CN201391312Y - Drill string and drilling fluid coupling dynamical behavior research testing table - Google Patents
Drill string and drilling fluid coupling dynamical behavior research testing table Download PDFInfo
- Publication number
- CN201391312Y CN201391312Y CN200920148228U CN200920148228U CN201391312Y CN 201391312 Y CN201391312 Y CN 201391312Y CN 200920148228 U CN200920148228 U CN 200920148228U CN 200920148228 U CN200920148228 U CN 200920148228U CN 201391312 Y CN201391312 Y CN 201391312Y
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- roofbolt
- drill string
- drilling fluid
- core barrel
- belt pulley
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Abstract
The utility model discloses a drill string and drilling fluid coupling dynamical behavior research testing table. The testing table comprises a hanging system, a rotating system, a mast system, a circulation system and a bottom hole simulation system. The testing table has simple and ingenious structure, can carry out the solid and fluid coupling dynamical behavior research, can carry out the experiment research of motion characteristics under the conditions of different axial forces, different rotating speeds and different circulation fluids, and provides a reliable experiment device for further knowing and analyzing the practical motion state and influence factors of the down-hole rotating mast.
Description
Technical field:
The utility model relates to a kind of drill string and drilling fluid Coupled Dynamics behavioral study testing counter.
Background technology:
In decades, manyly be engaged in that straight well is anti-tiltedly, the Chinese and overseas scholars of hole trajectory control and research drill string mechanics is based on different goals in research and research method, propose there are different motion states such as " rotation ", " revolution synchronously ", " existing rotation also has revolution ", " backward rotation " in drill string in well hypothesis, and proposed many arguments that engineering practice had directive significance; In drillng operation, often run into the oscillation phenomenon of drill string simultaneously, situations such as the lithology hardness of drilling strata are complicated more, and the vibration problem of drill string also is difficult to solve more.For the drill string experimental rig, people's design-builds such as the Guan Zhichuan of University of Petroleum straight well bottom drill string experimental rig.This experimental rig fails to introduce fluid, only can simulate fluid free drill string dynamic behavior.
The utility model content:
In order to overcome the deficiency in the background technology, the utility model provides a kind of drill string and drilling fluid Coupled Dynamics behavioral study testing counter.This test platform structure is simply ingenious, can carry out the dynamic behavior research of solid, the solid coupling of stream, also can carry out the experimental study of motion feature under different axial forces, different rotating speeds, the different circulation of fluid condition, for further the actual motion state and the influence factor thereof of understanding and analysis down-hole rotation roofbolt provide reliable experimental rig.
The technical scheme of employing of the present utility model is: this drill string and drilling fluid Coupled Dynamics behavioral study testing counter are made up of suspension, rotary system, roofbolt system, the circulating system and shaft bottom simulation system.
Described suspension comprises hollow suspension body, the suspension body upper end is connected with upper press cover by screw, core barrel is arranged in the suspension body, v-ring and single direction thrust ball bearing are installed between suspension body and the core barrel successively, nut has been threaded on the core barrel of single direction thrust ball bearing below, the suspension body bottom is fixed with nut, and suspension body top is connected with drop handle.
Described rotary system comprises spline housing and big belt pulley, spline housing is connected with core barrel, the spline housing outer wall is connected with big belt pulley by bolt, big belt pulley bottom outer wall is equipped with bearing, bearing support, supporting plate and locking nut, big belt pulley is connected with small belt pulley by V belt, and small belt pulley is by motor-driven.
Described roofbolt system comprises core barrel, and the core barrel lower end is connected with interior roofbolt by adjusting joint, and interior roofbolt has outer tube outward, and interior roofbolt bottom is connected with tail pipe, and is porose on the tail pipe wall.
The described circulating system comprises water outlet pipeline and back with water inlet line, the water outlet pipeline communicates by ring cavity between joint and interior roofbolt and the outer tube, the end of water outlet pipeline places in the water tank, and one of back with water inlet line places in the water tank, and its other end is communicated with core barrel by the suspension body internal channel by short circuit.
Described shaft bottom simulation system comprises underframe, and vibrator is installed on the underframe, is connected with pressure sensor on the vibrator, and pressure sensor is connected with the tail pipe of roofbolt system by single direction thrust ball bearing A and bearing support A.
The utlity model has following beneficial effect: this is novel through transforming with perfect, be divided into 5 big systems: suspension, rotary system, roofbolt system, the circulating system, shaft bottom simulation system are formed, the actions such as put-on and delegated, rotation and circulation of drilling fluid of roofbolt can be realized, the axial force, flow rate of fluid in lateral displacement, impact contact force and the shaft bottom of 4 test points etc. can be tested.Under the duty, tubing string rotation in rotary system drives, vibrator carries out axial vibration, and circulation of drilling fluid flows through the water supply connector of water tank, suspension, interior tubing string, shaft bottom, the annular space of inner and outer pipes intercolumniation, water tank.Before the test, adjust simulation the pressure of the drill by the put-on and delegated of suspension, promptly interior roofbolt acts on the axial force of pressure sensor; Under the duty, rotary system drives the spline housing rotation by belt pulley, and then tubing string rotation in driving, and the big I of rotating speed is regulated by frequency converter; Vibrator carries out axial vibration, and pressure sensor can be measured the size of exciting; The simulation circulation of drilling fluid flows through the water supply connector of water tank, suspension, interior tubing string, tail pipe, the annular space of inner and outer pipes intercolumniation, water tank, and discharge capacity can be controlled by the frequency of Frequency Converter Control self priming pump motor, 2 kinds of modes of valve of adjusting water return pipeline.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
1-drop handle among the figure, 2-screw, 3-upper press cover, 4-suspension body, the 5-nut, 6-spline housing, 7-bolt, 8-big belt pulley, the 9-supporting plate, 10-locking nut, 11-core barrel, 12-water outlet pipeline, the 13-tail pipe, 14-discharging valve, 15-single direction thrust ball bearing A, 16-bearing support A, the 17-pressure sensor, 18-vibrator, roofbolt in the 19-underframe, 20-, the 21-back with water inlet line, the 22-outer tube, the 23-joint, 24-adjusts joint, the 25-bearing support, 26-bearing, 27-flowmeter, 28-pressure meter, the 29-nut, 30-two-port valve, 31-water pump, 32-single direction thrust ball bearing, 33-V shape sealing ring, 34-water tank, 35-short circuit, 36-motor, the 37-V belt, 38-small belt pulley, 39-fixation clamp.
The specific embodiment:
Below the utility model is described in further detail: this drill string and drilling fluid Coupled Dynamics behavioral study testing counter is characterized in that: be made up of suspension, rotary system, roofbolt system, the circulating system and shaft bottom simulation system.
Described suspension comprises hollow suspension body 4, suspension body 4 upper ends are connected with upper press cover 3 by screw 2, core barrel 11 is arranged in the suspension body 4, v-ring 33 and single direction thrust ball bearing 32 are installed between suspension body 4 and the core barrel 11 successively, nut 29 has been threaded on the core barrel 11 of single direction thrust ball bearing 32 belows, suspension body 4 bottoms are fixed with nut 5, and suspension body 4 tops are connected with drop handle 1.Roofbolt 20 in suspension hangs by core barrel 11 has single direction thrust ball bearing 32 under the shoulder of core barrel 11, its effect is that suspension is rotation thereupon not when roofbolt 20 rotated in rotary system reaches by spline housing 6 driving core barrels 11.The drop handle 1 of suspension connects wire rope, and suspension is by tubing string in the core barrel second line of a couplet, but suspension both in the put-on and delegated roofbolt regulate the size of initial axial force, thereby change the size that acts on the pressure on the vibrator.Water, wet goods simulation drilling fluid also can enter tubing string through suspension and circulate.
Described rotary system comprises spline housing 6 and big belt pulley 8, spline housing 6 is connected with core barrel 11, spline housing 6 outer walls are connected with big belt pulley 8 by bolt 7, big belt pulley 8 bottom outer walls are equipped with bearing 26, bearing support 25 and locking nut 10, rotary system is sat and is put on the supporting plate 9, and is fixing by locking nut 10.Big belt pulley 8 is connected with small belt pulley 38 by V belt 37, and small belt pulley 38 is driven by motor 36.Under the duty, tubing string rotation in motor 36 drives by small belt pulley 38, big belt pulley 8 drives spline housing 6 in rotary course, thereby roofbolt 20 rotations in driving, like this when interior roofbolt 20 rotates, axial displacement in spline housing 6 and the spline between the roofbolt 20 is not interfered, roofbolt 20 moments of torsion in promptly 8 of big belt pulleys pass to, and the axial displacement of roofbolt 20 in not influencing.
