CN101949285B - Screen pipe completed well gel-breaking tester - Google Patents
Screen pipe completed well gel-breaking tester Download PDFInfo
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- CN101949285B CN101949285B CN 201010264232 CN201010264232A CN101949285B CN 101949285 B CN101949285 B CN 101949285B CN 201010264232 CN201010264232 CN 201010264232 CN 201010264232 A CN201010264232 A CN 201010264232A CN 101949285 B CN101949285 B CN 101949285B
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Abstract
The invention provides a high-temperature screen pipe completed well gel-breaking tester which comprises a well wall outer barrel 8 and a screen pipe inner barrel 11 sheathed in the well wall outer barrel, wherein a cavity between the well wall outer barrel and the screen pipe inner barrel is an external circulation cavity 9; the top and the bottom of the well wall outer barrel are respectively provided with an upper cover 19 of the well wall outer barrel and a lower cover 18 of the well wall outer barrel; the top and the bottom of the screen pipe inner barrel are respectively provided with an upper cover 2 of the screen pipe inner barrel and a lower cover 15 of the screen pipe inner barrel; the upper cover 19 of the well wall outer barrel is in close fit with the upper cover 2 of the screen pipe outer barrel, and the upper cover 2 of the screen pipe outer barrel is provided with a quick-change connector 1 communicated with the inner cavity of the screen pipe inner barrel 11; and the side wall of the screen pipe inner barrel 11 is provided with at least one screen 12. The tester of the invention can simulate the underground plugging and filtration conditions of the screen caused by high temperature, high pressure and drilling fluid and the gel-breaking and removing conditions of screen bulkheads caused by the gel-breaking liquid, and can exactly determine the gel-breaking time and determine filtering the velocity of a screen filer cake after determining the gel-breaking.
Description
Technical field
The present invention relates to a kind of gel breaker tester for screen pipe well completion, belong to the simulation experiment device in field of petroleum exploitation.
Background technology
At present, in the brill of loose sand, completion manufacturing process, drilling fluid forms fine and close mud cake at the well sandscreen place, because mud cake colmatation zone permeability is extremely low, will inevitably cause the crude oil rate of outflow to slow down, and is unfavorable for oil well production.Therefore, before bringing in, effectively remove the mud cake obstruction at screen casing screen cloth place.Breaking glue solution is to remove the main agents that mud cake stops up, and in time understands breaking glue solution mud cake is stopped up the releasing situation, has very strong realistic meaning to improving oil well production efficient.
Up to now, analog solution except the instrument of sand control screen mud cake stopping state also seldom, the general employing of laboratory experiment suppressed mud cake on filter paper or core, with breaking glue solution under reservoir temperature, soak the releasing simulate mud cake, the removing of the simulation under can not the simulated field high pressure to the screen casing obstruction.
Therefore, need a kind of apparatus simple in structure, easy to use in petroleum drilling, completion practice, can estimate the action effect that the breaking glue solution system is removed the screen casing obstruction under simulated field downhole temperature, pressure condition, for research and production provide scientific basis.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structurely, easy to use, completion fluid temperature under simulation well, pressure change the high temperature gel breaker tester for screen pipe well completion on the broken glue impact of the de-plugging of the screen casing that stops up well.
A kind of completion provided by the invention is broken the glue test instrument, and it comprises borehole wall urceolus 8, is set in the screen casing inner core 11 in described borehole wall urceolus; Cavity between described borehole wall urceolus and described screen casing inner core is outside circulation chamber 9; The top of described borehole wall urceolus and bottom are respectively equipped with borehole wall urceolus upper cover 19 and borehole wall urceolus lower cover 18; The top of described screen casing inner core and bottom are respectively equipped with screen casing inner core upper cover 2 and screen casing inner core lower cover 15; Described borehole wall urceolus upper cover 19 and described screen casing inner core upper cover 2 closely cooperate, and described borehole wall urceolus lower cover 18 and described screen casing inner core lower cover 15 closely cooperate; Be provided with the hydraulic quick coupler 1 that the inner chamber with described screen casing inner core 11 communicates on described screen casing inner core upper cover 2; The sidewall of described screen casing inner core 11 is provided with at least one screen cloth 12.
In above-mentioned broken glue test instrument, the inner chamber of outside circulation chamber 9 and screen casing inner core 11 forms a circulation chamber by described screen cloth 12, thereby forms screen casing shutoff and the broken glue de-plugging place of a simulation.
In above-mentioned broken glue test instrument, the outside of described borehole wall urceolus 8 can be coated with heater 10 or other can provide the device of heat.
In above-mentioned broken glue test instrument, can be provided with temperature pick up 4 on described borehole wall urceolus upper cover 19, but this temperature pick up control simulation downhole temperature.
In above-mentioned broken glue test instrument, be provided with sealing ring A3 between described screen casing inner core upper cover 2 and described borehole wall urceolus upper cover 19; Be provided with sealing ring B5 between described screen casing inner core upper cover 2 and described screen casing inner core 11; Be provided with sealing ring C14 between described screen casing inner core lower cover 15 and borehole wall urceolus lower cover 18; Be provided with sealing ring D13 between described screen casing inner core lower cover 15 and described screen casing inner core 11; Be provided with sealing ring E7 between described borehole wall urceolus upper cover 19 and borehole wall urceolus 8, thus seal and the resistance to pressure in the circulation chamber that can guarantee that urceolus annular space 9 and screen casing inner core annular space 6 form.
In above-mentioned broken glue test instrument, be respectively arranged with atmospheric valve 16 and 17 on described screen casing inner core lower cover 15 He on borehole wall urceolus lower cover 18.
In above-mentioned broken glue test instrument, described screen cloth can be 3.
In above-mentioned broken glue test instrument, can connect water booster system on described hydraulic quick coupler 1, the simulation down-hole high pressure.
Advantage of the present invention is: high temperature under can simulation well of this gel breaker tester for screen pipe well completion, high pressure, the simulation drilling liquid shutoff situation to screen casing, then carry out breaking glue solution to the removing effect assessment of the obstruction of screen casing, survey data is convenient accurately, also can measure brokenly the filtering velocity of screen cloth mud cake after glue.
Description of drawings
Fig. 1 is structural representation of the present invention.Wherein, 1 is hydraulic quick coupler, and 2 is screen casing inner core upper cover, 3 is that sealing ring A, 5 is that sealing ring B, 7 is that sealing ring E, 13 is that sealing ring D, 14 is sealing ring C, and 4 is temperature pick up, and 8 is borehole wall urceolus, 9 is the outside circulation chamber, 10 is heater, and 11 is the screen casing inner core, and 12 is screen cloth, 15 is screen casing inner core lower cover, 16,17 is atmospheric valve, and 18 is borehole wall urceolus lower cover, and 19 is borehole wall urceolus upper cover.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment, but the present invention is not limited to following examples.
As shown in Figure 1, gel breaker tester for screen pipe well completion of the present invention comprises borehole wall urceolus 8, is set in the screen casing inner core 11 in borehole wall urceolus 8; Cavity between borehole wall urceolus 8 and screen casing inner core 11 is outside circulation chamber 9; The top of borehole wall urceolus 8 and bottom are respectively equipped with borehole wall urceolus upper cover 19 and borehole wall urceolus lower cover 18; The top of screen casing inner core 11 and bottom are respectively equipped with screen casing inner core upper cover 2 and screen casing inner core lower cover 15; Be respectively arranged with atmospheric valve 16 and 17 on screen casing inner core lower cover 15 He on borehole wall urceolus lower cover 18; Borehole wall urceolus upper cover 19 and screen casing inner core upper cover 2 closely cooperate, and borehole wall urceolus lower cover 18 and screen casing inner core lower cover 15 closely cooperate; Be provided with the hydraulic quick coupler 1 that the inner chamber with screen casing inner core 11 communicates on screen casing inner core upper cover 2, can connect water booster system on hydraulic quick coupler 1, the simulation down-hole high pressure; The sidewall of screen casing inner core 11 is provided with 3 screen clothes 12; Form a circulation chamber by screen cloth 12 between the inner chamber of outside circulation chamber 9 and screen casing inner core, thereby form screen casing shutoff and the broken glue de-plugging place of a simulation; The outside of borehole wall urceolus 8 can be coated with heater 10; Be provided with temperature pick up 4 on borehole wall urceolus upper cover 19, but this temperature pick up control simulation downhole temperature.
In above-mentioned broken glue test instrument, to connect closelyr in order making between each position, to simulate better the test conditions of HTHP, be provided with sealing ring A3 between screen casing inner core upper cover 2 and borehole wall urceolus upper cover 19; Be provided with sealing ring B5 between screen casing inner core upper cover 2 and screen casing inner core 11; Be provided with sealing ring C14 between screen casing inner core lower cover 15 and borehole wall urceolus lower cover 18; Be provided with sealing ring D13 between screen casing inner core lower cover 15 and screen casing inner core 11; Be provided with sealing ring E7 between borehole wall urceolus upper cover 19 and borehole wall urceolus 8, thus seal and the resistance to pressure in the circulation chamber that can guarantee that the inner chamber of outside circulation chamber 9 and screen casing inner core 11 forms.
During experiment, after opening borehole wall urceolus upper cover 19 and screen casing inner core upper cover 2, then the drilling fluid of packing into tightens screen casing inner core upper cover 2 and borehole wall urceolus upper cover 19; Open heater 10 and pressurizing valve, form screen cloth 12 shutoff.Then open screen casing inner core 11 atmospheric valve 16, bleed off drilling fluid, after closing atmospheric valve 16, open again borehole wall urceolus upper cover 19 and screen casing inner core upper cover 2, the breaking glue solution of packing into, open borehole wall urceolus atmospheric valve 17, under reservoir temperature, broken glue is soaked in pressurization, the filtering velocity of screen cloth mud cake after broken glue time of mensuration breaking glue solution and broken glue.
The embodiment of the above is one of case study on implementation of the present invention, is not to limit practical range of the present invention with this, therefore the equivalence that all shapes according to the present invention, structure and principle are done changes, all should be encompassed in protection scope of the present invention.
Claims (8)
1. a completion is broken the glue test instrument, and it is characterized in that: it comprises borehole wall urceolus (8), is set in the screen casing inner core (11) in described borehole wall urceolus; Cavity between described borehole wall urceolus and described screen casing inner core is outside circulation chamber (9); The top of described borehole wall urceolus and bottom are respectively equipped with borehole wall urceolus upper cover (19) and borehole wall urceolus lower cover (18); The top of described screen casing inner core and bottom are respectively equipped with screen casing inner core upper cover (2) and screen casing inner core lower cover (15); Described borehole wall urceolus upper cover (19) and described screen casing inner core upper cover (2) closely cooperate, and described borehole wall urceolus lower cover (18) and described screen casing inner core lower cover (15) closely cooperate; Be provided with the hydraulic quick coupler (1) that the inner chamber with described screen casing inner core (11) communicates on described screen casing inner core upper cover (2); The sidewall of described screen casing inner core (11) is provided with at least one screen cloth (12).
2. broken glue test instrument according to claim 1, it is characterized in that: the outside of described borehole wall urceolus (8) is coated with heater (10).
3. broken glue test instrument according to claim 1 and 2, is characterized in that: be provided with temperature pick up (4) on described borehole wall urceolus upper cover (19).
4. broken glue test instrument according to claim 1 and 2, is characterized in that: be provided with sealing ring A(3 between described screen casing inner core upper cover (2) and described borehole wall urceolus upper cover (19)); Be provided with sealing ring B(5 between described screen casing inner core upper cover (2) and described screen casing inner core (11)); Be provided with sealing ring C(14 between described screen casing inner core lower cover (15) and borehole wall urceolus lower cover (18)); Be provided with sealing ring D(13 between described screen casing inner core lower cover (15) and described screen casing inner core (11)); Be provided with sealing ring E(7 between described borehole wall urceolus upper cover (19) and borehole wall urceolus (8)).
5. broken glue test instrument according to claim 3, is characterized in that: be provided with sealing ring A(3 between described screen casing inner core upper cover (2) and described borehole wall urceolus upper cover (19)); Be provided with sealing ring B(5 between described screen casing inner core upper cover (2) and described screen casing inner core (11)); Be provided with sealing ring C(14 between described screen casing inner core lower cover (15) and borehole wall urceolus lower cover (18)); Be provided with sealing ring D(13 between described screen casing inner core lower cover (15) and described screen casing inner core (11)); Be provided with sealing ring E(7 between described borehole wall urceolus upper cover (19) and borehole wall urceolus (8)).
