CN207144939U - A kind of oil well applied pressure by annulus high pressure physical property sample device - Google Patents
A kind of oil well applied pressure by annulus high pressure physical property sample device Download PDFInfo
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- CN207144939U CN207144939U CN201721133442.9U CN201721133442U CN207144939U CN 207144939 U CN207144939 U CN 207144939U CN 201721133442 U CN201721133442 U CN 201721133442U CN 207144939 U CN207144939 U CN 207144939U
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- Prior art keywords
- pressure
- physical property
- high pressure
- oil well
- sample device
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- 230000000704 physical effect Effects 0.000 title claims abstract description 26
- 239000003129 oil well Substances 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000008520 organization Effects 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims description 34
- 239000007853 buffer solution Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 230000003213 activating effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of oil well applied pressure by annulus high pressure physical property sample device, including：Cylinder is held in the palm, it is the cylindrical tube of inner hollow, and is internally provided with undergauge, and multiple pressure transmission holes arranged in a ring are provided with outside the support cylinder；Pressure-transmitting joint, it is arranged on inside the support cylinder, and one end is fixed on the undergauge；Multiple controlling organizations, it is connected to the other end of the pressure-transmitting joint；Multiple samplers, it is connected by connector with the multiple controller；Wherein, the pressure-transmitting joint top is provided with rupture disk, and it is relative with the pressure transmission hole site, can receive the external pressure from the pressure transmission hole transmission, triggers controlling organization, while or excite sampler to be sampled in batches.Mechanical watch is substituted using rupture disk, traditional steel wire tripping in high pressure physical property sample instrument is substituted to depth selection by boring (oil) bar, surface annulus pressurization, triggers rupture disk, the trigger mechanism for activating sampler is sampled.
Description
Technical field
A kind of oil well applied pressure by annulus high pressure physical property sample device is the utility model is related to, belongs to oil-gas mining field.
Background technology
High pressure physical property sample refers to, is used to analyze on stratum in oil reservoir or close to the collection of oil reservoir position by downhole sampler
The crude oil product of the physical property of oil and parameter under high-temperature and high-pressure conditions.
It is in oil gas field evaluating reservoir, oil gas to obtain the high pressure property of characteristic of fluid under reservoir condition (PVT) parameter
Field exploitation design and Predicting The Recovery Efficiency research provide foundation, and down-hole high pressure physical property sampling operation is very universal.
Existing down-hole high pressure physical property sampling operation uses clock control more, but clock control has the defects of certain：
High-inclination directional well and horizontal well frictional resistance are big, and heavy oil wells buoyancy is big, and the tripping in of steel wire tripping in instrument is difficult, in addition can not tripping in extremely
Desired depth；High temp/high pressure and high hydrogen sulfide well blowout preventer operating risk are big；Deep water hydrate easily causes underground complexity feelings
The appearance of condition, avoids steel wire operation.Steel wire or cable well sampling, well head is installed spraying-preventing system and risen, lower instrument adds
Activity duration, reduce operation timeliness.
Utility model content
The utility model has designed and developed a kind of oil well applied pressure by annulus high pressure physical property sample device, can overcome existing take
Sampling device depth of setting not enough, need the well head extra mounting auxiliary the problem of.
Technical scheme provided by the utility model is：
A kind of oil well applied pressure by annulus high pressure physical property sample device, including：
Cylinder is held in the palm, it is the cylindrical tube of inner hollow, and is internally provided with undergauge, is provided with outside the support cylinder in ring
Multiple pressure transmission holes of shape arrangement；
Pressure-transmitting joint, it is arranged on inside the support cylinder, and one end is fixed on the undergauge；
Multiple controlling organizations, it is connected to the other end of the pressure-transmitting joint；
Multiple samplers, it is connected by connector with the multiple controller；
Wherein, the pressure-transmitting joint top is provided with rupture disk, and it is relative with the pressure transmission hole site, can receive and come from
The external pressure of the pressure transmission hole transmission, controlling organization is triggered, while or excite sampler to be sampled in batches.
Preferably, the pressure-transmitting joint also includes sealed packing, and it is arranged on the both ends of the rupture disk.
Preferably, one end of the other end of the pressure-transmitting joint and support connects, the other end covering institute of the support
State controlling organization.
Preferably, the support includes two assistant supports, and two assistant supports are symmetrical arranged, and centre forms annular flow
Dynamic passage, the controlling organization of placement is set to form annulus structure.
Preferably, the assistant support includes long and short two panels assistant support again, is bolted, wherein described long and short two
Putting hole is provided with axial direction between piece assistant support.
Preferably, the quantity of the putting hole on each assistant support is at least 2, at most no more than 4.
Preferably, the sampler includes：
Trigger mechanism, its one end are inconsistent by connector and the corresponding controller；
Air chamber, its one end are connected with the other end of the trigger mechanism；
Sampling room, it is arranged on the bottom of the air chamber, and communicates therewith, and bottom is provided with piston, and it, which is set in, leads
To on bar.
Preferably, the sampler also includes：
Separator tube, it is arranged in the air chamber, and the sampling room is connected with the air chamber；
Flow regulator, it is arranged on the sampling room and the air chamber junction, can adjust the discharge of buffer solution
Speed；
Preset shutoff device, it is arranged on the sampling room top, can close the sampler.
Preferably, one end of the guide rod is connected with needle-valve body, and underground sample liquid trap can taken after sampling
In specimen chamber.
Preferably, one end of the support cylinder is connected with top connection, and the other end is connected with lower contact.
Beneficial effect described in the utility model：Mechanical watch is substituted using rupture disk, traditional steel is substituted by boring (oil) bar
Silk tripping in high pressure physical property sample instrument surface annulus pressurization, triggers rupture disk, activates the trigger mechanism of sampler to depth selection
It is sampled.Solve depth of setting and well head leakage problem, job safety, reduce the activity duration, it is not necessary to which well head is installed
Spraying-preventing system and steel wire rise, lower instrument, improve operation timeliness, controllability is strong.One support can be activated simultaneously using rupture disk
The trigger mechanism of all samplers on cylinder, disposably obtain up to 8 formation fluid downhole samples；Can also individually it break up brokenly
Split the trigger mechanism that disk optionally activates sampler, thus can in different flowing stages, individually each or it is multiple,
Formation fluid downhole sampling is carried out in batch.
Brief description of the drawings
Fig. 1 is the structural representation of oil well applied pressure by annulus high pressure physical property sample device described in the utility model.
Fig. 2 is the structural representation that pressure-transmitting joint described in the utility model connects with controller.
Fig. 3 is the structural representation of sampler described in the utility model.
Fig. 4 is the structural representation of assistant support described in the utility model.
Fig. 5 is the structural representation of the lengthy motion picture assistant support of assistant support described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
As Figure 1-5, the utility model provides a kind of oil well applied pressure by annulus high pressure physical property sample device, including：Pass
Crimp head, controlling organization, sampler 300, support cylinder 400 and support 500.
Hold in the palm the cylindrical tube structure that cylinder 400 is inner hollow, both ends are connected to top connection and lower contact, top connection and
Lower contact can be connected by screw thread with drilling rod, inside the one end of support cylinder 400 close to top connection, be provided with undergauge, pressure transmission connects
One end of head is fixed on undergauge.
Pressure-transmitting joint is arranged on inside support cylinder, including sealed packing 110, wherein the first rupture disk 120, sealed packing 110
The upper and lower ends of rupture disk 120 are arranged on, on support cylinder 400, on the position corresponding with the first rupture disk 120, are provided with more
The individual pressure transmission hole being distributed in a ring, can transmit external pressure.
As a preferred embodiment, in the utility model, the quantity of pressure transmission hole is four.
The other end of pressure-transmitting joint is connected with one end of support 500, and the other end of support 500 is covered on controlling organization.
Support 500 includes two assistant supports；Two assistant supports are symmetrical arranged, and centre forms annular flow passage, make the control machine of placement
It is configured to annulus structure.
Each assistant support includes lengthy motion picture assistant support 520 and short-movie assistant support 510, lengthy motion picture assistant support 520 and short-movie assistant support
Putting hole 521 is provided with axial direction between 510, can be used for placing controlling organization or sampler.Lengthy motion picture assistant support 520 can
Cover controlling organization, one end connection pressure-transmitting joint other end connection control mechanism of short-movie assistant support.
Controlling organization includes the rupture trigger mechanism 220 of disk controller 210 and first, wherein rupture disk controller 210 can
Connected with rupture disk 120, the first trigger mechanism 220 is connected by connector with one end of sampler 300, sampler 300
The other end be connected by support 500 with lower contact.
The quantity of putting hole on each assistant support is at least 2, at most no more than 4.
The second rupture disk is provided with disk controller 210 is ruptured, wherein, the pressure rating of the first rupture disk 120 is less than
Or the pressure equal to the second rupture disk, when pressure rating is identical, controlling organization excites the second trigger mechanism 310, Suo Youqu
Sample device 300 will carry out sampling simultaneously, and when pressure rating difference, sampling will be conducted batch-wise in sampler, meet different flowing stages
Sampling requirement.
Sampler 300 includes successively from top to bottom：Second trigger mechanism 310, air chamber 330, preset closing assembly 350 with
And sampling room 370；
Second trigger mechanism 310 is arranged on the top of sampler, and it is triggered by the first of connector and controlling organization
Mechanism 220 is inconsistent.
Air chamber 330 is arranged on the lower section of trigger mechanism 310, with setting sampling room 370 thereunder to connect, sampling room
Guide rod 360 is provided with 370, bottom is provided with piston 380, and the sealing of piston 380 is set on guide rod 360, can stored
Buffer solution, and after sampling terminates, store downhole samples；Needle-valve body 390 is connected to the bottom of guide rod 360, the energy of guide rod 360
Enough lifting needle-valve body 390 move upwards, needle-valve body 390 can triggering sample after underground sample liquid trap in sampling room 370.
In sampling room 370 and the junction of air chamber 330, flow regulator 340 is additionally provided with, buffer solution can be adjusted
Rate of discharge.
Separator tube 320 is arranged in air chamber, can be connected sampling room 370 with the air chamber 330, in sampling room
370 top is provided with preset closing assembly 350, can close sampler.
Shuttle bar is additionally provided with sampler 300, touches, will can take with one end tap of the separator tube 320 in air chamber 330
Specimen chamber 370 and air chamber 330 are separated and turned on.
Piston 380 constrains in sampling room bottom by buffering oil, when being connected to sampling instruction, ground increase annular pressure, hits
Broken first rupture disk 120 optionally activates the second trigger mechanism 310, it is allowed to which shuttle bar is moved up, and one is formed in shuttle mechanism
Individual path.
Down-hole liquid enters the bottom of sampling room 370 by the entrance of needle-valve body 390, promotes piston 380 along guide rod
360 motions upwards, the buffer solution on the top of piston 380 is forced through separator tube 320 and is discharged in air chamber 330, discharge rate by
Flow regulator 340 controls, and as downhole samples slowly fill sampling room 370, piston 380 moves upwards, until piston 380 touches
To preset closing assembly 350, device outer sleeve is begun to ramp up, while discharges locking steel ball, and center core, which shortens, to be hit, and leads
Needle-valve body 390 is dragged to bar 360 to move up." O " environmentally friendly sheath and needle-valve body 390 enter sampling room 370.As second " O "
After ring protection set enters sampling room 370, position-limitting pin ejects locked needle-valve body 390, and sampler 300 is closed.Finally annular space is added
Pressure high pressure physical property sample device lifts out well, completes sampling.
Mechanical watch is substituted using rupture disk, by boring (oil) bar traditional steel wire tripping in high pressure physical property sample instrument of replacement to taking
Sample depth, surface annulus pressurization, triggers rupture disk, and the trigger mechanism for activating sampler is sampled.Solve depth of setting and
Well head leakage problem, job safety, reduces the activity duration, it is not necessary to which well head installs spraying-preventing system and steel wire, lower instrument, carries
High operation timeliness, controllability are strong.Using rupture disk can activate simultaneously one support cylinder on all samplers trigger mechanism, one
Obtain to secondary property up to 8 formation fluid downhole samples；Rupture disk can also individually be broken up and optionally activate touching for sampler
Send out mechanism, thus can in different flowing stages, individually each or it is multiple, carry out formation fluid downhole in batch and take
Sample.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (10)
- A kind of 1. oil well applied pressure by annulus high pressure physical property sample device, it is characterised in that including：Cylinder is held in the palm, it is the cylindrical tube of inner hollow, and is internally provided with undergauge, is provided with outside the support cylinder and arranges in a ring Multiple pressure transmission holes of row；Pressure-transmitting joint, it is arranged on inside the support cylinder, and one end is fixed on the undergauge；Multiple controlling organizations, it is connected to the other end of the pressure-transmitting joint；Multiple samplers, it is connected by connector with the multiple controller；Wherein, the pressure-transmitting joint top is provided with rupture disk, and it is relative with the pressure transmission hole site, can receive from described The external pressure of pressure transmission hole transmission, controlling organization is triggered, while or excite sampler to be sampled in batches.
- 2. oil well according to claim 1 applied pressure by annulus high pressure physical property sample device, it is characterised in that the pressure transmission connects Head also includes sealed packing, and it is arranged on the both ends of the rupture disk.
- 3. oil well according to claim 2 applied pressure by annulus high pressure physical property sample device, it is characterised in that the pressure transmission connects The other end of head and one end of support connect, and the other end of the support covers the controlling organization.
- 4. oil well according to claim 3 applied pressure by annulus high pressure physical property sample device, it is characterised in that the support bag Two assistant supports are included, two assistant supports are symmetrical arranged, and centre forms annular flow passage, forms the controlling organization of placement Annulus structure.
- 5. oil well according to claim 4 applied pressure by annulus high pressure physical property sample device, it is characterised in that the assistant support Include long and short two panels assistant support again, be bolted, wherein being provided with the axial direction between the long and short two panels assistant support Putting hole.
- 6. oil well according to claim 5 applied pressure by annulus high pressure physical property sample device, it is characterised in that each pair The quantity of putting hole on support is at least 2, at most no more than 4.
- 7. oil well according to claim 4 applied pressure by annulus high pressure physical property sample device, it is characterised in that the sampler Including：Trigger mechanism, its one end are inconsistent by connector and the corresponding controller；Air chamber, its one end are connected with the other end of the trigger mechanism；Sampling room, it is arranged on the bottom of the air chamber, and communicates therewith, and bottom is provided with piston, and it is set in guide rod On.
- 8. oil well according to claim 7 applied pressure by annulus high pressure physical property sample device, it is characterised in that the sampler Also include：Separator tube, it is arranged in the air chamber, and the sampling room is connected with the air chamber；Flow regulator, it is arranged on the sampling room and the air chamber junction, can adjust the rate of discharge of buffer solution；Preset shutoff device, it is arranged on the sampling room top, can close the sampler.
- 9. oil well according to claim 8 applied pressure by annulus high pressure physical property sample device, it is characterised in that the guide rod One end be connected with needle-valve body, can be after sampling underground sample liquid trap in sampling room.
- 10. oil well according to claim 1 applied pressure by annulus high pressure physical property sample device, it is characterised in that the support cylinder One end be connected with top connection, the other end is connected with lower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721133442.9U CN207144939U (en) | 2017-09-06 | 2017-09-06 | A kind of oil well applied pressure by annulus high pressure physical property sample device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721133442.9U CN207144939U (en) | 2017-09-06 | 2017-09-06 | A kind of oil well applied pressure by annulus high pressure physical property sample device |
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| Publication Number | Publication Date |
|---|---|
| CN207144939U true CN207144939U (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721133442.9U Expired - Fee Related CN207144939U (en) | 2017-09-06 | 2017-09-06 | A kind of oil well applied pressure by annulus high pressure physical property sample device |
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| Country | Link |
|---|---|
| CN (1) | CN207144939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-09-06 CN CN201721133442.9U patent/CN207144939U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |