CN110259437A - A kind of single-shot survey instrument of the oil well based on precession protection and anti-sticking card - Google Patents
A kind of single-shot survey instrument of the oil well based on precession protection and anti-sticking card Download PDFInfo
- Publication number
- CN110259437A CN110259437A CN201910591557.XA CN201910591557A CN110259437A CN 110259437 A CN110259437 A CN 110259437A CN 201910591557 A CN201910591557 A CN 201910591557A CN 110259437 A CN110259437 A CN 110259437A
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- Prior art keywords
- plate
- instrument
- precession
- oil well
- fixator
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- 239000003129 oil well Substances 0.000 title claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 42
- 238000007667 floating Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 31
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 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
-
- 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
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of single-shot survey instruments of oil well based on precession protection and anti-sticking card, its structure includes righting sleeve, fisher, protective device, connector, buoyant cabin, inserting tube, lower floating warehouse, indicator light, righting sleeve is fixedly installed in right above lower floating warehouse and is integrated, it is connected on the left of fisher with lower floating warehouse outer surface, protective device is located at immediately below connector and is flexibly connected, generate the utility model has the advantages that in structure be equipped with blade, blade is matched with shaft under the power of water, shaft is rotated around flat axis, make instrument by gravity but not topples over, prevent the phenomenon that being toppled over by the impact force of water, equipped with ponding storehouse, and ponding storehouse is isolated with instrument, it and is sealed space, the soaked phenomenon of instrument can not only be prevented, under the action of protective plate, it can also prevent instrument bottom from viscous card occur Phenomenon, and it is equipped with fixator, under the action of based on kickboard with drawstring, its instrument is fixed in fixator.
Description
Technical field
The present invention relates to well measurements apparatus field more particularly to a kind of lists of the oil well based on precession protection and anti-sticking card
Point inclinometer.
Background technique
New energy becomes the energy one of having the call in 21 new centuries, and wherein petroleum is one of new energy.
Petroleum needs to carry out drilling well to oil field in carrying out recovery process, and production string next time is generally needed in drilling process,
It during carrying out installation production string, needs to use single-shot inclinometer, measures the data in well, thus convenient lower oil reservoir
Casing.But existing instrument suffers from the drawback that
For oil well during carrying out drilling, inside will appear water layer, and oil mining is deeper, and the water layer of lower section can be gushed out
Water, form bubble not only will receive the impact force of water, instrument test is caused to tilt after instrument is placed on bottom, also wait
During to be measured, instrument is immersed in water, influence measurement as a result, and water with inside soil mix, in addition internal frictional resistance compared with
Greatly, easily it is easy to appear instrument viscous the case where blocking.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide it is a kind of based on precession protection and anti-sticking card oil well
Single-shot survey instrument, to solve the problems, such as.
To achieve the goals above, the present invention is to realize by the following technical solutions: one kind based on precession protection and
The single-shot survey instrument of the oil well of anti-sticking card, structure include righting sleeve, fisher, protective device, connector, buoyancy
Storehouse, inserting tube, lower floating warehouse, indicator light, it is characterised in that:
The righting sleeve is fixedly installed in right above lower floating warehouse and is integrated, on the left of the fisher with float downward
Storehouse outer surface is connected, and the protective device is located at immediately below connector and is flexibly connected, and the connector is fixedly installed in floating
Power orlop portion, the buoyant cabin are set to immediately below inserting tube and are integrated, and the lower floating warehouse is nested in right above inserting tube, institute
Indicator light is stated to be welded at the one third of righting sleeve outer surface.
Further, the protective device is by shaft, fixator, bracket, outline border, traction rope, kickboard, protective plate, ponding
Storehouse composition, the shaft are installed on the inside of outline border and through inside ponding storehouses, and the fixator sets there are two and is installed on outer
Frame inner upper end two sides, the cradle top mutually weld with retainer bottom and are fixedly installed in outline border inner upper end two sides, institute
It states traction rope insertion to be installed on the inside of fixator and be flexibly connected, the kickboard is set on the inside of ponding storehouse at about a quarter, institute
It states protective plate to be located at immediately below kickboard, the ponding storehouse insertion is installed on outline border inside lower end.
Further, the shaft lower end is set there are two rotator and two rotators oppose in parallel up and down, the rotation
Device two sides are respectively equipped with blade, and the shaft is through being respectively provided with bearing and activity in rotator and top therewith 3/4ths
Connection.
Further, the kickboard is made of fixed ring, fixture block, drawstring, fixed plate, the fixed ring set there are two respectively
It is installed on kickboard bottom both ends, the fixture block is welded in drawstring end, and the drawstring front end is through in fixed ring, the fixation
It is connected at the top of plate with drawstring end.
Further, the fixator is made of acicular hook, hard board, spring, expansion plate, reset ring, top plate, deformed plate,
The acicular hook is equipped with multiple and is uniformly welded in hard board left side, and the hard board right side is affixed with expansion plate left side
It closes and is integrated, the spring is installed between expansion plate and deformed plate, and the reset is located on expansion plate lower surface
And it is connected, the top plate is set on the inside of deformed plate and is located at same axial direction, and the deformed plate is located on the right side of expansion plate.
Further, the protective plate is made of spout, sealing ring, and the spout is equipped with multiple and is uniformly installed on close
On the inside of seal outer surface, the sealing ring is equipped with two or more and side by side at two rows.
Further, the traction rope is embedded on the inside of fixator and is connected with top plate bottom, and traction rope front end is set
There is reset spring and is mutually close to top plate.
Further, the reset ring is connected with kickboard by wire drawing.
Further, the kickboard two sides are equipped with track, and both ends are affixed merging clearance fit therewith.
Further, the spring is installed on the right side of expansion plate by top plate extruding, and the pressure and elasticity that spring is subject to
It is directly proportional.
Further, the fixture block is rectangular parallelepiped structure, and swing is installed.
Beneficial effect
Compared with prior art, a kind of single-shot survey instrument of the oil well based on precession protection and anti-sticking card of the present invention,
It has the advantages that
The present invention, which passes through, to be equipped with, and is placed in oil well instrument, when arriving bottom aqueous layer, the powered belt for the water that water layer is gushed out
Movable vane piece rotation, and drive instrument to be rotated by shaft, according to precession principle, instrument at this time keeps horizontality,
After instrument reaches bottom, water enters ponding storehouse, and the kickboard in ponding storehouse continues upward movement in the state of ponding, and drives and draw
Rope end can continue to extend downwards, to drive protective plate to move down, in protective plate moved down, by passing through traction
Rope pulls top plate to move down, and deformed plate is made not stress, and restores ortho states, and solid spring, to not stressing, keeps its generation elastic by stress,
It pushes hard board to be displaced outwardly by expansion plate, then inside acicular hook insertion oil well, its instrument is fixed, last protective plate
It is fixed on ponding orlop portion, makes blade stop motion, so that instrument stops rotating, measures work, after being measured, is floated
Power storehouse drives instrument to move up, and while instrument leaves shaft bottom, protective plate is not by the impact of water, the then water in ponding storehouse
It is sprayed by spout, cleaning work is carried out to its instrument bottom, so that internal kickboard moves down, driven by wire drawing and reset ring
It is mobile, the dynamic flexible sheet reset of annulus is resetted, and protective plate restores ortho states under the action of kickboard, to make acicular hook by traction rope
Inwardly recycling, the emersion well face of last instrument slowly.
Generating the utility model has the advantages that being equipped with blade in structure, blade is matched with shaft under the power of water, and shaft is around flat
Axis rotation, makes instrument by gravity but not topples over, prevent the phenomenon that being toppled over by the impact force of water, is equipped with ponding storehouse,
And ponding storehouse is isolated with instrument, and is sealed space, the soaked phenomenon of instrument can be not only prevented, in the effect of protective plate
Under, it can also prevent instrument bottom from the phenomenon that viscous card occur, and be equipped with fixator, it is fixed under the action of being based on kickboard and drawstring
Its instrument is fixed in device.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing in describing below to embodiment is made in detail
It carefully introduces, allows other features, purposes and advantages of the invention will become more apparent with this:
Fig. 1 is a kind of structural representation of the single-shot survey instrument of the oil well based on precession protection and anti-sticking card of the present invention
Figure.
Fig. 2 is that protective device of the present invention faces the schematic diagram of the section structure.
Fig. 3 is protective device working state schematic representation of the present invention.
Fig. 4 is fixator top view cross section structural schematic diagram of the present invention.
Fig. 5 is protective plate top view cross section structural schematic diagram of the present invention.
In figure: righting sleeve 1, fisher 2, protective device 3, connector 4, buoyant cabin 5, inserting tube 6, lower floating warehouse 7, indicator light
8, shaft 301, fixator 302, bracket 303, outline border 304, traction rope 305, kickboard 306, protective plate 307, ponding storehouse 308, rotation
Turn device 301b, blade 301a, bearing 301c, fixed ring 306a, fixture block 306b, drawstring 306c, fixed plate 306d, acicular hook 302a,
Hard board 302b, spring 302c, expansion plate 302d, ring 302e, top plate 302f, deformed plate 302g, spout 307a, sealing ring are resetted
307b。
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, technical solution in the embodiment of the present invention is further clear,
Completely illustrate.