6. broken glue test instrument according to claim 5, is characterized in that: be respectively arranged with the first atmospheric valve (16) and the second atmospheric valve (17) on described screen casing inner core lower cover (15) and on borehole wall urceolus lower cover (18).
7. broken glue test instrument according to claim 5, it is characterized in that: described screen cloth is 3.
8. broken glue test instrument according to claim 1 and 2, it is characterized in that: described screen cloth is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010264232 CN101949285B (en) | 2010-08-26 | 2010-08-26 | Screen pipe completed well gel-breaking tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010264232 CN101949285B (en) | 2010-08-26 | 2010-08-26 | Screen pipe completed well gel-breaking tester |
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| Publication Number | Publication Date |
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| CN101949285A CN101949285A (en) | 2011-01-19 |
| CN101949285B true CN101949285B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010264232 Active CN101949285B (en) | 2010-08-26 | 2010-08-26 | Screen pipe completed well gel-breaking tester |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104179482B (en) * | 2014-08-11 | 2016-08-17 | 北京科技大学 | A kind of High Temperature High Pressure oil gas sand control screen sand block experimental apparatus for capability |
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| US5343953A (en) * | 1993-08-24 | 1994-09-06 | Halliburton Company | Through-tubing recirculating tool assembly for well completions |
| CN1121980A (en) * | 1995-06-13 | 1996-05-08 | 辽河石油勘探局兴隆台采油厂 | Perforation and oil-pumping united well completion pipe string for oil gas well |
| WO2002006593A1 (en) * | 2000-07-13 | 2002-01-24 | Halliburton Energy Services, Inc. | Sand screen with integrated sensors |
| CN1688791A (en) * | 2002-08-23 | 2005-10-26 | 贝克休斯公司 | Self-conforming well screen |
| CN101392633A (en) * | 2007-09-21 | 2009-03-25 | 中国石油天然气集团公司 | Mechanical and hydraulic double-acting expansion sieve tube hanger |
| CN201818298U (en) * | 2010-08-26 | 2011-05-04 | 中国海洋石油总公司 | Gel breaker tester for screen pipe well completion |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7472745B2 (en) * | 2006-05-25 | 2009-01-06 | Baker Hughes Incorporated | Well cleanup tool with real time condition feedback to the surface |
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2010
- 2010-08-26 CN CN 201010264232 patent/CN101949285B/en active Active
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|---|---|---|---|---|
| US5343953A (en) * | 1993-08-24 | 1994-09-06 | Halliburton Company | Through-tubing recirculating tool assembly for well completions |
| CN1121980A (en) * | 1995-06-13 | 1996-05-08 | 辽河石油勘探局兴隆台采油厂 | Perforation and oil-pumping united well completion pipe string for oil gas well |
| WO2002006593A1 (en) * | 2000-07-13 | 2002-01-24 | Halliburton Energy Services, Inc. | Sand screen with integrated sensors |
| CN1688791A (en) * | 2002-08-23 | 2005-10-26 | 贝克休斯公司 | Self-conforming well screen |
| CN101392633A (en) * | 2007-09-21 | 2009-03-25 | 中国石油天然气集团公司 | Mechanical and hydraulic double-acting expansion sieve tube hanger |
| CN201818298U (en) * | 2010-08-26 | 2011-05-04 | 中国海洋石油总公司 | Gel breaker tester for screen pipe well completion |
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| Title |
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| 一种清除钻井液滤饼的新技术;彭志刚等;《钻井液与完井液》;20090930(第5期);第22-24页 * |
| 彭志刚等.一种清除钻井液滤饼的新技术.《钻井液与完井液》.2009,(第5期),第22-24页. |
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| CN101949285A (en) | 2011-01-19 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: Yangtze University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: Yangtze University |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Yangtze University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: Yangtze University |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191209 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC research institute limited liability company Patentee before: China Offshore Oil Group Co., Ltd. Co-patentee before: Yangtze University |
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