CN208106401U - A kind of controlled pressure drilling imitative experimental appliance - Google Patents
A kind of controlled pressure drilling imitative experimental appliance Download PDFInfo
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- CN208106401U CN208106401U CN201820539479.XU CN201820539479U CN208106401U CN 208106401 U CN208106401 U CN 208106401U CN 201820539479 U CN201820539479 U CN 201820539479U CN 208106401 U CN208106401 U CN 208106401U
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Abstract
The utility model provides a kind of controlled pressure drilling imitative experimental appliance, stratum simulated assembly including storage unit, simulation drilling stratum, and it is enclosed the sheath assembly of drilling well annular space, the internal pressure of the stratum simulated assembly is less than the internal pressure of described sleeve pipe component, the stratum simulated assembly is connected to by missing pipeline with drilling well annular space, the leakage pipeline, which is equipped with, adjusts the first regulating valve that aperture simulates different leakage flows, and the first fluid flowmeter of detection wastage；The pressure detecting part of detection annular pressure is equipped in the drilling well annular space；The storage unit is connect with first fluid flowmeter and pressure detecting part.The utility model has many advantages, such as to simulate leakage, can accurately predict Well leakage position, and easy to operate.
Description
Technical field
The utility model relates to drilling experiment instrument more particularly to a kind of controlled pressure drilling imitative experimental appliances.
Background technique
Controlled pressure drilling refers to a kind of adaptive drilling process that annular pressure section is accurately controlled in entire wellbore, mesh
Be determine that down-hole pressure window to control the hydraulic section of annular space can reduce production cost, streamline operation, contracting
Short nonproductive time, and oil/gas well production efficiency can be improved.If being bored during controlled pressure drilling and meeting impermeable pressure-type mud shale,
Its permeability is low, porosity is small, and poor connectivity；And with the continuous drilling of drilling well, after pressure discharges, the borehole wall will lead to
The complex situations such as avalanche collapses, formation water output, eventually lead to the complex situations such as borehole well instability, leakage.During controlled pressure drilling
If leakage accident, which occurs, to bring heavy losses to entire drilling engineering, drilling time, loss drilling fluid and leak stopping are such as expended
Material causes a series of complex situation such as bit freezing, blowout, well slough, in some instances it may even be possible to will lead to wellbore and scrap, but also can be to stratum
It damages, leads to heavy economic losses.Due to the complexity of circulation problems, become the skill of puzzlement petroleum exploration and development always
Art problem.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies of the prior art and provide a kind of simulation leakage, can essence
Really prediction Well leakage position, and easy to operate controlled pressure drilling imitative experimental appliance.
In order to solve the above technical problems, the utility model proposes technical solution be：
A kind of controlled pressure drilling imitative experimental appliance, the stratum simulated assembly including storage unit, simulation drilling stratum, and
It is enclosed the sheath assembly of drilling well annular space, the inside that the internal pressure of the stratum simulated assembly is less than described sleeve pipe component is pressed
Power, the stratum simulated assembly are connected to by missing pipeline with drilling well annular space, and the leakage pipeline, which is equipped with, adjusts aperture simulation
First regulating valve of different leakage flows, and the first fluid flowmeter of detection wastage；Inspection is equipped in the drilling well annular space
Survey the pressure detecting part of annular pressure；The storage unit is connect with first fluid flowmeter and pressure detecting part.
As a further improvement of the above technical scheme：
The leakage pipeline is at least two groups, and leakage pipeline described in multiple groups is set gradually along the short transverse of drilling well annular space,
And the adjacent leakage pipeline is parallel to each other.
It further include temperature detection part, the temperature detection part is set in the drilling well annular space, the temperature detection part and institute
State storage unit connection.
The stratum simulated assembly includes the storage tube of storage leakage liquid, and the first sky of control storage overpressure
Press；First air compressor machine is connected to the storage tube, and the storage tube is connected to the drilling well annular space.
It is equipped with the second regulating valve for adjusting air inflow between first air compressor machine and storage tube, and detects air inflow
First gas flowmeter.
Described sleeve pipe component includes outer tube, inner tube, drill bit, rotary drive and two installation cover boards, the rotary drive
Driving end and one end of inner tube connect, the other end of said inner tube connect with drill bit；The two installation cover boards are removably pacified
Both ends loaded on the outer tube, the pressure detecting part are installed on the installation cover board of outer tube upper end.
It further include successively providing the supply assembly of drilling fluid, cutting grain and air to drilling well annular space, and for separating
The gas-solid-liquid separation assembly of mixture in drilling well annular space, the supply assembly is connected to the lower end of the drilling well annular space, described
Gas-solid-liquid separation assembly is connected to the upper end of the drilling well annular space.
The supply assembly includes drilling well liquid storage tank, the second air compressor machine and landwaste storing unit, the drilling well liquid storage tank and
Two air compressor machines are connected to drilling well annular space respectively, and the landwaste storing unit is set between drilling well liquid storage tank and drilling well annular space；The set
The lower section of tube assembly is connected to drilling well liquid storage tank, to collect drilling fluid after simulation.
It is equipped between the drilling well liquid storage tank and landwaste storing unit and is pumped into the hydraulic pump of drilling fluid, adjusts drilling well liquid stream
The third regulating valve of amount, and the second liquid flowmeter of detection mud flow rate；Second air compressor machine and drilling well annular space it
Between be equipped with adjusting gas flow the 4th regulating valve and detection gas flow second gas flowmeter.
The gas-solid-liquid separation assembly includes knockout drum and landwaste collecting part, and the knockout drum is equipped with and outside air
The gas vent of connection, the drainage hole being connected to drilling well liquid storage tank, and the chip-removal hole being connected to landwaste collecting part, the landwaste
Collecting part includes heating drier and landwaste collecting box, and the heating drier is set between knockout drum and landwaste collecting box.
Compared with prior art, the utility model has the advantage of：
The utility model is provided with stratum simulated assembly and sheath assembly, and the internal pressure of stratum simulated assembly is less than casing
The internal pressure of component, and the two passes through leakage pipeline connection, so that the mixture of sheath assembly can pass through leakage pipeline and enter
In the simulated assembly of stratum, the simulation of leakage is effectively realized, it is easy to operate, structure is simple.Meanwhile the utility model is set
It is equipped with storage unit, leakage pipeline is equipped with the first regulating valve and the first fluid flowmeter, is equipped with pressure detecting in drilling well annular space
Part, by the setting analog difference leakage flow of the first control valve opening, and storage unit and the first fluid flowmeter and pressure
Power detection piece connection, can real-time reception and record the first fluid flowmeter detection wastage and pressure detecting part detection
Annular pressure value, accurately to measure the relationship between wastage and annular pressure value；And it provides leakage amount to annular pressure
The experimental data of influence can predict the position that leakage occurs under actual condition by calculating, and forecasting accuracy is high, effectively
The generation for the problems such as safety is poor when avoiding drilling well, economic loss is big.
Detailed description of the invention
Hereinafter the utility model will be described in more detail based on the embodiments and with reference to the accompanying drawings.Wherein：
Fig. 1 is the structural schematic diagram of the utility model.
Each label indicates in figure：
1, storage unit；2, stratum simulated assembly；21, storage tube；22, the first air compressor machine；23, the second regulating valve；24,
One gas flowmeter；3, sheath assembly；31, drilling well annular space；32, outer tube；33, inner tube；34, drill bit；35, rotary drive；36,
Cover board is installed；4, pipeline is missed；41, the first regulating valve；42, the first fluid flowmeter；5, pressure detecting part；6, temperature detection
Part；7, supply assembly；71, drilling well liquid storage tank；72, the second air compressor machine；73, landwaste storing unit；74, hydraulic pump；75, third is adjusted
Valve；76, second liquid flowmeter；77, the 4th regulating valve；78, second gas flowmeter；8, gas-solid-liquid separation assembly；81, it separates
Tank；811, gas vent；812, drainage hole；813, chip-removal hole；82, heating drier；83, landwaste collecting box；9, on-off valve.
Specific embodiment
Under the utility model will be described in further details in conjunction with Figure of description and specific embodiment, but not therefore
And limit the protection scope of the utility model.
