CN2667156Y - Eccentric water distributor and its detectable flow sealed measurement sealing section - Google Patents
Eccentric water distributor and its detectable flow sealed measurement sealing section Download PDFInfo
- Publication number
- CN2667156Y CN2667156Y CN 200320127353 CN200320127353U CN2667156Y CN 2667156 Y CN2667156 Y CN 2667156Y CN 200320127353 CN200320127353 CN 200320127353 CN 200320127353 U CN200320127353 U CN 200320127353U CN 2667156 Y CN2667156 Y CN 2667156Y
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- sliding sleeve
- inner sliding
- hole
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- seating nipple
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Abstract
The utility model relates to an eccentricity water distributor and a sealing section of sealing examination for flow measurement, and belongs to water injection tool. The non thorough eccentric hole is opened on the sidewall of working tube of the eccentricity water distributor, a blocker is arranged inside the eccentric hole, and a water inlet that is communicated with the center hole is opened at the lower part of the eccentric hole; the working tube is fixed with the correcting body and connected with the upper connective tube, the support frame is fixed with the working tube; the lower connective tube is connected with the working tube and the lower connector. The eccentric hole is opened on the inner sliding casing tube wall of the sealing section of sealing examination for flow measurement, and the pressure gauge port is opened on the upper surface; the inner sliding casing cover is connected with the connector; the outer sliding casing sleeve is covered on the inner sliding casing sleeve, and the pressure transmission hole that is communicated with the eccentric hole is opened on the inner and the outer sliding casing sleeve; then the supporting body is connected with the inner sliding casing sleeve, the locking assembly is connected with the supporting body, the upper and the lower cup is arranged at the both ends of outer sliding casing sleeve and connected with the inner sliding casing sleeve and the supporting body; the connector can be connected with various flow gauges to measure the zonal flow rate, and the pressure gauge port is connected with the dual electron pressure gauge to validate the sealing of packer.
Description
Technical field: the utility model relates to a kind of eccentric injection mandrel and can test envelope measurement of discharge seal section, belongs to the oil-field flooding device.
Background technology: at present, in the oil field stratum water filling, most methods that adopt packer and eccentric injection mandrel to unite use reach the purpose of seperated layer water injection.To verify earlier in water filling whether packer seals, and tests the seperated layer water injection amount again; But because what open on the seating nipple main body wall of the eccentric injection mandrel that uses of oil field at present is the inclined to one side hole of up/down perforation, input blanking plug in the hole partially; In the water filling, liquid can only inject the stratum by the sidewall weep hole by the water inlet of bottom, inclined to one side hole behind blanking plug bottom water nozzle control water, make and to adopt leather cup more than water inlet, to seal with the matching used seal section of eccentric injection mandrel, make in the oil-field flooding, whether checking sealing of packer seals and tests the necessary separate operation of seperated layer water injection amount; In addition, in real work, packer sealed when also envelope was tested in existence, but test is packer deblocking again during water injection rate, whether packer seals in the time of can not correctly reacting the water injection rate on the stratum that will test and test the seperated layer water injection amount, is unfavorable for also whether timely discovery has reached the requirement to the stratum water filling; And, test at every turn whether packer seals and all seal section will be tripped out when measuring the seperated layer water injection amount, carry out dropping into again in the eccentric injection mandrel after the replacing of corresponding tester, workload is increased, be unfavorable for increasing work efficiency and reduce the production operation cost.
Summary of the invention: the purpose of this utility model is exactly at above-mentioned the deficiencies in the prior art, a kind of eccentric injection mandrel is provided and can tests envelope measurement of discharge seal section, the work that whether checking sealing of packer is sealed and test the seperated layer water injection amount is finished simultaneously, and can in time find whether to reach the requirement of seperated layer water injection.
The technical solution of the utility model is: a kind of eccentric injection mandrel by top connection, go up connecting cylinder, centralizer body, blanking plug, seating nipple main body, connecting cylinder, bracing frame, guide way, lower contact and steady nail are formed down; Have the inclined to one side hole that does not connect on the seating nipple main body one side pipe wall, hole length is greater than the length of blanking plug input part partially, blanking plug places in the inclined to one side hole, Kongzui bottom and seating nipple main body distance bottom should be greater than the length of cup packing face partially, and the lower end, hole has the inlet opening that is communicated with the centre bore of seating nipple main body partially; Seating nipple main body upper surface and centralizer body are fixing with the steady nail of centralizer body, the same connecting cylinder lower end, the outside, seating nipple main body upper end is to be threaded, top connection and last connecting cylinder upper end are to be threaded, insert guide way in the bracing frame, fixing with the steady nail of bracing frame with the fixing back of the steady nail of guide way with seating nipple main body lower end, following connecting cylinder upper end connects with internal thread with seating nipple main body lower end, is connected with internal thread with lower contact.
Can test envelope measurement of discharge seal section is made up of connector, pressure gauge socket, inner sliding sleeve, leather cup pressure cap, last leather cup, outer sliding sleeve, down cup, connection pin, supporter, movable pin, positioning wedged block, locking assembly; Have an inclined to one side hole on the one side pipe wall of inner sliding sleeve, and have the pressure gauge socket on the upper surface of the inner sliding sleeve tube wall of corresponding position, inclined to one side hole; Have the last leather cup pressure transmission hole and the down cup pressure transmission hole that communicate with the centre bore of inner sliding sleeve on the inner sliding sleeve opposite side tube wall; Inner sliding sleeve upper end and connector are to be threaded; Outer sliding sleeve is sleeved on the inner sliding sleeve between leather cup pressure transmission hole and the down cup pressure transmission hole, with inner sliding sleeve being threaded, and have the pressure transmission hole that is communicated with the bottom, inclined to one side hole of inner sliding sleeve on the tube wall of outer sliding sleeve, inner sliding sleeve; The supporter upper end links to each other with being connected pin with inner sliding sleeve, and positioning wedged block connects with movable pin with supporter; The locking assembly is connected with supporter; Upper and lower leather cup is set in the two ends of outer sliding sleeve, compress with the leather cup pressure cap, and respectively with inner sliding sleeve and supporter to be threaded; Connector can be connected with various flow instruments, measures zonal flow rate; The pressure gauge socket can insert the bielectron pressure gauge, and whether checking sealing of packer seals.
The utility model is compared with prior art has following advantage: 1, no longer need trip out seal section repeatedly and could realize testing envelope and test seperated layer water injection amount, alleviate the test job amount, increase work efficiency, reduce operating cost.But whether checking sealing of packer seals when 2, surveying the seperated layer water injection amount, more accurate to the zonal testing water injection rate, and can in time find whether to reach the waterflooding requirement to the stratum; 3, shut the inner sliding sleeve lower end, and pressure transmission hole can be surveyed the individual layer water yield after communicating with the centre bore of inner sliding sleeve.
Description of drawings: Fig. 1 is a kind of eccentric injection mandrel structure chart, and Fig. 2 is and the matching used structure chart of testing envelope measurement of discharge seal section of a kind of eccentric injection mandrel.
The specific embodiment: referring to Fig. 1, a kind of eccentric injection mandrel is made up of top connection 1, last connecting cylinder 2, centralizer body 3, blanking plug 4, seating nipple main body 6, following connecting cylinder 8, bracing frame 9, guide way 10, lower contact 12; Have the inclined to one side hole that does not connect on the seating nipple main body 6 one side pipe walls, hole length drops into the length of part greater than blanking plug 4 partially, blanking plug 4 places in the inclined to one side hole, Kongzui bottom and seating nipple main body 6 distance bottom should be greater than the length of cup packing face partially, and the lower end, hole has the inlet opening 7 that is communicated with the centre bore of seating nipple main body 6 partially; The steady nail 13 of seating nipple main body 6 upper surfaces and centralizer body 3 usefulness centralizer bodies is fixed, the seating nipple main body 6 upper ends outsides and last connecting cylinder 2 lower ends are to be threaded, last connecting cylinder 2 upper ends and top connection 1 are to be threaded, put into guide way 10 in the bracing frame 9, fixing the back with the steady nail 11 of guide way fixes with the steady nail 14 of bracing frame with seating nipple main body 6 lower ends, following connecting cylinder 8 upper ends connect with internal thread with seating nipple main body 6 lower ends, are connected with internal thread with lower contact 12.
Can test envelope measurement of discharge seal section is made up of connector 15, pressure gauge socket 16, inner sliding sleeve 17, leather cup pressure cap 18, last leather cup 19, outer sliding sleeve 20, down cup 21, connection pin 22, supporter 23, movable pin 24, positioning wedged block 25, locking assembly 26; Have an inclined to one side hole on the one side pipe wall of inner sliding sleeve 17, and have pressure gauge socket 16 on the upper surface of inner sliding sleeve 17 tube walls of corresponding position, inclined to one side hole; Have last leather cup pressure transmission hole 27 and the down cup pressure transmission hole 29 that communicates with the centre bore of inner sliding sleeve 17 on the inner sliding sleeve 17 opposite side tube walls; Inner sliding sleeve 17 upper ends and connector 15 are to be threaded; Outer sliding sleeve 20 is sleeved on the inner sliding sleeve 17 between leather cup pressure transmission hole 27 and the down cup pressure transmission hole 29, with inner sliding sleeve 17 being threaded, and have the pressure transmission hole 28 that is communicated with the bottom, inclined to one side hole of inner sliding sleeve 17 on the tube wall of outer sliding sleeve 20, inner sliding sleeve 17; Supporter 23 upper ends are connected pin 22 and link to each other with inner sliding sleeve 17 usefulness, positioning wedged block 25 connects with the movable pin 24 of supporter 23 usefulness; Locking assembly 26 is connected with supporter 23; Upper and lower leather cup 19,21 is set in the two ends of outer sliding sleeve 20, compress with leather cup pressure cap 18, and respectively with inner sliding sleeve 17, supporter 23 to be threaded; Connector 15 can be connected with various flow instruments, measures zonal flow rate; Pressure gauge socket 16 can insert the bielectron pressure gauge, and whether checking sealing of packer seals.
In actual production, eccentric injection mandrel must with test envelope seal section, the supporting use of measurement of discharge seal section, could realize whether checking sealing of packer seals and measure the work of seperated layer water injection amount.Equally, a kind of eccentric injection mandrel in the utility model also must with can test envelope measurement of discharge seal section supporting use and could finish the work whether checking sealing of packer sealed and measured the seperated layer water injection amount simultaneously.
A kind of eccentric injection mandrel is connected under the first lower going-into-well in back by oil pipe with packer, then, the envelope tested in the utility model measurement of discharge seal section is lowered in the oil pipe in a kind of eccentric injection mandrel in next stage the utility model, on carry in the time of can testing envelope measurement of discharge seal section, locking assembly 26 is opened, positioning wedged block 25 opens, put again to a kind of bracing frame 9 of eccentric injection mandrel, lean on gravity last leather cup 19, down cup 21 compressions, and last leather cup 19, down cup 21 lay respectively at inlet opening 7 on, the place, below, liquid is by last leather cup pressure transmission hole 27, down cup pressure transmission hole 29 will be gone up leather cup 19, down cup 21 expands and seals, and with inlet opening 7 on, the inwall tight seal of the seating nipple main body 6 at place, below, thereby make liquid inject the stratum, test out the water injection rate on stratum by the flow instrument that connector 15 places connect; The strata pressure of being sealed by last leather cup 19, down cup 21 is entered the pressure transmission hole 28 that can test in the envelope measurement of discharge seal section by weep hole 5, blanking plug 4 and inlet opening 7 in a kind of eccentric injection mandrel simultaneously, inclined to one side hole through testing in the envelope measurement of discharge seal section transfers the pressure on the bielectron pressure gauge of installing at pressure gauge socket 16 places again, and the bielectron pressure gauge just can be measured strata pressure; The bielectron pressure gauge is according to the seperated layer water injection pressure of measuring, but just whether checking sealing of packer seals; And can be according to the data of playback bielectron pressure gauge and flow instrument record, make accurate judgement thereby whether seperated layer water injection achieved the goal, be convenient in time take measures, realize the seperated layer water injection purpose.
Claims (2)
1, a kind of eccentric injection mandrel is made up of top connection (1), last connecting cylinder (2), centralizer body (3), blanking plug (4), seating nipple main body (6), following connecting cylinder (8), bracing frame (9), guide way (10), lower contact (12); Seating nipple main body (6) upper surface and centralizer body (3) with centralizer body surely follow closely (13) fixing, the outside, seating nipple main body (6) upper end and last connecting cylinder (2) lower end to be being threaded, on the last connecting cylinder (2) with top connection (1) to be threaded; Insert guide way (10) in the bracing frame (9), with guide way surely follow closely (11) fixing back and seating nipple main body (6) lower end with bracing frame surely follow closely (14) fixing; Following connecting cylinder (8) upper end connects with internal thread with seating nipple main body (6) lower end, is connected with internal thread with lower contact (12); It is characterized in that: have the inclined to one side hole that does not connect on seating nipple main body (6) the one side pipe walls, hole length drops into length partly greater than blanking plug (4) partially, and blanking plug (4) places in the inclined to one side hole; The Kongzui bottom should be greater than the length of cup packing face apart from seating nipple main body (6) distance bottom partially, and the lower end, hole has the inlet opening (7) that is communicated with the centre bore of seating nipple main body (6) partially.
2, can test envelope measurement of discharge seal section, form by connector (15), pressure gauge socket (16), inner sliding sleeve (17), leather cup pressure cap (18), last leather cup (19), outer sliding sleeve (20), down cup (21), connection pin (22), supporter (23), movable pin (24), positioning wedged block (25), locking assembly (26); It is characterized in that: have an inclined to one side hole on the side pipe wall of inner sliding sleeve (17), and have pressure gauge socket (16) on the upper surface of inner sliding sleeve (17) tube wall of corresponding position, inclined to one side hole; Have the last leather cup pressure transmission hole (27) and the down cup pressure transmission hole (29) that communicate with the centre bore of inner sliding sleeve (17) on inner sliding sleeve (17) the opposite side tube wall; Inner sliding sleeve (17) upper end and connector (15) are to be threaded; Outer sliding sleeve (20) is sleeved on the inner sliding sleeve (17) between leather cup pressure transmission hole (27) and the down cup pressure transmission hole (29), with inner sliding sleeve (17) being threaded, and have the pressure transmission hole (28) that is communicated with the bottom, inclined to one side hole of inner sliding sleeve (17) on the tube wall of outer sliding sleeve (20), inner sliding sleeve (17); Supporter (23) upper end links to each other with being connected pin (22) with inner sliding sleeve (17), and positioning wedged block (25) connects with movable pin (24) with supporter (23); Locking assembly (26) is connected with supporter (23); Upper and lower leather cup (19,21) is set in the two ends of outer sliding sleeve (20), compress with leather cup pressure cap (18), and respectively with inner sliding sleeve (17), supporter (23) to be threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127353 CN2667156Y (en) | 2003-12-23 | 2003-12-23 | Eccentric water distributor and its detectable flow sealed measurement sealing section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127353 CN2667156Y (en) | 2003-12-23 | 2003-12-23 | Eccentric water distributor and its detectable flow sealed measurement sealing section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2667156Y true CN2667156Y (en) | 2004-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320127353 Expired - Fee Related CN2667156Y (en) | 2003-12-23 | 2003-12-23 | Eccentric water distributor and its detectable flow sealed measurement sealing section |
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| CN (1) | CN2667156Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031967A (en) * | 2009-09-25 | 2011-04-27 | 贵州航天凯山石油仪器有限公司 | Layered flow test method and flow regulator used in same |
| CN103696759A (en) * | 2012-09-28 | 2014-04-02 | 中国石油天然气股份有限公司 | Electric direct reading test sealing checking tool |
| CN104564034A (en) * | 2014-12-13 | 2015-04-29 | 贵州航天凯山石油仪器有限公司 | Sealing examining device and sealing examining method for bridge offset well |
| CN104747175A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Separate layer sealing tester |
| CN108252705A (en) * | 2018-01-17 | 2018-07-06 | 西南石油大学 | Oil well segment flow detection tool |
| CN109931050A (en) * | 2019-05-08 | 2019-06-25 | 中国石油大学(华东) | It is a kind of flushing test alter with injection well downhole flow regulator test envelope integrated testing tool |
| CN110017123A (en) * | 2018-01-04 | 2019-07-16 | 中国石油天然气股份有限公司 | Foam drainage gas recovery method, apparatus and system |
| CN110608034A (en) * | 2019-08-29 | 2019-12-24 | 中海油能源发展股份有限公司 | Isolation seal integrity detection device and method |
| CN111810100A (en) * | 2020-06-03 | 2020-10-23 | 中国石油化工股份有限公司 | Eccentric water distributor and working barrel thereof |
-
2003
- 2003-12-23 CN CN 200320127353 patent/CN2667156Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102031967B (en) * | 2009-09-25 | 2015-03-18 | 贵州航天凯山石油仪器有限公司 | Layered flow test method and flow regulator used in same |
| CN102031967A (en) * | 2009-09-25 | 2011-04-27 | 贵州航天凯山石油仪器有限公司 | Layered flow test method and flow regulator used in same |
| CN103696759A (en) * | 2012-09-28 | 2014-04-02 | 中国石油天然气股份有限公司 | Electric direct reading test sealing checking tool |
| CN103696759B (en) * | 2012-09-28 | 2016-08-03 | 中国石油天然气股份有限公司 | Electronic direct reading test tests envelope instrument |
| CN104747175A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Separate layer sealing tester |
| CN104564034A (en) * | 2014-12-13 | 2015-04-29 | 贵州航天凯山石油仪器有限公司 | Sealing examining device and sealing examining method for bridge offset well |
| CN110017123A (en) * | 2018-01-04 | 2019-07-16 | 中国石油天然气股份有限公司 | Foam drainage gas recovery method, apparatus and system |
| CN108252705A (en) * | 2018-01-17 | 2018-07-06 | 西南石油大学 | Oil well segment flow detection tool |
| CN108252705B (en) * | 2018-01-17 | 2021-05-14 | 西南石油大学 | Oil well small segment flow detection tool |
| CN109931050A (en) * | 2019-05-08 | 2019-06-25 | 中国石油大学(华东) | It is a kind of flushing test alter with injection well downhole flow regulator test envelope integrated testing tool |
| CN109931050B (en) * | 2019-05-08 | 2022-09-23 | 中国石油大学(华东) | Wash and test scurrying and seal integration testing tool is tested with water distributor |
| CN110608034A (en) * | 2019-08-29 | 2019-12-24 | 中海油能源发展股份有限公司 | Isolation seal integrity detection device and method |
| CN111810100A (en) * | 2020-06-03 | 2020-10-23 | 中国石油化工股份有限公司 | Eccentric water distributor and working barrel thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |