CN203101363U - Experimental device for simulating annulus plugging agent plugging repair of casing damage well - Google Patents
Experimental device for simulating annulus plugging agent plugging repair of casing damage well Download PDFInfo
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- CN203101363U CN203101363U CN 201320081782 CN201320081782U CN203101363U CN 203101363 U CN203101363 U CN 203101363U CN 201320081782 CN201320081782 CN 201320081782 CN 201320081782 U CN201320081782 U CN 201320081782U CN 203101363 U CN203101363 U CN 203101363U
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- 230000008439 repair process Effects 0.000 title description 2
- 238000002474 experimental method Methods 0.000 claims abstract description 96
- 239000002981 blocking agent Substances 0.000 claims abstract description 67
- 238000002347 injection Methods 0.000 claims abstract description 34
- 239000007924 injection Substances 0.000 claims abstract description 34
- 239000011435 rock Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 229910000754 Wrought iron Inorganic materials 0.000 claims description 33
- 239000004568 cement Substances 0.000 claims description 25
- 230000007423 decrease Effects 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 239000003795 chemical substances by application Substances 0.000 abstract 3
- 238000009434 installation Methods 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 239000008398 formation water Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000014121 butter Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- -1 and volume is 1000ml Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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Abstract
The utility model provides a prosthetic experimental apparatus of simulation casing damage well annular blocking agent leaking stoppage, including the injection pump, with injection pump line connection be used for splendid attire experiment water middle container, experiment module, with middle container line connection is used for the installation the rock core holder of experiment module and with rock core holder line connection is used for giving the annular pressure pump of rock core holder applied pressure. The utility model provides a pair of prosthetic experimental apparatus of simulation casing damage well annular plugging agent leaking stoppage, simple structure, convenient operation, reliable operation can truly reflect the prosthetic shutoff effect of casing damage well annular plugging agent leaking stoppage, can effectively guide on-the-spot casing damage well plugging agent leaking stoppage construction.
Description
Technical field
The utility model relates to the experimental provision in oil field scientific research and the quality inspection field, the particularly a kind of experimental provision that can simulate casing damaged well annular space blocking agent leak stopping reparation.
Background technology
Between the sleeve pipe and sleeve pipe of casing damaged well, between sleeve pipe and the stratum, between sleeve pipe and the cement mantle, all have an annular space or interface between stratum and the cement mantle, owing to cement failure and cover damage reason, the stratum is communicated with pit shaft by above annular space or interface, resident fluid flows in the well, cause well water sharply to rise, output descends rapidly, even stops production.Need overlap the damage plugging operations this moment, adopts usually and clamp-on blocking agent to above annular space or interface, and the shutoff resident fluid flows into the passage of pit shaft.For guaranteeing casing damaged well plugging operations success ratio, before the plugging operations, be necessary to carry out the plugging effect evaluation of lost circulation additive laboratory.
The blocking agent leak stopping repairing test device in this field of former studies all carry out in reference GB/T19139-2003 oil well cement experimental technique by " compressive strength determination method ", and this experimental provision and experimental technique, can not simulate the true annular space state of casing damaged well, the intensity that can only measure the body firming body of blocking agent is compressive strength, and in fact there is different types of interface problem between the annular space, promptly there is the interface between sleeve pipe and the cement, interface between cement and the stratum, this class device can only be measured the body intensity of blocking agent firming body, and can not measure the interface plugging strength between each interface.Therefore, traditional test unit can't truly reflect the leak stopping repairing effect of casing damaged well annular space reality.
The utility model content
Technical problem to be solved in the utility model provides a kind of experimental provision that the leak stopping of casing damaged well annular space blocking agent is repaired of simulating, solve the normal experiment device and can only measure the body intensity of single blocking agent firming body, and can not simulate the problem of each annular space interface blocking agent plugging strength and body intensity.
For solving the problems of the technologies described above, the utility model provides a kind of experimental provision that the leak stopping of casing damaged well annular space blocking agent is repaired of simulating, and comprises injection pump, is connected with described injection pump pipeline and is used for splendid attire and tests the intermediate receptacle of water, experiment module, be connected the core holding unit that is used to install described experiment module with described intermediate receptacle pipeline, reach to be connected with described core holding unit pipeline and be used for the ring press pump of exerting pressure to described core holding unit.
Further, described experiment module comprises three kinds: be used for simulating first experiment module that the free section of casing damaged well multilayer sleeve cover decreases the leak stopping situation, be used for simulating the free section of a casing damaged well individual layer casing pipe sleeve and decrease leak stopping situation second experiment module and be used for simulating casing damaged well interval isolation cover and decrease envelope and scurry leak stopping situation the 3rd experiment module.
Further, described first experiment module comprises first steel pipe, is arranged on the blocking agent ring in described first steel pipe and is arranged on the interior rod iron of described blocking agent ring that described rod iron is divided into first rod iron, second rod iron and the 3rd rod iron.
Further, described second experiment module comprises the rock core ring, is arranged on the blocking agent ring in the described rock core ring and is arranged on the 4th interior rod iron of described blocking agent ring.
Further, described the 3rd experiment module comprises cement mantle, is arranged on the interior blocking agent ring of described cement mantle, is arranged on perforation steel pipe and the interior blocking agent core of described perforation steel pipe in the described blocking agent ring.
Further, described perforation steel pipe lower end is provided with porose.
A kind of experimental provision of simulating casing damaged well annular space blocking agent leak stopping reparation that the utility model provides, by injection pump, intermediate receptacle, core holding unit, be arranged on experiment module in the core holding unit, and form simple in structure, easy to operate, reliable operation to the devices such as ring press pump that core holding unit is exerted pressure; Used tentative module comprises first experiment module that is used for simulating the free section of casing damaged well multilayer sleeve cover and decreases the leak stopping situation, be used for simulating the free section of a casing damaged well individual layer casing pipe sleeve decreases leak stopping situation second experiment module and is used for simulating casing damaged well interval isolation cover and decrease envelope and scurry leak stopping situation the 3rd experiment module, the plugging effect that the annular space blocking agent leak stopping under the different situations of casing damaged well is repaired can be reflected, on-the-spot casing damaged well blocking agent blocking construction can be effectively instructed; On-the-spot blocking construction posteriority test leakage examination shows that blocking agent plugging strength effect is consistent with indoor evaluation result basically, and likelihood is more than 95%.
Description of drawings
The experimental provision schematic flow sheet that Fig. 1 repairs for the simulation casing damaged well annular space blocking agent leak stopping that the utility model embodiment provides.
The vertical view of the experiment module A of the experimental provision that the simulation casing damaged well annular space blocking agent leak stopping that Fig. 2 provides for the utility model embodiment is repaired.
The vertical view of the experiment module B of the experimental provision that the simulation casing damaged well annular space blocking agent leak stopping that Fig. 3 provides for the utility model embodiment is repaired.
The longitudinal sectional drawing of the experiment module C of the experimental provision that the simulation casing damaged well annular space blocking agent leak stopping that Fig. 4 provides for the utility model embodiment is repaired.
The vertical view of the experiment module C of the experimental provision that the simulation casing damaged well annular space blocking agent leak stopping that Fig. 5 provides for the utility model embodiment is repaired.
Embodiment
Referring to Fig. 1, a kind of experimental provision of simulating casing damaged well annular space blocking agent leak stopping reparation that the utility model embodiment provides, comprise injection pump 1, intermediate receptacle 5, core holding unit 8, experiment module 7 and ring press pump 12, be provided with a filtrate measuring cup 9 that is used for the liquid that splendid attire core holding unit 8 oozes below the core holding unit 8.Injection pump 1 provides the power of 0-40Mpa for intermediate receptacle 5, and rated operating pressure is 40MPa; Intermediate receptacle 5 is as splendid attire local water or simulated formation water, and volume is 1000ml, and stainless steel is more than the withstand voltage 40MPa; Core holding unit 8 is as installing experiment module 7, and internal diameter is 101mm; Ring press pump 12 applies an annular pressure that is higher than malleation for core holding unit 8, and rated operating pressure is 60MPa; Injection pump 1, intermediate receptacle 5, use the high pressure line 3 of Φ 4mm to connect between core holding unit 8 and the ring press pump 12 successively, between injection pump 1 and the intermediate receptacle 5, between intermediate receptacle 5 and the core holding unit 8, be separately installed with high pressure valve 2 on the high pressure line 3 between core holding unit 8 and the ring press pump 12, high pressure valve 6, high pressure valve 10, wherein be connected to tensimeter 4 and the tensimeter 11 that pressure can reach 60MPa respectively, injection pump 1 on intermediate receptacle 5 and the ring press pump 12, intermediate receptacle 5, each connector of high pressure line 3 between core holding unit 8 and the ring press pump 12 all has supporting built-in rigidity conical ring O-ring seal to be connected with high pressure line 3.