The embodiment of the utility model controlled pressure drilling imitative experimental appliance as shown in figure 1, when leakage occurs for pneumatics drilling well
When, entire 31 flow field of drilling well annular space will change, the variation of 31 pressure of drilling well annular space is eventually led to, 31 pressure of drilling well annular space
Variable quantity will generate tremendous influence to entire controlled pressure drilling, and 31 pressure variety of drilling well annular space is related to leakage amount, because
This, the utility model uses controlled pressure drilling imitative experimental appliance for leakage amount during controlled pressure drilling and drilling well annular space 31 for the first time
The variation relation of pressure is studied.
In the present embodiment, controlled pressure drilling imitative experimental appliance includes storage unit 1, stratum simulated assembly 2 and sheath assembly
3.Wherein, stratum simulated assembly 2 simulates drilling stratum, and sheath assembly 3 is enclosed drilling well annular space 31；Stratum simulated assembly 2
Internal pressure is less than the internal pressure of sheath assembly 3, and stratum simulated assembly 2 is connected to by missing pipeline 4 with drilling well annular space 31.Together
When, leakage pipeline 4 is equipped with the first regulating valve 41 and the first fluid flowmeter 42, can by the setting of 41 aperture of the first regulating valve
Different leakage flows are simulated, the first fluid flowmeter 42 can detect wastage；Pressure detecting part 5, pressure are equipped in drilling well annular space 31
Power detection piece 5 can detect the internal pressure of drilling well annular space 31；Storage unit 1 and the first fluid flowmeter 42 and pressure detecting part 5
Connection, to receive and record the wastage of the first fluid flowmeter 42 detection and the annular pressure of the detection of pressure detecting part 5
Value.
The utility model is provided with stratum simulated assembly 2 and sheath assembly 3, and the internal pressure of stratum simulated assembly 2 is less than
The internal pressure of sheath assembly 3, and stratum simulated assembly 2 and sheath assembly 3 are connected to by leakage pipeline 4, so that sheath assembly 3
Mixture can be entered in stratum simulated assembly 2 by leakage pipeline 4, effectively realize the simulation of leakage, it is easy to operate fast
Victory, structure are simple.Meanwhile the utility model is provided with storage unit 1, leakage pipeline 4 is equipped with the first regulating valve 41 and first
Fluid flowmeter 42, drilling well annular space 31 is interior to be equipped with pressure detecting part 5, and the setting analog for passing through 41 aperture of the first regulating valve is different
Leakage flow, and storage unit 1 is connect with the first fluid flowmeter 42 and pressure detecting part 5, it can real-time reception and record first
The annular pressure value that the wastage and pressure detecting part 5 that fluid flowmeter 42 detects detect, accurately to measure wastage and ring
Relationship between pneumatics force value；And it provides the experimental data that leakage amount influences annular pressure, it is i.e. predictable by calculating
The position of leakage occurs under actual condition out, forecasting accuracy is high, effectively prevents that safety is poor when drilling well, economic loss is big
The problems such as generation.
As shown in Figure 1, leakage pipeline 4 is four groups.Four groups of leakage pipelines 4 are successively set along the short transverse of drilling well annular space 31
It sets, and adjacent leakage pipeline 4 is parallel to each other, the variation between the wastage and annular pressure to measure different liquid-column heights is closed
System guarantees the accuracy of Well leakage position prediction.In other embodiments, the setting quantity for missing pipeline 4 can be according to drilling well annular space
31 height is adjusted, such as is set as two groups, three groups, five groups.In the present embodiment, the spacing of adjacent leakage pipeline 4 is
0.7m, in other embodiments, the spacing of adjacent leakage pipeline 4 can be adjusted according to requirement of experiment.
Further, the controlled pressure drilling imitative experimental appliance of the present embodiment further includes temperature detection part 6.Temperature detection part 6
In drilling well annular space 31, temperature detection part 6 is connect with storage unit 1, is detected with real-time reception and record temperature detection part 6
Annular space temperature value, temperature value is related with drilling fluid effective viscosity, further ensures the accuracy of Well leakage position prediction.This reality
It applies in example, pressure detecting part 5 is pressure sensor, and temperature detection part 6 is temperature sensor.
As shown in Figure 1, stratum simulated assembly 2 includes storage tube 21 and the first air compressor machine 22.Wherein, storage tube 21 and drilling well
Annular space 31 is connected to, and to store the leakage liquid of drilling well annular space 31, and can measure the wastage after missing；First air compressor machine 22
It is connected to storage tube 21, to control the pressure in storage tube 21, makes to keep certain pressure difference between storage tube 21 and drilling well annular space 31.
When carrying out leakage simulated experiment, by the aperture of the first regulating valve 41 from 1/4,1/2,3/4,1, storage tube 21 and drilling well annular space 31
Pressure difference carry out independent assortment experiment from 0.2MPa, 0.4MPa, 0.6MPa, 0.8MPa, 1MPa, and record the first fluid flow
The annular pressure changing value that the wastage and pressure detecting part 5 of 42 detection of meter detect.The utility model uses the first regulating valve 41
Changing rule after aperture independent assortment and pressure difference independent assortment simulation generation leakage between leakage amount and annular pressure, experiment
As a result and changing rule further ensures the accuracy that Well leakage position calculates.
Further, the second regulating valve 23 and the first gas are equipped between first air compressor machine 22 and storage tube 21 of the present embodiment
Flowmeter body 24.Wherein, the second regulating valve 23 adjusts the air inflow of storage tube 21, empty by adjusting the second regulating valve 23 and first
Press 22 can accurately guarantee that storage tube 21 and the steady pressure of drilling well annular space 31 are poor；First gas flowmeter 24 detects storage tube 21
Air inflow the accuracy of adjustment is guaranteed with the aperture of further the second regulating valve of feedback adjustment 23.
As shown in Figure 1, sheath assembly 3 includes outer tube 32, inner tube 33, drill bit 34, rotary drive 35 and two installation cover boards
36.Wherein, outer tube 32 and inner tube 33 are mutually socketed, and are enclosed drilling well annular space 31；The driving end of rotary drive 35 and inner tube
33 one end connection, the other end of inner tube 33 are connect with drill bit 34；Two installation cover boards 36 are removably installed in the two of outer tube 32
End guarantees simulation effect so that inner tube 33, the specification of outer tube 32 and drill bit 34 can be replaced according to live actual well drilled operating condition,
It is easy to operate, high-efficient.
Further, the diameter of outer tube 32 is identical as the diameter of storage tube 21, which ensure that leakage simulated experiment is accurate
Property；Inner tube 33, outer tube 32 are all made of high-intensitive high voltage bearing PC pipe, and the bearing capacity of PC pipe is 5MPa.In the present embodiment, pressure
Detection piece 5 and temperature detection part 6 are mounted on the installation cover board 36 of 32 upper end of outer tube.
As shown in Figure 1, controlled pressure drilling imitative experimental appliance further includes supply assembly 7 and gas-solid-liquid separation assembly 8.Wherein,
Supply assembly 7 is connected to the lower end of drilling well annular space 31, successively to provide drilling fluid, cutting grain and air to drilling well annular space 31,
To simulate actual well drilled operating condition；Gas-solid-liquid separation assembly 8 is connected to the upper end of drilling well annular space 31, to separate in drilling well annular space 31
Mixture achievees the purpose that experimental material recycles.
Further, the supply assembly 7 of the present embodiment includes drilling well liquid storage tank 71, the second air compressor machine 72 and landwaste storing unit
73.Wherein, drilling well liquid storage tank 71 and the second air compressor machine 72 are connected to drilling well annular space 31 respectively, to provide respectively to drilling well annular space 31
Drilling fluid and a small amount of air；Landwaste storing unit 73 is set between drilling well liquid storage tank 71 and drilling well annular space 31, with to drilling well annular space 31
Landwaste is provided.Which ensure that drilling simulation effect, and structure is simple and convenient to operate.In the present embodiment, the storage of sheath assembly 3
The lower section of pipe 21 is connected to drilling well liquid storage tank 71, and on-off valve 9 is equipped between storage tube 21 and drilling well liquid storage tank 71, is terminated in simulation
On-off valve 9 is opened afterwards, and the drilling fluid in storage tube 21 is flowed into drilling well liquid storage tank 71 and is recycled.
In the present embodiment, hydraulic pump 74, third regulating valve are equipped between drilling well liquid storage tank 71 and landwaste storing unit 73
75 and second liquid flowmeter 76, wherein hydraulic pump 74 is used to be pumped into drilling fluid to drilling well annular space 31；Third regulating valve 75 is adjusted
The flow of drilling fluid, second liquid flowmeter 76 detects the flow of drilling fluid, accurately to control the inlet of drilling fluid.Second is empty
The 4th regulating valve 77 and second gas flowmeter 78 are equipped between press 72 and drilling well annular space 31, wherein the 4th regulating valve 77 is adjusted
Air mass flow is saved, second gas flowmeter 78 detects air mass flow, accurately to control the inlet of air.In the present embodiment, the
One regulating valve 41, the second regulating valve 23, third regulating valve 75, the 4th regulating valve 77 are ball valve.
As shown in Figure 1, the gas-solid-liquid separation assembly 8 of the present embodiment includes knockout drum 81 and landwaste collecting part.Knockout drum
81 are equipped with gas vent 811, drainage hole 812 and chip-removal hole 813, wherein gas vent 811 is connected to outside air, drainage hole 812
It is connected to drilling well liquid storage tank 71, chip-removal hole 813 is connected to landwaste collecting part.In the present embodiment, into the brill of drilling well annular space 31
Well liquid, cutting grain and air are finally flowed from 31 upper end of drilling well annular space after the effect of inertia rotation rotated by drill bit 34 together
Enter gas-solid-liquid separation assembly 8 after out and carry out gas-liquid-solid three-phase separation, the gas isolated directly passes through gas vent 811 and is emitted into
In atmosphere, the drilling fluid isolated flows into drilling well liquid storage tank 71 by drainage hole 812, and the cutting grain isolated passes through chip-removal hole
813 enter landwaste collecting part.Its structure is simple and effectively increases the utilization efficiency of experimental material.
Further, landwaste collecting part includes heating drier 82 and landwaste collecting box 83.Wherein, heating drier 82
Between knockout drum 81 and landwaste collecting box 83, enters landwaste after the heated drying machine 82 of the cutting grain isolated is dry and receive
Header 83 carries out recycling again and uses.It recycles cutting grain in the dry state, ensure that the recycling matter of cutting grain
Amount.In the present embodiment, the average grain diameter of cutting grain is 2mm.
In the present embodiment, the physical simulation process of controlled pressure drilling imitative experimental appliance is：It is first shut off and is located at leakage pipeline 4
On four the first regulating valves 41, open rotary drive 35, to drive inner tube 33 and drill bit 34 to be rotated, simulate practical bore
Into process；Then hydraulic pump 74 is opened, third regulating valve 75 makes the drilling fluid in drilling well liquid storage tank 71 from entrance drilling well annular space 31
Interior, drilling fluid up returns out from annular space after the ejection of drill bit 34 during simulating actual well drilled；Circulation a period of time is to storage unit 1
The internal pressure of the drilling well annular space 31 of interior display opens landwaste storing unit 73, the drilling fluid into drilling well annular space 31 after tending towards stability
Cutting grain is added, creeps into the cutting grain generated during simulation actual well drilled；Then the second air compressor machine the 72, the 4th tune is opened
Valve 77 is saved, stablizes injection 0.25m into drilling fluid3The air of/h, stratum generates a small amount of gas during simulating actual well drilled.
Into drilling well annular space 31 drilling fluid, cutting grain and air together by drill bit 34 rotate effect of inertia rotation after finally from
31 upper end of drilling well annular space flows into knockout drum 81 and carries out gas-liquid-solid three-phase separation, and the gas isolated is directly discharged in atmosphere, point
The drilling fluid separated out flows into drilling well liquid storage tank 71, and the cutting grain isolated is by entering rock landwaste after the drying of heating drier 82
Collecting box 83 carries out recycling again and uses.
As shown in Figure 1, when gas, landwaste and drilling fluid recycle a period of time in pit shaft, to 1 display well of storage unit
After pressure level-off in annular space 31, the first air compressor machine 22 and the second regulating valve 23 are first opened, makes to produce in the first air compressor machine 22
Raw gas enters in storage tube 21, after controlling the pressure in storage tube 21 and the differing pressure 0.2MPa in outer tube 32, opens
The first regulating valve 41 on lowest part leakage pipeline 4, aperture are successively tested from 1/4,1/2,3/4,1 and record first
The pressure change of flow and drilling well annular space 31 that fluid flowmeter 42 is shown, is then switched off the first regulating valve 41 of lowest part；It
Successively open the first regulating valve 41 from bottom to up afterwards, and wherein one first regulating valve 41 open when other first regulating valves 41 close
It closes, repeat the above experiment and records experimental data.The height as locating for four the first regulating valves 41 is different, can measure not
With the wastage under liquid-column height and variation relation between annular pressure.Then by the pressure phase between storage tube 21 and outer tube 32
Difference is repeated in experiment according to 0.4MPa, 0.6MPa, 0.8MPa, 1MPa, while recording corresponding experimental data.I.e. by four
One regulating valve 41 is successively freely combined according to aperture from 1/4,1/2,3/4,1, and by the pressure between storage tube 21 and outer tube 32
After difference is also freely combined according to 0.2MPa, 0.4MPa, 0.6MPa, 0.8MPa, 1MPa, is tested and to record its corresponding
Experimental data.
After experiment, closes the first air compressor machine 22, the second air compressor machine 72, hydraulic pump 74, rotary drive 35, first and adjust
Valve 41, third regulating valve 75, the 4th regulating valve 77 are saved, on-off valve 9 is opened, the drilling fluid in storage tube 21 is flowed into drilling fluid storage
Tank 71 is recycled.Corresponding curve graph is made after experimental data is handled later, finds out changing rule.This is practical
It is novel occur during simulation controlled pressure drilling by the independent assortment of 41 aperture of the first regulating valve and the independent assortment of pressure difference
After leakage, changing rule between leakage amount and annular pressure, experimental result and changing rule will be to occurring pressure after leakage
Situation of change carries out Accurate Prediction.
Although the present utility model has been described by reference to the preferred embodiments, but in the model for not departing from the utility model
In the case where enclosing, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments be can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but is included all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of controlled pressure drilling imitative experimental appliance, which is characterized in that the stratum simulation including storage unit, simulation drilling stratum
Component, and it is enclosed the sheath assembly of drilling well annular space, the internal pressure of the stratum simulated assembly is less than described sleeve pipe group
The internal pressure of part, the stratum simulated assembly are connected to by missing pipeline with drilling well annular space, and the leakage pipeline is equipped with and adjusts
Section aperture simulates the first regulating valve of different leakage flows, and the first fluid flowmeter of detection wastage；The drilling well ring
The pressure detecting part of detection annular pressure is equipped in empty；The storage unit and first fluid flowmeter and pressure detecting part
Connection.
2. controlled pressure drilling imitative experimental appliance according to claim 1, which is characterized in that the leakage pipeline is at least two
Group, leakage pipeline described in multiple groups is set gradually along the short transverse of drilling well annular space, and the adjacent leakage pipeline is parallel to each other.
3. controlled pressure drilling imitative experimental appliance according to claim 1, which is characterized in that further include temperature detection part, institute
Temperature detection part is stated in the drilling well annular space, the temperature detection part is connect with the storage unit.
4. controlled pressure drilling imitative experimental appliance as claimed in any of claims 1 to 3, which is characterized in that describedly
Layer simulated assembly includes the storage tube of storage leakage liquid, and the first air compressor machine of control storage overpressure；Described first
Air compressor machine is connected to the storage tube, and the storage tube is connected to the drilling well annular space.
5. controlled pressure drilling imitative experimental appliance according to claim 4, which is characterized in that first air compressor machine and storage
The second regulating valve for adjusting air inflow, and the first gas flowmeter of detection air inflow are equipped between pipe.
6. controlled pressure drilling imitative experimental appliance as claimed in any of claims 1 to 3, which is characterized in that the set
Tube assembly includes outer tube, inner tube, drill bit, rotary drive and two installation cover boards, the driving end of the rotary drive and inner tube
One end connection, the other end of said inner tube connect with drill bit；The two installation cover boards are removably installed in the outer tube
Both ends, the pressure detecting part are installed on the installation cover board of outer tube upper end.
7. controlled pressure drilling imitative experimental appliance as claimed in any of claims 1 to 3, which is characterized in that further include
The supply assembly of drilling fluid, cutting grain and air successively is provided to drilling well annular space, and mixed in drilling well annular space for separating
The gas-solid-liquid separation assembly of object is closed, the supply assembly is connected to the lower end of the drilling well annular space, the gas-solid-liquid separation assembly
It is connected to the upper end of the drilling well annular space.
8. controlled pressure drilling imitative experimental appliance according to claim 7, which is characterized in that the supply assembly includes drilling well
Liquid storage tank, the second air compressor machine and landwaste storing unit, the drilling well liquid storage tank and the second air compressor machine are connected to drilling well annular space respectively, institute
Landwaste storing unit is stated to be set between drilling well liquid storage tank and drilling well annular space；The lower section of described sleeve pipe component is connected to drilling well liquid storage tank,
To collect drilling fluid after simulation.
9. controlled pressure drilling imitative experimental appliance according to claim 8, which is characterized in that the drilling well liquid storage tank and landwaste
The hydraulic pump for being pumped into drilling fluid, the third regulating valve for adjusting mud flow rate, and detection drilling well are equipped between storing unit
The second liquid flowmeter of flow quantity；The 4th adjusting between second air compressor machine and drilling well annular space equipped with adjusting gas flow
The second gas flowmeter of valve and detection gas flow.
10. controlled pressure drilling imitative experimental appliance according to claim 9, which is characterized in that the gas-solid-liquid separation assembly
Including knockout drum and landwaste collecting part, the knockout drum is equipped with the gas vent being connected to outside air and drilling well liquid storage tank
The drainage hole of connection, and the chip-removal hole being connected to landwaste collecting part, the landwaste collecting part include heating drier and
Landwaste collecting box, the heating drier are set between knockout drum and landwaste collecting box.
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| CN201820539479.XU CN208106401U (en) | 2018-04-16 | 2018-04-16 | A kind of controlled pressure drilling imitative experimental appliance |
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| CN201820539479.XU CN208106401U (en) | 2018-04-16 | 2018-04-16 | A kind of controlled pressure drilling imitative experimental appliance |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622745A (en) * | 2019-02-28 | 2020-09-04 | 中国石油化工股份有限公司 | Annulus pressure testing device and method for measuring influence of well leakage on annulus pressure |
| CN111997601A (en) * | 2020-09-27 | 2020-11-27 | 西南石油大学 | Device and method for measuring influence of rock debris content on natural gas hydrate drilling erosion |
| CN112081574A (en) * | 2020-09-27 | 2020-12-15 | 西南石油大学 | Device and method for measuring influence of microbend of natural gas hydrate drilling pipeline on flow field |
| CN112394018A (en) * | 2020-10-16 | 2021-02-23 | 中国石油大学(北京) | Measuring instrument and method for filtering loss |
| CN112647848A (en) * | 2020-11-30 | 2021-04-13 | 中海石油（中国）有限公司天津分公司 | Deep well drilling process simulation experiment device and experiment method |
| CN114198082A (en) * | 2021-11-26 | 2022-03-18 | 中国地质科学院勘探技术研究所 | Test device for simulating drilling of small-caliber drilling hole bottom under complex working conditions |
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2018
- 2018-04-16 CN CN201820539479.XU patent/CN208106401U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622745A (en) * | 2019-02-28 | 2020-09-04 | 中国石油化工股份有限公司 | Annulus pressure testing device and method for measuring influence of well leakage on annulus pressure |
| CN111997601A (en) * | 2020-09-27 | 2020-11-27 | 西南石油大学 | Device and method for measuring influence of rock debris content on natural gas hydrate drilling erosion |
| CN112081574A (en) * | 2020-09-27 | 2020-12-15 | 西南石油大学 | Device and method for measuring influence of microbend of natural gas hydrate drilling pipeline on flow field |
| CN111997601B (en) * | 2020-09-27 | 2022-07-15 | 西南石油大学 | Device and method for measuring influence of rock debris content on natural gas hydrate drilling erosion |
| CN112394018A (en) * | 2020-10-16 | 2021-02-23 | 中国石油大学(北京) | Measuring instrument and method for filtering loss |
| CN112394018B (en) * | 2020-10-16 | 2022-04-12 | 中国石油大学(北京) | Measuring instrument and method for filtering loss |
| CN112647848A (en) * | 2020-11-30 | 2021-04-13 | 中海石油（中国）有限公司天津分公司 | Deep well drilling process simulation experiment device and experiment method |
| CN114198082A (en) * | 2021-11-26 | 2022-03-18 | 中国地质科学院勘探技术研究所 | Test device for simulating drilling of small-caliber drilling hole bottom under complex working conditions |
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