Fig. 1-Fig. 5 is please referred to, the present invention provides a kind of single-shot inclinometer of oil well based on precession protection and anti-sticking card
Device: its structure includes righting sleeve 1, fisher 2, protective device 3, connector 4, buoyant cabin 5, inserting tube 6, lower floating warehouse 7, indicator light
8, it is characterised in that:
The righting sleeve 1 is fixedly installed in right above lower floating warehouse 7 and is integrated, 2 left side of fisher with
Lower 7 outer surface of floating warehouse is connected, and the protective device 3 is located at immediately below connector 4 and is flexibly connected, and the connector 4 is fixed
It is installed on 5 bottom of buoyant cabin, the buoyant cabin 5 is set to immediately below inserting tube 6 and is integrated, and the lower floating warehouse 7 is nested in
Right above inserting tube 6, the indicator light 8 is welded at 1 outer surface one third of righting sleeve.
It is preferred that the protective device 3 is by shaft 301, fixator 302, bracket 303, outline border 304, traction rope
305, kickboard 306, protective plate 307, ponding storehouse 308 form, and the shaft 301 is installed on the inside of outline border 304 and through ponding
Inside storehouse 308, the fixator 302 sets there are two and is installed on 304 inner upper end two sides of outline border, 303 top of bracket with
304 inner upper end two sides of outline border are mutually welded and be fixedly installed in 302 bottom of fixator, and the insertion of traction rope 305 is installed on solid
Determine 302 inside of device and be flexibly connected, the kickboard 306 is set at the about a quarter of 308 inside of ponding storehouse, the protective plate 307
Immediately below kickboard 306, the insertion of ponding storehouse 308 is installed on 304 inside lower end of outline border, and the ponding storehouse 308 is located at instrument
Device bottom end, after encountering water layer, water enters inside, and kickboard 306 is met water and moved up, and kickboard 306 passes through after water overflows
Drawstring 306c moves down protective plate 307, and protective plate 307 drives fixator by traction rope 305 during moving down
Work is fixed in 302 pairs of its instruments, and ponding storehouse 308 mutually separates with instrument and is sealing space, prevents instrument from tilting,
Soaked phenomenon.
It is preferred that 301 lower end of shaft is set there are two rotator 301b and two rotator 301b or more are put down
Row opposition, the two sides the rotator 301b are respectively equipped with blade 301a, and the shaft 301 is through in rotator 301b and top
Bearing 301c is respectively provided at 3/4ths therewith and is flexibly connected, and blade 301a face ponding storehouse 308 is encountering water layer
When, the powered belt movable vane piece 301a rotation that the water of water layer is gushed out, and its instrument is rotated by shaft 301, according to the original of precession
Reason, instrument can keep horizontality.
It is preferred that the kickboard 306 is by fixed ring 306a, fixture block 306b, drawstring 306c, fixed plate 306d group
At the fixed ring 306a is set there are two 306 bottom both ends of kickboard are respectively arranged in, and the fixture block 306b is welded in drawstring 306c
End, the front end the drawstring 306c are connected at the top of the fixed plate 306d with the end drawstring 306c through in fixed ring 306a
It connects, the kickboard 306 continues upward movement in the case where ponding, and the end drawstring 306c can continue to extend downwards, arrives length
To it is low when, then fixture block 306b is stuck on fixed ring 306a at 45 degree of states, drawstring 306c stop extend.
It is preferred that the fixator 302 by acicular hook 302a, hard board 302b, spring 302c, expansion plate 302d,
Ring 302e, top plate 302f, deformed plate 302g composition are resetted, the acicular hook 302a is equipped with multiple and is uniformly welded in hard board
The left side 302b, the right side the hard board 302b fit and are integrated with the left side expansion plate 302d, the bullet
Spring 302c is installed between expansion plate 302d and deformed plate 302g, the reset ring 302e be set to the lower surface expansion plate 302d and with
Be connected, the top plate 302f is set on the inside of deformed plate 302g and is located at same axial direction, and the deformed plate 302g is located at flexible
On the right side of plate 302d, the top plate 302f squeezes its deformed plate 302g, carries out deformed plate 302g to spring 302c outward
Stress, protective plate 307 downwards during, by traction rope 305 pull top plate 302f move down, make deformed plate 302g not by
Power restores ortho states, and solid spring 302c, to not stressing, generates its elastic by stress, passes through expansion plate 302d promotion hard board
302b is displaced outwardly, and then acicular hook 302a is inserted into inside oil well, its instrument is fixed.
It is preferred that the protective plate 307 is made of spout 307a, sealing ring 307b, the spout 307a is equipped with
Multiple and be uniformly installed on the inside of the outer surface sealing ring 307b, the sealing ring 307b is equipped with more than two and side by side at two
Row, protective plate 307 protects the water inside its ponding storehouse 308, during instrument floats up, inside ponding storehouse 308
Water sprayed outward by spout 307a, cleaning work is carried out to its instrument bottom, prevents instrument from viscous the problem of blocking occur.
Working principle: being placed in oil well instrument, when arriving bottom aqueous layer, the powered belt movable vane piece for the water that water layer is gushed out
301a rotation, and drive instrument to be rotated by shaft 301, according to precession principle, instrument at this time keeps horizontality,
After instrument reaches bottom, water enters ponding storehouse 308, and the kickboard 306 in ponding storehouse 308 continues upward shifting in the state of ponding
It is dynamic, and drive the end drawstring 306c that can continue to extend downwards, so that protective plate 307 is driven to move down, it is downward in protective plate 307
In being moved through, by by traction rope 305 pull top plate 302f move down, so that deformed plate 302g is not stressed, restore ortho states, Gu
Spring 302c, to not stressing, makes it generate elasticity by stress, pushes hard board 302b to be displaced outwardly by expansion plate 302d, then
Acicular hook 302a is inserted into inside oil well, its instrument is fixed, last protective plate 307 is fixed on 308 bottom of ponding storehouse, makes blade
301a stop motion measures work so that instrument stops rotating, and after being measured, buoyant cabin 5 drives instrument to moving up
Dynamic, while instrument leaves shaft bottom, protective plate 307 is not by the impact of water, and then the water in ponding storehouse 308 passes through spout 307a
It sprays, cleaning work is carried out to its instrument bottom, so that internal kickboard 306 moves down, driven by wire drawing and reset ring 302e
It is mobile, it resets ring 302e and expansion plate 302d is driven to reset, and protective plate 307 restores ortho states under the action of kickboard 306, thus logical
Crossing traction rope 305 recycles acicular hook 302a inwardly, the emersion well face of last instrument slowly.
The present invention is combined with each other by above-mentioned component, and the beneficial effect of generation is: blade 301a is equipped in structure,
Blade 301a is matched with shaft 301 under the power of water, and shaft 301 is rotated around flat axis, is made instrument by gravity but not is toppled over,
The phenomenon that being toppled over by the impact force of water is prevented, is equipped with ponding storehouse 308, and ponding storehouse 308 is isolated with instrument, and is close
Envelope formula space can not only prevent the soaked phenomenon of instrument, under the action of protective plate 307, can also prevent instrument bottom from occurring
The phenomenon that viscous card, and it is equipped with fixator 302, under the action of based on kickboard 306 and drawstring 306c, fixator 302 is to its instrument
It is fixed.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of single-shot survey instrument of the oil well based on precession protection and anti-sticking card, structure include righting sleeve (1), beat
Device (2), protective device (3), connector (4), buoyant cabin (5), inserting tube (6), lower floating warehouse (7), indicator light (8) are fished out, feature exists
In:
The righting sleeve (1) is fixedly installed in right above lower floating warehouse (7) and is integrated, on the left of the fisher (2)
It is connected with lower floating warehouse (7) outer surface, the protective device (3) is located at immediately below connector (4) and is flexibly connected, the connection
Device (4) is fixedly installed in buoyant cabin (5) bottom, and the buoyant cabin (5) is set to immediately below inserting tube (6) and is integrated, institute
It states lower floating warehouse (7) to be nested in right above inserting tube (6), the indicator light (8) is welded in righting sleeve (1) outer surface one third
Place.
2. a kind of single-shot survey instrument of oil well based on precession protection and anti-sticking card according to claim 1, special
Sign is: the protective device (3) is by shaft (301), fixator (302), bracket (303), outline border (304), traction rope
(305), kickboard (306), protective plate (307), ponding storehouse (308) composition, the shaft (301) are installed on the inside of outline border (304)
And it is internal through ponding storehouse (308), the fixator (302) sets there are two and is installed on outline border (304) inner upper end two sides,
It is mutually welded with fixator (302) bottom at the top of the bracket (303) and is fixedly installed in outline border (304) inner upper end two sides, institute
It states traction rope (305) insertion to be installed on the inside of fixator (302) and be flexibly connected, the kickboard (306) is set to ponding storehouse (308)
At the about a quarter of inside, the protective plate (307) is located at immediately below kickboard (306), and ponding storehouse (308) insertion is installed on
Outline border (304) inside lower end.
3. a kind of single-shot survey instrument of oil well based on precession protection and anti-sticking card according to claim 2, special
Sign is: shaft (301) lower end is set there are two rotator (301b) and two rotators (301b) are opposed in parallel up and down, institute
It states the two sides rotator (301b) to be respectively equipped with blade (301a), the shaft (301) is through in rotator (301b) and top
Bearing (301c) is respectively provided at 3/4ths therewith and is flexibly connected.
4. a kind of single-shot survey instrument of oil well based on precession protection and anti-sticking card according to claim 2, special
Sign is: the kickboard (306) is made of fixed ring (306a), fixture block (306b), drawstring (306c), fixed plate (306d), institute
It states fixed ring (306a) to set there are two kickboard (306) bottom both ends are respectively arranged in, the fixture block (306b) is welded in drawstring
The end (306c), the drawstring front end (306c) is interior through fixed ring (306a), fixed plate (306d) top and drawstring
The end (306c) is connected.
5. a kind of single-shot survey instrument of oil well based on precession protection and anti-sticking card according to claim 2, special
Sign is: the fixator (302) is by acicular hook (302a), hard board (302b), spring (302c), expansion plate (302d), reset
Ring (302e), top plate (302f), deformed plate (302g) composition, the acicular hook (302a) are equipped with multiple and are uniformly welded in synthesis
The left side plate (302b), the hard board right side (302b) fit with the left side expansion plate (302d) and tie to be integrated
Structure, the spring (302c) are installed between expansion plate (302d) and deformed plate (302g), and the reset ring (302e), which is set to, stretches
The contracting plate lower surface (302d) is simultaneously connected, and the top plate (302f) is set on the inside of deformed plate (302g) and is located at same axis
To the deformed plate (302g) is located on the right side of expansion plate (302d).
6. a kind of single-shot survey instrument of oil well based on precession protection and anti-sticking card according to claim 2, special
Sign is: the protective plate (307) is made of spout (307a), sealing ring (307b), the spout (307a) be equipped with it is multiple simultaneously
It is uniformly installed on the inside of the outer surface sealing ring (307b), the sealing ring (307b) is equipped with two or more and side by side at two rows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591557.XA CN110259437B (en) | 2019-07-02 | 2019-07-02 | Single-point inclinometer for oil well based on precession protection and anti-sticking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591557.XA CN110259437B (en) | 2019-07-02 | 2019-07-02 | Single-point inclinometer for oil well based on precession protection and anti-sticking |
Publications (2)
| Publication Number | Publication Date |
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| CN110259437A true CN110259437A (en) | 2019-09-20 |
| CN110259437B CN110259437B (en) | 2020-11-10 |
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| CN201910591557.XA Active CN110259437B (en) | 2019-07-02 | 2019-07-02 | Single-point inclinometer for oil well based on precession protection and anti-sticking |
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| CN201037045Y (en) * | 2007-06-08 | 2008-03-19 | 山东大学 | Propulsion wheel blade grounding with self-repairing function underwater carrier |
| US20120173143A1 (en) * | 2008-09-15 | 2012-07-05 | Trex Enterprises Corp. | Celestial compass kit |
| JP2011162962A (en) * | 2010-02-05 | 2011-08-25 | Sanshin Corp | Device and method for sensing operation of opening and closing blade |
| CN102425382B (en) * | 2011-09-22 | 2014-06-25 | 中国石油大学(北京) | Dynamic pressure lubrication drilling tool and drilling tool assembly with same |
| CN102616370A (en) * | 2012-04-28 | 2012-08-01 | 张岳 | Longitudinal rotary transformer screw propeller |
| CN103770923A (en) * | 2012-10-19 | 2014-05-07 | 中国科学院沈阳自动化研究所 | Wave energy conversion mechanism for marine surveying platform |
| CN106411095A (en) * | 2016-11-30 | 2017-02-15 | 北京蒙德纳科技发展有限公司 | Power supply system of wireless drilling inclinometer underground instrument |
| CN206341122U (en) * | 2016-11-30 | 2017-07-18 | 北京蒙德纳科技发展有限公司 | A kind of wireless drilling inclinometers downhole instrument electric power system |
| CN207463752U (en) * | 2017-11-06 | 2018-06-08 | 山东科技大学 | One kind is for silt cleaning device in inclinometer pipe |
| CN207585233U (en) * | 2017-12-06 | 2018-07-06 | 广州力环工程科技有限公司 | A kind of inclinometer showing stand |
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