Described roofbolt system comprises core barrel 11, core barrel 11 lower ends by adjust joint 24 be connected with in roofbolt 20, interior roofbolt 20 is outer outer tube 22, interior roofbolt 20 bottoms are connected with tail pipe 13, and are porose on tail pipe 13 walls.Outer tube 22 is fixed by a plurality of fixation clamps 39, by adjusting the borehole track that outer tube 22 fixation clamps 39 can be simulated 2 ° of hole deviations.Interior roofbolt 20 is communicated with outer tube 22 by the hole on the tail pipe 13, and circulating fluid to the shaft bottom, is passed to the annular space of interior roofbolt 20 and outer tube 22 by interior roofbolt 20, tail pipe 13 again by tail pipe 13 orifice flows, returns the delivery port to well head on then.When stopping to test, can by be connected discharging valve 14 on the tail pipe 13 discharge in circulating fluid in the roofbolt 20.Vibrator 18 provides axial vibration to come simulation well subdrilling well state, and its vibration force size is measured by pressure sensor 17.The vibrator 18 of shaft bottom system carries out axial vibration, and tail pipe 13 is rotated motion, is connected by bearing A15 and bearing support A16 between tail pipe 13 and pressure sensor 17, the vibrator 18, solves the interference of 2 kinds of motion modes.
The described circulating system comprises water outlet pipeline 12 and back with water inlet line 21, water outlet pipeline 12 communicates by ring cavity between joint 23 and interior roofbolt 20 and the outer tube 22, the end of water outlet pipeline 12 places in the water tank 34, one end of back with water inlet line 21 places in the water tank 34, its other end is communicated with core barrel 11 by suspension body 4 internal channels by short circuit 35, and water pump 31, two-port valve 30, pressure meter 28 and flowmeter 27 are installed on the back with water inlet line 21.Roofbolt 20 in circulating fluid enters into via back with water inlet line 21 and short circuit 35 by water pump 31 in water tank 34, cinclides by tail pipe 13 flows to ring cavity between interior roofbolt 20 and the outer tube 22, enter into water outlet pipeline 12 by the ring cavity between interior roofbolt 20 and the outer tube 22, flow back into water tank 36 and finish circulation.
Described shaft bottom simulation system comprises underframe 19, and vibrator 18 is installed on the underframe 19, is connected with pressure sensor 17 on the vibrator 18, and pressure sensor 17 is connected with the tail pipe 13 of roofbolt system by single direction thrust ball bearing A15 and bearing support A16.Interior roofbolt 20 when rotated, the exciting force waveform of vibrator 18 response signal generators, the applying of the pressure of the drill in the simulation drilling process monitored the size of axial force by pressure sensor 17.
Claims (6)
1, a kind of drill string and drilling fluid Coupled Dynamics behavioral study testing counter is characterized in that: be made up of suspension, rotary system, roofbolt system, the circulating system and shaft bottom simulation system.
2, drill string according to claim 1 and drilling fluid Coupled Dynamics behavioral study testing counter, it is characterized in that: described suspension comprises hollow suspension body (4), suspension body (4) upper end is connected with upper press cover (3) by screw (2), core barrel (11) is arranged in the suspension body (4), v-ring (33) and single direction thrust ball bearing (32) are installed between suspension body (4) and the core barrel (11) successively, nut (29) has been threaded on the core barrel (11) of single direction thrust ball bearing (32) below, suspension body (4) bottom is fixed with nut (5), and suspension body (4) top is connected with drop handle (1).
3, drill string according to claim 1 and drilling fluid Coupled Dynamics behavioral study testing counter, it is characterized in that: described rotary system comprises spline housing (6) and big belt pulley (8), (3), spline housing (6) is connected with core barrel (11), spline housing (6) outer wall is connected with big belt pulley (8) by bolt (7), big belt pulley (8) bottom outer wall is equipped with bearing (26), bearing support (25), supporting plate (9) and locking nut (10), big belt pulley (8) is connected with small belt pulley (38) by V belt (37), and small belt pulley (38) is driven by motor (36).
4, drill string according to claim 1 and drilling fluid Coupled Dynamics behavioral study testing counter, it is characterized in that: described roofbolt system comprises core barrel (11), core barrel (11) lower end is connected with interior roofbolt (20) by adjusting joint (24), outer tube (22) is arranged outside the interior roofbolt (20), interior roofbolt (20) bottom is connected with tail pipe (13), and is porose on tail pipe (13) wall.
5, drill string according to claim 1 and drilling fluid Coupled Dynamics behavioral study testing counter, it is characterized in that: the described circulating system comprises water outlet pipeline (12) and back with water inlet line (21), water outlet pipeline (12) communicates by ring cavity between joint (23) and interior roofbolt (20) and the outer tube (22), the end of water outlet pipeline (12) places in the water tank (34), one end of back with water inlet line (21) places in the water tank (34), and its other end is communicated with core barrel (11) by suspension body (4) internal channel by short circuit (35).
6, drill string according to claim 1 and drilling fluid Coupled Dynamics behavioral study testing counter, it is characterized in that: described shaft bottom simulation system comprises underframe (19), vibrator (18) is installed on the underframe (19), be connected with pressure sensor (17) on the vibrator (18), pressure sensor (17) contacts with the tail pipe (13) of roofbolt system by single direction thrust ball bearing A (15) and bearing support A (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920148228U CN201391312Y (en) | 2009-03-30 | 2009-03-30 | Drill string and drilling fluid coupling dynamical behavior research testing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920148228U CN201391312Y (en) | 2009-03-30 | 2009-03-30 | Drill string and drilling fluid coupling dynamical behavior research testing table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391312Y true CN201391312Y (en) | 2010-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920148228U Expired - Fee Related CN201391312Y (en) | 2009-03-30 | 2009-03-30 | Drill string and drilling fluid coupling dynamical behavior research testing table |
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| Country | Link |
|---|---|
| CN (1) | CN201391312Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454055A (en) * | 2013-09-16 | 2013-12-18 | 中国地质大学（北京） | Hole bottom vibration simulation test bed |
| CN103975121A (en) * | 2011-11-30 | 2014-08-06 | 阿克海底公司 | Tubing hanger with coupling assembly |
| CN108799464A (en) * | 2017-05-04 | 2018-11-13 | 常州格力博有限公司 | Ice auger |
| CN113405770A (en) * | 2021-06-24 | 2021-09-17 | 中国石油大学(华东) | Drilling fluid circulation coupled composite material drill string vibration test device without marine riser |
| CN114001952A (en) * | 2021-10-27 | 2022-02-01 | 瑞安市悦华汽车单向器有限公司 | Unidirectional coupling belt pulley test tool and use method thereof |
| CN114001952B (en) * | 2021-10-27 | 2024-05-03 | 瑞安市悦华汽车单向器有限公司 | Unidirectional coupling belt pulley testing tool and application method thereof |
-
2009
- 2009-03-30 CN CN200920148228U patent/CN201391312Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103975121A (en) * | 2011-11-30 | 2014-08-06 | 阿克海底公司 | Tubing hanger with coupling assembly |
| CN103975121B (en) * | 2011-11-30 | 2016-09-28 | 阿克海底公司 | There is the tubing hanger of coupling assembly |
| CN103454055A (en) * | 2013-09-16 | 2013-12-18 | 中国地质大学（北京） | Hole bottom vibration simulation test bed |
| CN103454055B (en) * | 2013-09-16 | 2015-11-04 | 中国地质大学（北京） | Vibration test platform at the bottom of drilling tool hole |
| CN108799464A (en) * | 2017-05-04 | 2018-11-13 | 常州格力博有限公司 | Ice auger |
| CN113405770A (en) * | 2021-06-24 | 2021-09-17 | 中国石油大学(华东) | Drilling fluid circulation coupled composite material drill string vibration test device without marine riser |
| CN114001952A (en) * | 2021-10-27 | 2022-02-01 | 瑞安市悦华汽车单向器有限公司 | Unidirectional coupling belt pulley test tool and use method thereof |
| CN114001952B (en) * | 2021-10-27 | 2024-05-03 | 瑞安市悦华汽车单向器有限公司 | Unidirectional coupling belt pulley testing tool and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20110330 |