CN201908649U - Dynamic pressure testing device of downward-hanging type composite bullet perforator unit - Google Patents
Dynamic pressure testing device of downward-hanging type composite bullet perforator unit Download PDFInfo
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- CN201908649U CN201908649U CN2010206536448U CN201020653644U CN201908649U CN 201908649 U CN201908649 U CN 201908649U CN 2010206536448 U CN2010206536448 U CN 2010206536448U CN 201020653644 U CN201020653644 U CN 201020653644U CN 201908649 U CN201908649 U CN 201908649U
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Abstract
The utility model relates to the field of oil gas well logging, belongs to a device which is used for testing pressure change of a composite bullet perforator unit after perforation, and resolves the problem that the prior art cannot simulate downhole conditions to test downward-hanging type composite bullet perforator units. The device mainly consists of a testing kettle 1, a target 2 and a downward-hanging type composite bullet perforator unit 3, wherein the downward-hanging type composite bullet perforator unit 3 is mounted in the testing kettle 1, and the target 2 is connected with the testing kettle 1 via screws. The dynamic pressure testing device is mainly used for simulating dynamic pressure test of downward-hanging type composite bullet perforator units for oil gas wells, and has the advantages that the device is simple and novel in structure, can test pressure change in an annulus generated by the downward-hanging type composite bullet perforator unit and the target under the condition of a simulated shaft, and the like.
Description
Technical field: the utility model relates to oil gas borehole logging tool field, belongs to a kind of device that pressure changes behind the test compound perforator unit perforation that is used for.
Background technology: existing built-in composite perforator unit dynamically pressure testing device, the position of its test point is in the side of preforation tunnel, very big with the test position difference of down-hole p-t instrument, therefore the difference as a result of test is also very big, does not also have the artificial ground test experimental rig of hanging composite perforator unit down at present both at home and abroad.In order to realize indoor test, developed composite perforator unit dynamically pressure testing device, but this device artificial ground, pressure Changing Pattern behind the test compound perforator unit perforation.P-t instrument position measurement composite perforator unit dynamic pressure under all right simulation well.
Summary of the invention: the purpose of this utility model provides can artificial ground, and test is a kind of hanging composite perforator unit dynamically pressure testing device down of hanging composite perforator unit dynamic pressure down.
Experimental rig of the present utility model by test kettle, target body, hang the composite perforator unit down and form, wherein hanging composite perforator unit is installed in the test kettle down, target body with test kettle and be connected by screw; The test kettle is mainly by housing, the pressurize end cap on right side, the end cap that detonates in left side is formed, its middle shell inner chamber is a cylindrical vessel, the end cap that detonates in the pressurize end cap on right side and left side links to each other with housing by screw thread, there is through hole to be connected below the housing with target body, the through hole center overlaps with target body perforation end center, through hole center and test kettle intracoelomic cavity axes intersect are divided into two parts, radially interface is provided with first sensor test hole, the instrument connection of second sensor is established on the right side successively, the instrument connection of the 3rd sensor, locating hole, the test kettle has been provided with blast hole with the left end cap of following hanging composite perforator unit matching, and right end cap is provided with connecting hole; Target body mainly is made up of low carbon steel plate, consolidating agent, sandstone target, cylindrical shell, fluid flow distributor, wherein connects consolidating agent in the low carbon steel plate of target body perforation end, connects the sandstone target in the consolidating agent; Connect the sandstone target in the box hat of target body sidepiece, the external fluid flow distributor of sandstone target of the non-perforation end of target body, the target body side is provided with side through hole, the bottom is provided with end through hole; Under hang the composite perforator unit mainly by perforating gun head, pressure break gunpowder box, perforating bullet, the body of a gun, in connect, pressure break stick, bear gun, gun breech form, wherein perforating bullet, pressure break gunpowder are box-packed on the firing mount of rifle head, the rifle head, in connect the left end head and link to each other with the body of a gun by screw thread; In connect the right-hand member head, gun breech links to each other with bear gun by screw thread, the pressure break stick is installed in the bear gun.
The bear gun side has a plurality of through holes to communicate with annular space.The structure of sandstone target is the multi-pore structure of simulated oil gas-bearing formation.
The instrument connection of first sensor test hole, second sensor, the instrument connection of the 3rd sensor all can be connected accumulator with connecting hole.Side through hole can be connected sensor with end through hole, also can connect accumulator.
The utility model has following advantage compared with prior art:
1), the utility model utilizes the state that accumulator, sandstone target can analog composite perforator perforation in actual pit shaft;
2), it can artificial ground, test is the pressure Changing Pattern behind the hanging composite perforator unit perforation down.
Description of drawings: Fig. 1 is overall structure sketch of the utility model; Fig. 2 is test kettle 1 structure diagram; Fig. 3 is target body 2 structure diagrams; Fig. 4 is following hanging composite perforator unit 3 structure diagrams.
The specific embodiment: the utility model is done further auspicious stating below in conjunction with accompanying drawing: experimental rig of the present utility model by test kettle 1, target body 2, hang composite perforator unit 3 down and form, wherein hanging composite perforator unit 3 is installed in the test kettle 1 down, and target body 2 is connected by screw with test kettle 1; Test kettle 1 is mainly by housing 4, the pressurize end cap 5 on right side, the end cap 6 that detonates in left side is formed, its middle shell 4 inner chambers are cylindrical vessel, the end cap 6 that detonates in the pressurize end cap 5 on right side and left side links to each other with housing 4 by screw thread, there is through hole 11 to be connected below the housing 4 with target body 2, through hole 11 centers overlap with target body 2 perforation end centers, through hole 11 centers are divided into two parts with test kettle 1 inner chamber axes intersect, radially interface is provided with first sensor test hole 7, the instrument connection 8 of second sensor is established on the right side successively, the instrument connection 9 of the 3rd sensor, locating hole 10, test kettle 1 has been provided with blast hole 12 with the left end cap 6 that following hanging composite perforator unit 3 cooperates, and right end cap 5 is provided with connecting hole 13; Target body 2 mainly is made up of low carbon steel plate 14, consolidating agent 15, sandstone target 16, cylindrical shell 17, fluid flow distributor 19, wherein connects consolidating agent 15 in the low carbon steel plate 14 of target body 2 perforation ends, connects sandstone target 16 in the consolidating agent 15; Connect sandstone target 16 in the box hat 17 of target body 2 sidepieces, the sandstone target 16 external fluid flow distributors 19 of target body 2 non-perforation ends, target body 2 sides are provided with side through hole 18, the bottom is provided with end through hole 20; Under hang composite perforator unit 3 mainly by perforating gun head 21, pressure break gunpowder box 22, perforating bullet 23, the body of a gun 24, in connect 25, pressure break stick 26, bear gun 27, gun breech 28 form, wherein perforating bullet 23, pressure break gunpowder box 22 are contained on the firing mount of rifle head 21, rifle head 21, in connect 25 left end heads and link to each other with the body of a gun 24 by screw thread; In connect 25 right-hand member heads, gun breech 28 links to each other with bear gun 27 by screw thread, pressure break stick 26 is installed in the bear gun 27.
Bear gun 27 sides have a plurality of through holes to communicate with annular space.The structure of sandstone target 16 is multi-pore structures of simulated oil gas-bearing formation.The instrument connection 8 of first sensor test hole 7, second sensor, the instrument connection 9 of the 3rd sensor all can be connected accumulator with connecting hole 13.Side through hole 18 can be connected sensor with end through hole 20, also can connect accumulator.
When on-the-spot test was used, packed into and test in the kettle 1 in the following extension composite perforator unit 3 that at first will assemble, alignment pin is screwed in locating hole 10, guarantees to hang down composite perforator unit 3 correct positions.Left end cap 6, right end cap 5 are installed, will be tested kettle 1 and be connected with target body 2.The blast hole 12 that rises by left end cap 6 is drawn detonating cord and sealing, connects accumulator on the connecting hole 13 of right end cap 5, and instrument connection by the 3rd sensor 9 pours into clear water to annular space.
Secondly be chosen in first sensor test hole 7 of housing 4 and the side through hole 18 setting pressure sensors of target body 2 as required.Can pressurize by test requirements document, the system for the treatment of detonates after being in the triggering state.Perforating bullet 23 at first detonates, perforating bullet 23 is lighted and is split gunpowder box 22, light the gunpowder 26 in the bear gun then, perforating bullet 23 detonations form shock wave and propagate towards periphery, perforating bullet 23 blasts make on the body of a gun 24 and produce preforation tunnel, make simultaneously on the target body 2 and produce the perforation tunnel, the detonation product of Sheng Chenging expands rapidly and is released by the preforation tunnel on the body of a gun 24 subsequently, annular pressure is increased and imports perforation tunnel on the target body 2 into; The gunpowder of lighting is with Millisecond burning and form high temperature and high pressure gas and enter annular space by the through hole on the body of a gun 24, annular pressure is increased and imports perforation tunnel on the target body 2 into.Receive by the pressure sensor on annular space and the target body 2, can obtain down annular space that hanging composite perforator unit 3 forms and the pressure history in the target body 2 under the simulation wellbore hole condition.
Claims (5)
1. one kind is descended hanging composite perforator unit dynamically pressure testing device, it is characterized in that: it by test kettle (1), target body (2), hang composite perforator unit (3) down and form, wherein hanging composite perforator unit (3) is installed in the test kettle (1) down, and target body (2) is connected by screw with test kettle (1); Test kettle (1) is mainly by housing (4), the pressurize end cap (5) on right side, the end cap that detonates (6) in left side is formed, its middle shell (4) inner chamber is the cylindrical vessel of analog casing internal diameter, the pressurize end cap (5) on right side and the end cap that detonates (6) in left side link to each other with housing (4) by screw thread, there is through hole (11) to be connected below the housing (4) with target body (2), through hole (11) center overlaps with target body (2) perforation end center, through hole (11) center is divided into two parts with test kettle (1) inner chamber axes intersect, radially interface is provided with first sensor test hole (7), the instrument connection (8) of second sensor is established on the right side successively, the instrument connection of the 3rd sensor (9), locating hole (10), test kettle (1) has been provided with blast hole (12) with the left end cap (6) that following hanging composite perforator unit (3) cooperates, and right end cap (5) is provided with connecting hole (13); The fluid flow distributor (19) of the sandstone target (16) of the main low carbon steel plate (14) by analog casing of target body (2), consolidating agent (15), simulated formation, cylindrical shell (17), simulated formation liquid flow is formed, wherein connect consolidating agent (15) in the low carbon steel plate (14) of target body (2) perforation end, connect sandstone target (16) in the consolidating agent (15), connect sandstone target (16) in the box hat (17) of target body (2) sidepiece, the external fluid flow distributor of sandstone target (16) (19) of the non-perforation end of target body (2), target body (2) side is provided with side through hole (18), the bottom is provided with end through hole (20); Under hang composite perforator unit (3) mainly by perforating gun head (21), pressure break gunpowder box (22), perforating bullet (23), the body of a gun (24), in connect (25), pressure break stick (26), bear gun (27), gun breech (28) is formed, wherein perforating bullet (23), pressure break gunpowder box (22) are contained on the firing mount of rifle head (21), rifle head (21), in connect (25) left end head and link to each other with the body of a gun (24) by screw thread, in connect (25) right-hand member head, gun breech (28) links to each other with bear gun (27) by screw thread, pressure break stick (26) is installed in the bear gun (27).
2. a kind of hanging composite perforator unit dynamically pressure testing device down according to claim 1, its feature also is: bear gun (27) side has a plurality of through holes to communicate with annular space.
3. a kind of hanging composite perforator unit dynamically pressure testing device down according to claim 1, its feature also is: the structure of sandstone target (16) is the multi-pore structure of simulated oil gas-bearing formation.
4. a kind of hanging composite perforator unit dynamically pressure testing device down according to claim 1, its feature also is: the instrument connection (8) of first sensor test hole (7), second sensor, the instrument connection (9) of the 3rd sensor all can be connected accumulator with connecting hole (13).
5. a kind of hanging composite perforator unit dynamically pressure testing device down according to claim 1, its feature also is: side through hole (18) can be connected sensor with end through hole (20), also can connect accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206536448U CN201908649U (en) | 2010-12-13 | 2010-12-13 | Dynamic pressure testing device of downward-hanging type composite bullet perforator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206536448U CN201908649U (en) | 2010-12-13 | 2010-12-13 | Dynamic pressure testing device of downward-hanging type composite bullet perforator unit |
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| CN201908649U true CN201908649U (en) | 2011-07-27 |
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| CN2010206536448U Expired - Fee Related CN201908649U (en) | 2010-12-13 | 2010-12-13 | Dynamic pressure testing device of downward-hanging type composite bullet perforator unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899040A (en) * | 2019-04-24 | 2019-06-18 | 西安瑞通能源科技有限公司 | A kind of oil/gas well simulation perforation tunnel Pressure behaviour detection device and method |
| CN110905492A (en) * | 2019-11-06 | 2020-03-24 | 大庆油田有限责任公司 | Ultrahigh-pressure hydraulic perforation ground comprehensive mold experimental device |
| US20210181372A1 (en) * | 2018-12-28 | 2021-06-17 | Halliburton Energy Services, Inc. | Instrumented fracturing target for data capture of simulated well |
-
2010
- 2010-12-13 CN CN2010206536448U patent/CN201908649U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210181372A1 (en) * | 2018-12-28 | 2021-06-17 | Halliburton Energy Services, Inc. | Instrumented fracturing target for data capture of simulated well |
| US11598899B2 (en) * | 2018-12-28 | 2023-03-07 | Halliburton Energy Services, Inc. | Instrumented fracturing target for data capture of simulated well |
| CN109899040A (en) * | 2019-04-24 | 2019-06-18 | 西安瑞通能源科技有限公司 | A kind of oil/gas well simulation perforation tunnel Pressure behaviour detection device and method |
| CN109899040B (en) * | 2019-04-24 | 2024-08-20 | 西安瑞通能源科技有限公司 | Device and method for dynamically detecting pressure of simulated perforation tunnels of oil and gas wells |
| CN110905492A (en) * | 2019-11-06 | 2020-03-24 | 大庆油田有限责任公司 | Ultrahigh-pressure hydraulic perforation ground comprehensive mold experimental device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20181213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |