CN206459947U - A kind of drilling fluid lubricating tubularpH sensor instrument - Google Patents
A kind of drilling fluid lubricating tubularpH sensor instrument Download PDFInfo
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- CN206459947U CN206459947U CN201621428474.7U CN201621428474U CN206459947U CN 206459947 U CN206459947 U CN 206459947U CN 201621428474 U CN201621428474 U CN 201621428474U CN 206459947 U CN206459947 U CN 206459947U
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- drilling fluid
- sample room
- power transmission
- transmission shaft
- brake pad
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Abstract
The utility model discloses a kind of drilling fluid lubricating tubularpH sensor instrument, it includes sealed sample room, motor, drag ring, brake pad, assistor and pressure measuring element, torque measurement element, data acquisition device and computer, and wherein sealed sample room connects drilling fluid injection port and drilling fluid outlet respectively；Motor connection power transmission shaft, power transmission shaft is stretched into sealed sample room and power transmission shaft lower end connection drag ring；Torque measurement element is arranged on the bottom of chamber in sealed sample room, and brake pad is installed in torque measurement element upper end by support, and brake pad is located at the periphery of the drag ring and is provided with normal pressure measuring cell thereon；Torque measurement element, normal pressure measuring cell connect data acquisition device, data acquisition device connection computer by signal wire respectively.Compared with prior art, the instrument that the utility model is related to realizes the automatic online measurement of drilling fluid lubricating, solves the volatilization problems of drilling fluid, reduces influence of the system friction to measurement result, improve measurement accuracy.
Description
Technical field
The utility model belongs to drilling fluid lubricating measuring apparatus field, more particularly to one kind is used for drilling fluid lubricating certainly
The lubricity tester of dynamicization on-line measurement, it is adaptable to the automatic online measurement of live drilling fluid lubricating.
Background technology
The lubricity of drilling fluid is one of important performance of drilling fluid, and the quality of drilling fluid lubricating directly affects drill string
Frictional force between the borehole wall, affects the rotation torque of drill string and the resistance that makes a trip, card is often caused when frictional force is too big
The accidents such as brill, so as to influence being normally carried out for drilling engineering.Recently as the development of drilling technology, particularly complex pressure layer
System's adjustment well, the development of high-inclination directional well, the lubricity of drilling fluid is increasingly subject to pay attention to, in the urgent need to realizing drilling fluid lubricating
Property real-time measurement, automatically control, continuous record and data remote, so as to realize the Automated condtrol of drilling fluid lubricating.
For a long time, the lubricity of drilling fluid uses filter cake sticking coefficient analyzer, EP extreme boundary lubrications instrument and inclined-plane always
Three kinds of apparatus measures of filter cake lubricity tester, three kinds of instruments are laboratory experiment instrument, but cannot be used for the automatic online prison at scene
Survey.
2014, patent CN104929620 A were transformed EP extreme boundary lubrication instrument, first turned round manual compression
Torque wrench is changed to the Self-pressurizing agri controlled by computer, secondly can by PLC or other by the current of electric data-signal of collection
Programmable controller accesses drilling well real-time monitoring system acquisition module by cable or wireless data transmission module, is monitored in real time as drilling well
A part for system.Three be working time and the working procedure of drilling fluid on-line measurement extreme boundary lubrication instrument, by computer by can
Programmable controller is controlled.
But, the instrument is used for live drilling fluid lubricating measurement and also there are problems, and the instrument can not be realized first
The automation sampling of drilling fluid；Second, the long-term open outdoor placement of drilling fluid instrument, drilling fluid can evaporate；3rd, if used
Pump automatic sampling and prevent drilling fluid from evaporating, the sample room of test must just be sealed, thus must just use mechanical dynamic seal,
This necessarily increases the friction increase between fax moving axis and seal, therefore in the electric current increase into motor, causes frictional force to survey
Amount is bigger than normal, causes the error of measurement larger.
Utility model content
The utility model provides a kind of drilling fluid lubricating tubularpH sensor instrument, and the purpose is to realize drilling fluid lubricating
Property automatic online measurement, solve the volatilization problems of drilling fluid and reduce influence of the system friction to measurement result, from
And improve measurement accuracy.
The technical solution of the utility model is：Including sealed sample room, motor, drag ring, brake pad, assistor and pressure
Power measuring cell, torque measurement element, data acquisition device and computer, wherein the sealed sample room connects drilling fluid respectively
Injection port and drilling fluid outlet；The motor connection power transmission shaft, the power transmission shaft is stretched into sealed sample room and under power transmission shaft
Hold the drag ring described in connection；The torque measurement element is arranged on the bottom of chamber in sealed sample room, the torque measurement member
Brake pad is installed in part upper end by support, and the brake pad is located at the periphery of the drag ring and is provided with normal pressure measurement thereon
Element；The torque measurement element, normal pressure measuring cell connect data acquisition device, the data acquisition by signal wire respectively
Case connects computer.
Further, sealed between power transmission shaft and the sealed sample room using kettle with dynamic sealing.
Further, the brake pad is positioned opposite two pieces.
Further, the drilling fluid injection port connects sampling pump by pipeline, and the drilling fluid outlet passes through pipeline
Connect counterbalance valve.
Further, the motor uses constant speed motor.
Further, the motor speed is 60RPM.
Principle of the present utility model is：There are an injection port and outlet in sealed sample room, and injection port is connected with sampling pump,
Outlet installs a counterbalance valve, and regulation counterbalance valve can adjust the pressure of sample room；The axle of constant speed motor uses kettle with sample room
Sealed with dynamic sealing, and constant rotating speed is provided；Drag ring is arranged on electric machine main shaft, is pressed in a pair of modules with assistor and is rubbed
Wipe on ring, and apply certain normal pressure, the signal of normal pressure measuring cell is collected case feeding computer；Brake pad and moment of torsion
Measuring cell is connected, and drag ring drives drag ring to rotate and moment of torsion is transmitted into torque measurement element, passes through vasculum handle with frictional force
Torque measurement data send into computer, and computer calculates coefficient of friction, and records.
Compared with prior art, the automatic online that the instrument that the utility model is related to realizes drilling fluid lubricating is surveyed
Amount, solves the volatilization problems of drilling fluid, reduces influence of the system friction to measurement result, improve measurement accuracy.
Brief description of the drawings
Fig. 1 is drilling fluid lubricating tubularpH sensor instrument structural representation；
In figure, 1. constant speed motors；2. mechanical seal；3. sealed sample room；4. drag ring；5. assistor and pressure measxurement member
Part；6. brake pad；7. injection port；8. torque measurement element；9. outlet；10. data acquisition device；11. computer;12. sample
Chamber cap.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, drilling fluid lubricating tubularpH sensor instrument includes sealed sample room 3, constant speed motor 1, drag ring
4th, brake pad 6, assistor and pressure measuring element 5, torque measurement element 8, data acquisition device 10 and computer 11, wherein
Sealed sample room connects drilling fluid injection port and drilling fluid outlet respectively；Constant speed motor 1 connects power transmission shaft, and power transmission shaft stretches into close
Seal in sample room 3 and power transmission shaft lower end connection drag ring 4, use kettle to be machine with dynamic sealing between power transmission shaft and sealed sample room 3
Tool sealing 2 is sealed；Torque measurement element 8 is arranged on the bottom of the inner chamber of sealed sample room 3, and the upper end of torque measurement element 8 passes through branch
Frame installs brake pad 6, rubs, and 6 be positioned opposite two pieces, and brake pad 6 is located at the periphery of drag ring 4 and is provided with malleation thereon
Power measuring cell is assistor and pressure measuring element 5；Torque measurement element 8, assistor and pressure measuring element 5 lead to respectively
Cross signal wire connection data acquisition device 10, the connection computer 11 of data acquisition device 10.
The course of work is：Sample chamber cap 12 is first turned on, drag ring 4 is arranged on power transmission shaft, is installed and rubbed by support
Cleaning block 6, promotes brake pad 6 it is produced certain normal pressure P to drag ring 4, will rub with assistor and pressure measuring element 5
The support of cleaning block 6 is connected on torsion-testing element 8；Sample chamber cap 12 is covered sealing, torsion-testing is connected with signal wire
Element is on data acquisition device 10, while connecting assistor and pressure measuring element 5 to data acquisition device 10；By injection port 7
Drilling fluid turnover pipeline is connected with outlet 9, peristaltic pump circulating fluid sample is opened；Unlatching constant speed motor 1, and with
60RPM rotating speed rotation；Normal pressure P and moment of torsion M data are sent into computer by data acquisition device 10, and computer is according to drag ring
Diameter D and moment of torsion M calculate frictional force f on friction pair, friction system is calculated according to frictional force f and measurement normal pressure P
Number μ；The friction coefficient μ at each moment is measured in real time, the relation of continuous record friction coefficient μ and time t.
Claims (6)
1. a kind of drilling fluid lubricating tubularpH sensor instrument, it is characterised in that：Including sealed sample room, motor, drag ring,
Brake pad, assistor and pressure measuring element, torque measurement element, data acquisition device and computer, wherein the sealing
Sample room connects drilling fluid injection port and drilling fluid outlet respectively；The motor connection power transmission shaft, the power transmission shaft stretches into close
Seal the described drag ring of in sample room and power transmission shaft lower end connection；The torque measurement element is arranged on chamber in sealed sample room
Bottom, the torque measurement element upper end by support install brake pad, the brake pad be located at the drag ring periphery and
Normal pressure measuring cell is installed thereon；The torque measurement element, normal pressure measuring cell connect number by signal wire respectively
According to vasculum, the data acquisition device connects computer.
2. drilling fluid lubricating tubularpH sensor instrument according to claim 1, it is characterised in that：The power transmission shaft with
Sealed between sealed sample room using kettle with dynamic sealing.
3. drilling fluid lubricating tubularpH sensor instrument according to claim 1, it is characterised in that：The brake pad is
Positioned opposite two pieces.
4. drilling fluid lubricating tubularpH sensor instrument according to claim 1, it is characterised in that：The drilling fluid enters
Sample mouthful connects sampling pump by pipeline, and the drilling fluid outlet connects counterbalance valve by pipeline.
5. drilling fluid lubricating tubularpH sensor instrument according to claim 1, it is characterised in that：The motor is used
Constant speed motor.
6. according to any described drilling fluid lubricating tubularpH sensor instrument of claim 1-5, it is characterised in that：The electricity
Machine rotating speed is 60RPM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621428474.7U CN206459947U (en) | 2016-12-24 | 2016-12-24 | A kind of drilling fluid lubricating tubularpH sensor instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621428474.7U CN206459947U (en) | 2016-12-24 | 2016-12-24 | A kind of drilling fluid lubricating tubularpH sensor instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206459947U true CN206459947U (en) | 2017-09-01 |
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ID=59698327
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621428474.7U Active CN206459947U (en) | 2016-12-24 | 2016-12-24 | A kind of drilling fluid lubricating tubularpH sensor instrument |
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| CN (1) | CN206459947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240964A (en) * | 2016-12-24 | 2018-07-03 | 中石化石油工程技术服务有限公司 | A kind of drilling fluid lubricating tubularpH sensor instrument |
-
2016
- 2016-12-24 CN CN201621428474.7U patent/CN206459947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240964A (en) * | 2016-12-24 | 2018-07-03 | 中石化石油工程技术服务有限公司 | A kind of drilling fluid lubricating tubularpH sensor instrument |
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