CN104197996B - A kind of tandem double pressure drilling fluid density and mass flow detecting system - Google Patents
A kind of tandem double pressure drilling fluid density and mass flow detecting system Download PDFInfo
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- CN104197996B CN104197996B CN201410509184.4A CN201410509184A CN104197996B CN 104197996 B CN104197996 B CN 104197996B CN 201410509184 A CN201410509184 A CN 201410509184A CN 104197996 B CN104197996 B CN 104197996B
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Abstract
A kind of tandem double pressure drilling fluid density and mass flow detecting system, it includes liquid reserve tank, screw pump and the two-way drilling fluid signal piping being arranged in series, the drilling fluid of described two-way drilling fluid signal piping is flowed into end and is connected with drilling fluid conveying route by screw pump, and drilling fluid outflow end is connected with liquid reserve tank；Described two-way drilling fluid signal piping is disposed with overflow valve, pressure-reducing valve, Pressure gauge and coriolis mass flowmeters respectively, one ball valve is set between overflow valve and pressure-reducing valve, described Pressure gauge is arranged on the porch of coriolis mass flowmeters, and the exit of described coriolis mass flowmeters is provided with a ball valve；Described overflow valve is connected with liquid reserve tank by overflow passage, and described screw pump is connected with drilling fluid conveying route by a ball valve.The present invention has detection drilling fluid pressure and its density and the advantage of mass flow relation in real time, improves the detection accuracy to drilling fluid density and mass flow.
Description
Technical field
The invention belongs to drilling fluid detection technique field, be specifically related to a kind of tandem double pressure drilling fluid density
With mass flow detecting system.
Background technology
During oil exploitation, drilling fluid is a kind of indispensable material, important role: 1, clear
Clean shaft bottom, cutting carring, it is to avoid drill bit Repeated Cutting, reduces the abrasion of drill bit；2, balance rock of borehole
Lateral pressure, prevents cave-in；3, equilibrium strata pressure, prevents blowout, leakage；4, cool down and moisten
Sliding drill bit, reduces drill tool wear, improves the service life etc. of drilling tool.The density of on-line checking drilling fluid and
Mass flow accurately controls to be to ensure that drilling fluid is sent out with the material ratio realizing constituent each to drilling fluid
Wave the necessary condition of above-mentioned important function, affect drilling fluid density and factor master that mass flow accurately detects
The pressure change of drilling fluid to be had and extraneous vibration etc..
The equipment of on-line checking drilling fluid density and mass flow of being presently used for mainly have isotope gauge and
Coriolis mass flowmeters, isotope gauge has radioactive substance, and long-time use can affect people
Health, additionally, isotope gauge is expensive, a large amount of employings can cause production cost too high.
For coriolis mass flowmeters, although there is not the deficiency that radioactive substance is detrimental to health,
But use single when using density and the mass flow of coriolis mass flowmeters detection drilling fluid
Pressure, i.e. detects density and the mass flow of drilling fluid, it is difficult to real-time judge under a fixing pressure
The change of the pressure of drilling fluid, on the drilling fluid density of detection and the impact of mass flow, therefore, uses single
The density of one pressure and mass flow detecting system are unfavorable for the accurate inspection of drilling fluid density and mass flow
Survey.
Summary of the invention
In order to overcome the deficiency of above technology, the technical problem to be solved there are provided one
Tandem double pressure drilling fluid density and mass flow detecting system, it is the most safe efficient, and can
Improve the detection accuracy to drilling fluid density and mass flow.
The present invention solves its technical problem and is adopted the technical scheme that: the double pressure drilling well of a kind of tandem is liquid-tight
Degree and mass flow detecting system, is characterized in that, including liquid reserve tank, screw pump and drilling fluid signal piping,
Described drilling fluid signal piping includes first via drilling fluid signal piping and the second road drilling fluid being arranged in series
Signal piping, the drilling fluid of described first via drilling fluid signal piping flows into end by screw pump and drilling fluid
Conveying route is connected, and the drilling fluid outflow end of the second road drilling fluid signal piping is connected with liquid reserve tank；
Described first via drilling fluid signal piping and the second road drilling fluid signal piping are disposed with excessive respectively
Stream valve, pressure-reducing valve, Pressure gauge and coriolis mass flowmeters, arranged between overflow valve and pressure-reducing valve
One ball valve, described Pressure gauge is arranged on the porch of coriolis mass flowmeters, described Coriolis matter
The exit of amount flowmeter is provided with a ball valve；Described overflow valve is connected with liquid reserve tank by overflow passage,
Described screw pump is connected with drilling fluid conveying route by a ball valve.
Further, this detecting system also includes supporting platform, described first via drilling fluid signal piping and the
Screw pump in two road drilling fluid signal pipings is fixed on support platform by support respectively, the described first via
Coriolis mass flowmeters in drilling fluid signal piping and the second road drilling fluid signal piping passes through respectively
Shake table is fixed on support platform.
Preferably, described support is fixed by bolt be connected with screw pump and support platform respectively.
Preferably, described shake table includes vibration table, vibration rack and two vibrating motors, described in shake
Dynamic support is arranged on support platform by bolt, and described vibration table is arranged on vibration by supporting spring
On frame, described coriolis mass flowmeters is arranged on the centre position of vibration table by bolt, described
Two vibrating motors are symmetrically arranged on the vibration table of coriolis mass flowmeters both sides, described
The rotating shaft of vibrating motor is parallel and vibrating motor with drilling fluid flow direction in coriolis mass flowmeters
Eccentric block is installed in rotating shaft.
Preferably, pressure-reducing valve in described first via drilling fluid signal piping and the second road drilling fluid signal piping
The pressure set differs.
Preferably, in described first via drilling fluid signal piping, the pressure of pressure-reducing valve is set to 1～30Mpa,
In described second road drilling fluid signal piping, the pressure of pressure-reducing valve is set to 0.101～4MPa.
The invention has the beneficial effects as follows: the invention provides a kind of tandem double pressure drilling fluid density and quality
Flow quantity detecting system, it is to avoid the use of radioactive element, it is ensured that reduce production cost while An Quan,
Using double pressure detection method, i.e. under conditions of same drilling fluid is applied two kinds of different pressure, detection is bored
The density of well liquid and mass flow, improve the detection accuracy to drilling fluid density and mass flow.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the left view (amplifying 1 times) of Fig. 1；
Fig. 3 is the enlarged drawing (amplifying 3 times) of the present invention one shake table；
Fig. 4 is the top view (amplifying 3 times) of Fig. 3；
Fig. 5 is the enlarged drawing (amplifying 3 times) of another shake table of the present invention；
Fig. 6 is the top view (amplifying 3 times) of Fig. 5.
In figure: 1 liquid reserve tank, 2 intake lines, 3 pressure-reducing valve first, 4 coriolis mass flowmeters first, 5
Shake table first, 6 pressure-reducing valve second, 7 coriolis mass flowmeters second, 8 output pipes, 9 overflow passages,
10 ball valves third, 11 ball valve second, 12 ball valve first, 13 screw pumps, 14 Pressure gauge first, 15 Pressure gauge second,
16 overflow valve first, 17 overflow valve second, 18 shake table second, 19 ball valve fourths, 20 support first, 22 support platform,
23 ball valves penta, 24 support second.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention, and
In conjunction with its accompanying drawing, the present invention will be described in detail.Following disclosure provides many different
Embodiment or example be used for realizing the different structure of the present invention.In order to simplify the public affairs of the present invention
Opening, hereinafter parts and setting to specific examples are described.Additionally, the present invention is permissible
Repeat reference numerals and/or letter in different examples.This repetition is to simplify and clear
Purpose, itself do not indicate discussed various embodiment and/or arrange between relation.Should
Working as attention, parts illustrated in the accompanying drawings are not drawn necessarily to scale.Present invention omits
To the description of known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
As depicted in figs. 1 and 2, a kind of tandem of the present invention is double presses drilling fluid density and matter
Amount flow quantity detecting system, is characterized in that, examines including liquid reserve tank 1, screw pump 13 and drilling fluid
Test tube road, described drilling fluid signal piping includes the first via drilling fluid detection pipe being arranged in series
Road and the second road drilling fluid signal piping, the drilling fluid of described first via drilling fluid signal piping
Flow into end to be connected with drilling fluid conveying route by screw pump 13, the second road drilling fluid detection
The drilling fluid outflow end of pipeline is connected with liquid reserve tank 1.Described first via drilling fluid detection pipe
Route overflow valve first 16, ball valve first 12, pressure-reducing valve first 3, Pressure gauge first 14, Coriolis
Mass flowmenter first 4 and ball valve penta 23 is constituted, and described second road drilling fluid signal piping is by overflowing
Stream valve second 17, ball valve second 11, pressure-reducing valve second 6, Pressure gauge second 15, Coriolis mass flow
Gauge second 7 and ball valve the third 10 is constituted.Drilling fluid is inputted by intake line 2；Described ball
Valve fourth 19 is arranged on before described screw pump 13；Along drilling fluid conveying direction, described is defeated
Enter to be sequentially installed with on pipeline 2 screw pump 13, overflow valve first 16, ball valve first 12, decompression
Valve first 3, Pressure gauge first 14, coriolis mass flowmeters first 4, ball valve penta 23, overflow
Valve second 17, ball valve second 11, pressure-reducing valve second 6, Pressure gauge second 15, Coriolis mass and flow
Meter second 7 and ball valve the third 10；One end of described overflow passage 9 and the entrance A of liquid reserve tank 1
Being threaded connection, the other end of overflow passage 9 is connected with described overflow valve first 16；Institute
The entrance B of one end and liquid reserve tank 1 of stating output pipe 8 is threaded connection, output pipe
The other end of 8 and ball valve the third 10 is connected；The two ends of described ball valve fourth 19 are fixed on support
In second 24.Described screw pump 13 is arranged in described support first 20 by bolt, institute
The support first 20 stated is bolted on described support platform 22.
As shown in Figures 3 to 6, described coriolis mass flowmeters first 4 passes through bolt
It is fixed on the middle position of the vibration table surface of described shake table first 5, described vibration
The shake table support of platform first 5 is bolted on described support platform 22；Described section
Li Aoli mass flowmenter second 7 is bolted on the shake table of described shake table second 18
The middle position of table top, the shake table support of described shake table second 18 is bolted
On described support platform 22；Described coriolis mass flowmeters first 4 and Coriolis
The performance indications of mass flowmenter second 7 are identical.Described shake table first 5 include vibration table,
Vibration rack, vibrating motor A and vibrating motor B, described shake table second 18 includes shake table
Face, vibration rack, vibrating motor C and vibrating motor D.Described vibrating motor A and shaking
It is mounted on eccentric block, vibrating motor A and the main shaft of vibrating motor B and brill on dynamic motor B
Well liquid flow direction is parallel, and vibrating motor A and vibrating motor B is arranged on vibration by bolt
The middle position at the edge of the vibration table surface of platform first 5, vibrating motor A and vibrating motor
B is symmetrical about coriolis mass flowmeters first 4；Described vibrating motor C and vibration electricity
Eccentric block, vibrating motor C and the main shaft of vibrating motor D and drilling fluid it is mounted on machine D
Flow direction is parallel, and vibrating motor C and vibrating motor D is arranged on shake table second by bolt
The middle position at the edge of the vibration table surface of 18, vibrating motor C and vibrating motor D close
Symmetrical in coriolis mass flowmeters second 7；Shaking of described shake table first, shake table second
Move and supporting spring is installed between platform table top and shake table support.
In described coriolis mass flowmeters first 4, the pressure range of drilling fluid is
1～30MPa, in described coriolis mass flowmeters second 7, the pressure range of drilling fluid is
0.101 (1 standard atmospheric pressure)～4MPa.
Introduce the course of work of embodiment below in conjunction with the accompanying drawings:
During work, open ball valve first 12, ball valve second 11, ball valve the third 10, ball valve fourth 19 and
Ball valve penta 23, drilling fluid is flowed into described detecting system by intake line 2, the drilling well of inflow
Liquid flows through screw pump 13, overflow valve first 16, ball valve first 12 successively along intake line 2, subtracts
Pressure valve first 3, Pressure gauge first 14, coriolis mass flowmeters first 4, ball valve penta 23, overflow
Stream valve second 17, ball valve second 11, pressure-reducing valve second 6, Pressure gauge second 15, Coriolis mass flow
Gauge second 7 and ball valve the third 10；By screw pump 13, drilling fluid is pressurizeed, by pressure-reducing valve first 3
The pressure of regulation drilling fluid, is detected pressure values P of cleaner for high-pressure drilling fluid by Pressure gauge first 141,
P is detected by coriolis mass flowmeters first 41The density of the drilling fluid under pressure and quality
Flow；The drilling fluid of outflow coriolis mass flowmeters first 4 is regulated by pressure-reducing valve second 6
Pressure, is detected the pressure P of drilling fluid after pressure regulation by Pressure gauge second 152, by Coriolis mass
Flowmeter second 7 detects P2Under pressure, the density of drilling fluid and mass flow, then, pass through
Pressure-reducing valve first 3 regulation flows through the pressure of the drilling fluid of coriolis mass flowmeters first 4, logical
Cross the pressure that pressure-reducing valve second 6 regulation flows through the drilling fluid of coriolis mass flowmeters second 7,
The pressure of the drilling fluid flowing through coriolis mass flowmeters first 4 described in holding is more than flowing through
The pressure of the drilling fluid of coriolis mass flowmeters second 7, detects and analyzes Coriolis matter
Drilling fluid after the pressure regulation of amount flowmeter first 4 and coriolis mass flowmeters second 7 detection
Density and mass flow, can draw what drilling fluid density and mass flow were affected by pressure factor
Rule.
The given pressure of two parts drilling fluid, temperature and flow velocity, regulate shake table first 5 He
The vibration parameters of shake table second 18, the vibration frequency of regulation shake table first 5 and shake table second 18
Rate and the parameter such as amplitude, coriolis mass flowmeters first 4 detect by pressure-reducing valve first
The density of the drilling fluid after 3 pressure regulation and mass flow；By coriolis mass flowmeters second 7
The density of the drilling fluid after detecting by pressure-reducing valve second 6 pressure regulation and mass flow, can go out
Boundary's vibration impact on coriolis mass flowmeters accuracy of detection.
The invention provides a kind of tandem double pressure drilling fluid density and mass flow detection is
System, detects the close of drilling fluid under conditions of same drilling fluid is applied two kinds of different pressure
Degree and mass flow, can not only detect the pressure change of drilling fluid in real time to drilling fluid density
With the impact of mass flow detected value, but also extraneous vibration can be detected to Coriolis matter
The impact of amount flowmeter accuracy of detection.
Additionally, the range of application of the present invention is not limited to the specific embodiment described in specification
Technique, mechanism, manufacture, material composition, means, method and step.From the present invention's
Disclosure, will readily appreciate that as those of ordinary skill in the art, for the most
Exist or will develop later technique, mechanism, manufacture, material composition, means,
Method or step, the corresponding embodiment that wherein they perform to describe with the present invention is substantially the same
They can be applied by the result that function or acquisition are substantially the same according to the present invention.
Therefore, claims of the present invention are intended to these technique, mechanism, manufacture, material group
One-tenth, means, method or step are included in its protection domain.
Claims (6)
1. tandem double pressure drilling fluid density and mass flow detecting system, it is characterized in that, including liquid reserve tank, screw pump and drilling fluid signal piping, described drilling fluid signal piping includes first via drilling fluid signal piping and the second road drilling fluid signal piping being arranged in series, the drilling fluid of described first via drilling fluid signal piping is flowed into end and is connected with drilling fluid conveying route by screw pump, and the drilling fluid outflow end of the second road drilling fluid signal piping is connected with liquid reserve tank；Described first via drilling fluid signal piping and the second road drilling fluid signal piping are disposed with overflow valve, pressure-reducing valve, Pressure gauge and coriolis mass flowmeters respectively, one ball valve is set between overflow valve and pressure-reducing valve, described Pressure gauge is arranged on the porch of coriolis mass flowmeters, and the exit of described coriolis mass flowmeters is provided with a ball valve；Described overflow valve is connected with liquid reserve tank by overflow passage, and described screw pump is connected with drilling fluid conveying route by a ball valve.
A kind of tandem double pressure drilling fluid density the most according to claim 1 and mass flow detecting system, it is characterized in that, also include supporting platform, described screw pump is fixed on support platform by support, and the coriolis mass flowmeters in described first via drilling fluid signal piping and the second road drilling fluid signal piping is fixed on support platform by shake table respectively.
One tandem double pressure drilling fluid density the most according to claim 2 and mass flow detecting system, is characterized in that, described support is fixed by bolt be connected with screw pump and support platform respectively.
A kind of tandem double pressure drilling fluid density the most according to claim 2 and mass flow detecting system, it is characterized in that, described shake table includes vibration table, vibration rack and two vibrating motors, described vibration rack is arranged on support platform by bolt, described vibration table is arranged on vibration rack by supporting spring, described coriolis mass flowmeters is arranged on the centre position of vibration table by bolt, said two vibrating motor is symmetrically arranged on the vibration table of coriolis mass flowmeters both sides, the rotating shaft of described vibrating motor is parallel with drilling fluid flow direction in coriolis mass flowmeters and is provided with eccentric block in the rotating shaft of vibrating motor.
5. according to the double pressure drilling fluid density of a kind of tandem described in any one of Claims 1-4 and mass flow detecting system, it is characterized in that, the pressure that in described first via drilling fluid signal piping and the second road drilling fluid signal piping, pressure-reducing valve sets differs.
A kind of tandem double pressure drilling fluid density the most according to claim 5 and mass flow detecting system, it is characterized in that, in described first via drilling fluid signal piping, the pressure of pressure-reducing valve is set to 1～30Mpa, and in described second road drilling fluid signal piping, the pressure of pressure-reducing valve is set to 0.101～4MPa.
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| CN201410509184.4A CN104197996B (en) | 2014-09-28 | 2014-09-28 | A kind of tandem double pressure drilling fluid density and mass flow detecting system |
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| CN201410509184.4A CN104197996B (en) | 2014-09-28 | 2014-09-28 | A kind of tandem double pressure drilling fluid density and mass flow detecting system |
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| CN104197996B true CN104197996B (en) | 2016-08-24 |
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| CN105067060B (en) * | 2015-09-16 | 2018-02-02 | 济南大学 | A kind of liquid mass flow meter and its detection method based on torsional oscillation |
| CN108240948A (en) * | 2016-12-23 | 2018-07-03 | 中石化石油工程技术服务有限公司 | The double pressure vibration tubular type drilling fluid density on-line measurement instrument of thermostatic type and measuring method |
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Inventor after: Song Fangzhen Inventor after: Li Dong Inventor after: Song Bo Inventor after: Ma Yuzhen Inventor after: Wang Xinhua Inventor after: Tao Liying Inventor after: Liu Baoshuang Inventor after: Wang Zhongjie Inventor before: Song Fangzhen Inventor before: Li Dong Inventor before: Song Bo Inventor before: Ma Yuzhen Inventor before: Wang Xinhua Inventor before: Tao Liying |
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Effective date of registration: 20151117 Address after: 257017 North Road, Dongying District, Shandong, No. 827, No. Applicant after: Drilling Well Technology Institute, Shengli Petroleum Engineering Co., Ltd., SINOPEC Address before: The central nanxinzhuang Ji'nan Road, No. 336 of 250022 cities in Shandong Province Applicant before: University of Jinan |
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