CN102704875A - Novel non-contact mud outlet flow instrument - Google Patents
Novel non-contact mud outlet flow instrument Download PDFInfo
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- CN102704875A CN102704875A CN2012101772861A CN201210177286A CN102704875A CN 102704875 A CN102704875 A CN 102704875A CN 2012101772861 A CN2012101772861 A CN 2012101772861A CN 201210177286 A CN201210177286 A CN 201210177286A CN 102704875 A CN102704875 A CN 102704875A
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- mud
- flow
- electric wave
- mud outlet
- display unit
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Abstract
The invention relates to a novel non-contact mud outlet flow instrument. The novel non-contact mud outlet flow instrument comprises a shell, an acquisition and display unit, a cable, an installation support, an ultrasonic sensor, an electric wave flow speed sensor and a fixing cylinder; the acquisition and display unit is fixed in the shell; the ultrasonic sensor is fixed beneath the shell; the electric wave flow speed sensor is positioned and clamped in the fixing cylinder and is fixed on the lower part of the left side of the shell; the acquisition and display unit is connected with the electric wave flow speed sensor and the ultrasonic sensor respectively through the cable; and the shell is arranged on a mud refluxing tank through the installation support. The absolute flow is measured according to the flow speed and the effective section area. The mud outlet flow is stored. A liquid crystal display screen can display the instantaneous and accumulated mud outlet flow in real time. The novel non-contact mud outlet flow instrument has the advantages of measuring the non-contact mud outlet absolute flow, along with simple structure and stable using performance.
Description
Technical field
The present invention relates to indicate in real time in a kind of drilling and repairing well process the instrument of rig or workover rig mud-outlet-flow, be specifically related to a kind of novel contactless mud-outlet-flow appearance.
Background technology
Mud-outlet-flow is the important parameter that the driller pays close attention in the drilling and repairing well process.The mud-outlet-flow appearance that in the drilling and repairing well process, uses at present adopts ultrasonic wave or paddle board formula mud outlet sensor.Be installed in the overhead backflash or overhead return duct between bored shaft and slurry tank.Mud liquid level in the ultrasonic type mud outlet sensor measurement mud return duct, mud backflow percentage in the reflection return duct.The signal that the output of paddle board formula mud outlet sensor is directly proportional with the mud amount of flows through sensor.Be set to 4mA during no flow (0 flow), be set to 20mA during flowing full amount (100% flow).In actual use, the measuring method of traditional mud outlet is to measure mud backflow percentage in the outlet mud ditch, can only reflect mud outlet relative discharge indirectly.Market presses for a kind of measuring apparatus of mud outlet absolute flow rate.
Summary of the invention
The present invention provides a kind of novel contactless mud-outlet-flow appearance in order to overcome the deficiency that existing mud-outlet-flow appearance can not realize that mud outlet absolute flow rate is measured, and can realize the measurement of contactless mud outlet absolute flow rate.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of novel contactless mud-outlet-flow appearance comprises housing, gathers display unit, cable, mounting bracket, ultrasonic sensor, electric wave flow sensor, stationary magazine creel; Gathering display unit is fixed in the housing; Ultrasonic sensor is fixed on lower housing portion; The electric wave flow sensor is located clamping in stationary magazine creel; And be fixed on housing left surface bottom, and to gather display unit and link to each other with electric wave flow sensor, ultrasonic sensor respectively through cable, housing is installed on the mud backflash through mounting bracket.
Cable inserts in the housing with the stainless steel separator seal nipple; Electric wave flow sensor measures mud speed rate, ultrasonic sensor is measured the mud liquid level and then is tried to achieve effective cross-sectional area, realizes the measurement of mud outlet absolute flow rate.
Gather display unit and comprise data collecting system, LCDs and operation push-button; Data collecting system is installed in the housing; LCDs and operation push-button are installed in surface of shell respectively, and data collecting system links to each other with electric wave flow sensor, ultrasonic sensor respectively.Data collecting system is bought from market and is obtained.
Electric wave flow sensor measures mud speed rate of the present invention, ultrasonic sensor is measured the mud liquid level and then is tried to achieve effective cross-sectional area, thus computation of mud outlet absolute flow rate.
The specific embodiment of the invention: the variable quantity that ultrasonic sensor exports liquid level with mud is converted into the signal of telecommunication, the electric wave flow sensor is given data collecting system with mud speed rate through cable transmission, and data collecting system is handled the signal of telecommunication.According to q
v=v*A calculates instantaneous volume flow rate, wherein: q
vRepresentation unit flows through the volume of the mud of useful cross section in the time, v representes the flow velocity of mud, and A representes the area of useful cross section.Integrated flux
q
vThe expression instantaneous volume flow rate, V representes integrated flux, t representes a certain period.On display screen, show instantaneous and accumulation mud-outlet-flow in real time.Gathering display unit can also be through RS485 interface or 4mA～20mA electric current output carrying out teletransmission of data.
Advantage of the present invention: solve the difficult problem that contactless mud outlet absolute flow rate is measured.Simple in structure.Functional performance is stable.
Description of drawings
Fig. 1 is a right view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a vertical view of the present invention.
Fig. 4 is an installation drawing of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is carried out detailed explanation:
Like Fig. 1, Fig. 2, shown in Figure 3, the present invention includes housing 1, gather display unit, cable 3, mounting bracket 4, ultrasonic sensor 5, electric wave flow sensor 6, stationary magazine creel 7; Ultrasonic sensor 5 is fixed on housing 1 bottom; Electric wave flow sensor 6 is located clamping in stationary magazine creel 7; And be fixed on housing 1 left surface bottom, and described collection display unit comprises data collecting system 2, LCDs 9 and operation push-button 8, data collecting system 2 is installed in the housing 1; LCDs 9 is installed in surface of shell respectively with operation push-button 8, and data collecting system links to each other with electric wave flow sensor, ultrasonic sensor respectively; Housing 1 is installed on the mud backflash through mounting bracket 4.Data collecting system is bought from market and is obtained.
As shown in Figure 4, if the mud return duct be circular, can select a suitable position about one meter long flat square box of burn-oning above that, with mud backflow liquid level maintenance level.If the mud return duct is for opening wide flat-bottom slot, above that both sides each make a call to four installing holes, direct base plate with installing rack is fixed on the flat backflash.
The specific embodiment of the invention: the variable quantity that ultrasonic sensor exports liquid level with mud is converted into the signal of telecommunication, the electric wave flow sensor is given data collecting system with mud speed rate through cable transmission, and data collecting system is handled the signal of telecommunication.According to q
v=v*A calculates instantaneous volume flow rate, wherein q
vRepresentation unit flows through the volume of the mud of useful cross section in the time.V representes the flow velocity of mud, and A representes the area of useful cross section.Integrated flux
q
vThe expression instantaneous volume flow rate, V representes the flow that adds up, t representes a certain period.On display screen, show instantaneous and accumulation mud-outlet-flow in real time.Gathering display unit can also be through RS485 interface or 4mA～20mA electric current output carrying out teletransmission of data.
Claims (2)
1. a novel contactless mud-outlet-flow appearance comprises housing (1), gathers display unit, cable (3), mounting bracket (4), ultrasonic sensor (5), electric wave flow sensor (6), stationary magazine creel (7); Gathering display unit is fixed in the housing (1); Ultrasonic sensor (5) is fixed on housing (1) bottom; Electric wave flow sensor (6) is located clamping in stationary magazine creel (7); And be fixed on housing (1) left surface bottom, and to gather display unit and link to each other with electric wave flow sensor (6), ultrasonic sensor (5) respectively through cable (3), housing (1) is installed on the mud backflash through mounting bracket (4).
2. novel contactless mud-outlet-flow appearance according to claim 1; It is characterized in that: gather display unit and comprise data collecting system (2), LCDs (9) and operation push-button (8); Data collecting system (2) is installed in the housing; LCDs (9) and operation push-button (8) are installed in surface of shell respectively, and data collecting system links to each other with electric wave flow sensor, ultrasonic sensor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101772861A CN102704875A (en) | 2012-06-01 | 2012-06-01 | Novel non-contact mud outlet flow instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101772861A CN102704875A (en) | 2012-06-01 | 2012-06-01 | Novel non-contact mud outlet flow instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102704875A true CN102704875A (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101772861A Pending CN102704875A (en) | 2012-06-01 | 2012-06-01 | Novel non-contact mud outlet flow instrument |
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| CN (1) | CN102704875A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242279A (en) * | 2019-07-05 | 2019-09-17 | 荆州市明德科技有限公司 | Single-well crude oil three-phase flow metering device and its method |
| CN110439488A (en) * | 2019-08-30 | 2019-11-12 | 中国石油集团川庆钻探工程有限公司 | Solid-liquid flow measuring system and measurement method in a kind of drilling well manifold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1979099A (en) * | 2005-12-06 | 2007-06-13 | 上海中油石油仪器制造有限公司 | Method for measuring high-pressure buffering pot mud-outlet-flow by open channel method |
| CN101446191A (en) * | 2008-11-17 | 2009-06-03 | 文必用 | Drilling well control parameter intelligent monitoring system |
| CN102121357A (en) * | 2011-01-13 | 2011-07-13 | 东北石油大学 | Drilling fluid return flow measuring method and measuring device thereof |
| CN102174887A (en) * | 2011-01-05 | 2011-09-07 | 中国海洋石油总公司 | Device for measuring annulus flow between sea bottom marine riser and drill column by using ultrasonic waves |
-
2012
- 2012-06-01 CN CN2012101772861A patent/CN102704875A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1979099A (en) * | 2005-12-06 | 2007-06-13 | 上海中油石油仪器制造有限公司 | Method for measuring high-pressure buffering pot mud-outlet-flow by open channel method |
| CN101446191A (en) * | 2008-11-17 | 2009-06-03 | 文必用 | Drilling well control parameter intelligent monitoring system |
| CN102174887A (en) * | 2011-01-05 | 2011-09-07 | 中国海洋石油总公司 | Device for measuring annulus flow between sea bottom marine riser and drill column by using ultrasonic waves |
| CN102121357A (en) * | 2011-01-13 | 2011-07-13 | 东北石油大学 | Drilling fluid return flow measuring method and measuring device thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242279A (en) * | 2019-07-05 | 2019-09-17 | 荆州市明德科技有限公司 | Single-well crude oil three-phase flow metering device and its method |
| CN110439488A (en) * | 2019-08-30 | 2019-11-12 | 中国石油集团川庆钻探工程有限公司 | Solid-liquid flow measuring system and measurement method in a kind of drilling well manifold |
| CN110439488B (en) * | 2019-08-30 | 2021-12-03 | 中国石油集团川庆钻探工程有限公司 | System and method for measuring flow of solid-liquid fluid in drilling manifold |
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Application publication date: 20121003 |