CN208089284U - A kind of experimental provision measuring shale gas well cementation annular space replacement efficiency - Google Patents
A kind of experimental provision measuring shale gas well cementation annular space replacement efficiency Download PDFInfo
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- CN208089284U CN208089284U CN201821123488.7U CN201821123488U CN208089284U CN 208089284 U CN208089284 U CN 208089284U CN 201821123488 U CN201821123488 U CN 201821123488U CN 208089284 U CN208089284 U CN 208089284U
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- wellbore
- lucite tube
- measuring
- experimental provision
- replacement efficiency
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Abstract
The utility model discloses a kind of experimental provisions of measurement shale gas well cementation annular space replacement efficiency, and experimental provision includes measuring system, wellbore system, hole deviation regulating system and recirculating slurry system；Measuring system is connected to wellbore system, for measuring and recording experimental data；Wellbore system is connected to recirculating slurry system, for simulating live pit shaft；Hole deviation regulating system is connected to wellbore system, the gradient for adjusting wellbore system, the hole angle of simulation wellbore hole；Recirculating slurry system is connected to wellbore system, for circulating in the liquid flowed in pit shaft.The device can monitor the flow field change and flow regime of annular fluid in real time, and replacement efficiency can accurately be calculated.
Description
Technical field
The utility model is related to shale gas laboratory experiment technical field, especially a kind of measurement shale gas well cementation annular space replaces
The experimental provision of efficiency.
Background technology
In recent years, shale gas, which is developed, has become the emphasis that gas industries are studied, but the difficult point of shale gas exploitation
One of be exactly to have used oil-base mud, oil-base mud is trapped in the borehole wall and sleeve outer wall, is brought to cementing operation huge
Difficulty causes bonding quality bad, and cementing quality is not high.The height of wherein cementing quality directly affects the effect of fracturing,
And the height of replacement efficiency directly determines cementing quality, so, it improves replacement efficiency and is equal to improve oil and gas production.Wherein grind
Study carefully and understand the flowing of shale gas well cementation annular fluid, blending, replace mechanism, will directly instruct how field practice designs prepad fluid
Performance improves replacement efficiency, improves yield for the later stage and establishes solid foundation.But existing device is problematic in that, such as award
Weigh notification number：CN202628028U, when horizontal well profile replacement efficiency measurement device measures replacement efficiency, probe and drilling well
Liquid contacts, and is easy to block and delay drilling fluid thickness can not accurate characterization replacement efficiency.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of measurement shale gas well cementation annular space replacement
The experimental provision of efficiency can monitor the flow field change and flow regime of annular fluid, and top can accurately be calculated in real time
For efficiency.
The purpose of this utility model is achieved through the following technical solutions：A kind of measurement shale gas well cementation annular space replacement efficiency
Experimental provision, experimental provision includes measuring system, wellbore system, hole deviation regulating system and recirculating slurry system；The measurement
System is connected to wellbore system, for measuring and recording experimental data；The wellbore system is connected to recirculating slurry system, is used for
The live pit shaft of simulation；The hole deviation regulating system is connected to wellbore system, the gradient for adjusting wellbore system, simulation wellbore hole
Hole angle；The recirculating slurry system is connected to wellbore system, for making the liquid circulation flowed in pit shaft.
Preferably, the wellbore system includes lucite tube and copper casing, and copper is provided in the lucite tube
Casing processed, the top surface sealing of the lucite tube, and copper sleeve upper end is contacted with the top surface of lucite tube, it is described organic
The axially disposed top there are three opening and the copper casing in glass tube top surface is communicated with middle opening, the copper casing
Bottom be opening and do not contact the bottom of lucite tube.
Preferably, the measuring system includes computer, pinboard, copper probe and D.C. regulated power supply, the calculating
Machine data acquisition line connects pinboard, and the pinboard is connected with D.C. regulated power supply, the multiple copper probe electric wire connection
Pinboard and multiple coppers probe are distributed on the two side walls of lucite tube, and the D.C. regulated power supply is also connected to copper set
Outlet above pipe.
Preferably, the hole deviation regulating system includes holder, and the both sides of the lucite tube are connected by shaft and holder
It connects.
Preferably, the recirculating slurry system includes flowmeter, water pipe, centrifugal pump, flow valve and metal bucket, described organic
Three openings on glass tube are connected to water pipe respectively, and three water pipes all access in metal bucket, among described and lucite tube
It is further connected with flowmeter on the water pipe of opening, centrifugal pump is further connected with after the flowmeter.
Preferably, copper probe, adapter and computer are mainly responsible for receive operator and instruct and carry out data and connect
The tasks such as receipts, conversion, storage；Holder and lucite tube are mainly responsible for the adjusting of hole angle and the support of lucite tube；It is useless
Liquid collecting vessel, inlet tube and centrifugal pump are mainly responsible for displacement fluid and the cycle by displacement fluid.
The utility model has the following advantages：（1）Device provided by the utility model can measure mass data, realize
To the real-time dynamic monitoring of annular fluid, the flow field change of heterogeneous fluid, blending procedure in entire displacement process can be studied
The insoluble problem of equal multiphase flows；（2）The present apparatus it is vdiverse in function, simple in structure, can both adjust hole deviation angle research well
Influence of the oblique angle to replacement efficiency can also study the degree of eccentricity, annular space returns influence of the factors such as speed to replacement efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
In figure：1- computers, 2- pinboards, 3- D.C. regulated power supplies, 4- holders, 5- coppers probe, 6- lucite tubes,
7- copper pipe sleeves, 8- data acquisition lines, 9- flowmeters, 10- water pipes, 11- centrifugal pumps, 12- flow valves, 13- metal buckets.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings, but the scope of protection of the utility model is not limited to
It is as described below.
As shown in Figure 1, a kind of experimental provision measuring shale gas well cementation annular space replacement efficiency, experimental provision includes measuring to be
System, wellbore system, hole deviation regulating system and recirculating slurry system；The measuring system is connected to wellbore system, for measuring simultaneously
Record experimental data；The wellbore system is connected to recirculating slurry system, for simulating live pit shaft；The hole deviation regulating system
It is connected to wellbore system, the gradient for adjusting wellbore system, the hole angle of simulation wellbore hole；The recirculating slurry system is connected to
Wellbore system, for making the liquid circulation flowed in pit shaft.
Preferably, the wellbore system includes lucite tube 6 and copper casing 7, is provided in the lucite tube 6
Copper casing 7, the top surface sealing of the lucite tube 6, and 7 upper end of copper casing is contacted with the top surface of lucite tube 6, institute
It is axially disposed there are three being open and communicate between opening and the copper casing 7 to state 6 face of lucite tube, the copper casing 7
Bottom is opening and does not contact the bottom of lucite tube 6.
Preferably, the measuring system includes computer 1, pinboard 2, copper probe 5 and D.C. regulated power supply 3, described
Computer 1 connects pinboard 2, and the pinboard 2 is connected with D.C. regulated power supply 3, and the multiple copper probe 5 passes through computer
Data acquisition line 8 connects pinboard 2 and multiple coppers probe 5 is distributed on the two side walls of lucite tube 6, the DC voltage-stabilizing
Power supply 3 is also connected to the outlet of 5 top of copper probe.
Preferably, the hole deviation regulating system includes holder 4, and the both sides of the lucite tube 6 pass through shaft and holder 4
Connection.
Preferably, the recirculating slurry system includes flowmeter 9, water pipe 10, centrifugal pump 11, flow valve 12 and metal bucket
13, three openings on the lucite tube 6 are connected to water pipe 10 respectively, and three water pipes 10 all access in metal bucket 13, institute
It states and is further connected with flowmeter 9 on the water pipe 10 of 6 middle opening of lucite tube, centrifugal pump 11 is further connected with after the flowmeter 9.
The course of work of the utility model is as follows：First, in accordance with the description above and attached drawing mounting device, good replace is configured
Liquid, i.e. prepad fluid, and by displacement fluid, i.e. oil-base mud, and put it into specified containers, shaft is then transferred, is adjusted organic
Glass tube angulation is to level at 30 degree, i.e., hole angle is 30 degree, fixed lucite tube, and 48 tunnels high-precision is adjusted by computer
Usb data acquisition and recording systematic parameter takes 4 times of sample rate 3750, signal gain, and measuring system is adopted according to what is set in computer
Sample rate, signal gain multiple are timed sampling, while signal is passed to computer and carries out power amplification, carry out data and adopt
Collection.Then direct regulated power supply is connected, adjusting voltage is 1V, adjusts voltage levels, and voltage cannot be excessive, in order to avoid burn out measurement system
System, can not be too small, in order to avoid signal is too weak, inlet tube is put by replacement fluid cylinder, flowmeter is observed, adjusts flow valve, make by
Displacement fluid is in turbulent condition in inventionannulus flow, opens centrifugal pump, and cycle is by displacement fluid, when being full of lucite tube by displacement fluid
48 tunnel high-precision usb data acquisition and recording systems are run immediately afterwards, until suspending after data stabilization；Inlet tube is put into and is replaced
Liquid bucket observes flowmeter again, adjusts flow valve, and it is in turbulent condition in inventionannulus flow to make displacement fluid, opens the same of centrifugal pump
48 tunnel high-precision usb data acquisition and recording systems of Shi Kaiqi close centrifugal pump after a certain amount of displacement fluid cycle, and suspend survey
Amount system；The liquid in lucite tube is released, lucite tube is cleaned, waste liquid is poured into appointed place, carries out cleaning,
Experimental data is exported from computer, then result of calculation.
Above-described is only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, under the premise of different disengaging the concept of the present invention, various modifications and improvements can be made, these are all
Belong to the scope of protection of the utility model.
Claims (5)
1. a kind of experimental provision measuring shale gas well cementation annular space replacement efficiency, it is characterised in that：Experimental provision includes measuring to be
System, wellbore system, hole deviation regulating system and recirculating slurry system；
The measuring system is connected to wellbore system, for measuring and recording experimental data；
The wellbore system is connected to recirculating slurry system, for simulating live pit shaft；
The hole deviation regulating system is connected to wellbore system, the gradient for adjusting wellbore system, the hole angle of simulation wellbore hole；
The recirculating slurry system is connected to wellbore system, for making the liquid circulation flowed in pit shaft.
2. a kind of experimental provision measuring shale gas well cementation annular space replacement efficiency according to claim 1, it is characterised in that：
The wellbore system includes lucite tube（6）With copper casing（7）, the lucite tube（6）Inside it is provided with copper casing
（7）, the lucite tube（6）Top surface sealing, and copper casing（7）Upper end and lucite tube（6）Top surface contact, institute
State lucite tube（6）Top surface is axially disposed, and there are three opening and the copper casings（7）Top communicated with middle opening,
The copper casing（7）Bottom be opening and do not contact lucite tube（6）Bottom.
3. a kind of experimental provision measuring shale gas well cementation annular space replacement efficiency according to claim 2, it is characterised in that：
The measuring system includes computer（1）, pinboard（2）, copper probe（5）And D.C. regulated power supply（3）, the computer
（1）Connect pinboard（2）, the pinboard（2）It is connected with D.C. regulated power supply（3）, the multiple copper probe（5）Pass through number
According to gathering line（8）Connect pinboard（2）And multiple copper probes（5）It is distributed on lucite tube（6）Two side walls, it is described straight
Flow regulated power supply（3）It is also connected to copper casing（7）The outlet of top.
4. a kind of experimental provision measuring shale gas well cementation annular space replacement efficiency according to claim 2, it is characterised in that：
The hole deviation regulating system includes holder（4）, the lucite tube（6）Both sides pass through shaft and holder（4）Connection.
5. a kind of experimental provision measuring shale gas well cementation annular space replacement efficiency according to claim 2, it is characterised in that：
The recirculating slurry system includes flowmeter（9）, water pipe（10）, centrifugal pump（11）, flow valve（12）And metal bucket（13）, described
Lucite tube（6）On three openings be connected to water pipe respectively（10）, three water pipes（10）All access metal bucket（13）It is interior, institute
It states and lucite tube（6）The water pipe of middle opening（10）On be further connected with flowmeter（9）, the flowmeter（9）After be further connected with from
Heart pump（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123488.7U CN208089284U (en) | 2018-07-16 | 2018-07-16 | A kind of experimental provision measuring shale gas well cementation annular space replacement efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123488.7U CN208089284U (en) | 2018-07-16 | 2018-07-16 | A kind of experimental provision measuring shale gas well cementation annular space replacement efficiency |
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| Publication Number | Publication Date |
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| CN208089284U true CN208089284U (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821123488.7U Expired - Fee Related CN208089284U (en) | 2018-07-16 | 2018-07-16 | A kind of experimental provision measuring shale gas well cementation annular space replacement efficiency |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617018A (en) * | 2019-09-16 | 2019-12-27 | 西南石油大学 | Device and method for evaluating flushing efficiency of filter cake of well cementation cement injection drilling fluid |
-
2018
- 2018-07-16 CN CN201821123488.7U patent/CN208089284U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617018A (en) * | 2019-09-16 | 2019-12-27 | 西南石油大学 | Device and method for evaluating flushing efficiency of filter cake of well cementation cement injection drilling fluid |
| CN110617018B (en) * | 2019-09-16 | 2021-06-11 | 西南石油大学 | Device and method for evaluating flushing efficiency of filter cake of well cementation cement injection drilling fluid |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20190716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |