CN105863611A - Multi-well multi-phase annulus cuttings carrying simulator - Google Patents
Multi-well multi-phase annulus cuttings carrying simulator Download PDFInfo
- Publication number
- CN105863611A CN105863611A CN201610433601.0A CN201610433601A CN105863611A CN 105863611 A CN105863611 A CN 105863611A CN 201610433601 A CN201610433601 A CN 201610433601A CN 105863611 A CN105863611 A CN 105863611A
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- analog
- outer pipes
- pipe
- annular space
- well
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Abstract
The invention relates to a multi-well multi-phase annulus cuttings carrying simulator. The multi-well multi-phase annulus cuttings carrying simulator comprises an internal and external pipe simulator and a data acquisition and processing system, wherein the internal and external pipe simulator is formed by arranging an internal pipe in an external pipe, and mounted in a well-type simulator, a cuttings propeller is connected to the bottom of the internal and external pipe simulator, and an eccentric adjusting mechanism is arranged at the top of the internal and external pipe simulator; a gas storage tank is connected to a gathering pipe arranged at the top of the internal pipe through a pipeline, and a gas flow meter and a first pressure sensor are arranged on the pipeline; a liquid storage tank is connected to a gathering pipe arranged at the top of the internal pipe through a pipeline, and a liquid flow meter and a second pressure sensor are arranged on the pipeline; an upper outlet pipe is arranged in an annular space between the internal pipe and the external pipe, and a gas-liquid-solid three-phase flow meter is connected on the outlet pipe. With the adoption of the multi-well multi-phase annulus cuttings carrying simulator disclosed by the invention, cuttings grains and transportation settlement of a cuttings bed of multi-well multi-phase fluid under different working conditions can be visually simulated in real time.
Description
Technical field
The present invention relates to the drilling technology in Oil and Natural Gas Engineering field, be specifically related to a kind of heterogeneous annular space of many well type and take bits analog.
Background technology
Exploitation and the development of drilling technology along with unconventionaloil pool, current well type and working solution type are more and more abundanter, at present, common well type includes: straight well, deviated wells, directional well, horizontal well, extended reach well and multilateral well etc., working solution can be divided into: gas, aerated mud, foam drilling fluid, monophasic fluid etc., annular space well purifying problem is the most increasingly severe, light then cause drilling efficiency low, heavy then be well slug, hole collapse, cause bit freezing, the accident such as well shooting.The degree of purification of well and drilling fluid types, annular space return speed, hole angle, the eccentric degree of drill string, the rotation of drill string and cuttings shape and and concentration relationship close, understand fully the bore hole annulus Cutting movement rule under different well type and fluid application, be the drilling well rationale problem that must solve of drilling well.Therefore, set up a set of many well type multiphase flow annular space and take bits analog, indoor simulation cutting grain directly perceived, visual and the migration infall process of cutting bed, important and need badly.
Summary of the invention
It is an object of the invention to provide a kind of heterogeneous annular space of many well type and take bits analog, this heterogeneous annular space of many well type takes bits analog for lab simulation straight well, directional well and horizontal well etc., Annular Cuttings migration rule under the heterogeneous fluid effect such as gas-solid, liquid-solid and gas-liquid-solid, disclose hole cleaning mechanism and critical condition, the problem solving annular space hole cleaning.
The technical solution adopted for the present invention to solve the technical problems is: this heterogeneous annular space of many well type is taken bits analog and included inner and outer pipes analog, eccentric mechanism, electric rotating machine, landwaste propeller, air accumulator, fluid reservoir, well type analog, data acquisition processing system, inner and outer pipes analog is constituted by arranging inner tube in outer tube, the bottom of inner and outer pipes analog connects landwaste propeller, the top of inner and outer pipes analog arranges eccentric mechanism, inner tube connects electric rotating machine, and inner and outer pipes analog is arranged in well type analog；Air accumulator is connected to, by pipeline, the header that inner tube top is arranged, and this pipeline arranges gas flowmeter and the first pressure transducer；Fluid reservoir is connected to, by pipeline, the header that inner tube top is arranged, and this pipeline arranges fluid flowmeter and the second pressure transducer；Annular space between inner and outer pipe is provided with upper outlet pipe, and outlet connects gas-liquid-solid three-phase effusion meter；Described gas flowmeter, fluid flowmeter, gas-liquid-solid three-phase effusion meter, the first pressure transducer, the second pressure transducer are all connected with data acquisition processing system；Eccentric mechanism is made up of top flange, bottom flange, eccentric leading screw, bracket of right angle type, top flange is fixed together by bolt with bottom flange, top Flange joint inner tube, bottom Flange joint outer tube, the horizontal part of bracket of right angle type is connected with flange in the bottom, and eccentric leading screw is through the vertical component effect of bracket of right angle type, pad and top Flange joint.
In such scheme, well type analog includes horizontal rail, vertical track, boom hoisting, inner and outer pipes fender bracket, castor; inner and outer pipes analog is arranged in inner and outer pipes fender bracket; the bottom of inner and outer pipes fender bracket is provided with castor; the upper end of vertical track is provided with boom hoisting; steel wire rope is connected between boom hoisting and inner and outer pipes fender bracket; horizontal rail and vertical track are with graduation mark; well type analog is used for the support to inner and outer pipes, slides and hoist, and also can determine the angle residing for inner and outer pipes analog according to the horizontal and vertical position residing for pipe.
Such scheme is provided with angulometer outside inner and outer pipes fender bracket, for measuring the angle of inclination of inner and outer pipes.
In such scheme, the rotary speed of electric rotating machine is that frequency conversion is adjustable, and the range of speeds is distributed in 60-300r/min, for simulating the common rotary speed of drill string of rotary drilling and combined drilling.
In such scheme, air accumulator connects air compressor, source of the gas during for simulating gas drilling or air-filling well-drilling.
The dimensional fits of such scheme middle external tube and inner tube uses well drilling rod sizing sequence.
The method have the advantages that
1, simulated condition of the present invention is many, measures parameter comprehensive.Different well type (straight well, directional well and horizontal well etc.) can be simulated, different drilling fluid types (gas, inflation, foam and liquid etc.), the situation of change of the annular hydraulics parameter (flow velocity, pressure and concentration of cuttings) in the case of different drilling fluid performance parameters (density, viscosity, shear force and ratio of dynamic shear force/yield value to plastic viscosity etc.) and different construction parameters (discharge capacity, pressure and cutting grain concentration).
2, the present invention is indoor simulation device, can the simulation many well type heterogeneous fluid real-time, visual cutting grain under different operating modes and the migration sedimentation situation of cutting bed, lay the foundation for on-the-spot drilling fluid performance parameters and construction parameter optimization design.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of well type analog in the present invention；
Fig. 3 is the front view of eccentric mechanism in the present invention；
Fig. 4 is the top view of eccentric mechanism in the present invention.
In figure: 1. inner tube；2. outer tube；3. eccentric mechanism；3-1. top flange；3-2. bottom flange；3-3. pad；3-4. bracket of right angle type；3-5. bolt；3-6. tuningout central hole；3-7. eccentric leading screw；4. electric rotating machine；5. landwaste propeller；6. air compressor；7. air accumulator；8. fluid reservoir；9. screw pump；10. the first pressure transducer；11. second pressure transducers；12. differential pressure pick-ups；13. gas flowmeters；14. fluid flowmeters；15. gas-liquid-solid three-phase effusion meters；16. data acquisition processing systems；17. Sedimentation tanks；18. first valves；19. second valves；20. the 3rd valves；21. the 4th valves；22. the 5th valves；23. horizontal rail；24. castors；25. inner and outer pipes fender brackets；26. steel wire ropes；27. boom hoistings；28. vertical tracks；29. system frame；30. angulometers.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings:
As shown in Figure 1, this heterogeneous annular space of many well type is taken bits analog and is included inner and outer pipes analog, eccentric mechanism 3, electric rotating machine 4, landwaste propeller 5, air accumulator 7, fluid reservoir 8, well type analog, data acquisition processing system 16, the bottom of inner and outer pipes analog connects landwaste propeller 5, can adjust and control different fltting speeds, control the landwaste quantity in shaft bottom；The top of inner and outer pipes analog arranges eccentric mechanism 3, and inner tube 1 connects electric rotating machine 4, and inner and outer pipes analog is arranged in well type analog；Air accumulator 7 is connected to, by pipeline, the header that inner tube 1 top is arranged, and this pipeline arranges gas flowmeter 13 and the first pressure transducer 10；Fluid reservoir 8 is connected to, by pipeline, the header that inner tube 1 top is arranged, and this pipeline arranges fluid flowmeter 14 and the second pressure transducer 11；Annular space between inner and outer pipe is provided with upper outlet pipe, and outlet connects gas-liquid-solid three-phase effusion meter 15；Described gas flowmeter 13, fluid flowmeter 14, gas-liquid-solid three-phase effusion meter the 15, first pressure transducer the 10, second pressure transducer 11 are all connected with data acquisition processing system 16.
Inner and outer pipes analog is constituted by arranging inner tube 1 in outer tube 2, inner tube 1 is hollow pipe, simulation drilling rod, outer tube 2 simulation wellbore hole, the dimensional fits of inner tube 1 and outer tube 2 uses the most frequently used well drilling rod sizing sequence, modal 215.9mm/127mm is selected to combine in the present embodiment, it is also possible to " 311.mm/168mm " combines.Motor rotarily drives inner tube 1 and rotates, and rotating speed can adjust, and present embodiment medium speed scope selects 60-300r/min, rotates the perturbation action to annular fluid for simulating drilling rod.
Air accumulator 7 connects air compressor 6, the air of air compressor 6 compression enters air accumulator 7, for providing the source of the gas needed for gas, inflation or foam drilling fluid, first pressure transducer 10 is for measuring the pressure of air accumulator 7, gas flowmeter 13 measures gas flow, connect the first valve 18 and the second valve 19 in the top and bottom of gas flowmeter 13 respectively, be used for controlling gas flow rate.Fluid reservoir 8 stores fluid, utilizes screw pump 9(or centrifugal pump) fluid in pumping fluid reservoir 8, mud pit when fluid reservoir 8 simulates drilling well or slurry tank, screw pump 9 pumping slurries is as circulatory mediator.Second pressure transducer 11 measures fluid conveying pressure, fluid flow measured by fluid flowmeter 14, connect the 3rd valve 20 in the top and bottom of fluid flowmeter 14 respectively and the 4th valve 21 controls flow rate of liquid, gas and liquid converge on the top connecting manifold pipe of inner tube 1, and bottom by the entrance of inner tube 1, the cutting grain advanced with landwaste propeller 5 mixes, cutting carring granule returns on the annular space of inner tube 1 and outer tube 2, flow out at top outlet, through the 5th valve 22, arrive gas-liquid-solid three-phase effusion meter 15, gas measured by gas-liquid-solid three-phase effusion meter 15, liquid and the distribution of cutting grain concentration, last heterogeneous fluid arrives Multistage settling pond 17, fluid after sedimentation flows to fluid reservoir 8 and reuses.
In conjunction with Fig. 3, shown in Fig. 4, eccentric mechanism 3 is by top flange 3-1, bottom flange 3-2, eccentric leading screw, bracket of right angle type 3-4 is constituted, top flange 3-1 is fixed together by bolt 3-5 with bottom flange 3-2, top flange 3-1 and bottom flange 3-2 all has tuningout central hole 3-6, by adjusting the preliminary eccentric adjustment in bolt 3-5 position in tuningout central hole 3-6, top flange 3-1 connects inner tube 1, bottom flange 3-2 connects outer tube 2, the horizontal part of bracket of right angle type 3-4 is connected with flange in the bottom 3-2, eccentric leading screw 3-7 is through the vertical component effect of bracket of right angle type 3-4, pad 3-3 is connected with top flange 3-1.Eccentric mechanism 3 is for adjusting the degree of eccentricity of inner tube 1, simulate different gaps and annular space form fluid flow and the impact of Cutting movement, eccentric process is as follows: turn on bolt 3-5, rotary offset heart leading screw 3-7, eccentric leading screw 3-7 answers back to pad 3-3 by bracket of right angle type 3-4, drives bottom flange 3-2 to move up with outer tube 2, and top flange 3-1 remains stationary as with inner tube 1, and then realize adjusting the degree of eccentricity of inner tube 1, it is achieved different gaps and the simulation of annular space form.
As shown in Figure 2, well type analog includes horizontal rail 23, vertical track 28, boom hoisting 27, inner and outer pipes fender bracket 25, castor 24, inner and outer pipes analog is arranged in inner and outer pipes fender bracket 25, the bottom of inner and outer pipes fender bracket 25 is provided with castor 24, the upper end of vertical track 28 is provided with boom hoisting 27, steel wire rope 26 is connected between boom hoisting 27 and inner and outer pipes fender bracket 25, horizontal rail 23 and vertical track 28 are I-steel, castor 24 rolls in horizontal rail 23 and vertical track 28, by boom hoisting 27 and steel wire rope 26, inner and outer pipes fender bracket 25 is lifted, inner and outer pipes fender bracket 25 is used for the protection to inner and outer pipes and support.Angulometer 30 is placed on inner and outer pipes fender bracket 25, and for measuring the angle of inclination of inner and outer pipes, when angle is 90 °, dummy level well, different angles, the directional well of the different hole angle of simulation, when angle is 0 °, simulation is vertical boreholes.System frame 29 provides base supports for equipment entirety.
Different valves and effective cooperation of equipment, it is possible to multiple drilling mode.Open air compressor 6, open the first valve 18 and the second valve 19, close the 3rd valve 20 and the 4th valve 21, gas drilling can be simulated；Open screw pump (centrifugal pump) 9, open the 3rd valve 20 and the 4th valve 21, close the first valve 18 and the second valve 19, fluid drilling well can be simulated；Open air compressor 6 and screw pump (centrifugal pump) 9, the first valve the 18, second valve the 19, the 3rd valve 20 and the 4th valve 21 simultaneously, adjust the aperture of each valve, it is possible to Simulated gas gas-liquid two-phase liquid；Coordinate well type analog systems again, it is possible to the annular space of the many well type multiphase flow such as directional well realizing straight well, horizontal well and various angle takes bits simulation.
Claims (6)
1. the heterogeneous annular space of well type more than a kind takes bits analog, it is characterized in that: this heterogeneous annular space of many well type is taken bits analog and included inner and outer pipes analog, eccentric mechanism (3), electric rotating machine (4), landwaste propeller (5), air accumulator (7), fluid reservoir (8), well type analog, data acquisition processing system (16), inner and outer pipes analog is constituted by arranging inner tube (1) in outer tube (2), the bottom of inner and outer pipes analog connects landwaste propeller (5), the top of inner and outer pipes analog arranges eccentric mechanism, inner tube (1) connects electric rotating machine (4), inner and outer pipes analog is arranged in well type analog；Air accumulator (7) is connected to, by pipeline, the header that inner tube (1) top is arranged, and this pipeline arranges gas flowmeter (13) and the first pressure transducer (10)；Fluid reservoir (8) is connected to, by pipeline, the header that inner tube (1) top is arranged, and this pipeline arranges fluid flowmeter (14) and the second pressure transducer (11)；Annular space between inner and outer pipe is provided with upper outlet pipe, and outlet connects gas-liquid-solid three-phase effusion meter (15)；Described gas flowmeter (13), fluid flowmeter (14), gas-liquid-solid three-phase effusion meter (15), the first pressure transducer (10), the second pressure transducer (11) are all connected with data acquisition processing system (16)；Eccentric mechanism is made up of top flange (3-1), bottom flange (3-2), eccentric leading screw (3-7), bracket of right angle type (3-4), top flange (3-1) is fixed together by bolt (3-5) with bottom flange (3-2), top flange (3-1) connects inner tube (1), bottom flange (3-2) connects outer tube (2), the horizontal part of bracket of right angle type (3-4) is connected with bottom flange (3-2), and eccentric leading screw (3-7) is connected through the vertical component effect of bracket of right angle type (3-4), pad (3-3) with top flange (3-1).
The heterogeneous annular space of many well type the most according to claim 1 takes bits analog, it is characterized in that: described well type analog includes horizontal rail (23), vertical track (28), boom hoisting (27), inner and outer pipes fender bracket (25), castor (24), inner and outer pipes analog is arranged in inner and outer pipes fender bracket (25), the bottom of inner and outer pipes fender bracket (25) is provided with castor (24), the upper end of vertical track (28) is provided with boom hoisting (27), steel wire rope (26) is connected between boom hoisting (27) and inner and outer pipes fender bracket (25), horizontal rail (23) and vertical track (28) are with graduation mark.
The heterogeneous annular space of many well type the most according to claim 2 takes bits analog, it is characterised in that: described inner and outer pipes fender bracket (25) is outside is provided with angulometer (30).
The heterogeneous annular space of many well type the most according to claim 3 takes bits analog, it is characterised in that: the rotary speed of described electric rotating machine (4) is that frequency conversion is adjustable, and the range of speeds is distributed in 60-300r/min.
The heterogeneous annular space of many well type the most according to claim 4 takes bits analog, it is characterised in that: described air accumulator (7) connects air compressor (6).
The heterogeneous annular space of many well type the most according to claim 5 takes bits analog, it is characterised in that: the dimensional fits of described outer tube (2) and inner tube (1) uses well drilling rod sizing sequence.
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| CN201610433601.0A CN105863611B (en) | 2016-06-18 | 2016-06-18 | A kind of more well type multiphase annular spaces take bits simulator |
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| CN201610433601.0A CN105863611B (en) | 2016-06-18 | 2016-06-18 | A kind of more well type multiphase annular spaces take bits simulator |
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| CN105863611B CN105863611B (en) | 2018-09-14 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106401580A (en) * | 2016-11-28 | 2017-02-15 | 中国石油大学(北京) | Multiphase flow experimental device for complex inner boundary multi-heat-source lifting shaft |
| CN108457642A (en) * | 2018-01-25 | 2018-08-28 | 中国石油大学(北京) | A kind of more gradient pressure test devices of pit shaft |
| CN108798647A (en) * | 2017-05-02 | 2018-11-13 | 中国石油化工股份有限公司 | A kind of multi-function hole top of oil well gas-liquid metering device |
| CN109339766A (en) * | 2018-12-12 | 2019-02-15 | 重庆科技学院 | Air-filling well-drilling dynamic circulation analog synthesis experimental system |
| CN110397433A (en) * | 2019-08-30 | 2019-11-01 | 中国石油集团川庆钻探工程有限公司 | A kind of cutting bed identifying system |
| CN110924928A (en) * | 2019-11-27 | 2020-03-27 | 长江大学 | Testing device and method for testing annular flow pressure drop of irregular borehole section |
| CN111122110A (en) * | 2018-11-01 | 2020-05-08 | 中国石油化工股份有限公司 | Angle-adjustable self-adaptive flow control water device two-phase flow testing method and system |
| CN112145170A (en) * | 2020-09-29 | 2020-12-29 | 中海石油(中国)有限公司 | Oil-gas well blowout experiment simulation device and operation method |
| CN113882826A (en) * | 2021-09-27 | 2022-01-04 | 河北华通线缆集团股份有限公司 | Concentric double-layer coiled tubing drilling sand pumping test system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106401580A (en) * | 2016-11-28 | 2017-02-15 | 中国石油大学(北京) | Multiphase flow experimental device for complex inner boundary multi-heat-source lifting shaft |
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| CN108457642A (en) * | 2018-01-25 | 2018-08-28 | 中国石油大学(北京) | A kind of more gradient pressure test devices of pit shaft |
| CN111122110B (en) * | 2018-11-01 | 2022-05-03 | 中国石油化工股份有限公司 | Angle-adjustable self-adaptive flow control water device two-phase flow testing method and system |
| CN111122110A (en) * | 2018-11-01 | 2020-05-08 | 中国石油化工股份有限公司 | Angle-adjustable self-adaptive flow control water device two-phase flow testing method and system |
| CN109339766A (en) * | 2018-12-12 | 2019-02-15 | 重庆科技学院 | Air-filling well-drilling dynamic circulation analog synthesis experimental system |
| CN110397433A (en) * | 2019-08-30 | 2019-11-01 | 中国石油集团川庆钻探工程有限公司 | A kind of cutting bed identifying system |
| CN110924928A (en) * | 2019-11-27 | 2020-03-27 | 长江大学 | Testing device and method for testing annular flow pressure drop of irregular borehole section |
| CN110924928B (en) * | 2019-11-27 | 2022-12-09 | 长江大学 | Test device and method for testing annular flow pressure drop of irregular well bore section |
| CN112145170A (en) * | 2020-09-29 | 2020-12-29 | 中海石油(中国)有限公司 | Oil-gas well blowout experiment simulation device and operation method |
| CN112145170B (en) * | 2020-09-29 | 2023-08-15 | 中海石油(中国)有限公司 | Oil-gas well blowout experiment simulation device and operation method |
| CN113882826A (en) * | 2021-09-27 | 2022-01-04 | 河北华通线缆集团股份有限公司 | Concentric double-layer coiled tubing drilling sand pumping test system and method |
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