CN103195418B - A kind of downhole sampler - Google Patents
A kind of downhole sampler Download PDFInfo
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- CN103195418B CN103195418B CN201310065224.6A CN201310065224A CN103195418B CN 103195418 B CN103195418 B CN 103195418B CN 201310065224 A CN201310065224 A CN 201310065224A CN 103195418 B CN103195418 B CN 103195418B
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- shuttle valve
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- steel ball
- sampling room
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Abstract
nullThe invention discloses a kind of downhole sampler，Including: one arranges the rope socket on top，The detection part of rope socket lower end is set，One connector，Upper and lower side connects sensor holder and shuttle valve body respectively，Described connector includes a gas cabin，Expander is rear in arranging sensor holder to be connected with gas cabin，Bottom, described gas cabin connects a push rod，The top being sequentially connected with push rod and the steel ball collar are fixed and are connected，A balance cabin is also set up in the bottom of connector，Described shuttle valve body includes a shuttle valve bar，Shuttle valve bar is slidably connected with balance cabin，Balance cabin heads on shuttle valve bar the steel ball collar hangs in connector when，And with locking bayonet fittings，Shuttle valve bar is kept to become lock-out state，The shuttle valve bar of locking makes the trigger spring arranging on shuttle valve bar be compressive state，One sampling room，It is connected with the flow regulator seat of shuttle valve body lower portion，Solve sampling process keeps the phase of formation sample not change，I.e. maintain single phase.Simple in construction, easy to use.
Description
Technical field
The present invention relates to oil field operation equipment, be specifically related to a kind of downhole sampler.
Background technology
Along with oil field development technology constantly develops in depth, China's oil industry is at present for exploration and development oil
True, the reliable behavior of the oil gas sample of gas well are increasingly paid attention to, and obtain first-hand authentic and valid oil gas sample
Product data for the present age oil people for it is critical that.Either in well sampling sessions or reality
Test the room sample assay stage, it is ensured that oil gas sample keep completely original Oil/gas Well formation conditions single-phase,
High pressure, high temperature；Guarantee assay office obtain sample parameters be the authentic and valid parameter in down-hole be sampler and experiment thereof
The ultimate aim of system design.
But the sampler that current most of onshore oil fields use and operational approach still continue to use last century six or seven ten
The old-fashioned mechanical sampling device in age.This sampler is in sampling operation process of going into the well, and sampler barrel remains to be beaten
Open state, it is impossible to ensure the sample that taken sample is expection target zone position, make oil gas sample distortion；At oil gas
In the sample chemical examination stage, sample from sampler to the replacement process of testing vessel, use hydrargyrum or saturated common salt
Water directly contacts with oil gas sample, will cause oil gas sample contamination.Either sample distortion phenomenon or sample
Contamination phenomenon, all makes analysis data deviate actual state, even derives a wrong conclusion, play oil and gas development
Less than authentic and valid directive significance, or the serious formulation misleading oil and gas development scheme.
Although part Oil/gas Well uses the positive displacement sampler of external import at present, but its sampling controls employing machine
Tool formula clock, arranges the most accurate sample time.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of downhole sampler, in solution sampling process retentively
The phase of layer sample does not changes, and i.e. maintains single phase.Simple in construction, easy to use.
For reaching above-mentioned purpose, technical scheme is as follows:
A kind of downhole sampler, including:
One rope socket arranging top, arranges the detection part of rope socket lower end,
One connector, upper and lower side connects sensor holder and shuttle valve body respectively, and described connector includes a gas cabin,
Expander is rear in arranging sensor holder to be connected with gas cabin, and bottom, described gas cabin connects a push rod, with push rod successively
The top connected and the fixing connection of the steel ball collar, also set up a balance cabin in the bottom of connector,
Described shuttle valve body includes that a shuttle valve bar, shuttle valve bar are slidably connected with balance cabin, and balance cabin is at the steel ball collar
Head on shuttle valve bar when of hanging in connector, and with locking bayonet fittings, keep shuttle valve bar to become locking shape
State, the shuttle valve bar of locking makes the trigger spring arranging on shuttle valve bar be compressive state,
Connecting a conjugation linkers below described shuttle valve body, conjugation linkers is by mozzle and shuttle valve body and air chamber
Plug links together, shuttle valve body and air chamber screwed connection,
One sampling room, is connected with the flow regulator seat of shuttle valve body lower portion, arranges top, sampling room including one
Steel ball bracing frame, is socketed, at described piston rod with drag link sleeve after steel ball bracing frame and piston rod cover for seat connect
Arranging a compression spring below Zuo, screw thread is by steel ball bracing frame, drag link sleeve, piston rod seat, compression bullet
Spring and the fixing connection of pressure ring,
One piston guide connecting rod is set below described piston rod seat, on sheathed piston guide connecting rod
Piston is connected with needle valve assembly, seal joint and piston screwed connection, arranges in described seal joint side
One inlet,
It is stifled that the bottom of described sampling room arranges an end.
In a preferred embodiment of the invention, described needle valve assembly includes a needle-valve, above needle-valve successively
Setting turns the blocking of sample mouth and turns sample pin, and the one of described piston fluting is facing to needle-valve body assembly.
In a preferred embodiment of the invention, described air chamber plug is socketed with air chamber, vacuum valve silk
Button is screwed on shuttle valve body, and flow regulator is socketed with flow regulator, and pressurizing valve screw thread is screwed in flow and adjusts
On joint device seat, flow regulator seat and sampling room's screwed connection.
In a preferred embodiment of the invention, also include a pressure regulation valve rod in described shuttle valve body, tune is set
Pressure regulation valve rod is fixed on shuttle valve body by the clamping screw below pressure valve bar.
In a preferred embodiment of the invention, described detection part includes arranging the intraskeletal line of wiring board
Road plate, and the sensor cabin on sensor holder is set, described wiring board skeleton screwed connection wiring board casing
In, a battery casing is set between described rope socket and wiring board casing, arranging the battery in battery casing is
Detection part provides electric power.
In a preferred embodiment of the invention, handlance is connected to arrange on shuttle valve body by high pressure line
On pressurizing valve, utilize handlance to injection pressure in sampling room, be 4000psi until sampling room pressure.
By technique scheme, the invention has the beneficial effects as follows:
1. solve sampling process keeps the phase of formation sample not change, i.e. maintain single phase.
2. time set, is electronic circuit control mechanical watch control break.So can pass through software design patterns
Time has reached arbitrarily to arrange the purpose of time
3. the problem of sample contamination when solving to turn sample
4. can turn sample at the scene, make bubble point pressure
5. electronic section band pressure measurement temp sensing function, can detect the pressure and temp of whole sampling process, and
The pressure and temp of sample point, thus carry out pressure comparison when turning sample with ground, it is judged that sampling is the most successful.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the top structure schematic diagram of the present invention.
Fig. 2 is the structural representation of the connector of the present invention.
Fig. 3 is the structural representation of the shuttle valve body of the present invention.
Fig. 4 is the structural representation of the sampling room of the present invention.
Fig. 5 is the fundamental diagram of the present invention.
Numeral and the corresponding component title represented by letter in figure:
In figure: 1, rope socket；2, battery casing；3, wiring board casing；4, wiring board skeleton；5、
Sensor holder；6, sensor storehouse；7, pressure transmission hole；8, gas cabin；9, push rod；10, top；11、
Connector；12, the steel ball collar；13, balance cabin；14, shuttle valve bar；15, trigger spring；16、
Shuttle valve body；17, locking pin；18, pressure regulation valve rod；19, clamping screw；20, conjugation linkers；
21, air tank；22, mozzle；23, vacuum valve；24, air chamber plug；25, flow regulator；
26, pressurizing valve；27, flow regulator seat；28, sampler room；29, steel ball bracing frame；30、
Piston rod seat；31, compression spring；32, piston guide connecting rod；33, piston；34, pressure is sealed
Ring；35, the blocking of sample mouth is turned；36, needle-valve；37, sample pin is turned；38, pressure compensation opening；39、
The end, is blocked up；40, pressure ring；41, drag link sleeve；42, needle-valve body assembly；43, sample inlet；44、
Dowel bushing
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect,
Below in conjunction with being specifically illustrating, the present invention is expanded on further.
Shown in reference Fig. 1-Fig. 4, rope socket 1 and battery casing 2 screwed connection, wiring board skeleton 4 and sensing
Device seat 5 screwed connection, battery casing 2 and wiring board casing 3 screwed connection, wiring board casing 3 and sensing
Device seat 5 screwed connection, sensor holder 5 gentle storehouse 8 screwed connection,
The gentle storehouse of push rod 98 is socketed, and forms entirety and use with 9 push rods behind top 10 and the steel ball collar 12 socket
Pin connects, and balance cabin 13 and the steel ball collar 12 screwed connection are socketed with connector 11 after forming entirety,
Connector 11 and gas storehouse 8 screwed connection,
Shuttle valve bar 14 is socketed with shuttle valve body 16 after being socketed with trigger spring 15, pressure regulation valve rod 18 and shuttle valve
After body 16 socket with clamping screw 19 screwed connection on shuttle valve body 16, shuttle valve body 16 and connector 11
Screwed connection, locking pin 17 with screwed connection on shuttle valve body 16,
Mozzle 22 is linked together by conjugation linkers 20 with shuttle valve body 16 and air chamber plug 24, shuttle valve body
16 with air chamber 21 screwed connection, air chamber plug 24 is socketed with air chamber 21, and vacuum valve 23 is stubborn with screw thread
On shuttle valve body 16, flow regulator 25 is socketed with flow regulator seat 27, and pressurizing valve 26 screw thread is twisted
On flow regulator seat 27, flow regulator seat 27 and sampling room 28 screwed connection,
Steel ball bracing frame 29 is socketed with drag link sleeve 41 after being socketed with piston rod seat 30, compression spring 31
With piston rod seat 30 be socketed after, pressure ring 40 with screw thread by steel ball bracing frame 29, drag link sleeve 41, piston
Connecting rod base 30, compression spring 31 composition one, piston 33 is socketed with piston guide connecting rod 32, seals pressure
Ring 34 and piston 33 screwed connection, piston guide connecting rod 32 is by piston rod seat 30 and needle-valve body assembly 42
With screwed connection, needle-valve 36 and needle-valve body assembly 42 screwed connection, turn sample mouth blocking 35 and turn sample pin
37 are socketed in needle-valve body assembly 42, and drag link sleeve 41, piston 33, needle-valve body assembly 42 are socketed in sampling
In room 28, the end block up 39 with sampling room 28 screwed connection.
Device for mechanical part preparation is as follows:
From sampling room 28, back out the end block up 39 and flow regulator seat 27, with six side's bottle openers by tight for needle-valve 36
It is screwed to tightly on needle-valve body assembly 42, piston rod guide link 32, piston 33, needle-valve body assembly 42, work
Plug connecting rod base 30, steel ball bracing frame 29 just have taken in sampling room 28.
Check whether piston guide connecting rod 32 is tightened with piston rod seat 30 and needle-valve body assembly 42, check
Piston 33 slides up and down the most freely at piston guide connecting rod 32, installs piston 33, the one side of its fluting
Whether towards needle-valve body assembly 42.The most slowly rotate steel ball bracing frame 29, allow steel ball stick into drag link sleeve 41,
After assembled above, then by piston rod guide link 32, piston 33, needle-valve body assembly 42, work
Plug connecting rod base 30, steel ball bracing frame 29 socket are kept forging ahead in specimen chamber 28, then the end is blocked up 39 are reinstalled sampling room 28
On, assemble complete in sampling room 28.
The end block up 39 under, on bench vice, vertical direction clamps sampling room 28, and adaptor one end is screwed in sampling
On room 28, the other end connects handlance, utilizes handlance to keep forging ahead in specimen chamber 28, directly by prefabricated solution force feed note
Overflowing at the adaptor being screwed in sampling room 28 top end to hydraulic oil, prefabricated solution force feed is full of sampling
In room 28, remove adaptor, by sampling room 28 with in screwed connection to flow regulator seat 27.
The desired flow actuator 25 being applicable to hole condition is selected to be socketed in flow regulator seat 27, by pressure regulation
Valve rod 18 is put in shuttle valve body 16, then screws on clamping screw 19, and trigger spring 15 is socketed in shuttle
On valve rod 14, then shuttle valve bar 14 set is tapped in shuttle valve body 16, downward flicking shuttle valve bar 14, simultaneously
The pin 17 of flicking locking downwards, the locating slot above shuttle valve bar 14 arrives when locking pin 17 downwards by lock
Rationed marketing nail 17, thus keep shuttle valve bar 14 to become lock-out state.Because there being the effect of conjugation linkers 20, so
Shuttle valve body 16 and air chamber plug 24 can be screwed in air chamber with screw thread in the case of not damaging mozzle 22
On 21.
Connector 11 screw thread is screwed on shuttle valve body 16, then push rod 9 is socketed in air inlet storehouse 8, will
The steel ball collar 12 is socketed on top 10, is then fixed on push rod 9 by top 10 pin, then
Balance cabin 13 screw thread is screwed on the steel ball collar 12, thus push rod 9, top 10, the steel ball collar 12,
Balance gentle storehouse, cabin 13 8 forms entirety, and gas storehouse 8 is screwed into connector with screw thread downwards by back balance cabin 13
In 11.
In instrument screwdriver elongate in shape hole on connector 11, the steel ball collar 12 is pushed down on, thus allow
Steel ball in the steel ball collar 12 is ejected by top 10, is hung over by the steel ball collar 12 in connector 11, simultaneously
When the steel ball collar 12 hangs in connector 11, the shuttle valve of locked pin 17 locking is withstood in balance cabin 13
Bar 14 is motionless, extracts locking pin 17.Sensor holder 5 is screwed on expanding block, then by sensor holder
5 are screwed on gas storehouse 8 with screw thread, are screwed on the other end of sensor holder 5 by wiring board skeleton 4 screw thread,
Again wiring board casing 3 screw thread is screwed on sensor holder 5, thus printed circuit board.
With high pressure line, handlance is connected on pressurizing valve 26, utilizes handlance to inject in sampling room 28
Pressure, until pressure is 4000psi in sampling room 28.
Device electronic control part work process:
With reference to Fig. 5, the work process of system: first, by the PC software work to sampler pressure and temp
Make Interval Sampling interval and time and sampler is configured movement time, then instrument is put into oil well
In, automatically pick up in real time and the pressure and temperature in storage well.
When sampler arrives movement time, sampler starts action, takes out instrument, then pass through serial ports after completing
The data of storage are read in PC and carries out data process, analyze and print.By the sample root within sample bucket
Process according to demand.
Environment in oil well is a high temperature, the environment of high pressure, the hardware underground work to be met therefore selected
Requirement.Selection can adapt to low-power consumption, resistant to elevated temperatures electronic device, high temperature mass storage, high temperature
Large Copacity import battery.
Main control chip uses the chip ADuC834BS of AD company of the U.S., and this chip is with 8051 as kernel, interior
Portion is integrated with 2 tunnel 200 μ A constant-current sources and the ∑-Δ ADC of 2 tunnel independences, owing to employing ∑-Δ conversion skill
Art, therefore can realize up to 24 without losing code performance.Due to the high integration of ADuC834, mainly
Process carry out therein, required peripheral circuit is little, and its volume is little, low in energy consumption, is readily applicable to each
Class intelligence instrument.
The performance indications of pressure transducer are one of high-precision principal elements of decision systems, select Switzerland
8 series piezo-resistive silicon chip pressure transducers of KELLER company.Platinum resistance temperature is selected in temperature sensor
Sensor Pt1000.They are high temperature resistant, highly sensitive, be suitable for the survey in down-hole adverse circumstances fluid medium
Amount.
The 400uA constant-current source provided by ADuC834 provides constant electricity for pressure transducer and temperature sensor
Stream, sensor is output as voltage signal, filtered wait process after directly input the AD of ADuC834 and sample and connect
Mouthful, ADuC834 sampling input is Differential Input.The most respectively by AN1, AN2 of ADuC834
With AN3, AN4 pin, gather pressure signal and temperature signal.
Ignition section main circuit triode to be answered controls the action of sampler, and circuit is simple and reliable.
Owing to subsurface environment is relatively more severe, so the circuit requirement using system is higher.Power module is selected
The resistance to 150 DEG C of high temperature high-capacity lithium battery PMX150 of EI company of the U.S., it is provided that 3.9V DC source, use the longevity
Life is long, can long time continuous working.Output voltage is changed through DC-DC high precision electro source converter MAX856
Become the 3.3V chip power supply to single-chip microcomputer Yu external data memory.
Data storage capacity within ADuC834 is little, and the data that down-hole gathers are up to 500,000 groups, often group
Data include that pressure, temperature and supply voltage, the AT45DB321C therefore using Atmel company to release are made
For external data memory, the data obtaining sampling carry out real-time storage.This chip has 32M bit
Memory capacity, data exchange can be carried out by SPI mouth and main control unit.
The operation principle of the present invention:
Instrument starts to go into the well
When instrument arrives purpose when, instrument is started working, and during instrument is gone into the well, Oil/gas Well is intrinsic pressure
Power passes to the sensor record being contained in sensor storehouse 6 by pressure transmission hole 7, when expanding block is in gas storehouse 8
Produce power during expansion to be pushed down on by push rod 9, owing to the balance cabin 13 on the steel ball collar 12 top acts on,
Push rod 9 can regard the pressure effect that is not subject to as, and push rod 9 drives top 10 to move down, due to steel ball sleeve
Steel ball in ring 12 is come directly towards 10 jack-up, and when coming directly towards 10 and moving down, steel ball is trapped into steel ball sleeve
In ring 12, make the steel ball collar 12 lose the steel ball hung in connector 11, make the steel ball collar 12 connect
Can be freely movable in body 11.Owing to balance cabin 13 is the steel ball collar 12 hangs in connector 11 when
Head on shuttle valve bar 14, make shuttle valve bar 14 block mozzle 22 in shuttle valve body 16, so that sampling
Prefabricated solution force feed in room 28 can not be entered in air chamber 21 by mozzle 22.
When freely up and down activity in the steel ball collar 12 can reconnect body 11, shuttle valve bar 14 loses restriction,
Owing to trigger spring 15 trigger spring 15 when shuttle valve bar 14 is depressed is compressed, shuttle valve bar 14 loses
After going to limit, trigger spring 15 discharges elastic force, and shuttle valve bar 14, by jack-up, opens the stifled of mozzle 22
Plug limits, thus sampling room 28 and air chamber 21 form path.
After sampling room 28 and air chamber 21 path are formed, owing to destination's stressor layer is more than sampling room 28
The pressure of interior prefabricated solution force feed, destination's layer original oil samples enters piston 33 from sample inlet 43
In sampling room 28.Piston 33 is pushed up by strata pressure along piston guide connecting rod 32, by sampling room 28
Interior prefabricated solution force feed is got in air chamber 21 from mozzle 22.
Owing to prefabricated solution force feed exists certain pressure in sampling room 28, so entering at target zone sample oil
To piston 33 with time in LSAM 28, target zone sample oil can only not occur any phase-state change
In the case of enter in sampling room 28.
When target zone sample oil is completely into time in sampling room 28, piston 33 can be connected along piston guide
Bar 32 is completely pushed to the top of drag link sleeve 41, and piston 33 continues drag link sleeve after arriving drag link sleeve 41 top
41 upwards push up, and drive when drag link sleeve 41 travels upwardly piston guide connecting rod 32 to travel upwardly, thus drive
Needle-valve body assembly 42 travels upwardly, and then turns sample mouth and block 35 blocked sample inlets 43, turns sample pin simultaneously
Nail 37 sticks in dowel bushing 44.Simultaneously when drag link sleeve 41 is by top to steel ball bracing frame 29 bottom, pull bar
Steel ball in set 41 is pushed up piston rod seat 30 top by steel ball bracing frame 29, thus is stuck in piston rod
Seat 30 tops.
At this moment having sampled, target zone sample oil is completely in sampling room 28, upper and lower in sampling room 28
Locked, formation dual fail-safe, thus the safety of target zone sample oil in ensureing sampling room 28.
Instrument sampleman completes.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The industry
Skilled person will appreciate that, the present invention is not restricted to the described embodiments, in above-described embodiment and description
The principle that the present invention is simply described described, without departing from the spirit and scope of the present invention, the present invention
Also having various changes and modifications, these changes and improvements both fall within scope of the claimed invention.This
The claimed scope of invention is defined by appending claims and equivalent thereof.
Claims (6)
1. a downhole sampler, it is characterised in that including:
One rope socket arranging top, arranges the detection part of rope socket lower end,
One connector, upper and lower side connects sensor holder and shuttle valve body respectively, described connector includes a gas cabin, expander is rear in arranging sensor holder to be connected with gas cabin, bottom, described gas cabin connects a push rod, the top being sequentially connected with push rod and the steel ball collar are fixed and are connected, and also set up a balance cabin in the bottom of connector
Described shuttle valve body includes a shuttle valve bar, shuttle valve bar is slidably connected with balance cabin, balance cabin heads on shuttle valve bar the steel ball collar hangs in connector when, and with locking bayonet fittings, shuttle valve bar is kept to become lock-out state, the shuttle valve bar of locking makes the trigger spring being arranged on shuttle valve bar be compressive state
Connecting a conjugation linkers below described shuttle valve body, mozzle is linked together by conjugation linkers with shuttle valve body and air chamber plug, shuttle valve body and air chamber screwed connection,
One sampling room, it is connected with the flow regulator seat of shuttle valve body lower portion, including a steel ball bracing frame arranging top, sampling room, it is socketed with drag link sleeve after steel ball bracing frame and piston rod cover for seat connect, below described piston rod seat, a compression spring is set, screw thread connects fixing to steel ball bracing frame, drag link sleeve, piston rod seat, compression spring and pressure ring
Arranging a piston guide connecting rod below described piston rod seat, the piston on sheathed piston guide connecting rod is connected with needle-valve body assembly, seal joint and piston screwed connection, arranges a sample inlet in described seal joint side,
It is stifled that the bottom of described sampling room arranges an end；
After sampling room and air chamber path are formed, owing to destination's stressor layer is more than the pressure of prefabricated solution force feed in sampling room, destination's layer original oil samples enters in underpiston sampling room from sample inlet, piston is pushed up by strata pressure along piston guide connecting rod, prefabricated solution force feed in sampling room is got in air chamber from mozzle；
Owing to prefabricated solution force feed exists certain pressure in sampling room, thus target zone sample oil enter into piston with LSAM in time, target zone sample oil can only be to enter in sampling room in the case of there is not any phase-state change;
When target zone sample oil is completely into time in sampling room, piston can be completely pushed to the top of drag link sleeve along piston guide connecting rod, piston continues upwards to push up drag link sleeve after arriving drag link sleeve top, drive piston guide connecting rod to travel upwardly when drag link sleeve travels upwardly, thus drive needle-valve body body assembly to travel upwardly, and then turn sample mouth blocking blocked sample inlet, turn sample pin simultaneously and stick in dowel bushing；Simultaneously when drag link sleeve is pushed up to steel ball bracing frame bottom, the steel ball in drag link sleeve to piston rod seat top, thus is stuck in piston rod seat top by steel ball bracing frame top.
A kind of downhole sampler the most according to claim 1, it is characterised in that: described needle-valve body assembly includes a needle-valve body, and needle-valve body is sequentially arranged above and turns the blocking of sample mouth and turn sample pin, and the one of described piston fluting is facing to needle-valve body body assembly.
A kind of downhole sampler the most according to claim 1, it is characterized in that: described air chamber plug is socketed with air chamber, vacuum valve screw thread is screwed on shuttle valve body, flow regulator connects with flow regulator cover for seat, pressurizing valve screw thread is screwed on flow regulator seat, flow regulator seat and sampling room's screwed connection.
A kind of downhole sampler the most according to claim 1, it is characterised in that: also include a pressure regulation valve rod in described shuttle valve body, the clamping screw below pressure regulation valve rod is set pressure regulation valve rod is fixed on shuttle valve body.
A kind of downhole sampler the most according to claim 1, it is characterized in that: described detection part includes arranging the intraskeletal wiring board of wiring board, and the sensor cabin on sensor holder is set, in described wiring board skeleton screwed connection wiring board casing, arranging a battery casing between described rope socket and wiring board casing, the battery arranged in battery casing provides electric power for detection part.
A kind of downhole sampler the most according to claim 1, it is characterised in that: handlance is connected to arrange on the pressurizing valve on shuttle valve body by high pressure line, utilizes handlance to injection pressure in sampling room, is 4000psi until sampling room pressure.
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| CN201310065224.6A CN103195418B (en) | 2013-03-01 | 2013-03-01 | A kind of downhole sampler |
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|---|---|---|---|
| CN201310065224.6A CN103195418B (en) | 2013-03-01 | 2013-03-01 | A kind of downhole sampler |
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| CN103195418B true CN103195418B (en) | 2016-08-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105089665B (en) * | 2014-05-14 | 2018-08-10 | 中国石油天然气股份有限公司 | Extraction type polymer solution sampler |
| CN106050226B (en) * | 2016-06-17 | 2022-12-02 | 杭州电子科技大学 | Sample pumping and discharging device applied to logging-while-drilling instrument |
| CN112539058A (en) * | 2019-09-20 | 2021-03-23 | 中国石油化工集团有限公司 | Sealed sampling device for geothermal fluid |
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| CN102619506A (en) * | 2011-05-27 | 2012-08-01 | 中国石油化工股份有限公司 | Displacement type sampler |
| CN202215241U (en) * | 2011-08-11 | 2012-05-09 | 中国石油化工股份有限公司 | High-temperature high-pressure airtight sampling device for ultra-deep ultra-thick oil well |
| CN202391422U (en) * | 2011-11-29 | 2012-08-22 | 西安思坦仪器股份有限公司 | Suction-type high-pressure physical property sampler |
| CN203145934U (en) * | 2013-03-01 | 2013-08-21 | 西安洛科电子科技有限责任公司 | Down-hole sampler |
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|---|---|
| CN103195418A (en) | 2013-07-10 |
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