CN202228069U - Pressure bearing and leakage blocking tester - Google Patents
Pressure bearing and leakage blocking tester Download PDFInfo
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- CN202228069U CN202228069U CN 201120388238 CN201120388238U CN202228069U CN 202228069 U CN202228069 U CN 202228069U CN 201120388238 CN201120388238 CN 201120388238 CN 201120388238 U CN201120388238 U CN 201120388238U CN 202228069 U CN202228069 U CN 202228069U
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Abstract
The utility model relates to the technical field of drilling fluid leakage blocking effect testing devices in shafts, and provides a pressure bearing and leakage blocking tester, which comprises a pressure bearing device, a crack simulation device, a buffering drainage device and a recovery device, wherein the pressure bearing device, the crack simulation device, the buffering drainage device and the recovery device are fixedly connected together in sequence and are communicated; the crack simulation device includes a pressure bearing outer barrel, a plastic sleeve, an oil pressure gage, a hydraulic source joint and a switch valve; the plastic sleeve is sleeved with the pressure bearing outer barrel, and the oil pressure gage and the hydraulic source joint both communicated with the inside of the plastic sleeve are mounted outside the pressure bearing outer barrel. The pressure bearing and leakage blocking tester has a reasonable and compact structure and is convenient to use, not only can be used for stimulating the compression fracture process of a core, but also can be used for judging the leakage blocking effect through the volume variation of leakage blocking thick liquid flowing out of the recovery device, and the tester has various using functions; at the same time the crack simulation device enables the compression fracture process of the core to be more close to the conditions in the well, thereby enabling the testing data to be more real and accurate.
Description
Technical field
the utility model relates to drilling fluid plugging effect testing arrangement technical field in the pit shaft, is a kind of pressure-bearing leak stopping tester.
Background technology
In
wellbore construction process, drilling fluid leakage causes drilling cost to increase, and wellbore construction can not carry out smoothly, also possibly cause the down-hole complicated; The leakage shutoff difficulty that the deep formation crack causes is high, also requires it to have higher bearing capacity, is convenient to follow-up construction; At present, the crack of the loss circulation material experiment instrument of domestic use simulation is the shrouding with steel, differs greatly with the formation rock crack, and its function is comparatively single, and test data is inaccurate, is difficult to reach the requirement through the test direction site operation.
Summary of the invention
the utility model provides a kind of pressure-bearing leak stopping tester, has overcome the deficiency of above-mentioned prior art, and it can effectively solve loss circulation material experiment instrument function singleness, the inaccurate problem of test data.
The technical scheme of
the utility model realizes through following measure: a kind of pressure-bearing leak stopping tester comprises pressure-bearing device, results of fracture simulation device, buffering drainage system and retracting device; Pressure-bearing device, results of fracture simulation device, buffering drainage system and retracting device are fixedly connected sequentially together and communicate.
Be to the further optimization of above-mentioned utility model technical scheme below or/and improve:
above-mentioned results of fracture simulation device can comprise pressure-bearing urceolus, plastic sleeve, oil pressure gauge, hydraulic power source joint and switch valve; The internal fixation of pressure-bearing urceolus is equipped with plastic sleeve, is installed with oil pressure gauge and the hydraulic power source joint that communicates with plastic sleeve inside in the pressure-bearing urceolus outside, is installed with switch valve on the hydraulic power source joint; The right-hand member of pressure-bearing device is fixedly mounted on the left part inboard of pressure-bearing urceolus and communicates with plastic sleeve inside; The left end of buffering drainage system is fixedly mounted on the right part inboard of pressure-bearing urceolus and communicates with plastic sleeve inside.
above-mentioned pressure-bearing device can comprise base, support, pressure-bearing tube, efferent duct, valve, ventilation valve rod and seal cover; Upper end at base is installed with support, and the upper end of support is fixedly connected with the pressure-bearing tube, is installed with efferent duct on the right side, bottom of pressure-bearing tube and communicates with pressure-bearing tube inside, on efferent duct, is installed with the valve that it is switched on or switched off; Upper end at the pressure-bearing tube is installed with seal cover, on seal cover, is installed with the ventilation valve rod that communicates with pressure-bearing tube inside; The right-hand member of efferent duct is fixedly connected on the left part inboard of pressure-bearing urceolus and communicates with plastic sleeve inside.
above-mentioned retracting device can be funnel-form; There is following installation head lower end at the buffering drainage system, installation head on the retracting device upper end has, and following installation head is fixedly installed togather and communicates with last installation head; Lower end at retracting device is installed with switch valve.
the utility model reasonable and compact in structure, easy to use; It both can simulate the fracturing process of rock core, can flow out the volumetric change situation judgement plugging effect of leak stopping slurry again through retracting device, the function of use variation; Simultaneously the results of fracture simulation device makes the fracturing process of rock core more approach the down-hole situation, and the data that make test are true and accurate more.
Description of drawings
accompanying drawing 1 is the main TV structure sketch map of the utility model most preferred embodiment.
Coding in
accompanying drawing is respectively: 1 is the buffering drainage system, and 2 is retracting device, and 3 is the pressure-bearing urceolus, and 4 is plastic sleeve, and 5 is the crack support member; 6 is oil pressure gauge, and 7 is the hydraulic power source joint, and 8 is switch valve, and 9 is base; 10 is support, and 11 is the pressure-bearing tube, and 12 is efferent duct, and 13 is valve; 14 are the ventilation valve rod, and 15 is seal cover, and 16 are following installation head, and 17 is last installation head.
The specific embodiment
the utility model does not receive the restriction of following embodiment, can confirm concrete embodiment according to the technical scheme and the actual conditions of the utility model.
are in the utility model; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description 1, as: the position relation of upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
shown in accompanying drawing 1, this pressure-bearing leak stopping tester comprises pressure-bearing device, results of fracture simulation device, buffering drainage system 1 and retracting device 2; Pressure-bearing device, results of fracture simulation device, buffering drainage system 1 and retracting device 2 are fixedly connected sequentially together and communicate.Buffering drainage system 1 is existing technique known equipment with retracting device 2; Through the results of fracture simulation device rock core cushion block being simulated pressurization makes it produce the crack; Through pressure-bearing device the results of fracture simulation device is carried leak stopping slurry and pressurization afterwards; Leak stopping is carried out in leak stopping slurry crack to the rock core cushion block in the results of fracture simulation device; The remaining leak stopping slurry of leak stopping gets into retracting device 2 through buffering drainage system 1, judges plugging effect through the volumetric change situation that retracting device 2 is flowed out the leak stopping slurry; Like this, make crack that the rock core cushion block produces more near situation under the real well, make test data more accurate through the results of fracture simulation device.
Can according to actual needs above-mentioned pressure-bearing leak stopping tester be done further to optimize or/and improve:
shown in accompanying drawing 1, the results of fracture simulation device comprises pressure-bearing urceolus 3, plastic sleeve 4, oil pressure gauge 6, hydraulic power source joint 7 and switch valve 8; The internal fixation of pressure-bearing urceolus 3 is equipped with plastic sleeve 4, is installed with the oil pressure gauge 6 and hydraulic power source joint 7 that communicate with plastic sleeve 4 inside in pressure-bearing urceolus 3 outsides, is installed with switch valve 8 on the hydraulic power source joint 7; The right-hand member of pressure-bearing device is fixedly mounted on the left part inboard of pressure-bearing urceolus 3 and communicates with plastic sleeve 4 inside; The left end of buffering drainage system 1 is fixedly mounted on the right part inboard of pressure-bearing urceolus 3 and communicates with plastic sleeve 4 inside.
shown in accompanying drawing 1, pressure-bearing device comprises base 9, support 10, pressure-bearing tube 11, efferent duct 12, valve 13, ventilation valve rod 14 and seal cover 15; Be installed with support 10 in the upper end of base 9; The upper end of support 10 is fixedly connected with pressure-bearing tube 11; Be installed with efferent duct 12 on the right side, bottom of pressure-bearing tube 11 and communicate, on efferent duct 12, be installed with and make its valve that is switched on or switched off 13 with pressure-bearing tube 11 inside; Be installed with seal cover 15 in the upper end of pressure-bearing tube 11, on seal cover 15, be installed with the ventilation valve rod 14 that communicates with pressure-bearing tube 11 inside; The right-hand member of efferent duct 12 is fixedly connected on the left part inboard of pressure-bearing urceolus 3 and communicates with plastic sleeve 4 inside.
shown in accompanying drawing 1, retracting device 2 is funnel-form; There is following installation head 16 lower end at buffering drainage system 1, installation head 17 on retracting device 2 upper ends have, and following installation head 16 is fixedly installed togather and communicates with last installation head 17; Be installed with switch valve 8 in the lower end of retracting device 2.Funnelform retracting device 2 can prevent splash, controls the current intelligence of leak stopping slurry through the switch valve 8 of regulating retracting device 2 lower ends.
above technical characterictic has constituted the most preferred embodiment of the utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of the utility model most preferred embodiment:
1, after at first the rock core cushion block designs on request, itself and crack support member 5 are made up, put into plastic sleeve 4 again, being fixed with connector is connected in the pressure-bearing urceolus 3, through seal the two ends of pressure-bearing urceolus 3 is sealed again; Hydraulic power source joint 7 external hydraulic oil pressure power apparatus inject hydraulic oil to certain pressure in plastic sleeve 4, make the rock core cushion block produce the crack, close the switch valve 8 on the hydraulic power source joint 7 then, accomplish the results of fracture simulation process;
2, valve-off 13 are poured the leak stopping slurry that configures in the pressure-bearing tube 11 into, are in the tight capping 15 of aeration status lower cover at ventilation valve rod 14; Take off the seal at pressure-bearing urceolus 3 two ends then, connect results of fracture simulation device, buffering drainage system 1 and retracting device 2 in order successively; Through inserting the high-pressure air source of certain pressure; Make in 14 pairs of pressure-bearing tubes 11 of ventilation valve rod and pressurize; Open valve 13; The leak stopping slurry gets in the plastic sleeve 4 the rock core cushion block is carried out shutoff, and the remaining leak stopping slurry of shutoff gets into retracting device 2 through the buffering drainage system, judges plugging effect through the volumetric change situation that flows out the leak stopping slurry in the retracting device 2 again; If the leak stopping slurry pours under pressure, the leak stopping failure is described; No longer increase if flow out the volume of leak stopping slurry in a period of time, the leak stopping success is described, can progressively improve the pressure in the pressure-bearing tube 11, the highest pressure-bearing value of test leak stopping slurry; Thereby draw the ability of the pressure-bearing leak stopping of leak stopping slurry.
Claims (5)
1. a pressure-bearing leak stopping tester is characterized in that comprising pressure-bearing device, results of fracture simulation device, buffering drainage system and retracting device; Pressure-bearing device, results of fracture simulation device, buffering drainage system and retracting device are fixedly connected sequentially together and communicate.
2. pressure-bearing leak stopping tester according to claim 1 is characterized in that the results of fracture simulation device comprises pressure-bearing urceolus, plastic sleeve, oil pressure gauge, hydraulic power source joint and switch valve; The internal fixation of pressure-bearing urceolus is equipped with plastic sleeve, is installed with oil pressure gauge and the hydraulic power source joint that communicates with plastic sleeve inside in the pressure-bearing urceolus outside, is installed with switch valve on the hydraulic power source joint; The right-hand member of pressure-bearing device is fixedly mounted on the left part inboard of pressure-bearing urceolus and communicates with plastic sleeve inside; The left end of buffering drainage system is fixedly mounted on the right part inboard of pressure-bearing urceolus and communicates with plastic sleeve inside.
3. pressure-bearing leak stopping tester according to claim 1 and 2 is characterized in that pressure-bearing device comprises base, support, pressure-bearing tube, efferent duct, valve, ventilation valve rod and seal cover; Upper end at base is installed with support, and the upper end of support is fixedly connected with the pressure-bearing tube, is installed with efferent duct on the right side, bottom of pressure-bearing tube and communicates with pressure-bearing tube inside, on efferent duct, is installed with the valve that it is switched on or switched off; Upper end at the pressure-bearing tube is installed with seal cover, on seal cover, is installed with the ventilation valve rod that communicates with pressure-bearing tube inside; The right-hand member of efferent duct is fixedly connected on the left part inboard of pressure-bearing urceolus and communicates with plastic sleeve inside.
4. pressure-bearing leak stopping tester according to claim 1 and 2 is characterized in that retracting device is funnel-form; There is following installation head lower end at the buffering drainage system, installation head on the retracting device upper end has, and following installation head is fixedly installed togather and communicates with last installation head; Lower end at retracting device is installed with switch valve.
5. pressure-bearing leak stopping tester according to claim 3 is characterized in that retracting device is funnel-form; There is following installation head lower end at the buffering drainage system, installation head on the retracting device upper end has, and following installation head is fixedly installed togather and communicates with last installation head; Lower end at retracting device is installed with switch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120388238 CN202228069U (en) | 2011-10-13 | 2011-10-13 | Pressure bearing and leakage blocking tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120388238 CN202228069U (en) | 2011-10-13 | 2011-10-13 | Pressure bearing and leakage blocking tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228069U true CN202228069U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120388238 Expired - Fee Related CN202228069U (en) | 2011-10-13 | 2011-10-13 | Pressure bearing and leakage blocking tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228069U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400677A (en) * | 2011-10-13 | 2012-04-04 | 中国石油集团西部钻探工程有限公司 | Tester for bearing plugging |
| CN103510944A (en) * | 2012-06-28 | 2014-01-15 | 中国石油化工股份有限公司 | High-temperature and high-pressure plugging / sticking preventing simulation evaluation device and method |
| CN104453867A (en) * | 2013-09-18 | 2015-03-25 | 中国海洋石油总公司 | Drilling fluid dynamic coal seam borehole wall plugging tester |
| CN105735968A (en) * | 2016-02-20 | 2016-07-06 | 西南石油大学 | Leakage plugging effect evaluation method for permeable leakage |
| CN109001438A (en) * | 2017-06-06 | 2018-12-14 | 中国石油化工股份有限公司 | A kind of joint seal gas shutoff experimental simulation device and test method |
-
2011
- 2011-10-13 CN CN 201120388238 patent/CN202228069U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400677A (en) * | 2011-10-13 | 2012-04-04 | 中国石油集团西部钻探工程有限公司 | Tester for bearing plugging |
| CN103510944A (en) * | 2012-06-28 | 2014-01-15 | 中国石油化工股份有限公司 | High-temperature and high-pressure plugging / sticking preventing simulation evaluation device and method |
| CN103510944B (en) * | 2012-06-28 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of High Temperature High Pressure closure/prevent telling simulating-estimating device and its evaluation methodology |
| CN104453867A (en) * | 2013-09-18 | 2015-03-25 | 中国海洋石油总公司 | Drilling fluid dynamic coal seam borehole wall plugging tester |
| CN105735968A (en) * | 2016-02-20 | 2016-07-06 | 西南石油大学 | Leakage plugging effect evaluation method for permeable leakage |
| CN109001438A (en) * | 2017-06-06 | 2018-12-14 | 中国石油化工股份有限公司 | A kind of joint seal gas shutoff experimental simulation device and test method |
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| 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: 20120523 Termination date: 20161013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |