CN201915954U - Asphaltic sealing simulation test device - Google Patents
Asphaltic sealing simulation test device Download PDFInfo
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- CN201915954U CN201915954U CN201020685460XU CN201020685460U CN201915954U CN 201915954 U CN201915954 U CN 201915954U CN 201020685460X U CN201020685460X U CN 201020685460XU CN 201020685460 U CN201020685460 U CN 201020685460U CN 201915954 U CN201915954 U CN 201915954U
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- test barrel
- electric heating
- heating element
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Abstract
The utility model relates to an asphaltic sealing simulation test device, which is mainly applied to estimating asphaltic treatment agents in the petroleum drilling field. The asphaltic sealing simulation test device simulates underground temperature and pressure of a drilling site by the aid of pressure parts such as an electric heating part, a pressure source and the like, adopts various specially designed slit discs to simulate well wall leak zones for test, and tests and estimates performance of the asphaltic treatment agents and capacity of bearing temperature and pressure according to leakage amount, temperature, bearing pressure, sealing time and the like. The asphaltic sealing simulation test device solves the problem that no testing and estimating instrument and method are provided for sealing performance of asphalt products.
Description
Technical field
The utility model relates to a kind of pitch shutoff simulation test device; be mainly used in test pitch class inorganic agent product plugging effect to the borehole wall in drilling process; estimate the performance of its stabilizing borehole, protection payzone, belong to test, the evaluation appts of the application inorganic agent of field of oil drilling.
Background technology
Asphalt product is extensively widely applied in drilling engineering as the inorganic agent of stabilizing borehole.Current evaluation to the asphalt product sealing characteristics is just estimated by the filter loss of measuring its test preparation slurries.This is a kind of indirect evaluation method, can not reflect the actual sealing characteristics of this series products fully.The effect of asphalt product shutoff borehole wall in research, production and practical application, and the ability of bearing temperature and pressure also do not have the detection, evaluation appts and the method that are suitable at present.For pitch shutoff simulation test device, domestic still do not have this kind instrument at present, do not find external relevant report with quasi-instrument yet.
The utility model content
The purpose of this utility model is to provide a kind of pitch shutoff simulation test device, adopt electric heating element and pressure-producing part, temperature, the pressure condition of simulation situ of drilling well down-hole, by custom-designed slit disk pitch class sample is tested, the performance of test, the evaluation pitch class sample shutoff simulation borehole wall, and the ability of pitch class sample bearing temperature and pressure.Solving relevant treatment agent product does not have the problem of test evaluation instrument and method, for stabilizing borehole in research, production and the practical application of product and protection payzone provide scientific basis.
The utility model adopts following technical scheme, it is a kind of pitch shutoff simulation test device, by power supply, electric heating element, pressure source, the test barrel main body, pressure sensor, temperature pick up, data processor, display and data wire constitute, the high pressure line of pressure source initiating terminal is equipped with switch valve, behind the switch valve with on the high pressure line that test barrel is connected pressurizing valve is installed, have tap line on the high pressure line between pressurizing valve and special joint, relief valve is housed on tap line, pressure sensor is installed on the high pressure line of test barrel loam cake entrance, temperature pick up is installed on the electric heating element, power supply connects electric heating element and temperature controller by lead, pressure sensor all is connected with data processor by data wire with temperature pick up, data processor is connected with display, it is characterized in that the test barrel main body is cylindric, test barrel top is threaded with loam cake, and seal by the loam cake sealing ring, the center drilling of loam cake connects special joint, the special joint of loam cake by high pressure line with test barrel main body inner chamber and pressure-source communication, the test barrel bottom is connected fastening with lower cover by pin, and seal with sealing ring, the valve rod switch is equipped with in the perforate of lower cover center, it is cylindric that electric heating element also is, electric heating element is sleeved on the outside of test barrel main body, there is perforate in electric heating element bottom centre, the valve rod switch of test barrel leads to bottom of device by the perforate of electric heating element bottom centre, be provided with the leakage receiver below the valve rod switch at bottom of device center, test barrel inner chamber bottom is provided with the slit disk, with the seal sealing, the test specimen space is left on test barrel inner chamber slit disk top between slit disk and the test barrel inwall.
Pressure source, pressure sensor, temperature pick up, data processor and display are all the peripheral hardware accessory of this experimental rig.
On the slit disk slit is arranged, for the asphalt test sample provides leakage channel.
Pressure source can adopt gas cylinder or force (forcing) pump etc., so that the pressure condition of simulation situ of drilling well to be provided.Pressure medium can adopt gas, also can adopt liquid.There is data wire to be connected between pressure sensor and data processor and the display, realizes the pressure signal transmission.
There is data wire to be connected between the temperature pick up of electric heating element and data processor and the display, realizes the temperature signal transmission.
The internal diameter of the test barrel of making usually is at 20mm to 100mm, and the height of test barrel is at 20mm to 300mm.
The slit of slit disk is linear pattern or circular ring type, the size of slit is suitable mutually with choosing of the internal diameter of test barrel and height, usually the width of linear pattern slit is between 0.1～1mm, and length is between 10～60mm, and highly (being slit depth) is between 2～20mm; The width of circular ring type slit is between 0.1～1mm, and circle diameter is between 10～60mm, and height is between 2～20mm.
The slit of slit disk, its cross section perpendicular to the slit length direction can be a rectangular surfaces, also can be oblique or lozenges, can also be the combinatorial surface of oblique the lower end rectangular surfaces in upper end or the combinatorial surface of lozenges lower end, upper end rectangular surfaces.
Operating principle of the present utility model after injecting the asphalt test sample in the test barrel, assembles instrument, starts pressurization, heating, begins test.The asphalt test sample is subjected to thermal softening, treats that temperature and pressure reaches test requirements document, and the asphalt test sample spills through the slit disk under pressure, and flows down by the valve rod switch, is accepted and is measured by the leakage receiver.Because the test conditions difference, sample can stop the slit shutoff leakage gradually in the leakage process, promptly forms shutoff.According to wastage, test temperature, bear pressure and shutoff time, the test specimen of pitch class inorganic agent is made quality evaluation.From opening the valve rod switch and pick up counting, promptly form shutoff writing time to treating that leakage stops to flow out.Detect temperature resistant capability if desired, can be elevated to the temperature of appointment, continue test according to test requirements document; Detect bearing capacity if desired, can be elevated to the pressure of appointment, continue test according to test requirements document.After test is finished, open relief valve and let out except that pressure, treat that temperature reduces after, the dismounting related accessory cleans up, and receives and keeps standby.
The beneficial effects of the utility model are: pitch shutoff simulation test device can be under the condition of simulation situ of drilling well downhole temperature and pressure; making pitch class inorganic agent test specimen is the slit disk by simulation borehole wall drop ply; according to leaking liquid amount, test temperature, bear pressure and shutoff time; detect the sealing characteristics of pitch class test specimen, and then estimate the effect of its stabilizing borehole, protection payzone.The utility model is simple in structure, practical, safety.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a test barrel main structure chart of the present utility model;
Fig. 3 is the linear slit schematic diagram of slit disk;
Fig. 4 is the annular slit schematic diagram of slit disk;
Fig. 5 is the slit schematic cross-section of slit disk;
Fig. 6 is the slit schematic cross-section of slit disk;
Fig. 7 is the slit schematic cross-section of slit disk;
Fig. 8 is the slit schematic cross-section of slit disk;
Fig. 9 is the slit schematic cross-section of slit disk;
In the drawings: leakage receiver 1, valve rod switch 2, lower cover 3, pin 4, sealing ring 5, slit disk 6, asphalt test sample 7, test barrel 8, electric heating element 9, loam cake sealing ring 10, loam cake 11, special joint 12, relief valve 13, pressurizing valve 14, pressure source 15, pressure sensor 16, temperature pick up 17, data processor 18, display 19, data wire 20, power supply 21, high pressure line 22, switch valve 23, tap line 24, lead 25, temperature controller 26.
The specific embodiment
Below in conjunction with drawings and Examples, structure of the present utility model is further specified, as Fig. 1, shown in Figure 2, a kind of pitch shutoff simulation test device is by power supply 21, electric heating element 9, pressure source 15, the test barrel main body, pressure sensor 16, temperature pick up 17, data processor 18, display 19 and data wire 20 constitute, on the high pressure line 22 of pressure source 15 initiating terminals switch valve 23 is housed, on switch valve 23 back and the high pressure line 22 that test barrel 8 is connected pressurizing valve 14 is installed, have tap line 24 on the high pressure line that pressurizing valve 14 and special joint are 12, relief valve 13 is housed on tap line 24, pressure sensor 16 is installed on the high pressure line 22 of test barrel loam cake 11 entrance, temperature pick up 17 is installed on the electric heating element 9, power supply 21 connects electric heating element 9 and temperature controller 26 by lead 25, pressure sensor 16 all is connected with data processor 18 by data wire 21 with temperature pick up 17, data processor 18 is connected with display 19, test barrel 8 main bodys are cylindric, test barrel 8 tops are threaded with loam cake 11, and by 10 sealings of loam cake sealing ring, the center drilling of loam cake 11 connects special joint 12, the special joint 12 of loam cake is communicated with pressure source 15 by the inner chamber of high pressure line 22 with test barrel 8 main bodys, test barrel 8 bottoms are connected fastening with lower cover 3 by pin 4, and with sealing ring 5 sealing, the center perforate of lower cover 3 also is equipped with valve rod switch 2, it is cylindric that electric heating element 9 also is, electric heating element 9 is sleeved on the outside of test barrel 8 main bodys, there is perforate in electric heating element 9 bottom centre, the valve rod switch 2 of test barrel 8 leads to bottom of device by the perforate of electric heating element 9 bottom centre, be provided with leakage receiver 1 below the valve rod switch 2 at bottom of device center, test barrel 8 inner chamber bottoms are provided with slit disk 6, with the seal sealing, the space of placing the asphalt test sample is left on test barrel 8 inner chamber slit disk tops between slit disk 6 and the test barrel inwall.
In the foregoing description, the test barrel capacity is 300ml, and the slit disk adopts the circular ring type slit, and slit width is at 1mm, slit length 50mm, slit height (degree of depth) 20mm.Slit is a rectangular surfaces in the cross section perpendicular to length direction.
A pitch shutoff test examples that utilizes said apparatus to finish: selecting temperature for use is 100 ℃, and pressure is 1.5MPa, and injecting the asphalt test sample in the test barrel is 120ml.Test main test result, see Table 1.
After assembling instrument by operating procedure, start instrument pressurization, heating, begin test.Treat that temperature and pressure reaches test requirements document, open the valve rod switch and pick up counting.Treat that leakage stops to flow out writing time when promptly forming shutoff.Detect temperature resistant capability if desired, can be elevated to the temperature of appointment, continue test according to test requirements document.Detect bearing capacity if desired, can be elevated to the pressure of appointment, continue test according to test requirements document.
Table 1
According to the test result of table 1, can do following evaluation: adopt pitch 1 sample 120ml to test, timing 15min forms shutoff, and leaking liquid amount only is 10ml, and the sample heatproof is not less than 100 ℃, and pressure-bearing is not less than 1.5MPa.This sample sealing characteristics is good, goes for relevant formations drilled and uses as sealing agent.
After test is finished, open relief valve and let out except that pressure, treat that temperature reduces after, the dismounting related accessory cleans up, and receives and keeps standby.
The only variation of establishing part and connected mode outside; can not constitute influence, come from the scope that same invention thought close or identical technical scheme on structure, function all belongs to the utility model protection with test apparatus of the present utility model to the utility model essentiality content.
Claims (5)
1. a pitch shutoff simulation test device is by power supply (21), electric heating element (9), pressure source (15), the test barrel main body, pressure sensor (16), temperature pick up (17), data processor (18), display (19) and data wire (20) constitute, on the high pressure line (22) of pressure source (15) initiating terminal switch valve (23) is housed, on the high pressure line (22) that switch valve (23) is back with test barrel (8) is connected pressurizing valve (14) is installed, have tap line (24) on the high pressure line between pressurizing valve (14) and special joint (12), relief valve (13) is housed on tap line (24), pressure sensor (16) is installed on the high pressure line (22) of test barrel loam cake (11) entrance, temperature pick up (17) is installed on the electric heating element (9), power supply (21) connects electric heating element (9) and temperature controller (26) by lead (25), pressure sensor (16) all is connected with data processor (18) by data wire (21) with temperature pick up (17), data processor (18) is connected with display (19), it is characterized in that test barrel (8) main body is cylindric, test barrel (8) top is threaded with loam cake (11), and seal by loam cake sealing ring (10), the center drilling of loam cake (11) connects special joint (12), the special joint of loam cake (12) is communicated with pressure source (15) by the inner chamber of high pressure line (22) with test barrel (8) main body, test barrel (8) bottom is connected fastening with lower cover (3) by pin (4), and seal with sealing ring (5), the center perforate of lower cover (3) also is equipped with valve rod switch (2), electric heating element (9) also is cylindric, electric heating element (9) is sleeved on the outside of test barrel (8) main body, there is perforate in electric heating element (9) bottom centre, the valve rod switch (2) of test barrel (8) leads to bottom of device by the perforate of electric heating element (9) bottom centre, be provided with leakage receiver (1) below the valve rod switch (2) at bottom of device center, test barrel (8) inner chamber bottom is provided with slit disk (6), with the seal sealing, the space of placing asphalt test sample (7) is left on test barrel (8) inner chamber slit disk (6) top between slit disk (6) and test barrel (8) inwall.
2. pitch shutoff simulation test device as claimed in claim 1 is characterized in that on the slit disk (6) slit being arranged, and the width of slit is between 0.1～1mm, and slit height is between 2～20mm.
3. pitch shutoff simulation test device as claimed in claim 2, the slit that it is characterized in that described slit disk is linear pattern or circular ring type.
4. pitch shutoff simulation test device as claimed in claim 2, the slit that it is characterized in that described slit disk (6), its cross section perpendicular to the slit length direction can be a rectangular surfaces, also can be oblique or lozenges, can also be the combinatorial surface of oblique the lower end rectangular surfaces in upper end or the combinatorial surface of lozenges lower end, upper end rectangular surfaces.
5. pitch shutoff simulation test device as claimed in claim 1, the internal diameter that it is characterized in that test barrel (8) are at 20mm to 100mm, and the height of test barrel (8) is at 20mm to 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020685460XU CN201915954U (en) | 2010-12-23 | 2010-12-23 | Asphaltic sealing simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020685460XU CN201915954U (en) | 2010-12-23 | 2010-12-23 | Asphaltic sealing simulation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201915954U true CN201915954U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020685460XU Expired - Fee Related CN201915954U (en) | 2010-12-23 | 2010-12-23 | Asphaltic sealing simulation test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201915954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324189A (en) * | 2015-07-03 | 2017-01-11 | 中国石油化工股份有限公司 | Autoclave as well as sand bed sealing and cementing determinator and determination method |
-
2010
- 2010-12-23 CN CN201020685460XU patent/CN201915954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324189A (en) * | 2015-07-03 | 2017-01-11 | 中国石油化工股份有限公司 | Autoclave as well as sand bed sealing and cementing determinator and determination method |
| CN106324189B (en) * | 2015-07-03 | 2019-08-09 | 中国石油化工股份有限公司 | A kind of casting bed blocks cementing analyzer and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |