CN205936590U - Annular rock core fastener is used in well drilling leak protection leaking stoppage evaluation - Google Patents
Annular rock core fastener is used in well drilling leak protection leaking stoppage evaluation Download PDFInfo
- Publication number
- CN205936590U CN205936590U CN201620901850.3U CN201620901850U CN205936590U CN 205936590 U CN205936590 U CN 205936590U CN 201620901850 U CN201620901850 U CN 201620901850U CN 205936590 U CN205936590 U CN 205936590U
- Authority
- CN
- China
- Prior art keywords
- annular
- leak
- fence
- rock core
- simulation layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses an annular rock core fastener is used in well drilling leak protection leaking stoppage evaluation, the main drop ply environment of solving the simulation of current evaluation holder is not conform to the problem of on -the -spot operating condition. This holder includes core centre gripping fence, water conservancy diversion sleeve pipe, annular simulation layer, fixed seal system and holder main part. The holder main part is equipped with into thick liquid mouth and grout outlet, holder main part inner chamber embeds annular rock core fastener subassembly, and this subassembly comprises with inside annular simulation drop ply the annular core centre gripping fence of outside, leak protection leaking stoppage slurry can be by advancing a thick liquid mouthful injection holder main part inner chamber, and flow through core centre gripping fence and annular simulation layer back are strained mistake (leakage) slurry and is passed through the water conservancy diversion sleeve pipe and discharged by the grout outlet, go into the thick liquid and go out the thick liquid through control, can realize annular simulation drop ply about the end pressure differential mode plan, the leak protection leaking stoppage shutoff of carrying on pressure differential is under tested. The different stratum rerum natura and the on -the -spot actual pit shaft circumference annular wall of a well leakage circumstances can more truly be simulated to this scheme.
Description
Technical field
This utility model is related to oil drilling simulating-estimating device technical field, particularly to a kind of drilling well leak-proof leak-stopping
Evaluate with annular rock core fastener.
Background technology
In drilling process, the leakage not only drilling time of large losses, drilling fluid, also can cause the complex situations such as well slough.
Leak-proof leak-stopping Simulation evaluation technology is the key of leak-proof leak-stopping technological development and on-the-spot guidance.
At present, conventional drilling well leak-proof leak-stopping evaluation clamper mostly is column structure, the actual pit shaft circumference ring with scene
Shape borehole wall leakage situation is not inconsistent, simultaneously because leak-proof leak-stopping plugging action face is little, evaluation result distortion is seriously it is impossible to meet leakproof
Leakage stopping technology research and site technology instruct and require.
Utility model content
In view of this, this utility model provides a kind of drilling well leak-proof leak-stopping evaluation annular rock core fastener, Neng Gougeng
True simulation underground drop ply state and drop ply physical property.
For achieving the above object, this utility model provides following technical scheme：
A kind of drilling well leak-proof leak-stopping evaluation annular rock core fastener, including：Clamp body and being arranged in its cavity
Core clamping fence, annular simulation layer and sealing system；
Described core clamping fence includes internal ring fence and outer shroud fence, and described annular simulation layer is arranged on described internal ring grid
Between hurdle and described outer shroud fence；
The outer wall of described clamp body offers stock inlet and grout outlet；The slurry output end of described stock inlet is communicated in described
Inside internal ring fence, the end of entering to starch of described grout outlet is communicated in outside described outer shroud fence；
Described sealing system ensure that the leakage slurry going out from described circular die pseudo-liminar flow is only capable of from described grout outlet stream
Go out.
Preferably, described annular simulation layer includes several by the hole of its Inside To Outside insertion and/or crack.
Preferably, described hole and/or crack are radially arranged along described annular simulation layer.
Preferably, described annular simulation layer include orifice plate drop ply module, described orifice plate drop ply module offer several by
The hole of its Inside To Outside insertion.
Preferably, described annular simulation layer includes the combination of multiple seam plate drop ply module stackings, two neighboring described seam plate
Constitute by the simulation fracture of its Inside To Outside insertion between drop ply module.
Preferably, described annular simulation layer be by the quartz sand of different-grain diameter, the ring-type artificial cores of Different porosities or
Blister steel formed permeability simulation drop ply, or by be provided with different size hole, crack block combiner become seam, hole property simulation
Drop ply.
Preferably, the cavity of described clamp body is cylinder, and described core clamps fence and described annular simulation layer
It is coaxially disposed with described cylindrical cavity.
Preferably, along the central axial setting of described cylindrical cavity, described grout outlet is along described cylinder for described stock inlet
Being radially arranged of shape cavity.
Preferably, described sealing system includes lid on spiral, sealing upper plate, seal cartridge and sealing lower plate；
Described sealing lower plate is arranged on the cavity bottom of described clamp body, described core clamping fence and described annular
Simulation layer is arranged on described sealing lower plate top；
Described seal cartridge is set in the excircle of described outer shroud fence；
Described sealing upper plate is arranged on the top that described core clamps fence, described annular simulation layer and described seal cartridge
Portion；
On described spiral, lid is arranged on the top of described sealing upper plate and to its downward compression.
Preferably, also include the annular flow guiding casing tube being arranged between described outer shroud fence and described seal cartridge, described
The end of entering to starch of flow guiding casing tube is communicated in outside described outer shroud fence, slurry output end be communicated in described grout outlet enter to starch end.
It can be seen from above-mentioned technical scheme that, the drilling well leak-proof leak-stopping evaluation that this utility model provides is pressed from both sides with annular core
Holder, adds leak-proof leak-stopping slurry in stock inlet, and this slurry sequentially passes through internal ring fence, annular simulation layer and outer shroud fence, finally
Discharged by grout outlet；By controlling into slurry and pulp, can achieve annular simulation drop ply upper and lower side pressure reduction simulation, carry out under pressure reduction
Leak-proof leak-stopping closure experiment；Simulation drop ply in this programme clamper is circulus, the actual pit shaft circumference annular wells with scene
Wall leakage situation is consistent, and leak-proof leak-stopping plugging action face is larger, truly can miss practical situation by simulated field.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The cross-section structure of the drilling well leak-proof leak-stopping evaluation annular rock core fastener that Fig. 1 provides for this utility model embodiment
Schematic diagram；
The structural representation of the annular oriffice drop ply module that Fig. 2 provides for this utility model embodiment；
The cross section structure schematic diagram of the annular oriffice drop ply module that Fig. 3 provides for this utility model embodiment；
The structural representation of the annulus plate drop ply block combiner that Fig. 4 provides for this utility model embodiment；
The cross section structure schematic diagram of the annulus plate drop ply block combiner that Fig. 5 provides for this utility model embodiment.
Wherein, 1 is to cover on spiral, and 2 clamp fence for core, and 3 is sealing upper plate, and 4 is seal cartridge, and 5 is flow guiding casing tube,
6 is annular simulation layer, and 7 is sealing lower plate, and 8 is clamp body, and 9 is stock inlet, and 10 is grout outlet.
Specific embodiment
The utility model discloses a kind of drilling well leak-proof leak-stopping evaluation, with annular rock core fastener, can more truly be simulated not
With formation physical property and scene actual pit shaft circumference annular borehole wall leakage situation.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
The drilling well leak-proof leak-stopping evaluation that this utility model embodiment provides is existed with annular rock core fastener, its core improvement
In, including：Clamp body 8 and the core being arranged in its cavity clamp fence 2, annular simulation layer 6 and sealing system, this sky
Chamber is surrounded by the outer wall of clamp body 8, as rock core chamber；
Wherein, core clamping fence 2 is inside and outside palisading type structure, including internal ring fence and outer shroud fence, annular simulation layer 6
It is arranged in the toroidal cavity between internal ring fence and outer shroud fence, use as simulation drop ply, its structure is referred to Fig. 1 institute
Show；
The outer wall of clamp body 8 offers stock inlet 9 and grout outlet 10, all connects with cavity；Specifically, stock inlet 9
Slurry output end be communicated in inside internal ring fence, the end of entering to starch of grout outlet 10 is communicated in outside outer shroud fence；
Sealing system ensure that leak-off (leakage) slurry flowing out from annular simulation layer 6 is only capable of flowing out from grout outlet 10,
Flowed according to predetermined way with effective control slurry.
It can be seen from above-mentioned technical scheme that, the drilling well leak-proof leak-stopping evaluation annular that this utility model embodiment provides
Rock core fastener, adds leak-proof leak-stopping slurry in stock inlet 9, and this slurry sequentially passes through internal ring fence, annular simulation layer 6 and outer shroud grid
Hurdle, is finally discharged by grout outlet 10；By controlling into slurry and pulp, can achieve annular simulation drop ply upper and lower side pressure reduction simulation, enter
Leak-proof leak-stopping closure experiment under row pressure reduction；Simulation drop ply in this programme clamper is circulus, the actual pit shaft with scene
Circumference annular borehole wall leakage situation is consistent, and leak-proof leak-stopping plugging action face is larger, being capable of truly simulated formation physical property and scene leakage
Mistake situation.
Specifically, can use and leak-proof leak-stopping slurry is pumped in rock core chamber, be can achieve under pressure reduction by controlling pumping pressure
Leak-proof leak-stopping closure experiment；Enter slurry and the control of pulp arranges valve using in respective lines.
Preferably, annular simulation layer 6 includes several by the hole of its Inside To Outside insertion and/or crack, thus
True simulation drop ply structure；Those skilled in the art can be actually needed the particular number determining hole and/or crack and arrangement
Mode.
In order to optimize technique scheme further, hole and/or crack are radially arranged along annular simulation layer 6, are beneficial to
The flowing wherein of leak-proof leak-stopping slurry.
In the first embodiment that this programme provides, annular simulation layer 6 includes orifice plate drop ply module, this orifice plate drop ply mould
Block offers several holes by its Inside To Outside insertion.Specifically, above-mentioned hole is disposed radially, and multiple hole edge
Circumference is uniformly distributed in orifice plate drop ply module, and arranges multilamellar in a thickness direction, and its structure is referred to Fig. 2 and Fig. 3 institute
Show.Modular construction is easy to assembly operation.
In the second embodiment that this programme provides, annular simulation layer 6 includes the group of multiple seam plate drop ply module stackings
Close, constitute by the simulation fracture of its Inside To Outside insertion between two neighboring seam plate drop ply module.Specifically, multiple above-mentioned moulds
Plan crack is and is disposed radially, and is circumferentially uniformly distributed in seam plate drop ply module stacked combination, its structure such as Fig. 4 and Tu
Shown in 5.Modular structure improves test efficiency.
Certainly, clamp the annular simulation layer 6 in fence 2 positioned at core, its structure is not limited only to above-mentioned orifice plate
Or seam plate drop ply.Further, annular simulation layer 6 can also be quartz sand by different-grain diameter, the ring-type people of Different porosities
The formation such as lithogenesis core or blister steel permeability simulation drop ply, also can by be provided with different size hole, crack block combiner become
Seam, hole property simulation drop ply；By providing irregular drop ply structure, being capable of more true simulated field practical situation.
Specifically, the cavity of clamp body 8 is cylinder, and that is, this clamp body 8 has circulus, and core clamps
Fence 2 and annular simulation layer 6 are coaxially disposed with cylindrical cavity；Cylindrical cavity is easy to the laying of annular element, utilization rate
High.
In order to optimize above-mentioned technical scheme further, stock inlet 9 is along the central axial setting of cylindrical cavity, grout outlet
10 being radially arranged along cylindrical cavity, thus improve the validity of simulated field practical situation.Specifically, stock inlet 9 is permissible
Select according to actual needs to be opened in top or the bottom of clamp body 8；Grout outlet 10 low level designs, in order to slurry stream
Go out.
Preferably, designing annular slurry flow channels in the periphery of outer shroud fence, with the actual feelings of truer simulated field
Condition.Can be specifically to open up cannelure in the periphery of outer shroud fence, form above-mentioned ring and the inwall of clamp body 8 between at it
Shape slurry flow channels.
Specifically, core can be clamped by fence 2 by modes such as buckles and annular simulation layer 6 is securely fitted in clamper
In the cavity of main body 8, reassemble sealing system.Clamp body 8 can be placed in leak-proof leak-stopping device, makes as simulation drop ply
With, and the annular each part dimension of core drilling leakage blockage simulation assessment device can be changed according to instrument size.
In the embodiment that this programme provides, sealing system includes on spiral lid 1, sealing upper plate 3, seal cartridge 4 and close
Envelope lower plate 7, structure is referred to shown in Fig. 1；
Wherein, sealing lower plate 7 is arranged on the cavity bottom of clamp body 8, core clamping fence 2 and annular simulation layer 6
It is arranged on sealing lower plate 7 top, there is provided the sealing of lower section；
Seal cartridge 4 is set in the excircle of outer shroud fence, there is provided the sealing of surrounding；
Sealing upper plate 3 is arranged on the top that core clamps fence 2, annular simulation layer 6 and seal cartridge 4, there is provided top
Sealing；
On spiral, lid 1 is arranged on the top of sealing upper plate 3 and to its downward compression.Core can be pressed from both sides by sealing system now
Hold fence 2 and annular simulation layer 6 is fixed in clamp body 8, and ensure leak-off (leakage) slurry flowing out from annular simulation layer 6
Body is only capable of flowing out from grout outlet 10, that is, simultaneously worked as effect that is fixing and sealing, be a kind of fixing seal system, ensure that
While sealing, make total compact.Specifically, on spiral, lid 1 can be to be connected with the inner thread of clamp body 8.
In order to optimize technique scheme further, on spiral, the top of lid 1 is provided with steady pin, can be connected with leak-proof leak-stopping instrument.
The drilling well leak-proof leak-stopping evaluation that this utility model embodiment provides, with annular rock core fastener, also includes setting outside
Annular flow guiding casing tube 5 between ring fence and seal cartridge 4, the end of entering to starch of this flow guiding casing tube 5 is communicated in outside outer shroud fence, goes out
Slurry end be communicated in grout outlet 10 enter to starch end, constitute annular slurry flow channels, thus improving simulated field practical situation
Validity.
Preferably, drilling well leak-proof leak-stopping experiment annular rock core fastener can install magnetic stirring apparatuses, simulation is dynamic
Leak-proof leak-stopping technique.
With reference to specific works mode, this programme is described further：
Add leak-proof leak-stopping slurry in stock inlet 9, slurry sequentially passes through internal ring fence, annular simulation layer 6 and outer shroud fence, filter
Lose (leakage) slurry to be discharged by grout outlet 10 by flow guiding casing tube 5；By lid 1, sealing upper plate 3, seal cartridge 4 and sealing on spiral
Core clamping fence 2 and annular simulation layer 6 can be fixed in clamper 8 main body for the fixing seal system of lower plate 7 composition, and protect
Leak-off (leakage) slurry that card flows out from annular simulation layer 6 is only capable of flowing out from grout outlet 10；Annular simulation layer 6 can be according to actual feelings
Condition forms permeability simulation drop ply by the quartz sand of different-grain diameter, the ring-type artificial cores of Different porosities or blister steel etc.,
Can simulate the leakage ground of different physical property by being provided with different size hole, the seam of crack block combiner one-tenth, hole property simulation drop ply
Layer.This programme can more truly simulate the physical property on underground leakage stratum and the practical situation of scene leakage.
In sum, this utility model embodiment discloses a kind of drilling well leak-proof leak-stopping evaluation annular rock core fastener,
Mainly solve the problems, such as that the existing drop ply environment evaluating clamper simulation does not meet live actual condition.This clamper includes core
Clamping fence, flow guiding casing tube, annular simulation layer, fixing seal system and clamp body.Clamp body be provided with stock inlet and
Grout outlet, upper end is fixed with leak-proof leak-stopping instrument by steady pin；Clamp body inner chamber built-in annular rock core fastener assembly,
This assembly clamps fence by outside annular core and internal annular simulation drop ply forms, and this annular simulation drop ply can be by difference
Particle diameter quartz sand, artificial cores group circularize seepage floor, also can by being provided with the seam plate of different size leakage channel, orifice plate carries out mould
Massing assembles；Leak-proof leak-stopping slurry can inject clamp body inner chamber by stock inlet, flows through core clamping fence and annular
After simulation layer, leak-off (leakage) slurry is discharged by grout outlet by flow guiding casing tube；By controlling into slurry and pulp, can achieve annular
Simulation drop ply upper and lower side pressure reduction simulation, carries out the leak-proof leak-stopping closure experiment under pressure reduction.This programme can more really be simulated
Various sizes of hole, crack or hole-crack drop ply physical property on the down hole annular borehole wall, and the pressure reduction annular under formation temperature
Closure actual condition.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or new using this practicality
Type.Multiple modifications to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The wide scope consistent with features of novelty.
Claims (10)
1. a kind of drilling well leak-proof leak-stopping evaluation uses annular rock core fastener it is characterised in that including：Clamp body (8) and setting
Put the core in its cavity and clamp fence (2), annular simulation layer (6) and sealing system；
Described core clamping fence (2) includes internal ring fence and outer shroud fence, and described annular simulation layer (6) is arranged on described internal ring
Between fence and described outer shroud fence；
The outer wall of described clamp body (8) offers stock inlet (9) and grout outlet (10)；The slurry output end of described stock inlet (9)
It is communicated in inside described internal ring fence, the end of entering to starch of described grout outlet (10) is communicated in outside described outer shroud fence；
Described sealing system ensure that the leakage slurry flowing out from described annular simulation layer (6) is only capable of from described grout outlet (10)
Flow out.
2. drilling well leak-proof leak-stopping evaluation according to claim 1 with annular rock core fastener it is characterised in that described annular
Simulation layer (6) includes several by the hole of its Inside To Outside insertion and/or crack.
3. drilling well leak-proof leak-stopping evaluation according to claim 2 with annular rock core fastener it is characterised in that described hole
And/or crack is radially arranged along described annular simulation layer (6).
4. drilling well leak-proof leak-stopping evaluation according to claim 1 with annular rock core fastener it is characterised in that described annular
Simulation layer (6) includes orifice plate drop ply module, and described orifice plate drop ply module offers several holes by its Inside To Outside insertion
Hole.
5. drilling well leak-proof leak-stopping evaluation according to claim 1 with annular rock core fastener it is characterised in that described annular
Simulation layer (6) includes the combination of multiple seam plate drop ply module stackings, constitutes by it between two neighboring described seam plate drop ply module
The simulation fracture of Inside To Outside insertion.
6. drilling well leak-proof leak-stopping evaluation according to claim 1 with annular rock core fastener it is characterised in that described annular
Simulation layer (6) is the permeability mould being formed by the quartz sand of different-grain diameter, the ring-type artificial cores of Different porosities or blister steel
Intend drop ply, or by be provided with different size hole, crack block combiner become seam, hole property simulation drop ply.
7. drilling well leak-proof leak-stopping evaluation according to claim 1 with annular rock core fastener it is characterised in that described clamping
The cavity of device main body (8) is cylinder, and described core clamps fence (2) and described annular simulation layer (6) and described cylindrical empty
Chamber is coaxially disposed.
8. drilling well leak-proof leak-stopping evaluation annular rock core fastener according to claim 7 is it is characterised in that described enter to starch
Mouth (9) is along the central axial setting of described cylindrical cavity, described grout outlet (10) being radially arranged along described cylindrical cavity.
9. the annular rock core fastener of the drilling well leak-proof leak-stopping evaluation according to claim 1-8 any one, its feature exists
In described sealing system includes lid (1) on spiral, sealing upper plate (3), seal cartridge (4) and sealing lower plate (7)；
Described sealing lower plate (7) is arranged on the cavity bottom of described clamp body (8), described core clamping fence (2) and institute
State annular simulation layer (6) and be arranged on described sealing lower plate (7) top；
Described seal cartridge (4) is set in the excircle of described outer shroud fence；
Described sealing upper plate (3) is arranged on described core clamping fence (2), described annular simulation layer (6) and described seal cartridge
(4) top；
On described spiral, lid (1) is arranged on the top of described sealing upper plate (3) and to its downward compression.
10. drilling well leak-proof leak-stopping evaluation annular rock core fastener according to claim 9 is it is characterised in that also include
It is arranged on the annular flow guiding casing tube (5) between described outer shroud fence and described seal cartridge (4), the entering of described flow guiding casing tube (5)
Slurry end be communicated in outside described outer shroud fence, slurry output end be communicated in described grout outlet (10) enter to starch end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620901850.3U CN205936590U (en) | 2016-08-18 | 2016-08-18 | Annular rock core fastener is used in well drilling leak protection leaking stoppage evaluation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620901850.3U CN205936590U (en) | 2016-08-18 | 2016-08-18 | Annular rock core fastener is used in well drilling leak protection leaking stoppage evaluation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205936590U true CN205936590U (en) | 2017-02-08 |
Family
ID=57947125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620901850.3U Expired - Fee Related CN205936590U (en) | 2016-08-18 | 2016-08-18 | Annular rock core fastener is used in well drilling leak protection leaking stoppage evaluation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205936590U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505964A (en) * | 2018-06-12 | 2018-09-07 | 西南石油大学 | A kind of high pressure dynamic leak stopping evaluation experimental provision and method |
| CN108533210A (en) * | 2018-04-12 | 2018-09-14 | 西南石油大学 | Gel leak-proof leak-stopping property detecting device and its application process under a kind of bad ground |
| CN111411930A (en) * | 2020-03-26 | 2020-07-14 | 中国石油大学(北京) | Visual dynamic filtration and drainage simulation device and simulation method for tight gas reservoir fracturing fluid |
| CN111561281A (en) * | 2020-05-08 | 2020-08-21 | 中国海洋石油集团有限公司 | Drilling fluid leak protection leaking stoppage effect evaluation experiment system |
-
2016
- 2016-08-18 CN CN201620901850.3U patent/CN205936590U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533210A (en) * | 2018-04-12 | 2018-09-14 | 西南石油大学 | Gel leak-proof leak-stopping property detecting device and its application process under a kind of bad ground |
| CN108533210B (en) * | 2018-04-12 | 2020-08-04 | 西南石油大学 | Device for measuring leakage-proof and plugging performance of gel under complex stratum and application method thereof |
| CN108505964A (en) * | 2018-06-12 | 2018-09-07 | 西南石油大学 | A kind of high pressure dynamic leak stopping evaluation experimental provision and method |
| CN108505964B (en) * | 2018-06-12 | 2024-02-23 | 兰州城市学院 | High-pressure dynamic plugging evaluation experimental device and method |
| CN111411930A (en) * | 2020-03-26 | 2020-07-14 | 中国石油大学(北京) | Visual dynamic filtration and drainage simulation device and simulation method for tight gas reservoir fracturing fluid |
| CN111411930B (en) * | 2020-03-26 | 2020-10-16 | 中国石油大学(北京) | Visual dynamic filtration and drainage simulation device and simulation method for tight gas reservoir fracturing fluid |
| CN111561281A (en) * | 2020-05-08 | 2020-08-21 | 中国海洋石油集团有限公司 | Drilling fluid leak protection leaking stoppage effect evaluation experiment system |
| CN111561281B (en) * | 2020-05-08 | 2022-04-29 | 中国海洋石油集团有限公司 | Drilling fluid leak protection leaking stoppage effect evaluation experiment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205936590U (en) | Annular rock core fastener is used in well drilling leak protection leaking stoppage evaluation | |
| CN111561281B (en) | Drilling fluid leak protection leaking stoppage effect evaluation experiment system | |
| CN104727805B (en) | Cement sheath cementing strength evaluating apparatus | |
| CN204422525U (en) | High-temperature high pressure water mudding performance test evaluating apparatus | |
| CN201654010U (en) | Plugging tester | |
| CN105067222B (en) | Porous media moves water grouting device and its method | |
| CN203614095U (en) | Cement sheath cementing strength evaluation device | |
| CN110887645A (en) | Device and method for testing temporary plugging ball seat seal of hole in shale gas horizontal well pipe | |
| CN103277092A (en) | Horizontal well multistage fracturing variable mass multiphase flow simulation experiment device | |
| CN106442209A (en) | Fractured rock mass water inrush and sand inrush simulation experiment device capable of continuously supplying water and sand | |
| CN112855071A (en) | Device and method for plugging gas extraction drill hole by using microbial mineralization circulation | |
| CN107677586A (en) | A kind of new geotextile silting experiment instrument | |
| CN203101363U (en) | Experimental device for simulating annular space plugging agent stoppage repair of casing damage well | |
| CN110441221A (en) | Full diameter shale core ring packing cabin clamping device and measurement technique | |
| CN208520832U (en) | A kind of experimental provision for simulating gas hydrates counterflush drilling flow field change | |
| CN106442893A (en) | Sand-gravel layer grouting simulation device and method for testing by using sand-gravel layer grouting simulation device | |
| CN201722699U (en) | Injection gun device for chemical grout water shutoff construction | |
| CN204903490U (en) | Two multi -functional rock core fasteners of confined pressure of fine and close oil reservoir of crack nature and experimental apparatus | |
| CN110857943A (en) | Experimental device for can be used to induced crack leaking stoppage simulation evaluation | |
| CN105134147B (en) | A kind of sub-prime that can realize notes heterogeneous body well pattern model in the layer adopted | |
| CN114112304B (en) | Experimental device and method for simulating perforation flow erosion of hydraulic fracturing sleeve | |
| CN110411726A (en) | A kind of ejector filler case weld part performance testing device | |
| CN214365994U (en) | Utilize microbial mineralization circulation shutoff gas to take out and adopt drilling equipment | |
| CN214585242U (en) | Novel dynamic leaking stoppage evaluation device | |
| CN110857944A (en) | Drilling fluid leaking stoppage simulation evaluation device for fixing cracks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180727 Address after: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Co-patentee after: Drilling Research Institute of Zhongyuan Petroleum Engineering Co., Ltd. Sinopec Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Co-patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD. Address before: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Co-patentee before: Drilling Research Institute of Zhongyuan Petroleum Engineering Co., Ltd. Sinopec Patentee before: SINOPEC OILFIELD SERVICE CORPORATION |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20190818 |