CN202256290U - Parallel rock plate clamp holder for acid-rock reaction - Google Patents
Parallel rock plate clamp holder for acid-rock reaction Download PDFInfo
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- CN202256290U CN202256290U CN2011202416850U CN201120241685U CN202256290U CN 202256290 U CN202256290 U CN 202256290U CN 2011202416850 U CN2011202416850 U CN 2011202416850U CN 201120241685 U CN201120241685 U CN 201120241685U CN 202256290 U CN202256290 U CN 202256290U
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- rock
- cylindrical shell
- fluororubber
- acid
- briquetting
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Abstract
The utility model discloses a parallel rock plate clamp holder for acid-rock reaction, and is applied to a fracture acidizing experiment under simulated formation temperature and pressure in an oilfield. A fluorous rubber sleeve is arranged in a barrel. Two rock plates are arranged in the fluorous rubber sleeve in an overlapping way. One rock plate end face fluorous rubber sheet is arranged at each of the two ends of the rock plate. One end cover is fixed at each of the two ends of the barrel by a bolt. The two ends of the fluorous rubber sleeve are fixed and sealed with the inner ends of the end covers. A pressure block is arranged in a center hole of the end cover, and has a liquid inlet or outlet hole. One crossover coupling is fixed at the outer end of each of the two end covers. A ring compression inlet joint is fixed on the wall of the barrel, and is communicated with an inner cavity of the barrel. The parallel rock plate clamp holder for the acid-rock reaction has the advantages that: two natural carbonate rock reservoirs or natural marble rock plates are used for simulating the flowing process of acid liquor in a man-made fracture under a field condition, so that a simulation experiment is simpler, higher in safety and more convenient to operate.
Description
Technical field
The utility model relates to industrial gas oil fracture acidizing experimental facilities technical field, particularly a kind of simulated formation temperature and pressure that is used for, and the test unit that acid solution flows and reacts in man-made fracture is that a kind of sour rock reacts parallel rock beam clamper.
Background technology
At present, in the oil and gas development process, most of oil gas wells all need increase production construction operation, particularly carbonate rock hydrocarbon reservoir before operation, and acidifying is main yield-increasing technique.Acidizing treatment is to adopt high-pressure pump fluid injection body to press off hydrocarbon formations; Pressing off pump notes acid solution under the formation condition; Acid is flowed in pressing off the crack and is reacted with the fracture faces rock, enlarges and the etching crack, forms effective acid-etched fracture; Favourable oil gas flows to pit shaft, to reach the purpose that improves oil and gas production.Can link up more how farther hydrocarbon zone in order to make acid solution; Acid-etched fracture is unlikely complete closure under the high pressure of stratum, acid can not be too fast with the rock reaction, can not be low excessively; Certain slow effect and effectively corrasion should be arranged; To reach the farther acid etching flow conductivity higher of acidifying coverage, need carry out the acidification technique simulation on ground, to instruct on-the-spot acidizing treatment with formation.
Existing core holding unit can not adapt to the acidification technique requirement.Current acidifying novel acid fluid system commonly used mainly contains become sticky acid, cleaning of temperature control and turns to acid and ground surface crosslinking acid, the wall building of each novel acid fluid system, falls filter and sour rock response feature still can't be judged accurately from construction.Though indoor evaluation means is more, it is limited still to exist too short, liquid properties of poor, sour rock reaction time of the undersized representativeness of rock core to estimate, and is restricting the accurate judgement to novel acid fluid system etching under formation condition.
The utility model content
The purpose of the utility model is: provide a kind of sour rock to react parallel rock beam clamper; For enough room and times are created in sour rock reaction; More near acidifying on-the-spot actual pressure, temperature, simulation, evaluation, analysis acidification technique instruct acidification technique more directly, targetedly; The check acid liquid performance is more accurately estimated acid solution.
The technical scheme that the utility model adopts is: sour rock reacts parallel rock beam clamper, comprises cylindrical shell, heat tracing layer, fluororubber cover, briquetting, end cap, X-over and rock beam end face fluororubber skin composition.Cylindrical shell is a round tube, on the outer wall of cylindrical shell, is enclosed with the heat tracing layer, it is characterized in that: a fluororubber cover is arranged in cylindrical shell, overlappingly in the fluororubber cover put into two blocks of rock beams, a rock beam end face fluororubber skin is arranged respectively at the two ends of rock beam; Adopt end cap of screw retention respectively at the two ends of cylindrical shell, the inner fixing and sealing of the two ends of fluororubber cover and end cap; End cap has center pit, and a briquetting is arranged respectively in the center pit of end cap, and briquetting has liquid to flow into or tap hole, and briquetting compresses rock beam end face fluororubber skin through the inner of bolt and briquetting; Outer end at two end caps is fixed with X-over respectively, and X-over has center pit, and the X-over center pit flows into the liquid of briquetting or tap hole is communicated with; On the wall of cylindrical shell, be fixed with a ring and be pressed into a mouthful joint, ring is pressed into mouthful joint and is communicated with cylinder lumen.
Described two blocks of rock beams, every rock beam length is 1020 ± 0.5mm, and width is 88 ± 0.5mm, and thickness is 16～20mm.
Sketch the installation process that sour rock reacts parallel rock beam clamper.Consult Fig. 1.Rock beam 8 is put into fluororubber cover 3, and rock beam end face fluororubber skin 7 is put at rock beam 8 two ends well, and the fluororubber cover 3 that will have rock beam 8 is put into cylindrical shell 1.Fix end cap 5 at the two ends of cylindrical shell 1, the two ends of fluororubber cover 3 respectively with end cap 5 inner fixations; In end cap 5 center pits, insert briquetting 4, briquetting 4 compresses the rock beam end face fluororubber skin 7 at rock beam 8 two ends.Fixing respectively X-over 6 in the outer end of two briquettings 4.Be pressed into mouthful joint 9 from ring and add the ring pressure, connect two ends X-over 6 and converge, just can carry out rock beam acid etching water conservancy diversion and test with the extraneous acid tube of annotating.
The beneficial effect of the utility model: the utility model acid rock reacts parallel rock beam clamper; Adopt two natural magnesium rock salt reservoirs or natural marble rock beam, be modeled to acid solution flow process in man-made fracture under the field condition, can apply formation closure pressure acid-etched fracture; Changed the technical barrier that needs huge hydraulic system when parallel rock beam hydropress loads clossing pressure; Make simulation test more succinct, security is higher, more convenient operation.Make under the formation condition etching more accurate, so that research and estimate acid solution and the acidification technique that is fit to reservoir.Can simulation reach 1m crack acidization.Overcome the deficiency that the high viscosity acid solution acid rock reaction time is too short, the liquid properties evaluation is limited.
Description of drawings
Fig. 1 is that the utility model acid rock reacts parallel rock beam clamper structural profile synoptic diagram.
Among the figure, the 1-cylindrical shell, 2-heat tracing layer, 3-fluororubber cover, the 4-briquetting, the 5-end cap, the 6-X-over, 7-rock beam end face fluororubber skin, the 8-rock beam, the 9-ring is pressed into a mouthful joint.
Embodiment
Embodiment 1: reacting parallel rock beam clamper with a sour rock is example, and the utility model is done further explain.
Consult Fig. 1.The utility model acid rock reacts parallel rock beam clamper, comprises cylindrical shell (1), heat tracing layer (2), fluororubber cover (3), briquetting (4), end cap (5), X-over (6) and rock beam end face fluororubber skin (7) composition.Cylindrical shell 1 is a round tube, cylindrical shell 1 internal diameter 120mm, length 1400mm.In cylindrical shell 1 both ends of the surface bolt hole is arranged.On the outer wall of cylindrical shell 1, be enclosed with heat tracing layer 2.Fluororubber cover 3 is arranged in cylindrical shell 1, overlappingly in the fluororubber cover 3 put into two blocks of rock beams 8, every rock beam 8 length are 1020 ± 0.5mm, and width is 88 ± 0.5mm, and thickness is 18mm.A rock beam end face fluororubber skin 7 is arranged respectively at the two ends of rock beam 8.Adopt end cap 5 of screw retention respectively at the two ends of cylindrical shell 1, the two ends of fluororubber cover 3 and end cap 5 inner fixing and sealings.End cap 5 has center pit, and a briquetting 4 is arranged respectively in the center pit of end cap 5, between end cap 5 and the briquetting 4 O-ring seal is arranged.The liquid that it is 5mm that briquetting 4 has a diameter flows into or tap hole, and briquetting 4 compresses rock beam end face fluororubber skin 7 through the inner of bolt and briquetting 4; Outer end at two end caps 5 is fixed with X-over 6 respectively, and X-over 6 has center pit, and X-over 6 center pits flow into the liquid of briquetting 4 or tap hole is communicated with.On the wall of cylindrical shell 1, be fixed with a ring and be pressed into mouthful joint 9, ring is pressed into mouthful joint 9 and is communicated with cylindrical shell 1 inner chamber.
Claims (2)
1. a sour rock reacts parallel rock beam clamper, comprises cylindrical shell (1), heat tracing layer (2), fluororubber cover (3), briquetting (4), end cap (5), X-over (6) and rock beam end face fluororubber skin (7) composition; Cylindrical shell (1) is a round tube; On the outer wall of cylindrical shell (1), be enclosed with heat tracing layer (2); It is characterized in that: a fluororubber cover (3) is arranged in cylindrical shell (1), and the overlapping two blocks of rock beams (8) of putting into have a rock beam end face fluororubber skin (7) respectively at the two ends of rock beam (8) in the fluororubber cover (3); Adopt an end cap of screw retention (5) respectively at the two ends of cylindrical shell (1), the inner fixing and sealing of the two ends of fluororubber cover (3) and end cap (5); End cap (5) has center pit, and a briquetting (4) is arranged respectively in the center pit of end cap (5), and briquetting (4) has liquid to flow into or tap hole, and briquetting (4) compresses rock beam end face fluororubber skin (7) through the inner of bolt and briquetting (4); Be fixed with X-over (6) respectively in the outer end of two end caps (5), X-over (6) has center pit, and X-over (6) center pit flows into the liquid of briquetting (4) or tap hole is communicated with; On the wall of cylindrical shell (1), be fixed with a ring and be pressed into a mouthful joint (9), ring is pressed into a mouthful joint (9) and is communicated with cylindrical shell (1) inner chamber.
2. sour rock according to claim 1 reacts parallel rock beam clamper, it is characterized in that: described two blocks of rock beams (8), and every block of rock beam (8) length is 1020 ± 0.5mm, and width is 88 ± 0.5mm, and thickness is 16～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202416850U CN202256290U (en) | 2011-07-08 | 2011-07-08 | Parallel rock plate clamp holder for acid-rock reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202416850U CN202256290U (en) | 2011-07-08 | 2011-07-08 | Parallel rock plate clamp holder for acid-rock reaction |
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| Publication Number | Publication Date |
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| CN202256290U true CN202256290U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202416850U Expired - Lifetime CN202256290U (en) | 2011-07-08 | 2011-07-08 | Parallel rock plate clamp holder for acid-rock reaction |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720488A (en) * | 2012-07-11 | 2012-10-10 | 西南石油大学 | Testing device and method for simulating flat carbonate rock reaction |
| CN103244112A (en) * | 2013-05-08 | 2013-08-14 | 常州大学 | Method and device for testing flow conductivity of fracture network of shale |
| CN104535715A (en) * | 2014-12-02 | 2015-04-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Crack particles diversion agent temporary blockage capability evaluation apparatus and method thereof |
| CN105545249A (en) * | 2015-12-31 | 2016-05-04 | 中国石油天然气股份有限公司 | Crack sample plate clamping device |
| CN106437671A (en) * | 2016-11-22 | 2017-02-22 | 西南石油大学 | Visual crack type rock plate acid liquor etching experimental device and method |
| CN108204231A (en) * | 2016-12-20 | 2018-06-26 | 中国石油天然气股份有限公司 | A kind of evaluation method of carbonate reservoir volume acid fracturing flow conductivity |
| CN110208265A (en) * | 2019-06-20 | 2019-09-06 | 中国石油大学(华东) | Acid-rock reaction list rock beam board slit simulation apparatus and working method |
| CN111236935A (en) * | 2020-02-26 | 2020-06-05 | 西南石油大学 | Simulated CO2Experimental device and method for acid fracturing and acid etching crack process |
| CN111239021A (en) * | 2020-02-26 | 2020-06-05 | 西南石油大学 | Flat plate holder for simulating multiphase fluid flowing in cracks and use method thereof |
-
2011
- 2011-07-08 CN CN2011202416850U patent/CN202256290U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720488B (en) * | 2012-07-11 | 2014-10-22 | 西南石油大学 | Testing device and method for simulating flat carbonate rock reaction |
| CN102720488A (en) * | 2012-07-11 | 2012-10-10 | 西南石油大学 | Testing device and method for simulating flat carbonate rock reaction |
| CN103244112A (en) * | 2013-05-08 | 2013-08-14 | 常州大学 | Method and device for testing flow conductivity of fracture network of shale |
| CN104535715A (en) * | 2014-12-02 | 2015-04-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Crack particles diversion agent temporary blockage capability evaluation apparatus and method thereof |
| CN105545249A (en) * | 2015-12-31 | 2016-05-04 | 中国石油天然气股份有限公司 | Crack sample plate clamping device |
| CN106437671B (en) * | 2016-11-22 | 2019-12-24 | 西南石油大学 | Visual crack type rock plate acid liquor etching experimental device and experimental method |
| CN106437671A (en) * | 2016-11-22 | 2017-02-22 | 西南石油大学 | Visual crack type rock plate acid liquor etching experimental device and method |
| CN108204231A (en) * | 2016-12-20 | 2018-06-26 | 中国石油天然气股份有限公司 | A kind of evaluation method of carbonate reservoir volume acid fracturing flow conductivity |
| CN110208265A (en) * | 2019-06-20 | 2019-09-06 | 中国石油大学(华东) | Acid-rock reaction list rock beam board slit simulation apparatus and working method |
| CN111236935A (en) * | 2020-02-26 | 2020-06-05 | 西南石油大学 | Simulated CO2Experimental device and method for acid fracturing and acid etching crack process |
| CN111239021A (en) * | 2020-02-26 | 2020-06-05 | 西南石油大学 | Flat plate holder for simulating multiphase fluid flowing in cracks and use method thereof |
| CN111239021B (en) * | 2020-02-26 | 2020-12-08 | 西南石油大学 | Flat plate holder for simulating multiphase fluid flowing in cracks and use method thereof |
| CN111236935B (en) * | 2020-02-26 | 2021-01-15 | 西南石油大学 | Simulated CO2Experimental device and method for acid fracturing and acid etching crack process |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
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| CX01 | Expiry of patent term |