CN206386105U - A kind of pressure break horizontal wellbore integrality experimental provision - Google Patents
A kind of pressure break horizontal wellbore integrality experimental provision Download PDFInfo
- Publication number
- CN206386105U CN206386105U CN201720026326.0U CN201720026326U CN206386105U CN 206386105 U CN206386105 U CN 206386105U CN 201720026326 U CN201720026326 U CN 201720026326U CN 206386105 U CN206386105 U CN 206386105U
- Authority
- CN
- China
- Prior art keywords
- horizontal wellbore
- pressure
- cavity
- side wall
- experimental provision
- 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.)
- Active
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model is a kind of pressure break horizontal wellbore integrality experimental provision, mainly including rectangular cavities, heater, interior pressure device, horizontal wellbore and package seal checker.Horizontal wellbore is intervally distributed with preforation tunnel and man-made fracture model.It is uniform in rectangular cavities that pressure sensor is installed, foil gauge is posted on well bore wall.There is heating rod in rectangular cavities, heater is constituted with the heating rod in pit shaft.Interior press pump can apply pressure into pit shaft by the mouth that presses；Cement mortar holding vessel injects cement mortar into rectangular cavity by inlet；High-pressure air source measures gas flow to measure the sealing of cement block by applying high pressure, the other end in rectangular cavities one end；The operating mode of different hole angles can be adjusted by gimbals.Can be with dummy level pit shaft in the presence of frac pressure and temperature, the situation of change of pit shaft stress, the distribution of cement internal stress and wellbore integrity, and different perforation types and different types of fractures combine the influence to wellbore integrity.
Description
Technical field
The research test of wellbore integrity when the utility model is related to pressure break horizontal well in Oil-Gas Well Engineering, more particularly to one
Plant pressure break horizontal wellbore integrality experimental provision.
Background technology
The oil-gas reservoir exploited at present is generally Low permeable oil and gas reservoirs type.Development well type is generally high temperature, high pressure fracture level
Well, fracture technology is the effective exploitation mode of Low permeable oil and gas reservoirs.Fractured horizontal well operation is to sleeve pipe-cement sheath-stratum
System is produced compared with noticeable effort, influences the integrality of horizontal wellbore, and integrality refers to the sealing property between pit shaft and cement sheath
Reliability.During pressure break and later development, it is original that the crack and high temperature and high pressure environment that pressure break is produced change cement sheath
Pressure distribution, produces stress concentration to sleeve pipe, causes sleeve pipe to be surrendered.
Current scholar's research analyzes the action condition setting of casing and cement sheath in non uniform ground stress and uniform crustal stress
Stress, room army discuss non uniform ground stress effect setting of casing and cement sheath stress；Li Jun, Yin Youquan etc. are discussed uniformly
The stress of crustal stress action condition setting of casing-cement sheath；Rodriguez etc. has carried out numerical simulation and underground to cement sheath stress
Measurement.Lay particular emphasis on influence of the crustal stress to casing failure more current research, do not account for the pressure loading and high temperature pair of pressure break
The influence of horizontal wellbore integrality.
Thus, the present inventor relies on experience and the practice for being engaged in relevant industries for many years, proposes that a kind of pressure break horizontal wellbore is complete
Whole property experimental provision, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of pressure break horizontal wellbore integrality experimental provision, can be with simulation water horizontal well
Cylinder is in the presence of frac pressure and temperature, the situation of change of pit shaft stress, the distribution of cement internal stress and wellbore integrity.
Another object of the present utility model is to provide a kind of pressure break horizontal wellbore integrality experimental provision, can simulated not
Same perforation diameter, hole density, perforation phase angle and different types of fractures combine the influence to wellbore integrity.
The purpose of this utility model is achieved in that a kind of pressure break horizontal wellbore integrality experimental provision, the pressure break
Horizontal wellbore integrality experimental provision includes：
Pressure sensor is evenly distributed with the cavity of closing, the cavity；
Horizontal wellbore, the horizontal wellbore passes through mutually isolated with the cavity inside the cavity, the horizontal wellbore；
The barrel of the horizontal wellbore, which is provided with preforation tunnel and foil gauge, the preforation tunnel, sets man-made fracture model, described
Man-made fracture model is communicated with the preforation tunnel；
Interior pressure device, the interior pressure device inside the horizontal wellbore with connecting, for applying into the horizontal wellbore
Pressure；
Cement mortar injection device, the cement mortar injection device is connected with the cavity, for being filled into the cavity
Cement mortar, cement slurry sets are solid-state cement block；
Heater, the heater is heated to horizontal wellbore inside and the inside cavity respectively；
Package seal checker, the package seal checker include high-pressure air source and gas flowmeter, the high-pressure air source to
Injection gases at high pressure in the cavity, gas flow of the gas flowmeter measurement from the cavity leakage；
Control and data acquisition device, the control and data acquisition device and the pressure sensor, the foil gauge,
The interior pressure device, the heater, the high-pressure air source and the gas flowmeter are connected.
In a better embodiment of the present utility model, the cavity has the first side wall being oppositely arranged and the second side
Wall；The two ends of the horizontal wellbore are sealed respectively to be inserted into the first side wall and the second sidewall, and the horizontal well
Cylinder is vertical with the first side wall and the second sidewall.
In a better embodiment of the present utility model, the interior pressure device is included on interior press pump, the first side wall
Provided with the pressure mouthful with being connected inside the horizontal wellbore；The interior press pump is connected by high pressure line with the pressure mouth.
In a better embodiment of the present utility model, the cement mortar injection device includes cement mortar holding vessel, institute
State the first side wall and be provided with the inlet connected with the cavity, the cement mortar holding vessel is connected with the inlet.
In a better embodiment of the present utility model, the first side wall is provided with inlet channel, second side
Wall is provided with outlet passageway；The high-pressure air source is connected with the inlet channel, the gas flowmeter and the outlet passageway
Connection；The inlet channel and the outlet passageway are equipped with controlled valve.
In a better embodiment of the present utility model, the heater includes heating rod, the heating rod difference
It is arranged in the horizontal wellbore and in the cavity.
In a better embodiment of the present utility model, heating liquid is injected with the horizontal wellbore.
It is axially and circumferential uniform on the barrel of the horizontal wellbore in a better embodiment of the present utility model
Provided with multi-openings eyelet, two foil gauges are set at each preforation tunnel, described two foil gauges are axially located at
The both sides of the preforation tunnel；Axially the centre position between two adjacent preforation tunnels sets a foil gauge.
In a better embodiment of the present utility model, the pressure sensor is provided with three rows, often arranges the pressure
The orientation of sensor is axially in parallel with the horizontal wellbore；The top of the horizontal wellbore is provided with pressure described in two rows and passed
Sensor, the lower section of the horizontal wellbore is provided with pressure sensor described in a row.
In a better embodiment of the present utility model, the cavity is rectangular cavities, and the rectangular cavities are provided with upper
Lid, side wall and base；The side wall surrounds a cuboid, and the first side wall is oppositely arranged with second sidewall；The horizontal wellbore
Two ends are sealed respectively to be inserted into the first side wall and the second sidewall, and the horizontal wellbore and the first side wall and
The second sidewall is vertical；The upper lid and the base are sealedly connected on the top and bottom of the side wall respectively；The bottom
Seat supports are on gimbals.
In a better embodiment of the present utility model, the first side wall is recessed with being respectively equipped with the second sidewall
Groove, the two ends of the horizontal wellbore are plugged in corresponding groove by O-ring seal sealing；The gimbals include four
Pillar, the adjustable in length of the pillar, for changing the angle of inclination of the rectangular cavities.
In a better embodiment of the present utility model, the heater includes heating rod, and a heating rod is set
In the horizontal wellbore, a heating rod is arranged in the upper lid, and a heating rod is arranged in the base.
From the above mentioned, the utility model by heating rod in horizontal wellbore and rectangular cavities are heated, by inside and outside
Fluid temperature (F.T.) in the mode simulated formation temperature and pit shaft of heating；By interior press pump to being applied internal pressure in pit shaft, pressure break is simulated
The pressure of operation；The preforation tunnel being distributed using horizontal well barrel and the man-made fracture modeling completion interval of well bottom being connected；In water
Clod one end sets high-pressure air source, and the other end sets the change procedure of gas flowmeter monitoring cement block sealing, i.e. cement block
The change procedure of integrality between horizontal wellbore.Foil gauge is posted in horizontal well barrel, pressure is uniformly distributed in rectangular cavities
The stress distribution of sensor, measurement horizontal wellbore stress strained situation and Behavior of Hardened Cement Paste.Each pressure sensor, foil gauge, internal pressure
The data of pump and gas flowmeter pass to computer by data wire, control to monitor the change of relevant parameter by computer programming
Change, for analysis pressure break when pit shaft strain, improve wellbore integrity, improve pit shaft service life indoor experimental data is provided.
Brief description of the drawings
The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model
Enclose.Wherein：
Fig. 1：For the schematic diagram of the utility model pressure break horizontal wellbore integrality experimental provision.
Embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated
Embodiment of the present utility model.
As shown in figure 1, the utility model provides a kind of pressure break horizontal wellbore integrality experimental provision, the pressure break level
Wellbore integrity experimental provision includes being evenly distributed with pressure sensor 2 in the cavity 1 of a closing, the cavity 1 of the closing.Chamber
The shape of body 1 is preferred to use rectangular cavities 1, and rectangular cavities 1 can simulate true triaxial stress, and effect is more preferable.Laterally worn in cavity 1
A horizontal wellbore 3 is crossed, it is mutually isolated by barrel between the inside of horizontal wellbore 3 and the cavity 1.The horizontal wellbore 3
Barrel be provided with preforation tunnel 4 and foil gauge 5, preforation tunnel 4 according to experiment need can simulate different perforation diameters, hole
Density and perforation phase angle.An artificial fractured model 6, the man-made fracture are provided with each preforation tunnel 4 of correspondence
Model 6 is communicated with the preforation tunnel 4.Man-made fracture model 6 is plastic material, there is certain degree of hardness and elasticity, according to experiment need
Different shape is designed to, the different types of fractures such as transverse crack, longitudinal crack, oblique crack can be simulated.Man-made fracture mould
Type 6 has certain rigidity, and its root is fixed in preforation tunnel 4 and with being communicated inside pit shaft, will not sent out in grout injection
Raw to deviate, the pressure break that the space occupied after perfusion full water mud by man-made fracture model 6 is formed as simulation in cement block is split
Seam.
Interior pressure device is connected with the inside of horizontal wellbore 3, for applying pressure into the horizontal wellbore 3, to simulate
Frac pressure in pit shaft.Cement mortar injection device is connected with the cavity 1, for filling cement mortar, water into the cavity 1
Mud is solidified as solid-state cement block, and sealing is formed between horizontal wellbore 3, complete for the sealing between simulation wellbore hole and cement sheath
Whole property.Heater is internally heated to the inside of horizontal wellbore 3 and the cavity 1 respectively；Can be with simulated formation temperature
Fluid temperature (F.T.) in degree and pit shaft.Package seal checker includes high-pressure air source 7 and gas flowmeter 8, and the high-pressure air source 7 is to institute
Injection gases at high pressure in cavity 1 are stated, the gas flowmeter 8 measures the gas flow leaked from the cavity 1.High-pressure air source 7
Be in order to the two ends of cement block formed pressure difference, gas is flowed to the other end along the microcrack in cement block.Gas flowmeter 8 is used
To measure the speed that gas flows through, to measure the degree of cement block seal failure.Pass through the registration of gas flowmeter 8 and high-pressure air source
7 pressure differences formed represent the degree of cement block seal failure.The pressure sensor 2, the foil gauge 5, it is described in press-fit
Put, the heater, the high-pressure air source 7 and the gas flowmeter 8 be all by data wire 25 and control and data acquisition
Device is connected, and control and data acquisition device can use computer 9.
Can be with dummy level pit shaft 3 in the presence of frac pressure and temperature by above technical scheme, pit shaft stress, water
The distribution of mud internal stress and the situation of change of wellbore integrity.And different perforation diameters, hole density, perforation phase angle can be simulated
And different types of fractures combine the influence to wellbore integrity.
Specifically, cavity 1 of the present utility model uses rectangular cavities 1, the rectangular cavities 1 provided with upper lid 10, side wall and
Base 11；The side wall surrounds a cuboid, with four side walls being oppositely arranged two-by-two, wherein the first side wall 12 and second
Side wall 13 is oppositely arranged, i.e., the side wall of left and right two shown in Fig. 1, the left side for the first side wall 12, the right for second sidewall
13.The two ends of the horizontal wellbore 3 are sealed respectively to be inserted into the first side wall 12 and the second sidewall 13, and the water
Horizontal well cylinder 3 is vertical with the first side wall 12 and the second sidewall 13.On the first side wall 12 and the second sidewall 13
Groove is respectively equipped with, the two ends of the horizontal wellbore 3 are plugged in corresponding groove by the sealing of O-ring seal 14.On described
Lid 10 and the base 11 are sealedly connected on the top and bottom of the side wall by bolt respectively；The base 11 is supported on ten thousand
To on support 15.The gimbals 15 include four pillars, and four pillars are respectively supported at four angles of base 11, institute
The adjustable in length of pillar is stated, for changing the angle of inclination of the rectangular cavities 1, and then changes the inclination angle of horizontal wellbore 3
Degree, can simulate the operating mode of different hole angles.
The interior pressure device includes interior press pump 16, and interior press pump 16 is connected by data wire 25 with computer 9, by computer 9
The pressure of the interior press pump 16 is controlled, well cylinder pressure at certain depth is predicted according to well cylinder pressure distributed model, by interior
Press pump 16 presses, and experiment well cylinder pressure is reached the depth internal pressure.The first side wall 12 is provided with and the horizontal well
The pressure mouthful 17 of the inside of cylinder 3 connection, pressure mouth 17 and horizontal wellbore 3 are concentric；The interior press pump 16 passes through high pressure line and institute
State pressure mouth 17 to be connected, pressure is applied into horizontal wellbore 3.The cement mortar injection device includes cement mortar holding vessel 18, institute
State the first side wall 12 and be provided with the inlet 19 connected with the cavity 1, inlet 19 is located at the bottom of the first side wall 12, is located at
The lower section of pressure mouth 17, the cement mortar holding vessel 18 is connected by pipeline with the inlet 19, and pipeline is provided with valve 20.
Inlet channel 21 is additionally provided with the first side wall 12, inlet channel 21 is located at the top of the first side wall 12, positioned at pressure mouth 17
Top.The second sidewall 13 is provided with outlet passageway 22, and outlet passageway 22 is located at the bottom of second sidewall 13.The high pressure
Source of the gas 7 is connected with the inlet channel 21, is injected into rectangular cavities 1 in gases at high pressure, high-pressure air source 7 and is additionally provided with pressure gauge
23, the gas flowmeter 8 is connected with the outlet passageway 22.Pressure gauge 23 and gas flowmeter 8 by data wire 25 with
Computer 9 is connected, and the data measured are transferred into computer 9.The inlet channel 21 and the outlet passageway 22 are equipped with out
Closing valve (not shown), when injecting cement mortar into rectangular cavities 1, controlled valve is closed, it is to avoid cement mortar is from air inlet
Passage 21 or outlet passageway 22 are spilt.Upper lid 10, which is provided with, overflows pipeline (not shown), and overflowing pipeline is used to be vented, and when excessive
Illustrate that cement mortar is already filled with when going out in pipeline to have spilling.The heater includes heating rod 24, and the heating rod 24 is distinguished
Be arranged in the horizontal wellbore 3 and the cavity 1 in, respectively will heating and by the rectangle outside horizontal wellbore 3 in horizontal wellbore 3
Cement block heating in cavity 1.Heating liquid, such as water or oil can be injected with the horizontal wellbore 3.Heating rod 24 is provided with
Three, wherein a heating rod 24 is inserted into inside horizontal wellbore 3 from second sidewall 13, two heating rods 24 can be set in addition
In the cement block of rectangular cavities 1, it can also be separately positioned in lid 10 and base 11.Heating rod 24 by data wire 25 with
Computer 9 is connected, and the heating-up temperature of heating rod 24 is controlled by computer 9.Certain depth is gone out according to Wellbore Temperature Field model prediction
Locate formation temperature and downhole well fluid temperature, the control heating of heating rod 24 makes temperature in rectangular cavities 1 and pit shaft respectively reach this
Depth formation temperature and wellbore fluids temperature.
The pressure sensor 2 in rectangular cavities 1 is provided with three rows, often arranges the orientation of the pressure sensor 2
It is axially in parallel with the horizontal wellbore 3, arranged in Fig. 1 for horizontal direction, be divided into the row of upper, middle and lower three, the pressure of each row is passed
The uniform intervals of sensor 2 are distributed.The top of the horizontal wellbore 3 is provided with pressure sensor 2 described in two rows, the horizontal wellbore 3
Lower section is provided with pressure sensor 2 described in a row.Axially and circumferentially multiple penetrate is uniformly provided with the barrel of the horizontal wellbore 3
Hole eyelet 4, i.e., be intervally distributed with multi-turn preforation tunnel 4, each circle preforation tunnel 4 is circumferentially along in the axial direction of horizontal wellbore 3
Direction uniform intervals distribution.Two foil gauges 5 are provided with each preforation tunnel 4, two foil gauges 5 axially position
The left and right sides of preforation tunnel 4 in the both sides of the preforation tunnel 4, i.e. Fig. 1.Axially two adjacent preforation tunnels 4
Between centre position one foil gauge 5 is set, i.e. centre position in Fig. 1 between the two adjacent perforations eyelets 4 in left and right is set
One foil gauge 5.The strain of at measurement well bore face preforation tunnel 4 and middle respectively.Two axially adjacent preforation tunnels 4
Between can also uniform intervals multiple foil gauges 5 are set, a foil gauge 5 is not limited to, the distance between eyelet is limited, without must
It is distributed excessive foil gauge 5.Pressure sensor 2 and foil gauge 5 are connected by data wire 25 with computer 9, by the number measured
According to being transferred to computer 9.
Temperature, pressure, preforation tunnel 4 and crack are to horizontal well wellbore integrity when the experimental provision can simulate pressure break
Influence, specific experimentation is as follows：
1st, Preparatory work of experiment
Near the preforation tunnel 4 of horizontal wellbore 3, the centre position of two preforation tunnel 4 stick foil gauge 5, the direction of foil gauge 5
Orthogonal, measurement pit shaft is axially and radially strained.Preforation tunnel 4 on the wall of horizontal wellbore 3 is connected with man-made fracture.
(2) upper, middle and lower-ranking distribution pressure sensor 2 is divided in rectangular cavities 1, and pressure sensor 2 is supported on when initial
Upper lid 10, horizontal wellbore 3 is arranged on the first side wall 12 and second sidewall 13, with O-ring seal 14 by horizontal wellbore 3 and two
The side wall sealing at end.Thin layer butter is smeared in the inwall of rectangular cavities 1, experimental provision is dismantled after terminating beneficial to experiment.In horizontal well
Injection heating liquid (water or oil) in cylinder 3, heating rod 24 is inserted in horizontal wellbore 3 and sealed, in upper lid 10 and base 11
Configured good corresponding heating rod 24；Upper lid 10 is connected with rectangular cavities 1 by bolt seal.
(3) gimbals 15 are adjusted to the hole angle of the simulation well section needed for experiment.
(4) cement mortar is made according to a certain percentage in cement mortar holding vessel 18.
2nd, inject and conserve
(1) the valve 20 on pipeline is opened, the cement configured is injected into rectangular cavities 1 by cement mortar holding vessel 18
Slurry, shows that cement mortar is already filled with when having cement mortar to be overflowed from pipeline is overflowed, closes valve 20.
(2) control the heating rod 24 in upper lid 10 and base 11 to be heated to 120 DEG C, controlled level pit shaft 3 by computer 9
Liquid is to 50 DEG C in the interior heat levels pit shaft 3 of heating rod 24.In the lower maintenance 3 days that imposes a condition, it is cement to make cement slurry sets
Block.
(3), after after cement mortar consolidation, stop heating, temperature in pit shaft is down to normal temperature.
3rd, heat and test
(1) high-pressure air source 7 and gas flowmeter 8 are opened, the heating rod in upper lid 10 and base 11 is controlled by computer 9
24 heating rods 24 being heated in 120 DEG C, controlled level pit shaft 3 are heated to 50 DEG C.Press pump 16 in opening, is applied to horizontal wellbore 3
Plus internal pressure.The data of pressure sensor 2, foil gauge 5 by data line are transferred to computer 9, cement block is therefrom recorded
The change of sealing, wellbore casing stress.Knot is tested when the data of pressure sensor 2 and the data of foil gauge 5 no longer change
Beam.
(2) after experiment terminates, interior press pump 16 is closed, stops heating, pressure release.
The key technical indexes during experiment is：Experimental temperature：- 200 DEG C of room temperature；Well cylinder pressure：0-50Mpa；Rectangular cavity
The size of body 1：Long 1m, wide 0.3m, high 0.3m；The size of horizontal wellbore 3：Long 0.9m, external diameter 114.3mm, wall thickness 8.65mm.
The integrality experimental provision of pressure break horizontal wellbore 3 of the present utility model has advantages below：
1st, the utility model compensate for the shadow of the stress and temperature of analysis level pit shaft 3 that prior art ignores in pressure break
The factor of sound, complete test data is provided to improve the integrality of analysis level pit shaft 3.
2nd, perforation diameter, hole density, perforation phase angle are not all different on the wall of varying level pit shaft 3 in the utility model, and not
Influence of the different shaft bottom situation fracturings to wellbore integrity can be simulated with man-made fracture combination.
The schematical embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to
Enclose.Any those skilled in the art, the made equivalent change on the premise of design of the present utility model and principle is not departed from
Change and change, the scope of the utility model protection all should be belonged to.
Claims (12)
1. a kind of pressure break horizontal wellbore integrality experimental provision, it is characterised in that the pressure break horizontal wellbore integrality experiment dress
Put including：
Pressure sensor is evenly distributed with the cavity of closing, the cavity；
Horizontal wellbore, the horizontal wellbore passes through mutually isolated with the cavity inside the cavity, the horizontal wellbore；It is described
The barrel of horizontal wellbore, which is provided with preforation tunnel and foil gauge, the preforation tunnel, sets man-made fracture model, described artificial
Fractured model is communicated with the preforation tunnel；
Interior pressure device, the interior pressure device inside the horizontal wellbore with connecting, for applying pressure into the horizontal wellbore；
Cement mortar injection device, the cement mortar injection device is connected with the cavity, for filling cement into the cavity
Slurry, cement slurry sets are solid-state cement block；
Heater, the heater is heated to horizontal wellbore inside and the inside cavity respectively；
Package seal checker, the package seal checker includes high-pressure air source and gas flowmeter, and the high-pressure air source is to described
Injection gases at high pressure in cavity, gas flow of the gas flowmeter measurement from the cavity leakage；
Control and data acquisition device, it is the control and data acquisition device and the pressure sensor, the foil gauge, described
Interior pressure device, the heater, the high-pressure air source and the gas flowmeter are connected.
2. pressure break horizontal wellbore integrality experimental provision as claimed in claim 1, it is characterised in that the cavity has relative
The first side wall and second sidewall of setting；The two ends of the horizontal wellbore are sealed respectively is inserted into the first side wall and described
In two side walls, and the horizontal wellbore is vertical with the first side wall and the second sidewall.
3. pressure break horizontal wellbore integrality experimental provision as claimed in claim 2, it is characterised in that the interior pressure device includes
Interior press pump, the first side wall is provided with the pressure mouthful with being connected inside the horizontal wellbore；The interior press pump passes through high-voltage tube
Line is connected with the pressure mouth.
4. pressure break horizontal wellbore integrality experimental provision as claimed in claim 2, it is characterised in that the cement mortar injection dress
Put including cement mortar holding vessel, the first side wall is provided with the inlet connected with the cavity, the cement mortar holding vessel
It is connected with the inlet.
5. pressure break horizontal wellbore integrality experimental provision as claimed in claim 2, it is characterised in that set on the first side wall
There is inlet channel, the second sidewall is provided with outlet passageway；The high-pressure air source is connected with the inlet channel, the gas
Flowmeter is connected with the outlet passageway；The inlet channel and the outlet passageway are equipped with controlled valve.
6. pressure break horizontal wellbore integrality experimental provision as claimed in claim 1, it is characterised in that the heater includes
Heating rod, the heating rod is separately positioned in the horizontal wellbore and in the cavity.
7. pressure break horizontal wellbore integrality experimental provision as claimed in claim 6, it is characterised in that noted in the horizontal wellbore
Enter to have heating liquid.
8. pressure break horizontal wellbore integrality experimental provision as claimed in claim 1, it is characterised in that the cylinder of the horizontal wellbore
Multi-openings eyelet axially and circumferentially is uniformly provided with wall, two foil gauges are set at each preforation tunnel, it is described
Two foil gauges are axially located at the both sides of the preforation tunnel；The axially centre between two adjacent preforation tunnels
Position sets a foil gauge.
9. pressure break horizontal wellbore integrality experimental provision as claimed in claim 1, it is characterised in that the pressure sensor is set
Three rows are equipped with, the axially in parallel of the orientation of the pressure sensor and the horizontal wellbore is often arranged；The horizontal wellbore
Top is provided with pressure sensor described in two rows, and the lower section of the horizontal wellbore is provided with pressure sensor described in a row.
10. pressure break horizontal wellbore integrality experimental provision as claimed in claim 1, it is characterised in that the cavity is rectangle
Cavity, the rectangular cavities are provided with upper lid, side wall and base；The side wall surrounds a cuboid, the first side wall and second sidewall
It is oppositely arranged；The two ends of the horizontal wellbore are sealed respectively to be inserted into the first side wall and the second sidewall, and described
Horizontal wellbore is vertical with the first side wall and the second sidewall；The upper lid and the base are sealedly connected on described respectively
The top and bottom of side wall；The base is supported on gimbals.
11. pressure break horizontal wellbore integrality experimental provision as claimed in claim 10, it is characterised in that the first side wall with
It is respectively equipped with groove in the second sidewall, the two ends of the horizontal wellbore are plugged on corresponding recessed by O-ring seal sealing
In groove；The gimbals include four pillars, the adjustable in length of the pillar, for changing the inclination of the rectangular cavities
Angle.
12. pressure break horizontal wellbore integrality experimental provision as claimed in claim 10, it is characterised in that the heater bag
Heating rod is included, a heating rod is arranged in the horizontal wellbore, and a heating rod is arranged in the upper lid, a heating rod
It is arranged in the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026326.0U CN206386105U (en) | 2017-01-10 | 2017-01-10 | A kind of pressure break horizontal wellbore integrality experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026326.0U CN206386105U (en) | 2017-01-10 | 2017-01-10 | A kind of pressure break horizontal wellbore integrality experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206386105U true CN206386105U (en) | 2017-08-08 |
Family
ID=59492126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720026326.0U Active CN206386105U (en) | 2017-01-10 | 2017-01-10 | A kind of pressure break horizontal wellbore integrality experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206386105U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155962A (en) * | 2019-01-15 | 2020-05-15 | 王瀚艺 | System and method for improving cased wellbore integrity |
| CN113107467A (en) * | 2021-05-11 | 2021-07-13 | 西南石油大学 | System and method for testing integrity of secondary cementing cement sheath after perforation and fracturing of natural gas well in coal mine overlapping area |
| CN114607331A (en) * | 2020-11-24 | 2022-06-10 | 中国石油天然气股份有限公司 | Horizontal well subsection volume fracturing simulation test device and method |
-
2017
- 2017-01-10 CN CN201720026326.0U patent/CN206386105U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155962A (en) * | 2019-01-15 | 2020-05-15 | 王瀚艺 | System and method for improving cased wellbore integrity |
| CN111155962B (en) * | 2019-01-15 | 2022-02-08 | 王瀚艺 | System and method for improving cased wellbore integrity |
| CN114607331A (en) * | 2020-11-24 | 2022-06-10 | 中国石油天然气股份有限公司 | Horizontal well subsection volume fracturing simulation test device and method |
| CN114607331B (en) * | 2020-11-24 | 2023-09-26 | 中国石油天然气股份有限公司 | Horizontal well sectional volume fracturing simulation test device and method |
| CN113107467A (en) * | 2021-05-11 | 2021-07-13 | 西南石油大学 | System and method for testing integrity of secondary cementing cement sheath after perforation and fracturing of natural gas well in coal mine overlapping area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106703777A (en) | Experimental facility for integrity of fractured horizontal shaft | |
| CN106499385B (en) | Device and method for evaluating fracture environment setting of casing integrality | |
| CN102797458B (en) | For the three-dimensional simulation device of bottom and edge water | |
| CN206386105U (en) | A kind of pressure break horizontal wellbore integrality experimental provision | |
| CN103266888A (en) | System and method for visualization fracturing simulation experiment | |
| CN105334142B (en) | A kind of experimental provision formed for simulating shield mud film | |
| CN106593414A (en) | Experimental device and method for testing cementing strength of cement loop and sleeving pipes | |
| CN106640062B (en) | Cementing slurry water enchroachment (invasion) Simulation evaluation instrument and evaluation method | |
| CN109611085B (en) | Hydraulic fracturing coal-series reservoir fracture extension form simulation device and simulation method thereof | |
| CN105178927B (en) | A kind of displacement simulation experimental provision and system | |
| CN204422525U (en) | High-temperature high pressure water mudding performance test evaluating apparatus | |
| CN103674593B (en) | A kind of device and method for simulating the flood pot test of low permeability reservoir pressure break straight well | |
| CN106198890A (en) | A kind of indoor grouting simulation test device and using method thereof | |
| CN103256047A (en) | Method for researching variable mass multiphase flowing regular in horizontal well fracturing completion method | |
| CN104005742A (en) | Method and device for simulating differential water injection of heterogeneous reservoir in laboratory | |
| CN106593411A (en) | Experimental device and method for airtightness of cement sheath and uplifting of casings | |
| CN105096718B (en) | A kind of test method and model of simulation reservoir seepage control of dam curtain | |
| CN208718637U (en) | A kind of grease well acidizing plugging removal effect simulating-estimating device | |
| CN105547665A (en) | Screen pipe sand-prevention test device and test method | |
| CN105675644A (en) | Constant temperature and constant pressure seal test apparatus | |
| CN109211757A (en) | A kind of In Rock Seepage Tests device and its test method | |
| CN205262912U (en) | Experimental device for it constructs sludge -biofilm formation to be used for simulating shield | |
| CN110306976B (en) | Inert gas injection control annular pressure experiment device and method | |
| CN205314989U (en) | It plans experimental apparatus to be applicable to deep well high temperature fluid slug well completion well tube formwork | |
| CN206339544U (en) | A kind of device for determining sealing agent shut-off capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |