CN2677612Y - Evaluation surveying device for delay well cementation analogue cenmentation quality - Google Patents
Evaluation surveying device for delay well cementation analogue cenmentation quality Download PDFInfo
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- CN2677612Y CN2677612Y CNU2003201220538U CN200320122053U CN2677612Y CN 2677612 Y CN2677612 Y CN 2677612Y CN U2003201220538 U CNU2003201220538 U CN U2003201220538U CN 200320122053 U CN200320122053 U CN 200320122053U CN 2677612 Y CN2677612 Y CN 2677612Y
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- well cementation
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Abstract
The utility model relates to an evaluation surveying device for delay well cementation analogue cementation quality, which solves the problem that the cementation quality of the cement ring under the condition of time delay can not be evaluated without the evaluation surveying device for well cementation. The utility model is characterized in that the upper end and the lower end of a casing tube (14) are respectively provided with pressurizing mouths (8, 1); furthermore, the inner wall of the casing tube is provided with a plurality of ultrasonic probes which are connected with a control system (A) and a test system (B). The outer margin of a stratum (17) is provided with a plurality of water inlets (4, 5) and water outlets (11, 13). The interlayer (12) of one side of the water inlet (4) is provided with a pressurizing mouth (15). The stratum (17) of the upper part of the interlayer (12) is provided with a capsule (6). The upper part of the interlayer (12) of which one side is provided with the water outlets (11, 13) is provided with a thermocouple (16). A rock core (3) and a cement ring (10) are arranged between the casing tube (14) and the stratum (17). The right side and the left side of the upper end of the cement ring (10) are provided with a cementing mouth (7) and a pressurizing mouth (9). The upper and the lower parts of the stratum (17) are respectively provided with an end cover of a kettle body (18). The utility model has the characteristic that the cement ring can evaluate the cementation quality for well cementation of the stratum and the casing tube.
Description
Technical field:
The utility model relates to the used indoor evaluation experimental device of field of oil drilling, belongs to time-delay well cementation simulation bonding quality evaluation experimental device.
Background technology:
It is three encryption adjusting stages of purpose that Daqing oil field has entered at present with the exploitation remaining oil, and the object that three encryptions are adjusted has characteristics such as oil reservoir is thin, poor properties based on the off-balancesheet reservoir, compares with superencipher, and the exploitation difficulty is big, and cementing quality more be cannot say for sure to demonstrate,prove.
Because long-term injecting water exploitation, the down-hole pressure system is very complicated, height is moisture, oil reservoir thin, interlayer is thin, these have brought great difficulty all for three encrypted adjustment well well cementation, though taked relative measures, encrypting pilot test for three times adjusts the well infrasonic sound of cementing the well and becomes the factor of merit and reached more than 70%, but test finds to adjust the passing in time of well cementing quality, tangible downward trend has appearred in cementing quality, greatly influence the Oilfield developing effect, can bring unnecessary loss to production simultaneously.
The utility model content:
Can estimate the deficiency of cement sheath bonding quality under the time delay condition in order to overcome the evaluation experimental device of not cementing the well, the utility model provides a kind of time-delay well cementation simulation bonding quality evaluation experimental device, and this experimental facilities has under time delay condition can carry out the characteristics of cement sheath to stratum and the evaluation of casing cementing bonding quality.
The technical solution of the utility model is: a kind of time-delay well cementation simulation bonding quality evaluation experimental device comprises sleeve pipe and stratum, sleeve pipe places in the stratum, sleeve pipe two ends up and down has the pressurization mouth, and be equipped with several ultrasonic probes that link to each other with control system and test macro on the inwall, the stratum outer rim has several water inlets and delivery port, have the pressurization mouth on the interlayer of water inlet one side, the stratum on its interlayer top is built-in with capsule, the interlayer top that has delivery port one side is equipped with thermocouple, be equipped with simulation rock core and cement sheath between sleeve pipe and the stratum, the left and right sides of cement sheath upper end has cementing mouth and pressurization mouth, and the stratum is equipped with the kettle end cap up and down respectively.
Above-mentioned ultrasonic probe is two.
The beneficial effect that the utlity model has is: owing to use this stratum, the sleeve pipe model equipment, on the stratum, have several inlet openings, weep hole and pressurization hole, between sleeve pipe and stratum, have the cement injection hole, carry out cement at this and inject the formation cement sheath, ultrasonic probe can carry out delay test within 15 days to the cement sheath cementing quality, adopt " time to peak method " to make an explanation the test result of ultrasonic probe by test macro and control system, under time delay condition, the influence factor of cement sheath bonding quality is to the influence of sealing quality, but visual interpretation interface agglutination quality, estimate the accuracy rate height of cement sheath bonding quality thus, can change by delay of feedback promptly and accurately.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
A-control system among Fig. 1, B-test macro, C-model, a-ultrasonic signal, b-flow, c-temperature, d-pressure, 1-are pressurizeed mouthful, the 2-ultrasonic probe, the 3-rock core, 4-water inlet, 5-water inlet, 6-capsule, 7-cement injection mouth, 8-pressurize mouthful, the 9-mouth that pressurize, 10-cement sheath, the 11-delivery port, 12-interlayer, 13-delivery port, 14-sleeve pipe, 15-pressurizes mouthful, 16-thermocouple, 17-stratum, 18-end cap.
The specific embodiment:
Below in conjunction with accompanying drawing will the utility model is described in further detail:
By shown in Figure 1, a kind of time-delay well cementation simulation bonding quality evaluation experimental device comprises sleeve pipe 14 and stratum 17, stratum 17 is a simulated formation, and sleeve pipe 14 places in the stratum 17, and sleeve pipe has pressurization mouth (8 in two ends about in the of 14,1), pressurizeed in stratum 17 by pressurization mouthful (1,8); And be equipped with several ultrasonic probes 2 that link to each other with control system A and test macro B on the inwall, stratum 17 outer rims have several water inlets (4,5) and delivery port (11,13), have pressurization mouth 15 on the interlayer 12 of water inlet 4 one sides, can record the permeability on stratum 17 by inlet opening (4,5) and weep hole (11,13); The stratum 17 on its interlayer 12 tops is built-in with capsule 6, and capsule 6 plays the effect of pressurization; Interlayer 12 tops that have delivery port (11, a 13) side are equipped with thermocouple 16, and thermocouple 16 plays the effect of heating; Be equipped with simulation rock core 3 and cement sheath 10 between sleeve pipe 14 and the stratum 17, simulation rock core 3 is attached on the steel wall, utilize screen cloth to form mud cake, but the permeability of rock core under the simulation well, the left and right sides of cement sheath 10 upper ends has cementing mouth 7 and pressurization mouth 9, stratum 17 is equipped with kettle end cap 18 up and down respectively, and kettle end cap 18 can play the effect of sealing pressurization.
This device is by MODEL C, test macro B and control system A constitute, MODEL C is to be used for simulating the situation of oil well cement in the down-hole, it is by sleeve pipe 14, simulated formation 17, kettle end cap 18, thermocouple 16 and cement sheath 10 are formed, sleeve pipe 14 is mainly based on simulation 139.7mm production string, simulated formation 17 adopts 224.4mm, the permeability of simulated formation 17 can be according to throw water hole (4 on sleeve pipe 14,5) and weep hole (11,13) realize, mud cake was obtained in the dehydration of 2MPa pressure reduction with mud by 325 orders+60 eye mesh screens in 2 hours, cement sheath 10 high 350mm, the temperature c of simulated formation 17, pressure d and flow b rely on temperature controller, pressure sensor and flow control valve are realized, test macro B mainly comprises ultrasonic probe 2 and interpretation software thereof, is mainly used to estimate the bonding quality of cement sheath 10.
And concrete test process is the situation of micro unit under the simulation well, the situation that the backward energy of dependence ultrasonic probe 2 and time are judged cement and interface agglutination, adopt " time to peak method " to make an explanation, the characteristic value of this method adopts peak-peak time corresponding in the echo, it is divided into several time periods with the ultrasonic echo time series, the defect type that each section correspondence is different, and the time period is not overlapping, does not lack; The velocity of sound difference of in different medium, propagating according to ultrasonic wave, cement is different with water interface position in the different sample defects types, the asynchronism(-nization) that causes the back wave of ultrasonic wave to take place at each interface, be that the position difference appears in peak value in the echo, the time to peak method is divided into several time periods with ultrasonic with the ripple time series, every section defect type that correspondence is different, the starting point of each time period obtains or theoretical calculation according to experiment, and the time that sample defects size and its peak-peak occur in each time period is linear, then can be positioned at which time period according to the time that peak value in the echo occurs, the defect type of final judgement sample.
Owing to use this device, can carry out the bonding quality evaluation of cement sheath 10 and stratum 17 and sleeve pipe 14, the truth that the down-hole can not be observed reflects on ground; The evaluation that can carry out cement paste detects, under time delay condition, can record of the influence variation of the influence factor of Cementation Quality to the sealing quality, but visual interpretation interface agglutination situation is estimated the accuracy rate height of cement sheath bonding quality thus, can change by delay of feedback promptly and accurately.
Claims (2)
1, a kind of time-delay well cementation simulation bonding quality evaluation experimental device, comprise sleeve pipe (14) and stratum (17), sleeve pipe (14) places in the stratum (17), it is characterized in that: sleeve pipe (14) two ends up and down has pressurization mouth (8,1), and be equipped with several ultrasonic probes (2) that link to each other with control system (A) and test macro (B) on the inwall, stratum (17) outer rim has several water inlets (4,5) and delivery port (11,13), have pressurization mouthful (15) on the interlayer (12) of water inlet (4) one sides, the stratum (17) on its interlayer (12) top is built-in with capsule (6), have delivery port (11,13) interlayer of a side (12) top is equipped with thermocouple (16), be equipped with rock core (3) and cement sheath (10) between sleeve pipe (14) and stratum (17), the left and right sides of cement sheath (10) upper end has cementing mouth (7) and pressurization mouthful (9), and stratum (17) are equipped with kettle end cap (18) up and down respectively.
2, time-delay well cementation simulation bonding quality evaluation experimental device according to claim 1, it is characterized in that: ultrasonic probe (2) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201220538U CN2677612Y (en) | 2003-11-20 | 2003-11-20 | Evaluation surveying device for delay well cementation analogue cenmentation quality |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201220538U CN2677612Y (en) | 2003-11-20 | 2003-11-20 | Evaluation surveying device for delay well cementation analogue cenmentation quality |
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| CN2677612Y true CN2677612Y (en) | 2005-02-09 |
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| CNU2003201220538U Expired - Fee Related CN2677612Y (en) | 2003-11-20 | 2003-11-20 | Evaluation surveying device for delay well cementation analogue cenmentation quality |
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| CN102996116A (en) * | 2012-12-06 | 2013-03-27 | 长江大学 | Dynamic mud cake circulating device and using method thereof |
| CN103184866A (en) * | 2013-03-15 | 2013-07-03 | 西安石油大学 | Well cementation cement sheath integrity simulation and evaluation tester |
| CN101725345B (en) * | 2009-11-10 | 2013-07-10 | 河北理工大学 | Device for simulating casing-cement sheath damage indoor test under stratum action |
| CN103335888A (en) * | 2013-05-31 | 2013-10-02 | 中国石油集团川庆钻探工程有限公司 | Anti-gas-channeling simulation test apparatus in later stage of well cementation |
| CN104727805A (en) * | 2013-12-24 | 2015-06-24 | 中国石油化工集团公司 | Apparatus for evaluating cementing strength of cement sheath |
| CN104863541A (en) * | 2015-04-22 | 2015-08-26 | 中国石油大学(华东) | Experimental method of simulating cementing in well cementation process |
| CN105352670A (en) * | 2014-08-22 | 2016-02-24 | 中国石油化工股份有限公司 | Sealing evaluation system of cementing cement sheath of oil and gas well |
| CN105424331A (en) * | 2014-09-18 | 2016-03-23 | 中国石油化工股份有限公司 | Device and method for mechanical sealing evaluation of cement ring when large fracturing is performed |
| CN106499383A (en) * | 2016-10-19 | 2017-03-15 | 中海石油(中国)有限公司 | A kind of method of evaluating cementing barrier integrity |
| EP3039239A4 (en) * | 2013-10-30 | 2017-04-19 | Halliburton Energy Services, Inc. | Modular sensed annular well apparatus for cement testing |
| CN107725030A (en) * | 2017-11-20 | 2018-02-23 | 中国石油大学(华东) | The lower well cementation second interface maintenance of stratum water disturbance and bonding quality evaluating apparatus and method |
| CN107807027A (en) * | 2017-11-21 | 2018-03-16 | 淄博职业学院 | High air-resistance type ceramic fibre gold mine slag prepares oil well antiseepage well cementation test block performance test |
| CN107860904A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Heat-resistance type ceramic fibre lead-zinc ore prepares oil well antiseepage well cementation test block performance test |
| CN107860897A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Anti-pressure polyester fiber firefly ore prepares the well cementation test block performance test of oil well water-impervious |
| CN107860903A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Enhanced glass fibre obsidian prepares the well cementation test block performance test of oil well water-impervious |
| CN107860901A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Intumescent polyester fiber aluminum ore prepares the well cementation test block performance test of oil well water-impervious |
| CN107860902A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Enhanced ceramic fibre iron ore prepares the well cementation test block performance test of oil well water-impervious |
| CN107860898A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Pleat-free ceramic fibre perlite prepares the well cementation test block performance test of oil well water-impervious |
| CN107884552A (en) * | 2017-11-21 | 2018-04-06 | 淄博职业学院 | Heat-resistance type glass fibre manganese ore prepares the well cementation test block performance test of oil well water-impervious |
| CN107907669A (en) * | 2017-11-21 | 2018-04-13 | 淄博职业学院 | Pleat-free glass fibre rock phosphate in powder prepares the well cementation test block performance test of oil well water-impervious |
| CN107941580A (en) * | 2017-11-21 | 2018-04-20 | 淄博职业学院 | Enhanced ceramic fibre cordierite prepares the well cementation test block performance test of oil well water-impervious |
| CN107991150A (en) * | 2017-11-21 | 2018-05-04 | 淄博职业学院 | Pleat-free polyester fiber kaolinite prepares the well cementation test block performance test of oil well water-impervious |
| CN108007743A (en) * | 2017-11-21 | 2018-05-08 | 淄博职业学院 | Intumescent glass fibre chrome ore prepares the well cementation test block performance test of oil well water-impervious |
| CN108007821A (en) * | 2017-11-21 | 2018-05-08 | 淄博职业学院 | Anti-pressure ceramic fibre gangue prepares the well cementation test block performance test of oil well water-impervious |
| CN109507103A (en) * | 2018-11-28 | 2019-03-22 | 中国石油大学(华东) | A kind of envelope alters physical simulation experiment device and effect evaluation method |
| CN111997589A (en) * | 2020-09-10 | 2020-11-27 | 西南石油大学 | Full-size cement sheath packing capacity and bonding strength testing device and testing method thereof |
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2003
- 2003-11-20 CN CNU2003201220538U patent/CN2677612Y/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN101725345B (en) * | 2009-11-10 | 2013-07-10 | 河北理工大学 | Device for simulating casing-cement sheath damage indoor test under stratum action |
| CN102996116A (en) * | 2012-12-06 | 2013-03-27 | 长江大学 | Dynamic mud cake circulating device and using method thereof |
| CN102996116B (en) * | 2012-12-06 | 2015-04-15 | 长江大学 | Dynamic mud cake circulating device and using method thereof |
| CN103184866B (en) * | 2013-03-15 | 2015-07-22 | 西安石油大学 | Well cementation cement sheath integrity simulation and evaluation tester |
| CN103184866A (en) * | 2013-03-15 | 2013-07-03 | 西安石油大学 | Well cementation cement sheath integrity simulation and evaluation tester |
| CN103335888B (en) * | 2013-05-31 | 2015-11-25 | 中国石油集团川庆钻探工程有限公司 | A kind of well cementation later stage anti-gas channeling simulation test device |
| CN103335888A (en) * | 2013-05-31 | 2013-10-02 | 中国石油集团川庆钻探工程有限公司 | Anti-gas-channeling simulation test apparatus in later stage of well cementation |
| EP3039239A4 (en) * | 2013-10-30 | 2017-04-19 | Halliburton Energy Services, Inc. | Modular sensed annular well apparatus for cement testing |
| US9939419B2 (en) | 2013-10-30 | 2018-04-10 | Petrobras | Modular sensed annular well apparatus for cement testing |
| CN104727805B (en) * | 2013-12-24 | 2018-05-22 | 中石化石油工程技术服务有限公司 | Cement sheath cementing strength evaluating apparatus |
| CN104727805A (en) * | 2013-12-24 | 2015-06-24 | 中国石油化工集团公司 | Apparatus for evaluating cementing strength of cement sheath |
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| CN105424331B (en) * | 2014-09-18 | 2019-07-05 | 中国石油化工股份有限公司 | The device and method of the mechanical seal evaluation of cement sheath when for massive hydraulic fracturing |
| CN105424331A (en) * | 2014-09-18 | 2016-03-23 | 中国石油化工股份有限公司 | Device and method for mechanical sealing evaluation of cement ring when large fracturing is performed |
| CN104863541B (en) * | 2015-04-22 | 2017-07-11 | 中国石油大学(华东) | Cemented experimental method in one kind simulation well cementing process |
| CN104863541A (en) * | 2015-04-22 | 2015-08-26 | 中国石油大学(华东) | Experimental method of simulating cementing in well cementation process |
| CN106499383A (en) * | 2016-10-19 | 2017-03-15 | 中海石油(中国)有限公司 | A kind of method of evaluating cementing barrier integrity |
| CN107725030A (en) * | 2017-11-20 | 2018-02-23 | 中国石油大学(华东) | The lower well cementation second interface maintenance of stratum water disturbance and bonding quality evaluating apparatus and method |
| CN107860904A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Heat-resistance type ceramic fibre lead-zinc ore prepares oil well antiseepage well cementation test block performance test |
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| CN107860898A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Pleat-free ceramic fibre perlite prepares the well cementation test block performance test of oil well water-impervious |
| CN107884552A (en) * | 2017-11-21 | 2018-04-06 | 淄博职业学院 | Heat-resistance type glass fibre manganese ore prepares the well cementation test block performance test of oil well water-impervious |
| CN107860901A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Intumescent polyester fiber aluminum ore prepares the well cementation test block performance test of oil well water-impervious |
| CN107907669A (en) * | 2017-11-21 | 2018-04-13 | 淄博职业学院 | Pleat-free glass fibre rock phosphate in powder prepares the well cementation test block performance test of oil well water-impervious |
| CN107941580A (en) * | 2017-11-21 | 2018-04-20 | 淄博职业学院 | Enhanced ceramic fibre cordierite prepares the well cementation test block performance test of oil well water-impervious |
| CN107860902A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Enhanced ceramic fibre iron ore prepares the well cementation test block performance test of oil well water-impervious |
| CN108007743A (en) * | 2017-11-21 | 2018-05-08 | 淄博职业学院 | Intumescent glass fibre chrome ore prepares the well cementation test block performance test of oil well water-impervious |
| CN108007821A (en) * | 2017-11-21 | 2018-05-08 | 淄博职业学院 | Anti-pressure ceramic fibre gangue prepares the well cementation test block performance test of oil well water-impervious |
| CN107860903A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Enhanced glass fibre obsidian prepares the well cementation test block performance test of oil well water-impervious |
| CN107860897A (en) * | 2017-11-21 | 2018-03-30 | 淄博职业学院 | Anti-pressure polyester fiber firefly ore prepares the well cementation test block performance test of oil well water-impervious |
| CN107807027A (en) * | 2017-11-21 | 2018-03-16 | 淄博职业学院 | High air-resistance type ceramic fibre gold mine slag prepares oil well antiseepage well cementation test block performance test |
| CN109507103A (en) * | 2018-11-28 | 2019-03-22 | 中国石油大学(华东) | A kind of envelope alters physical simulation experiment device and effect evaluation method |
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Granted publication date: 20050209 Termination date: 20101120 |