CN203515574U - Cementing fluid washing efficiency evaluation device - Google Patents
Cementing fluid washing efficiency evaluation device Download PDFInfo
- Publication number
- CN203515574U CN203515574U CN201320648980.7U CN201320648980U CN203515574U CN 203515574 U CN203515574 U CN 203515574U CN 201320648980 U CN201320648980 U CN 201320648980U CN 203515574 U CN203515574 U CN 203515574U
- Authority
- CN
- China
- Prior art keywords
- rock core
- valve
- sleeve pipe
- core sleeve
- agitator tank
- 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 - Lifetime
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 40
- 238000011156 evaluation Methods 0.000 title abstract description 8
- 238000005406 washing Methods 0.000 title abstract 4
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 239000011435 rock Substances 0.000 claims description 106
- 230000009467 reduction Effects 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 abstract 4
- 238000000034 method Methods 0.000 description 21
- 238000005553 drilling Methods 0.000 description 12
- 238000004088 simulation Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- -1 remove jumper spool Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Abstract
The utility model relates to a cementing fluid washing efficiency evaluation device, wherein a slurry pump outlet valve is connected with a core sleeving liquid inlet valve in series through a pipeline, the core sleeving liquid inlet valve is orderly connected with an electromagnetic flowmeter and a stirring tank inlet valve in series through the pipeline, an outlet of a stirring tank and a slurry pump inlet valve are connected with each other, a bypass pipeline is arranged between the slurry pump outlet valve and the core sleeving liquid inlet valve, a pressure pump outlet valve and a pressure pump are arranged between the slurry pump outlet valve and the core sleeving liquid inlet valve, a vent nozzle is arranged between the electromagnetic flowmeter and the stirring tank inlet valve, and is connected with a main pipeline through a vent valve, a core sleeving is fixed on a core sleeving support, the core sleeving support is fixedly connected with a big gear, a swing shaft is arranged on an axle center of the big gear, the two ends of the swing shaft are respectively fixed on a rack through bearings, the rack is provided with a swing driving motor, the swing driving motor is connected with a gearbox in a drive mode, a small gear is arranged on an output shaft of the gearbox, and the small gear and the big gear are engaged with each other. The cementing fluid washing efficiency evaluation device can simply and accurately measure washing efficiency of cementing fluid.
Description
Technical field
The utility model relates to a kind of drilling test unit, particularly a kind of cementing fluid flush efficiency evaluating apparatus.
Background technology
In prior art, the cementing fluid flush efficiency evaluation method conventionally adopting mainly contains conical flask method, drilling cuttings post method, sets up large-scale simulation wellbore hole, lab simulation well bore evaluation device and rotational viscometer method etc.
Conical flask method: conical flask method is the method for using the earliest, more original is also relatively simple.The concrete operation step of the method is: 10mL drilling fluid is put into conical flask, add a certain amount of cementing fluid, cover bottle stopper, shake 30 s, pour out mixture from bottle, observe flushing situation.The method is very simple, but has obvious defect, measures inaccurately, and according to the people and the time and different, repeatable poor, the method is only for evaluating roughly developing result for the size of shaking strength, now seldom use.
Drilling cuttings post method: take 500 g drilling cuttings, and with drilling fluid parcel, pack in glass infuser, inject a certain amount of cementing fluid, make cementing fluid flow through drilling cuttings post, according to the Mass Calculation flush efficiency of the drilling fluid rinsing out.The method is compared and is had greatly improved with conical flask method, can calculate flush efficiency, but imperfection, process of the test is more complicated also.
Set up large-scale simulation wellbore hole: by setting up simulation wellbore hole, realize true displacement process, but the method can not actual observation developing result, and experimental scale is very large, needs powerful recycle unit, be not suitable for the performance at Lab-evaluation cementing fluid.
Rotational viscometer method: the method is to make the rotating cylinder outer wall of rotational viscometer be stained with drilling fluid, fills cementing fluid in cup, and speed setting, at 200 r/ min, rinses certain hour, observes developing result.The method can be observed developing result intuitively, but can not quantitatively characterizing flush efficiency, and flushing process also exists larger gap with actual condition.Therefore, still can not guide field construction.
Lab simulation well bore evaluation device: adopt artificial sandstone to simulate the borehole wall, flush efficiency evaluation experimental carries out in dynamic analog pit shaft, has analog casing and the simulation borehole wall in pit shaft.First with drilling fluid, be full of pit shaft pressurization, drilling fluid forms filter cake to borehole wall dehydration.Then with cementing fluid, replace drilling fluid, reach and stop certain time of contact replacing, adopt weight method to calculate flush efficiency.This equipment can provide flush efficiency, to on-the-spot directive significance, be also maximum, but this kind equipment can only be in laboratory subject study at present, each corollary equipment also and imperfection, not yet has a set of complete experimental facilities and ancillary facility to be applied to actual production.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of cementing fluid flush efficiency evaluating apparatus is provided, can the easier flush efficiency of accurately measuring cementing fluid.
For solving above technical problem, a kind of cementing fluid flush efficiency evaluating apparatus provided by the utility model, comprise rock core sleeve pipe, slush pump, agitator tank, electromagnetic flowmeter and force (forcing) pump, the inlet of described rock core sleeve pipe is connected with rock core sleeve pipe liquid feed valve by movable joint, and the liquid outlet of described rock core sleeve pipe is connected with rock core sleeve pipe liquid valve by movable joint; The import of described slush pump is provided with slush pump inlet valve, and described mud delivery side of pump is provided with slush pump outlet valve; The import of described agitator tank is provided with agitator tank inlet valve, the bottom of described agitator tank is provided with agitator tank exhaust-valve, described slush pump outlet valve is in series by pipeline and described rock core sleeve pipe liquid feed valve, described rock core sleeve pipe liquid feed valve is taken into account described agitator tank inlet valve by pipeline and described Electromagnetic Flow and is connected successively, and the outlet of described agitator tank is connected with described slush pump inlet valve; Between described slush pump outlet valve and described rock core sleeve pipe liquid feed valve, be provided with bypass line, force (forcing) pump outlet valve is installed on this bypass line, described force (forcing) pump outlet valve is connected with described pressurization delivery side of pump; Between described electromagnetic flowmeter and described agitator tank inlet valve, be provided with drain, described drain is connected with main pipeline by atmospheric valve.
With respect to prior art, the utility model has been obtained following beneficial effect: first open slush pump outlet valve, slush pump inlet valve, rock core sleeve pipe liquid feed valve, rock core sleeve pipe liquid valve and agitator tank inlet valve, close force (forcing) pump outlet valve and atmospheric valve simultaneously, to agitator tank, inject the quantitative mud heating, open stirring motor mud is stirred, as requested stirring motor is carried out to speed governing; Then opening slush pump returns flow through rock core sleeve pipe, electromagnetic flowmeter of mud sucking-off from agitator tank into agitator tank again, so circulation, mud forms mud cake in rock core sleeve pipe, and electromagnetic flowmeter can gather mud through instantaneous delivery and the integrated flow of rock core sleeve pipe; Then close slush pump outlet valve and rock core sleeve pipe liquid valve, open force (forcing) pump outlet valve and force (forcing) pump simultaneously, make to press in rock core sleeve pipe after reaching 0.7MPa to stop; Then close force (forcing) pump outlet valve, open rock core sleeve pipe liquid valve and atmospheric valve simultaneously, rock core sleeve pipe is carried out to emptying, then unload the rock core sleeve pipe record of weighing for the first time by movable joint; Open agitator tank exhaust-valve and again close after mud is emptying, inject cementing fluid, by between rock core sleeve pipe liquid feed valve and rock core sleeve pipe liquid valve, with jumper spool, dock, startup slush pump cleans whole circulation line; After pipeline-cleaning, close slush pump, drain the cementing fluid with mud, again in agitator tank, inject new cementing fluid, remove jumper spool, rock core sleeve pipe is connected between rock core sleeve pipe liquid feed valve, rock core sleeve pipe liquid valve, with new cementing fluid, the mud cake forming in rock core sleeve pipe is rinsed; Then close rock core sleeve pipe liquid feed valve and rock core sleeve pipe liquid valve and take movable joint apart, taking off rock core sleeve pipe and weigh for the second time and record; Weighing is for the second time connected to rock core sleeve pipe that test pipeline relaying is continuous to be rinsed a period of time after record again, closes rock core sleeve pipe liquid feed valve and rock core sleeve pipe liquid valve and takes movable joint apart, takes off rock core sleeve pipe and weighs for the third time and record; Cyclic test like this record, according to the change calculations flush efficiency of mud cake weight.By different densities cementing fluid, rinse the mud cake in rock core and weigh, can test effect and performance that different densities cementing fluid rinses mud.
As preferred version of the present utility model, described rock core sleeve pipe comprises the artificial core of taking from the underground borehole wall, described artificial core is provided with the through hole along Axis Extension, the two ends of described artificial core are respectively installed with rock core protective sleeve, described rock core protective sleeve inserts respectively in the endoporus of rock core support and realizes sealing, described in two, the periphery of rock core support is sleeved in outer tube and sealing mutually, the two-port of described outer tube is sealed by end cap respectively, and described in two, the center of end cap is respectively equipped with described inlet and described liquid outlet; Described inlet and liquid outlet connect with the through hole of described rock core respectively, and described outer sleeve bottom is provided with sleeve pipe outfall.Select the rock core that take out down-hole to be made into the artificial borehole wall, the variation that through-hole aperture can simulated field well hole diameter, the process that its dehydration forms mud cake more meets conditions down-hole; Except the through hole that mud is flowed through, all the other positions seal mutually, and the water infiltrating from artificial core wall pipe can be discharged from sleeve pipe outfall.
As further preferred version of the present utility model, described rock core sleeve pipe is fixed on rock core casing support, described rock core casing support is fixedly connected with gear wheel, the axle center of described gear wheel is provided with swinging shaft, the two ends of described swinging shaft are fixed in frame by bearing support respectively, in described frame, be provided with and wave drive motors, described in wave drive motors and reduction box is in transmission connection, on the output shaft of described reduction box, pinion is installed, described pinion is meshed with described gear wheel.Wave drive motors and rotate by reduction box driving pinion, pinion drives gear wheel to rotate around swinging shaft, and rock core sleeve pipe can swing with gear wheel within the scope of 0 ~ 180 °, meets the angle requirement of test.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, accompanying drawing only provides reference and explanation use, non-in order to limit the utility model.
Fig. 1 is the pipeline schematic diagram of the utility model cementing fluid flush efficiency evaluating apparatus.
Fig. 2 is the structural representation of rock core sleeve pipe in the utility model cementing fluid flush efficiency evaluating apparatus.
Fig. 3 is the front view of angle-adjusting mechanism in the utility model cementing fluid flush efficiency evaluating apparatus.
Fig. 4 is the left view of Fig. 3.
In figure: 1. rock core sleeve pipe; 1a. artificial core; 1b. rock core protective sleeve; 1c. rock core support; 1d. outer tube; 1d1. sleeve pipe outfall; 1e. end cap; 1f. inlet; 1g. liquid outlet; 1h. rock core sleeve pipe liquid feed valve; 1j. rock core sleeve pipe liquid valve; 2. slush pump; 2a. slush pump outlet valve; 2b. slush pump inlet valve; 3. agitator tank; 3a. agitator tank inlet valve; 4. electromagnetic flowmeter; 5. force (forcing) pump; 5a. force (forcing) pump outlet valve; 6. drain; 6a. atmospheric valve; 7. rock core casing support; 8. gear wheel; 9. swinging shaft; 10. bearing support; 11. frames; 12. wave drive motors; 13. reduction boxes; 14. pinions.
The specific embodiment
As shown in Figure 1, cementing fluid flush efficiency evaluating apparatus of the present utility model, comprise rock core sleeve pipe 1, slush pump 2, agitator tank 3, electromagnetic flowmeter 4 and force (forcing) pump 5, the inlet 1f of rock core sleeve pipe 1 is connected with rock core sleeve pipe liquid feed valve 1h by movable joint, and the liquid outlet 1g of rock core sleeve pipe 1 is connected with rock core sleeve pipe liquid valve 1j by movable joint; The import of slush pump 2 is provided with slush pump inlet valve 2b, and the outlet of slush pump 2 is provided with slush pump outlet valve 2a; The import of agitator tank 3 is provided with agitator tank inlet valve 3a, the bottom of agitator tank 3 is provided with agitator tank exhaust-valve, slush pump outlet valve 2a is in series by pipeline and rock core sleeve pipe liquid feed valve 1h, rock core sleeve pipe liquid feed valve 1h connects with electromagnetic flowmeter 4 and agitator tank inlet valve 3a successively by pipeline, and the outlet of agitator tank 3 is connected with slush pump inlet valve 2b; Between slush pump outlet valve 2a and rock core sleeve pipe liquid feed valve 1h, be provided with bypass line, force (forcing) pump outlet valve 5a is installed on this bypass line, force (forcing) pump outlet valve 5a is connected with the outlet of force (forcing) pump 5; Between electromagnetic flowmeter 4 and agitator tank inlet valve 3a, be provided with drain 6, drain 6 is connected with main pipeline by atmospheric valve 6a.
As shown in Figure 2, rock core sleeve pipe 1 comprises the artificial core 1a that takes from the underground borehole wall, artificial core 1a is provided with the through hole along Axis Extension, the two ends of artificial core 1a are respectively installed with rock core protective sleeve 1b, rock core protective sleeve 1b inserts respectively in the endoporus of rock core support 1c and realizes sealing, the periphery of two rock core support 1c is sleeved in outer tube 1d and sealing mutually, and the two-port of outer tube 1d is sealed by end cap 1e respectively, and two end cap 1e center is respectively equipped with inlet 1f and liquid outlet 1g; Inlet 1f and liquid outlet 1g connect with the through hole of rock core respectively, and outer tube 1d bottom is provided with sleeve pipe outfall 1d1.
As shown in Figure 3, Figure 4, rock core sleeve pipe 1 is fixed on rock core casing support 7, rock core casing support 7 is fixedly connected with gear wheel 8, the axle center of gear wheel 8 is provided with swinging shaft 9, the two ends of swinging shaft 9 are fixed in frame 11 by bearing support 10 respectively, in frame 11, are provided with and wave drive motors 12, wave drive motors 12 and are in transmission connection with reduction box 13, pinion 14 is installed on the output shaft of reduction box 13, and pinion 14 is meshed with gear wheel 8.
Test according to the following steps: (1) opens slush pump outlet valve 2a, slush pump inlet valve 2b, rock core sleeve pipe liquid feed valve 1h, rock core sleeve pipe liquid valve 1j and agitator tank inlet valve 3a, close force (forcing) pump outlet valve 5a and atmospheric valve 6a simultaneously, to agitator tank 3, inject the quantitative mud heating, open stirring motor mud is stirred, as requested stirring motor is carried out to speed governing; Startup is waved drive motors 12 and is rotated by reduction box driving pinion, and pinion drives gear wheel 8 to rotate around swinging shaft 9, and rock core sleeve pipe 1 is rocked to gear wheel 8 angle that test needs.
(2) opening slush pump 2 returns flow through rock core sleeve pipe 1, electromagnetic flowmeter 4 of mud sucking-off from agitator tank 3 into agitator tank 3 again, so circulation, mud forms mud cake in artificial core 1a, and electromagnetic flowmeter 4 can gather mud through instantaneous delivery and the integrated flow of rock core sleeve pipe.
(3) then close slush pump outlet valve 2a and rock core sleeve pipe liquid valve 1j, open force (forcing) pump outlet valve 5a and force (forcing) pump 5 simultaneously, after making the interior pressure of rock core sleeve pipe reach 0.7MPa, stop, the water infiltrating from artificial core 1a wall pipe is discharged from sleeve pipe outfall 1d1.
(4) close force (forcing) pump outlet valve 5a, open rock core sleeve pipe liquid valve 1j and atmospheric valve 6a simultaneously, rock core sleeve pipe is carried out to emptying, then unload the rock core sleeve pipe record of weighing for the first time by movable joint.
(5) opening agitator tank exhaust-valve closes after mud is emptying again, inject cementing fluid, by between rock core sleeve pipe liquid feed valve 1h and rock core sleeve pipe liquid valve 1j, with jumper spool, dock, starting 2 pairs of whole circulation lines of slush pump cleans, after pipeline-cleaning, close slush pump 2, drain the cementing fluid with mud.
(6) again in agitator tank 3, inject new cementing fluid, remove jumper spool, rock core sleeve pipe is connected between rock core sleeve pipe liquid feed valve 1h, rock core sleeve pipe liquid valve 1j, and rotation, to required angle, is rinsed the mud cake forming in artificial core 1a with new cementing fluid; Then close rock core sleeve pipe liquid feed valve 1h and rock core sleeve pipe liquid valve 1j and take movable joint apart, taking off rock core sleeve pipe and weigh for the second time and record.
(7) weigh for the second time and again rock core sleeve pipe is connected to test pipeline relaying is continuous to be rinsed a period of time after record, close rock core sleeve pipe liquid feed valve 1h and rock core sleeve pipe liquid valve 1j and take movable joint apart, take off rock core sleeve pipe and weigh for the third time and record; Cyclic test like this record, according to the change calculations flush efficiency of mud cake weight.
The foregoing is only the better possible embodiments of the utility model, non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (3)
1. a cementing fluid flush efficiency evaluating apparatus, comprise rock core sleeve pipe, slush pump, agitator tank, electromagnetic flowmeter and force (forcing) pump, it is characterized in that: the inlet of described rock core sleeve pipe is connected with rock core sleeve pipe liquid feed valve by movable joint, the liquid outlet of described rock core sleeve pipe is connected with rock core sleeve pipe liquid valve by movable joint; The import of described slush pump is provided with slush pump inlet valve, and described mud delivery side of pump is provided with slush pump outlet valve; The import of described agitator tank is provided with agitator tank inlet valve, the bottom of described agitator tank is provided with agitator tank exhaust-valve, described slush pump outlet valve is in series by pipeline and described rock core sleeve pipe liquid feed valve, described rock core sleeve pipe liquid feed valve is taken into account described agitator tank inlet valve by pipeline and described Electromagnetic Flow and is connected successively, and the outlet of described agitator tank is connected with described slush pump inlet valve; Between described slush pump outlet valve and described rock core sleeve pipe liquid feed valve, be provided with bypass line, force (forcing) pump outlet valve is installed on this bypass line, described force (forcing) pump outlet valve is connected with described pressurization delivery side of pump; Between described electromagnetic flowmeter and described agitator tank inlet valve, be provided with drain, described drain is connected with main pipeline by atmospheric valve.
2. cementing fluid flush efficiency evaluating apparatus according to claim 1, it is characterized in that: described rock core sleeve pipe comprises the artificial core of taking from the underground borehole wall, described artificial core is provided with the through hole along Axis Extension, the two ends of described artificial core are respectively installed with rock core protective sleeve, described rock core protective sleeve inserts respectively in the endoporus of rock core support and realizes sealing, described in two, the periphery of rock core support is sleeved in outer tube and sealing mutually, the two-port of described outer tube is sealed by end cap respectively, described in two, the center of end cap is respectively equipped with described inlet and described liquid outlet, described inlet and liquid outlet connect with the through hole of described rock core respectively, and described outer sleeve bottom is provided with sleeve pipe outfall.
3. cementing fluid flush efficiency evaluating apparatus according to claim 1 and 2, it is characterized in that: described rock core sleeve pipe is fixed on rock core casing support, described rock core casing support is fixedly connected with gear wheel, the axle center of described gear wheel is provided with swinging shaft, the two ends of described swinging shaft are fixed in frame by bearing support respectively, in described frame, be provided with and wave drive motors, describedly wave drive motors and reduction box is in transmission connection, on the output shaft of described reduction box, pinion is installed, described pinion is meshed with described gear wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320648980.7U CN203515574U (en) | 2013-10-21 | 2013-10-21 | Cementing fluid washing efficiency evaluation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320648980.7U CN203515574U (en) | 2013-10-21 | 2013-10-21 | Cementing fluid washing efficiency evaluation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515574U true CN203515574U (en) | 2014-04-02 |
Family
ID=50374521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320648980.7U Expired - Lifetime CN203515574U (en) | 2013-10-21 | 2013-10-21 | Cementing fluid washing efficiency evaluation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515574U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675345A (en) * | 2015-01-19 | 2015-06-03 | 西南石油大学 | Engineering simulation set and method for quantitative evaluation of flushing efficiency of cementing pre-flushing fluid |
| CN104863533A (en) * | 2015-04-20 | 2015-08-26 | 中国石油大学(华东) | Evaluation device and method of well cementation flushing efficiency |
| CN105422025A (en) * | 2014-09-18 | 2016-03-23 | 中国石油化工股份有限公司 | Device and method used for evaluating flushing liquid |
| CN108590638A (en) * | 2018-03-14 | 2018-09-28 | 长江大学 | Evaluate experimental rig and method that prepad fluid remains pit shaft drilling fluid cleaning efficiency |
-
2013
- 2013-10-21 CN CN201320648980.7U patent/CN203515574U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422025A (en) * | 2014-09-18 | 2016-03-23 | 中国石油化工股份有限公司 | Device and method used for evaluating flushing liquid |
| CN104675345A (en) * | 2015-01-19 | 2015-06-03 | 西南石油大学 | Engineering simulation set and method for quantitative evaluation of flushing efficiency of cementing pre-flushing fluid |
| CN104675345B (en) * | 2015-01-19 | 2017-05-03 | 西南石油大学 | Engineering simulation set and method for quantitative evaluation of flushing efficiency of cementing pre-flushing fluid |
| CN104863533A (en) * | 2015-04-20 | 2015-08-26 | 中国石油大学(华东) | Evaluation device and method of well cementation flushing efficiency |
| CN104863533B (en) * | 2015-04-20 | 2017-04-19 | 中国石油大学(华东) | Evaluation device and method of well cementation flushing efficiency |
| CN108590638A (en) * | 2018-03-14 | 2018-09-28 | 长江大学 | Evaluate experimental rig and method that prepad fluid remains pit shaft drilling fluid cleaning efficiency |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104863533B (en) | Evaluation device and method of well cementation flushing efficiency | |
| CN203515574U (en) | Cementing fluid washing efficiency evaluation device | |
| CN112903961B (en) | Using method of device for simulating underground drilling fluid circulation to form mud cakes | |
| CN205844014U (en) | A kind of drilling fluid online quantitative collection transmitting device | |
| CN103352680B (en) | Foam based on the integration of pit shaft oil reservoir is handled up sediment outflow experimental facilities and method | |
| CN104034550B (en) | Multifunctional slurry shield test system for teaching | |
| CN103279158A (en) | Temperature control-pressure control underground water transfluent pollution simulation system | |
| CN107121354B (en) | Device for testing anti-dispersion property of underwater rock-soluble grouting material and using method thereof | |
| CN104863541B (en) | Cemented experimental method in one kind simulation well cementing process | |
| CN104990776A (en) | Device for simulating underground drilling fluid cake forming and flushing fluid flushing | |
| CN108240185A (en) | The evaluating apparatus and method for flush efficiency of cementing the well | |
| CN203335049U (en) | Foam taking-in and sending-out sand discharging experimental device based on shaft and oil reservoir integration | |
| CN110070789A (en) | A kind of indoor simulation device of seawater invasion | |
| CN204177625U (en) | A kind of sampler measuring grain size of sediment | |
| CN209129602U (en) | Horizontal well horizontal segment dynamic circulation imitative experimental appliance | |
| CN108867555A (en) | A kind of device and method for evaluating crack plugging effect under pressure water action | |
| CN201924920U (en) | Automatic acquisition and washing device for geological logging debris | |
| CN208206745U (en) | It is a kind of for evaluating the device of crack plugging effect under pressure water action | |
| CN104316434B (en) | Device for measuring gas solubility in formation water | |
| CN110107235A (en) | A kind of compacting of drilling fluid filter cake and cleaning efficiency integration evaluating apparatus and method | |
| CN203685083U (en) | Drilling mud recycling device | |
| CN209469428U (en) | Well cementation flushing liquor flush efficiency detection device | |
| CN106285526A (en) | Simulation Cementing rinses experimental provision and the experimental technique of mud cake | |
| CN108035705A (en) | A kind of experimental method for simulating loose sand oil accumulation sand block filter medium clogging | |
| CN202836917U (en) | Fracturing liquid stirring test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
|
| CX01 | Expiry of patent term |