CN104514554B - Reservoir simulator - Google Patents
Reservoir simulator Download PDFInfo
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- CN104514554B CN104514554B CN201310462944.6A CN201310462944A CN104514554B CN 104514554 B CN104514554 B CN 104514554B CN 201310462944 A CN201310462944 A CN 201310462944A CN 104514554 B CN104514554 B CN 104514554B
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- Prior art keywords
- simulating device
- reservoir
- flat cover
- electric pulse
- reservoir simulating
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Abstract
The invention discloses a reservoir simulator which comprises a flat cover, an experiment cavity, a cement framework, a measuring assembly, a rock sample and an electric pulse generator. The flat cover is correspondingly arranged at the top end of the experiment cavity and is used for sealing the experiment cavity. The cement framework is arranged in the experiment cavity, and a vertical hole and a measuring channel are formed in the cement framework respectively. The vertical hole is used for placing the electric pulse generator. The measuring channel penetrates through the cement framework and is communicated with the vertical hole. The measuring assembly and the rock sample are arranged in the measuring channel. The reservoir simulator provides a reservoir simulation experimental environment for electric pulse experiments through the experiment cavity and the cement framework, the electric pulse generator continuously impacts the rock sample in the simulated geographical condition, the measuring assembly measures needed data in due time, thus experiment data can be more accurate and give theoretical support to practical shock wave operation, rocks in the reservoir can be removed quickly and conveniently, and a lot of manpower and time can be saved.
Description
Technical field
The present invention relates to petroleum production art, more particularly to a kind of reservoir simulating device.
Background technology
In oil exploitation, because reservoir blocking causes water injection well note not enter, note not enough so that what oil well output declined asks
Topic happens occasionally, and has a strong impact on the production in oil field.For the problem of reservoir blocking, stored up using electric pulse shock wave at present
Layer, before actual job is carried out, first passes through experiment, and the data that experiment is obtained carry out practical operation as reference, to rush
Pressure of hammer wave realizes that tear, de-plugging reservoir raising recovery ratio are one of most economical maximally effective means, and shock wave operation reservoir can
To play de-plugging effect to reservoir.
Prior art, due in experimentation, lacking experimental provision, it is impossible to the geographical ring of accurate simulation actual reservoir
Border so that the shock wave parameter obtained from experiment can't be accurately right in the situation of shock wave operation reservoir with practical application
Should, and experimental data can not provide accurate reference in practical operation so that shock wave various reservoirs it is effective away from
From determining, operation repeatedly is needed to eliminate blocking layer.
During the present invention is realized, inventor has found that prior art at least has problems with：
Prior art lacks in an experiment experimental provision, it is impossible to the environment of accurate simulation actual reservoir so that from experiment
Obtain shock wave parameter effectively can not provide data support to the operation of real impact ripple, so as to cause electric pulse accurately to disappear
Except the rock in reservoir, and due to electric pulse can not accurately disappear it is stifled so that the problem do not intake of note cannot be solved quickly, be needed
Blocking layer could be removed by substantial amounts of repetition operation, cause workload to increase, consume manpower and materials.
The content of the invention
Lack experimental provision in order to solve the problems, such as prior art to simulate reservoir environment, embodiments provide
A kind of reservoir simulating device.The technical scheme is as follows：
A kind of reservoir simulating device, the reservoir simulating device includes：Flat cover, experiment chamber, cement skeleton, measurement assembly,
Rock sample and electric pulse generator, the flat cover is correspondingly arranged at experiment chamber top, and the flat cover is used to seal described
Experiment chamber, the cement skeleton is arranged in the experiment chamber, vertical holes is respectively arranged with the cement skeleton and measurement is logical
Road, the vertical holes is used to place the electric pulse generator, and the Measurement channel runs through the cement skeleton, and the measurement is led to
Road is connected with the vertical holes, and the measurement assembly and the rock sample are arranged in the Measurement channel.
Preferably, the reservoir simulating device also includes sleeve pipe, described sleeve pipe is arranged on the vertical of the cement skeleton
Kong Zhong, the electric pulse generator is arranged in described sleeve pipe, and described sleeve pipe is used to fix the electric pulse generator.
Preferably, the reservoir simulating device also includes two perspective flat covers, two perspective flat covers are respectively provided with
At the two ends of the Measurement channel, the perspective flat cover is used to seal the Measurement channel.
Further, the reservoir simulating device also includes water nozzle, and the water nozzle is arranged on the perspective flat cover, passes through
The water nozzle to injecting fluid in the experiment chamber, the liquid provide hyperbaric environment for the experiment chamber.
Preferably, the reservoir simulating device also includes measured hole, the measured hole is arranged on any one of
Depending on flat cover, the measured hole axially penetrates through the perspective flat cover, the state of the rock sample is observed by the measured hole.
Further, the reservoir simulating device also includes suspension ring, and the suspension ring are arranged on the flat cover, the suspension ring
For carrying out lifting carrying to the experiment chamber.
Preferably, the reservoir simulating device also includes bipyramid ring, the bipyramid ring is arranged on the flat cover and described
Between experiment chamber, the bipyramid ring is used to seal the experiment chamber.
Further, the reservoir simulating device also includes through hole and sealing structure, and the through hole is arranged on the flat cover
On, the through hole is used to provide passage to the cable of the electric pulse generator, and the sealing structure is arranged in the through hole,
The sealing structure is used to seal the through hole.
Preferably, the sealing structure includes compressing top cover, wedge shape sealing ring, pressure ring and seal bond, the compression top
Lid, the wedge shape sealing ring, the pressure ring and the seal bond are sequentially arranged from top to bottom inside the through hole, and described close
Envelope key mapping is in the through hole lower end.
Further, the measurement assembly includes impact wave measurement probe and core strain measurement probe, and the core should
Become measuring probe and press close to the rock sample placement, the core strain measurement probe is used to measure core strain size, described
Impact wave measurement is popped one's head in for measuring the shock wave numerical value that the electric pulse generator sends.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The embodiment of the present invention provides the experiment of a simulation reservoir by experiment chamber and cement skeleton to electric pulse experiment
Environment, electric pulse generator, to rock sample constant impingement, by measurement assembly electric arteries and veins is detected in good time under the geographical environment of simulation
The shock wave numerical value and rock sample state of generator are rushed, the present invention can make experimental data more accurate, the shock wave of acquisition
Parameter can effectively correspond to actual reservoir situation, can give the theories integration of real impact ripple operation so that eliminate reservoir rock
It is more quick rapid, save a large amount of manpowers and time.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is reservoir simulating device structural representation provided in an embodiment of the present invention；
Fig. 2 is the perspective flat cover structural representation that further embodiment of this invention is provided；
Fig. 3 is the partial enlarged drawing at the A of Fig. 1 that further embodiment of this invention is provided.
Wherein：1 Measurement channel,
2 perspective flat covers,
3 lens seals collars,
4 experiment chambers,
5 bipyramid rings,
6 flat covers,
7 through holes,
8 compress top cover,
9 pressure rings,
10 wedge shape sealing rings,
11 seal bonds,
12 suspension ring,
13 cement skeletons,
14 measured holes,
15 sleeve pipes,
16 sintering sealing-plugs,
17 water nozzles.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
As shown in figure 1, a kind of reservoir simulating device provided in an embodiment of the present invention, the reservoir simulating device includes：It is flat
Lid 6, experiment chamber 4, cement skeleton 13, measurement assembly, rock sample and electric pulse generator, the flat cover 6 is correspondingly arranged at institute
The experiment top of chamber 4 is stated, the flat cover 6 is used to seal the experiment chamber 4, and the cement skeleton 13 is arranged in the experiment chamber 4,
Vertical holes and Measurement channel 1 are respectively arranged with the cement skeleton 13, the vertical holes is used to place the electric pulse generation
Device, the Measurement channel 1 runs through the cement skeleton 13, and the Measurement channel 1 is connected with the vertical holes, the measurement assembly
It is arranged in the Measurement channel 1 with the rock sample.
Wherein, flat cover 6 is arranged on the experiment upper end of chamber 4, and flat cover 6 is used for sealing experiment chamber 4, and experiment chamber 4 provides one to experiment
Individual closed experimental situation, cement skeleton 13 is placed in experiment chamber 4, and cement skeleton 13 can simulate actual formation structure, water
Measurement channel 1 in mud skeleton 13 is used to place rock sample and measurement assembly, during experiment, cement skeleton 13 is put into into experiment chamber
In 4, the rock sample and measurement assembly that reservoir is gathered is put in Measurement channel 1, then electric pulse generator is put into into cement bone
In frame 13, sealing experiment chamber 4 turns on the power, electric pulse generator impact rock sample, measurement assembly measurement desired data, real
After the completion of testing, by processing gathered data, the parameter and operations number of the shock wave of electric pulse generator are drawn.
The embodiment of the present invention provides the reality of a simulation reservoir by experiment chamber 4 and cement skeleton 13 to electric pulse experiment
Environment is tested, electric pulse generator, to rock sample constant impingement, by measurement assembly electric arteries and veins is detected in good time under simulation geographical environment
The shock wave numerical value and rock sample state of generator are rushed, the present invention can make experimental data more accurate, the shock wave of acquisition
Parameter can effectively correspond to actual reservoir situation, can give the theories integration of real impact ripple operation so that eliminate reservoir rock
It is more quick rapid, save a large amount of manpowers and time.
Preferably, the reservoir simulating device also includes sleeve pipe 15, described sleeve pipe 15 is arranged on the cement skeleton 13
Vertical holes in, the electric pulse generator is arranged in described sleeve pipe 15, described sleeve pipe 15 be used for fix the electric pulse send out
Raw device.Wherein, in order to reinforce, cementing concrete can be injected between sleeve pipe 15 and cement skeleton 13, described sleeve pipe 15 is used to place
With the fixation electric pulse generator.
Preferably, the reservoir simulating device also include two perspective flat covers 2, two it is described perspective flat covers 2 with it is described
Measurement channel 1 is co-axially located on the lateral wall of experiment chamber 4, and two perspective flat covers 2 pass through the cement skeleton
13 are symmetrical arranged, wherein, perspective flat cover 2 can be connected on experiment chamber 4 by mechanical connection manner, and is had an X-rayed on flat cover 2 and set
It is equipped with sintering sealing-plug 16（With reference to Fig. 2）, the probe signal lead in measurement assembly may pass through sintering sealing-plug 16, outside connection
Record display device, sintering sealing-plug 16 can play sealing function.Skilled person will appreciate that, it is to ensure experiment chamber 4
Sealing effectiveness, can arrange lens seals collar 3 between perspective flat cover 2 and experiment chamber 4.
As shown in Fig. 2 further, the reservoir simulating device also includes water nozzle 17, and the water nozzle 17 is along the perspective
Flat cover 2 is axially arranged, and the water nozzle 17 is used to inject highly pressurised liquid in the experiment chamber 4, simulates the high-pressure section of actual rock stratum
The maximum pressure of part, wherein water nozzle 17 injection is up to 30MPa.
Preferably, the reservoir simulating device also includes measured hole 14, the measured hole 14 is arranged on any one institute
State on perspective flat cover 2, the measured hole 14 axially penetrates through the perspective flat cover 2, when reservoir simulating device runs, technical staff
Particular state of the rock sample in experiment chamber 4 can be observed by measured hole 14, when electric pulse generator smashes rock sample
When, can quit work.
Further, the reservoir simulating device also includes suspension ring 12, and the suspension ring 12 are arranged on the flat cover 6, institute
Suspension ring 12 are stated for carrying out lifting carrying to the experiment chamber 4.
Preferably, the reservoir simulating device also includes bipyramid ring 5, the bipyramid ring 5 is arranged on the flat cover 6 and institute
State between experiment chamber 4, the bipyramid ring 5 is used to seal the experiment chamber 4.By skilled person will appreciate that, can also by
Arrange sealing ring or other sealing devices to be sealed between flat cover 6 and experiment chamber 4.
Further, the reservoir simulating device also includes through hole 7 and sealing device, and the through hole 7 is along the axle of the flat cover 6
To setting, the through hole 7 is used to provide passage to the cable of the electric pulse generator, and the sealing structure is arranged on described logical
In hole 7, the sealing structure is used to seal the through hole 7.
As shown in figure 3, preferably, sealing structure includes compressing top cover 8, pressure ring 9, wedge shape sealing ring 10 and seal bond
11, seal bond 11 is arranged on the lower end of flat cover through hole 7, and pressure ring 9 and wedge shape sealing ring 10 are inserted in successively in the upper end of seal bond 11, compress top
Lid 8 is threadedly coupled to the upper end of flat cover through hole 7, and the cable of electric pulse generator leads to through the cable compressed on top cover 8, seal bond 11
Road is connected to GCU.
Further, the measurement assembly includes impact wave measurement probe and core strain measurement probe, and the core should
Become measuring probe and press close to the rock sample placement.Impact wave measurement to be popped one's head in and send punching for detecting and recording electric pulse generator
The numerical value of ripple is hit, core strain measurement probe is used to detect the stressing conditions of core, can be drawn when shock wave reaches by measurement assembly
During to how much numerical value, core is rupturable, and according to this numerical value carrying out subsequent treatment, show that electric pulse is sent out in actual mechanical process
The numerical value that raw device should be used.
Embodiment two
The use step of reservoir simulating device：
The first step opens flat cover 6, electric pulse generator is placed in sleeve pipe 15, the discharge position of electric pulse generator
Alignment measured hole 14；The cable of electric pulse generator is through seal bond 11 and compresses the cable passage on top cover 8.
Second step lays down the perspective flat cover 2 of both sides, by impact wave measurement probe, experiment core, strain measurement probe according to
Secondary to be positioned in Measurement channel 1, the probe signal lead of both sides is each passed through sintering sealing-plug 16 and is connected to record display device
On, perspective flat cover 2 is connected to into the outside of experiment chamber 4 by stud and nut.
3rd step is placed on bipyramid ring 5 in the cone tank of flat cover 6；Seal bond 11 is arranged on into the lower end of flat cover through hole 7, it is close
Wedge shape sealing ring 10 and pressure ring 9 are inserted in successively in envelope key 11 upper end, compress top cover 8 and are threadedly coupled to the upper end of flat cover through hole 7, electric pulse
The cable of generator is connected to GCU through the cable passage on seal bond 11 and compression top cover 8, and flat cover 6 is passed through
Stud and nut are connected to the experiment top of chamber 4, and the top screw thread of flat cover 6 installs suspension ring 12, for carrying out lifting carrying to device
Booster pump is connected 4th step the water nozzle 17 on perspective flat cover 2 by high-pressure water pipeline, booster pump is opened, by water
Mouth 17 injects highly pressurised liquid into experiment chamber 4, simulates the condition of high voltage of actual rock stratum.
5th step opens GCU, electric pulse shock wave operation is carried out to experimental rock sample, by shock wave
The change of measuring probe and core strain measurement probe observation shock wave and rock sample, records experimental data, such as finds rock
Sample burst then stops experiment.
6th step takes out the rock sample after experiment, and permeability detection, sonic detection, CT scan detection are carried out to it, right
Operation effectiveness than shock wave that multigroup measurement result analyzes the parameter in different work number of times to reservoir.
The beneficial effects of the present invention is, can be obtained under various shock wave parameter effects using the present invention, tear reservoir threshold
Relation, the distance of tear reservoir of value and shock wave parameter and operations number with shock wave parameter and act on number of times relation and
The relation of reservoir permeability, increase rate and shock wave parameter and effect number of times, draws shock wave in different work number of times to storage
The operation effectiveness of layer, for practical application of the electric pulse technique in oil field theories integration is provided.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of reservoir simulating device, it is characterised in that the reservoir simulating device includes：Flat cover, experiment chamber, cement skeleton,
Measurement assembly, rock sample and electric pulse generator, the flat cover is correspondingly arranged at experiment chamber top, and the flat cover is used for
The experiment chamber is sealed, the cement skeleton is arranged in the experiment chamber, and on the cement skeleton vertical holes is respectively arranged with
And Measurement channel, for placing the electric pulse generator, the Measurement channel runs through the cement skeleton, institute to the vertical holes
State Measurement channel to connect with the vertical holes, the measurement assembly and the rock sample are arranged in the Measurement channel.
2. reservoir simulating device according to claim 1, it is characterised in that the reservoir simulating device also includes sleeve pipe,
Described sleeve pipe is arranged in the vertical holes of the cement skeleton, and the electric pulse generator is arranged in described sleeve pipe, the set
Manage for fixing the electric pulse generator.
3. reservoir simulating device according to claim 1, it is characterised in that the reservoir simulating device also includes two thoroughly
Depending on flat cover, two perspective flat covers are separately positioned on the two ends of the Measurement channel, and the perspective flat cover is used to seal described
Measurement channel.
4. reservoir simulating device according to claim 3, it is characterised in that the reservoir simulating device also includes water nozzle,
The water nozzle is arranged on the perspective flat cover, and by the water nozzle to injecting fluid in the experiment chamber, the liquid is institute
State experiment chamber and hyperbaric environment is provided.
5. reservoir simulating device according to claim 4, it is characterised in that the reservoir simulating device also includes measurement
Hole, the measured hole is arranged on any one of perspective flat cover, and the measured hole axially penetrates through the perspective flat cover, passes through
The measured hole observes the state of the rock sample.
6. reservoir simulating device according to claim 1, it is characterised in that the reservoir simulating device also includes suspension ring,
The suspension ring are arranged on the flat cover, and the suspension ring are used to carry out lifting carrying to the experiment chamber.
7. reservoir simulating device according to claim 6, it is characterised in that the reservoir simulating device also includes bipyramid
Ring, the bipyramid ring is arranged between the flat cover and the experiment chamber, and the bipyramid ring is used to seal the experiment chamber.
8. reservoir simulating device according to claim 7, it is characterised in that the reservoir simulating device also include through hole and
Sealing structure, the through hole is arranged on the flat cover, and the through hole is used to provide logical to the cable of the electric pulse generator
Road, the sealing structure is arranged in the through hole, and the sealing structure is used to seal the through hole.
9. reservoir simulating device according to claim 8, it is characterised in that the sealing structure includes compressing top cover, wedge
V-shaped ring, pressure ring and seal bond, the compression top cover, the wedge shape sealing ring, the pressure ring and the seal bond on to
Under be sequentially arranged inside the through hole, and the seal bond be located at the through hole lower end.
10. reservoir simulating device according to claim 1, it is characterised in that the measurement assembly includes impact wave measurement
Probe and core strain measurement probe, the core strain measurement probe is pressed close to the rock sample and is placed, the core strain
Measuring probe is used to measure core strain size, and the impact wave measurement is popped one's head in for measuring what the electric pulse generator sent
Shock wave numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310462944.6A CN104514554B (en) | 2013-09-30 | 2013-09-30 | Reservoir simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310462944.6A CN104514554B (en) | 2013-09-30 | 2013-09-30 | Reservoir simulator |
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| Publication Number | Publication Date |
|---|---|
| CN104514554A CN104514554A (en) | 2015-04-15 |
| CN104514554B true CN104514554B (en) | 2017-05-10 |
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ID=52790377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310462944.6A Active CN104514554B (en) | 2013-09-30 | 2013-09-30 | Reservoir simulator |
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| Country | Link |
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| CN (1) | CN104514554B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557219B (en) * | 2019-09-26 | 2023-05-09 | 中国海洋石油集团有限公司 | Object model sample fracturing effect experimental device and experimental method based on controllable shock wave technology |
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| US6112599A (en) * | 1998-03-26 | 2000-09-05 | Cement Test Equipment, Inc. | Method and apparatus for measuring a cement sample using a single transducer assembly |
| CN101985875A (en) * | 2010-09-27 | 2011-03-16 | 中国石油大学(华东) | Hydraulic pulse-assisted reservoir chemical remedial treatment experiment device and method |
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| CN203515573U (en) * | 2013-09-30 | 2014-04-02 | 中国石油天然气股份有限公司 | Reservoir stratum simulating device |
-
2013
- 2013-09-30 CN CN201310462944.6A patent/CN104514554B/en active Active
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|---|---|---|---|---|
| US4377087A (en) * | 1979-10-11 | 1983-03-22 | Societe Nationale Elf Aquitaine (Production) | Device for acoustically controlling the setting and hardening characteristics of cements |
| US6112599A (en) * | 1998-03-26 | 2000-09-05 | Cement Test Equipment, Inc. | Method and apparatus for measuring a cement sample using a single transducer assembly |
| CN102053253A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | Rock sample detection and data acquisition system and method and application thereof |
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| CN202522434U (en) * | 2012-04-24 | 2012-11-07 | 延安双丰集团有限公司 | Acoustical property detection and simulation device for structure under oil well |
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