CN207396449U - A kind of back-up sand pipe device for being used to evaluate sand-fixating agent system - Google Patents
A kind of back-up sand pipe device for being used to evaluate sand-fixating agent system Download PDFInfo
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- CN207396449U CN207396449U CN201721523730.5U CN201721523730U CN207396449U CN 207396449 U CN207396449 U CN 207396449U CN 201721523730 U CN201721523730 U CN 201721523730U CN 207396449 U CN207396449 U CN 207396449U
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- Prior art keywords
- sand
- fill out
- agent system
- branch
- tube
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Abstract
The utility model belongs to oil field development indoor moveable experimental provision technical field.A kind of back-up sand pipe device for being used to evaluate sand-fixating agent system, including constant-flux pump, fill out sand tube and sand-fixating agent system device branch, stratum water installations branch and simulation oil device branch between constant-flux pump, fill out sand tube, the sand-fixating agent system device branch, stratum water installations branch and simulation oil device branch are equipped with valve on the road and one end is connected respectively with constant-flux pump, the other end is connected after connecting pipeline mixes with fill out sand tube, reservoir sand is filled in fill out sand tube, the fill out sand tube both ends carry out sealing by rubber plug；Further include core holding unit, the core holding unit is hollow cylindrical, outer barrel and inner cylinder are followed successively by from outside to inside, the core holding unit both ends vertical with inner cylinder extending direction are equipped with cover, the core holding unit is also associated with confining pressure pump, the utility model can be vacuumized, saturated water, saturated oils, calculate the porosity, oil saturation and permeability of model.
Description
Technical field
The utility model is related to the back-up sand pipe devices of flowing experiment evaluation sand-fixating agent system performance, belong in oil field development room
Flooding test device technical field.
Background technology
Sand production of oil-gas wells can lead to problems such as pit shaft sand plug, equipment attrition, holddown.For the oil reservoir easily to shake out, sand control
Work is played for the steady operation of oil/gas well and its important role.Anti-sand method is broadly divided into mechanical means and chemistry side
Method.The resin sand consolidation technology of chemical method is a kind of common technology.Resin sand consolidation technology needs to evaluate solid sand by laboratory experiment
The performance of agent system.
At present, during experimental evaluation sand-fixating agent system performance, sand-fixating agent system performance can not be evaluated with flowing experiment.It can only be into
Row static evaluation is tested, and after reservoir sand and sand-fixating agent system are stirred evenly in proportion, is filled on request in container, system is quiet
After putting a period of time, take out induration and carry out performance evaluation.It is imitated to study solid sand after sand-fixating agent system is injected into oil/gas well
Fruit evaluates sand-fixating agent system performance, it is necessary to carry out flowing experiment.
Utility model content
The utility model is intended in view of the above-mentioned problems, proposing a kind of be convenient for flowing experiment evaluation sand-fixating agent system performance
Back-up sand pipe device.
The technical solution of the utility model is：
It is a kind of for evaluating the back-up sand pipe device of sand-fixating agent system, including constant-flux pump, fill out sand tube and positioned at constant-flux pump, fill out
Sand-fixating agent system device branch, stratum water installations branch and simulation oil device branch between sandpipe, the sand-fixating agent system
Device branch, stratum water installations branch and simulation oil device branch are equipped with valve on the road and one end is connected respectively with constant-flux pump,
The other end is connected after connecting pipeline mixes with fill out sand tube, and reservoir sand is filled in fill out sand tube, and the fill out sand tube both ends pass through glue
Fill in row sealing；Further include core holding unit, the core holding unit is hollow cylindrical, be followed successively by from outside to inside outer barrel and
Inner cylinder, fill out sand tube are located in inner cylinder, the outer barrel internal diameter ＞ inner cylinders outer diameter ＞ inner cylinder internal diameter ＞ back-up sand pipe outside diameters, inner cylinder and outer barrel
Between form annular space, the core holding unit both ends vertical with inner cylinder extending direction are equipped with cover, and connecting pipeline passes through cover
And rubber plug inside fill out sand tube with being connected；The core holding unit is also associated with confining pressure pump, and confining pressure pump is connected with annular space.
The back-up sand length of tube is 10cm, and outer tube diameter is 2.5cm, and wall thickness is 0.23cm ~ 0.50cm.
The core holding unit inner tube diameter is 2.55cm ~ 2.60cm.
Vacuum pump is further included, the vacuum pump is connected with connecting pipeline；It is vacuumized for fill out sand tube, it then can with saturation
Layer water.
Sand-fixating agent system device branch, stratum water installations branch and the simulation oil device branch and rock core clamping
Device is respectively positioned in heat-preserving equipment.
The heat-preserving equipment is insulating box.
The utility model has technical effect that：
When the utility model is used, starting confining pressure pump, the inner cylinder of core holding unit tightly surrounds fill out sand tube, make inner cylinder and
Fill out sand tube is seamless.Its advantage one is that the reservoir sand in back-up sand pipe die is made to have pressure, simulated formation pressure environment；Second is that it avoids
It injects fluid to flow along the gap between clamper and fill out sand tube, injection fluid is made to fully enter fill out sand tube.Realize utilization
Sand-fixating agent system is injected into fill out sand tube by the method for flowing experiment, and sand-fixating agent system performance is evaluated, and can filled out
After sandpipe is full of reservoir sand, can be vacuumized, saturated water, saturated oils, calculate the porosity of model, oil saturation and
Permeability.
Description of the drawings
Fig. 1 is a kind of structure diagram for the back-up sand pipe device for being used to evaluate sand-fixating agent system of the utility model.
Reference numeral：1- confining pressures pump, 2- constant-flux pumps, 3- vacuum pumps, 4- sand-fixating agent system devices, 5- stratum water installations, 6-
Simulation oil device, 7- insulating boxs, 8- fill out sand tube, 9- reservoir sands, 10- rubber plugs, 11- inner cylinders, 12- outer barrels, 13- connecting pipelines, 14-
Cover.
Specific embodiment
A kind of back-up sand pipe device for being used to evaluate sand-fixating agent system, including constant-flux pump 2, fill out sand tube 8 and positioned at constant-flux pump
2nd, 4 branch of sand-fixating agent system device between fill out sand tube 8,6 branch of 5 branch of stratum water installations and simulation oil device, it is described solid
64 branch of sand agent system device, 5 branch of stratum water installations and simulation oil device roads be equipped with valve and one end respectively with
Constant-flux pump 2 connects, and the other end is connected after the mixing of connecting pipeline 13 with fill out sand tube 8, and reservoir sand 9 is filled in fill out sand tube 8, described
8 both ends of fill out sand tube carry out sealing by rubber plug 10；Core holding unit is further included, the core holding unit is hollow cylindrical, from
Outer barrel 12 and inner cylinder 11 are followed successively by outside to inside, and fill out sand tube 8 is located in inner cylinder 11,12 internal diameter ＞ inner cylinders of outer barrel, the 11 outer diameter ＞
11 internal diameter ＞ fill out sand tube of inner cylinder, 8 outer diameter, forms annular space, core holding unit extends with inner cylinder 11 between inner cylinder 11 and outer barrel 12
The vertical both ends in direction are equipped with cover 14, and connecting pipeline 13 is connected through cover 14 and rubber plug 10 with 8 inside of fill out sand tube；It is described
Core holding unit is also associated with confining pressure pump 1, and confining pressure pump 1 is connected with annular space.8 length of fill out sand tube is 10cm, outside
Caliber is 2.5cm, and wall thickness is 0.23cm ~ 0.50cm.The core holding unit inner tube diameter is 2.55cm ~ 2.60cm.Also wrap
Vacuum pump 3 is included, the vacuum pump 3 is connected with connecting pipeline 13；It is vacuumized for fill out sand tube 8, it then can be with saturation water flooding.Institute
4 branch of sand-fixating agent system device, 5 branch of stratum water installations and 6 branch of simulation oil device stated and the equal position of core holding unit
In in heat-preserving equipment.The heat-preserving equipment is insulating box 7.When the utility model is used, start confining pressure pump 1, rock core clamping
The inner cylinder 11 of device tightly surrounds fill out sand tube 8, makes inner cylinder 11 and fill out sand tube 8 seamless.Its advantage one is the ground made in 8 mould of fill out sand tube
Layer sand 9 has pressure, simulated formation pressure environment；Second is that injection fluid is avoided along the gap between clamper and fill out sand tube 8
Flowing, makes injection fluid fully enter fill out sand tube 8.
The utility model（1）It realizes and sand-fixating agent system is injected into fill out sand tube 8 with the method for flowing experiment, to solid
Sand agent system performance is evaluated；（2）It after fill out sand tube 8 is full of reservoir sand 9, is vacuumized, saturated water, water survey permeability, full
And oil, draw porosity, permeability and the oil saturation of model；（3）After sand-fixating agent system injection fill out sand tube 8, it can inject
Core drilling fluid avoids sand-fixating agent system from blocking the hole throat of reservoir completely；（4）Induration can after curing in 8 device of fill out sand tube
Directly carry out the measure of permeability.
Experimental procedure.
（1）Reservoir sand 9 is impregnated first, dries processing, then reservoir sand 9 is filled into fill out sand tube 8.
（2）It installs instruments equipment by flow chart, connects core holding unit and fill out sand tube 8.
（3）Start confining pressure pump 1 to the suitable confining pressure of core holding unit, be then turned off confining pressure pump 1, enclosed by pressure gauge monitoring
Pressure.
（4）Start vacuum pump 3 fill out sand tube 8 is vacuumized 12 it is small when and more than.
（5）Metering is poured into the stratum water volume in fill out sand tube 8, obtains 8 pore volume of fill out sand tubeV φAnd porosityφ.It is first
First, 8 saturation water flooding of fill out sand tube, metering are injected into the stratum water volume of 8 model of fill out sand tube, obtain the hole of 8 model of fill out sand tube
VolumeV φ.The volume of 8 reservoir sand 9 of fill out sand tube is V=πr 2 h, r is 8 bottom radius of fill out sand tube,hFor the length of fill out sand tube 8；Therefore
8 model porosity of fill out sand tubeφ=V φ/V*100%。
（6）With formation temperature constant temperature at least 12 it is small when.Replaced with stratum water drive, record stablize after injection pressure, according to up to
Western formula calculates to obtain 8 water of fill out sand tube survey permeability.
（7）The valve of simulation oil device 6 roads is opened, with simulation oil displacement fill out sand tube 8, as shown in Figure 1, passing through graduated cylinder
The fluid of fill out sand tube 8 is collected, when the 8 device port of export not water outlet completely of fill out sand tube, closes constant-flux pump 2.Record water in graduated cylinder
Volume, initial oil saturation is calculated.The volume of water is in graduated cylinderV 1, initial oil saturationS or=（V 1/V φ）*
100%。
（8）With formation temperature constant temperature at least 24 it is small when, come into full contact with reservoir sand 9 and simulation oil.
（9）The valve of 5 roads of stratum water installations is opened, with stratum water drive for fill out sand tube 8, when moisture content reaches 98%, is stopped
Only displacement.The calculating process that moisture content reaches 98% is：During water drive oil, rock core port of export extraction fluid is collected, produces fluid
It is You Heshui.Remember gauging volume every 0.2 times of pore volume injectedV oAnd water volumeV w, and calculate moisture contentf w=V w/（V o+V w）*
100%, whenf wWhen reaching 98%, stop experiment.
（10）Beat 4 roads of sand-fixating agent system device valve, into fill out sand tube 8 inject 0.8 times of pore volume injected ~
The sand-fixating agent system of 1.2 times of pore volume injecteds.
（11）Suitable diesel oil is injected in fill out sand tube 8, as pore forming agent.
（12）Core holding unit both ends close, by clamper constant temperature 72 it is small when, wait to be solidified；Clean other experimental facilities.
（13）Test the permeability and compression strength of induration.
Claims (6)
1. it is a kind of for evaluating the back-up sand pipe device of sand-fixating agent system, including constant-flux pump（2）, fill out sand tube（8）And positioned at advection
Pump（2）, fill out sand tube（8）Between sand-fixating agent system device（4）Branch, stratum water installations（5）Branch and simulation oil device（6）
Branch, the sand-fixating agent system device（4）Branch, stratum water installations（5）Branch and simulation oil device（6）Branch road is equipped with
Valve and one end respectively with constant-flux pump（2）Connection, the other end is through connecting pipeline（13）After mixing with fill out sand tube（8）Connection, back-up sand
Pipe（8）Inside it is filled with reservoir sand（9）, the fill out sand tube（8）Both ends pass through rubber plug（10）Carry out sealing；It is characterized in that：Also wrap
Core holding unit is included, the core holding unit is hollow cylindrical, is followed successively by outer barrel from outside to inside（12）And inner cylinder（11）, fill out
Sandpipe（8）Positioned at inner cylinder（11）It is interior, the outer barrel（12）Internal diameter ＞ inner cylinders（11）Outer diameter ＞ inner cylinders（11）Internal diameter ＞ fill out sand tube（8）
Outer diameter, inner cylinder（11）With outer barrel（12）Between form annular space, core holding unit and inner cylinder（11）Extending direction it is vertical two
End is equipped with cover（14）, connecting pipeline（13）Through cover（14）And rubber plug（10）With fill out sand tube（8）Inside connection；The rock
Heart clamp holder is also associated with confining pressure pump（1）, confining pressure pump（1）It is connected with annular space.
2. the back-up sand pipe device according to claim 1 for being used to evaluate sand-fixating agent system, it is characterised in that：The back-up sand
Pipe（8）Length is 10cm, and outer tube diameter is 2.5cm, and wall thickness is 0.23cm ~ 0.50cm.
3. the back-up sand pipe device according to claim 1 for being used to evaluate sand-fixating agent system, it is characterised in that：The rock core
Holder inner pipe internal diameter is 2.55cm ~ 2.60cm.
4. the back-up sand pipe device according to claim 3 for being used to evaluate sand-fixating agent system, it is characterised in that：Further include vacuum
Pump（3）, the vacuum pump（3）With connecting pipeline（13）Connection.
5. the back-up sand pipe device according to claim 4 for being used to evaluate sand-fixating agent system, it is characterised in that：The solid sand
Agent system device（4）Branch, stratum water installations（5）Branch and simulation oil device（6）Branch and core holding unit are respectively positioned on
In heat-preserving equipment.
6. the back-up sand pipe device according to claim 5 for being used to evaluate sand-fixating agent system, it is characterised in that：The heat preservation
Equipment is insulating box（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523730.5U CN207396449U (en) | 2017-11-15 | 2017-11-15 | A kind of back-up sand pipe device for being used to evaluate sand-fixating agent system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721523730.5U CN207396449U (en) | 2017-11-15 | 2017-11-15 | A kind of back-up sand pipe device for being used to evaluate sand-fixating agent system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396449U true CN207396449U (en) | 2018-05-22 |
Family
ID=62323569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721523730.5U Expired - Fee Related CN207396449U (en) | 2017-11-15 | 2017-11-15 | A kind of back-up sand pipe device for being used to evaluate sand-fixating agent system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207396449U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630407A (en) * | 2020-12-09 | 2021-04-09 | 同济大学 | Microcosmic visual simulation experiment device and method for seepage and sand production of hydrate reservoir |
| CN113404470A (en) * | 2020-03-16 | 2021-09-17 | 中国石油化工股份有限公司 | Physical model of fractured tight oil reservoir, recovery ratio calculation system and method |
| CN114034565A (en) * | 2021-09-24 | 2022-02-11 | 中国海洋石油集团有限公司 | Online evaluation device and method for sand consolidation effect of chemical sand consolidation agent |
-
2017
- 2017-11-15 CN CN201721523730.5U patent/CN207396449U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404470A (en) * | 2020-03-16 | 2021-09-17 | 中国石油化工股份有限公司 | Physical model of fractured tight oil reservoir, recovery ratio calculation system and method |
| CN112630407A (en) * | 2020-12-09 | 2021-04-09 | 同济大学 | Microcosmic visual simulation experiment device and method for seepage and sand production of hydrate reservoir |
| CN114034565A (en) * | 2021-09-24 | 2022-02-11 | 中国海洋石油集团有限公司 | Online evaluation device and method for sand consolidation effect of chemical sand consolidation agent |
| CN114034565B (en) * | 2021-09-24 | 2023-11-28 | 中国海洋石油集团有限公司 | Online evaluation device and evaluation method for sand fixation effect of chemical sand fixation agent |
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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: 20180522 Termination date: 20211115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |