guide pressure bearing shell is connected with an electrode system sleeve; and the sliding sleeve component slides back and forth on the guide pressure bearing shell and the electrode system sleeve to enable a force transfer rod to open or close the underground petroleum logging instrument. A first pressure balance chamber and a second pressure balance chamber formed by sealing a transition pressure bearing shell with a pressure bearing sealing plug and a shell at the back end of the logging instrument are respectively arranged at the two ends of the guide pressure bearing shell, and are used for balancing the pressure of an axial balance rod and an axial thrust rod on the sliding sleeve component, so that the sliding sleeve component is not subjected to the resistance in the sliding process. The device is compact in structure, can maintain ideal pressure difference, is not influenced by a sealing pressure space, is convenient for wire arrangement, and can bear the underground high-temperature and high-pressure working conditions.
Description
Technical field
The present invention relates to the servicing unit in oil logging tool, refer to a kind of oil well logging instrument pressure balance backup sleeve arrangement particularly.
Background technology
At present, backup sleeve is applied in increasing logger, and directly affects logging effect.Design for backup sleeve will consider many-sided factor, such as reliability, abrasion resistance, heat-resisting quantity, corrosion resistance, and also will consider the problems such as the sealing of instrument, cabling, wherein the structure of backup sleeve is top-priority.In oil well logging industry, the problem that all appts equipment all faces is exactly the intensification along with oil well depth, and down-hole pressure and temperature all can increase.After pressure on instrument increases,
If uneven inside and outside differential pressure, will form huge pressure differential at backup position, thus produce very large pressure in local, its result often instrument can not normally be pushed open, crosses conference make instrument be out of shape or fracture time serious due to thrust.
Backup sleeve type in tradition is divided into sealed and open two kinds.Sealed structure often adopts and sleeve is hidden in tool housing inside, and sleeve does not contact with external operating environment, can ensure that sleeve is clean, but moves in instrument internal due to sleeve, affect the installation of instrument internal part, and detachable maintaining is inconvenient.Sleeve is directly installed on tool housing by open structure, and sleeve contacts with external operating environment, and along with oil well depth is deepened, down-hole pressure and temperature all can increase, after the pressure on instrument increases,
The slip of sleeve can be affected, cause instrument normally not push open, instrument time serious, also can be made to be out of shape or to fracture.
Summary of the invention
Object of the present invention is exactly to overcome in above-mentioned prior art existing deficiency, provide a kind of simple and compact for structure, desirable pressure reduction can be maintained, not by the impact in sealing load space and cabling oil well logging instrument pressure balance easily backup sleeve arrangement.
For achieving the above object, the oil well logging instrument pressure balance backup sleeve arrangement designed by the present invention, comprise guiding pressure-bearing shell, its special character is:
It is uncovered that described guiding pressure-bearing shell is disposed with front end vertically, middle part seal installing hole, the first gathering sill that back segment is radial through, tail seal part installing hole and rear end mount pad, uncovered termination, described front end is connected with the back-end sealing of transition bearing shell, be provided with for the uncovered pressure bearing and seal plug with multiple wiring core in isolating seal front end in described transition bearing shell, the front end of described transition bearing shell is connected with the electrode system sleeve of logger, described electrode system sleeve is provided with the second radial through gathering sill, described rear end mount pad is connected with the back segment body seal of logger,
Described electrode system sleeve and guiding pressure-bearing shell are set with sliding sleeve assembly, and the two ends of described sliding sleeve assembly are provided with connection yoke assembly; Wherein, the connection yoke component activity of front end is embedded in the second gathering sill, and it is connected with the transmitting axle force bar for promoting logger; The connection yoke component activity of rear end is embedded in the first gathering sill, and it is connected with simultaneously longitudinal balance bar and end thrust bar;
Described longitudinal balance bar through middle part seal installing hole stretch to front end uncovered in, and be provided with dynamic sealing assembly between its shaft and middle part seal installing hole, thus make uncovered the first pressure equalizing chamber forming opposing seal under the coordinated of pressure bearing and seal plug and dynamic sealing assembly in front end; Described end thrust bar extends in the back segment shell of logger through tail seal part installing hole, and be also provided with dynamic sealing assembly between its shaft and tail seal part installing hole, thus form the second pressure equalizing chamber of opposing seal in the cavity enclosed at the back segment shell of rear end mount pad and logger.Like this, balancing pole and the distance rod balance at the first pressure equalizing chamber and the second pressure equalizing chamber external and internal pressure can be ensured.
Further, uncovered termination, described front end is connected with the rear end of sealing ring with transition bearing shell by screw thread; Described rear end mount pad is connected with the back segment shell of logger with sealing ring by screw thread, such hermetically-sealed construction, i.e. economy but also facilitate.
Further, the both sides of the middle part seal installing hole of described guiding pressure-bearing shell, the first gathering sill and tail seal part installing hole are provided with the axially extending bore be connected as a single entity, thus the first pressure equalizing chamber is connected with the second pressure equalizing chamber, completely equal when making the pressure of two pressure equalizing chambers arbitrary.
Again further, described end thrust bar is set with buffer spring and thickness regulating block, between described buffer spring and the land of thickness regulating block on guiding pressure-bearing shell tail end face and end thrust bar.Like this, can prevent that distance rod stroke is excessive causes damage to instrument, and thickness regulating block can change the size of spring force.
Again further, the second gathering sill rear end of described electrode system sleeve is provided with the mud guard preventing muddy water from invading electrode system barrel bore, described mud guard is provided with the cable hole for logger.Like this, can cabling be facilitated, avoid circuit to be exposed in down-hole liquid and cause corrosion.
Again further, described dynamic sealing assembly has the tubular plug on flanged limit, described tubular plug is by being arranged on end cover on its flange and end face screw is fixed on middle part seal installing hole and tail seal part installing hole, described tubular plug outer wall is provided with static sealing ring, the inwall of described tubular plug is provided with dynamic seal ring.Its structure is simple, seals reliable and stable.
Again further, described sliding sleeve assembly comprises pair of end portions annulus sleeve and a pair detachable centre half ring sleeve, described pair of end portions annulus sleeve respectively by half ring sleeve two ends in the middle of being threaded in chimeric shaping a pair, thus is combined into a complete circular sleeve; On the annulus sleeve of described end, radial symmetric is provided with connection yoke installing hole.Its convenient processing, and convenient disassembly.
Again further, described connection yoke assembly comprises connection yoke and lower connection yoke, described upper connection yoke and lower connection yoke connect into entirety by the thrust pin assembly running through its centre bore, and the two ends of this entirety are embedded in the connection yoke installing hole on the annulus sleeve of end respectively; The rear tab of described transmitting axle force bar is sleeved in the middle of the thrust pin assembly of front end connection yoke assembly, and is locked by the upper connection yoke of correspondence and lower connection yoke; The rear tab of described longitudinal balance bar and the front tab of end thrust bar are sleeved in the middle of the thrust pin assembly of rear end connection yoke assembly simultaneously, and are locked by the upper connection yoke of correspondence and lower connection yoke.Like this, facilitate the installation and removal of end thrust bar and longitudinal balance bar, and make connection more firm.
Again further, described upper connection yoke and lower connection yoke are provided with the axially extending bore for reducing liquid resistance.Like this, its liquid resistance in motion process can be effectively reduced.
Again further, on the barrel of described a pair middle half ring sleeve, radial symmetric offers spacer pin gathering sill, the outer wall of described electrode system sleeve is provided with spacer pin, described spacer pin and the axial sliding fit of spacer pin gathering sill.Like this, there are guiding and position-limiting action to sliding sleeve, can make to slide in motion process more steady.
The invention has the advantages that: in backup sleeve arrangement, be designed with the first pressure equalizing chamber and the second pressure equalizing chamber, when being filled with identical medium, the pressure between end thrust bar and longitudinal balance bar can be balanced, less power can realize the horizontal slip of sliding sleeve assembly, thus opens oil logging tool apparatus.Further, in backup sleeve arrangement, be provided with dynamic sealing assembly end thrust bar and longitudinal balance bar are sealed at the volley, ensure that the sealing of two pressure equalizing chambers in motion process.And there is the setting of the pressure bearing and seal plug of multiple wiring core, both can meet the cabling demand of logger, the water under all right barrier wells and greasy dirt, play the effect of insulation protection.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of oil well logging instrument pressure balance backup sleeve arrangement.
Fig. 2 is the assembly structure schematic diagram of sliding sleeve assembly and connection yoke assembly etc. in Fig. 1.
Fig. 3 is the C-C sectional structure schematic diagram in Fig. 2.
Fig. 4 is the D-D sectional structure schematic diagram in Fig. 2.
Fig. 5 is the structural representation of pressure-bearing shell of leading in Fig. 1.
Fig. 6 is the A-A sectional structure schematic diagram in Fig. 5.
Fig. 7 is the B-B sectional structure schematic diagram in Fig. 5.
Fig. 8 is the structural representation of dynamic sealing assembly in Fig. 1.
In figure: transmitting axle force bar 1, sliding sleeve assembly 2 (wherein: annulus sleeve 2.1, half ring sleeve 2.2, connection yoke installing hole 2.3, spacer pin gathering sill 2.4), mud guard 3 (wherein: cable hole 3.1), electrode system sleeve 4 (wherein: the second gathering sill 4.1), spacer pin 5, transition bearing shell 6, pressure bearing and seal plug 7, guiding pressure-bearing shell 8 (wherein: front end uncovered 8.1, middle part seal installing hole 8.2, first gathering sill 8.3, tail seal part installing hole 8.4, rear end mount pad 8.5, axially extending bore 8.6), dynamic sealing assembly 9 (wherein: tubular plug 9a, static sealing ring 9b, end cover 9c, dynamic seal ring 9d, end face screw 9e), longitudinal balance bar 10, connection yoke assembly 11 (wherein: upper connection yoke 11.1, lower connection yoke 11.2, axially extending bore 11.3), thrust pin assembly 12, end thrust bar 13, sealing ring 14, buffer spring 15, thickness regulating block 16, the back segment shell 17 of logger, first pressure equalizing chamber S, second pressure equalizing chamber P.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Oil well logging instrument pressure balance backup sleeve arrangement as shown in the figure, comprise guiding pressure-bearing shell 8, guiding pressure-bearing shell 8 is disposed with front end uncovered 8.1 vertically, middle part seal installing hole 8.2, the first gathering sill 8.3, tail seal part installing hole 8.4 that back segment is radial through, rear end mount pad 8.5.Uncovered 8.1 terminations, front end are connected with the back-end sealing of sealing ring 14 with transition bearing shell 6 by screw thread, the pressure bearing and seal plug 7 with 19 wiring cores for isolating seal front end uncovered 8.1 is provided with in transition bearing shell 6, the front end of transition bearing shell 6 is connected with the electrode system sleeve 4 of logger, electrode system sleeve 4 is provided with the second radial through gathering sill 4.1, rear end mount pad 8.5 to be sealed with the back segment shell 17 of logger by screw thread and sealing ring 14 and is connected, and for convenience of cabling, avoid circuit to be exposed in down-hole liquid and cause corrosion, second gathering sill 4.1 rear end of electrode system sleeve 4 is provided with the mud guard 3 preventing muddy water from invading electrode system sleeve 4 inner chamber, mud guard 3 is provided with the cable hole 3.1 for logger.
Electrode system sleeve 4 and guiding pressure-bearing shell 8 are set with sliding sleeve assembly 2, and the two ends of sliding sleeve assembly 2 are provided with connection yoke assembly 11.Wherein, connection yoke assembly 11 activity of front end is embedded in the second gathering sill 4.1, and it is connected with the transmitting axle force bar 1 for promoting logger.Connection yoke assembly 11 activity of rear end is embedded in the first gathering sill 8.4, and it is connected with simultaneously longitudinal balance bar 10 and end thrust bar 13.
Longitudinal balance bar 10 stretches in front end uncovered 8.1 through middle part seal installing hole 8.2, and be provided with dynamic sealing assembly 9 between its shaft and middle part seal installing hole 8.2, thus make front end uncovered 8.1 under the coordinated of pressure bearing and seal plug 7 and dynamic sealing assembly 9, form the first pressure equalizing chamber S of opposing seal.End thrust bar 13 extends in the back segment shell 17 of logger through tail seal part installing hole 8.4, and be also provided with dynamic sealing assembly 9 between its shaft and tail seal part installing hole 8.4, thus form the second pressure equalizing chamber P of opposing seal in the cavity enclosed at rear end mount pad 8.5 and the back segment shell 17 of logger.
All be consistent at any time for making the pressure between the first pressure equalizing chamber S and the second pressure equalizing chamber P, guiding middle part seal installing hole 8.2, first gathering sill 8.3 of pressure-bearing shell 8 and the both sides of tail seal part installing hole 8.4 are provided with the axially extending bore 8.6 be connected as a single entity, thus the first pressure equalizing chamber S is connected with the second pressure equalizing chamber P.
Damage instrument for preventing end thrust bar 13 from excessively advancing in progradation, end thrust bar 13 is set with buffer spring 15 and thickness regulating block 16, between buffer spring 15 and the land of thickness regulating block 16 on guiding pressure-bearing shell 8 tail end face and end thrust bar 13.
Particularly, dynamic sealing assembly 9 in the present embodiment comprises the tubular plug 9a on flanged limit, tubular plug 9a is fixed on middle part seal installing hole 8.2 and tail seal part installing hole 8.4 by being arranged on end cover 9c on its flange and end face screw 9e, tubular plug 9a outer wall is provided with static sealing ring 9b, the inwall of tubular plug 9a is provided with dynamic seal ring 9d.
Sliding sleeve assembly 2 comprises pair of end portions annulus sleeve 2.1 and a pair detachable centre half ring sleeve 2.2, pair of end portions annulus sleeve 2.1 respectively by half ring sleeve 2.2 two ends in the middle of being threaded in chimeric shaping a pair, thus is combined into a complete circular sleeve; On end annulus sleeve 2.1, radial symmetric is provided with connection yoke installing hole 2.3.On the barrel of a pair middle half ring sleeve 2.2, radial symmetric offers spacer pin gathering sill 2.4, and the outer wall of described electrode system sleeve 4 is provided with spacer pin 5, this spacer pin 5 and spacer pin gathering sill 2.4 axial sliding fit.
Connection yoke assembly 11 comprises connection yoke 11.1 and lower connection yoke 11.2, upper connection yoke 11.1 and lower connection yoke 11.2 connect into entirety by the thrust pin assembly 12 running through its centre bore, and the two ends of this entirety are embedded in the connection yoke installing hole 2.3 on end annulus sleeve 2.1 respectively.The rear tab of transmitting axle force bar 1 is sleeved in the middle of the thrust pin assembly 12 of front end connection yoke assembly 11, and is locked by the upper connection yoke 11.1 of correspondence and lower connection yoke 11.2.In the middle of the thrust pin assembly 12 that the rear tab of longitudinal balance bar 10 and the front tab of end thrust bar 13 are sleeved on rear end connection yoke assembly 11 simultaneously, and locked by the upper connection yoke 11.1 of correspondence and lower connection yoke 11.2.Upper connection yoke 11.1 and lower connection yoke 11.2 are also provided with the axially extending bore 11.3 for reducing liquid resistance.
Running of the present invention is as follows: make end thrust bar 13 drive one group of connection yoke assembly 11 together with longitudinal balance bar 10 to left movement when extraneous motor rotates forward, connection yoke assembly 11 drives sliding sleeve assembly 2 to move together simultaneously, now sliding sleeve assembly 2 on shell to left movement, sliding sleeve assembly 2 drives another group connection yoke assembly 11 to move, this connection yoke assembly 11 is connected with transmitting axle force bar 1, transmitting axle force bar 1 is also to left movement, whole process completes the transmission of power, and end thrust bar 13 and longitudinal balance bar 10 external and internal pressure maintain balance all the time.During motor reversal, motion process is just in time contrary.
Claims (10)
1. an oil well logging instrument pressure balance backup sleeve arrangement, comprises guiding pressure-bearing shell (8), it is characterized in that:
Described guiding pressure-bearing shell (8) is disposed with front end uncovered (8.1) vertically, middle part seal installing hole (8.2), the first gathering sill (8.3) that back segment is radial through, tail seal part installing hole (8.4), rear end mount pad (8.5), described front end uncovered (8.1) termination is connected with the back-end sealing of transition bearing shell (6), the pressure bearing and seal plug (7) with multiple wiring core for isolating seal leading portion uncovered (8.1) is provided with in described transition bearing shell (6), the front end of described transition bearing shell (6) is connected with the electrode system sleeve (4) of logger, described electrode system sleeve (4) is provided with radial through the second gathering sill (4.1), described rear end mount pad (8.5) seals with the back segment shell (17) of logger and is connected,
Described electrode system sleeve (4) and guiding pressure-bearing shell (8) are set with sliding sleeve assembly (2), and the two ends of described sliding sleeve assembly (2) are provided with connection yoke assembly (11); Wherein, connection yoke assembly (11) activity of front end is embedded in the second gathering sill (4.1), and it is connected with the transmitting axle force bar (1) for promoting logger; Connection yoke assembly (11) activity of rear end is embedded in the first gathering sill (8.3), and it is connected with simultaneously longitudinal balance bar (10) and end thrust bar (13);
Described longitudinal balance bar (10) stretches in front end uncovered (8.1) through middle part seal installing hole (8.2), and be provided with dynamic sealing assembly (9) between its shaft and middle part seal installing hole (8.2), thus make front end uncovered (8.1) under the coordinated of pressure bearing and seal plug (7) and dynamic sealing assembly (9), form first pressure equalizing chamber (S) of opposing seal; Described end thrust bar (13) extends in the back segment shell (17) of logger through tail seal part installing hole (8.4), and be also provided with dynamic sealing assembly (9) between its shaft and tail seal part installing hole (8.4), thus form second pressure equalizing chamber (P) of opposing seal in the cavity enclosed at the back segment shell (17) of rear end mount pad (8.5) and logger.
2. oil well logging instrument pressure balance backup sleeve arrangement according to claim 1, is characterized in that: described front end uncovered (8.1) termination is connected with the rear end of sealing ring (14) with transition bearing shell (6) by screw thread; Described rear end mount pad (8.5) is connected with the back segment shell (17) of logger with sealing ring (14) by screw thread.
3. oil well logging instrument pressure balance backup sleeve arrangement according to claim 2, it is characterized in that: the both sides of middle part seal installing hole (8.2) of described guiding pressure-bearing shell (8), the first gathering sill (8.3) and tail seal part installing hole (8.4) are provided with the axially extending bore (8.6) be connected as a single entity, thus the first pressure equalizing chamber (S) is connected with the second pressure equalizing chamber (P).
4. the oil well logging instrument pressure balance backup sleeve arrangement according to any one of claims 1 to 3, it is characterized in that: described end thrust bar (13) is set with buffer spring (15) and thickness regulating block (16), described buffer spring (15) and thickness regulating block (16) are positioned between the land on guiding pressure-bearing shell (8) tail end face and end thrust bar (13).
5. the oil well logging instrument pressure balance backup sleeve arrangement according to any one of claims 1 to 3, it is characterized in that: the second gathering sill (4.1) rear end of described electrode system sleeve (4) is provided with the mud guard (3) preventing muddy water from invading electrode system sleeve (4) inner chamber, described mud guard (3) is provided with the cable hole (3.1) for logger.
6. the oil well logging instrument pressure balance backup sleeve arrangement according to any one of claims 1 to 3, it is characterized in that: described dynamic sealing assembly (9) has the tubular plug (9a) on flanged limit, described tubular plug (9a) is by being arranged on end cover (9c) on its flange and end face screw (9e) is fixed on middle part seal installing hole (8.2) and tail seal part installing hole (8.4), described tubular plug (9a) outer wall is provided with static sealing ring (9b), the inwall of described tubular plug (9a) is provided with dynamic seal ring (9d).
7. the oil well logging instrument pressure balance backup sleeve arrangement according to any one of claims 1 to 3, it is characterized in that: described sliding sleeve assembly (2) comprises pair of end portions annulus sleeve (2.1) and a pair detachable centre half ring sleeve (2.2), described pair of end portions annulus sleeve (2.1) respectively by half ring sleeve (2.2) two ends in the middle of being threaded in chimeric shaping a pair, thus is combined into a complete circular sleeve; The upper radial symmetric of described end annulus sleeve (2.1) is provided with connection yoke installing hole (2.3).
8. oil well logging instrument pressure balance backup sleeve arrangement according to claim 7, it is characterized in that: described connection yoke assembly (11) comprises connection yoke (11.1) and lower connection yoke (11.2), described upper connection yoke (11.1) and lower connection yoke (11.2) connect into entirety by the thrust pin assembly (12) running through its centre bore, and the two ends of this entirety are embedded in the connection yoke installing hole (2.3) on end annulus sleeve (2.1) respectively; The rear tab of described transmitting axle force bar (1) is sleeved in the middle of the thrust pin assembly (12) of front end connection yoke assembly (11), and by the upper connection yoke (11.1) of correspondence and lower connection yoke (11.2) locking; In the middle of the thrust pin assembly (12) that the rear tab of described longitudinal balance bar (10) and the front tab of end thrust bar (13) are sleeved on rear end connection yoke assembly (11) simultaneously, and by the upper connection yoke (11.1) of correspondence and lower connection yoke (11.2) locking.
9. oil well logging instrument pressure balance backup sleeve arrangement according to claim 8, is characterized in that: described upper connection yoke (11.1) and lower connection yoke (11.2) are provided with the axially extending bore (11.3) for reducing liquid resistance.
10. oil well logging instrument pressure balance backup sleeve arrangement according to claim 9, it is characterized in that: on the barrel of described a pair middle half ring sleeve (2.2), radial symmetric offers spacer pin gathering sill (2.4), the outer wall of described electrode system sleeve (4) is provided with spacer pin (5), described spacer pin (5) and spacer pin gathering sill (2.4) axial sliding fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580037.6A CN104373107B (en) | 2014-10-24 | 2014-10-24 | Pressure balance sleeve pushing device of petroleum logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580037.6A CN104373107B (en) | 2014-10-24 | 2014-10-24 | Pressure balance sleeve pushing device of petroleum logging instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104373107A true CN104373107A (en) | 2015-02-25 |
| CN104373107B CN104373107B (en) | 2017-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410580037.6A Active CN104373107B (en) | 2014-10-24 | 2014-10-24 | Pressure balance sleeve pushing device of petroleum logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104373107B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507879A (en) * | 2015-12-24 | 2016-04-20 | 武汉海王机电工程技术公司 | Rotary nipple with pressure balancing mechanism |
| CN108119130A (en) * | 2017-12-06 | 2018-06-05 | 中石化石油工程技术服务有限公司 | A kind of logging instrument pressure-bearing pole plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0362011A1 (en) * | 1988-09-29 | 1990-04-04 | Schlumberger Limited | Method and apparatus for analysing a multi-phase flow in a hydrocarbon well |
| CN2344544Y (en) * | 1998-07-22 | 1999-10-20 | 汤井林 | Sidewall contact hole diameter microelectrode combined logging instrument |
| CN101892835A (en) * | 2010-07-09 | 2010-11-24 | 沈阳新锦石油设备有限公司 | Combined telescoping ram for logging instrument |
| CN201705348U (en) * | 2010-06-25 | 2011-01-12 | 中国石油天然气集团公司 | Pressure-bearing housing of petroleum logging instrument |
| CN202348273U (en) * | 2011-10-25 | 2012-07-25 | 王少斌 | Six-arm geolock |
| CN103075125A (en) * | 2011-10-25 | 2013-05-01 | 中国石油化工股份有限公司 | Pressure balancing device |
| CN204212762U (en) * | 2014-10-24 | 2015-03-18 | 武汉海王机电工程技术公司 | Oil well logging instrument pressure balance backup sleeve arrangement |
-
2014
- 2014-10-24 CN CN201410580037.6A patent/CN104373107B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0362011A1 (en) * | 1988-09-29 | 1990-04-04 | Schlumberger Limited | Method and apparatus for analysing a multi-phase flow in a hydrocarbon well |
| CN2344544Y (en) * | 1998-07-22 | 1999-10-20 | 汤井林 | Sidewall contact hole diameter microelectrode combined logging instrument |
| CN201705348U (en) * | 2010-06-25 | 2011-01-12 | 中国石油天然气集团公司 | Pressure-bearing housing of petroleum logging instrument |
| CN101892835A (en) * | 2010-07-09 | 2010-11-24 | 沈阳新锦石油设备有限公司 | Combined telescoping ram for logging instrument |
| CN202348273U (en) * | 2011-10-25 | 2012-07-25 | 王少斌 | Six-arm geolock |
| CN103075125A (en) * | 2011-10-25 | 2013-05-01 | 中国石油化工股份有限公司 | Pressure balancing device |
| CN204212762U (en) * | 2014-10-24 | 2015-03-18 | 武汉海王机电工程技术公司 | Oil well logging instrument pressure balance backup sleeve arrangement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507879A (en) * | 2015-12-24 | 2016-04-20 | 武汉海王机电工程技术公司 | Rotary nipple with pressure balancing mechanism |
| CN108119130A (en) * | 2017-12-06 | 2018-06-05 | 中石化石油工程技术服务有限公司 | A kind of logging instrument pressure-bearing pole plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104373107B (en) | 2017-01-25 |
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