CN1529038A - Oil field seperated layer water injection well underground water-injection tubular column and complete measuring apparatus - Google Patents
Oil field seperated layer water injection well underground water-injection tubular column and complete measuring apparatus Download PDFInfo
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- CN1529038A CN1529038A CNA2003101076071A CN200310107607A CN1529038A CN 1529038 A CN1529038 A CN 1529038A CN A2003101076071 A CNA2003101076071 A CN A2003101076071A CN 200310107607 A CN200310107607 A CN 200310107607A CN 1529038 A CN1529038 A CN 1529038A
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- overcoat
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- seating nipple
- joint sleeve
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Abstract
The invention is a kind of well flooding pipe pole for oil field layer flooding well and the complement device, it refers to the improvement of the device. There has a ring slot on top of the hole wall of the centre hole, one side of the working barrel main body between the centre hole and the outer wall sets a semi-circle channel, the working barrel main body of bottom of the centre hole sets a sealing stage, the well layer flooding adjuster is set in the centre hole of the working barrel main body. The invention sets a well layer flooding adjuster in the centre hole, the recorded data can work out the single layer water absorption instruction curve directly, realizes the water muzzle selecting in one time, it reduces the amount of work. It changes the accumulate water quantity, ensures the accuracy of the data recording.
Description
Technical field: the present invention relates to the improvement of separated-zone water infection oil field well casing post and supporting testing arrangement structure.
Background technology: the water distribution tubing string of present existing separate water injection well has the water distribution tubing string of eccentric injection mandrel and hydraulic compression type packer; The water distribution tubing string of bridge-type eccentric injection well downhole flow regulator and hydraulic compression type packer; Integrated eccentric water distribution pipe column.The tester that existing separate water injection well uses is collecting type electronics storage flow meter, non-collective flow formula supersonic wave test instrument and a separated-zone water infection oil field well pressure flow measuring probe.The water injection rate of each interval is tested by corresponding injection well downhole flow regulator with above tester, there is following shortcoming in its test: need debug water nozzle repeatedly when 1, testing, workload is big.2, test data poor accuracy, each water injection rate of interval test inaccuracy.3, the low permeability oil field injection allocation is difficult to reach measuring accuracy.4, pressure reduction and flow chart board are too complicated, are difficult in the real work use.
Summary of the invention: the object of the present invention is to provide a kind of separated-zone water infection oil field well underground water-injection tubing string and supporting testing arrangement, it is accurate that it has a test data, can disposable selection water nozzle, reduce workload, improve measuring accuracy, each interval injection allocation accurately, test data characteristics intuitively.The present invention forms by becoming control formula eccentric injection mandrel 1 and laminated distributor under well water filling allotment instrument 2; Becoming control formula eccentric injection mandrel 1 is made up of top connection 1-1, sealing ring 1-2, upper joint sleeve 1-3, centralizer body 1-4, seating nipple main body 1-5, lower joint sleeve 1-6, screw 1-7, support 1-8, guide way 1-9, bolt 1-10, lower contact 1-11; The lower end of top connection 1-1 is threaded with the upper end of upper joint sleeve 1-3, be provided with sealing ring 1-2 between the junction of top connection 1-1 and upper joint sleeve 1-3, centralizer body 1-4 is located in the upper joint sleeve 1-3, the upper end of seating nipple main body 1-5 is threaded with the lower end of upper joint sleeve 1-3, fixedlyed connected by screw 1-7 with the upper end of lower joint sleeve 1-6 in the lower end of seating nipple main body 1-5, the lower end of lower joint sleeve 1-6 is threaded with the upper end of lower contact 1-11, support 1-8 is fixed in the lower contact 1-11, guide way 1-9 is fixed in the support 1-8 by bolt 1-10, be provided with centre bore 1-12 in the seating nipple main body 1-5, the hole wall upper end of centre bore 1-12 has annular recess 1-15, be provided with eccentric orfice 1-14 in the side of seating nipple main body 1-5 between centre bore 1-12 and outer wall, opposite side in the seating nipple main body 1-5 between centre bore 1-12 and outer wall is provided with semi-circular passage 1-13, have through hole 1-16 on the outer wall of the seating nipple main body 1-5 of eccentric orfice 1-14 upper end, have through hole 1-17 between the lower end of eccentric orfice 1-14 and the centre bore 1-12, be provided with in the seating nipple main body 1-5 of centre bore 1-12 lower end and set step 1-18, laminated distributor under well water filling allotment instrument 2 is arranged in the centre bore 1-12 of seating nipple main body 1-5.The present invention becomes control formula eccentric injection mandrel 1 and has dual-use function: laminated distributor under well water filling allotment instrument 2 is set in the centre bore 1-12, and the data of admission can directly be made each single layer water absorption indicative curve, has realized disposable selection water nozzle, has reduced workload.In the eccentric orfice 1-14 blanking plug is set, the water nozzle in the replacement well lower leaf water filling allotment instrument 2 discharges the main channel as required, promptly is convenient to being lowered to of tester of other character, can realize again two kinds of control water yield methods by turns, save instrument cost.Become the supporting use of control formula eccentric injection mandrel 1 and laminated distributor under well water filling allotment instrument 2, the problem of having debugged water nozzle repeatedly when having solved present test, change the test day injection rate simultaneously and be test accumulative total injection rate, solve the low problem that is difficult to reach measuring accuracy of low permeability oil field injection allocation, guaranteed the accuracy of typing data.Two kinds of means that the water yield is monitored have been realized.
Description of drawings: Fig. 1 is an overall structure schematic diagram of the present invention, and Fig. 2 is the A-A sectional view of Fig. 1, and Fig. 3 is the structural representation of laminated distributor under well water filling allotment instrument 2.
The specific embodiment: (seeing Fig. 1, Fig. 2) present embodiment is formed by becoming control formula eccentric injection mandrel 1 and laminated distributor under well water filling allotment instrument 2; Becoming control formula eccentric injection mandrel 1 is made up of top connection 1-1, sealing ring 1-2, upper joint sleeve 1-3, centralizer body 1-4, seating nipple main body 1-5, lower joint sleeve 1-6, screw 1-7, support 1-8, guide way 1-9, bolt 1-10, lower contact 1-11; The lower end of top connection 1-1 is threaded with the upper end of upper joint sleeve 1-3, be provided with sealing ring 1-2 between the junction of top connection 1-1 and upper joint sleeve 1-3, centralizer body 1-4 is located in the upper joint sleeve 1-3, the upper end of seating nipple main body 1-5 is threaded with the lower end of upper joint sleeve 1-3, fixedlyed connected by screw 1-7 with the upper end of lower joint sleeve 1-6 in the lower end of seating nipple main body 1-5, the lower end of lower joint sleeve 1-6 is threaded with the upper end of lower contact 1-11, support 1-8 is fixed in the lower contact 1-11, guide way 1-9 is fixed in the support 1-8 by bolt 1-10, be provided with centre bore 1-12 in the seating nipple main body 1-5, the hole wall upper end of centre bore 1-12 has annular recess 1-15, be provided with eccentric orfice 1-14 in the side of seating nipple main body 1-5 between centre bore 1-12 and outer wall, opposite side in the seating nipple main body 1-5 between centre bore 1-12 and outer wall is provided with semi-circular passage 1-13, have through hole 1-16 on the outer wall of the seating nipple main body 1-5 of eccentric orfice 1-14 upper end, have through hole 1-17 between the lower end of eccentric orfice 1-14 and the centre bore 1-12, be provided with in the seating nipple main body 1-5 of centre bore 1-12 lower end and set step 1-18, laminated distributor under well water filling allotment instrument 2 is arranged in the centre bore 1-12 of seating nipple main body 1-5.(see figure 3) laminated distributor under well water filling allotment instrument 2 is made up of overcoat 2-1, lower pressure sensor 2-2, water nozzle 2-3, flow transmitter 2-4, upward pressure sensor 2-5, data acquisition process memory 2-6, high-energy battery 2-7, data output interface 2-8, locating detent 2-9, inlet opening 2-10, current stabilization passage 2-11, O-ring seals 2-12, fluid hole 2-13, cam lock 2-14, fishing head 2-15; Overcoat 2-1 is divided into three joints, promptly go up overcoat 2-1-1, middle overcoat 2-1-2 and following overcoat 2-1-3, fixedly connected with the lower end of fishing head 2-15 in the upper end of last overcoat 2-1-1, top one side of last overcoat 2-1-1 is fixed with cam lock 2-14, the opposite side on last overcoat 2-1-1 top is fixed with data output interface 2-8, bottom in the last overcoat 2-1-1 is fixed with upward pressure sensor 2-5, middle part in the last overcoat 2-1-1 is fixed with data acquisition process memory 2-6, top in the last overcoat 2-1-1 is fixed with high-energy battery 2-7, be provided with O-ring seals 2-12 in the annular groove of last overcoat 2-1-1 outer wall, have fluid hole 2-13 on the external wall of upper portion of middle overcoat 2-1-2, bottom in the middle overcoat 2-1-2 is fixed with water nozzle 2-3, be provided with current stabilization passage 2-11 in the middle overcoat 2-1-2 on water nozzle 2-3 top, be fixed with flow transmitter 2-4 in the middle overcoat 2-1-2 on current stabilization passage 2-11 top, be provided with O-ring seals 2-12 in the annular groove of middle overcoat 2-1-2 outer wall, the top of following overcoat 2-1-3 has inlet opening 2-10, be fixed with lower pressure sensor 2-2 in the following overcoat 2-1-3 of inlet opening 2-10 bottom, the bottom of following overcoat 2-1-3 is provided with locating detent 2-9.Laminated distributor under well water filling allotment instrument 2 is rendered in the centre bore 1-12 that becomes in the control formula eccentric injection mandrel 1, cam lock 2-14 snaps in and prevents in the annular groove 1-15 that laminated distributor under well water filling allotment instrument 2 from skidding off centre bore 1-12, locating detent 2-9 opens, snap in setting in the step 1-18 of centre bore 1-12 bottom, fluid hole 2-13 is corresponding with through hole 1-17.
The operating principle of laminated distributor under well water filling allotment instrument 2: the upper end edge hoop of following overcoat 2-1-3 has inlet opening 2-10, individual layer injects water and enters down the inside of overcoat 2-1-3 in the hole thus, pressure before the lower pressure sensor 2-2 measuring apparatus inlet water nozzle in the following overcoat 2-1-3, flow is injected in the water nozzle 2-3 of bottom control in middle overcoat 2-1-2, be provided with current stabilization passage 2-11 on water nozzle 2-3 top, flow transmitter 2-4 measures by the flow behind the water nozzle 2-3 and can write down positive beam amount and the anti-flow of telling, its effect of fluid hole 2-13 is that the injection water after water nozzle 2-3 control injects the stratum thus, upward pressure sensor 2-5 in the last overcoat 2-1-1 measures the pressure of oil sets annular space, and the data of data acquisition process memory 6 pass to ground by data output interface 2-8 and cable.
The flow transmitter of laminated distributor under well water filling of the present invention allotment instrument 2 possesses just annotates, the anti-discharge record function of telling cooperates the pressure record value can judge the sealing situation of packer.
Claims (2)
1, separated-zone water infection oil field well underground water-injection tubing string and supporting testing arrangement, it is formed by becoming control formula eccentric injection mandrel (1) and laminated distributor under well water filling allotment instrument (2); Becoming control formula eccentric injection mandrel (1) is made up of top connection (1-1), sealing ring (1-2), upper joint sleeve (1-3), centralizer body (1-4), seating nipple main body (1-5), lower joint sleeve (1-6), screw (1-7), support (1-8), guide way (1-9), bolt (1-10), lower contact (1-11); The lower end that it is characterized in that top connection (1-1) is threaded with the upper end of upper joint sleeve (1-3), be provided with sealing ring (1-2) between the junction of top connection (1-1) and upper joint sleeve (1-3), centralizer body (1-4) is located in the upper joint sleeve (1-3), the upper end of seating nipple main body (1-5) is threaded with the lower end of upper joint sleeve (1-3), fixedlyed connected by screw (1-7) with the upper end of lower joint sleeve (1-6) in the lower end of seating nipple main body (1-5), the lower end of lower joint sleeve (1-6) is threaded with the upper end of lower contact (1-11), support (1-8) is fixed in the lower contact (1-11), guide way (1-9) is fixed in the support (1-8) by bolt (1-10), be provided with centre bore (1-12) in the seating nipple main body (1-5), the hole wall upper end of centre bore (1-12) has annular recess (1-15), be provided with eccentric orfice (1-14) in one side of the seating nipple main body (1-5) between centre bore (1-12) and outer wall, opposite side in the seating nipple main body (1-5) between centre bore (1-12) and outer wall is provided with semi-circular passage (1-13), have through hole (1-16) on the outer wall of the seating nipple main body (1-5) of eccentric orfice (1-14) upper end, have through hole (1-17) between the lower end of eccentric orfice (1-14) and the centre bore (1-12), be provided with in the seating nipple main body (1-5) of centre bore (1-12) lower end and set step (1-18), laminated distributor under well water filling allotment instrument (2) is arranged in the centre bore (1-12) of seating nipple main body (1-5).
2, separated-zone water infection oil field well underground water-injection tubing string according to claim 1 and supporting testing arrangement is characterized in that laminated distributor under well water filling allotment instrument (2) is by overcoat (2-1), lower pressure sensor (2-2), water nozzle (2-3), flow transmitter (2-4), upward pressure sensor (2-5), data acquisition process memory (2-6), high-energy battery (2-7), data output interface (2-8), locating detent (2-9), inlet opening (2-10), current stabilization passage (2-11), O-ring seals (2-12), fluid hole (2-13), cam lock (2-14), fishing head (2-15) is formed; Overcoat (2-1) is divided into three joints, promptly go up overcoat (2-1-1), middle overcoat (2-1-2) and following overcoat (2-1-3), fixedly connected with the lower end of fishing head (2-15) in the upper end of last overcoat (2-1-1), top one side of last overcoat (2-1-1) is fixed with cam lock (2-14), the opposite side on last overcoat (2-1-1) top is fixed with data output interface (2-8), bottom in the last overcoat (2-1-1) is fixed with upward pressure sensor (2-5), middle part in the last overcoat (2-1-1) is fixed with data acquisition process memory (2-6), top in the last overcoat (2-1-1) is fixed with high-energy battery (2-7), be provided with O-ring seals (2-12) in the annular groove of last overcoat (2-1-1) outer wall, have fluid hole (2-13) on the external wall of upper portion of middle overcoat (2-1-2), bottom in the middle overcoat (2-1-2) is fixed with water nozzle (2-3), be provided with current stabilization passage (2-11) in the middle overcoat (2-1-2) on water nozzle (2-3) top, be fixed with flow transmitter (2-4) in the middle overcoat (2-1-2) on current stabilization passage (2-11) top, be provided with O-ring seals (2-12) in the annular groove of middle overcoat (2-1-2) outer wall, the top of following overcoat (2-1-3) has inlet opening (2-10), be fixed with lower pressure sensor (2-2) in the following overcoat (2-1-3) of inlet opening (2-10) bottom, the bottom of following overcoat (2-1-3) is provided with locating detent (2-9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310107607 CN1270050C (en) | 2003-10-10 | 2003-10-10 | Oil field seperated layer water injection well underground water-injection tubular column and complete measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310107607 CN1270050C (en) | 2003-10-10 | 2003-10-10 | Oil field seperated layer water injection well underground water-injection tubular column and complete measuring apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1529038A true CN1529038A (en) | 2004-09-15 |
| CN1270050C CN1270050C (en) | 2006-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310107607 Expired - Fee Related CN1270050C (en) | 2003-10-10 | 2003-10-10 | Oil field seperated layer water injection well underground water-injection tubular column and complete measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1270050C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563985A (en) * | 2014-12-23 | 2015-04-29 | 中国石油天然气股份有限公司 | Digital separate injection testing and adjusting system and method |
| CN110067544A (en) * | 2019-06-05 | 2019-07-30 | 付吉平 | Bridge-type, which is surveyed, to be adjusted, tests envelope, surveys pressure integrated high-efficiency injection well downhole flow regulator |
| CN113464115A (en) * | 2021-07-08 | 2021-10-01 | 中海油田服务股份有限公司 | A formula of can passing through testing arrangement in pit for water injection well |
| CN113514241A (en) * | 2021-07-07 | 2021-10-19 | 中国石油化工股份有限公司 | Testing device for characteristic parameters of underground water distributor |
| CN115075786A (en) * | 2021-03-11 | 2022-09-20 | 中国石油天然气股份有限公司 | Segmented alternate injection tool, system and method for high-temperature high-pressure water injection well |
-
2003
- 2003-10-10 CN CN 200310107607 patent/CN1270050C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563985A (en) * | 2014-12-23 | 2015-04-29 | 中国石油天然气股份有限公司 | Digital separate injection testing and adjusting system and method |
| CN104563985B (en) * | 2014-12-23 | 2017-02-22 | 中国石油天然气股份有限公司 | Digital separate injection testing and adjusting system and method |
| CN110067544A (en) * | 2019-06-05 | 2019-07-30 | 付吉平 | Bridge-type, which is surveyed, to be adjusted, tests envelope, surveys pressure integrated high-efficiency injection well downhole flow regulator |
| CN110067544B (en) * | 2019-06-05 | 2024-03-15 | 东营市鑫吉石油技术有限公司 | Bridge type high-efficiency water distributor integrating measuring, sealing and pressure testing |
| CN115075786A (en) * | 2021-03-11 | 2022-09-20 | 中国石油天然气股份有限公司 | Segmented alternate injection tool, system and method for high-temperature high-pressure water injection well |
| CN115075786B (en) * | 2021-03-11 | 2023-09-26 | 中国石油天然气股份有限公司 | High-temperature high-pressure water injection well segmented wheel injection tool, system and method |
| CN113514241A (en) * | 2021-07-07 | 2021-10-19 | 中国石油化工股份有限公司 | Testing device for characteristic parameters of underground water distributor |
| CN113514241B (en) * | 2021-07-07 | 2024-04-09 | 中国石油化工股份有限公司 | Testing device for characteristic parameters of underground water distributor |
| CN113464115A (en) * | 2021-07-08 | 2021-10-01 | 中海油田服务股份有限公司 | A formula of can passing through testing arrangement in pit for water injection well |
| CN113464115B (en) * | 2021-07-08 | 2022-12-09 | 中海油田服务股份有限公司 | A formula of can passing through testing arrangement in pit for water injection well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1270050C (en) | 2006-08-16 |
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Granted publication date: 20060816 Termination date: 20101010 |