CN107102099A - With brill leak-proof leak-stopping experimental rig and method - Google Patents
With brill leak-proof leak-stopping experimental rig and method Download PDFInfo
- Publication number
- CN107102099A CN107102099A CN201710019126.7A CN201710019126A CN107102099A CN 107102099 A CN107102099 A CN 107102099A CN 201710019126 A CN201710019126 A CN 201710019126A CN 107102099 A CN107102099 A CN 107102099A
- Authority
- CN
- China
- Prior art keywords
- leak
- storage tank
- pressure
- rock core
- stopping
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
Include leak stopping liquid storage tank, leakage blockage simulation device, control and measuring system, Data Analysis Services system with leak-proof leak-stopping experimental rig and method, described device is bored the present invention relates to one kind.Leak stopping liquid storage tank mainly includes tank top, oil inlet, storage tank piston, storage tank outer barrel, storage tank bottom, leakage-stop liquid outlet, storage tank base.Leakage blockage simulation device mainly includes pressure sensor, three phase electric machine, rotational speed governor, back pressure pipeline, vertical rotation shaft, back-pressure valve, rotatory sealing, plug, electric heater, HTHP packing element, temperature/pressure sensor, simulator pallet, inlet, rock core bottom lid, simulator base, rock core kettle.The present invention be used to simulate permeability loss and fractured leakage plugging effect in oil gas field drilling operation course with boring leak-proof leak-stopping experimental rig, principle is reliable, it is rational in infrastructure, it can simulate with the job state for boring leak-proof leak-stopping instrument, be easy to preferred loss circulation material and evaluate its plugging effect.
Description
Technical field
The present invention relates to one kind with brill leak-proof leak-stopping experimental rig and method.
Background technology
Leakage is one of complicated problem in the underground underground frequently encountered in oil and gas drilling operation course, and it is showed
Stratum is leak into the presence of pressure difference for the drilling well working solution (drilling fluid, cement mortar, completion fluid, workover fluid etc.) in pit shaft.Bore
Once occurring leakage in well operations, can not only lose drilling fluid and loss circulation material, delay drilling time, increase drillng operation into
This, but also the underground such as bit freezing, well slough, blowout complex accident may be triggered, well may be caused to scrap when serious.
Permeability leakage and Fractured leakage are oil gas well drilling leakage the most universal leakage modes.Using with brill leakproof
The amount of jet energy of the lateral nozzle of leak stoppage tool, by the drill-feeding plugging agent in plugging drilling fluid system, pons hematoma agent, gel leak stopping
The solid phase particles such as agent material directive permeability or fractured leakage stratum, " the people of fine and close hyposmosis is formed in the leakage stratum borehole wall
Make the borehole wall ", it is capable of effective closure of the realization of effect to permeability loss and fractured leakage.But by field test to leak stopping
The plugging effect of material is evaluated undoubtedly unpractical, therefore simulates down-hole formation condition using experimental rig, is passed through
The mode of laboratory test carrys out preferably various loss circulation materials and evaluates its plugging effect formation drilling fluid system for lost circulation while drilling, is general
All over the method used.
At present, domestic conventional simulation leakage crack and the device for evaluating plugging effect are numerous, such as API indoor static leak stopping
Dynamic plugging tester of evaluation experimental device, DL-1 type plugging tests device, JLX-2 etc..The structural principle of these devices is basic
Unanimously：The crack mould simulation leakage stratum of stainless steel is installed inside simulation wellbore hole, drives leak stopping slurries to enter mould during experiment
Intend stratum, its plugging effect is evaluated after static a period of time.Because simulated formation and actual formation property have larger difference
It is different, it frequently can lead to laboratory test results and effect of field application difference be larger, it is even more important that such device at all can not
Simulate with the jet action for boring leak-proof leak-stopping instrument motion state and lateral nozzle in the wellbore.
In summary, there presently does not exist experimental rig come simulate with bore leak-proof leak-stopping instrument plugging effect.In view of with
The shortcoming of upper prior art, the main object of the present invention is to provide a kind of with brill leak-proof leak-stopping experimental rig and method.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of evaluation for carrying out loss circulation material preferably and leak stopping
Drilling fluid system, the plugging effect of completion fluid system and other working solution systems and formulating with boring leak-proof leak-stopping experiment
Device and method.
The present invention connects with brill leak-proof leak-stopping experimental rig, including the leak stopping liquid storage tank of storage leakage-stop liquid and leakage-stop liquid outlet
Logical leakage blockage simulation device and control and measuring system for controlling, recording leakage blockage simulation device working condition；
The leakage blockage simulation device, including simulator base, be arranged on simulator base simulator pallet, be arranged on institute
The leakage blockage simulation device body on simulator pallet is stated, the leakage blockage simulation device body includes the rock core kettle of hollow circular cylinder structure,
The lower open end of the rock core kettle is connected with rock core bottom lid, and the upper open end of the rock core kettle is provided with plug, the rock core kettle
Bottom be provided with inlet；The rock core kettle is internally provided with HTHP packing element, and test core is hollow cylinder
Artificial core, test core is fixed on inside the cylindrical space that HTHP packing element inwall, rock core bottom lid, plug are formed；
The rock core kettle inwall forms the annular space for applying confined pressure, electric heater and temperature and pressure sensing with HTHP packing element outer wall
Device is arranged on inside the annular space, temperature and confined pressure under the conditions of difference heat run rock core and measurement experiment in rock core kettle；
The plug is provided with rotating mechanism and back pressure pipeline, and the rotating mechanism includes the vertical rotation shaft of hollow column jacket structure, described
Vertical rotation shaft upper end is provided with rotational speed governor, and the vertical rotation shaft lower end is placed in test core internal cavities through plug, rotation
Turn the upper end of vertical shaft and the leakage-stop liquid outlet of leak stopping liquid storage tank, facility is by rotatory sealing between vertical rotation shaft and plug；With
Bore the lower end that leak-proof leak-stopping instrument is threadedly connected to vertical rotation shaft；For the pressure for the pressure for measuring the leakage-stop liquid entered in rock core kettle
Force snesor is located at the upper end of vertical rotation shaft；The back pressure pipeline passes through plug, and back pressure pipeline one end is with testing inside rock core
Cavity is connected, and the other end is provided with back-pressure valve, for the annular space for controlling to be formed between vertical rotation shaft and test core inwall
Pressure.
Further, the control measuring system includes：The oil pressure pump connected with oil inlet, the oil pressure pump is connected with survey
Amount enters the oil pressure measuring device of the oil pressure of leak stopping liquid storage tank upper space；It is connected with pressure sensor, measurement enters rock core kettle
In leakage-stop liquid pressure pump pressure measurement apparatus；Connected with inlet and provide confined pressure for the test core in leakage blockage simulation device
Confined pressure pump；Measure the confined pressure measurement apparatus of the confined pressure of experiment；It is connected with the temperature/pressure sensor in leakage blockage simulation device, measurement experiment
The temperature measuring equipment of temperature；Measurement rotation is installed on the arrangements for speed regulation of the three phase electric machine connection of leakage blockage simulation device, arrangements for speed regulation
Turn the rotation-speed measuring device and measurement vertical rotation shaft lowering velocity drilling speed measurement apparatus of the rotary speed of vertical shaft.
Further, in addition to described oil pressure measuring device, be pumped measurement apparatus, confined pressure measurement apparatus, temperature survey
Device, rotation-speed measuring device are measured, the corresponding data for the acquisition measurement experiment that drilling speed measurement apparatus is connected carries out subsequent analysis, processing
Data Analysis Services system.
Further, the simulator pallet is divided into upper, middle and lower-ranking, and rock core bottom lid is placed in orlop simulator support
On disk, rock core kettle outer wall is fixedly connected with middle level simulator pallet, and three phase electric machine is connected with revolution speed control system, is fixedly mounted on
On the superiors' simulator pallet.
Further, the leak stopping liquid storage tank includes storage tank outer barrel, and the storage tank outer barrel upper open end is provided with tank top,
The storage tank outer barrel lower open end, which is provided with storage tank bottom, the storage tank outer barrel, is provided with storage tank piston, is set on the tank top
There is inlet, the storage tank outer barrel bottom is exported provided with leakage-stop liquid.
Further, the tank top is connected through a screw thread with the storage tank outer barrel, and the bottom of storage tank covers screw thread company
It is connected to storage tank base.
Further, it is provided with rotatory sealing between the vertical rotation shaft and plug；Outside the leakage-stop liquid outlet and storage tank
Set respectively between cylinder, between oil inlet and tank top, between back pressure pipeline and plug, between inlet and rock core kettle outer wall
There is ring packing.
The present invention is tested with leak-proof leak-stopping test method is bored using above-mentioned with brill leak-proof leak-stopping experimental rig, its
In,
The plugging drilling fluid system configured is poured into leak stopping liquid storage tank, piston and tank top is installed；
Finished being connected with vertical rotation shaft and the plug assembling for boring leak-proof leak-stopping instrument；By the test core prepared
It is placed in the HTHP packing element of leakage blockage simulation device；
The plug with vertical rotation shaft and back pressure pipeline assembled is arranged on to the top of rock core kettle, HTHP is utilized
Test core is fixed for packing element, plug and rock core bottom lid；
Pressure sensor is installed on vertical rotation shaft top, temperature/pressure sensor is installed in rock core bottom portion, related line is connected
Road and pipeline；
Control and measuring system and Data Analysis Services system are opened, the temperature required for computer settings experiment is with enclosing
Pressure, opens confined pressure pump, and the annular space that hydraulic oil is injected between HTHP packing element and rock core kettle is applied for test core and enclosed
Pressure；Electric heater is opened simultaneously, and temperature is applied to test core；
After temperature and pressure and temperature reach desirable value, three phase electric machine is opened, arrangements for speed regulation are opened, the rotating speed of vertical rotation shaft is set
With lowering velocity；Displacement oil pressure is set simultaneously, oil pressure pump is opened, hydraulic oil promotes piston to move downward in leak stopping liquid storage tank
Plugging drilling fluid displacement enters vertical rotation shaft, and plugging drilling fluid is passed through to be sprayed with the lateral nozzle for boring leak-proof leak-stopping instrument；
Transferred with the improper rotation of vertical rotation shaft, plugging drilling fluid is complete in the inwall formation " artificial core " of test core
Into Process of Leaking Stoppage；
Oil pressure measuring device in whole process in control and measuring system 3, is pumped measurement apparatus, confined pressure measurement dress
Put, temperature measuring equipment, rotation-speed measuring device, drilling speed measurement apparatus can be recorded to related data, store.
By such scheme, the present invention at least has advantages below：
(1) vertical rotation shaft rotation is driven to transfer by motor, rotating speed is controllable with lowering velocity, more can really simulate
With the working condition of brill leak-proof leak-stopping instrument in the wellbore.The presence of device pressure sensor and back-pressure valve is able to record that instrument
The pressure change of wellbore fluids in the course of work, beneficial to subsequent data analysis.
(2) electric heater and apply confined pressure and be designed to the temperature and pressure bar being subject to of simulation core in the wellbore
Part, closer to the physical condition on leakage stratum, the setting of temperature/pressure sensor causes experimental enviroment more controllable.
(3) test core used can by brill miss stratum true core, or laboratory prepare water
Cement mortar rock core, during using laboratory rock core, can obtain Different porosities, infiltration by the adjustment to cement mortar component
The rock core of rate, intensity, can simulate the stratum of different lithology, physical property.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is a kind of with the structural representation for boring leak-proof leak-stopping experimental rig for the present invention；
Fig. 2 is a kind of with the leak stopping liquid storage tank schematic diagram for boring leak-proof leak-stopping experimental rig for the present invention；
Fig. 3 is a kind of with the leakage blockage simulation device schematic diagram for boring leak-proof leak-stopping experimental rig for the present invention；
Fig. 4 is a kind of with the control for boring leak-proof leak-stopping experimental rig and measuring system schematic diagram for the present invention；
In figure：1st, leak stopping liquid storage tank；2nd, leakage blockage simulation device；3rd, control and measuring system；4th, Data Analysis Services system；
11st, tank top；12nd, oil inlet；13rd, storage tank piston；14th, storage tank outer barrel；15th, storage tank bottom；16th, leakage-stop liquid is exported；17th, store up
Tank bottom seat；21st, pressure sensor；22nd, three phase electric machine；23rd, rotational speed governor；24th, back pressure pipeline；25th, vertical rotation shaft；26th, return
Pressure valve；27th, rotatory sealing；28th, plug；29th, electric heater；210th, HTHP packing element；211st, with brill leak-proof leak-stopping instrument；
212nd, temperature/pressure sensor；213rd, simulator pallet；214th, inlet；215th, rock core bottom lid；216th, test core；217th, simulate
Device base；218th, rock core kettle；31st, confined pressure pump；32nd, confined pressure measurement apparatus；33rd, temperature measuring equipment；34th, oil pressure pump；35th, oil pressure
Measurement apparatus；36th, it is pumped measurement apparatus；37th, arrangements for speed regulation；38th, rotation-speed measuring device；39th, drilling speed measurement apparatus.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Embodiment 1
The present embodiment includes leak stopping liquid storage tank and the leakage-stop liquid outlet of storage leakage-stop liquid with leak-proof leak-stopping experimental rig is bored
The leakage blockage simulation device of connection and control and measuring system for controlling, recording leakage blockage simulation device working condition；
The leakage blockage simulation device, including simulator base, be arranged on simulator base simulator pallet, be arranged on institute
The leakage blockage simulation device body on simulator pallet is stated, the leakage blockage simulation device body includes the rock core kettle of hollow circular cylinder structure,
The lower open end of the rock core kettle is connected with rock core bottom lid, and the upper open end of the rock core kettle is provided with plug, the rock core kettle
Bottom be provided with inlet；The rock core kettle is internally provided with HTHP packing element, and test core is hollow cylinder
Artificial core, test core is fixed on inside the cylindrical space that HTHP packing element inwall, rock core bottom lid, plug are formed；
The rock core kettle inwall forms the annular space for applying confined pressure, electric heater and temperature and pressure sensing with HTHP packing element outer wall
Device is arranged on inside the annular space, temperature and confined pressure under the conditions of difference heat run rock core and measurement experiment in rock core kettle；
The plug is provided with rotating mechanism and back pressure pipeline, and the rotating mechanism includes the vertical rotation shaft of hollow column jacket structure, described
Vertical rotation shaft upper end is provided with rotational speed governor, and the vertical rotation shaft lower end is placed in test core internal cavities through plug, rotation
Turn the upper end of vertical shaft and the leakage-stop liquid outlet of leak stopping liquid storage tank, facility is by rotatory sealing between vertical rotation shaft and plug；With
Bore the lower end that leak-proof leak-stopping instrument is threadedly connected to vertical rotation shaft；For the pressure for the pressure for measuring the leakage-stop liquid entered in rock core kettle
Force snesor is located at the upper end of vertical rotation shaft；The back pressure pipeline passes through plug, and back pressure pipeline one end is with testing inside rock core
Cavity is connected, and the other end is provided with back-pressure valve, for the annular space for controlling to be formed between vertical rotation shaft and test core inwall
Pressure.
Referring to Fig. 1 and Fig. 4, the present embodiment, including leak stopping liquid storage tank 1, leakage blockage simulation device 2 are controlled and measuring system 3, number
According to analysis process system 4.
Leak stopping liquid storage tank 1 include tank top 11, oil inlet 12, storage tank piston 13, storage tank outer barrel 14, storage tank bottom 15,
Leakage-stop liquid outlet 16, storage tank base 17.Storage tank bottom 15 is fixedly mounted on storage tank base 17, the lower end of storage tank outer barrel 14 and storage
Tank bottom seat 17 is threadedly coupled, and the lower end of storage tank outer barrel 14 is provided with leakage-stop liquid outlet 16, leakage-stop liquid outlet 16 and storage tank outer barrel 14
Between be provided with ring packing.Storage tank piston 13 coordinates installed in the inside of leak stopping liquid storage tank 1, tank top 11 and storage tank outer barrel
14 screw tops are connected, and be provided with oil inlet 12 on tank top 11, annular is provided between oil inlet 12 and tank top 11
Sealing.
Leakage blockage simulation device 2 includes pressure sensor 21, and three phase electric machine 22, rotational speed governor 23, back pressure pipeline 24, rotation is vertical
Axle 25, back-pressure valve 26, rotatory sealing 27, plug 28, electric heater 29, HTHP packing element 210, temperature/pressure sensor 212, simulation
Device pallet 213, inlet 214, rock core bottom lid 215, simulator base 217, rock core kettle 218.213 points of simulator pallet is
Upper, middle and lower-ranking, is fixedly connected with simulator base 217 respectively.Rock core bottom lid 215 is placed in orlop simulator pallet 213
On.Rock core kettle 218 is hollow circular cylinder structure, and its lower end rock core bottom lid 215 is threadedly coupled.The outer wall of rock core kettle 218 and middle level
Simulator pallet 213 is fixedly connected, and the bottom of the outer wall of rock core kettle 218 is provided with inlet 214, inlet 214 and rock core kettle 218
Ring packing is provided between outer wall.Plug 28 is fixed on the top of rock core kettle 218.HTHP packing element 210 is arranged on rock core kettle
Inside 218, the inwall of rock core kettle 218 forms the annular space for applying confined pressure, electric heater with the outer wall of HTHP packing element 210
29 and temperature/pressure sensor 212 be arranged on inside the annular space, rock core under the conditions of heat run rock core 216 and measurement experiment respectively
Temperature and confined pressure in kettle 218.Test core 216 is hollow cylinder artificial core, and it is high that test core 216 is fixed on high temperature
Inside the cylindrical space that 210 inwalls of moulding cylinder, rock core bottom lid 215, plug 28 are formed.Vertical rotation shaft 25 is hollow column jacket,
Upper end is provided with rotational speed governor 23, and its lower end is placed in the internal cavities of test core 216 through plug 28, vertical rotation shaft 25 it is upper
The leakage-stop liquid outlet 16 with leak stopping liquid storage tank 1 is held to connect, facility is by rotatory sealing 27 between vertical rotation shaft 25 and plug 28.Back pressure
Pipeline 24 passes through plug 28, and one end is connected with the cavity inside experiment rock core 216, and the other end is provided with back-pressure valve 26, for controlling
The pressure of the annular space formed between vertical rotation shaft 25 and test core 216 inwall processed, between back pressure pipeline 24 and plug 28
It is provided with ring packing.The lower end of vertical rotation shaft 25 is threadedly connected to brill leak-proof leak-stopping instrument 211；Pressure sensor 21 is located at
The upper end of vertical rotation shaft 25, the pressure for measuring the leakage-stop liquid entered in rock core kettle 218.Three phase electric machine 22 is controlled with rotating speed
System 23 is connected, and is fixedly mounted on the superiors' simulator pallet 213.
Embodiment 2
The present embodiment is with leak-proof leak-stopping experimental rig is bored on the basis of embodiment 1, and the control measuring system includes：With
The oil pressure pump of oil inlet connection, the oil pressure pump is connected with the oil pressure measurement that measurement enters the oil pressure of leak stopping liquid storage tank upper space
Device；It is connected with pressure sensor, the pump pressure measurement apparatus of the pressure for the leakage-stop liquid that measurement enters in rock core kettle；Connect with inlet
Lead to the confined pressure pump that confined pressure is provided for the test core in leakage blockage simulation device；Measure the confined pressure measurement apparatus of the confined pressure of experiment；With blocking up
The temperature/pressure sensor connection in simulator is leaked, the temperature measuring equipment of the temperature of experiment is measured；The three phase electric machine of leakage blockage simulation device
The rotation-speed measuring device and measurement that the rotary speed of measurement vertical rotation shaft is provided with the arrangements for speed regulation of connection, arrangements for speed regulation rotate
Vertical shaft lowering velocity drilling speed measurement apparatus.
Control and measuring system 3 include oil pressure pump 34, and oil pressure measuring device 35 is pumped measurement apparatus 36, and confined pressure pump 31 encloses
Pressure measuring device 32, temperature measuring equipment 33, arrangements for speed regulation 37, rotation-speed measuring device 38, drilling speed measurement apparatus 39.Oil pressure pump 34
On oil pressure measuring device 35 is installed, the oil pressure of the upper space of leak stopping liquid storage tank 1, oil pressure pump 34 and oil-feed are entered for measuring
Mouth 12 is connected；Pump pressure measurement apparatus 36 is connected with Data Analysis Services system 4 and pressure sensor 21, enters rock core for measuring
The pressure of leakage-stop liquid in kettle 218.Confined pressure pump 31 is connected with inlet 214, is that the test core 216 in leakage blockage simulation device 2 is carried
For confined pressure, confined pressure measurement apparatus 32 and temperature measuring equipment 33 and the temperature and pressure in Data Analysis Services system 4 and leakage blockage simulation device 2
Sensor 214 is connected, temperature and confined pressure for measuring experiment.Rotation-speed measuring device 38 and drilling speed are installed on arrangements for speed regulation 37
Measurement apparatus 39 is connected with the three phase electric machine 22 of leakage blockage simulation device 2, rotary speed and decentralization speed for measuring vertical rotation shaft 25
Degree.
Embodiment 3
The present embodiment is measured with brill leak-proof leak-stopping experimental rig on the basis of embodiment 2, in addition to described oil pressure
Device, is pumped measurement apparatus, and confined pressure measurement apparatus, temperature measuring equipment, rotation-speed measuring device, what drilling speed measurement apparatus was connected obtains
The corresponding data for taking measurement to test carries out subsequent analysis, the Data Analysis Services system of processing.The Data Analysis Services system
Including computer and related software.
In the various embodiments described above, in order to prevent oil leak, rotatory sealing is provided between the vertical rotation shaft and plug；It is described
Leakage-stop liquid is exported between storage tank outer barrel, between oil inlet and tank top, between back pressure pipeline and plug, inlet and rock core
Ring packing is respectively arranged between kettle outer wall.
The operation principle of the various embodiments described above is as follows：
During on-test, the plugging drilling fluid system configured is poured into leak stopping liquid storage tank 1 first, piston 13 is installed
With tank top 11.Finished being connected with vertical rotation shaft 25 and plug 28 assembling for boring leak-proof leak-stopping instrument 211；It will prepare
The test core 216 of (or lost-circulation zone sampling) be placed in the HTHP packing element 210 of leakage blockage simulation device 2.By what is assembled
Plug 28 with vertical rotation shaft 25 and back pressure pipeline 24 is arranged on the top of rock core kettle 218, using HTHP packing element 210,
Test core 216 is fixed for plug 28 and rock core bottom lid 215.Pressure sensor is installed on the top of vertical rotation shaft 25,
Temperature/pressure sensor is installed in the bottom of rock core kettle 218, connects related circuit and pipeline.Open control and measuring system 3 and data point
Processing system 4 is analysed, temperature and confined pressure required for computer settings experiment open confined pressure pump 31, and it is high that hydraulic oil is injected into high temperature
Annular space between moulding cylinder 210 and rock core kettle 218 applies confined pressure for test core 216；Electric heater 29 is opened simultaneously, it is right
Test core 216 applies temperature.After temperature and pressure and temperature reach desirable value, three phase electric machine 22 is opened, arrangements for speed regulation 37 are opened, if
Determine the rotating speed and lowering velocity of vertical rotation shaft 25；Simultaneously set displacement oil pressure, open oil pressure pump 34, hydraulic oil promote piston 13 to
Plugging drilling fluid displacement in leak stopping liquid storage tank 1 is entered vertical rotation shaft 25 by lower motion, and plugging drilling fluid is passed through with brill leak-proof leak-stopping
The lateral nozzle of instrument 211 sprays.Transferred with the improper rotation of vertical rotation shaft 25, plugging drilling fluid is in test core 216
Inwall formation " artificial core " completes Process of Leaking Stoppage.Oil pressure measuring device 35 in whole process in control and measuring system 3,
It is pumped measurement apparatus 36, confined pressure measurement apparatus 32, temperature measuring equipment 33, rotation-speed measuring device 38, the energy of drilling speed measurement apparatus 39
It is enough that related data is recorded, store, be easy to the analysis of subsequent experimental.
Embodiment 4
The present embodiment with bore leak-proof leak-stopping test method, using described in above-described embodiment with bore leak-proof leak-stopping experimental rig
Tested, wherein,
The plugging drilling fluid system configured is poured into leak stopping liquid storage tank, piston and tank top is installed；
Finished being connected with vertical rotation shaft and the plug assembling for boring leak-proof leak-stopping instrument；By the test core prepared
It is placed in the HTHP packing element of leakage blockage simulation device；
The plug with vertical rotation shaft and back pressure pipeline assembled is arranged on to the top of rock core kettle, HTHP is utilized
Test core is fixed for packing element, plug and rock core bottom lid；
Pressure sensor is installed on vertical rotation shaft top, temperature/pressure sensor is installed in rock core bottom portion, related line is connected
Road and pipeline；
Control and measuring system and Data Analysis Services system are opened, the temperature required for computer settings experiment is with enclosing
Pressure, opens confined pressure pump, and the annular space that hydraulic oil is injected between HTHP packing element and rock core kettle is applied for test core and enclosed
Pressure；Electric heater is opened simultaneously, and temperature is applied to test core；
After temperature and pressure and temperature reach desirable value, three phase electric machine is opened, arrangements for speed regulation are opened, the rotating speed of vertical rotation shaft is set
With lowering velocity；Displacement oil pressure is set simultaneously, oil pressure pump is opened, hydraulic oil promotes piston to move downward in leak stopping liquid storage tank
Plugging drilling fluid displacement enters vertical rotation shaft, and plugging drilling fluid is passed through to be sprayed with the lateral nozzle for boring leak-proof leak-stopping instrument；
Transferred with the improper rotation of vertical rotation shaft, plugging drilling fluid is complete in the inwall formation " artificial core " of test core
Into Process of Leaking Stoppage；
Oil pressure measuring device in whole process in control and measuring system 3, is pumped measurement apparatus, confined pressure measurement dress
Put, temperature measuring equipment, rotation-speed measuring device, drilling speed measurement apparatus can be recorded to related data, store.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (8)
1. it is a kind of with brill leak-proof leak-stopping experimental rig, it is characterised in that to include storing the leak stopping liquid storage tank and leakage-stop liquid of leakage-stop liquid
The leakage blockage simulation device of outlet and control and measuring system for controlling, recording leakage blockage simulation device working condition；
The leakage blockage simulation device, including simulator base, be arranged on simulator base simulator pallet, be arranged on the mould
Intend the leakage blockage simulation device body on device pallet, the leakage blockage simulation device body includes the rock core kettle of hollow circular cylinder structure, described
The lower open end of rock core kettle is connected with rock core bottom lid, and the upper open end of the rock core kettle is provided with plug, the rock core kettle
Portion is provided with inlet；The rock core kettle is internally provided with HTHP packing element, and test core is artificial for hollow cylinder
Rock core, test core is fixed on inside the cylindrical space that HTHP packing element inwall, rock core bottom lid, plug are formed；It is described
Rock core kettle inwall forms the annular space for applying confined pressure with HTHP packing element outer wall, and electric heater and temperature/pressure sensor are set
Put inside the annular space, temperature and confined pressure under the conditions of difference heat run rock core and measurement experiment in rock core kettle；It is described
Plug is provided with rotating mechanism and back pressure pipeline, and the rotating mechanism includes the vertical rotation shaft of hollow column jacket structure, the rotation
Vertical shaft upper end is provided with rotational speed governor, and the vertical rotation shaft lower end is placed in test core internal cavities through plug, and rotation is vertical
The upper end of axle and the leakage-stop liquid outlet of leak stopping liquid storage tank, facility is by rotatory sealing between vertical rotation shaft and plug；It is anti-with boring
Leakage leak stoppage tool is threadedly connected to the lower end of vertical rotation shaft；The pressure of pressure for measuring the leakage-stop liquid entered in rock core kettle is passed
Sensor is located at the upper end of vertical rotation shaft；The back pressure pipeline passes through plug, back pressure pipeline one end and the cavity inside experiment rock core
Connection, the other end is provided with back-pressure valve, for the pressure for the annular space for controlling to be formed between vertical rotation shaft and test core inwall
Power.
2. it is according to claim 1 with brill leak-proof leak-stopping experimental rig, it is characterised in that the control measuring system bag
Include：The oil pressure pump connected with oil inlet, the oil pressure pump is connected with the oil that measurement enters the oil pressure of leak stopping liquid storage tank upper space
Pressure measuring device；It is connected with pressure sensor, the pump pressure measurement apparatus of the pressure for the leakage-stop liquid that measurement enters in rock core kettle；With entering
Liquid mouthful connection provides the confined pressure pump of confined pressure for the test core in leakage blockage simulation device；Measure the confined pressure measurement dress of the confined pressure of experiment
Put；It is connected with the temperature/pressure sensor in leakage blockage simulation device, measures the temperature measuring equipment of the temperature of experiment；The three of leakage blockage simulation device
Rotation-speed measuring device and the survey of the rotary speed of measurement vertical rotation shaft are installed on the arrangements for speed regulation of phase motor connection, arrangements for speed regulation
Measure vertical rotation shaft lowering velocity drilling speed measurement apparatus.
3. it is according to claim 2 with brill leak-proof leak-stopping experimental rig, it is characterised in that also including being surveyed with described oil pressure
Amount device, pump pressure measurement apparatus, confined pressure measurement apparatus, temperature measuring equipment, rotation-speed measuring device, what drilling speed measurement apparatus was connected
The corresponding data for obtaining measurement experiment carries out subsequent analysis, the Data Analysis Services system of processing.
4. it is according to claim 1 with brill leak-proof leak-stopping experimental rig, it is characterised in that the simulator pallet is divided into
Upper, middle and lower-ranking, rock core bottom lid is placed on orlop simulator pallet, and rock core kettle outer wall is fixed with middle level simulator pallet
Connection, three phase electric machine is connected with revolution speed control system, is fixedly mounted on the superiors' simulator pallet.
5. it is according to claim 1 with brill leak-proof leak-stopping experimental rig, it is characterised in that the leak stopping liquid storage tank includes storage
Tank outer barrel, the storage tank outer barrel upper open end is provided with tank top, and the storage tank outer barrel lower open end is provided with storage tank bottom, described
Storage tank piston is provided with storage tank outer barrel, the tank top is provided with inlet, and the storage tank outer barrel bottom goes out provided with leakage-stop liquid
Mouthful.
6. it is according to claim 1 with brill leak-proof leak-stopping experimental rig, it is characterised in that the tank top and the storage
Tank outer barrel is connected through a screw thread, and the bottom of storage tank, which is covered, is threaded with storage tank base.
7. according to claim 1 with boring leak-proof leak-stopping experimental rig, it is characterised in that the vertical rotation shaft and plug it
Between be provided with rotatory sealing；Between leakage-stop liquid outlet and storage tank outer barrel, between oil inlet and tank top, back pressure pipeline with
Ring packing is respectively arranged between plug, between inlet and rock core kettle outer wall.
8. a kind of with boring leak-proof leak-stopping test method, it is characterised in that any described with boring leakproof using claim 1 to 7
Plugging test device is tested, wherein,
The plugging drilling fluid system configured is poured into leak stopping liquid storage tank, piston and tank top is installed；
Finished being connected with vertical rotation shaft and the plug assembling for boring leak-proof leak-stopping instrument；The test core prepared is placed
In the HTHP packing element of leakage blockage simulation device；
The plug with vertical rotation shaft and back pressure pipeline assembled is arranged on to the top of rock core kettle, HTHP glue is utilized
Cylinder, test core is fixed for plug and rock core bottom lid；
Pressure sensor is installed on vertical rotation shaft top, temperature/pressure sensor is installed in rock core bottom portion, connect related circuit and
Pipeline；
Control and measuring system and Data Analysis Services system are opened, temperature and confined pressure required for computer settings experiment are opened
Confined pressure pump is opened, is test core application confined pressure by the annular space that hydraulic oil is injected between HTHP packing element and rock core kettle；Together
When open electric heater, to test core apply temperature；
After temperature and pressure and temperature reach desirable value, three phase electric machine is opened, arrangements for speed regulation are opened, the rotating speed of vertical rotation shaft is set with
Put speed；Displacement oil pressure is set simultaneously, oil pressure pump is opened, hydraulic oil promotes piston to move downward the leak stopping in leak stopping liquid storage tank
Drilling fluid displacement enters vertical rotation shaft, and plugging drilling fluid is passed through to be sprayed with the lateral nozzle for boring leak-proof leak-stopping instrument；
Transferred with the improper rotation of vertical rotation shaft, plugging drilling fluid completes stifled in the inwall formation " artificial core " of test core
Leak through journey；
Oil pressure measuring device in whole process in control and measuring system 3, is pumped measurement apparatus, confined pressure measurement apparatus, temperature
Measurement apparatus is spent, rotation-speed measuring device, drilling speed measurement apparatus can be recorded to related data, stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019126.7A CN107102099A (en) | 2017-01-11 | 2017-01-11 | With brill leak-proof leak-stopping experimental rig and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019126.7A CN107102099A (en) | 2017-01-11 | 2017-01-11 | With brill leak-proof leak-stopping experimental rig and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107102099A true CN107102099A (en) | 2017-08-29 |
Family
ID=59676423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710019126.7A Pending CN107102099A (en) | 2017-01-11 | 2017-01-11 | With brill leak-proof leak-stopping experimental rig and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107102099A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671073A (en) * | 2019-10-23 | 2020-01-10 | 南智（重庆）能源技术有限公司 | Three-dimensional leakage stoppage method for natural gas well shaft leakage and test device thereof |
| CN110857944A (en) * | 2018-08-24 | 2020-03-03 | 中石化石油工程技术服务有限公司 | Drilling fluid leaking stoppage simulation evaluation device for fixing cracks |
| CN111081132A (en) * | 2019-12-24 | 2020-04-28 | 中国科学院广州能源研究所 | Mechanical stirring kettle and experimental measurement device for simulating deep sea oil and gas drilling process |
| CN112362563A (en) * | 2020-10-29 | 2021-02-12 | 中国石油天然气集团有限公司 | Device for evaluating corrosion resistance of petroleum pipe in oil-water coupling medium |
| CN113777028A (en) * | 2021-11-11 | 2021-12-10 | 成都理工大学 | Device and method for measuring adhesive strength between gel plugging material and rock wall surface |
| CN113933175A (en) * | 2020-06-29 | 2022-01-14 | 中国石油化工股份有限公司 | Evaluation device and evaluation method for granular plugging material |
| CN116087434A (en) * | 2023-03-13 | 2023-05-09 | 中国石油天然气集团有限公司 | Testing device and testing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2441137Y (en) * | 2000-09-14 | 2001-08-01 | 西南石油学院 | Blockage testing device |
| CN201024981Y (en) * | 2007-04-24 | 2008-02-20 | 中国石油天然气股份有限公司 | Physical leakage and lockage prevention under-well toll with a driller |
| CN203101363U (en) * | 2013-02-22 | 2013-07-31 | 中国石油天然气股份有限公司 | Experimental device for simulating annular space plugging agent stoppage repair of casing damage well |
| CN204203214U (en) * | 2014-03-11 | 2015-03-11 | 中国石油化工集团公司 | Multiparameter High Temperature High Pressure large diameter core clamper |
| CN204679347U (en) * | 2015-06-18 | 2015-09-30 | 西南石油大学 | A kind of drilling fluid pressurization sealing crushing test device |
-
2017
- 2017-01-11 CN CN201710019126.7A patent/CN107102099A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2441137Y (en) * | 2000-09-14 | 2001-08-01 | 西南石油学院 | Blockage testing device |
| CN201024981Y (en) * | 2007-04-24 | 2008-02-20 | 中国石油天然气股份有限公司 | Physical leakage and lockage prevention under-well toll with a driller |
| CN203101363U (en) * | 2013-02-22 | 2013-07-31 | 中国石油天然气股份有限公司 | Experimental device for simulating annular space plugging agent stoppage repair of casing damage well |
| CN204203214U (en) * | 2014-03-11 | 2015-03-11 | 中国石油化工集团公司 | Multiparameter High Temperature High Pressure large diameter core clamper |
| CN204679347U (en) * | 2015-06-18 | 2015-09-30 | 西南石油大学 | A kind of drilling fluid pressurization sealing crushing test device |
Non-Patent Citations (1)
| Title |
|---|
| 熊继有等: "物理法随钻防漏堵漏机制与试验", 《中国石油大学学报(自然科学版)》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110857944A (en) * | 2018-08-24 | 2020-03-03 | 中石化石油工程技术服务有限公司 | Drilling fluid leaking stoppage simulation evaluation device for fixing cracks |
| CN110671073A (en) * | 2019-10-23 | 2020-01-10 | 南智（重庆）能源技术有限公司 | Three-dimensional leakage stoppage method for natural gas well shaft leakage and test device thereof |
| CN111081132A (en) * | 2019-12-24 | 2020-04-28 | 中国科学院广州能源研究所 | Mechanical stirring kettle and experimental measurement device for simulating deep sea oil and gas drilling process |
| CN113933175A (en) * | 2020-06-29 | 2022-01-14 | 中国石油化工股份有限公司 | Evaluation device and evaluation method for granular plugging material |
| CN113933175B (en) * | 2020-06-29 | 2024-04-30 | 中国石油化工股份有限公司 | Evaluation device and evaluation method for particle plugging material |
| CN112362563A (en) * | 2020-10-29 | 2021-02-12 | 中国石油天然气集团有限公司 | Device for evaluating corrosion resistance of petroleum pipe in oil-water coupling medium |
| CN112362563B (en) * | 2020-10-29 | 2023-11-28 | 中国石油天然气集团有限公司 | Device for evaluating corrosion resistance of petroleum pipe in oil-water coupling medium |
| CN113777028A (en) * | 2021-11-11 | 2021-12-10 | 成都理工大学 | Device and method for measuring adhesive strength between gel plugging material and rock wall surface |
| CN113777028B (en) * | 2021-11-11 | 2022-01-18 | 成都理工大学 | Device and method for measuring adhesive strength between gel plugging material and rock wall surface |
| CN116087434A (en) * | 2023-03-13 | 2023-05-09 | 中国石油天然气集团有限公司 | Testing device and testing method |
| CN116087434B (en) * | 2023-03-13 | 2024-03-29 | 中国石油天然气集团有限公司 | Testing device and testing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107102099A (en) | With brill leak-proof leak-stopping experimental rig and method | |
| US9790743B2 (en) | Natural gas hydrate formation drilling simulation device | |
| CN104819914B (en) | Ultrasonic wave promotes the experimental provision of gas flow | |
| CN105756674B (en) | Fracture-matrix coupling flow damage evaluation device and method for simulating formation conditions | |
| CN106522933A (en) | Evaluation device and evaluation method for simulating damage of cementing slurry to reservoirs | |
| CN107782628A (en) | Single fissure rock test specimen staight scissors seepage flow test device and test method under a kind of hydrostatic conditions | |
| CN204679347U (en) | A kind of drilling fluid pressurization sealing crushing test device | |
| CN206233918U (en) | Oil/gas Well cement sheath sealing integrity test device | |
| CN103411750B (en) | High Temperature High Pressure full-hole core fracture plugging instrument | |
| CN109001438A (en) | A kind of joint seal gas shutoff experimental simulation device and test method | |
| CN104406910A (en) | Apparatus and method for testing cementation capability of well cementation first and second interfaces under high-temperature high-pressure conditions | |
| CN206957685U (en) | Shale gas hydrofrac fluid and the test device of stratum compatibility | |
| CN107339097B (en) | Leak stoppage evaluation device and method | |
| CN207499866U (en) | A kind of experimental provision for being used to evaluate horizontal well plugging effect | |
| CN202451142U (en) | Subsurface environment simulator | |
| CN103075147A (en) | Underground environment simulation device and method | |
| CN104849404A (en) | Well cementation flushing fluid evaluation device and experiment method thereof based on dynamic mud cake forming | |
| CN107421813A (en) | A kind of fluid pressure type analog casing confined pressure experimental rig and its confined pressure method | |
| CN1332195C (en) | High temperature, high pressure core dynamic harm valuation test instrument | |
| CN207634063U (en) | A kind of solvable bridge plug performance testing device | |
| CN115628032A (en) | Experimental device and method for simulating fractured formation multilayer leakage under directional well gas invasion condition | |
| CN106593416A (en) | Fluid annular pressure build-up experimental device and method | |
| CN108240955A (en) | Cement mortar is to the evaluation system and method for formation damage | |
| CN211478117U (en) | Portable saline soil in-situ frost heaving and subsidence detection device | |
| CN114622893A (en) | Underground leakage measurement-while-drilling device and method and leakage plugging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170829 |
|
| RJ01 | Rejection of invention patent application after publication |