CN112360403A - Simulation device and test method for evaluating reservoir shearing resistance of gel plugging agent of screen pipe well completion production well - Google Patents
Simulation device and test method for evaluating reservoir shearing resistance of gel plugging agent of screen pipe well completion production well Download PDFInfo
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- CN112360403A CN112360403A CN202011051567.3A CN202011051567A CN112360403A CN 112360403 A CN112360403 A CN 112360403A CN 202011051567 A CN202011051567 A CN 202011051567A CN 112360403 A CN112360403 A CN 112360403A
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- 238000004088 simulation Methods 0.000 title claims abstract description 32
- 238000010008 shearing Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000010998 test method Methods 0.000 title claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 239000004576 sand Substances 0.000 claims abstract description 51
- 238000002347 injection Methods 0.000 claims abstract description 31
- 239000007924 injection Substances 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 239000006004 Quartz sand Substances 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims description 29
- 210000002445 nipple Anatomy 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000035699 permeability Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000000499 gel Substances 0.000 abstract description 45
- 235000015110 jellies Nutrition 0.000 abstract description 10
- 239000008274 jelly Substances 0.000 abstract description 10
- 239000011435 rock Substances 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 description 11
- 239000000523 sample Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a simulation device and a test method for evaluating the anti-reservoir shearing capacity of a gel plugging agent of a screen pipe well completion production well, wherein the device comprises an injection pump, an intermediate container, a screen pipe short joint, a sand filling pipe, a first produced fluid receiving barrel and a second produced fluid receiving barrel; the screen pipe piece is fixed between the liquid inlet joint and the liquid outlet joint and is sealed by an O-shaped ring, the screen pipe piece can be flexibly replaced, the seam width comprises five types of 80 mu m, 100 mu m, 120 mu m, 150 mu m and 200 mu m, the specifications of the main screen pipe adopted by the offshore oilfield at present are covered, and a certain mesh of quartz sand can be selected for filling according to the hole seepage condition of an actual reservoir on site to form a sand filling pipe capable of simulating the reservoir on site; sampling ports are arranged between the screen pipe short joint and the sand filling pipe and behind the sand filling pipe, so that the shearing resistance of the jelly plugging agent passing through the screen pipe and the shearing resistance of the rock core pipe can be quantitatively evaluated according to actual requirements, and the specific influences of the screen pipe and a reservoir on the viscosity, the gelling time and the gelling strength of the jelly plugging agent are determined.
Description
Technical Field
The invention belongs to the technical field of oil exploitation, and particularly relates to a simulation device and a test method for evaluating the reservoir shearing resistance of a gel plugging agent of a screen pipe well completion production well.
Background
Offshore oil fields are mostly deposited by marine sandstone, have the characteristic of high porosity and high permeability, and in addition, the oil reservoir energy is sufficient, the productivity of general production wells is larger, but along with the continuous development, the oil reservoir generally produces sand, therefore, offshore oil fields usually adopt the mode of screen pipe sand control to complete the well, the problem is well solved, but the selection of subsequent plugging agents brings trouble, and a plurality of bulked particles or some large particle plugging agents cannot be applied because the large particle plugging agents cannot pass through the screen pipe. The gel profile control agent can enter a reservoir through a sieve tube because the gel profile control agent does not contain particle components, but whether the viscosity, the gelling time and the gelling strength of the gel profile control agent are influenced by the shearing of tiny sieve tube gaps and reservoir pores or not is not formed, and a corresponding evaluation means and a test method are not formed at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a simulation device and a test method for evaluating the anti-reservoir shearing capacity of a gel profile control agent of a screen pipe well completion production well.
A simulation device for evaluating the anti-reservoir shearing capacity of a gel plugging agent of a screen pipe well completion production well comprises an injection pump, an intermediate container, a screen pipe nipple, a sand filling pipe, a first produced fluid receiving cylinder and a second produced fluid receiving cylinder;
the injection pump is communicated with an inlet pipe of the intermediate container; an outlet pipe of the middle container is communicated with a liquid inlet end of the sieve tube short section, and a liquid outlet end of the sieve tube short section is communicated with a liquid inlet end of the sand filling pipe;
a first valve is arranged on a connecting pipeline between the injection pump and the inlet pipe of the intermediate container, a second valve is arranged on a connecting pipeline between the outlet pipe of the intermediate container and the liquid inlet end of the sieve pipe nipple, a third valve and a fourth valve are arranged on a connecting pipeline between the liquid outlet end of the sieve pipe nipple and the liquid inlet end of the sand filling pipe, and a fifth valve is arranged at the liquid outlet end of the sand filling pipe;
and a first output liquid receiving cylinder is arranged at the liquid outlet end of the third valve, and a second output liquid receiving cylinder is arranged at the liquid outlet end of the fifth valve.
In the technical scheme, a piston is arranged in the middle container, distilled water entering through the inlet pipe pushes the piston, and the plugging agent is displaced through the outlet pipe to enter the screen pipe nipple.
In the technical scheme, the sieve tube short section comprises a liquid inlet joint, a liquid outlet joint and a sieve tube piece, and the sieve tube piece is fixed between the liquid inlet joint and the liquid outlet joint.
In the technical scheme, an O-shaped ring is arranged at the joint of the liquid inlet joint and the liquid outlet joint.
In the technical scheme, the sand filling pipe is filled with quartz sand.
In the technical scheme, the slit width of the sieve tube sheet comprises five specifications of 80 μm, 100 μm, 120 μm, 150 μm and 200 μm.
A test method for evaluating the anti-reservoir shearing capability of a gel plugging agent of a screen pipe well completion production well comprises the following steps:
firstly, selecting a sieve tube sheet with a corresponding seam width according to the size of the seam width of a sieve tube of a target well, and assembling the sieve tube sheet into a short joint of the sieve tube;
secondly, filling a sand filling pipe with corresponding porosity and permeability by adopting quartz sand according to the porosity and permeability of the reservoir of the target well;
thirdly, preparing a gel plugging agent, and pouring the gel plugging agent into an intermediate container for later use;
fourthly, connecting a simulation device according to the sequence of the injection pump, the first valve, the middle container, the second valve, the sieve pipe short joint, the third valve, the first produced fluid receiving cylinder, the fourth valve, the sand filling pipe, the fifth valve and the second produced fluid receiving cylinder;
fifthly, calculating the injection speed required in the test according to the linear speed of the on-site oil reservoir water injection and the size of the test pipeline, and setting the injection pump to be the corresponding speed;
and sixthly, starting a pump to start a test, sampling from the back of the screen pipe short joint and the back of the sand filling pipe respectively in the test process, taking the original gel plugging agent as a blank control, and determining the specific influence of the shearing of the screen pipe and the sand filling pipe on the gel plugging agent respectively by measuring three indexes of viscosity, gelling time and gelling strength so as to determine the reservoir shearing resistance of the gel plugging agent of the screen pipe well completion production well.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the sieve tube sheet is fixed between the sieve tube short joint and the liquid outlet joint through the liquid inlet joint and is sealed by the nitrile rubber O-shaped ring, so that the sieve tube sheet can be flexibly replaced. The slot width of the screen plate comprises five types of 80 μm, 100 μm, 120 μm, 150 μm and 200 μm, and covers the main screen specifications adopted at present in offshore oil fields.
2. The reservoir simulation system mainly comprises a sand filling pipe, and quartz sand with a certain mesh can be selected for filling according to the hole seepage condition of an actual reservoir on site to form the sand filling pipe capable of simulating the reservoir on site.
3. Sampling ports are arranged between the screen pipe short joint and the sand filling pipe and behind the sand filling pipe, so that the shearing resistance of the jelly plugging agent passing through the screen pipe and the shearing resistance of the rock core pipe can be quantitatively evaluated according to actual requirements, and the specific influences of the screen pipe and a reservoir on the viscosity, the gelling time and the gelling strength of the jelly plugging agent are determined. The invention has reliable result and convenient operation, and can preferably select the optimal gel plugging agent of the polymer suitable for the target reservoir.
Drawings
Fig. 1 is a schematic structural diagram of a simulation device for evaluating the reservoir shearing resistance of a gel plugging agent of a screen pipe well completion production well in the invention.
Fig. 2 is a schematic view of the structure of the intermediate container.
FIG. 3 is a schematic diagram of a screen pipe nipple.
Figure 4 is a schematic of a screen panel configuration.
The system comprises a pump 1, a first valve 2-1, a second valve 2-2, a third valve 2-3, a fourth valve 2-4, a fifth valve 2-5, an intermediate container 3, a piston 3-1, an inlet pipe 3-2, an outlet pipe 3-3, a screen pipe nipple 4, a liquid inlet connector 4-1, a liquid outlet connector 4-2, a screen pipe piece 4-3, an O-shaped ring 4-4, a first output liquid receiving cylinder 5-1, a second output liquid receiving cylinder 5-2 and a sand filling pipe 6.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
As shown in fig. 1-4, the simulation device for evaluating the anti-reservoir shear capacity of the gel plugging agent of the screen pipe completion production well provided by the invention comprises a pumping system, a screen pipe simulation system, a reservoir simulation system and a produced fluid receiving system;
the pump injection system is composed of an injection pump 1 and an intermediate container 3, the injection pump 1 adopts a high-precision constant flow pump, the flow setting range is 0-50 ml/min, the precision is 0.001ml, a power system is provided, distilled water is driven to the intermediate container 3 at a constant speed, and the distilled water drives a built-in piston in the intermediate container to drive a plugging adjusting agent to enter the sieve tube simulation system;
the screen pipe simulation system consists of a screen pipe short joint 4, a screen pipe piece 4-3 is fixed between a liquid inlet joint 4-1 and a liquid outlet joint 4-2, and is sealed by a nitrile rubber O-shaped ring 4-4, wherein the width of a screen pipe piece comprises five specifications of 80 microns, 100 microns, 120 microns, 150 microns and 200 microns, the specifications of the main screen pipe adopted by the offshore oilfield at present are covered, and the screen pipe simulation system can be replaced according to the actual parameters of a screen pipe of an on-site target well, so that the actual on-site situation can be reflected really;
the reservoir simulation system mainly comprises a sand filling pipe 6, the specification of the reservoir simulation system is phi 25mm (the drift diameter of the sand filling pipe) multiplied by 500mm (the length), and the reservoir simulation system can be formed by filling quartz sand with a certain mesh number according to the hole seepage condition of an actual reservoir on site;
the production fluid receiving system is respectively arranged after passing through the sieve tube and after passing through the sand-packed pipe, and comprises a first production fluid receiving cylinder 5-1 and a second production fluid receiving cylinder 5-2, one of a dry measuring cylinder, a beaker or a sample bottle can be respectively selected according to actual conditions, the jelly plugging agent sheared through a sieve tube short section 4 or a sand-packed pipe 6 is received, the anti-reservoir shearing capacity of the jelly plugging agent of the sieve tube well completion production well is determined by comparing the performances of the jelly plugging agent sheared through the sieve tube or the sand-packed pipe and the original jelly plugging agent, valves 2 are respectively arranged at different parts of the whole simulation device and are used for controlling the on-off of each flow: a first valve 2-1 is arranged on a connecting pipeline between the injection pump and an inlet pipe of the intermediate container, a second valve 2-2 is arranged on a connecting pipeline between an outlet pipe of the intermediate container and a liquid inlet end of the sieve pipe nipple, a third valve 2-3 and a fourth valve 2-4 are arranged on a connecting pipeline between a liquid outlet end of the sieve pipe nipple and a liquid inlet end of the sand filling pipe, and a fifth valve 2-5 is arranged at a liquid outlet end of the sand filling pipe;
based on the simulation device, the invention also provides a test method for evaluating the anti-reservoir shearing capacity of the gel plugging agent of the screen pipe well completion production well, which comprises the following steps:
firstly, selecting a screen pipe piece corresponding to the seam width according to the size of the seam width of the screen pipe of the target well, and assembling the screen pipe piece into a screen pipe nipple.
And secondly, filling a sand filling pipe with corresponding porosity and permeability by adopting quartz sand according to the porosity and permeability of the reservoir of the target well.
And thirdly, preparing a jelly plugging agent, and pouring the jelly plugging agent into an intermediate container for later use.
Fourthly, connecting a simulation device according to the sequence of the injection pump, the first valve, the middle container, the second valve, the sieve pipe short joint, the third valve, the first produced fluid receiving cylinder, the fourth valve, the sand filling pipe, the fifth valve and the second produced fluid receiving cylinder; .
Fifthly, calculating the injection speed (Q) required in the test according to the on-site oil reservoir water injection linear speed and the size of the sand filling pipe in the testInjection velocity＝π×VLinear velocity of reservoir water injection×dDrift diameter in sand-filled pipe 2/4) and sets the injection pump to the corresponding speed.
And sixthly, starting a pump to start a test, sampling from the back of the screen pipe short joint and the back of the sand filling pipe respectively in the test process, taking the original gel plugging agent as a blank control, and determining the specific influence of the shearing of the screen pipe and the sand filling pipe on the gel plugging agent respectively by measuring three indexes of viscosity, gelling time and gelling strength so as to determine the reservoir shearing resistance of the gel plugging agent of the screen pipe well completion production well.
Example 1
By adopting the invention, according to the test steps, a simulation test is developed for the Bohai sea A oil field: 1) selecting a sieve tube piece with the gap width of 120 mu m, and assembling the sieve tube piece into a sieve tube short joint; 2) selecting 50-80 mesh quartz sand to fill a sand filling pipe, wherein the porosity is tested to be 25.6%, and the water phase permeability is 1545 multiplied by 10-3cm2(ii) a 3) Preparing 500mL of the gel plugging agent according to the formula of the polymer A type gel, and pouring the gel plugging agent into an intermediate container; 4) connecting a test flow according to the sequence of the constant flow pump, the valve, the intermediate container, the valve, the sieve tube short joint, the valve, the produced liquid receiving system, the sand filling pipe, the valve and the produced liquid receiving system; 5) according to the water injection linear speed of the oil deposit on site being 10m/d and the drift diameter in the sand filling pipe being 25mm in the test, the injection speed required in the test is calculated to be 3.407ml/min, and the discharge capacity of the injection pump is set to be 3.407 ml/min. 6) Starting a pump to start a test, sampling from the back of a screen pipe short joint and the back of a sand filling pipe respectively in the test process, and measuring three indexes of viscosity, gelling time and gelling strength by taking the original gel plugging agent as a blank control respectively, wherein the results are shown in Table 1, and the initial viscosity loss rate of a polymer gel system after the screen pipe is sheared is 7.05 percent, the viscosity loss rate after gelling is 10.59 percent, after the sand filling pipe and the screen pipe are sheared together,the initial viscosity loss rate of the polymer gel system is 17.83%, and the viscosity loss rate after gel forming is 18.24%, but the gel forming time is not influenced. The simulation test shows that the strength of the gel plugging agent can be reduced by shearing both the screen pipe and the reservoir stratum on site.
TABLE 1 influence of screens and reservoirs on Polymer A-type gel plugging agent
| Evaluation item | Blank control sample | Producing liquid sample after screen pipe nipple | Producing liquid sample after sand filling pipe |
| Viscosity mPa.s | 729.5 | 678.1 | 599.4 |
| Gel forming time h | 60 | 60 | 60 |
| Gel strength mPa.s | 45233 | 40442 | 36981 |
Example 2
According to the invention, the test steps are carried outStep, carrying out a simulation test aiming at the Bohai sea A oil field: 1) selecting a sieve tube piece with the gap width of 120 mu m, and assembling the sieve tube piece into a sieve tube short joint; 2) selecting 50-80 mesh quartz sand to fill a sand filling pipe, and testing the porosity to be 25.8 percent and the water phase permeability to be 1551 multiplied by 10-3cm2(ii) a 3) Preparing 500mL of the gel plugging agent according to the formula of the polymer B type gel, and pouring the gel plugging agent into an intermediate container; 4) connecting a test flow according to the sequence of the constant flow pump, the valve, the intermediate container, the valve, the sieve tube short joint, the valve, the produced liquid receiving system, the sand filling pipe, the valve and the produced liquid receiving system; 5) according to the water injection linear speed of the oil deposit on site being 10m/d and the drift diameter in the sand filling pipe being 25mm in the test, the injection speed required in the test is calculated to be 3.407ml/min, and the discharge capacity of the injection pump is set to be 3.407 ml/min. 6) The pump is started to start the test, in the test process, samples are taken from the back of the screen pipe short joint and the back of the sand filling pipe respectively, and the three indexes of viscosity, gelling time and gelling strength are measured respectively by taking the original gel plugging agent as a blank control, and the results are shown in table 2, wherein after the screen pipe is sheared, the initial viscosity loss rate of the polymer gel system is 3.32 percent, the viscosity loss rate after gelling is 8.84 percent, after the sand filling pipe and the screen pipe are sheared together, the initial viscosity loss rate of the polymer gel system is 5.36 percent, and the viscosity loss rate after gelling is 10.38 percent, but the gelling time is not influenced. The simulation test shows that the strength of the gel plugging agent can be reduced by shearing both the screen pipe and the reservoir stratum on site.
TABLE 2 influence of screens and reservoirs on Polymer B-type gel plugging agent
| Evaluation item | Blank control sample | Producing liquid sample after screen pipe nipple | Producing liquid sample after sand filling pipe |
| Viscosity mPa.s | 412.9 | 399.2 | 376.4 |
| Gel forming time h | 60 | 60 | 60 |
| Gel strength mPa.s | 40441 | 38273 | 36245 |
From examples 1 and 2, it can be seen that the polymer type B gel profile control agent is more suitable for the bohai a oil field than the polymer type a gel profile control agent.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (7)
1. A simulation device for evaluating the anti-reservoir shearing capability of a gel plugging agent of a screen pipe well completion production well is characterized in that: the device comprises an injection pump, a middle container, a screen pipe nipple, a sand filling pipe, a first produced fluid receiving cylinder and a second produced fluid receiving cylinder;
the injection pump is communicated with an inlet pipe of the intermediate container; an outlet pipe of the middle container is communicated with a liquid inlet end of the sieve tube short section, and a liquid outlet end of the sieve tube short section is communicated with a liquid inlet end of the sand filling pipe;
a first valve is arranged on a connecting pipeline between the injection pump and the inlet pipe of the intermediate container, a second valve is arranged on a connecting pipeline between the outlet pipe of the intermediate container and the liquid inlet end of the sieve pipe nipple, a third valve and a fourth valve are arranged on a connecting pipeline between the liquid outlet end of the sieve pipe nipple and the liquid inlet end of the sand filling pipe, and a fifth valve is arranged at the liquid outlet end of the sand filling pipe;
and a first output liquid receiving cylinder is arranged at the liquid outlet end of the third valve, and a second output liquid receiving cylinder is arranged at the liquid outlet end of the fifth valve.
2. The simulation device for evaluating the reservoir shearing resistance of the gel plugging agent of the screen well completion production well according to the claim 1, wherein: and a piston is arranged in the middle container, and distilled water entering through the inlet pipe pushes the piston to displace the plugging agent into the screen pipe nipple through the outlet pipe.
3. The simulation device for evaluating the reservoir shearing resistance of the gel plugging agent of the screen well completion production well according to the claim 1, wherein: the screen pipe nipple comprises a liquid inlet joint, a liquid outlet joint and a screen pipe piece, wherein the screen pipe piece is fixed between the liquid inlet joint and the liquid outlet joint.
4. The simulation device for evaluating the reservoir shearing resistance of the gel plugging agent of the screen well completion production well according to the claim 1, wherein: and an O-shaped ring is arranged at the joint of the liquid inlet joint and the liquid outlet joint.
5. The simulation device for evaluating the reservoir shearing resistance of the gel plugging agent of the screen well completion production well according to the claim 1, wherein: and quartz sand is filled in the sand filling pipe.
6. The simulation device for evaluating the reservoir shearing resistance of the gel plugging agent of the screen well completion production well according to the claim 1, wherein: the slit width of the sieve tube sheet comprises five specifications of 80 μm, 100 μm, 120 μm, 150 μm and 200 μm.
7. A test method for evaluating the anti-reservoir shearing capability of a gel plugging agent of a screen pipe well completion production well is characterized by comprising the following steps of:
firstly, selecting a sieve tube sheet with a corresponding seam width according to the size of the seam width of a sieve tube of a target well, and assembling the sieve tube sheet into a short joint of the sieve tube;
secondly, filling a sand filling pipe with corresponding porosity and permeability by adopting quartz sand according to the porosity and permeability of the reservoir of the target well;
thirdly, preparing a gel plugging agent, and pouring the gel plugging agent into an intermediate container for later use;
fourthly, connecting a simulation device according to the sequence of the injection pump, the first valve, the middle container, the second valve, the sieve pipe short joint, the third valve, the first produced fluid receiving cylinder, the fourth valve, the sand filling pipe, the fifth valve and the second produced fluid receiving cylinder;
fifthly, calculating the injection speed required in the test according to the linear speed of the on-site oil reservoir water injection and the size of the test pipeline, and setting the injection pump to be the corresponding speed;
and sixthly, starting a pump to start a test, sampling from the back of the screen pipe short joint and the back of the sand filling pipe respectively in the test process, taking the original gel plugging agent as a blank control, and determining the specific influence of the shearing of the screen pipe and the sand filling pipe on the gel plugging agent respectively by measuring three indexes of viscosity, gelling time and gelling strength so as to determine the reservoir shearing resistance of the gel plugging agent of the screen pipe well completion production well.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203148935U (en) * | 2013-04-01 | 2013-08-21 | 中国石油化工股份有限公司 | Evaluation device of dynamic gelling mold of profile modification blocking agent |
| CN104673260A (en) * | 2015-02-02 | 2015-06-03 | 中国石油天然气股份有限公司 | Cross-linkable water shut-off and profile control agent as well as preparation method and application thereof |
| CN104777273A (en) * | 2015-04-20 | 2015-07-15 | 西南石油大学 | Third-order shear method for determining performance parameter of polymer solution for oil displacement |
| US20150198512A1 (en) * | 2014-01-11 | 2015-07-16 | Ofi Testing Equipment, Inc. | Static Gel Strength Measurement Apparatus and Method |
| CN105401906A (en) * | 2015-12-02 | 2016-03-16 | 中国石油天然气股份有限公司 | Profile adjusting/water plugging ball selection method and device for testing shearing allowable stress of profile adjusting/water plugging ball |
| CN107271328A (en) * | 2017-06-13 | 2017-10-20 | 大港油田集团有限责任公司 | A kind of polymer solution anti-shear performance evaluating apparatus and method |
| CN107541197A (en) * | 2017-07-20 | 2018-01-05 | 中国石油天然气股份有限公司 | A kind of intelligent water detection type high-temperature water horizontal well water shutoff agent |
-
2020
- 2020-09-29 CN CN202011051567.3A patent/CN112360403A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203148935U (en) * | 2013-04-01 | 2013-08-21 | 中国石油化工股份有限公司 | Evaluation device of dynamic gelling mold of profile modification blocking agent |
| US20150198512A1 (en) * | 2014-01-11 | 2015-07-16 | Ofi Testing Equipment, Inc. | Static Gel Strength Measurement Apparatus and Method |
| CN104673260A (en) * | 2015-02-02 | 2015-06-03 | 中国石油天然气股份有限公司 | Cross-linkable water shut-off and profile control agent as well as preparation method and application thereof |
| CN104777273A (en) * | 2015-04-20 | 2015-07-15 | 西南石油大学 | Third-order shear method for determining performance parameter of polymer solution for oil displacement |
| CN105401906A (en) * | 2015-12-02 | 2016-03-16 | 中国石油天然气股份有限公司 | Profile adjusting/water plugging ball selection method and device for testing shearing allowable stress of profile adjusting/water plugging ball |
| CN107271328A (en) * | 2017-06-13 | 2017-10-20 | 大港油田集团有限责任公司 | A kind of polymer solution anti-shear performance evaluating apparatus and method |
| CN107541197A (en) * | 2017-07-20 | 2018-01-05 | 中国石油天然气股份有限公司 | A kind of intelligent water detection type high-temperature water horizontal well water shutoff agent |
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Application publication date: 20210212 |