CN204591207U - A kind of portable flaw size adjustable type leak stopping instrument - Google Patents
A kind of portable flaw size adjustable type leak stopping instrument Download PDFInfo
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- CN204591207U CN204591207U CN201420611889.2U CN201420611889U CN204591207U CN 204591207 U CN204591207 U CN 204591207U CN 201420611889 U CN201420611889 U CN 201420611889U CN 204591207 U CN204591207 U CN 204591207U
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Abstract
The utility model provides a kind of portable flaw size adjustable type leak stopping instrument, and comprising: cylinder body, end face is provided with air inlet port and gas outlet; Top board, extend into the inside of cylinder body from the end face of cylinder body; Upper spiral propeller, is connected with top board, stretches into the length of cylinder interior for adjusting top board; Lower platen, extend into the inside of cylinder body from the bottom surface of cylinder body, and relative with top board; Lower spiral propeller, is connected with lower platen, stretches into the length of cylinder interior for adjusting lower platen; Side guide, between top board and lower platen, for forming crack with top board, lower platen respectively; Side spiral propeller, one end is connected with side guide, and the other end passes from cylinder side wall; The length of cylinder interior is stretched into for adjusting side guide; Computer, is connected with upper spiral propeller, lower spiral propeller, side spiral propeller.Device volume is little, can arrange the man-made fracture of different size, achieves the evaluation of leak stopping slurry to different size fracture plugging effect.
Description
Technical field
The utility model relates to a kind of experimental facilities of the parametric measurement for oil drilling, is specifically related to a kind of portable flaw size adjustable type leak stopping instrument.
Background technology
Leak stopping instrument is the important device of the effect evaluating loss circulation material, the DL-1 type leak stopping instrument of Southwest Petrol University's research and development and the DLY-160 type shutoff simulation test device of Sichuan Petroleum Administration's research and development, these two kinds of leak stopping instruments carry out on rock core flow device, according to the quality measuring the size flowing through core filtration and pass judgment on plugging effect.But these two kinds of experimental facilities volumes are comparatively large, complicated operation, and the physical property of testing rock core used is difficult to ensure always, and experimental repeatability is poor.The crack of the BDY-1 portable leak stopping instrument simulation of Drill Co. No. 4, Zhongyuan Petroleum Prospecting Office's research and development is that the sand of use 1.25 ~ 2.00mm and steel ball (diameter is less than 5mm) realize, there is larger difference in the long crack that this and downhole formation are formed, in addition, the diameter of sand and steel ball and the difference of accumulation compaction rate, the difference of simulation fracture condition must be caused, also can produce considerable influence to the repeatability of experimental result.The API leak stopping instrument of U.S. Sang Dila laboratory development utilizes steel aperture plate to come the crack of simulated formation rock, only have 1.0mm, 2.0mm, 3.0mm, 4.0mm and 5.0mm five kinds of width specifications at present, can not experimental conditions under other crack width conditions of fine evaluation.Secondly, slit plate is thinner, and sealing agent is difficult to stop in crack just directly through crack, is difficult to bridge blinding in crack, have impact on the accuracy of evaluation effect.In addition, after loss circulation material enters these microfissures, be stuck in crack and be difficult to remove.Namely the JLX-2 blockage testing device of Changjiang University's development is the improvement carried out on API leak stopping instrument basis, placed the filter block that crack width is 0.4 ~ 3.0mm, can the plugging effect of leakage situation on simulation fracture stratum, but crack width adjustable extent is less, artificial adjustment crack width inaccuracy, thus certain influence is produced to the accuracy of experimental result.
Utility model content
Feature and advantage of the present utility model are partly stated in the following description, or can be apparent from this description, or learn by putting into practice the utility model.
For overcoming the problem of prior art, the utility model provides a kind of portable flaw size adjustable type leak stopping instrument, top board, lower platen and side guide is adopted accurately to regulate the blockage testing device of flaw size, to meet the plugging effect can evaluating loss circulation material under different crack width condition, for the effect and optimization testing instrument evaluating loss circulation material provides technical support.
The utility model provides a kind of portable flaw size adjustable type leak stopping instrument, and comprising: cylinder body, end face is provided with air inlet port and gas outlet; Top board, extend into the inside of this cylinder body from the end face of this cylinder body; Upper spiral propeller, is connected with this top board, stretches into the length of this cylinder interior for adjusting this top board; Lower platen, extend into the inside of this cylinder body from the bottom surface of this cylinder body, and relative with this top board; Lower spiral propeller, is connected with this lower platen, stretches into the length of this cylinder interior for adjusting this lower platen; Side guide, between this top board and lower platen, for forming crack with this top board, lower platen respectively; Side spiral propeller, one end is connected with this side guide, and the other end passes from this cylinder side wall; The length of this cylinder interior is stretched into for adjusting this side guide; Computer, is connected with spiral propeller, lower spiral propeller, side spiral propeller on this, for calculating the width in this crack, and controls the indentation distance of spiral propeller on this, lower spiral propeller, side spiral propeller.
According to an embodiment of the present utility model, the longitudinal profile of this cylinder body is concave shape, and this top board extend into the inside of this cylinder body from this cylinder body to recessed end face, this cylinder body is divided into test cabinet and filtrate receiving chamber.
According to an embodiment of the present utility model, also comprise: heating jacket, be positioned at the external surface of this test cabinet; Temperature controller, is connected with this heating jacket, for giving the leak stopping slurry heating of test cabinet, the geological environment of high temperature under simulation well.
According to an embodiment of the present utility model, the bottom of this filtrate receiving chamber is provided with leak-off hole, and this leak-off hole is connected with leak-off batchmeter.
According to an embodiment of the present utility model, this side spiral propeller passes from the sidewall of this test cabinet.
According to an embodiment of the present utility model, the air inlet port of this cylinder body is positioned on the end face of this test cabinet, and this gas outlet is positioned on the end face of this filtrate receiving chamber.
According to an embodiment of the present utility model, also comprising source of the gas, be connected with this air inlet port, forming pressure reduction, the pressure difference environment between simulation well well-sinking and stratum for making this test cabinet and filtrate receiving chamber.
According to an embodiment of the present utility model, also comprise inlet pressure controller, be connected with this air inlet port, this computer, this computer is used for the pressure being set this test cabinet by this inlet pressure controller.
According to an embodiment of the present utility model, also comprise outlet pressure controllers, be connected with this gas outlet, this computer, this computer is used for setting this filtrate receiving chamber pressure by this outlet pressure controllers.
According to an embodiment of the present utility model, also comprise: upper sealing ring, between this top board and this cylinder body; Lower seal, between this lower platen and this cylinder body; Side seal circle, between this side spiral propeller and this cylinder body.
The utility model provides a kind of portable flaw size adjustable type leak stopping instrument, be applied to drilling technology field, this device can under simulation well sub-surface high temperature and high pressure environment condition, the man-made fracture of different size is set, thus achieve the evaluation of leak stopping slurry to different size fracture plugging effect, this apparatus design is exquisite, and volume is little, and conventional efficient is high.
By reading manual, those of ordinary skill in the art will understand the characteristic sum content of these technical schemes better.
Accompanying drawing explanation
Below by with reference to accompanying drawing describe the utility model particularly in conjunction with example, advantage of the present utility model and implementation will be more obvious, wherein content shown in accompanying drawing is only for explanation explanation of the present utility model, and do not form restriction of going up in all senses of the present utility model, in the accompanying drawings:
Fig. 1 is the structural representation of the portable flaw size adjustable type leak stopping instrument of the utility model embodiment.
In Fig. 1: 1 is cylinder body, 2 is top board, and 3 is upper spiral propeller, and 4 is upper sealing ring, 5 is lower platen, and 6 is lower spiral propeller, and 7 is lower seal, and 8 is side guide, 9 is side spiral propeller, and 10 is side seal circle, and 11 is heating jacket, and 12 is temperature controller, 13 is source of the gas, and 14 is switch, and 15 is inlet pressure controller, 16 is air inlet port, and 17 is outlet pressure controllers, and 18 is gas outlet, 19 is leak-off hole, and 20 is leak-off batchmeter, and 21 is computer.
Detailed description of the invention
As shown in Figure 1, the utility model provides a kind of portable flaw size adjustable type leak stopping instrument, and comprising: cylinder body 1, end face is provided with air inlet port 16 and air inlet port 18; Top board 2, extend into the inside of cylinder body 1 from the end face of cylinder body 1; Upper spiral propeller 3, is connected with top board 2, stretches into the length of cylinder body 1 inside for adjusting top board 2; Lower platen 5, extend into the inside of cylinder body 1 from the bottom surface of cylinder body 1, and relative with top board 2; Lower spiral propeller 6, is connected with lower platen 5, stretches into the length of cylinder body 1 inside for adjusting lower platen 5; Side guide 8, between top board 2 and lower platen 5, for forming crack with top board 2, lower platen 5 respectively; Side spiral propeller 9, one end is connected with side guide 8, and the other end passes from cylinder body 1 sidewall; The length of cylinder body 1 inside is stretched into for adjusting side guide 8; Computer 21, is connected with upper spiral propeller 3, lower spiral propeller 6, side spiral propeller 9, for calculating the width in crack, and controls the indentation distance of upper spiral propeller 3, lower spiral propeller 6, side spiral propeller 9.So, experimentally need, just set top board 2 and side guide 8, flaw size between lower platen 5 and side guide 8 respectively by upper spiral propeller 3, lower spiral propeller 6 and side spiral propeller 9, comprise crack width and fracture length, the size of two cracks can be identical, also can be different, and the regulation and control of whole flaw size size have all come by computer 21.
In the present embodiment, also comprise: upper sealing ring 4, between top board 2 and cylinder body 1; Lower seal 7, between lower platen 5 and cylinder body 1; Side seal circle 10, between side spiral propeller 9 and cylinder body 1.Specifically, the end face of cylinder body is provided with the first through hole passed for top board 2, and upper sealing ring 4 is located in the first through hole, and top board passes in sealing ring 4 on this; Equally, the bottom surface of cylinder body is provided with the second through hole passed for lower platen 5, and lower seal 7 is located in the second through hole, and lower platen 5 passes in this lower seal 7; The sidewall of cylinder body is provided with the third through-hole passed for side spiral propeller 9, and side seal circle 10 is located in third through-hole, and side spiral propeller 9 passes in this side seal circle 10.
Wherein, the preferred concave shape of longitudinal profile of this cylinder body 1, top board 2 extend into the inside of cylinder body 1 from cylinder body 1 to recessed end face, cylinder body 1 is divided into test cabinet and filtrate receiving chamber, that is, two parts that this concave shape cylinder body 1 raises up are respectively test cabinet and filtrate receiving chamber.The air inlet port 16 of cylinder body 1 and be positioned on the end face of test cabinet, air inlet port 18 is positioned on the end face of filtrate receiving chamber, and above-mentioned side spiral propeller 9 passes from the sidewall of test cabinet.
In order to the geological environment of high temperature under simulation well, in the present embodiment, the external surface of test cabinet is also provided with heating jacket 11; Heating jacket 11 is connected with temperature controller 12, and this temperature controller 12 can be connected with computer 21.When testing, leak stopping slurry being poured into the test cabinet of cylinder body 1, experimentally needing, set heating-up temperature by computer 21 by temperature controller 12, starch to the leak stopping of test cabinet by heating jacket 11 and heat.
The bottom of filtrate receiving chamber is provided with leak-off hole 19, leak-off hole 19 is connected with leak-off batchmeter 20, so, the leak-off that leak stopping slurry in test cabinet produces through crack just enters leak-off batchmeter 20 by leak-off hole 19 and collects and weigh filter loss, and according to the leakage situation that leak stopping under the size evaluation setting flaw size condition of filter loss is starched.
For the pressure difference environment between simulation well well-sinking and stratum, also comprise: source of the gas 13, be connected with air inlet port 16; Inlet pressure controller 15, is connected with air inlet port 16, computer 21; Outlet pressure controllers 17, is connected with gas outlet 18, computer 21.When testing, set the pressure of test cabinet and filtrate receiving chamber respectively by inlet pressure controller 15 and outlet pressure controllers 17 by computer 21, open the switch 14 connecting source of the gas 13, to make spill cylinder body two ends and test cabinet and filtrate receiving chamber form pressure reduction, realize the function of wellbore pressure under simulation well and strata pressure.
The utility model provides can the ground environment of simulated formation HTHP, and accurately regulates and controls the size of man-made fracture by three groups of pressing plates and spiral propeller, comprises crack width and fracture length, achieves the regulation and control to man-made fracture size in leak stopping instrument.Secondly, the size of two cracks of this instrument designing can be identical, can be different, can only evaluate for the action effect in the crack of a leak stopping slurry shutoff fixed dimension, also real-time plugging effect evaluation can be carried out for passing in time the crack that or two crack sizes continuously change, thus can be used for evaluating the situation in same leak stopping slurry shutoff different size crack, avoid dismounting instrument and redeterminate the human error that process causes; In addition, after evaluation experimental completes, the distance making seam pressing plate can be pulled open, easily the particle be stuck in crack is removed.
Above with reference to the accompanying drawings of preferred embodiment of the present utility model, those skilled in the art do not depart from scope of the present utility model and essence, and multiple flexible program can be had to realize the utility model.For example, to illustrate as the part of an embodiment or the feature that describes can be used for another embodiment to obtain another embodiment.These are only the better feasible embodiment of the utility model, not thereby limit to interest field of the present utility model that the equivalence change that all utilization the utility model manuals and accompanying drawing content are done all is contained within interest field of the present utility model.
Claims (10)
1. a portable flaw size adjustable type leak stopping instrument, is characterized in that, comprising:
Cylinder body, end face is provided with air inlet port and gas outlet;
Top board, extend into the inside of described cylinder body from the end face of described cylinder body;
Upper spiral propeller, is connected with described top board, stretches into the length of described cylinder interior for adjusting described top board;
Lower platen, extend into the inside of described cylinder body from the bottom surface of described cylinder body, and relative with described top board;
Lower spiral propeller, is connected with described lower platen, stretches into the length of described cylinder interior for adjusting described lower platen;
Side guide, between described top board and lower platen, for forming crack with described top board, lower platen respectively;
Side spiral propeller, one end is connected with described side guide, and the other end passes from described cylinder side wall; The length of described cylinder interior is stretched into for adjusting described side guide;
Computer, is connected with described upper spiral propeller, lower spiral propeller, side spiral propeller, for calculating the width in described crack, and controls the indentation distance of described upper spiral propeller, lower spiral propeller, side spiral propeller.
2. portable flaw size adjustable type leak stopping instrument according to claim 1, it is characterized in that, the longitudinal profile of described cylinder body is concave shape, and described top board extend into the inside of described cylinder body from described cylinder body to recessed end face, described cylinder body is divided into test cabinet and filtrate receiving chamber.
3. portable flaw size adjustable type leak stopping instrument according to claim 2, is characterized in that, also comprise: heating jacket, be positioned at the external surface of described test cabinet; Temperature controller, is connected with described heating jacket.
4. portable flaw size adjustable type leak stopping instrument according to claim 2, it is characterized in that, the bottom of described filtrate receiving chamber is provided with leak-off hole, and described leak-off hole is connected with leak-off batchmeter.
5. portable flaw size adjustable type leak stopping instrument according to claim 2, it is characterized in that, described side spiral propeller passes from the sidewall of described test cabinet.
6. portable flaw size adjustable type leak stopping instrument according to claim 2, it is characterized in that, the air inlet port of described cylinder body is positioned on the end face of described test cabinet, and described gas outlet is positioned on the end face of described filtrate receiving chamber.
7. portable flaw size adjustable type leak stopping instrument according to claim 6, is characterized in that, also comprises source of the gas, be connected with described air inlet port, forming pressure reduction for making described test cabinet and filtrate receiving chamber.
8. portable flaw size adjustable type leak stopping instrument according to claim 6, it is characterized in that, also comprise inlet pressure controller, be connected with described air inlet port, described computer, described computer is used for the pressure being set described test cabinet by described inlet pressure controller.
9. portable flaw size adjustable type leak stopping instrument according to claim 6, it is characterized in that, also comprise outlet pressure controllers, be connected with described gas outlet, described computer, described computer is used for setting described filtrate receiving chamber pressure by described outlet pressure controllers.
10. portable flaw size adjustable type leak stopping instrument according to claim 1, is characterized in that, also comprise: upper sealing ring, between described top board and described cylinder body; Lower seal, between described lower platen and described cylinder body; Side seal circle, between described side spiral propeller and described cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611889.2U CN204591207U (en) | 2014-10-21 | 2014-10-21 | A kind of portable flaw size adjustable type leak stopping instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611889.2U CN204591207U (en) | 2014-10-21 | 2014-10-21 | A kind of portable flaw size adjustable type leak stopping instrument |
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| Publication Number | Publication Date |
|---|---|
| CN204591207U true CN204591207U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420611889.2U Active CN204591207U (en) | 2014-10-21 | 2014-10-21 | A kind of portable flaw size adjustable type leak stopping instrument |
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| Country | Link |
|---|---|
| CN (1) | CN204591207U (en) |
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2014
- 2014-10-21 CN CN201420611889.2U patent/CN204591207U/en active Active
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