CN204627603U - A kind of well cementation flushing liquor testing arrangement - Google Patents
A kind of well cementation flushing liquor testing arrangement Download PDFInfo
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- CN204627603U CN204627603U CN201520248794.3U CN201520248794U CN204627603U CN 204627603 U CN204627603 U CN 204627603U CN 201520248794 U CN201520248794 U CN 201520248794U CN 204627603 U CN204627603 U CN 204627603U
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- flushing liquor
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- flushing
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 167
- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 239000012065 filter cake Substances 0.000 claims abstract description 56
- 239000002002 slurry Substances 0.000 claims abstract description 56
- 238000004088 simulation Methods 0.000 claims abstract description 44
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 239000012530 fluid Substances 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 15
- 239000004568 cement Substances 0.000 description 7
- 239000011435 rock Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
The utility model provides a kind of well cementation flushing liquor testing arrangement, and well cementation flushing liquor testing arrangement of the present utility model comprises: rinse cylinder, flushing liquor injection device; Described flushing cylinder comprises: cylindricality urceolus and the slurry filter-cake simulation cylinder and the bracket that are positioned at described urceolus; Described urceolus has first input end and the first output, and described first input end is connected with described flushing liquor injection device; Described slurry filter-cake simulation cylinder comprises: the support tube with at least one liquid-leaking nozzle, and the outside of the periphery of described support tube is also equipped with filtering surface, and two rounded bottom surfaces of described support tube are closed; Described bracket is used for described slurry filter-cake simulation cylinder and described urceolus to fix, the axis of described filtering surface and the axis of described urceolus equidirectional; Described flushing liquor injection device is used for injecting flushing liquor to be tested to described flushing cylinder.The utility model well cementation flushing liquor testing arrangement achieves and a kind ofly constructs easy well cementation flushing liquor testing arrangement.
Description
Technical field
The utility model embodiment relates to mechanical technique, particularly relates to a kind of well cementation flushing liquor testing arrangement.
Background technology
Require in existing " cementing design specification " that the flush efficiency of well cementation flushing liquor needs to be greater than 95%, the flush efficiency in order to evaluating cementing flushing liquor needs scene simulation well cementation well bore wall with bur.
Existing flushing liquor testing arrangement adopts formation core or artificial core simulation well cementation pit shaft, then be full of simulation wellbore hole with drilling fluid and pressurize, make drilling fluid to simulation well barrel leak-off, form filter cake, to simulate scene well cementation well bore wall with bur.
After carrying out flushing liquor evaluation test at every turn, filter cake is still had to remain in the hole of formation core and artificial core, the permeance property of rock core is caused to change, in order to simulate the rock stratum of different permeability energy, need constantly find suitable formation core or prepare suitable artificial core, but, search out the formation core of satisfying the demand very difficult, and the success rate processing the artificial core of satisfying the demand is usually lower, therefore, formation core or artificial core is adopted to carry out the test of flushing liquor flush efficiency, not only consuming time but also consumptive material.
Utility model content
The utility model embodiment provides a kind of well cementation flushing liquor testing arrangement, achieves a kind ofly to construct easy well cementation flushing liquor testing arrangement.
The utility model embodiment provides a kind of well cementation flushing liquor testing arrangement, comprising: rinse cylinder and flushing liquor injection device;
Described flushing cylinder comprises: cylindricality urceolus and the slurry filter-cake simulation cylinder and the bracket that are positioned at described urceolus;
Described urceolus has first input end and the first output, and described first input end is connected with described flushing liquor injection device;
Described slurry filter-cake simulation cylinder comprises: the support tube with at least one liquid-leaking nozzle, and the outside of the periphery of described support tube is also equipped with filtering surface, and two rounded bottom surfaces of described support tube are closed;
Described bracket is used for described slurry filter-cake simulation cylinder and described urceolus to fix, the axis of described filtering surface and the axis of described urceolus equidirectional;
Described flushing liquor injection device is used for injecting flushing liquor to be tested to described flushing cylinder.
Further, described filtering surface is screen cloth or filter paper.
Further, at least one rounded bottom surface of described support tube adopts seal to close.
Further, described urceolus comprises first point and disassembles and disassemble with second point.
Further, described bracket is two, and each described bracket is annular, and two described brackets are socketed on the one end in two tops of described slurry filter-cake simulation cylinder respectively, the annular center of two described brackets and the dead in line of described filtering surface; Each described bracket has at least one opening.
Further, described flushing cylinder also comprises: two baffles, described baffle is taper, wherein, the corresponding baffle of each bracket, for one group of baffle and the bracket of correspondence, described baffle is positioned at the side of described bracket away from described slurry filter-cake simulation cylinder, the bottom surface of described baffle is connected with described bracket, the axle center of described baffle and the dead in line of described filtering surface.
Further, described urceolus comprises main stack shell and two end caps, and described first input end and described first output lay respectively on one of them end cap, the axle center of described first input end and the axle center of described first output and the dead in line of described filtering surface;
The forward open end of described main stack shell and the inner side of rear open end have an annular concave platform respectively, and two described brackets are overlapped on the concave station of the concave station of the forward open end of described main stack shell and the rear open end of described main stack shell respectively;
It is protruding that the openend that two described end caps connect with described main stack shell has an annular stop respectively, and the spacing preiection on the end cap adjacent with the forward open end of described main stack shell is connected to the annular space between the concave station of the forward open end of described main stack shell and the bracket adjacent with the forward open end of described main stack shell; Spacing preiection on the end cap adjacent with the rear open end of described main stack shell is connected to the annular space between the concave station of the rear open end of described main stack shell and the bracket adjacent with the rear open end of described main stack shell.
Further, described well cementation flushing liquor testing arrangement also comprises: angle regulator;
Described angle regulator comprises: the dial with arc chute, central axis holder and sliding axle holder; One end of described central axis holder and the center of circle of described dial hinged, the other end and the described flushing cylinder of described central axis holder are hinged near one end of described flushing liquor injection device, one end of described sliding axle holder and described chute clamping, the other end and the described flushing cylinder of described sliding axle holder are hinged away from one end of described flushing liquor injection device; Described flushing liquor injection device is connected with described flushing cylinder by soft pipeline.
Further, the first output of described flushing cylinder is connected with the second input of described flushing liquor injection device.
Further, described flushing liquor injection device comprises: fluid-containing pot, booster pump, butterfly valve, flow meter,
Described fluid-containing pot is connected with booster pump, and described booster pump is connected with butterfly valve, and described butterfly valve is connected with flow meter, and described flow meter is connected with the input of described flushing cylinder.
The utility model embodiment well cementation flushing liquor testing arrangement, by arranging slurry filter-cake simulation cylinder in flushing cylinder, comprise the support tube with at least one liquid-leaking nozzle, the outside of the periphery of support tube is also equipped with filtering surface, two rounded bottom surfaces of support tube are closed, and adopt flushing liquor injection device to inject to rinsing cylinder the test that flushing liquor to be tested carries out flushing liquor flushing performance, because this structure can simulating the slurry filter-cake simulation cylinder of the slurry filter-cake that the rock stratum of various permeance properties in oil exploitation process is formed simply very easily obtains, therefore, the utility model provides and a kind ofly constructs easy well cementation flushing liquor testing arrangement.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of flushing liquor testing arrangement embodiment one of cementing the well that Fig. 1 provides for the utility model;
Fig. 2 is the structural representation of the slurry filter-cake simulation cylinder of the flushing liquor of well cementation shown in Fig. 1 testing arrangement;
The carrier structure schematic diagram of the well cementation flushing liquor testing arrangement embodiment two that Fig. 3 provides for the utility model;
Fig. 4 is the outer tube structure schematic diagram of the flushing liquor of well cementation shown in Fig. 3 testing arrangement;
The flushing barrel structure schematic diagram of the well cementation flushing liquor testing arrangement embodiment three that Fig. 5 provides for the utility model;
The structural representation of the angle regulator of the well cementation flushing liquor testing arrangement embodiment four that Fig. 6 provides for the utility model;
The structural representation of the well cementation flushing liquor testing arrangement embodiment five that Fig. 7 provides for the utility model;
The structural representation of the well cementation flushing liquor testing arrangement embodiment six that Fig. 8 provides for the utility model.
Reference numeral:
1000, well cementation flushing liquor testing arrangement;
1, cylinder is rinsed;
10, urceolus;
101, first input end; 102, the first output;
103, main stack shell; 104, end cap;
1031, forward open end; 1032, rear open end;
1033, concave station; 1041, spacing preiection;
11, slurry filter-cake simulation cylinder;
110, support tube; 111, filtering surface;
1101, liquid-leaking nozzle; 1102, rounded bottom surface;
1103, seal;
12, bracket;
121, opening;
13, baffle;
2, flushing liquor injection device;
21, fluid-containing pot; 22, booster pump;
23, butterfly valve; 24, flow meter;
3, angle regulator;
31, dial; 32, central axis holder; 33, sliding axle holder;
311, chute; 312, the center of circle of dial;
401, the first soft pipeline; 402, the second soft pipeline;
403, the first hard tube line; 404, the second hard tube line;
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of a kind of flushing liquor testing arrangement embodiment one of cementing the well that Fig. 1 provides for the utility model; Fig. 2 is the structural representation of the slurry filter-cake simulation cylinder of the flushing liquor of well cementation shown in Fig. 1 testing arrangement.
As shown in Figure 1 to Figure 2, the well cementation flushing liquor testing arrangement 1000 that the utility model provides, comprising: rinse cylinder 1, flushing liquor injection device 2;
Rinse cylinder 1 to comprise: cylindricality urceolus 10 and the slurry filter-cake simulation cylinder 11 and the bracket 12 that are positioned at urceolus 10;
Urceolus 10 has first input end 101 and the first output 102, and first input end 101 is connected with flushing liquor injection device 2;
Slurry filter-cake simulation cylinder 11 comprises: the support tube 110 with at least one liquid-leaking nozzle 1101, and the outside of the periphery of support tube 11 is also equipped with filtering surface 111, and two rounded bottom surfaces 1102 of support tube are closed;
Bracket 12 is fixed with urceolus 10 for slurry filter-cake being simulated cylinder 11, the axis of filtering surface 111 and the axis of urceolus 10 equidirectional;
Flushing liquor injection device 2 is for injecting flushing liquor to be tested to flushing cylinder 1.
In embodiment of the present utility model, it should be noted that, flushing liquor is mainly used in rinsing the slurry filter-cake formed by the drilling fluid produced in oil exploitation process and formation downhole, therefore, when the well cementation flushing liquor testing arrangement 1000 adopting the utility model to provide carries out the evaluation of flushing liquor flush efficiency, need the slurry filter-cake first forming one deck simulation on slurry filter-cake simulation cylinder 11.
Optionally, filtering surface 111 can be screen cloth or filter paper, this bi-material all has certain permeability, and, different mesh size or level of interpenetration different filter paper can be used for simulating the rock stratum of different level of interpenetration, with the test of flush efficiency of the flushing liquor that realizes carrying out cementing the well to the slurry filter-cake formed on the true rock stratum of difference.
Such as, can with reference to shown in figure 2, liquid-leaking nozzle 1101 can be evenly distributed on the periphery of support tube 110, and liquid-leaking nozzle 1101 runs through support tube 110, and the diameter of liquid-leaking nozzle 1101 can be 2 millimeters, and filtering surface 111 can adopt 600 object steel screen clothes.
For example, the preparation method simulating slurry filter-cake can specifically comprise:
Drilling fluid is loaded in the slurry cup of cement paste high pressure high temperature filter tester, then slurry filter-cake is simulated cylinder 11 and put into slurry cup, install the kettle cover of cement paste high pressure high temperature filter tester, pressurization is started after being heated to the temperature of setting, temperature and pressure can be arranged according to the actual pressure of the actual temperature of down-hole in oil exploitation process and mining equipment and well cementation inwall, to reach the simulation to the slurry filter-cake formed in various true exploitation scene.
Wherein, it should be noted that, liquid-leaking nozzle 1101 is in the process preparing slurry filter-cake, and the liquid be provided in drilling fluid enters the inside of support tube 110 by liquid-leaking nozzle 1101, and allows the solid matter in drilling fluid rest on filtering surface 111.And two rounded bottom surfaces of support tube 110 need to be closed, this is that it is inner that flushing liquor enters support tube 110, and the evaluation of test result is rinsed in impact in order to prevent in flushing test process.
Optionally, at least one rounded bottom surface 1102 of support tube 110 can adopt seal to close, and such as, sealing nut, can with reference to figure 2.In order to after the process of the slurry filter-cake preparing simulation terminates, poured out by the liquid in support tube 110, making slurry filter-cake simulate cylinder 11 can reuse in upper flushing liquor test of once cementing the well.
Optionally, urceolus 10 can be cylindrical, and first input end 101 and 102 lays respectively at columniform two ends, and urceolus 10 can comprise first point disassembles and disassemble with second point, takes out and install slurry filter-cake simulation cylinder to facilitate.
The slurry filter-cake prepared simulation cylinder 11 is placed in urceolus 10, certain annular spaces is retained between slurry filter-cake simulation cylinder 11 and urceolus 10, outer barrel is entered from the first input end 101 of urceolus 10 for flushing liquor, break through the external surface of slurry filter-cake simulation cylinder 11, then flow out urceolus 10 from the first output 102 of urceolus 10.
Carrying out before and after flushing test, optionally, can respectively the slurry filter-cake simulation cylinder 11 rinsing front and back be weighed and be compared, the difference of described weight is the weight of the slurry filter-cake rinsed out by well cementation flushing liquor to be tested, in order to assess the flushing performance of the well cementation flushing liquor tested.Optionally, those skilled in the art also can analyze the flushing performance of well cementation flushing liquor by modes such as observation screen pack 111 surface residues, the utility model does not limit.
The well cementation flushing liquor testing arrangement that the utility model provides, by arranging slurry filter-cake simulation cylinder in flushing cylinder, comprise the support tube with at least one liquid-leaking nozzle, the outside of the periphery of support tube is also equipped with filtering surface, two rounded bottom surfaces of support tube are closed, and adopt flushing liquor injection device to inject to rinsing cylinder the test that flushing liquor to be tested carries out flushing liquor flushing performance, because this structure can simulating the slurry filter-cake simulation cylinder of the slurry filter-cake that the rock stratum of various permeance properties in oil exploitation process is formed simply very easily obtains, therefore, the utility model provides and a kind ofly constructs easy well cementation flushing liquor testing arrangement.
The carrier structure schematic diagram of the well cementation flushing liquor testing arrangement embodiment two that Fig. 3 provides for the utility model;
Fig. 4 is the outer tube structure schematic diagram of the flushing liquor of well cementation shown in Fig. 3 testing arrangement;
On the basis of Fig. 1 to Fig. 2, as shown in Figure 3 to Figure 4, the well cementation flushing liquor testing arrangement of the present embodiment comprises: bracket 12 can be two, each bracket 12 can be annular, two brackets 12 are socketed on the one end in two tops of slurry filter-cake simulation cylinder 11 respectively, the annular center of two brackets 12 and the dead in line of filtering surface 111; Each bracket 12 has at least one opening 121.
It should be noted that, bracket 12 is ensureing that fixing slurry filter-cake simulation cylinder 11 is with under the prerequisite of the position relationship of urceolus 10, needs to reduce the circulating resistance to the flushing liquor entered in urceolus 10 as much as possible.
Also it should be noted that, adopt two loop brackets can promote the installation reliability of slurry filter-cake simulation cylinder 11 under the prerequisite reducing circulating resistance, prevent slurry filter-cake from simulating cylinder 11 and rock in flushing test.
Optionally, opening can be long arc-shaped holes, can with reference to shown in figure 3, and the opening on each bracket 12 is 3 long arc-shaped holes.The stressed of bracket of this structure more evenly simulate the enabling capabilities of cylinder 11 more firmly to slurry filter-cake, and the circulating resistance produced is minimum, flushing liquor circulation better effects if.
Optionally, bracket 12 can also adopt another kind of optional braced structures, such as.Adopt netted or there is the braced structures of engraved structure.And for example, two annular elements and support bar can be adopted to be welded, the thickness of two annular elements is identical, described two annular elements are positioned at same plane, the center of circle of two annular elements overlaps, the diameter of the annular element that diameter is less equals the external diameter of slurry filter-cake simulation cylinder, the diameter of the annular element that diameter is larger equals the internal diameter of urceolus, three support bars are connected between two annular elements, the extended line of three support bars intersects at the center of circle of described two annular elements, and the angle between adjacent supports bar can be 120 degree.
Further, it is two at bracket 12, and bracket is on the basis of annular, urceolus 10 can comprise main stack shell 103 and two end caps 104, first input end 101 and the first output 102 lay respectively on one of them end cap, the axle center of first input end 101 and the axle center of the first output 102 and the dead in line of filtering surface 111;
The forward open end 1031 of main stack shell 103 and the inner side of rear open end 1032 have an annular concave platform 1033, two brackets 12 respectively and are overlapped on the concave station 1033 of the concave station 1033 of the forward open end 1031 of main stack shell 103 and the rear open end 1032 of main stack shell 103 respectively;
The openend that two end caps 104 connect with main stack shell 103 has an annular stop projection 1041 respectively, and the spacing preiection 1041 on the end cap 104 adjacent with the forward open end 1031 of main stack shell 103 is connected to the annular space between the concave station 1033 of the forward open end 1031 of main stack shell 103 and the bracket 12 adjacent with the forward open end 1031 of main stack shell 103; Spacing preiection 1041 on the end cap 104 adjacent with the rear open end 1032 of main stack shell 103 is connected to the annular space between the concave station 1033 of the rear open end 1032 of main stack shell 103 and the bracket 12 adjacent with the rear open end 1032 of main stack shell 103.
This connected mode makes the not only firm but also very convenient installation of the syndeton between urceolus 10 and bracket 12, and do not need weld brackets or setting in urceolus to be positioned at the buckling groove in the middle part of urceolus, such that the internal construction of urceolus is smooth, the effective and urceolus easy cleaning of flushing liquor circulation.
The flushing barrel structure schematic diagram of the well cementation flushing liquor testing arrangement embodiment three that Fig. 5 provides for the utility model.
On the basis of cementing the well flushing liquor testing arrangement shown in Fig. 4, as shown in Figure 5, the well cementation flushing liquor testing arrangement of the present embodiment can comprise: also comprise in flushing cylinder 1: two baffles 13, baffle 13 is taper, wherein, each bracket 12 can a corresponding baffle 13, for one group of baffle 13 and the bracket 12 of correspondence, baffle 13 is positioned at the side of bracket 12 away from slurry filter-cake simulation cylinder 11, the planar base surface of baffle 13 is connected with bracket 12, the axle center of baffle 13 and the dead in line of filtering surface 111.
When bracket 12 is socketed in one end of slurry filter-cake simulation cylinder 11, the planar base surface of baffle 13 just can contact with the rounded bottom surface 1102 that cylinder 11 simulated by slurry filter-cake.
Baffle 13 is positioned at urceolus 10 inside and the dead in line of the axle center of baffle 13 and filtering surface 111, and those skilled in the art should understand that the diameter of the planar base surface of baffle 13 should be less than the internal diameter of urceolus 10.
Optionally, the planar base surface of baffle 13 can be identical with rounded bottom surface 1102 shape, baffle 13 is made just the flushing liquor entered in urceolus 10 to be guided to the outer of slurry filter-cake simulation cylinder 11 through opening 121, decrease resistance and interference that flushing liquor stands, rinse the circulation better effects if of cylinder.
Optionally, baffle 13 also can be simulated cylinder 11 with slurry filter-cake and is directly connected, and such as, baffle is arranged on the front end of rounded bottom surface 1102, or baffle 13 also can with urceolus clamping.
The other technologies solution details of the present embodiment is extremely embodiment illustrated in fig. 4 identical with Fig. 1 with technique effect, repeats no more herein.
The structural representation of the angle regulator of the well cementation flushing liquor testing arrangement embodiment four that Fig. 6 provides for the utility model.
Cement the well on the basis of flushing liquor testing arrangement shown in Fig. 1 to Fig. 5, as shown in Figure 6, the well cementation flushing liquor testing arrangement of the present embodiment can also comprise angle regulator 3.
Angle regulator 3 comprises: the dial 31 with arc chute 311, central axis holder 32 and sliding axle holder 33; One end of central axis holder 32 and the center of circle 312 of dial hinged, the other end of central axis holder 32 is hinged near one end of flushing liquor injection device 2 with flushing cylinder 1, one end of sliding axle holder 33 and chute 311 clamping, the other end of sliding axle holder 33 is hinged away from one end of flushing liquor injection device 2 with flushing cylinder 1;
Well cementation flushing liquor testing arrangement 1 also comprises: the first soft pipeline 401, and flushing liquor injection device 2 is connected with flushing cylinder 1 by the first soft pipeline 401.
Wherein, adopt the first soft pipeline 401 to connect and rinse cylinder 1 and flushing liquor injection device 2, make the angle between flushing cylinder 1 and flushing liquor injection device variable.
The angle regulator washing cylinder that liquidates is adopted to rotate in the well cementation flushing liquor testing arrangement of the present embodiment, the practical flushing liquor can simulated in the horizontal well of down-hole existence in oil exploitation process, inclined shaft, peupendicular hole carries out the scene of rinsing, and it is more accurate, comprehensive to make the evaluation of the developing result of flushing liquor.
The structural representation of the well cementation flushing liquor testing arrangement embodiment five that Fig. 7 provides for the utility model.
Cement the well on the basis of flushing liquor testing arrangement shown in Fig. 1 to Fig. 6, as shown in Figure 7, in the well cementation flushing liquor testing arrangement of the present embodiment, the first output 102 rinsing cylinder 1 can be connected with the second input of flushing liquor injection device 2, in order to store the waste liquid after flushing temporarily.
The other technologies solution details of the present embodiment is extremely embodiment illustrated in fig. 6 identical with Fig. 1 with technique effect, repeats no more herein.
The structural representation of the well cementation flushing liquor testing arrangement embodiment six that Fig. 8 provides for the utility model.
Cement the well on the basis of flushing liquor testing arrangement shown in Fig. 1 to Fig. 7, as shown in Figure 8, the flushing liquor injection device 2 in the well cementation flushing liquor testing arrangement of the present embodiment can comprise: fluid-containing pot 21, booster pump 22, butterfly valve 23, flow meter 24,
Fluid-containing pot 21 can be connected with booster pump 22, and booster pump 22 can be connected with butterfly valve 23, and butterfly valve 23 can be connected with flow meter 24, and flow meter 24 can be connected with the input 101 rinsing cylinder 1.
Optionally, can be connected by the second soft pipeline 402 between fluid-containing pot 21 with booster pump 22, can be connected by the first hard tube line 403 between booster pump 22 with butterfly valve 23, can be connected by the second hard tube line 404 between butterfly valve 23 with flow meter 24, flow meter 24 can be connected by the first soft pipeline 401 with between the input 101 rinsing cylinder 1.
Wherein, fluid-containing pot 21 can Heating Washer Liquid and stirring, affects by underground heat and equipment to simulate oil exploitation scene working environment at coal mines flushing liquor, the scene that temperature raises, test flushing liquor flushing performance at different temperatures.
In addition, when carrying out flushing liquor and rinsing performance test, can control to start to inject flushing liquor to flushing cylinder 1 by butterfly valve 23, the test pressure of flushing liquor can be regulated by booster pump 22, the use amount of flushing liquor can be controlled by flow meter 24.
Optionally, tester by controlling the time that butterfly valve is opened and stopped, can also realizing the flushing test carrying out Preset Time.
Optionally, if the output 102 rinsing cylinder 1 is connected with flushing liquor injection device 2, then the first output 102 rinsing cylinder 1 can specifically be connected with the 3rd input of fluid-containing pot 21.
Further, the bottom of described fluid-containing pot 21 can arrange a drain valve, for when testing end and this waste liquid tested all is collected back fluid-containing pot 21, is drained by this waste liquid tested by drain valve.Test to open next time.
The other technologies solution details of the present embodiment is extremely embodiment illustrated in fig. 7 identical with Fig. 1 with technique effect, repeats no more herein.
The utility model also provides a kind of well cementation flushing liquor test macro, comprising: well cementation flushing liquor testing arrangement as shown in Figures 1 to 8 and cement paste high pressure high temperature filter tester.
Preparation simulation slurry filter-cake on the slurry filter-cake simulation cylinder of described cement paste high pressure high temperature filter tester in flushing liquor testing arrangement of cementing the well.
The other technologies solution details of the present embodiment is extremely embodiment illustrated in fig. 8 identical with Fig. 1 with technique effect, repeats no more herein.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a well cementation flushing liquor testing arrangement, is characterized in that, comprising: rinse cylinder and flushing liquor injection device;
Described flushing cylinder comprises: cylindricality urceolus and the slurry filter-cake simulation cylinder and the bracket that are positioned at described urceolus;
Described urceolus has first input end and the first output, and described first input end is connected with described flushing liquor injection device;
Described slurry filter-cake simulation cylinder comprises: the support tube with at least one liquid-leaking nozzle, and the outside of the periphery of described support tube is also equipped with filtering surface, and two rounded bottom surfaces of described support tube are closed;
Described bracket is used for described slurry filter-cake simulation cylinder and described urceolus to fix, the axis of described filtering surface and the axis of described urceolus equidirectional;
Described flushing liquor injection device is used for injecting flushing liquor to be tested to described flushing cylinder.
2. well cementation flushing liquor testing arrangement according to claim 1, is characterized in that, described filtering surface is screen cloth or filter paper.
3. well cementation flushing liquor testing arrangement according to claim 1, is characterized in that, at least one rounded bottom surface of described support tube adopts seal to close.
4. well cementation flushing liquor testing arrangement according to claim 1, is characterized in that, described urceolus comprises first point and disassembles and disassemble with second point.
5. well cementation flushing liquor testing arrangement according to claim 1, it is characterized in that, described bracket is two, each described bracket is annular, two described brackets are socketed on the one end in two tops of described slurry filter-cake simulation cylinder respectively, the annular center of two described brackets and the dead in line of described filtering surface; Each described bracket has at least one opening.
6. well cementation flushing liquor testing arrangement according to claim 5, it is characterized in that, described flushing cylinder also comprises: two baffles, described baffle is taper, wherein, and the corresponding baffle of each bracket, for one group of baffle and the bracket of correspondence, described baffle is positioned at the side of described bracket away from described slurry filter-cake simulation cylinder, and the planar base surface of described baffle is connected with described bracket, the axle center of described baffle and the dead in line of described filtering surface.
7. well cementation flushing liquor testing arrangement according to claim 5, it is characterized in that, described urceolus comprises main stack shell and two end caps, described first input end and described first output lay respectively on one of them end cap, the axle center of described first input end and the axle center of described first output and the dead in line of described filtering surface;
The forward open end of described main stack shell and the inner side of rear open end have an annular concave platform respectively, and two described brackets are overlapped on the concave station of the concave station of the forward open end of described main stack shell and the rear open end of described main stack shell respectively;
It is protruding that the openend that two described end caps connect with described main stack shell has an annular stop respectively, and the spacing preiection on the end cap adjacent with the forward open end of described main stack shell is connected to the annular space between the concave station of the forward open end of described main stack shell and the bracket adjacent with the forward open end of described main stack shell; Spacing preiection on the end cap adjacent with the rear open end of described main stack shell is connected to the annular space between the concave station of the rear open end of described main stack shell and the bracket adjacent with the rear open end of described main stack shell.
8. well cementation flushing liquor testing arrangement according to claim 1, is characterized in that, described well cementation flushing liquor testing arrangement also comprises: angle regulator;
Described angle regulator comprises: the dial with arc chute, central axis holder and sliding axle holder; One end of described central axis holder and the center of circle of described dial hinged, the other end and the described flushing cylinder of described central axis holder are hinged near one end of described flushing liquor injection device, one end of described sliding axle holder and described chute clamping, the other end and the described flushing cylinder of described sliding axle holder are hinged away from one end of described flushing liquor injection device;
Described well cementation flushing liquor testing arrangement also comprises: the first soft pipeline, and described flushing liquor injection device is connected with described flushing cylinder by described first soft pipeline.
9. well cementation flushing liquor testing arrangement according to claim 1, is characterized in that, the first output of described flushing cylinder is connected with the second input of described flushing liquor injection device.
10., according to the arbitrary described well cementation flushing liquor testing arrangement of claim 1-9, it is characterized in that, described flushing liquor injection device comprises: fluid-containing pot, booster pump, butterfly valve, flow meter,
Described fluid-containing pot is connected with booster pump, and described booster pump is connected with butterfly valve, and described butterfly valve is connected with flow meter, and described flow meter is connected with the input of described flushing cylinder.
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| CN201520248794.3U CN204627603U (en) | 2015-04-22 | 2015-04-22 | A kind of well cementation flushing liquor testing arrangement |
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| CN201520248794.3U CN204627603U (en) | 2015-04-22 | 2015-04-22 | A kind of well cementation flushing liquor testing arrangement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240185A (en) * | 2016-12-27 | 2018-07-03 | 中国石油天然气股份有限公司 | The evaluating apparatus and method for flush efficiency of cementing the well |
| CN110658094A (en) * | 2018-06-29 | 2020-01-07 | 中国石油天然气股份有限公司 | Evaluation system and evaluation method for cleaning effect of slurry cleaning liquid |
| CN113882852A (en) * | 2020-06-18 | 2022-01-04 | 中国石油天然气集团有限公司 | Well cementation pad fluid flushing efficiency evaluation device and evaluation method |
-
2015
- 2015-04-22 CN CN201520248794.3U patent/CN204627603U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240185A (en) * | 2016-12-27 | 2018-07-03 | 中国石油天然气股份有限公司 | The evaluating apparatus and method for flush efficiency of cementing the well |
| CN110658094A (en) * | 2018-06-29 | 2020-01-07 | 中国石油天然气股份有限公司 | Evaluation system and evaluation method for cleaning effect of slurry cleaning liquid |
| CN110658094B (en) * | 2018-06-29 | 2022-08-30 | 中国石油天然气股份有限公司 | Evaluation system and evaluation method for cleaning effect of slurry cleaning liquid |
| CN113882852A (en) * | 2020-06-18 | 2022-01-04 | 中国石油天然气集团有限公司 | Well cementation pad fluid flushing efficiency evaluation device and evaluation method |
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