Referring to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, placing the experiment module 7 of core holding unit 8 is a right cylinder, diameter and highly be 100mm, experiment module 7 comprises three kinds: be used for simulating first experiment module that the free section of casing damaged well multilayer sleeve cover decreases the leak stopping situation, be used for simulating the free section of a casing damaged well individual layer casing pipe sleeve and decrease leak stopping situation second experiment module and be used for simulating casing damaged well interval isolation cover and decrease envelope and scurry leak stopping situation the 3rd experiment module.First experiment module comprises first steel pipe 711, be arranged on the blocking agent ring 731 in first steel pipe 711 and be arranged on rod iron in the blocking agent ring 731, and wherein rod iron is divided into first rod iron 721, second rod iron 722 and the 3rd rod iron 723; First tentative module has three kinds thus: first experiment module 1, first experiment module 2 and first experiment module 3.First experiment module 1 is followed successively by first steel pipe 711, blocking agent ring 731 and first rod iron 721 from outside to inside; First experiment module 2 is followed successively by first steel pipe 711, blocking agent ring 731 and second rod iron 722 from outside to inside; The 3rd experiment module 3 is followed successively by first steel pipe 711, blocking agent ring 731 and the 3rd rod iron 723 from outside to inside.。Second experiment module comprises rock core ring 741, be arranged on the blocking agent ring 731 in the rock core ring 741 and be arranged on the 4th rod iron 724 in the blocking agent ring 731.The 3rd experiment module comprises cement mantle 751, be arranged on blocking agent ring 731 in the cement mantle 751, be arranged on perforation steel pipe 713 in the blocking agent ring 731 and the blocking agent core 732 in the perforation steel pipe 713.
Embodiment 1
Be used to simulate the free section of casing damaged well multilayer sleeve cover and decrease the experiment that leak stopping is repaired, because condition restriction, this simulated experiment only uses two kinds of steel body mediums to carry out blocking agent leak stopping reparation experiment.
(1) grinding tool is made
1. first steel pipe 711: external diameter 100mm, internal diameter 90mm, length 100mm; First rod iron 721: external diameter 60mm, length 100mm; Second rod iron 722: external diameter 40mm, length 100mm; The 3rd rod iron 723: external diameter 20mm, length 100mm.
2. stifled slurry: be mixed with solution by normal water cement ratio and obtain stifled slurry.
3. the end with first steel pipe 711 seals with the heatproof plastic paper, pour stifled slurry into, get first rod iron, 721 placed in the middle insertions in the stifled slurry, seal whole module with the heatproof plastic paper again, under the experimental temperature and pressure of simulation casing damaged well, under the reservoir water salinity condition, maintenance 72h becomes mould in supercharging maintenance still, makes first experiment module 1.In like manner, get first steel pipe 711 and second rod iron 722, first steel pipe 711 and the 3rd rod iron 723 respectively, make two kind of first other experiment module respectively: first experiment module 2 and first experiment module 3.First experiment module 1 is followed successively by first steel pipe 711, blocking agent ring 731 and first rod iron 721 from outside to inside; First experiment module 2 is followed successively by first steel pipe 711, blocking agent ring 731 and second rod iron 722 from outside to inside; The 3rd experiment module 3 is followed successively by first steel pipe 711, blocking agent ring 731 and the 3rd rod iron 723 from outside to inside.As shown in Figure 2.
(2) measure
By shown in Figure 1, high pressure line 3 with Φ 4mm couples together injection pump 1, intermediate receptacle 5, core holding unit 8, ring press pump 12, high pressure valve 2, high pressure valve 6, high pressure valve 10 are adorned in injection pump 1 outlet, intermediate receptacle 5 outlets, 12 outlets of ring press pump respectively, on intermediate receptacle 5, the ring press pump 12 precision pressure gauge 4, precision pressure gauge 11 are installed respectively.After experimental provision connects, open each switch and pressure testing, wherein ring is pressed pressure testing 60MPa, other pressure testings 40MPa; Open the power supply of injection pump 1, carry out preheating; Fill the simulated formation water that to do experiment in the intermediate receptacle 5; Get a kind of in three kind of first experiment module, put into rock core clamping 8, last lower end cap connects; Start ring press pump 12, add ring for first experiment module and press 60MPa; Selecting the discharge capacity of injection pump 8 is 8ml/min, opens each valve, and first experiment module is exerted pressure; Whether keep a close eye on core holding unit 8 outlets, observing has liquid to ooze, when first drop of liquid oozes, and the pressure of record injection pump 1, this pressure is the plugging strength of blocking agent.When injection pump 1 pressure 〉=40MPa, also there is not liquid to ooze, then plugging strength 〉=the 40MPa of blocking agent.Experiment is laid down the pressure of injection pump 1 earlier after finishing, and then lays down ring press pump 12 pressure; Take out first experiment module, close high pressure valve, clean each parts and playback; Powered-down; Experiment finishes.According to above-mentioned experimental technique, get other two kind of first experiment module more respectively and carry out blocking agent leak stopping reparation experiment then.
Embodiment 2
Be used to simulate the free section of casing damaged well individual layer casing pipe sleeve and decrease the experiment that leak stopping is repaired, this experiment can only simulated formation and steel body medium blocking agent leak stopping reparation experiment.
(1) grinding tool is made
1. second steel pipe: external diameter 110mm, internal diameter 100mm, length 100mm; The 4th rod iron 724: external diameter 16mm, length 100mm.
2. the G class g cement is joined slurry: require to join slurry according to GB10238-1998 and make stifled slurry, water cement ratio 0.44.
3. at shop, core holding unit 8 bottoms one deck hospital gauze, after coating butter, puts into the inwall of second steel pipe core holding unit 8, in second steel pipe, fill 20 order silica sands, under the high pressure grout is injected in the silica sand, take out, under the experimental temperature and pressure of simulation casing damaged well, under the reservoir water salinity condition, maintenance 72h becomes mould in supercharging maintenance still, makes the rock core module.
4. removal of core module, the demoulding drills through 60mm rock core post with coring bit in rock core module centers position, obtains rock core ring 741.
5. rock core ring 741 1 ends are sealed with the heatproof plastic paper, pour stifled slurry into, get the 4th rod iron 724 placed in the middle insertions in the stifled slurry, seal whole module with the heatproof plastic paper again, under simulation casing damaged well experimental temperature and pressure, under the reservoir water salinity condition, maintenance 72h becomes mould in supercharging maintenance still, makes second experiment module.Second experiment module is followed successively by rock core ring 741, blocking agent ring 731 and the 4th rod iron 724 from outside to inside, as shown in Figure 3.
(2) test
By shown in Figure 1, high pressure line 3 with Φ 4mm couples together injection pump 1, intermediate receptacle 5, core holding unit 8, ring press pump 12, high pressure valve 2, high pressure valve 6, high pressure valve 10 are adorned in injection pump 1 outlet, intermediate receptacle 5 outlets, 12 outlets of ring press pump respectively, on intermediate receptacle 5, the ring press pump 12 precision pressure gauge 4, precision pressure gauge 11 are installed respectively.After experimental provision connects, open each switch and pressure testing, wherein ring is pressed pressure testing 60MPa, other pressure testings 40MPa; Open the power supply of injection pump 1, carry out preheating; Fill the simulated formation water that to do experiment in the intermediate receptacle 5; Get second experiment module, put into rock core clamping 8, last lower end cap connects; Start ring press pump 12, add ring for second experiment module and press 60MPa; Selecting the discharge capacity of injection pump 8 is 8ml/min, opens each valve, and second experiment module is exerted pressure; Whether keep a close eye on core holding unit 8 outlets, observing has liquid to ooze, when first drop of liquid oozes, and the pressure of record injection pump 1, this pressure is the plugging strength of blocking agent.When injection pump 1 pressure 〉=40MPa, also there is not liquid to ooze, then plugging strength 〉=the 40MPa of blocking agent.Experiment is laid down the pressure of injection pump 1 earlier after finishing, and then lays down ring press pump 12 pressure; Take out second experiment module, close high pressure valve, clean each parts and playback; Powered-down; Experiment finishes.
Embodiment 3
Be used to simulate casing damaged well interval isolation cover damage envelope and scurry leak stopping reparation experiment, this experiment can only be simulated cement mantle, steel body medium blocking agent envelope is scurried leak stopping reparation experiment.
(1) grinding tool is made
1. second steel pipe: external diameter 110mm, internal diameter 100mm, length 100mm; Perforation steel pipe 713: external diameter 16mm, internal diameter 10mm, length 100mm, 16 in the hole of the comprehensive distribution diameter 4mm of an end (4 holes/10mm).
2. the G class g cement is joined slurry: require to join slurry according to GB10238-1998 and make stifled slurry, water cement ratio 0.44.
3. coat butter at the second steel pipe inwall, stifled slurry is poured in end heatproof plastic paper sealing into, seal whole module with the heatproof plastic paper again, under simulation casing damaged well experimental temperature and pressure, under the reservoir water salinity condition, maintenance 72h becomes mould in supercharging maintenance still, makes the cement module.
4. take out the cement module, the demoulding drills through 60mm rock core post with coring bit in cement module centers position, obtains cement mantle 751.
5. at core holding unit 8 bottoms shop one deck hospital gauze and 20 purpose silica sands, cement mantle 751 is placed in the core holding unit 8, again perforation steel pipe 713 is put into cement mantle between two parties, utilizing pipeline will block up slurry injects by perforation steel pipe 713, stifled slurry enters and returns to TOC from the eyelet of perforation steel pipe 713, carefully takes out entire die, under simulation casing damaged well experimental temperature and pressure, under the reservoir water salinity condition, maintenance 72h becomes mould in supercharging maintenance still.
6. will become the module of mould to take out, open blocking agent in the perforation steel pipe 713 perforated ends, and get into and expose eyelet and get final product, make the 3rd experiment module with bit drills.The 3rd experiment module is followed successively by cement mantle 751, blocking agent ring 731, perforation steel pipe 713 and blocking agent core 732 from outside to inside, as shown in Figure 4 and Figure 5.
(2) measure
By shown in Figure 1, high pressure line 3 with Φ 4mm couples together injection pump 1, intermediate receptacle 5, core holding unit 8, ring press pump 12, high pressure valve 2, high pressure valve 6, high pressure valve 10 are adorned in injection pump 1 outlet, intermediate receptacle 5 outlets, 12 outlets of ring press pump respectively, on intermediate receptacle 5, the ring press pump 12 precision pressure gauge 4, precision pressure gauge 11 are installed respectively.After experimental provision connects, open each switch and pressure testing, wherein ring is pressed pressure testing 60MPa, other pressure testings 40MPa; Open the power supply of injection pump 1, carry out preheating; Fill the simulated formation water that to do experiment in the intermediate receptacle 5; Get the 3rd experiment module and put into rock core clamping 8, last lower end cap connects; Start ring press pump 12, add ring for the 3rd experiment module and press 60MPa; Selecting the discharge capacity of injection pump 8 is 8ml/min, opens each valve, and the 3rd experiment module is exerted pressure; Whether keep a close eye on core holding unit 8 outlets, observing has liquid to ooze, when first drop of liquid oozes, and the pressure of record injection pump 1, this pressure is the plugging strength of blocking agent.When injection pump 1 pressure 〉=40MPa, also there is not liquid to ooze, then plugging strength 〉=the 40MPa of blocking agent.Experiment is laid down the pressure of injection pump 1 earlier after finishing, and then lays down ring press pump 12 pressure; Take out the 3rd experiment module, close high pressure valve, clean each parts and playback; Powered-down; Experiment finishes.
A kind of experimental provision of simulating casing damaged well annular space blocking agent leak stopping reparation that the utility model provides, by injection pump, intermediate receptacle, core holding unit, be arranged on experiment module in the core holding unit, and form simple in structure, easy to operate, reliable operation to the devices such as ring press pump that core holding unit is exerted pressure; Used tentative module comprises first experiment module that is used for simulating the free section of casing damaged well multilayer sleeve cover and decreases the leak stopping situation, be used for simulating the free section of a casing damaged well individual layer casing pipe sleeve decreases leak stopping situation second experiment module and is used for simulating casing damaged well interval isolation cover and decrease envelope and scurry leak stopping situation the 3rd experiment module, the plugging effect that the annular space blocking agent leak stopping under the different situations of casing damaged well is repaired can be reflected, on-the-spot casing damaged well blocking agent blocking construction can be effectively instructed; On-the-spot blocking construction posteriority test leakage examination shows that blocking agent plugging strength effect is consistent with indoor evaluation result basically, and likelihood is more than 95%.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. simulate the experimental provision that the leak stopping of casing damaged well annular space blocking agent is repaired for one kind, it is characterized in that: comprise injection pump, be connected with described injection pump pipeline and be used for splendid attire and test the intermediate receptacle of water, experiment module, be connected the core holding unit that is used to install described experiment module with described intermediate receptacle pipeline, reach to be connected and be used for the ring press pump of exerting pressure to described core holding unit with described core holding unit pipeline.
2. experimental provision according to claim 1, it is characterized in that described experiment module comprises three kinds: be used for simulating first experiment module that the free section of casing damaged well multilayer sleeve cover decreases the leak stopping situation, be used for simulating the free section of a casing damaged well individual layer casing pipe sleeve and decrease leak stopping situation second experiment module and be used for simulating casing damaged well interval isolation cover and decrease envelope and scurry leak stopping situation the 3rd experiment module.
3. experimental provision according to claim 2, it is characterized in that: described first experiment module comprises first steel pipe, is arranged on the blocking agent ring in described first steel pipe and is arranged on the interior rod iron of described blocking agent ring that described rod iron is first rod iron, second rod iron or the 3rd rod iron.
4. experimental provision according to claim 2 is characterized in that: described second experiment module comprises the rock core ring, is arranged on the blocking agent ring in the described rock core ring and is arranged on the 4th interior rod iron of described blocking agent ring.
5. experimental provision according to claim 2 is characterized in that: described the 3rd experiment module comprises cement mantle, is arranged on the interior blocking agent ring of described cement mantle, is arranged on perforation steel pipe and the interior blocking agent core of described perforation steel pipe in the described blocking agent ring.
6. experimental provision according to claim 5 is characterized in that: described perforation steel pipe lower end is provided with porose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320081782 CN203101363U (en) | 2013-02-22 | 2013-02-22 | Experimental device for simulating annulus plugging agent plugging repair of casing damage well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320081782 CN203101363U (en) | 2013-02-22 | 2013-02-22 | Experimental device for simulating annulus plugging agent plugging repair of casing damage well |
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| Publication Number | Publication Date |
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| CN203101363U true CN203101363U (en) | 2013-07-31 |
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| CN 201320081782 Expired - Fee Related CN203101363U (en) | 2013-02-22 | 2013-02-22 | Experimental device for simulating annulus plugging agent plugging repair of casing damage well |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572030A (en) * | 2015-12-14 | 2016-05-11 | 中国石油天然气股份有限公司 | Experimental device and method for detecting plugging strength of channeling sealing agent |
| CN107102099A (en) * | 2017-01-11 | 2017-08-29 | 西南石油大学 | With brill leak-proof leak-stopping experimental rig and method |
| CN109653729A (en) * | 2018-12-14 | 2019-04-19 | 中海石油(中国)有限公司 | A kind of wellbore assembly tiny leakage circulation seal analoging detecting device and method |
| CN109681164A (en) * | 2018-07-30 | 2019-04-26 | 东北石油大学 | A kind of device of simulation set damage process |
| CN111426497A (en) * | 2020-04-05 | 2020-07-17 | 新疆正通石油天然气股份有限公司 | Casing buckling evaluation method in inclined shaft well cementation process |
-
2013
- 2013-02-22 CN CN 201320081782 patent/CN203101363U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572030A (en) * | 2015-12-14 | 2016-05-11 | 中国石油天然气股份有限公司 | Experimental device and method for detecting plugging strength of channeling sealing agent |
| CN107102099A (en) * | 2017-01-11 | 2017-08-29 | 西南石油大学 | With brill leak-proof leak-stopping experimental rig and method |
| CN109681164A (en) * | 2018-07-30 | 2019-04-26 | 东北石油大学 | A kind of device of simulation set damage process |
| CN109653729A (en) * | 2018-12-14 | 2019-04-19 | 中海石油(中国)有限公司 | A kind of wellbore assembly tiny leakage circulation seal analoging detecting device and method |
| CN111426497A (en) * | 2020-04-05 | 2020-07-17 | 新疆正通石油天然气股份有限公司 | Casing buckling evaluation method in inclined shaft well cementation process |
| CN111426497B (en) * | 2020-04-05 | 2021-04-30 | 新疆正通石油天然气股份有限公司 | Casing buckling evaluation method in inclined shaft well cementation process |
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