CN103163042B - A kind of acid proof test system for fracturing propping agents - Google Patents
A kind of acid proof test system for fracturing propping agents Download PDFInfo
- Publication number
- CN103163042B CN103163042B CN201210426515.9A CN201210426515A CN103163042B CN 103163042 B CN103163042 B CN 103163042B CN 201210426515 A CN201210426515 A CN 201210426515A CN 103163042 B CN103163042 B CN 103163042B
- Authority
- CN
- China
- Prior art keywords
- holding chamber
- sour
- gland
- tester
- propping agents
- 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.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of acid proof test system for fracturing propping agents, comprise sour primary heater, tester, press, acid storage tank, sour volume pump and refrigeratory; Be provided with uncovered material-holding chamber in the housing of tester, housing be provided with the inlet, the liquid outlet that are connected with material-holding chamber; Tester also comprises and is suitable for inserting the gland in material-holding chamber, and the bottom of gland and material-holding chamber and inwall match the space being formed and hold described fracturing propping agents, are provided with material folding plate between gland and the bottom of material-holding chamber; Press is suitable for applying pressure by gland to fracturing propping agents.The acid solution of acid storage tank is pumped in sour primary heater after heating by sour volume pump, and enter for carrying out acid resistance test in material-holding chamber by inlet, the acid solution after using gets back to acid storage tank for recycling after refrigeratory cooling.Native system can be used for mini-frac propping agent and carry out acid resistance test under the sour environment of simulate formation rock stratum High Temperature High Pressure.
Description
Technical field
The present invention relates to the device that a kind of fracturing propping agents used oil, gasser fracturing technology carry out acid proof test, belong to proppant technology field.
Background technology
Fracturing propping agents normally have silica sand or Man made ceramic's particle of certain particle size.The effect of fracturing propping agents supports to be filled in fracturing formations crack, in case crack arrest gap stress and closing, object is the flow conductivity that can keep crack, makes oil gas import in Oil/gas Well by crack smoothly, and therefore the fine or not flow conductivity for crack of the performance of propping agent has a significant impact.
The Oil/gas Well exploited at present is much unconventional acid-soluble oil gas reservoir, fracturing propping agents need to be in for a long time in acid subterranean strata environment, this just needs fracturing propping agents to have good acid resistance, therefore usually all will carry out acid resistance investigation to fracturing propping agents before use.In current industry, general adopted acid proof test method is first that the hydrochloric acid of 12:3 mixes with hydrofluorite and is made into [H by mass ratio
+] be the mix acid liquor of 5mol/L, then add in mix acid liquor 5g propping agent keep 65 DEG C soak 0.5h after, measure mass loss and the acid dissolve angle value of propping agent.But the temperature of different regions subterranean strata, pressure and sour environment differ greatly, and therefore above-mentioned method of testing can not reflect the acid resistance of fracturing propping agents in actual subterranean strata environment.
For solving the problem, volume the 6th phase in Chinese periodical " Xi'an Petroleum University's journal (natural science edition) " November the 21st in 2006 the 78th page carries out supporting the test of stitching long-term flow conductivity and measuring after disclosing the acid corrosion of H-1 haydite, acid soak is carried out for a long time under first H-1 haydite is placed in high temperature and high closure stress condition by test, and then the reservoir condition of simulating system in Tahe Oilfield Ordovician Reservoirs carries out flow conductivity test, to investigate the adaptability of H-1 haydite in the construction of Ordovician of Tahe oil reservoir.Although above-mentioned technology gives the method for fracturing propping agents being carried out to acid corrosion under the condition of high temperature, high closure stress, but do not provide the acid proof equipment of mini-frac propping agent, this causes effectively to control temperature, pressure when simulating reservoir environment.
Summary of the invention
Technical matters to be solved by this invention does not provide the equipment of simulating reservoir environment and using in prior art, cause simulated temperature and pressure to be effectively controlled, so propose a kind of can accurately control temperature and pressure with the fracturing propping agents acid proof test device of simulate formation rock stratum environment.
For solving the problems of the technologies described above, the invention provides a kind of acid proof test system for fracturing propping agents, comprising sour primary heater, tester and press; Described sour primary heater is provided with import and outlet; Described tester has housing and is arranged on the opening material-holding chamber in described housing, and be provided with inlet, liquid outlet on the housing, described inlet is connected with described material-holding chamber respectively with described liquid outlet; Described tester also comprises the suitable gland being suitable for being inserted by described material-holding chamber opening in described material-holding chamber with described material-holding chamber, and the bottom of described gland and described material-holding chamber and inwall match the space being formed and hold described fracturing propping agents; The outlet of described sour primary heater is connected by the material-holding chamber of described inlet with described tester; Described press is suitable for applying pressure by exerting pressure to described gland to described fracturing propping agents.
Between described gland and the bottom of described material-holding chamber, be provided with material folding plate, that holds described fracturing propping agents is spatially located between described material folding plate and the bottom of described material-holding chamber, and described press is pressurizeed to described fracturing propping agents by described gland and material folding plate.
The coboundary of described gland and described material-holding chamber opening is tightly connected.
Described material-holding chamber is one, and described gland is one.
Also comprise the acid storage tank with the first valve body, the outlet of described acid storage tank is connected with the import of described sour primary heater, and described first valve body is arranged on the exit of described acid storage tank.
Also comprise sour volume pump, the import of described sour volume pump is connected with the outlet of described acid storage tank, and described acid metering delivery side of pump is connected with the import of described sour primary heater.
Also comprise, described adjustment floss hole is arranged on the interface channel of described sour primary heater and sour volume pump.
Also comprise refrigeratory, the import of described refrigeratory is connected by the material-holding chamber of described liquid outlet with described tester, and the outlet of described refrigeratory is connected with the import of described acid storage tank.
Described tester is also provided with heat preservation component.
The inlet place of described tester also arranges second valve body, and described inlet and liquid outlet are arranged on the relative two side of described tester and the close space holding described fracturing propping agents.
The present invention has following beneficial effect compared with prior art:
(1) the acid proof test system for fracturing propping agents of the present invention, comprises sour primary heater, tester and press; Described sour primary heater is provided with import and outlet; Described tester has housing and is arranged on the opening material-holding chamber in described housing, and be provided with inlet, liquid outlet on the housing, described inlet is connected with described material-holding chamber respectively with described liquid outlet; Described tester also comprises the suitable gland being suitable for being inserted by described material-holding chamber opening in described material-holding chamber with described material-holding chamber, and the bottom of described gland and described material-holding chamber and inwall match the space being formed and hold described fracturing propping agents; The outlet of described sour primary heater is connected by the material-holding chamber of described inlet with described tester; Described press is suitable for applying pressure by exerting pressure to described gland to described fracturing propping agents.
Bottom the material-holding chamber load weighted fracturing propping agents being put into tester, being inserted in described material-holding chamber by gland is pressed on fracturing propping agents, be loaded on the formation closure pressure that will simulate at gland place with press, associated line after stable, open sour primary heater heating acid solution to the formation temperature of simulating, then hot acid liquid is imported in described material-holding chamber by described sour primary heater by inlet, start acid medium washing away propping agent in simulated formation.After end to be tested, valve-off and press, disassemble press and gland, fracturing propping agents in tester are taken out, after suction filtration, drying, weigh the quality of residue fracturing propping agents, the solubleness obtained under the high temperature of fracturing propping agents in simulate formation rock stratum, high pressure, sour environment of poor quality before and after being tested by fracturing propping agents.Avoid in prior art and there is no corresponding testing apparatus, cannot the problem of the accurate temperature and pressure of control simulation subterranean strata environment.
(2) the acid proof test system for fracturing propping agents of the present invention, material folding plate is provided with between described gland and the bottom of described material-holding chamber, that holds described fracturing propping agents is spatially located between described material folding plate and the bottom of described material-holding chamber, and described press is pressurizeed to described fracturing propping agents by described gland and material folding plate.Material folding plate can make fracturing propping agents be uniformly distributed along its plate face, and the fracturing propping agents pressurized that is distributed can be made even, thus can make in order to the hyperbaric environment of simulate formation rock stratum that the pressure be carried on fracturing propping agents is accurately controlled.
(3) the acid proof test system for fracturing propping agents of the present invention, the coboundary of described gland and described material-holding chamber opening is tightly connected.A closed acid proof test environment can be provided for fracturing propping agents like this, avoid the change of the temperature and pressure of external environment to impact test.
(4) the acid proof test system for fracturing propping agents of the present invention, also comprises the acid storage tank with the first valve body, and the outlet of described acid storage tank is connected with the import of described sour primary heater, and described first valve body is arranged on the exit of described acid storage tank.Also comprise sour volume pump, the import of described sour volume pump is connected with the outlet of described acid storage tank, and described acid metering delivery side of pump is connected with the import of described sour primary heater.Also comprise, described adjustment floss hole is arranged on the interface channel of described sour primary heater and sour volume pump.Also comprise refrigeratory, the import of described refrigeratory is connected by the material-holding chamber of described liquid outlet with described tester, and the outlet of described refrigeratory is connected with the import of described acid storage tank.Acid storage tank provides acid solution by sour volume pump to sour primary heater, is delivered in tester after acid solution is heated, and test terminates rear used acid solution and returns again in acid storage tank for circulation after refrigeratory cooling.Regulate floss hole for regulating the flow of acidproof volume pump.Said process achieves recycling of acid solution, decreases the waste of acid solution, protects environment.
Accompanying drawing explanation
In order to make content of the present invention more easily be understood, the present invention is further detailed content of the present invention with embodiment by reference to the accompanying drawings;
The formation schematic diagram of Fig. 1 acid proof test system for fracturing propping agents of the present invention;
The formation schematic diagram of Fig. 2 acid proof test system for fracturing propping agents with material folding plate of the present invention;
The formation schematic diagram of Fig. 3 acid proof test system for fracturing propping agents with material folding plate and acid storage tank of the present invention;
Fig. 4 of the present invention with material folding plate, acid storage tank, sour volume pump and the formation schematic diagram of the acid proof test system for fracturing propping agents;
Fig. 5 of the present invention with material folding plate, acid storage tank, sour volume pump, the formation schematic diagram of the acid proof test system for fracturing propping agents of refrigeratory and heat preservation component.
Wherein Reference numeral is: 1-acid primary heater, 2-tester, 3-press, 4-material-holding chamber, 5-inlet, 6-liquid outlet, 7-gland, 8-fracturing propping agents, 9-material folding plate, 10-acid storage tank, 11-first valve body, 12-acid volume pump, 13-regulates floss hole, 14-refrigeratory, 15-heat preservation component, 16-second valve body.
Embodiment
Acid proof test system for fracturing propping agents of the present invention as shown in Figure 1, comprise sour primary heater 1, tester 2 and press 3, described sour primary heater 1 is provided with import and outlet, the position of the import of described sour primary heater 1 and outlet can be selected according to actual needs, and described press 3 is that commercially available pressing machine, hydraulic press and oil press etc. can execute stressed machinery; Described tester 2 has housing and is arranged on the opening material-holding chamber 4 in described housing, and be provided with inlet 5, liquid outlet 6 on the housing, described inlet 5 and liquid outlet 6 are connected with described material-holding chamber 4 respectively; The setting position of described inlet 5 and liquid outlet 6 can be selected according to actual needs, and in the present embodiment, described inlet 5 and liquid outlet 6 are arranged on the relative two side of described the tester 2 and close space holding described fracturing propping agents 8; Further, in order to control acid solution to be delivered in the material-holding chamber 4 of tester 2, inlet 5 place of described tester 2 is also provided with the second valve body 16;
Described tester 2 also comprises the suitable gland 7 being suitable for being inserted by described material-holding chamber 4 opening in described material-holding chamber 4 with described material-holding chamber 4, and the bottom of described gland 7 and described material-holding chamber 4 and inwall match the space being formed and hold described fracturing propping agents 8; The shape of described gland 7 can be selected according to the shape of described material-holding chamber 4, quantity and the set-up mode of described gland 7 and material-holding chamber 4 can be selected according to actual needs, in the present embodiment, described gland 7 is T-shaped, the lower surface of described gland 7 parallels with the bottom of described material-holding chamber 4, the both sides of described gland 7 upper surface are engaging in the edge of described material-holding chamber 4 opening just, described material-holding chamber 4 is one, described gland 7 is one, and described material-holding chamber 4 is arranged on the center of described tester 2; Described gland 7 is connected with the coboundary of material-holding chamber 4 opening, and in the present embodiment, in order to avoid acid solution is let out by the junction of gland 7 with material-holding chamber 4, described gland 7 is tightly connected with the coboundary of described material-holding chamber 4 opening;
The outlet of described sour primary heater 1 is connected by the material-holding chamber 4 of described inlet 5 with described tester 2, and in the present embodiment, flow to tester 2 for the ease of the acid solution in sour primary heater 1, described sour primary heater 1 is positioned at the top of described tester 2; Described press 3 is suitable for applying pressure by exerting pressure to described fracturing propping agents 8 to described gland 7, and in the present embodiment, described press 3 applies pressure to the upper surface of described gland 7.
On this basis, in order to make fracturing propping agents 8 bottom material-holding chamber 4 can uniform-compression, as transformable embodiment, as shown in Figure 2, material folding plate 9 is provided with between described gland 7 and the bottom of described material-holding chamber 4, that holds described fracturing propping agents 8 is spatially located between described material folding plate 9 and the bottom of described material-holding chamber 4, and described press 3 is pressurizeed to described fracturing propping agents 8 by described gland 7 and material folding plate 9.
Further, as shown in Figure 3, also comprise the acid storage tank 10 with the first valve body 11, the outlet of described acid storage tank 10 is connected with the import of described sour primary heater 1, and described first valve body 11 is arranged on the exit of described acid storage tank 10, in the present embodiment, sour primary heater 1 is flowed to by acid storage tank 10 in order to enable acid solution, then flow to tester 2 again, described acid storage tank 10 is positioned at the top of sour primary heater 1, and described sour primary heater 1 is positioned at the top of described tester 2.
On the basis of the above, be conveyed in sour primary heater 1 in order to make the acid solution in acid storage tank 10 with certain flow rate, then for circulating of acid solution provides power, as shown in Figure 4, also comprise sour volume pump 12, the import of described sour volume pump 12 is connected with the outlet of described acid storage tank 10, and the outlet of described sour volume pump 12 is connected with the import of described sour primary heater 1.
Further, in order to regulate the flow velocity of acid solution, also comprising and regulating floss hole 13, described adjustment floss hole 13 is arranged on described sour primary heater 1 with on the interface channel of sour volume pump 12.
On the basis of above-described embodiment, in order to reclaim used acid solution, as the embodiment improved, also comprise refrigeratory 14, the import of described refrigeratory 14 is connected by the material-holding chamber 4 of described liquid outlet 6 with described tester 2, and the outlet of described refrigeratory 14 is connected with the import of described acid storage tank 10; Further, described tester 2 is also provided with heat preservation component 15, sees Fig. 5.
The pipeline that above-mentioned sour primary heater 1, tester 2, material-holding chamber 4, gland 7, material folding plate 9, acid storage tank 10, first valve body 11, sour volume pump 12, refrigeratory 14, second valve body 16 and acid solution flow through is made by acid resisting material.
In above-described embodiment, after pressurization, in described material-holding chamber 4, the height of fracturing propping agents 8 is preferably 5-20mm, and the flow of acid solution is preferably 0.5-30ml/min.
Above-mentioned acid proof test system operation is as follows:
(1) be that the fracturing propping agents 8 of m are evenly laid bottom material-holding chamber 4 by quality, cover thereon with material folding plate 9 and gland 7 inserted in described material-holding chamber 4, be pressed on described material folding plate 9, load the pressure of simulating to described fracturing propping agents 8 with described press 3 by described gland 7 and material folding plate 9, fracturing propping agents 8 are dispersed and uniform-compression along the plate face of material folding plate 9, connects pipeline after pressure stability; Open the first valve body 11 and regulate floss hole 13, regulating the initial flow of sour volume pump 12, closing after stability of flow and regulate floss hole 13, the acid solution in acid storage tank 10 is imported in sour primary heater 1 continuously and is heated to simulated temperature.
(2) open the second valve body 16, make hot acid liquid successively import in described material-holding chamber 4 by sour primary heater 1 by inlet 5, start timing test, heat preservation component 15 is for keeping the temperature of acid solution simultaneously; In test process, constantly acid solution being delivered in refrigeratory 14 by liquid outlet 6 and cooling, importing afterwards in described acid storage tank 10 for recycling.
(3) at the end of test, turn off the first valve body 11, second valve body 16 and press 3, after the acid solution emptying in material-holding chamber 4, disassemble press 3, gland 7 and material folding plate 9, weigh the quality m through suction filtration, dried fracturing propping agents 8 bottom material-holding chamber 4
1, (m-m
1)/m value is the acid solubility of fracturing propping agents 8 under the High Temperature High Pressure sour environment of simulate formation rock stratum.
Although the present invention has carried out detailed elaboration by above-mentioned specific embodiment to it; but; those skilled in the art should be understood that and made on this basis not exceed any form of claims and the change of details, all belong to invention which is intended to be protected.
Claims (10)
1. for an acid proof test system for fracturing propping agents, it is characterized in that, comprise sour primary heater (1), tester (2) and press (3); Described sour primary heater (1) is provided with import and outlet; Described tester (2) has housing and is arranged on the opening material-holding chamber (4) in described housing, be provided with inlet (5), liquid outlet (6) on the housing, described inlet (5) is connected with described material-holding chamber (4) respectively with described liquid outlet (6); Described tester (2) also comprises the suitable gland (7) being suitable for being inserted by described material-holding chamber (4) opening in described material-holding chamber (4) with described material-holding chamber (4), and the bottom of described gland (7) and described material-holding chamber (4) and inwall match the space being formed and hold described fracturing propping agents (8); The outlet of described sour primary heater (1) is connected with the material-holding chamber (4) of described tester (2) by described inlet (5); Described press (3) is suitable for applying pressure by exerting pressure to described gland (7) to described fracturing propping agents (8).
2. system according to claim 1, it is characterized in that, material folding plate (9) is provided with between described gland (7) and the bottom of described material-holding chamber (4), between the bottom being spatially located at described material folding plate (9) and described material-holding chamber (4) holding described fracturing propping agents (8), described press (3) is pressurizeed to described fracturing propping agents (8) by described gland (7) and material folding plate (9).
3. system according to claim 1 and 2, is characterized in that, described gland (7) is tightly connected with the coboundary of described material-holding chamber (4) opening.
4. system according to claim 3, is characterized in that, described material-holding chamber (4) is one, and described gland (7) is one.
5. the system according to any one of claim 1 or 2 or 4, it is characterized in that, also comprise the acid storage tank (10) with the first valve body (11), the outlet of described acid storage tank (10) is connected with the import of described sour primary heater (1), and described first valve body (11) is arranged on the exit of described acid storage tank (10).
6. system according to claim 5, it is characterized in that, also comprise sour volume pump (12), the import of described sour volume pump (12) is connected with the outlet of described acid storage tank (10), and the outlet of described sour volume pump (12) is connected with the import of described sour primary heater (1).
7. system according to claim 6, is characterized in that, also comprises and regulates floss hole (13), and described adjustment floss hole (13) is arranged on described sour primary heater (1) with on the interface channel of sour volume pump (12).
8. the system according to any one of claim 6 or 7, it is characterized in that, also comprise refrigeratory (14), the import of described refrigeratory (14) is connected with the material-holding chamber (4) of described tester (2) by described liquid outlet (6), and the outlet of described refrigeratory (14) is connected with the import of described acid storage tank (10).
9. the system according to claim 1 or 2 or 4 or 6 or 7, is characterized in that, described tester (2) is also provided with heat preservation component (15).
10. the system according to claim 1 or 2 or 4 or 6 or 7, it is characterized in that, inlet (5) place of described tester (2) also arranges the second valve body (16), and described inlet (5) and liquid outlet (6) are arranged on the relative two side of described tester (2) and the close space holding described fracturing propping agents (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426515.9A CN103163042B (en) | 2012-10-31 | 2012-10-31 | A kind of acid proof test system for fracturing propping agents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426515.9A CN103163042B (en) | 2012-10-31 | 2012-10-31 | A kind of acid proof test system for fracturing propping agents |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103163042A CN103163042A (en) | 2013-06-19 |
| CN103163042B true CN103163042B (en) | 2015-09-16 |
Family
ID=48586309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210426515.9A Active CN103163042B (en) | 2012-10-31 | 2012-10-31 | A kind of acid proof test system for fracturing propping agents |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103163042B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620586B (en) * | 2016-07-13 | 2020-01-24 | 中国石油化工股份有限公司 | Apparatus and method for simulating abrasive performance of proppant in fracture |
| CN111474078A (en) * | 2020-03-27 | 2020-07-31 | 中国石油天然气股份有限公司 | Method and device for evaluating flow conductivity of proppant under acid etching condition |
| CN112345732A (en) * | 2020-11-26 | 2021-02-09 | 中国地质调查局水文地质环境地质调查中心 | Deep geothermal reservoir transformation and seepage heat transfer simulation device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2320972C2 (en) * | 2005-11-11 | 2008-03-27 | Станислав Владимирович МЕДНИКОВ | Method and device for determining durability of materials |
| CN101246105A (en) * | 2008-01-16 | 2008-08-20 | 东北电力大学 | Method and device for measuring anti-dirty performance of material surface based on weight method |
| CN101281189A (en) * | 2008-05-15 | 2008-10-08 | 青岛理工大学 | Cement-based material constant-load composite corrosion tester |
| CN102359911B (en) * | 2011-07-31 | 2013-06-26 | 风帆股份有限公司 | Electrode group pressure and acid absorption quantity measurement method for absorptive glass mat (AGM) lead-acid storage battery |
| CN203011789U (en) * | 2012-10-31 | 2013-06-19 | 北京仁创科技集团有限公司 | System used for testing acid resistance of fracturing proppants |
-
2012
- 2012-10-31 CN CN201210426515.9A patent/CN103163042B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103163042A (en) | 2013-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103645126B (en) | Stratum high-temperature high-pressure air-water phase percolation curve assay method | |
| CN102183796B (en) | Testing device and method for simulating backflow of propping agent | |
| CN104675394B (en) | Heterogeneous bottom-water reservoir three-dimensional physical simulation experimental provision and saturation degree determine method | |
| CN201780251U (en) | Dynamic contamination assessing experimental instrument for coal seam core under high-temperature and high-pressure conditions | |
| US10095819B2 (en) | Simulation experiment system and simulation method of entire natural gas hydrate exploitation process | |
| CN105388254B (en) | HTHP foam fracturing fluid leak-off damage experiment system | |
| CN107339097B (en) | Leak stoppage evaluation device and method | |
| CN106246170B (en) | Five core translocation physical simulating devices and flow net model method | |
| CN202300351U (en) | Long rock core model displacement device | |
| CN204945112U (en) | Foamer performance evaluation test system | |
| CN109138998A (en) | A kind of experimental test procedures of low permeability reservoir high temperature and pressure imbibition oil-recovering rate | |
| CN107478536B (en) | Visualize supporting crack flooding test device | |
| CN105628579A (en) | Shale spontaneous imbibition measurement device | |
| CN103163042B (en) | A kind of acid proof test system for fracturing propping agents | |
| CN105547958A (en) | Spontaneous infiltration absorption measurement method used for shale | |
| CN107656036A (en) | A kind of HTHP dynamic joint seal gas-stopping effect evaluation experimental device and its evaluation method | |
| CN108868716A (en) | For evaluating CO2System and method for displacement effect of emulsion on oil reservoir | |
| CN104535724B (en) | Measure the device and method of supercritical carbon dioxide fracturing fluid leak coefficient | |
| CN103674593A (en) | Device and method for simulating waterflood test in fracturing vertical shaft of low-permeability reservoir | |
| CN108508151A (en) | A kind of pressure break diverting agent sealing characteristics evaluation experimental device and its working method and application | |
| CN104965052B (en) | A kind of riverfrac treatment liquid prop-carrying capacity test system and method for testing | |
| CN203011808U (en) | Fracturing proppant acid resistance testing device | |
| CN203011789U (en) | System used for testing acid resistance of fracturing proppants | |
| Marpaung et al. | Measurement of gel cleanup in a propped fracture with dynamic fracture conductivity experiments | |
| CN208990766U (en) | A kind of object containing natural gas hydrate deposits shakes out reaction kettle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |