CN104330293A - Energy storage liquid bubble drilling fluid generating device, rheological property testing device and method - Google Patents
Energy storage liquid bubble drilling fluid generating device, rheological property testing device and method Download PDFInfo
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- CN104330293A CN104330293A CN201410573240.0A CN201410573240A CN104330293A CN 104330293 A CN104330293 A CN 104330293A CN 201410573240 A CN201410573240 A CN 201410573240A CN 104330293 A CN104330293 A CN 104330293A
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Abstract
The invention relates to an energy storage liquid bubble drilling fluid generating device, a rheological property testing device and a rheological property testing method. According to the technical scheme adopted by the invention, the input end of a foam generator is connected with a gas container and a surfactant container by virtue of a pipeline, wherein pressure gas is generated by a pressurization trolley and is introduced into the gas container under the action of pressure; a foaming agent in the surfactant container is poured into the foam generator; the pressure foam or micro foam generated by the foam generator is introduced into a mixer and is mixed with the drilling fluid, then the energy storage liquid bubble drilling fluid generated; the output end of the mixer is connected to a tubular measurement system; a liquid backpressure valve arranged at the output end of a piston container is used for controlling water solution in the piston container to flow out at different flow rates, so that the energy storage liquid bubble drilling fluid can pass through the tubular measurement system at different flow rates. The energy storage liquid bubble drilling fluid generating device had the advantages that the foam or the micro foam generated under high pressure is introduced into an annulus high pressure belt, the energy storage liquid bubble is high in pressure resistance, and the energy storage liquid bubble can be mixed with the drilling fluid.
Description
Technical field
The present invention relates to a kind of oil exploitation drilling well servicing unit, particularly a kind of accumulation of energy liquid bubble drilling fluid generating means and rheology testing device and method.
Background technology
Foam and micro-foam drilling fluid have that liquid column hydrostatic pressure is low, leak-off is little, take that lithology is good, the low pressure and leakmess formation be widely used in low pressure, the exhaustion reservoir of drilling well, particularly some maturing fields of leakage and water-sensitive strata and marine context.
The data that one section is entitled as " research of High Performance Drilling Foam for Under Balanced Drilling " stepped on by " Drilling and completion fluids " magazine volume the 3rd periodical May the 24th in 2007, utilizes AGS-8, AGS-10 and the composite frothing agent obtaining high-performance foam drilling fluid of Tea Saponin to construct micro-foam drilling fluid system.Its formula is: 0.5% AGSS (AGS-8:AGS-10: Tea Saponin=4:6:5)+2.0% clay+0.3% FA367-Ι Ι.
The data that one section is entitled as " saturated brine Foam research application " stepped on by " Changjiang University's journal (from section's version) science and engineering volume " magazine volume the 2nd periodical June the 4th in 2007; utilize saturated brine to construct a kind of rheological and the good Foam of reservoir protection as base fluid, its formula is: 6% bentonitic clay+0.05%Na
2cO
3+ 0.6%HTV-II+0.8%LV-CMC+1%SPNH+2%SMP+1.5%XCS-II+
36%NaCl+0.2%XC-ZQP+0.2%XC-FQP。
Chinese patent CN101148579A discloses a kind of high temperature resistant circulating micro-foam drilling fluid or well completion fluid technology, and its temperature resistance ability reaches 200 DEG C.Chinese patent CN101643641B and Chinese patent CN101649192A discloses a kind of micro-foam drilling fluid formula respectively, and simplifies preparing process, and enhance the stability of microfoam, reservoir protec-tion is effective.
The foam that the shortcoming of above-mentioned technology relates to and micro-foam drilling fluid are all foam at ambient pressure, then be injected in drilling fluid, foam drilling fluid after mixture enters into annular space drilling fluid, under the effect of annular space high pressure band, foam volume can be compressed, cause drilling fluid density increase, liquid column hydrostatic pressure rising, be difficult to when boring and meeting low pressure and leakmess formation the effect playing leakproof, leak stopping.
In addition, conventional foam fluid rheology evaluation method is measured under normal temperature, normal pressure, differ comparatively far with the working environment of actual well drilled liquid, and not meeting high pressure field of force foam reparation technology can not the fundamental characteristics of complete reaction foam.Therefore, the rheological property that the high temperature and high pressure environment under simulation well tests foam has important directive significance for rig-site utilization.
The data that one section is entitled as " under High Temperature High Pressure the experimental analysis of foam drilling fluid rheological " stepped on by " petroleum industry computer utility " magazine volume the 4th periodical Dec the 13rd in 2005, devises the foam fluid rheology proving installation of a set of simulated high-pressure hyperbaric environment.The shortcoming of above-mentioned technology is: although 1 is can launch test to foam fluid rheology under high temperature, condition of high voltage, its foaming process but carries out at ambient pressure, there is foam volume equally and reduces, the problem that density increases; 2, the method just have rated foam rheological property at high temperature under high pressure, and mixture drilling fluid, can not reflect foam or micro-foam drilling fluid rheological characteristics at high temperature under high pressure.
The data that one section is entitled as " under High Temperature High Pressure DP-4 foaming properties experimental study " stepped on by " oil and gas chemical industry " magazine volume the 3rd periodical June the 37th in 2008, the data that one section is entitled as the research of foaming properties parameter " under the high pressure " stepped on by " science and technology and engineering " magazine volume the 3rd periodical January the 13rd in 2013, and these two sections of data describe a kind of evaluation method of the performance of frothing agent under elevated pressure conditions.The defect of above-mentioned technology is: 1, the method can meet the condition of elevated pressure bubble, but only have rated foaming volume and half foam life period, does not relate to foam fluid rheology energy; 2, after the method does not relate to mixture drilling fluid equally, the performance of foam or micro-foam drilling fluid.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, a kind of accumulation of energy liquid bubble drilling fluid generating means and rheology testing device and method are provided, under high pressure can foam and under high temperature, condition of high voltage, evaluate the rheological property of accumulation of energy liquid bubble drilling fluid.
Its technical scheme comprises supercharging dolly (1), gas container (2), first constant-flux pump (3), second constant-flux pump (4), surfactivity agent container (5), frother (6), 3rd constant-flux pump (7), drilling fluid rock dust container (8), mixer (9), tubular type measuring system (10), piston container (11), liquid counterbalance valve (12), the input end of described frother (6) connects gas container (2) and surfactivity agent container (5) by pipeline, the bottom of described gas container (2) is provided with the first constant-flux pump (3), and gas container (2) connects supercharging dolly (1), supercharging dolly (1) produces compressed gas, and enter gas container (2) under pressure, frother (6) is entered by the first constant-flux pump (3), the bottom of described surfactivity agent container (5) connects the second constant-flux pump (4), and the gas-development agent in surfactivity agent container (5) is injected frother (6),
The output terminal of described frother (6) is connected to the bottom of mixer (9), produces foam with pressure or microfoam enters mixer (9) in frother; In addition, the output terminal of drilling fluid rock dust container (8) is parallel to the bottom of mixer (9) by pipeline, and the input end of drilling fluid rock dust container (8) connects the 3rd constant-flux pump (7); The output terminal of described mixer (9) is connected to tubular type measuring system (10), produces accumulation of energy liquid bubble drilling fluid after mixing;
The output terminal of described tubular type measuring system (10) is connected to piston container (11), and flowed out with different flow velocitys by the aqueous solution in liquid counterbalance valve (12) the control piston container of piston container (11) output terminal setting, thus make accumulation of energy liquid bubble drilling fluid with different flow velocitys by tubular type measuring system (10);
Above-mentioned tubular type measuring system (10) is installed in constant temperature oven (16), and the output terminal of tubular type measuring system (10) is provided with form (18), the outside of described form (18) is provided with image acquisition areas (17), and image acquisition areas (17) are connected to computer system (14) by data line; Computer system (14) gathers intake pressure by intake pressure pump (19), top hole pressure is gathered by outlet pressure pump (20), gathered the pressure reduction of tubular type measuring system by pressure transducer group 21, described intake pressure pump (19), outlet pressure pump (20) and pressure transducer group (21) are connected to computer system 14 by data line.
The bottom of above-mentioned liquid counterbalance valve (12) is provided with electronic balance (13), and described electronic balance (13) is connected to computer system (14) by data line.
The output terminal of above-mentioned drilling fluid rock dust container (8) installs vacuum car (15), by the cleaning of vacuum car completion system.
The accumulation of energy liquid bubble drilling fluid generating means that the present invention mentions and the using method of rheology testing device, comprise the following steps:
One is preparation accumulation of energy liquid bubble drilling fluid: produce compressed gas by supercharging dolly (1) and enter gas container (2) under pressure, frother (6) is entered by the first constant-flux pump (3), by the second constant-flux pump (4), the gas-development agent in surfactivity agent container (5) is injected frother (6) simultaneously, under the effect of stirring motor, foam with pressure or microfoam is produced in frother (6), and enter mixer (9), pass through the 3rd constant-flux pump (7) afterwards by the drilling fluid injecting mixer (9) in drilling fluid rock dust container (8), accumulation of energy liquid bubble drilling fluid is produced after mixing,
Two is rheology testings of drilling fluid: regulates liquid counterbalance valve (12) makes the aqueous solution in piston container (11) flow out with different flow velocitys, thus make accumulation of energy liquid bubble drilling fluid with different flow velocitys by tubular type measuring system (10), by computer system (14) image data, by the cleaning of vacuum car (15) completion system, control probe temperature by constant temperature oven (16), completed the image acquisition of accumulation of energy liquid bubble drilling fluid by image acquisition areas (17).
The invention has the beneficial effects as follows:
1, accumulation of energy liquid bubble involved in the present invention is the foam or microfoam that under high pressure produce, and the anti-pressure ability entering into annular space high pressure band accumulation of energy liquid bubble is strong;
2, accumulation of energy liquid bubble drilling fluid generating means involved in the present invention can realize the mixture of accumulation of energy liquid bubble and drilling fluid;
3, the accumulation of energy liquid bubble drilling fluid that accumulation of energy liquid bubble drilling fluid generating means involved in the present invention and rheology testing device produce under (5 ~ 20MPa) at various pressures, and high temperature (100 DEG C), high pressure (20MPa) condition under simulation well, test the rheological property of accumulation of energy liquid bubble drilling fluid.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
In upper figure: supercharging dolly 1, gas container 2, first constant-flux pump 3, second constant-flux pump 4, surfactivity agent container 5, frother 6, the 3rd constant-flux pump 7, drilling fluid rock dust container 8, mixer 9, tubular type measuring system 10, piston container 11, liquid counterbalance valve 12, electronic balance 13, computer system 14, vacuum car 15, constant temperature oven 16, image acquisition areas 17, form 18, intake pressure pump 19, outlet pressure pump 20, pressure transducer group 21.
Embodiment
By reference to the accompanying drawings 1, the invention will be further described:
The present invention includes supercharging dolly 1, gas container 2, first constant-flux pump 3, second constant-flux pump 4, surfactivity agent container 5, frother 6, 3rd constant-flux pump 7, drilling fluid rock dust container 8, mixer 9, tubular type measuring system 10, piston container 11, liquid counterbalance valve 12, the input end of described frother 6 connects gas container 2 and surfactivity agent container 5 by pipeline, the bottom of described gas container 2 is provided with the first constant-flux pump 3, and gas container 2 connects supercharging dolly 1, supercharging dolly 1 produces compressed gas, and enter gas container 2 under pressure, frother 6 is entered by the first constant-flux pump 3, the bottom of described surfactivity agent container 5 connects the second constant-flux pump 4, and the gas-development agent in surfactivity agent container 5 is injected frother 6,
The output terminal of described frother 6 is connected to the bottom of mixer 9, produces foam with pressure or microfoam enters mixer 9 in frother; In addition, the output terminal of drilling fluid rock dust container 8 is parallel to the bottom of mixer 9 by pipeline, and the input end of drilling fluid rock dust container 8 connects the 3rd constant-flux pump 7; The output terminal of described mixer 9 is connected to tubular type measuring system 10, produces accumulation of energy liquid bubble drilling fluid after mixing;
The output terminal of described tubular type measuring system 10 is connected to piston container 11, and flowed out with different flow velocitys by the aqueous solution in the liquid counterbalance valve 12 control piston container of piston container 11 output terminal setting, thus make accumulation of energy liquid bubble drilling fluid with different flow velocitys by tubular type measuring system 10;
Above-mentioned tubular type measuring system 10 is installed in constant temperature oven 16, and the output terminal of tubular type measuring system 10 is provided with form 18, and the outside of described form 18 is provided with image acquisition areas 17, and image acquisition areas 17 is connected to computer system 14 by data line; Regulated the pressure of whole system by intake pressure pump 19, carry out pressure release by outlet pressure pump 20; Computer system 14 gathers intake pressure by intake pressure pump 19, top hole pressure is gathered by outlet pressure pump 20, gathered the pressure reduction of tubular type measuring system by pressure transducer group 21, described intake pressure pump 19, outlet pressure pump 20 and pressure transducer group 21 are connected to computer system 14 by data line.
The bottom of above-mentioned liquid counterbalance valve 12 is provided with electronic balance 13, and described electronic balance 13 is connected to computer system 14 by data line.
The output terminal of above-mentioned drilling fluid rock dust container 8 installs vacuum car 15, by the cleaning of vacuum car completion system.
The accumulation of energy liquid bubble drilling fluid generating means that the present invention mentions and the using method of rheology testing device, comprise the following steps:
One is preparation accumulation of energy liquid bubble drilling fluid: produce compressed gas by supercharging dolly 1 and enter gas container 2 under pressure, frother 6 is entered by the first constant-flux pump 3, by the second constant-flux pump 4, the gas-development agent in surfactivity agent container 5 is injected frother 6 simultaneously, under the effect of stirring motor, foam with pressure or microfoam is produced in frother 6, and enter mixer 9, pass through the 3rd constant-flux pump 7 afterwards by the drilling fluid injecting mixer 9 in drilling fluid rock dust container 8, after mixing, produce accumulation of energy liquid bubble drilling fluid;
Two is rheology testings of drilling fluid: regulates liquid counterbalance valve 12 makes the aqueous solution in piston container 11 flow out with different flow velocitys, thus make accumulation of energy liquid bubble drilling fluid with different flow velocitys by tubular type measuring system 10, by computer system 14 image data, by the cleaning of vacuum car 15 completion system, control probe temperature by constant temperature oven 16, completed the image acquisition of accumulation of energy liquid bubble drilling fluid by image acquisition areas 17.
Claims (7)
1. an accumulation of energy liquid bubble drilling fluid generating means and rheology testing device, it is characterized in that: comprise supercharging dolly (1), gas container (2), first constant-flux pump (3), second constant-flux pump (4), surfactivity agent container (5), frother (6), 3rd constant-flux pump (7), drilling fluid rock dust container (8), mixer (9), tubular type measuring system (10), piston container (11), liquid counterbalance valve (12), the input end of described frother (6) connects gas container (2) and surfactivity agent container (5) by pipeline, the bottom of described gas container (2) is provided with the first constant-flux pump (3), and gas container (2) connects supercharging dolly (1), supercharging dolly (1) produces compressed gas, and enter gas container (2) under pressure, frother (6) is entered by the first constant-flux pump (3), the bottom of described surfactivity agent container (5) connects the second constant-flux pump (4), and the gas-development agent in surfactivity agent container (5) is injected frother (6),
The output terminal of described frother (6) is connected to the bottom of mixer (9), produces foam with pressure or microfoam enters mixer (9) in frother; In addition, the output terminal of drilling fluid rock dust container (8) is parallel to the bottom of mixer (9) by pipeline, and the input end of drilling fluid rock dust container (8) connects the 3rd constant-flux pump (7); The output terminal of described mixer (9) is connected to tubular type measuring system (10), produces accumulation of energy liquid bubble drilling fluid after mixing;
The output terminal of described tubular type measuring system (10) is connected to piston container (11), and flowed out with different flow velocitys by the aqueous solution in liquid counterbalance valve (12) the control piston container of piston container (11) output terminal setting, thus make accumulation of energy liquid bubble drilling fluid with different flow velocitys by tubular type measuring system (10).
2. accumulation of energy liquid bubble drilling fluid generating means according to claim 1 and rheology testing device, it is characterized in that: described tubular type measuring system (10) is installed in constant temperature oven (16), and the output terminal of tubular type measuring system (10) is provided with form (18), the outside of described form (18) is provided with image acquisition areas (17), and image acquisition areas (17) are connected to computer system (14) by data line; Computer system (14) gathers intake pressure by intake pressure pump (19), gathers top hole pressure by outlet pressure pump (20), is gathered the pressure reduction of tubular type measuring system by pressure transducer group (21); Intake pressure pump (19), outlet pressure pump (20) and pressure transducer group (21) are connected to computer system (14) by data line.
3. accumulation of energy liquid bubble drilling fluid generating means according to claim 1 and rheology testing device, it is characterized in that: the bottom of described liquid counterbalance valve (12) is provided with electronic balance (13), described electronic balance (13) is connected to computer system (14) by data line.
4. accumulation of energy liquid bubble drilling fluid generating means according to claim 1 and rheology testing device, is characterized in that: the output terminal of described drilling fluid rock dust container (8) installs vacuum car (15), by the cleaning of vacuum car completion system.
5. the accumulation of energy liquid bubble drilling fluid generating means according to any one of claim 1-4 and a using method for rheology testing device, is characterized in that comprising the following steps:
One is preparation accumulation of energy liquid bubble drilling fluid: produce compressed gas by supercharging dolly (1) and enter gas container (2) under pressure, frother (6) is entered by the first constant-flux pump (3), by the second constant-flux pump (4), the gas-development agent in surfactivity agent container (5) is injected frother (6) simultaneously, under the effect of stirring motor, foam with pressure or microfoam is produced in frother (6), and enter mixer (9), pass through the 3rd constant-flux pump (7) afterwards by the drilling fluid injecting mixer (9) in drilling fluid rock dust container (8), accumulation of energy liquid bubble drilling fluid is produced after mixing,
Two is rheology testings of drilling fluid: regulates liquid counterbalance valve (12) makes the aqueous solution in piston container (11) flow out with different flow velocitys, thus make accumulation of energy liquid bubble drilling fluid with different flow velocitys by tubular type measuring system (10), by computer system (14) image data, by the cleaning of vacuum car (15) completion system, control probe temperature by constant temperature oven (16), completed the image acquisition of accumulation of energy liquid bubble drilling fluid by image acquisition areas (17).
6. the using method of accumulation of energy liquid bubble drilling fluid generating means according to claim 5 and rheology testing device, it is characterized in that: described tubular type measuring system (10) is installed in constant temperature oven (16), and the output terminal of tubular type measuring system (10) is provided with form (18), the outside of described form (18) is provided with image acquisition areas (17), and image acquisition areas (17) are connected to computer system (14) by data line; Computer system (14) gathers intake pressure by intake pressure pump (19), gathers top hole pressure by outlet pressure pump (20), is gathered the pressure reduction of tubular type measuring system by pressure transducer group (21); Intake pressure pump (19), outlet pressure pump (20) and pressure transducer group (21) are connected to computer system (14) by data line.
7. the using method of accumulation of energy liquid bubble drilling fluid generating means according to claim 5 and rheology testing device, it is characterized in that: the bottom of described liquid counterbalance valve (12) is provided with electronic balance (13), described electronic balance (13) is connected to computer system (14) by data line.
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| CN201410573240.0A CN104330293A (en) | 2014-10-24 | 2014-10-24 | Energy storage liquid bubble drilling fluid generating device, rheological property testing device and method |
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| CN201410573240.0A CN104330293A (en) | 2014-10-24 | 2014-10-24 | Energy storage liquid bubble drilling fluid generating device, rheological property testing device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108982293A (en) * | 2018-08-02 | 2018-12-11 | 中国海洋石油集团有限公司 | A kind of high temperature and pressure foam rheometer test system and experimental method |
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| CN203285371U (en) * | 2013-05-17 | 2013-11-13 | 中国石油天然气集团公司 | Drilling fluid circulation system for nitrogen foam drilling |
| CN104034629A (en) * | 2014-06-26 | 2014-09-10 | 中国石油大学(华东) | Foam pipe rheological test system and application thereof |
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2014
- 2014-10-24 CN CN201410573240.0A patent/CN104330293A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203285371U (en) * | 2013-05-17 | 2013-11-13 | 中国石油天然气集团公司 | Drilling fluid circulation system for nitrogen foam drilling |
| CN104034629A (en) * | 2014-06-26 | 2014-09-10 | 中国石油大学(华东) | Foam pipe rheological test system and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982293A (en) * | 2018-08-02 | 2018-12-11 | 中国海洋石油集团有限公司 | A kind of high temperature and pressure foam rheometer test system and experimental method |
| CN108982293B (en) * | 2018-08-02 | 2020-08-07 | 中国海洋石油集团有限公司 | High-temperature and high-pressure foam rheological test system and experimental method |
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