CN206974772U - New sand-filling tube combination device - Google Patents
New sand-filling tube combination device Download PDFInfo
- Publication number
- CN206974772U CN206974772U CN201720764437.1U CN201720764437U CN206974772U CN 206974772 U CN206974772 U CN 206974772U CN 201720764437 U CN201720764437 U CN 201720764437U CN 206974772 U CN206974772 U CN 206974772U
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- CN
- China
- Prior art keywords
- fill out
- out sand
- sand tube
- tube
- cap
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Abstract
It the utility model is related to technical field of petroleum extraction, and in particular to a kind of new sand-filling tube combination device, including the hollow tubular fill out sand tube fixed on the ground, fill out sand tube outside are provided with external screw thread；Also include compaction apparatus, compaction apparatus includes compacting cap；The compacting cap is tubular, and upper end is solid section, and solid section is connected with external vibration device；Lower end is hollow parts, and fill out sand tube is stretched into the hollow parts, and hollow parts inwall is provided with the internal thread matched with fill out sand tube external screw thread；Also include compaction rod, compaction rod one end is stretched into fill out sand tube, and one end is located at fill out sand tube with being compacted in the hole of cap solid section.The utility model is compacted by the internal and external threads coupling of fill out sand tube and compacting cap to back-up sand so that fill out sand tube stress is more uniformly distributed, and will not be caused for a long time using the deformation of rear fill out sand tube.
Description
Technical field
It the utility model is related to technical field of petroleum extraction, and in particular to how one kind fills out permeability needed for experiment more
It is low, and the closer fill out sand tube of repeated filling permeability.
Background technology
In reservoir physical simulation experimentation is carried out, rock core is basic test medium, due to natural core coring
Constant and coring is expensive, and artificial core is limited by rock core length in addition can not simulate seepage flow of the fluid in oil reservoir completely
State, carrying out physical simulation experiment using fill out sand tube turns into the important choosing of numerous researcher's Study of Fluid seepage flow in the earth formation
Select.During physical simulation experiment is carried out using fill out sand tube, how to fill out suitable with in-place permeability, especially centering is low
Permeate oil reservoir, turn into can real simulation injection fluid seepage state in oil reservoir key.
Between fill out sand tube is mainly placed in two layers of baffle plate up and down by current existing sand-filling apparatus, by positioned at lower floor's baffle plate
The jack and upper strata baffle plate of lower section pressurize with inserting the compaction rod in fill out sand tube to the quartz sand in fill out sand tube.The device
Existing subject matter has：（1）Due between upper lower baffle plate it is adjustable apart from extremely limited, shorter to length fill out sand tube and
When the longer fill out sand tube of length carries out back-up sand, it is more inconvenient that it fills initial stage；（2）Fill out sand tube is in stowing operation, due to only
Upper and lower ends stress, fill out sand tube is not sufficiently stable in stowing operation, and in the course of time, easily causes fill out sand tube deformation damage
It is bad；（3）Because fill out sand tube can not vibrate, only rely on pressurization mode can not completely densified quartz sand therein, this aspect makes
It is generally larger into the fill out sand tube permeability filled；On the other hand, this also results in permeability between the fill out sand tube for repeating filling every time
Differ greatly, it is totally unfavorable to carrying out repetition physical simulation experiment.
The content of the invention
The utility model is intended in view of the above-mentioned problems, proposing a kind of new sand-filling tube combination device.
The technical solution of the utility model is：
New sand-filling tube combination device, including the hollow tubular fill out sand tube fixed on the ground, fill out sand tube outside are provided with outer
Screw thread；Also include compaction apparatus, compaction apparatus includes compacting cap；The compacting cap is tubular, and upper end is solid section, solid part
Divide and be connected with external vibration device；Lower end is hollow parts, and fill out sand tube is stretched into the hollow parts, and hollow parts inwall is provided with
The internal thread matched with fill out sand tube external screw thread；Also include compaction rod, compaction rod one end is stretched into fill out sand tube, and one end is located at fill out sand tube
With being compacted in the hole of cap solid section.
The compaction rod is made up of different in size, the diameter identical pipe nipple of some sections, and each pipe nipple bottom centre is provided with spiral shell
Nail, top are provided with thread groove, are attached between each adjacent pipe nipple by the cooperation of screw and thread groove.
Outside is provided with rotating disk in the middle part of the hollow cylinder, and rotating disk passes through six equally distributed welding supports and hollow cylinder
Middle part links；Rotating disk is marked with scale, for identifying the initial position and rotating cycle or angle of rotating disk.
The vibrating device includes vibrating head, flexible pipe and the motor being sequentially connected；Outside the solid section of the compacting cap
Portion is provided with groove, and vibrating head is stretched into the groove.
Also include fixing device, the fixing device includes base and retainer ring, and the base is secured by bolts in
On ground, base middle is provided with base groove, and fill out sand tube bottom is provided with and begun to crop up, and base groove is identical with emitting head shapes and with emitting
Head interference fit；The retainer ring inwall is provided with screw thread, and Fixing shrink ring is connected on fill out sand tube and fill out sand tube is fixed on into base
On.
It is of the present utility model to have technical effect that：
1st, back-up sand is compacted by the internal and external threads coupling of fill out sand tube and compacting cap so that fill out sand tube stress is more equal
It is even, it will not cause for a long time using the deformation of rear fill out sand tube.
2nd, preferably, the controllability for being compacted pole length causes when carrying out back-up sand to the fill out sand tube of different length, back-up sand
Process becomes more convenient.
3rd, the design of rotating disk can quantify from the anglec of rotation or rotating cycle to back-up sand compacting process.
4th, the addition of vibrating device promotes fill out sand tube to realize that compacting, vibration, the continuous of compacting follow in stowing operation
Ring, so that the fill out sand tube permeability filled is lower, and the fill out sand tube permeability of repeated filling is also more stable and homogeneous.
Brief description of the drawings
Fig. 1 is the structural representation of the new sand-filling tube combination device of the utility model.
Fig. 2 is the 30cm fill out sand tube perm-plug method comparison diagrams of the utility model embodiment 1.
Fig. 3 is the 100cm fill out sand tube perm-plug method comparison diagrams of the utility model embodiment 2.
Reference：1st, bolt, 2, base, 3, retainer ring, 4, fill out sand tube, 5, compaction rod, 6, compacting cap, 7, rotating disk,
8th, groove, 9, vibrating head, 10, flexible pipe, 11, motor, 12, begin to crop up, 13, base groove.
Embodiment
New sand-filling tube combination device, including the hollow tubular fill out sand tube 4 fixed on the ground, the outside of fill out sand tube 4 are provided with
External screw thread；Also include compaction apparatus, compaction apparatus includes compacting cap 6；The compacting cap 6 is tubular, and upper end is solid section, real
Center portion point is connected with external vibration device；Lower end is hollow parts, and fill out sand tube 4 is stretched into the hollow parts, hollow parts inwall
It is provided with the internal thread matched with the external screw thread of fill out sand tube 4；Compaction rod 5, the one end of compaction rod 5 and solid part are additionally provided with compacting cap 6
Divide connection, one end is stretched into fill out sand tube 4.The compaction rod 5 is made up of different in size, the diameter identical pipe nipple of some sections, each
Pipe nipple bottom centre is provided with screw, and top is provided with thread groove 8, passes through screw and thread groove 8 between each adjacent pipe nipple
Cooperation is attached.Outside is provided with rotating disk 7 in the middle part of the hollow cylinder, and rotating disk 7 passes through six equally distributed welding supports
With being linked in the middle part of hollow cylinder；Rotating disk 7 is marked with scale, for identifying the initial position and rotating cycle or angle of rotating disk 7.
The vibrating device includes vibrating head 9, flexible pipe 10 and the motor 11 being sequentially connected；Outside the solid section of the compacting cap 6
Provided with groove 8, vibrating head 9 is stretched into the groove 8.Also include fixing device, the fixing device includes base 2 and retainer ring
3, the base 2 is fixed on ground by bolt 1, and the middle of base 2 is provided with base groove 13, and the bottom of fill out sand tube 4, which is provided with, to be emitted
First 12, base groove 13 it is identical with 12 shapes of begining to crop up and with 12 interference fits of begining to crop up；The inwall of retainer ring 3 is provided with screw thread,
Retainer ring 3 is socketed on fill out sand tube 4 and fill out sand tube 4 is fixed on base 2.
It is of the present utility model as follows using step：
1st, base 2 is fixed on level ground using bolt 1.
2nd, fill out sand tube 4 12 is placed in base groove 13 by begining to crop up.
3rd, retainer ring 3 is passed through into fill out sand tube 4 from top to bottom, passes through screw-thread securing fill out sand tube 4.
4th, according to the length of the fill out sand tube 4 of required filling, the volume for loading quartz sand in whole fill out sand tube 4 is calculated, and
Quartz sand is added in fill out sand tube 4, the volume for adding quartz sand is 1/3rd of the whole volume of fill out sand tube 4.
5th, it is different according to the height and the length of the compacting hollow parts of cap 6 that quartz sand is added in fill out sand tube 4, combination connection
Compaction rod 5 is put into fill out sand tube 4 by the pipe nipple of length with adjusting compaction rod 5 to suitable length.
6th, compacting cap 6 is enclosed on fill out sand tube 4, will be pressed using the screw thread between rotating disk 7 and compacting cap 6 and fill out sand tube 4
Real cap 6 is threaded to its solid section bottom and contacted with compaction rod 5.
7th, the scale initial position and the anglec of rotation of rotating disk 7 now in rotating disk 7 are write down.
8th, retainer ring 3 is unloaded from fill out sand tube 4, and vibrating head 9 is put into the groove 8 of the compacting upper end solid section of cap 6
It is interior, stopwatch is additionally provided with motor 11, presses stopwatch while opening motor 11, vibrating head 9 can drive fill out sand tube 4 to combine the unit gently
Micro-vibration, the time of vibration is recorded by stopwatch.
9th, retainer ring 3 is fastened into fill out sand tube 4 again, fill out sand tube 4 carried out second using the gyratory compaction cap 6 of rotating disk 7
Compacting.
10th, repeat step 8 again.
11st, retainer ring 3 is fastened into fill out sand tube 4 again, third time is carried out to fill out sand tube 4 using the gyratory compaction cap 6 of rotating disk 7
Compacting.
12nd, 3-11 steps are repeated twice, until finally finishing the filling of whole fill out sand tube 4.
Embodiment 1
1st, base 2 is fixed on level ground using bolt 1.
2nd, the fill out sand tube 4 that length is 30cm 12 is placed in base groove 13 by begining to crop up.
3rd, retainer ring 3 is passed through into fill out sand tube 4 from top to bottom, passes through screw-thread securing fill out sand tube 4.
4th, according to the total length of the fill out sand tube 4 of required filling, the volume of quartz sand can be loaded about by calculating in whole fill out sand tube 4
For 588.75mL, and quartz sand is added in fill out sand tube 4, add the volume of quartz sand as three points of the whole volume of fill out sand tube 4
One of, it is about 196.25mL to add quartz sand body product.
5th, according to the height and the length of the compacting hollow parts of cap 6 that quartz sand is added in fill out sand tube 4, compaction rod 5 is adjusted
Length, and compaction rod 5 is put into fill out sand tube 4.
6th, compacting cap 6 is enclosed on fill out sand tube 4, will be pressed using the screw thread between rotating disk 7 and compacting cap 6 and fill out sand tube 4
Real cap 6 is threaded to its solid section bottom and contacted with compaction rod 5.
7th, the scale initial position now in rotating disk 7 is write down, rotation rotating disk 70.5 is enclosed.
8th, retainer ring 3 is unloaded from fill out sand tube 4, and vibrating head 9 is put into the groove 8 of the compacting upper end solid section of cap 6
It is interior, stopwatch is additionally provided with motor 11, stopwatch is pressed while opening motor 11, vibrating head 9 can drive fill out sand tube 4 to combine the unit edge
Circumferencial direction slightly shakes, and when time of vibration is to 30s, stops vibrations.
9th, retainer ring 3 is fastened into fill out sand tube 4 again, fill out sand tube 4 carried out second using the gyratory compaction cap 6 of rotating disk 7
Compacting, the rotating cycle of rotating disk 7 are 0.3 circle.
10th, repeat step 8 again.
11st, retainer ring 3 is fastened into fill out sand tube 4 again, third time is carried out to fill out sand tube 4 using the gyratory compaction cap 6 of rotating disk 7
Compacting, the rotating cycle of rotating disk 7 are 0.2 circle.
12nd, 3-11 steps are repeated twice, until finally finishing the filling of whole fill out sand tube 4.
As shown in Fig. 2 the fill out sand tube 4 that former sand-filling apparatus and this sand-filling apparatus are filled fills three times respectively, and carry out
Measuring gas permebility and knowable to being contrasted, using the fill out sand tube 4 of new sand-filling tube combination device filling, its permeability is obvious
Less than the fill out sand tube 4 using the filling of former sand-filling apparatus, and the permeability of fill out sand tube 4 of multigroup repetition filling experiment is clearly more close
Stably.
Embodiment 2
1st, base 2 is fixed on level ground using the nut of bolt 1.
2nd, the fill out sand tube 4 that length is 100cm 12 is placed in base groove 13 by begining to crop up.
3rd, retainer ring 3 is passed through into fill out sand tube 4 from top to bottom, passes through screw-thread securing fill out sand tube 4.
4th, according to the total length of the fill out sand tube 4 of required filling, the volume of quartz sand can be loaded about by calculating in whole fill out sand tube 4
For 1962.50mL, and quartz sand is added in fill out sand tube 4, add the volume of quartz sand as three points of the whole volume of fill out sand tube 4
One of, it is about 654.17mL to add quartz sand body product.
5th, according to the height and the length of the compacting hollow parts of cap 6 that quartz sand is added in fill out sand tube 4, compaction rod 5 is adjusted
Length, and compaction rod 5 is put into fill out sand tube 4.
6th, compacting cap 6 is enclosed on fill out sand tube 4, will be pressed using the screw thread between rotating disk 7 and compacting cap 6 and fill out sand tube 4
Real cap 6 is threaded to its solid section bottom and contacted with compaction rod 5.
7th, the scale initial position now in rotating disk 7 is write down, rotation rotating disk 1.5 is enclosed.
8th, retainer ring 3 is unloaded from fill out sand tube 4, and vibrating head 9 is put into the groove 8 of compacting cap 6 upper end, motor 11
On be additionally provided with stopwatch, press stopwatch while opening motor 11, vibrating head 9 can drive fill out sand tube 4 to combine the unit along the circumferential direction
Slight vibrations, when shaking the time to 30s, stop vibrations.
9th, retainer ring 3 is fastened into fill out sand tube 4 again, fill out sand tube 4 carried out second using the gyratory compaction cap 6 of rotating disk 7
Compacting, the rotating cycle of rotating disk 7 are 0.9 circle.
10th, repeat step 8 again.
11st, retainer ring 3 is fastened into fill out sand tube 4 again, third time is carried out to fill out sand tube 4 using the gyratory compaction cap 6 of rotating disk 7
Compacting, the rotating cycle of rotating disk 7 are 0.6 circle.
12nd, 3-11 steps are repeated twice, until finally finishing the filling of whole fill out sand tube 4.
As shown in figure 3, the fill out sand tube 4 that former sand-filling apparatus and this sand-filling apparatus are filled fills three times respectively, and carry out
Measuring gas permebility and knowable to being contrasted, using the fill out sand tube 4 of new sand-filling tube combination device filling, its permeability is obvious
Less than the fill out sand tube 4 using the filling of former sand-filling apparatus, and the permeability of fill out sand tube 4 of multigroup repetition filling experiment is clearly more close
Stably.
Claims (5)
1. new sand-filling tube combination device, including the hollow tubular fill out sand tube fixed on the ground（4）, fill out sand tube（4）Outside is set
There is external screw thread；It is characterized in that：Also include compaction apparatus, compaction apparatus includes compacting cap（6）；The compacting cap（6）For tubular,
Upper end is solid section, and solid section is connected with external vibration device；Lower end is hollow parts, fill out sand tube（4）It is hollow to stretch into this
In part, hollow parts inwall is provided with and fill out sand tube（4）The internal thread of external screw thread matching；Also include compaction rod（5）, compaction rod
（5）Fill out sand tube is stretched into one end（4）Interior, one end is located at fill out sand tube（4）With being compacted cap（6）In the hole of solid section.
2. new sand-filling tube combination device according to claim 1, it is characterised in that：The compaction rod（5）By some sections
Different in size, diameter identical pipe nipple composition, each pipe nipple bottom centre are provided with screw, and top is provided with thread groove（8）, each
Pass through screw and thread groove between adjacent pipe nipple（8）Cooperation be attached.
3. new sand-filling tube combination device according to claim 2, it is characterised in that：Outside is provided with the middle part of the hollow cylinder
Rotating disk（7）, rotating disk（7）By six equally distributed welding supports with being linked in the middle part of hollow cylinder；Rotating disk（7）It is marked with
Scale, for identifying rotating disk（7）Initial position and rotating cycle or angle.
4. new sand-filling tube combination device according to claim 3, it is characterised in that：The vibrating device includes connecting successively
The vibrating head connect（9）, flexible pipe（10）And motor（11）；The compacting cap（6）Solid section outside be provided with groove（8）, shake
Dynamic rod（9）Stretch into the groove（8）In.
5. new sand-filling tube combination device according to claim 4, it is characterised in that：Also include fixing device, it is described solid
Determining device includes base（2）And retainer ring（3）, the base（2）Pass through bolt（1）It is fixed on ground, base（2）Center
Between be provided with base groove（13）, fill out sand tube（4）Bottom is provided with and begun to crop up（12）, base groove（13）With begining to crop up（12）Shape it is identical and
With begining to crop up（12）Interference fit；The retainer ring（3）Inwall is provided with screw thread, retainer ring（3）It is socketed in fill out sand tube（4）Go up and incite somebody to action
Fill out sand tube（4）It is fixed on base（2）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764437.1U CN206974772U (en) | 2017-06-28 | 2017-06-28 | New sand-filling tube combination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764437.1U CN206974772U (en) | 2017-06-28 | 2017-06-28 | New sand-filling tube combination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206974772U true CN206974772U (en) | 2018-02-06 |
Family
ID=61406969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720764437.1U Expired - Fee Related CN206974772U (en) | 2017-06-28 | 2017-06-28 | New sand-filling tube combination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206974772U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296362A (en) * | 2018-08-31 | 2019-02-01 | 中国石油天然气股份有限公司 | Rotate sand-filling apparatus, the rotation back-up sand system and method applied to sandpack column |
| CN111119874A (en) * | 2018-10-31 | 2020-05-08 | 中国石油化工股份有限公司 | Combined type sand filling device with controllable permeability and sand filling method |
| CN113107459A (en) * | 2021-03-29 | 2021-07-13 | 西安石油大学 | Oil displacement sand pipe model sand filling-discharging integrated device and experimental method |
-
2017
- 2017-06-28 CN CN201720764437.1U patent/CN206974772U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296362A (en) * | 2018-08-31 | 2019-02-01 | 中国石油天然气股份有限公司 | Rotate sand-filling apparatus, the rotation back-up sand system and method applied to sandpack column |
| CN111119874A (en) * | 2018-10-31 | 2020-05-08 | 中国石油化工股份有限公司 | Combined type sand filling device with controllable permeability and sand filling method |
| CN111119874B (en) * | 2018-10-31 | 2023-09-01 | 中国石油化工股份有限公司 | Combined sand filling device with controllable permeability and sand filling method |
| CN113107459A (en) * | 2021-03-29 | 2021-07-13 | 西安石油大学 | Oil displacement sand pipe model sand filling-discharging integrated device and experimental method |
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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: 20180206 Termination date: 20210628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |