CN209277861U - A kind of two-phase pressure simulation stratum perforation experiment device - Google Patents
A kind of two-phase pressure simulation stratum perforation experiment device Download PDFInfo
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- CN209277861U CN209277861U CN201821663769.1U CN201821663769U CN209277861U CN 209277861 U CN209277861 U CN 209277861U CN 201821663769 U CN201821663769 U CN 201821663769U CN 209277861 U CN209277861 U CN 209277861U
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Abstract
The utility model discloses two-phase pressure simulation stratum perforation experiment device, including gun joint, gun body suppress head, pipette tips, suppress pipeline, gun body, check valve, top connection, model gun piece, screw plug, analog casing piece, tank body suppress head, target, well liquid, tank body, bottom cover, suppress pipeline, check valve, electronic pressure pump.Gun joint, pipette tips, gun body, model gun piece and screw plug are connected and sealed；Gun body suppresses that head, suppressing pipeline, check valve and electronic pressure pump, successively thread seal connects；Tank body suppresses that head, suppressing pipeline, check valve and electronic pressure pump, successively thread seal connects；Magnedat, primacord and perforating bullet are sequentially connected, and perforating bullet to be measured is placed in the device.Can punching quality under the conditions of approximate simulation perforating bullet difference bottom confining pressure, be suitable for various gun shaped perforating bullets, unit can reuse, equipment operation is simple, it is highly-safe, it is repeated high, the accuracy of perforating charge capability test is improved, increase oil and gas production is reached.
Description
Technical field
The utility model belongs to oil and gas industry exploitation field, relates generally to a kind of test device of explosive,
Relate generally to two-phase pressure simulation stratum perforation experiment device.
Background technique
Perforation is to increase in-place permeability, deep penetrating charge is according to beehive-shaped charge by generating crack down below
Principle, using high explosive detonation generate energy crush rapidly cavity liner formed high-velocity wire jet stream, reach and wear deep mesh greatly
's；Big hole perforator is to form the lesser tubbiness jet stream of effluxvelocity gradient according to cavity liner head-turnover, reaches large aperture
Purpose.Perforating depth and piercing aperture of the perforating bullet under Different Strata environment are different, and the permeability on stratum is also not
With.Rate is adopted in order to improve oil field, specific perforating bullet can only be chosen for target zone.It is checked and accepted in perforating bullet development and production
When, in order to preferably simulate the perforation environment of target zone on ground, devise two-phase pressure simulation stratum perforation experiment device.It opens
The influence research that perforating bullet under the conditions of two phase pressures (wellbore pressure and confining pressure) wears deep performance is opened up, to be conducive to that well has been instructed to set
The actual reserves for counting and correctly evaluating oil/gas well, can also instruct the research and development and optimization design of perforating bullet.
The device that researcher is typically designed in industry has the following problems: the high temperature that 1. domestic major Logging Companies establish
Unit rifle component and tank body target integral type are added identical pressure by the perforation simulated laboratory of high pressure, can not be individually plus different
Pressure, and test site is fixed.2. patent authorization number: 201507294 unit perforating gun temperature-pressure verifying attachment of CN is
It pressurizes to target, gun body and target carry out closed design, and device shakes after perforation in order to prevent, it is necessary to by device
It fixes on the ground, is limited by test site.3. most of is all using a bigbore unit rifle, the height of burst of perforating bullet
Fixation can not be adjusted.
Summary of the invention
Technical problem solved by the present invention is in order to avoid the shortcomings of the prior art, the utility model proposes two-phases
Pressure simulation stratum perforation experiment device is a kind of device that can simulate Different Strata, different pressures size.It simultaneously can also mould
Device of the quasi- test perforating bullet not of the same race under actual working state.After perforation, jet stream penetrates model gun piece and analog casing piece
It wears, height of burst adjustable elements rifle component and the perforation of tank body target target assembly, the pressure of unit rifle component and the pressure of tank body target
Releasing pressure automatically is carried out by duct, there is no rocking, be not put to the test place limitation.The device is simple with structure, installation operates
The features such as convenience, reliable test result, good safety.
The technical scheme is that a kind of two-phase pressure simulation stratum perforation experiment device, including height of burst adjustable single
First rifle component further includes gun joint, top connection, analog casing piece, tank body, bottom cover, first suppresses component and second and suppress group
Part；The top connection is cavity body closed at one end open at one end, is equipped with the adjustable unit rifle component of the height of burst in cavity；Top connection
Open end and gun joint are connected, and closed end is connected through a screw thread with analog casing piece, what analog casing piece and top connection formed
End face and tank body one end are connected；The tank body other end and bottom cover are connected, so that tank interior forms closed cavity；It is equipped in cavity
Target, and target is not contacted with inner tank wall；It is filled by well liquid in gap between target and inner tank wall；First
Suppressing component can independently suppress to the adjustable unit rifle component progress of the height of burst, simulation wellbore hole pressure；Second suppresses component can
It carries out independently suppressing into tank body cavity, the practical confining pressure of simulated formation.
A further technical solution of the present invention is: described first suppress component include the first electronic pressure pump, it is first unidirectional
Pressure valve, first suppress pipeline and gun body suppresses head；First gun body is suppressed head and is located on pipette tips outer wall, and the first gun body suppresses head
Axis is parallel to each other with pipette tips axis；First suppresses pipeline one end and the first gun body suppresses head and is connected, and the other end is electronic with first
Pressure pump connection；First electronic pressure pump connects external power supply, and the first one-way pressure valve control hydraulic oil is beaten by the first gun body
Pressure head enters top connection inner cavity, carries out suppressing test to the adjustable unit rifle component of the height of burst.
A further technical solution of the present invention is: described second suppress component include the second electronic pressure pump, it is second unidirectional
Pressure valve, second suppress pipeline and tank body suppresses head；Tank body suppresses head and top connection and is connected close to one end outer wall of tank body, and tank
Body is beaten ram axis and is mutually perpendicular to top connection axis；Second, which suppresses pipeline one end, suppresses head with tank body and connect, the other end and
Two electronic pressure pump connections；Second electronic pressure pump is connect with external power supply；Second comonomer valve control hydraulic oil is suppressed through second
Pipeline suppresses head by tank body and enters tank inner chamber, carries out suppressing test to target.
A further technical solution of the present invention is: the gun joint, top connection, analog casing piece, tank body and bottom cover are equal
To be coaxially connected, and gun joint, pipette tips, top connection, tank body, bottom cover one closed cavity of formation, analog casing piece will be closed
Cavity is divided into two independent cavitys.
A further technical solution of the present invention is: the adjustable unit rifle component of the height of burst includes pipette tips, gun body, perforation
Bullet, gun breech, model gun piece and nut；Gun breech be both ends open column, inner cavity be it is porous step-like, model gun piece be it is U-shaped,
It is placed in gun breech path chamber, perforating bullet to be tested is placed in gun breech major diameter chamber, and model gun piece outer wall and gun breech diameter cavity inner wall
Clearance fit；Perforating bullet to be tested is fixed by model gun piece, and carries out height adjustment by nut；Perforating bullet to be tested
It is connect with detonator by primacord.
Invention effect
It 1, is exactly the design of unit rifle component and tank body target target assembly separate type, so that the present apparatus overcomes existing one
The defect of formula pressurization, achieve can more real simulation difference bottom pressure to the shadow of different pressures perforating bullet punching quality
It rings, no matter has very big directive significance to perforating charge capability experimental study and practice of construction.
2, the design open just because of gun body and tank body target, so that the present apparatus overcomes existing place limitation
Defect achieves the self-relieving effect of device after perforation.
3, the design of the adjustable unit rifle of height of burst early period has exactly been borrowed, so as to overcome the existing height of burst non-adjustable for the present apparatus
The defect of section achieves the height of burst effect that can simulate different type perforating bullet.
Using two-phase pressure simulation described in the utility model stratum perforation experiment device, can approximate simulation difference bottom pressure
Influence of the power to perforating bullet punching quality is suitable for various gun shaped perforating bullets.After the completion of test device is suppressed, check valve is closed,
Releasing pressure automatically can be carried out after the completion, it is highly-safe.Can reuse, equipment operation it is simple.Perforation can be improved in the device
The accuracy of performance test is played, to instruct well completion design and correctly evaluate the actual reserves of oil/gas well.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model
Fig. 2 is that unit rifle suppresses component diagram
Fig. 3 is the adjustable unit rifle schematic diagram of the height of burst
Description of symbols: 1-Magnedat；2-primacords；3-gun joints；4-gun bodies suppress head；5-pipette tips；
6-the first suppresses pipeline；7-gun bodies；8-the first one-way pressure valve；9-top connections；10-the first electronic pressure pump；11-penetrate
Hole bullet；12-gun breeches；13-model gun pieces；14-nuts；15-analog casing pieces；16-tank bodies suppress head；17-targets；
18-well liquids；19-tank bodies；20-bottom covers；21-the second suppresses pipeline；22-the second one-way pressure valve；23-the second is electronic
Pressure pump；
Specific embodiment
Referring to Fig. 1-Fig. 3, two-phase pressure simulation stratum perforation experiment device, including gun joint 3, gun body suppress first 4,
Pipette tips 5, first suppress pipeline 6, gun body 7, the first one-way pressure valve 8, top connection 9, the first electronic pressure pump 10, perforating bullet 11,
Gun breech 12, model gun piece 13, screw plug 14, analog casing piece 15, tank body suppress first 16, target 17, well liquid 18, tank body 19,
Bottom cover 20, second suppress pipeline 21, the second one-way pressure valve 22, the second electronic pressure pump 23；The gun joint 3, rifle
First 5, gun body 7, top connection 9, tank body 18, bottom cover 19 are column, and axis overlaps, between pass sequentially through threaded connection
It is sealed with sealing ring；
Described device top connection 9, analog casing piece 15, tank body 19, bottom cover 20 form a closed cavity after connecting, and can put
Enter Different Strata target 17, for simulating Different Strata target.
Described device pipette tips 5, gun body 7, model gun piece 13 form cavity body closed at one end open at one end, can simulate survey
Try different types of perforating bullet.Described device gun joint 3, gun body suppress first 4 axis and are parallel to each other, between be connected through a screw thread
It is sealed with sealing ring；First suppresses pipeline 6, the first uniaxial pressure is sequentially connected to valve 8, the first electronic pressure pump 10；Top connection
9, tank body is suppressed first 16, axis and is mutually perpendicular to, between be connected through a screw thread and sealing ring sealing；Second suppresses pipeline 21, second
One-way pressure valve 22, the second electronic pressure pump 23 are sequentially connected.
Gun joint 3, pipette tips 5, top connection 9, tank body 19, bottom cover 20 form a closed cavity, and analog casing piece 14
Closed cavity is divided into two independent cavitys, the different pressures for simulated formation.
In 9 cavity of top connection, it is equipped with the adjustable unit gun apparatus of the height of burst, referring to Fig. 3, a kind of adjustable unit rifle of the height of burst
Device, including pipette tips 5, gun body 7, gun breech 12, model gun piece 13, nut 14 composition；Gun body 7 is hollow cylinder, both ends difference
Pipette tips 5 and gun breech 7 are connected, model gun piece 13 and nut 14 seal.Pipette tips 5 are threadedly coupled with gun body 7, and pipette tips 5 and gun body 7 are
Column, pipette tips 5 are axially arranged with through-hole through gun body；Gun breech 12 is connected by screw thread with gun body 7 and model gun piece 13, model gun
Piece is the gun body thickness of practical perforating gun；Gun breech 12 and 13 linkage section of model gun piece are equipped with various boss, the length and thickness of boss
Degree is the height of burst decision that practical perforating bullet fills rifle；Nut 14 and model gun piece 13 are in contact, and are connect by screw thread with gun breech 12, lead to
The fine tuning for crossing nut 14 changes the in-gun standoff of perforating bullet；Pipette tips 5, gun body 7, gun breech 12, model gun piece 13 and nut 14 axis
Line overlaps.The various boss that described device gun breech 12 and model gun piece 13 form, can place the perforating bullet of various bores,
Meet the general and various perforating bullets of device.
The distance between described device model gun piece 13 and 11 oral area of perforating bullet are pretended for the perforating bullet answers corresponding to rifle
The internal practical height of burst, the various boss distance that the distance of the height of burst is made of gun breech 12 and model gun piece 13 determine.
The top connection 9, analog casing piece 15, tank body 19, bottom cover 20 form a closed cavity after connecting, and can be put into not
With stratum target 17, for simulating Different Strata lithology.
The pipette tips 5, gun body 7, model gun piece 13 are cavity body closed at one end open at one end, can test different model
The punching quality of perforating bullet.
The gun body, which suppresses first 4, suppresses pipeline 6, the first one-way pressure valve 8, the first electronic pressure pump 10 is sequentially connected, can
Independently to be suppressed to gun body progress, simulation wellbore hole pressure.
The tank body suppresses first 16, second and suppresses pipeline 21, the second one-way pressure valve 22, the second electronic pressure pump 23 successively
Connection independently suppress to tank body, the practical confining pressure of simulated formation.
When test, the first step calculates the stratum confining pressure for needing to apply and wellbore pressure according to the depth on construction stratum；The
Perforating bullet connect with primacord and is packed into pipette tips, gun body and model gun piece composition cavity, and connect with gun joint by two steps；
Target, is put into the open container of tank body and bottom cover composition by third step, and test target and clear water are put into container；4th
Step, container and top connection and analog casing piece are attached, and is assembled with the components of second step；5th step, will even
Gun joint 3, gun body, which suppress first 4, first and suppress pipeline 6, the first one-way pressure valve 8, the first electronic pressure pump 10, to be sequentially connected.On
Connector 9, the second tank body, which suppress first 16, second and suppress pipeline 21, the second one-way pressure valve 22, the second electronic pressure pump 23, successively to be connected
It connects.6th step, Magnedat and primacord are attached；7th step, electronic pressure pump start independently to suppress, and reach to pressure
After predetermined value, check valve is closed respectively, closes pressure pump；8th step borrows initiating instrument detonation, completes perforating bullet and wears target test；
8th step after the completion of test experiments, measures perforation and wears depth and aperture, carry out perforating charge capability analysis.9th step, disassembly wiping are real
Experiment device, in case next time uses.
Claims (5)
1. a kind of two-phase pressure simulation stratum perforation experiment device, including the adjustable unit rifle component of the height of burst, which is characterized in that also
Component and second are suppressed including gun joint (3), top connection (9), analog casing piece (15), tank body (19), bottom cover (20), first
Suppress component；The top connection (9) is cavity body closed at one end open at one end, is equipped with the adjustable unit rifle group of the height of burst in cavity
Part；Top connection (9) open end and gun joint (3) are connected, and closed end is connected through a screw thread with analog casing piece (15), simulation set
The end face and tank body (19) one end of section of jurisdiction (15) and top connection (9) composition are connected；Tank body (19) other end and bottom cover (20) are connected,
So that forming closed cavity inside tank body (19)；Target (17) are equipped in cavity, and target (17) not with tank body (19)
Inner wall contact；It is filled by well liquid in gap between target (17) and tank body (19) inner wall；First suppresses component can be to
The adjustable unit rifle component progress of the height of burst is independently suppressed, simulation wellbore hole pressure；Second suppress component can into tank body cavity into
Row is independently suppressed, the practical confining pressure of simulated formation.
2. a kind of two-phase pressure simulation stratum as described in claim 1 perforation experiment device, which is characterized in that described first dozen
Pressure component suppresses pipeline (6) including the first electronic pressure pump (10), the first one-way pressure valve (8), first and gun body suppresses head
(4)；First gun body is suppressed head (4) and is located on pipette tips (5) outer wall, and the first gun body suppresses head (4) axis and pipette tips (5) axis phase
It is mutually parallel；First suppresses pipeline (6) one end and the first gun body suppresses head (4) and is connected, the other end and the first electronic pressure pump (10)
Connection；First electronic pressure pump (10) connects external power supply, and the first one-way pressure valve (8) control hydraulic oil is beaten by the first gun body
Pressure head (4) enters top connection (9) inner cavity, carries out suppressing test to the adjustable unit rifle component of the height of burst.
3. a kind of two-phase pressure simulation stratum as described in claim 1 perforation experiment device, which is characterized in that described second dozen
Pressure component suppresses pipeline (21) including the second electronic pressure pump (23), the second one-way pressure valve (22), second and tank body suppresses head
(16)；Tank body suppresses one end outer wall of head (16) and top connection (9) close to tank body (19) and is connected, and tank body suppresses head (16) axis
It is mutually perpendicular to top connection (9) axis；Second, which suppresses pipeline (21) one end, suppresses head (16) with tank body and connect, the other end and second
Electronic pressure pump (23) connection；Second electronic pressure pump (23) connect with external power supply；Second one-way pressure valve (22) controls liquid
Pressure oil suppresses pipeline (21) through second, suppresses head (16) into tank body (19) inner cavity by tank body, carries out suppressing survey to target
Examination.
4. a kind of two-phase pressure simulation stratum as described in claim 1 perforation experiment device, which is characterized in that the even rifle connects
Head (3), top connection (9), analog casing piece (15), tank body (19) and bottom cover (20) be it is coaxially connected, and gun joint (3),
Pipette tips (5), top connection (9), tank body (19), bottom cover (20) form a closed cavity, and analog casing piece (15) is by closed cavity
It is divided into two independent cavitys.
5. a kind of two-phase pressure simulation stratum as described in claim 1 perforation experiment device, which is characterized in that the height of burst can
Mode unit rifle component includes pipette tips (5), gun body (7), perforating bullet (11), gun breech (12), model gun piece (13) and nut (14)；
Gun breech (12) be both ends open column, inner cavity be it is porous step-like, model gun piece (13) be it is U-shaped, it is small to be placed in gun breech (12)
In diameter chamber, perforating bullet to be tested is placed in gun breech (12) major diameter chamber, and in model gun piece (13) outer wall and gun breech (12) diameter cavity
Wall clearance fit；Perforating bullet to be tested is fixed by model gun piece (13), and carries out height adjustment by nut (14)；To
Test perforating bullet is connect with detonator by primacord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663769.1U CN209277861U (en) | 2018-10-12 | 2018-10-12 | A kind of two-phase pressure simulation stratum perforation experiment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821663769.1U CN209277861U (en) | 2018-10-12 | 2018-10-12 | A kind of two-phase pressure simulation stratum perforation experiment device |
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| CN209277861U true CN209277861U (en) | 2019-08-20 |
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| CN201821663769.1U Active CN209277861U (en) | 2018-10-12 | 2018-10-12 | A kind of two-phase pressure simulation stratum perforation experiment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11578953B2 (en) * | 2020-05-11 | 2023-02-14 | Halliburton Energy Services, Inc. | Perforation tool and laboratory testing system with an adjustable free interior volume |
| CN117307110A (en) * | 2023-12-01 | 2023-12-29 | 大庆金祥寓科技有限公司 | Reusable slideway non-return closing type environment-friendly dynamic negative pressure gun tail |
-
2018
- 2018-10-12 CN CN201821663769.1U patent/CN209277861U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11578953B2 (en) * | 2020-05-11 | 2023-02-14 | Halliburton Energy Services, Inc. | Perforation tool and laboratory testing system with an adjustable free interior volume |
| CN117307110A (en) * | 2023-12-01 | 2023-12-29 | 大庆金祥寓科技有限公司 | Reusable slideway non-return closing type environment-friendly dynamic negative pressure gun tail |
| CN117307110B (en) * | 2023-12-01 | 2024-02-27 | 大庆金祥寓科技有限公司 | Reusable slideway non-return closing type environment-friendly dynamic negative pressure gun tail |
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