CN105350946A - Shaft-target combined device for perforation flow test - Google Patents
Shaft-target combined device for perforation flow test Download PDFInfo
- Publication number
- CN105350946A CN105350946A CN201510716248.2A CN201510716248A CN105350946A CN 105350946 A CN105350946 A CN 105350946A CN 201510716248 A CN201510716248 A CN 201510716248A CN 105350946 A CN105350946 A CN 105350946A
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- CN
- China
- Prior art keywords
- hole
- end cover
- perforation
- simulated
- pressure container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The present invention relates to the oil and gas well logging field, and belongs to a shaft-target combined device for perforation flow tests. The problem that the conventional devices are complicated in assembly and poor in reliability is solved. The shaft-target combined device is composed of a simulated shaft (1), a simulated perforator unit (2), a simulated target device (3), a liquid supply pipeline (4) and a pressure vessel end cover (5), wherein upper and lower ends of the simulated shaft (1) are in threaded connection with the pressure vessel end cover (5) and the simulated target device (3), the simulated perforator unit (2) is placed inside the simulated shaft (1), and the liquid supply pipeline (4) are in threaded connection with the simulated target device (3) and the pressure vessel end cover (5). The shaft-target combined device provided by the present invention has the advantages of being capable of simulating underground three pressures and directly carrying out a flow test after perforation, and being accurate in perforation position, simple in structure, convenient to operate and excellent in reliability.
Description
Technical field
The present invention relates to Oil/gas Well well logging field, belong to a kind of perforation flow test pit shaft-target combination unit.
Background technology
At present, the content of the patent of invention of Xinjiang Petroleum Administrative Bureau Well Logging Co., Ltd-" a kind of perforator method of inspection and for this method of inspection and device " relates to perforated hole pressure, the pore pressure of target and confined pressure, because perforator, target to be arranged in two different-diameters, the pressure vessel that can independently pressurize by this device, complex structure, operating difficulties.Analogue perforation device unit, simulation wellbore hole and simulated target device organically combine by the present invention, test, perforation under artificial ground, and carry out flowing test in the pressure vessel under under the high temperature conditions available or normal temperature condition.
Summary of the invention
The object of the invention is the scheme adopting the combination of simulation wellbore hole-analogue perforation device unit-target, devise a kind of perforation flow test pit shaft-target combination unit being applicable to carry out in test room under high-temperature and high-pressure conditions.
Content of the present invention is: it is made up of simulation wellbore hole, analogue perforation device unit, simulated target device, feed flow pipeline and end cover of pressure container, wherein simulation wellbore hole upper and lower side is threaded with end cover of pressure container, simulated target device respectively, analogue perforation device unit is placed in simulation wellbore hole, and feed flow pipeline is threaded with simulated target device, end cover of pressure container respectively;
Simulation wellbore hole is simulated steel plate, cement sheath simulated block and connection end formed by seal, snubber, through hole, cylindrical shell, support, interconnection arrangement, sleeve pipe, wherein snubber there is through hole, seal is had between snubber and cylindrical shell, cylindrical shell lower end is connected with interconnection arrangement by screw thread and seal, support is in interconnection arrangement upper end, have seal, sleeve pipe to simulate steel plate and cement sheath simulated block in groove below interconnection arrangement, connection end is a jag of interconnection arrangement lower end;
Analogue perforation device unit is made up of bottom end cover, firing mount, perforating bullet, detonating fuse, detonator, the body of a gun, stem and upper end cover, wherein rifle upper end cover, rifle bottom end cover are threaded with the body of a gun, perforating bullet is fixed on rifle bottom end cover by firing mount, perforating bullet there is detonating fuse, the other end of detonating fuse has detonator, and the detonating cord of detonator is connected on stem;
Simulated target device is made up of nut, fixator, connecting rod, rubber sleeve, sandstone, fluid flow distributor, cavity, inlet opening and through hole, wherein rubber sleeve one end is connected on connection end by fixator, the other end is by fixator connecting fluid fluidic distributor, sandstone is had in rubber sleeve, by connecting rod and nut, interconnection arrangement, sandstone and fluid flow distributor are fixed, have cavity in fluid flow distributor, fluid flow distributor one end has through hole to communicate with sandstone, and the other end has inlet opening;
Pressure vessel end has covered through hole and prap, and wherein through hole is in the marginal portion of end cover of pressure container, and through hole, prap are at the core of end cover of pressure container;
Feed flow pipeline is threaded with end cover of pressure container by through hole, and feed flow pipeline is threaded with fluid flow distributor by inlet opening; Simulation wellbore hole is sealed by seal and end cover of pressure container.
The top of analogue perforation device unit can also replace detonating fuse and detonator with priming device.
Fixator can also be the fastening devices of other shape.
Through hole on the contact surface of fluid flow distributor and sandstone can also be multiple, and its contact surface can also be the face having radial distribution guiding gutter.
The present invention compared with the prior art tool has the following advantages:
The present invention adopts independent pit shaft design, and analogue perforation device-pit shaft-target has been carried out integrated design, perforation under well pressure, pore pressure and the confined pressure condition of realization under simulation well, carry out by target pit shaft or by the flowing of pit shaft to target, can lower three pressure of simulation well, perforation accurate positioning, directly carry out flowing test after perforation, structure is simple, easy to operate, good reliability.
accompanying drawing illustrates:fig. 1 is overall structure sketch of the present invention; Fig. 2 is detailed structure view of the present invention.
detailed description of the invention:below in conjunction with accompanying drawing, the invention will be further described: it is made up of simulation wellbore hole 1, analogue perforation device unit 2, simulated target device 3, feed flow pipeline 4 and end cover of pressure container 5, wherein simulation wellbore hole 1 upper and lower side is threaded with end cover of pressure container 5, simulated target device 3 respectively, analogue perforation device unit 2 is placed in simulation wellbore hole 1, and feed flow pipeline 4 is threaded with simulated target device 3, end cover of pressure container 5 respectively;
Simulation wellbore hole 1 is simulated steel plate 14, cement sheath simulated block 15 and connection end 23 formed by seal 6, snubber 7, through hole 8, cylindrical shell 9, support 10, interconnection arrangement 12, sleeve pipe, wherein snubber 7 there is through hole 8, seal 6 is had between snubber 7 and cylindrical shell 9, cylindrical shell 9 lower end is connected with interconnection arrangement 12 by screw thread and seal 6, support 10 is in interconnection arrangement 12 upper end, have seal 6, sleeve pipe to simulate steel plate 14 and cement sheath simulated block 15 in groove below interconnection arrangement 12, connection end 23 is a jag of interconnection arrangement 12 lower end;
Analogue perforation device unit 2 is made up of bottom end cover 24, firing mount 25, perforating bullet 26, detonating fuse 27, detonator 28, the body of a gun 29, stem 30 and upper end cover 31, wherein rifle upper end cover 31, rifle bottom end cover 24 are threaded with the body of a gun 29, perforating bullet 26 is fixed on rifle bottom end cover 24 by firing mount 25, perforating bullet 26 there is detonating fuse 27, the other end of detonating fuse 27 has detonator 28, and the detonating cord of detonator 28 is connected on stem 30;
Simulated target device 3 is made up of nut 11, fixator 13, connecting rod 16, rubber sleeve 17, sandstone 18, fluid flow distributor 19, cavity 20, inlet opening 21 and through hole 22, wherein rubber sleeve 17 one end is connected on connection end 23 by fixator 13, the other end is by fixator 13 connecting fluid fluidic distributor 19, sandstone 18 is had in rubber sleeve 17, by connecting rod 16 and nut 11, interconnection arrangement 12, sandstone 18 and fluid flow distributor 19 are fixed, cavity 20 is had in fluid flow distributor 19, fluid flow distributor 19 one end has through hole 22 to communicate with sandstone 18, and the other end has inlet opening 21;
End cover of pressure container 5 has through hole 32, through hole 34 and prap 33, wherein through hole 32 is in the marginal portion of end cover of pressure container 5, and through hole 34, prap 33 are at the core of end cover of pressure container 5;
Feed flow pipeline 4 is threaded with end cover of pressure container 5 by through hole 32, and feed flow pipeline 4 is threaded with fluid flow distributor 19 by inlet opening 21; Simulation wellbore hole 1 is sealed by seal 6 and end cover of pressure container 5.
The top of analogue perforation device unit 2 can also replace detonating fuse 27 and detonator 28 with priming device.
Fixator 16 can also be the fastening devices of other shape.
Fluid flow distributor 19 can also be multiple with the through hole 22 on the contact surface of sandstone 18, and its contact surface can also be the face having radial distribution guiding gutter.
During test, first assemble this device.Qualified sandstone 18 is assembled in simulated target device 3, test perforating bullet 26 is assembled in analogue perforation device unit 2, simulation wellbore hole 1 is put in analogue perforation device unit 2, with detonating cord through through hole 8 connecting lead wire post 30 and prap 33, simulation wellbore hole 1 is arranged on end cover of pressure container 5, connects feed flow pipeline 4.
Secondly this device is put into corresponding pressure vessel, set up test conditions, perforation.Inject fluid by through hole 32 to pressurize to sandstone 18, set up the pore pressure of simulated formation; Inject fluid by through hole 34 to pressurize to the analogue perforation device unit 2 in pit shaft, set up simulation well pressure; By pressurizeing to simulated target device 3, for sandstone 18 sets up confined pressure to injecting fluid in test chamber; Also can heat to this device by test chamber.Temperature, malleation, negative pressure and equilibrium pressure that can be actual under simulation well, detonate after the pressure of test requirements document to be achieved or temperature analogue perforation device unit 2 perforation.
Again carry out flowing test.Pressurize from through hole 32 and inject fluid, by feed flow pipeline 4, inlet opening 21, flow to cavity 20, flow to sandstone 18 by through hole 22, thus set up by the pressure reduction of the non-perforation end of sandstone to perforation end, carry out by the flowing test of sandstone 18 perforation tunnel to simulation wellbore hole 1; Also can be pressurizeed injection fluid by through hole 34, sandstone 18 is entered by perforation tunnel, set up by the pressure reduction of sandstone 18 perforation end to non-perforation end, to carry out by simulation wellbore hole 1 by perforation tunnel to the flowing test in sandstone 18, obtain the perforation flowing test result under the high pressure of two kinds of flow directions or high-temperature and high-pressure conditions.
Claims (4)
1. perforation flow test pit shaft-target combination unit, it is characterized in that: it is made up of simulation wellbore hole (1), analogue perforation device unit (2), simulated target device (3), feed flow pipeline (4) and end cover of pressure container (5), wherein simulation wellbore hole (1) upper and lower side is threaded with end cover of pressure container (5), simulated target device (3) respectively, analogue perforation device unit (2) is placed in simulation wellbore hole (1), and feed flow pipeline (4) is threaded with simulated target device (3), end cover of pressure container (5) respectively;
Simulation wellbore hole (1) is by seal (6), snubber (7), through hole (8), cylindrical shell (9), support (10), interconnection arrangement (12), sleeve pipe simulation steel plate (14), cement sheath simulated block (15) and connection end (23) composition, wherein snubber (7) there is through hole (8), seal (6) is had between snubber (7) and cylindrical shell (9), cylindrical shell (9) lower end is connected with interconnection arrangement (12) by screw thread and seal (6), support (10) is in interconnection arrangement (12) upper end, seal (6) is had in groove below interconnection arrangement (12), sleeve pipe simulation steel plate (14) and cement sheath simulated block (15), the jag that connection end (23) is interconnection arrangement (12) lower end,
Analogue perforation device unit (2) is made up of bottom end cover (24), firing mount (25), perforating bullet (26), detonating fuse (27), detonator (28), the body of a gun (29), stem (30) and upper end cover (31), wherein rifle upper end cover (31), rifle bottom end cover (24) are threaded with the body of a gun (29), perforating bullet (26) is fixed on rifle bottom end cover (24) by firing mount (25), perforating bullet (26) there is detonating fuse (27), the other end of detonating fuse (27) has detonator (28), and the detonating cord of detonator (28) is connected on stem (30);
Simulated target device (3) is by nut (11), fixator (13), connecting rod (16), rubber sleeve (17), sandstone (18), fluid flow distributor (19), cavity (20), inlet opening (21) and through hole (22) composition, wherein rubber sleeve (17) one end is connected on connection end (23) by fixator (13), the other end is by fixator (13) connecting fluid fluidic distributor (19), sandstone (18) is had in rubber sleeve (17), by connecting rod (16) and nut (11) by interconnection arrangement (12), sandstone (18) and fluid flow distributor (19) are fixed, cavity (20) is had in fluid flow distributor (19), fluid flow distributor (19) one end has through hole (22) to communicate with sandstone (18), the other end has inlet opening (21),
End cover of pressure container (5) has through hole (32), through hole (34) and prap (33), wherein through hole (32) is in the marginal portion of end cover of pressure container (5), through hole (34), prap (33) core in end cover of pressure container (5);
Feed flow pipeline (4) is threaded with end cover of pressure container (5) by through hole (32), and feed flow pipeline (4) is threaded with fluid flow distributor (19) by inlet opening (21); Simulation wellbore hole (1) is sealed by seal (6) and end cover of pressure container (5).
2. perforation flow test pit shaft-target combination unit according to claim 1, is characterized in that: the top of analogue perforation device unit (2) can also replace detonating fuse (27) and detonator (28) with priming device.
3. perforation flow test pit shaft-target combination unit according to claim 1, is characterized in that: fixator (16) can also be the fastening devices of other shape.
4. perforation flow test pit shaft-target combination unit according to claim 1, it is characterized in that: fluid flow distributor (19) can also be multiple with the through hole (22) on the contact surface of sandstone (18), and its contact surface can also be the face having radial distribution guiding gutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510716248.2A CN105350946B (en) | 2015-10-28 | 2015-10-28 | Perforation flow test is combined the unit with pit shaft-target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510716248.2A CN105350946B (en) | 2015-10-28 | 2015-10-28 | Perforation flow test is combined the unit with pit shaft-target |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105350946A true CN105350946A (en) | 2016-02-24 |
| CN105350946B CN105350946B (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510716248.2A Active CN105350946B (en) | 2015-10-28 | 2015-10-28 | Perforation flow test is combined the unit with pit shaft-target |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706288A (en) * | 2016-12-12 | 2017-05-24 | 中国石油天然气股份有限公司 | Oil-gas well perforator ground target shooting test device |
| CN107905768A (en) * | 2017-12-01 | 2018-04-13 | 中国石油天然气股份有限公司 | Perforation experimental technique and device are repeated with hole |
| CN108035705A (en) * | 2017-11-30 | 2018-05-15 | 中国石油大学(北京) | A kind of experimental method for simulating loose sand oil accumulation sand block filter medium clogging |
| WO2018132105A1 (en) * | 2017-01-13 | 2018-07-19 | Halliburton Energy Services, Inc. | Simulated wellbore control for dynamic underbalance testing |
| CN115159913A (en) * | 2022-07-29 | 2022-10-11 | 物华能源科技有限公司 | High-strength columnar concrete formula for static penetration of perforating bullet and target |
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| US4690218A (en) * | 1986-04-03 | 1987-09-01 | Halliburton Company | Method for depth control and detonation of tubing conveyed gun assembly |
| CN1392327A (en) * | 2001-06-20 | 2003-01-22 | 新疆石油管理局测井公司 | Perforator detection method and device |
| CN1970992A (en) * | 2006-12-06 | 2007-05-30 | 西安通源石油科技股份有限公司 | Dynamic test device for composite perforator |
| US20090173487A1 (en) * | 2008-01-04 | 2009-07-09 | Strickland Dennis A | Downhole tool delivery system |
| CN204575323U (en) * | 2015-05-20 | 2015-08-19 | 中国石油天然气股份有限公司 | Composite perforator unit high temperature dynamic checkout unit |
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| US4690218A (en) * | 1986-04-03 | 1987-09-01 | Halliburton Company | Method for depth control and detonation of tubing conveyed gun assembly |
| CN1392327A (en) * | 2001-06-20 | 2003-01-22 | 新疆石油管理局测井公司 | Perforator detection method and device |
| CN1970992A (en) * | 2006-12-06 | 2007-05-30 | 西安通源石油科技股份有限公司 | Dynamic test device for composite perforator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706288A (en) * | 2016-12-12 | 2017-05-24 | 中国石油天然气股份有限公司 | Oil-gas well perforator ground target shooting test device |
| CN106706288B (en) * | 2016-12-12 | 2019-01-18 | 中国石油天然气股份有限公司 | A kind of oil-gas well perforator ground targeting testing device |
| WO2018132105A1 (en) * | 2017-01-13 | 2018-07-19 | Halliburton Energy Services, Inc. | Simulated wellbore control for dynamic underbalance testing |
| FR3061926A1 (en) * | 2017-01-13 | 2018-07-20 | Halliburton Energy Services, Inc. | SIMULATED WELLBORE CONTROL FOR DYNAMIC UNDER-PRESSURE TEST |
| US10781669B2 (en) | 2017-01-13 | 2020-09-22 | Halliburton Energy Services, Inc. | Simulated wellbore control for dynamic underbalance testing |
| CN108035705A (en) * | 2017-11-30 | 2018-05-15 | 中国石油大学(北京) | A kind of experimental method for simulating loose sand oil accumulation sand block filter medium clogging |
| CN107905768A (en) * | 2017-12-01 | 2018-04-13 | 中国石油天然气股份有限公司 | Perforation experimental technique and device are repeated with hole |
| CN115159913A (en) * | 2022-07-29 | 2022-10-11 | 物华能源科技有限公司 | High-strength columnar concrete formula for static penetration of perforating bullet and target |
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| Publication number | Publication date |
|---|---|
| CN105350946B (en) | 2018-04-17 |
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