CN103696759A - Electric direct reading test sealing checking tool - Google Patents
Electric direct reading test sealing checking tool Download PDFInfo
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- CN103696759A CN103696759A CN201210366858.0A CN201210366858A CN103696759A CN 103696759 A CN103696759 A CN 103696759A CN 201210366858 A CN201210366858 A CN 201210366858A CN 103696759 A CN103696759 A CN 103696759A
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Abstract
The invention discloses an electric direct reading test sealing checking tool, which is designed for realizing the direct-reading type electric sealing checking of an underground packer of a separate injection well and improving the test efficiency and reliability. The electric direct reading test sealing checking tool consists of an upper joint, a magnetic positioning device (a coil assembly, magnetic steel and the like arranged in a sheath), an integrated controller (a power supply module connected with a control framework, a main control panel, motor, a magnetic positioning plate and the like), a motive power transmission mechanism (a motor connected with a lead screw, a position limiting slide block, a thrust slide block and the like), a positioning mechanism (a positioning claw connected with a middle joint), a pressure data collector (comprising a thrust slide block, a pressure sensor and the like) and a test sealing device (upper and lower rubber tubes connected with a sleeve, a mandrel and the like) through sequential connection. The electric direct reading test sealing checking tool has the advantages that the real-time observation sealing checking effect is realized in a ground direct reading mode, the sealing checking efficiency is high, the rubber tube packing and unpacking are controlled in an electric way, the sealing checking success rate is high, the magnetic positioning device is utilized for realizing the precise positioning, the positioning claw can open and withdraw at any time according to the instructions, and the goal of completing the test sealing checking in all layer positions through once well descending can be realized.
Description
Technical field
The present invention relates to a kind of electronic direct reading test and test envelope instrument, belong to water injection well in oil fields technical field of measurement and test.
Background technology
Meticulous seperated layer water injection is supplementary stratum energy in stratified reservoir development process, expands floood conformance volume, reduces interlayer difference and improve the most economical effective method of recovery ratio, mainly adopts packer that adjacent two intervals are separated, and realizes seperated layer water injection.Effectively setting seperated layer water injection is played a decisive role of packer, therefore, needs to carry out testing seal about packer after separate layer water injection string completion or before zonal testing allotment, to confirm the duty of packer.
At present, there is following problem in eccentric separated-injection technology: (1) needs to adopt steel wire operation handling repeatedly, realizes and setting and deblocking, and workload is large, and efficiency is low, and cartridge is easy to wearing and tearing, tests envelope crash rate and operating risk higher; (2) pressure adopting is counted memory-type, could propose ground playback of data and analyze after needing global test to complete, and real-time is poor; (3) rely on the Action of Gravity Field compression leather cup of weighted lever and instrument, realization sets, and sealing reliability is poor, and test error is large, and test effect is undesirable; (4) tester string is longer, and the handling capacity in high angle hole is declined, and test pulling difficulty increases.
Summary of the invention
The object of the present invention is to provide a kind of electronic direct reading test to test envelope instrument, it can realize the electronic envelope of testing of direct-reading of separate water injection well downhole packer, improves testing efficiency and testing reliability.
Concrete technical scheme of the present invention is as follows:
Electronic direct reading test is tested envelope instrument and is connected in sequence by top connection, magnetic orientation device, integrated control device, power drive mechanism, detent mechanism, pressure data harvester and test sealing device:
Magnetic orientation device top connection inner thread connects sheath, and sheath centre bore internal upper part is provided with socket, and in centre bore, bottom is provided with the magnet steel at coil assembly and two ends thereof; Top connection outer wall is threaded with adapter sleeve, and adapter sleeve bottom external screw thread connects casing.
Integrated control device is located in casing, controls skeleton and is connected by screw in sheath centre bore low side, controls skeleton and connects power module, master board and motor and magnetic orientation plate.
Poewr transmission mechanism is located in casing, motor upper end contact is controlled skeleton, lower end connects leading screw by shaft coupling, on leading screw, connect successively position limiting slide block and in establish the microswitch fixed mount of thrust bearing, microswitch fixed mount lower end pin connects the transition joint that top is provided with sealing clamp, and transition joint outer wall thread connects casing; The leading screw bottom pushing slide block that is threaded, pushing slide block bottom connects two symmetrical position-limitting pins.
The locating detent of detent mechanism is connected in transition joint by bearing pin.
In pressure data harvester, the symmetrical spacing hole in two of connecting cylinder upper ends is connected with pushing slide block position-limitting pin, in plug boot contact, establish the connector assembly of fixed plug, in connector assembly contact, establish the circuit casing of fixing type socket, circuit casing inner bolt Bonding pressure meter circuit board; The sensor shell extracorporeal thread of inside establishing pressure sensor is connected in circuit casing bottom.
On test sealing device, packing element upper end is compressed by volution, and internal thread is connected with the connecting cylinder of oil pressure pressure transmission hole, and lower end is compressed by volution, and internal thread is connected with the sleeve of strata pressure pressure transmission hole, connecting cylinder external screw thread branch sleeve; Connecting rod top is threadedly connected in sensor housing bottom outlet, and bottom is through the centre bore of the axle being connected by steady pin, and nut is threaded; Connecting cylinder external screw thread is connected and fixed axle sleeve, and lower rubber cylinder upper end is compressed by volution, and internal thread is connected and fixed axle sleeve, and lower end is compressed by volution, and internal thread connects axle.
Taper guiding device external screw thread connects axle bottom outlet.
Beneficial effect of the present invention is as follows:
Electronic direct reading test is tested envelope instrument and is adopted cable power supply, and move instruction signal, tests envelope effect with ground directly-reading mode real-time monitored, tests envelope efficiency high.Adopt the compression of fax mechanism and stretching packing element, set with deblocking safe and reliablely, packing element is not easy to wear, tests envelope success rate high.Utilize magnetic locator and locating detent double action to realize accurately location.Locating detent opens at any time or regains by instruction, and any interval is tested to envelope, realizes the test of all layers position of once having gone into the well and tests envelope.
Accompanying drawing explanation
Fig. 1 is that electronic direct reading test is tested envelope tool construction schematic diagram.
Fig. 2 is that electronic direct reading test is tested envelope instrument A-A generalized section.
Fig. 3 is that electronic direct reading test is tested envelope instrument B-B generalized section.
The specific embodiment
With reference to Fig. 1, embodiments of the invention are further illustrated:
Embodiment:
Electronic direct reading test is tested envelope instrument and is connected in sequence by top connection 1, magnetic orientation device 100, integrated control device 200, power drive mechanism 300, detent mechanism 400, pressure data harvester 500 and test sealing device 600:
Sheath 3 external screw threads of magnetic orientation device 100 connect top connection 1, and sheath 3 centre bore internal upper parts are provided with socket 2, and in centre bore, bottom is provided with the magnet steel 4 at coil assembly 5 and two ends thereof; Top connection 1 bottom outer wall is threaded with adapter sleeve 6, and adapter sleeve 6 bottom external screw threads connect casing 11.
Integrated control device 200 is located in casing 11, controls skeleton 7 and is connected by screw in sheath 3 centre bore low sides, controls skeleton 7 and connects power module 8, master board 9 and motor and magnetic orientation plate 10.
Poewr transmission mechanism 300 is located in casing 11, motor 12 upper end contacts are controlled skeleton 7, lower end connects leading screw 18 by shaft coupling 13, on leading screw 18, connect successively position limiting slide block 14 and in establish the microswitch fixed mount 15 of thrust bearing 16, microswitch fixed mount 15 lower end pins connect the transition joint 19 that top is provided with sealing clamp 17, and transition joint 19 outer wall threads connect casing 11; Leading screw 18 bottom thread connect pushing slide block 22, and pushing slide block 22 bottoms connect two symmetrical position-limitting pins 23.
The locating detent 21 of detent mechanism 400 is connected in transition joint 19 bottoms by bearing pin 20.
The symmetrical spacing hole in two of 29 upper ends of connecting cylinder of pressure data harvester 500 is connected with pushing slide block 22 position-limitting pins 23, in plug boot 43 contacts, establish the connector assembly 24 of fixed plug 25, in connector assembly 24 contacts, establish the circuit casing 27 of fixing type socket 26, circuit casing 27 inner bolt Bonding pressure meter circuit boards 28; Sensor housing 32 external screw threads of inside establishing pressure sensor 31 are connected in circuit casing 27 bottoms.
Upper packing element 33 upper ends of test sealing device 600 are compressed by volution 34, internal thread is connected with the connecting cylinder 29 of oil pressure pressure transmission hole 30, lower end is compressed by volution 34, and internal thread is connected with the sleeve 35 of strata pressure pressure transmission hole 44, connecting cylinder 29 external screw thread branch sleeves 35; Connecting rod 39 tops are threadedly connected in sensor housing 32 bottom outlets, and bottom is through the centre bore of the axle 38 being connected by steady pin 36, and nut 41 is threaded; Connecting cylinder 29 bottom external screw threads are connected and fixed axle sleeve 37, and lower rubber cylinder 40 upper ends are compressed by volution 34, and internal thread is connected and fixed axle sleeve 37, and lower end is compressed by volution 34, and internal thread connects axle 38.
Taper guiding device 42 external screw threads connect axle 38 bottom outlets.
The course of work that the electronic direct reading test of the present invention is tested envelope instrument is as follows:
When separated-zone water infection oil field tubing string need to be tested envelope, instrument of the present invention is lowered to oil pipe by the cable that connects top connection 1.In the process of going into the well, coil assembly 5 transmission of electromagnetic signals, because of tubing wall different with the thickness at box cupling place, so, the electromagnetic flux that electromagnetic sensor senses is different, motor and magnetic orientation plate 10 pass to ground control system by signal condition and conversion by digital signal encoding, to determine the particular location of instrument of the present invention.
When instrument of the present invention is transferred to the integrated concentric injection well downhole flow regulator of sealing section to be tested top 10-15 rice, power module 8 receives the command voltage of ground control system transmitting, the OPEN of 9 pairs of locating detents 21 of master board is carried out encoding and decoding, and the rotation command of motor and 10 pairs of motors 12 of magnetic orientation plate carries out encoding and decoding.Motor 12 forwards, under shaft coupling 13, position limiting slide block 14 and thrust bearing 16 effects, drive leading screw 18 rotations.When leading screw 18 promotion pushing slide block 22 and pin 23 are displaced downwardly to range, locating detent 21 is opened.
Pin 23 promotes connecting cylinder 29 and moves downward, and packing element 33 and lower rubber cylinder 40 are compressed and radial dilatation, and with injection well downhole flow regulator seating nipple inwall extruding laminating, realization test is tested envelope instrument and set.Motor 12 and leading screw 18 stop operating, and pushing slide block 22, pin 23 and connecting cylinder 29 stop moving downward.
Tubing pressure reaches pressure sensor 31 by the oil pressure pressure transmission hole 30 on connecting cylinder 29, strata pressure reaches pressure sensor 31 by strata pressure pressure transmission hole 44, pressure sensor 31 is sent to pressure gauge circuit board 28 by signal, pressure gauge circuit board 28 converts signal data signal to and reaches ground data acquisition processing system, to show in real time tubing pressure and the strata pressure of downhole testing position.
At well head, carry out oco or the operation of on/off-pass, if test zone packer effectively sets, tubing pressure and strata pressure can produce pressure reduction, show that tubing pressure and strata pressure obviously separate, otherwise two pressure curves overlap completely on pressure curve.
After direct-reading is tested and sealed, ground control system sends deblocking instruction, and 10 pairs of motor 12 rotation commands of motor and magnetic orientation plate carry out encoding and decoding.Motor 12 reversions, under shaft coupling 13, position limiting slide block 14 and thrust bearing 16 effects, drive leading screw 18 rotations.While moving to range on leading screw 18 drive pushing slide block 22 and pin 23, pull connecting cylinder 29 to move up, packing element 33 and lower rubber cylinder 40 on axial tension, reset it, realizes deblocking.Motor 12 continues to drive leading screw 18 reversions, makes to move in pushing slide block 22 continuation, drives locating detent 21 to regain.
Then, cable is taken instrument of the present invention and is entered next injection well downhole flow regulator, proceeds to test envelope, until complete all envelope tasks of testing.Finally, cable proposes well head by instrument of the present invention, dismounting clean and reuse.
Claims (2)
1. electronic direct reading test is tested an envelope instrument, it is characterized in that:
Electronic direct reading test is tested envelope instrument and is connected in sequence by top connection (1), magnetic orientation device (100), integrated control device (200), power drive mechanism (300), detent mechanism (400), pressure data harvester (500) and test sealing device (600):
Magnetic orientation device (100) sheath (3) external screw thread connects top connection (1), and sheath (3) centre bore internal upper part is provided with socket (2), and in centre bore, bottom is provided with the magnet steel (4) at coil assembly (5) and two ends thereof; Top connection (1) outer wall is threaded with adapter sleeve (6), and adapter sleeve (6) bottom external screw thread connects casing (11);
Integrated control device (200) is located in casing (11), control skeleton (7) and be connected by screw in sheath (3) centre bore low side, control skeleton (7) and connect power module (8), master board (9) and motor and magnetic orientation plate (10);
Poewr transmission mechanism (300) is located in casing (11), motor (12) upper end contact is controlled skeleton 7, lower end connects leading screw (18) by shaft coupling (13), on leading screw (18), connect successively position limiting slide block (14) and in establish the microswitch fixed mount (15) of thrust bearing (16), microswitch fixed mount (15) lower end pin connects the transition joint (19) that top is provided with sealing clamp (17), and transition joint (19) outer wall thread connects casing (11); Leading screw (18) the bottom pushing slide block (22) that is threaded, pushing slide block (22) bottom connects two symmetrical position-limitting pins (23);
The locating detent (21) of detent mechanism (400) is connected in transition joint (19) by bearing pin (20);
The symmetrical spacing hole in two of upper ends of pressure data harvester (500) connecting cylinder (29) is connected with pushing slide block (22) position-limitting pin (23), in plug boot 43 contacts, establish the connector assembly (24) of fixed plug (25), in connector assembly (24) contact, establish the circuit casing (27) of fixing type socket (26), circuit casing (27) inner bolt Bonding pressure meter circuit board (28); Sensor housing (32) external screw thread of inside establishing pressure sensor (31) is connected in circuit casing (27) bottom;
The upper packing element (33) of test sealing device (600) upper end is compressed by volution (34), internal thread is connected with the connecting cylinder (29) of oil pressure pressure transmission hole (30), lower end is compressed by volution (34), internal thread is connected with the sleeve (35) of strata pressure pressure transmission hole (44), connecting cylinder (29) external screw thread branch sleeve (35); Connecting rod (39) top is threadedly connected in sensor housing (32) bottom outlet, and bottom is through the centre bore of the axle (38) being connected by steady pin (36), the nut that is threaded (41); Connecting cylinder (29) bottom external screw thread is connected and fixed axle sleeve (37), lower rubber cylinder (40) upper end is compressed by volution (34), internal thread is connected and fixed axle sleeve (37), and lower end is compressed by volution (34), and internal thread connects axle (38);
Taper guiding device (42) external screw thread connects axle (38) bottom outlet.
2. electronic direct reading test as claimed in claim 1 is tested envelope instrument, it is characterized in that this instrument adopts cable power supply, and move instruction signal, tests envelope effect with ground directly-reading mode real-time monitored, tests envelope efficiency high; Adopt the compression of fax mechanism and stretching packing element, set with deblocking safe and reliablely, packing element is not easy to wear, tests envelope success rate high; Utilize magnetic locator and locating detent double action to realize accurately location; Locating detent opens at any time or regains by instruction, and any interval is tested to envelope, realizes the test of all layers position of once having gone into the well and tests envelope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210366858.0A CN103696759B (en) | 2012-09-28 | 2012-09-28 | Electronic direct reading test tests envelope instrument |
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| CN201210366858.0A CN103696759B (en) | 2012-09-28 | 2012-09-28 | Electronic direct reading test tests envelope instrument |
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| CN103696759A true CN103696759A (en) | 2014-04-02 |
| CN103696759B CN103696759B (en) | 2016-08-03 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453860A (en) * | 2014-10-30 | 2015-03-25 | 贵州航天凯山石油仪器有限公司 | Sealing detecting method and device of water injection well packer |
| CN104863568A (en) * | 2015-06-01 | 2015-08-26 | 方永和 | Layered testing and adjustment process for injection well |
| CN105089619A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Electric seal examining method for bridge-type concentric separate injection tubing string and electric seal examining device |
| CN109356541A (en) * | 2018-12-11 | 2019-02-19 | 陕西华晨石油科技有限公司 | Electronic dispensing pipe nipple and put-on method |
| CN110318730A (en) * | 2019-06-25 | 2019-10-11 | 中国石油化工股份有限公司 | The multi-functional downhole probe testing stand of high-freedom degree |
| CN110469282A (en) * | 2019-07-21 | 2019-11-19 | 中国海洋石油集团有限公司 | A kind of electronic setting tool |
| CN110863796A (en) * | 2019-12-11 | 2020-03-06 | 贵州航天凯山石油仪器有限公司 | Electric pressure relief method and device for sealing section |
| CN110886603A (en) * | 2018-09-07 | 2020-03-17 | 中国石油化工股份有限公司 | Intelligent five-parameter seal checking instrument for separate injection well |
| CN111946282A (en) * | 2020-08-20 | 2020-11-17 | 阜新市石油工具厂 | Packer (CN) |
| CN115450581A (en) * | 2022-10-28 | 2022-12-09 | 四川航天烽火伺服控制技术有限公司 | Electric setting tool |
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| CN1940251A (en) * | 2005-09-28 | 2007-04-04 | 杨朝杰 | Intelligent seal-verifying flow adjustment and adjuster |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089619A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Electric seal examining method for bridge-type concentric separate injection tubing string and electric seal examining device |
| CN104453860A (en) * | 2014-10-30 | 2015-03-25 | 贵州航天凯山石油仪器有限公司 | Sealing detecting method and device of water injection well packer |
| CN104863568A (en) * | 2015-06-01 | 2015-08-26 | 方永和 | Layered testing and adjustment process for injection well |
| CN104863568B (en) * | 2015-06-01 | 2017-09-26 | 方永和 | Injection well zonal testing and allocating technology |
| CN110886603A (en) * | 2018-09-07 | 2020-03-17 | 中国石油化工股份有限公司 | Intelligent five-parameter seal checking instrument for separate injection well |
| CN110886603B (en) * | 2018-09-07 | 2023-08-04 | 中国石油化工股份有限公司 | Five-parameter intelligent seal inspection instrument for separate injection well |
| CN109356541A (en) * | 2018-12-11 | 2019-02-19 | 陕西华晨石油科技有限公司 | Electronic dispensing pipe nipple and put-on method |
| CN110318730A (en) * | 2019-06-25 | 2019-10-11 | 中国石油化工股份有限公司 | The multi-functional downhole probe testing stand of high-freedom degree |
| CN110469282A (en) * | 2019-07-21 | 2019-11-19 | 中国海洋石油集团有限公司 | A kind of electronic setting tool |
| CN110469282B (en) * | 2019-07-21 | 2021-07-27 | 中国海洋石油集团有限公司 | Electric setting tool |
| CN110863796A (en) * | 2019-12-11 | 2020-03-06 | 贵州航天凯山石油仪器有限公司 | Electric pressure relief method and device for sealing section |
| CN110863796B (en) * | 2019-12-11 | 2023-11-07 | 贵州航天凯山石油仪器有限公司 | Electric pressure relief method and device for sealing section |
| CN111946282A (en) * | 2020-08-20 | 2020-11-17 | 阜新市石油工具厂 | Packer (CN) |
| CN115450581A (en) * | 2022-10-28 | 2022-12-09 | 四川航天烽火伺服控制技术有限公司 | Electric setting tool |
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