CN206220957U - Gas spill and leakage position detecting device during controlled pressure drilling - Google Patents
Gas spill and leakage position detecting device during controlled pressure drilling Download PDFInfo
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- CN206220957U CN206220957U CN201621007253.2U CN201621007253U CN206220957U CN 206220957 U CN206220957 U CN 206220957U CN 201621007253 U CN201621007253 U CN 201621007253U CN 206220957 U CN206220957 U CN 206220957U
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Abstract
The utility model discloses gas spill and leakage position detecting device during a kind of controlled pressure drilling, including casing pressure sensor, standpipe pressure sensor, gas-liquid flowmeter, surge choke valve and industrial computer, the described standpipe pressure sensor is arranged on the junction of the rotary hose and kelly bar below the standpipe of drilling fluid porch, described sleeve pipe pressure sensor is arranged on drilling fluid casing annulus exit, it is connected on the pipeline after casing pressure sensor and is sequentially connected in series described gas-liquid flowmeter and the choke valve that surges, described industrial computer by four instruction transmission lines respectively with described casing pressure sensor, standpipe pressure sensor, gas-liquid flowmeter, the choke valve that surges is connected.The utility model has the advantages that detection is accurate, instantaneity is strong, equipment cost is low, simple to operate and have a wide range of application.
Description
Technical field
The utility model is related to the safety detection device technical field during controlled pressure drilling, specifically relates to one kind and exists
The device of gas cut position is detected during oil, gas drilling.
Background technology
During controlled pressure drilling, the exception feelings such as too low, strata pressure of surge pressure, drilling fluid density can be produced in lower drilling rod
Condition, these can all cause strata pressure more than annular pressure, cause formation gas to invade shaft bottom, and gas cut occurs.During generation gas cut,
Pressure in annular space is less than bottom pressure, if could not in time detect gas cut and take effective safeguard procedures, with gas to
The continuous transfer of well head, then can cause annular space further to increase with the Negative Pressure Difference of ground interlayer, aggravate gas cut, further deteriorate well
Lower security situation, easily induces the accidents such as blowout.Under normal circumstances, gas cut occurs at shaft bottom or casing shoe, but it is different to bore chance
During normal bad ground, gas cut is likely to occur in any position of Open-Hole Section.From controlled pressure drilling security standpoint, gas cut finds more early
It is better, gas cut position is accurately judged to, supression gas cut of adopting an effective measure is more beneficial for, fundamentally prevent gas blowout accident, protect
Card controlled pressure drilling is normally carried out safely.
At present, the existing various gas cut determination methods in controlled pressure drilling scene, such as drilling fluid pot level detection method, dc index methods,
Shale density method, torquemeter detection method, sonic time difference, pump impulse method etc..Most it is typically sonic time difference and pump impulse method.Its
In, the general principle of sonic time difference is, spread speed of the sound wave in drilling fluid with gas and the biography in not drilling fluid with gas
Broadcast speed different, when there is no gas cut, spread speed of the sound wave in drilling fluid in drilling rod and the biography in drilling fluid in annular space
Broadcast speed equal, when there is gas cut, the drilling fluid in annular space contains gas, and the sound wave that shaft bottom sends is through the gassiness drilling well in annular space
Time needed for liquid passes to ground is different from the time needed for passing to ground through the not drilling fluid with gas in drilling rod, according to this time
Difference size can determine whether out whether underground there occurs gas cut.The general principle of pump impulse method is, in controlled pressure drilling mud pump work, pump
Inner carrier produces pressure pulse, and this pressure pulse enters the circulatory system, drill string, mud motor, measuring while drilling system,
Propagated in bit nozzle, ground then returned to along annular space, the method is the pressure pulse operationally produced using slush pump,
As geostatic pressure impulse generator.
Such as Publication No. CN103032064A, publication date is that the Chinese patent literature on April 10 in 2013 discloses one kind
The method and device of gas cut position in drilling process is determined based on pressure wave time difference.The device is with throttling valve events generation of surging
Pressure wave is wave source, by detect standpipe pressure sensor and casing pressure sensor receive pressure wave time difference judge be
No generation gas cut；According to the propagation time difference of well head gas flow quantity, casing pressure, the pressure wave for detecting in annular space and drilling rod, use
Annular hydraulics model carries out Runge-Kutta iteration to each parameter, draws distribution, the velocity of wave of different grid void rates in annular space
The one-to-one relationship existed between response time, gas cut position and pressure wave response time, it is determined that there is the accurate position of gas cut
Put.
However, the gas cut that the gas incursion check of controlled pressure drilling industry is confined to both at home and abroad judges that there is no quickly, accurately to sentence
The method of gas cut position during disconnected controlled pressure drilling, it is impossible to meet the requirement of the accurate controlled pressure drilling of micrometeor.Accurately judge gas cut
Position not only facilitates analysis bad ground structure, and can take effective safeguard procedures for gas cut particular location, such as increases
Plus drilling fluid density, increase the method such as back pressure or casing off to restrain gas cut.How gas cut position is accurately judged, it has also become
Problem urgently to be resolved hurrily in current drilling engineering.Therefore, it is highly desirable to provide a kind of quick, accurate detection gas cut position dress
Put.
The content of the invention
The utility model is intended to defect and deficiency existing for above-mentioned prior art, there is provided a kind of controlled pressure drilling process
Middle gas spill and leakage position detecting device, the utility model has that detection is accurate, instantaneity is strong, equipment cost is low, it is simple to operate and
The advantage having a wide range of application.
The utility model is realized by using following technical proposals：
Gas spill and leakage position detecting device during a kind of controlled pressure drilling, it is characterised in that：Including casing pressure sensor,
Standpipe pressure sensor, gas-liquid flowmeter, surge choke valve and industrial computer, and the described standpipe pressure sensor is arranged on and bores
The junction of rotary hose and kelly bar below the standpipe of well liquid porch, described sleeve pipe pressure sensor is arranged on drilling fluid set
At pipe ring Air Export, it is connected on the pipeline after casing pressure sensor and is sequentially connected in series described gas-liquid flowmeter and the section that surges
Stream valve, described industrial computer by four instruction transmission lines respectively with described casing pressure sensor, standpipe pressure sensor,
Gas-liquid flowmeter, the choke valve that surges connection.
Described casing pressure sensor and standpipe pressure sensor are used for the casing pressure of real-time monitoring and vertical pressure, and pickup is passed
Sensor receives the time of pressure wave.
It is casing pressure that described casing pressure sensor and standpipe pressure sensor will be measured by the data command line, vertical
Pressure value and receive the time tranfer of pressure wave to the industrial computer.
Drilling fluid liquid phase flow, the gas phase flow rate in described gas-liquid flowmeter the real time measure annular space exit.
The fluid flow and gas flow values that described gas-liquid flowmeter will be measured in real time by the data command line are passed
Transport to the industrial computer.
The described choke valve that surges is for receiving and performing the throttle valve opening regulating command that industrial computer sends.
The described choke valve that surges is realized interacting by the data command line and the industrial computer, transmits the industrial computer
Instruction and the actuation time of the choke valve that surges is transmitted to the industrial computer.
Compared with prior art, what the utility model was reached has the beneficial effect that：
1st, detect accurate：Though whether conventional gas incursion check device can judge gas cut occurs, cannot detect exactly
Outlet invasion is put, and the utility model is based on pressure wave time difference method, not only realizes the function of conventional gas incursion check, and can be accurate
Determine gas cut position, compensate for existing apparatus and the defect that cannot judge gas cut position occur, operating efficiency can be effectively improved.
2nd, instantaneity is strong：The utility model is using the gentle flow meters real-time detection import export position pressure of pressure sensor
The change of power and flow, not only increases gas incursion check precision, and realizes the monitor in real time of controlled pressure drilling process, effectively improves
The sensitivity of detection.
3rd, equipment cost is low：The utility model need not be on a large scale improved well site, with the choke valve that surges of well head
Used as fluctuation sources, using pressure sensor gentle flow meters detection well head pressure and flow, data line is by each detection number
According to industrial computer is sent to, annular hydraulics calculating is carried out to each parameter by industrial computer, you can realize the detection of gas cut position.
4th, it is simple to operate：Industrial computer need to be only opened, each data line is connected（Whether data command line）, input correlation
Parameter, the output result on observation industrial computer screen can complete gas incursion check and gas cut position determines.
5th, have a wide range of application：The utility model is to can be widely applied under balance pressure drilling, controlled pressure drilling, micrometeor drilling well etc.
The detection of gas cut position in drilling process.
Brief description of the drawings
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, its
In：
Fig. 1 is the structural representation of the utility model gas cut position detecting device.
Fig. 2 is the built-in gas cut position inspection software computing block diagram of industrial computer of the present utility model.
Marked in figure：
1st, casing pressure sensor；2nd, standpipe pressure sensor；3rd, gas-liquid flowmeter；4th, surge choke valve；5th, industrial computer；
6th, transmission line is instructed；7th, sleeve pipe；8th, drill string；9th, standpipe.
Specific embodiment
Embodiment 1
As the better embodiment of the utility model one, set is included it discloses a kind of pressure wave gas cut position detecting device
Pipe pressure sensor 1, standpipe pressure sensor 2, gas-liquid flowmeter 3, the choke valve 4 that surges, industrial computer 5 and data order line 6.Institute
In the gas cut position detecting device stated, the standpipe pressure sensor 2 is arranged on the fire hose below the standpipe of drilling fluid porch
The junction of band and kelly bar, described sleeve pipe pressure sensor 1 is arranged on drilling fluid annular space exit, described sleeve pipe pressure sensing
Described gas-liquid flowmeter 3 and the choke valve 4 that surges is sequentially connected in series on pipeline after device 1.
In above-mentioned gas cut position detecting device, described sleeve pipe pressure sensor 1 and standpipe pressure sensor 2 can be supervised in real time
Casing pressure and vertical pressure are surveyed, pickup sensor receives the time of pressure wave；Described sleeve pipe pressure sensor 1 and standpipe pressure sensor
2 casing pressures that be able to will be measured by the data command line 6, the time tranfer for founding pressure value and receiving pressure wave to the industrial computer
5。
In above-mentioned gas cut position detecting device, the gas-liquid flowmeter 3 can the real time measure annular space exit drilling fluid
Liquid phase flow, gas phase flow rate；Fluid flow that the gas-liquid flowmeter 3 can will be measured in real time by the data command line 6 and
Gas flow values are transmitted to the industrial computer 5.
In above-mentioned gas cut position detecting device, the choke valve 4 that surges can receive and perform the throttling that industrial computer 5 sends
Valve opening regulating command；The choke valve 4 that surges is realized interacting by the data command line 6 and the industrial computer 5, transmits institute
State the instruction of industrial computer and transmit to the industrial computer 5 actuation time for surging choke valve 4.
In above-mentioned gas cut position detecting device, the instruction transmission line 6 has 4, respectively with described casing pressure
Sensor 1, standpipe pressure sensor 2, gas-liquid flowmeter 3, the choke valve 4 that surges are connected, conveying gas flow quantity, casing pressure, found pressure, liquid
Dynamic choke valve actuation time, casing pressure sensor receive the time of pressure wave, standpipe pressure sensor and receive pressure wave
Time to industrial computer 5, realize the gas-liquid flowmeter 3, casing pressure pressure sensor 2, vertical pressure pressure sensor 1 and regulation of surging
Data transfer and instruction between valve 4 and the industrial computer send.
In above-mentioned gas cut position detecting device, the industrial computer 5 has human-computer interaction interface, can be defeated on industrial computer 5
Enter made hole underlying parameter and drilling fluid properties；4 data transmission channels are provided with the industrial computer 5 altogether, respectively with four
Bar instruction transmission line is connected；The industrial computer 5 can be when the choke valve 4 that surge of instruction transmission line 6 transmission be acted described in real-time reception
Between, casing pressure sensor receives the time of pressure wave, standpipe pressure sensor and receives the time of pressure wave, standpipe pressure
Power, casing pressure, gas flow, fluid flow data；Built-in gas cut position inspection software in the industrial computer 5, according to annular space
Hydraulic model is calculated each parameter, draws distribution and the velocity of wave response time of annular space voidage, according to gas cut leak source position
The one-to-one relationship existed between the pressure wave response time is put, it is determined that there is the accurate location of gas cut, and on industrial computer 5
Display；The industrial computer 5 can send next step throttle valve opening regulating command according to result of calculation, by the instruction transmission line
6 transmit to the choke valve 4 that surges.
Above-mentioned gas cut position detecting device is the purpose for reaching gas incursion check, using following technical method：If the gas
Flow meters 3 are not detected by gas, then detect whether shaft bottom occurs gas cut, realize conventional gas incursion check function.The industry control
Machine 5 sends throttle valve opening regulating command, and the surge choke valve 4, the section that surges are transferred to by the data command line 6
Produce pressure wave, pressure wave to be propagated to shaft bottom along annular space at stream valve 4, be divided to two paths after reaching shaft bottom, respectively through mud in drilling rod
Mud returns to ground in slurry, annular space.The actuation time i.e. pressure wave time of origin of the choke valve 4 that surges, standpipe pressure sensing
Device 2 receives the gas that the time of pressure pulse, casing pressure sensor 1 receive the time of pressure pulse, gas-liquid flowmeter 3 is detected
Body flow and fluid flow, the sleeve pipe that standpipe pressure that standpipe pressure sensor 2 is detected, casing pressure sensor 1 are detected
Pressure and other parameters value is transmitted to the industrial computer 5 by the instruction transmission line 6.During generation gas cut, exist in drilling fluid in annular space
Gas, transmission speed of the pressure wave in drilling fluid with gas in annular space is much smaller than the propagation speed in the drilling rod not in drilling fluid with gas
Degree.Therefore, exist if the standpipe pressure sensor 2 receives pressure wave, i.e. pressure wave simultaneously with described sleeve pipe pressure sensor 1
Propagation time in standpipe is equal with the propagation time in sleeve pipe, then show gas cut, and now, the industrial computer 5 shows
Show " gas cut does not occur ".If the standpipe pressure sensor 2 first receives pressure wave, received after described sleeve pipe pressure sensor 1
To the propagation time of pressure wave, i.e. pressure wave in standpipe less than the propagation time in sleeve pipe, then show gas cut, now,
The industrial computer 5 shows " gas cut has occurred " and sends instruction that the aperture of the choke valve 4 that surged described in reduction increases annular space casing pressure
Suppress gas cut, until propagation time of the pressure wave in standpipe is equal with the propagation time in sleeve pipe, i.e., casing pressure is sensed
After device 1 and standpipe pressure sensor 2 receive pressure wave simultaneously, the industrial computer 5 sends instruction to be stopped regulation and surges choke valve
4。
Above-mentioned gas cut position detecting device is the purpose for reaching the detection of gas cut position, using following technical method：If institute
State gas-liquid flowmeter 3 and detect gas, then detect gas cut position.Now, the industrial computer 5 sends reduction to the choke valve 4 that surges
The instruction of aperture, the aperture of the choke valve 4 reduces rapidly suppression gas cut, and the choke valve 4 that surges produces pressure wave, and pressure wave is along ring
It is empty to be propagated to shaft bottom, return to ground through the paths of mud two in mud, annular space in drilling rod respectively after reaching shaft bottom.By the finger
Make transmission line 6 that the actuation time of the choke valve 4 that surges, standpipe pressure sensor 2 are received into the time of pressure pulse, casing pressure biography
Time, gas flow, fluid flow, casing pressure and the annular pressure parameter that sensor 1 receives pressure pulse are sent to industrial computer 5
In.The time of pressure wave is received according to two pressure sensors, it is determined that from shaft bottom return pressure wave in sleeve pipe and standpipe
The time difference Tc of propagation.Gas cut position inspection software built-in in the industrial computer 5 calculates gas cut position and is rung with pressure wave automatically
One-to-one relationship between seasonable, it is determined that there is the accurate location of gas cut, display output gas cut position on the industrial computer 5
Put.The measures such as next step throttle valve opening control plan, closing well or casing off can be selected to suppress gas according to gas cut position
Invade.
In above-mentioned gas cut position detecting device, the general principle of the built-in gas cut position inspection software of the industrial computer 5
It is：During controlled pressure drilling, there is gas cut in annular space, pressure velocity of wave can be reduced substantially, because gas density is less than drilling fluid
Density, migration rule of the gas in annular space is that gas is migrated along annular space from gas cut position to well head, gas cut position above annular space
Interior fluid is gas-liquid two-phase, is below single-phase liquid, and gas cut position above section well section length is designated as into H.Gas migration is to well
After mouthful, gas cut is suppressed by reducing throttle valve opening increase annular pressure, not only produce annulus back pressure during throttling valve events, together
When produce pressure wave, pressure wave is propagated along annular space to shaft bottom, be divided to two paths to return after reaching shaft bottom, one along annular space return,
One returns along drill string, and the time difference that the pressure wave that pressure sensor is detected is propagated in two paths is designated as Tc.
Annular space is separated into n grid by the built-in gas cut position inspection software of the industrial computer 5 when solving, and is at well head
First grid（Well depth H0=0m, voidage is φ 0, and casing pressure is P0, and velocity of wave is c0), according to well head parameter runge kutta method
Next mesh parameter can be iterated to calculate（φ 1, P1, H1, c1,）, i-th parameter of grid is tried to achieve successively（φ i, Pi, Hi, ci）,
The time of pressure-wave emission in correspondence grid can be calculated according to i-th parameter of grid.Pressure wave preceding i in annular space（i≤n）
Propagation time sum T1 in individual grid, such as formula（1）It is shown, the corresponding well of pressure wave in drilling rod i-th grid from annular space
Time needed for traveling to well head deeply is T2, such as formula（2）Shown, pressure wave time difference is △ T, such as formula（3）It is shown.
Calculated between gas cut position and pressure wave time difference △ T by the built-in gas cut position inspection software of the industrial computer 5
Corresponding relation, by formula（4）Two pressure sensors for calculating detect the time difference Tc that pressure wave propagates in two paths and
Difference between the velocity of wave time difference △ T for iterating to calculate out, if meeting formula（4）Middle precision δ requirements, then terminate computing, this up-to-date style（5）
The H for trying to achieve as annular space gas cut positions.Conversely, i=i+1, into next grid, repeat the above steps to meet precision will
Ask.
（1）
（2）
（3）
（4）
（5）
In formulaT 1--- the time of the pressure-wave emission returned along annular space, s；
T 2--- the time of the pressure-wave emission returned along drill string, s；
H i --- theiThe height of individual grid, m；
c i --- pressure wave isiSpread speed in individual grid, m/s；
c--- spread speed of the pressure wave in gas-free single-phase drilling fluid, m/s；
△T--- the pressure wave for calculating returns to the time difference, s；
T c --- the pressure wave that pressure sensor is detected returns to the time difference, s；
δ--- gas cut leak source computational accuracy, m；
H--- gas cut position above well section length, m；
Embodiment 2
Used as preferred forms of the present utility model, the utility model is described in further detail below in conjunction with the accompanying drawings, but
The utility model is not limited to following examples.
The structural representation of the utility model gas cut position detecting device is as shown in figure 1, the built-in gas cut position inspection of industrial computer 5
Software computing block diagram is surveyed as shown in Fig. 2 it is prior art.The utility model device can be by the waterpower to controlled pressure drilling process
Pressure measuring system is transformed, and combines the theoretical realization of annular hydraulics.
Pressure wave gas cut position detecting device of the present utility model includes casing pressure sensor 1, standpipe pressure sensor
2, standpipe pressure sensor 2 is arranged on the junction of the rotary hose and kelly bar below the standpipe of drilling fluid porch, sleeve pipe pressure
Force snesor 1 is arranged on drilling fluid annular space exit, and casing pressure sensor 1 and standpipe pressure sensor 2 can detect sleeve pipe pressure
Power and standpipe pressure, and pick up the time for receiving pressure wave；Gas-liquid flow is sequentially connected in series on pipeline after casing pressure sensor 1
Gauge 3 and the choke valve 4 that surges；Gas-liquid flowmeter 3 can detect the gas flow and fluid flow in well head annular space exit；Surge section
Stream valve 4 can receive and perform the throttle valve opening regulating command that industrial computer 5 sends；The device also includes data industrial computer 5 and refers to
Make transmission line 6；Data command transmission line has four, casing pressure sensor 1, standpipe pressure sensor 2, gas-liquid flowmeter 3,
The choke valve 4 that surges instructs transmission line to be connected with industrial computer 5 by four datas, to the conveying gas flow quantity of industrial computer 5, casing pressure,
Vertical pressure, choke valve actuation time of surging, casing pressure sensor receive the time of pressure wave, standpipe pressure sensor and receive
The time of pressure wave, the data transfer of realization and instruction send；Built-in gas cut position inspection software in industrial computer 5, by Fig. 2 institutes
The computing block diagram for showing, using Runge-Kutta iteration method, calculates each parameter according to annular hydraulics model, it is determined that there is gas
The accurate location invaded, is shown, and sent out to the choke valve 4 that surges by data command transmission line according to result of calculation on industrial computer 5
Go out the instruction of next step throttle valve adjustment.
The present apparatus can realize that the gentle invasion of gas incursion check puts two kinds of functions of detection.If the gas-liquid flowmeter 3 of well head is not detected
During to gas, then detect whether shaft bottom occurs gas cut, realize conventional gas incursion check function；If gas-liquid flowmeter 3 detects gas
Body, then detect gas cut position.
The specific implementation of the present embodiment is comprised the following steps：
The first step, opens industrial computer, it is ensured that each data command transmission line connection is correct, and oil is bored in input on industrial computer 5
The underlying parameter and drilling fluid properties of well, as shown in table 1；
Second step, industrial computer is received in embodiment as shown in table 2 data and testing result, if each equipment is in normally
Working condition, well head is not detected by gas, then into gas incursion check function, " normal " or " is shown on industrial computer screen
Generation gas cut ", if well head detects gas, into gas cut position detecting function, shows gas cut position on industrial computer screen,
Industrial computer simultaneously sends the instruction of next step throttle valve adjustment by data command transmission line according to result of calculation to the choke valve 4 that surges；
3rd step, according to the gas cut position shown on industrial computer, takes reduction throttle valve opening, closing well, casing off
Or increase the measure such as drilling fluid density and suppress gas cut.
Each equipment of the present utility model, can determine the model and range of specific equipment, gas-liquid according to job site operating mode
The range of flowmeter 3 determines according to mud flow rate and gas cut degree, and the range of the choke valve 4 that surges can be according to can in drilling process
The size for controlling back pressure determines.
Claims (7)
1. gas spill and leakage position detecting device during a kind of controlled pressure drilling, it is characterised in that：Including casing pressure sensor
（1）, standpipe pressure sensor（2）, gas-liquid flowmeter（3）, surge choke valve（4）And industrial computer（5）, described standpipe pressure passes
Sensor（2）The junction of rotary hose and kelly bar below the standpipe of drilling fluid porch, described sleeve pipe pressure sensing
Device（1）Installed in drilling fluid sleeve pipe（7）Annular space exit, is connected to casing pressure sensor（1）Gone here and there successively on pipeline afterwards
The described gas-liquid flowmeter of connection（3）With the choke valve that surges（4）, described industrial computer（5）By four instruction transmission lines（6）Respectively
With described casing pressure sensor（1）, standpipe pressure sensor（2）, gas-liquid flowmeter（3）, surge choke valve（4）Connection.
2. gas spill and leakage position detecting device during a kind of controlled pressure drilling according to claim 1, it is characterised in that：Institute
The casing pressure sensor stated（1）With standpipe pressure sensor（2）For by the casing pressure of real-time monitoring and vertical pressure, picking up sensor
Receive the time of pressure wave.
3. gas spill and leakage position detecting device during a kind of controlled pressure drilling according to claim 1, it is characterised in that：Institute
The casing pressure sensor stated（1）With standpipe pressure sensor（2）Casing pressure, the vertical pressure value that will be measured by the instruction transmission line
And receive the time tranfer of pressure wave to the industrial computer（5）.
4. gas spill and leakage position detecting device during a kind of controlled pressure drilling according to claim 1, it is characterised in that：Institute
The gas-liquid flowmeter stated（3）The drilling fluid liquid phase flow in the real time measure annular space exit, gas phase flow rate.
5. gas spill and leakage position detecting device during a kind of controlled pressure drilling according to claim 1, it is characterised in that：Institute
The gas-liquid flowmeter stated（3）Transmitted to described by the fluid flow that will measure in real time of instruction transmission line and gas flow values
Industrial computer（5）.
6. gas spill and leakage position detecting device during a kind of controlled pressure drilling according to claim 1, it is characterised in that：Institute
The choke valve that surges stated（4）For receiving and perform industrial computer（5）The throttle valve opening regulating command for sending.
7. gas spill and leakage position detecting device during a kind of controlled pressure drilling according to claim 1, it is characterised in that：Institute
The choke valve that surges stated（4）By instruction transmission line and the industrial computer（5）Interaction is realized, the industrial computer is transmitted（5）
Instruction and by the choke valve that surges（4）Actuation time transmit to the industrial computer（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201621007253.2U CN206220957U (en) | 2016-08-31 | 2016-08-31 | Gas spill and leakage position detecting device during controlled pressure drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621007253.2U CN206220957U (en) | 2016-08-31 | 2016-08-31 | Gas spill and leakage position detecting device during controlled pressure drilling |
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| Publication Number | Publication Date |
|---|---|
| CN206220957U true CN206220957U (en) | 2017-06-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708711A (en) * | 2018-05-25 | 2018-10-26 | 贵州省非常规天然气勘探开发利用工程研究中心有限公司 | A kind of method of accurate determining loss horizon |
| CN110388189A (en) * | 2019-05-15 | 2019-10-29 | 西南石油大学 | A kind of high temperature high pressure deep well drilling well overflow intelligence throttle well killing method and device |
| WO2022203672A1 (en) * | 2021-03-24 | 2022-09-29 | Halliburton Energy Services, Inc. | Drilling system with gas detection system for use in drilling a well |
-
2016
- 2016-08-31 CN CN201621007253.2U patent/CN206220957U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708711A (en) * | 2018-05-25 | 2018-10-26 | 贵州省非常规天然气勘探开发利用工程研究中心有限公司 | A kind of method of accurate determining loss horizon |
| CN110388189A (en) * | 2019-05-15 | 2019-10-29 | 西南石油大学 | A kind of high temperature high pressure deep well drilling well overflow intelligence throttle well killing method and device |
| CN110388189B (en) * | 2019-05-15 | 2024-03-19 | 西南石油大学 | Intelligent throttling well-killing method and device for overflow of high-temperature high-pressure deep well drilling |
| WO2022203672A1 (en) * | 2021-03-24 | 2022-09-29 | Halliburton Energy Services, Inc. | Drilling system with gas detection system for use in drilling a well |
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