CN206329319U - Return fluid monitoring device of gas drilling safety guarantee system - Google Patents
Return fluid monitoring device of gas drilling safety guarantee system Download PDFInfo
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- CN206329319U CN206329319U CN201621358552.0U CN201621358552U CN206329319U CN 206329319 U CN206329319 U CN 206329319U CN 201621358552 U CN201621358552 U CN 201621358552U CN 206329319 U CN206329319 U CN 206329319U
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- dust removal
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- gas drilling
- out fluid
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- 239000012530 fluid Substances 0.000 title claims abstract description 45
- 238000005553 drilling Methods 0.000 title claims abstract description 43
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 95
- 238000012544 monitoring process Methods 0.000 claims abstract description 63
- 239000000428 dust Substances 0.000 claims abstract description 38
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 210000002445 nipple Anatomy 0.000 claims abstract description 21
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000007689 inspection Methods 0.000 claims description 22
- 239000013049 sediment Substances 0.000 claims description 19
- HDDSHPAODJUKPD-UHFFFAOYSA-N fenbendazole Chemical compound C1=C2NC(NC(=O)OC)=NC2=CC=C1SC1=CC=CC=C1 HDDSHPAODJUKPD-UHFFFAOYSA-N 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 10
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 2
- 229910002090 carbon oxide Inorganic materials 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005267 amalgamation Methods 0.000 abstract 1
- 239000003345 natural gas Substances 0.000 abstract 1
- 239000003209 petroleum derivative Substances 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 19
- 231100000331 toxic Toxicity 0.000 description 9
- 230000002588 toxic effect Effects 0.000 description 9
- 229910001873 dinitrogen Inorganic materials 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000002153 concerted effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a fluid return monitoring device of a gas drilling safety guarantee system, which relates to the fields of petroleum and natural gas drilling technologies and safety guarantees, and comprises a sampling nipple I, a dry dust removal box, a wet dust removal box and a fluid return monitor; the first sampling nipple is arranged on a sand discharge pipeline, the inlets of the dry dust removal box and the wet dust removal box are connected with the first sampling nipple in parallel through hoses, and the outlets of the dry dust removal box and the wet dust removal box are connected with a return fluid monitor through hoses. Adopt the utility model discloses, can gather the gas drilling and return out fluidic correlation data to transmit and give centralized monitoring room and show, be applied to gas drilling safety guarantee system, can form the amalgamation of all-round guarantee gas drilling safety.
Description
Technical field
The utility model is related to oil, gas drilling technology and field of security guarantee, specifically relates to a kind of gas
Drilling safety safeguards system returns out fluid monitoring device.
Background technology
Gas drilling be solve low pressure, low hole, low permeability reservoirs hardly possible find, the effective means of difficult mining problem, can be with
100% ground finds oil bearing reservoir, obtains the initial production capacity of reservoir；Reservoir zero is injured, effective reservoir protec-tion, improve well yield
And recovery ratio；Avoid drilling well leakage from occurring, greatly improve bit speed, save cost of exploration ＆ development.In recent years in Sichuan, tower
Wood, Jilin, Kelamayi, tell the oil gas fields such as Kazakhstan and obtained large-scale application, well yield increase by more than 80%, while promoting one
Criticize construction and obtain breakthrough exploration results.But the object for being due to nitrogen injection drilling is often the indefinite reservoir of geology, well control
Risk is high, and reliability and emergency capability to ground installation and technology have higher requirements.If none of comprehensive
Safe-guard system monitors drilling well and gas sample parameter in real time, grasps ground and underground state, for engineer provide decision-making judge according to
According to, and the probability that people makes a mistake in emergency disposal is reduced by the automation emergency function and essential safety ability of equipment,
So nitrogen injection drilling still has misgivings in well control risk, it is impossible to play its huge advantage for finding and protecting reservoir.
Harry's Bowden company of the U.S. starts to develop underbalance data collecting system for 1999, and the data of collection include reservoir pressure
Power, flow, gas component, drilling machinery parameter etc..Wellsite gases detection Co., Ltd digital data recording system can be continuous
Some months is recorded and display well site information, and its software is in a leading position level in field of gas detection.Domestic many research institutions and
Specialized company also have developed multiple gases situ of drilling well safety monitoring system, and apply for patent.For example, Publication No.
104675382A, publication date discloses a kind of gas drilling landwaste for the Chinese patent literature on June 3rd, 2015 and returns out monitoring system
System and monitoring method, it includes solid flowmeter and winch transmitter returns out landwaste amount and the corresponding rock of winch angular displacement to measure
Discharge capacity is considered to be worth doing to obtain more accurately returning out landwaste state.The systemic-function is single, and the safety to gas drilling does not constitute essence
Property protection.Publication No. 204200209U, publication date discloses a kind of gas for the Chinese patent literature on March 11st, 2015 and bored
Well pre-warning system for monitoring, it includes engineering parameter monitoring unit, monitoring server and alarm unit, and wherein engineering parameter is supervised
Survey includes injection gas pressure, flow, returns out gas pressure, component, returns out landwaste amount and formation water output, moment of torsion and is supervised when boring
The functions such as survey, can more early find stratum production regimen condition and gas drilling downhole safety is commented with reference to Other Engineering parameter
Estimate.The system lays particular emphasis on the anticipation to gas drilling down hole problem, lacks to the Centralized Monitoring of ground equipment state and right
The shut-off control of well head, sediment outflow pipeline and gas injection equipment in case of emergency.Publication No. 202031579U, publication date is 2015
The Chinese patent literature on March 11, in discloses a kind of field detection system for gas drilling, and it includes data collection processor, nothing
Line transmitter, wireless receiver and host computer, wireless launcher are communicated by data radio station wireless network with wireless receiver.Should
System only carries out data acquisition to air compressor machine, supercharger, and object does not include nitrogen making machine, while unitary function, not to entering well, going out
The function that well gas and underground state are monitored.Publication No. 202914075U, publication date is in 1 day May in 2013
State's patent document discloses a kind of gas drilling information integration monitoring system, and it includes harvester, integrated acquirer, data processing
And memory, integration release device, technical grade wireless router and distal end monitoring computer, monitoring result has been concentrated on into a work
Make on interface, improve operating efficiency.Gathering content includes the data such as compound logging, sampling, safety monitoring and equipment, same to lack
It is weary that the shut-off of well head, sediment outflow pipeline and gas injection equipment in case of emergency is controlled.Publication No. 202914075U, publication date is
The Chinese patent literature on May 1st, 2013 discloses a kind of air drilling gas controlling device, it include sulfur dioxide, hydrogen,
Carbon monoxide, oxygen, methane and concentration of hydrogen sulfide monitoring, are mainly used in well gas and underground status monitoring, lack into gas well gas
Body and equipment condition monitoring, more without shut-off control in emergency circumstances, are difficult to give full play to safety guarantee in gas drilling
Effect.
Equipment or systemic-function are not perfect disclosed in above-mentioned patent, and monitoring object is more unilateral, do not solve practice process
Present in nitrogen gas purity monitoring after mixing supercharging is inaccurate, probe tube is easily blocked, well head toxic and harmful gas lacks after water outlet
The problems such as actively monitoring and in case of emergency equipment, well head and sediment outflow pipeline lack automatic cut-off function.Ununified end
Hold to gather scattered Monitoring Data and facilitate engineer's integrated decision-making and judgement, the level of informatization is not high.Only possesses prison
Brake, neither one harbor can carry out remote control to equipment, well head and sediment outflow pipeline, and self-protection means are lacked,
Limited to the supportability of gas drilling safety, this largely weakens the essential safety performance of gas drilling.
The content of the invention
The defect and deficiency that the utility model is intended to present in above-mentioned prior art are safe there is provided a kind of gas drilling
Safeguards system returns out fluid monitoring device, using the utility model, can gather the related data that gas drilling returns out fluid, and
Pass to Centralized Monitoring room and show, applied in gas drilling safe-guard system, comprehensive guarantee gas drilling can be formed
Safe makes a concerted effort.
The utility model is realized by using following technical proposals：
A kind of gas drilling safe-guard system returns out fluid monitoring device, it is characterised in that：Described returns out fluid
Monitoring device includes sampling pipe nipple one, dry dust removal case, wet dust removal case and returns out fluid inspection instrument；Sampling pipe nipple one is arranged on
On sediment outflow pipeline, dry dust removal case and the import of wet dust removal case are connected in parallel by flexible pipe with sampling pipe nipple one, dry dust removal case
It is connected with the outlet of wet dust removal case by flexible pipe with returning out fluid inspection instrument.
Return out the centre that the data that fluid inspection instrument measures pass through radio transmitting device and pressure protected against explosion Centralized Monitoring room
Device connection is managed, central processing unit will be included on screen after the data modem received by host computer.
Stop valve is separately installed with dry dust removal case with wet dust removal case import with different according to gas type selection
Dedusting method.
Returning out the measurement parameter of fluid inspection instrument includes low-concentration methane content, high concentration methane content, gas temperature, gas
Body humidity, carbon dioxide content, oxygen content, hydrogen sulfide content and carbon monoxide content.
Described returns out fluid monitoring device on sediment outflow pipeline, and one is connected with positive-pressure explosion-proof formula Centralized Monitoring room
Bar radio communication line d, returns out fluid inspection data and is transferred to positive-pressure explosion-proof formula Centralized Monitoring room by radio communication line d.
Compared with prior art, what the utility model was reached has the beneficial effect that：
1st, using the utility model, gas drilling can be gathered and return out the related data of fluid, and pass to Centralized Monitoring room
And show, it is novel, simple in construction, it is easy to popularity application.
2nd, by the utility model application safe-guard system, polynary, scattered Monitoring Data is concentrated on into unified work
Make on interface, convenient observation and record, while having equipment, well head remote control function, form comprehensive guarantee gas and bore
Well is safe to make a concerted effort.
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 connection signal sketch that the utility model is applied to gas drilling safe-guard system；
Fig. 2 be Fig. 1 in connect detail drawing.
Marked in figure：
1- aspiration pumps；2- well head toxic and harmful gas monitoring alarms；3- data radio stations radio network device one；4- is supervised
Survey instrument；5- rotating blowout preventers；6- annular preventers；7- sediment outflow pipeline liquid-operated flat valves；8- sediment outflow pipelines liquid-operated flat valve is controlled
Pipeline；9- driller stations；10- relief lines liquid-operated flat valve controls pipeline；11- annular preventers control pipeline；12- closing wells are controlled
Case；13- audible-visual annunciators；14- well heads are met an urgent need remote control button；15- enters well gas remote control button；16- Centralized Monitorings
Room；17- central processing units；18- host computers；19- video surveillance instrument；20- drilling parameter display terminals；21- data radio stations are wireless
Network equipment two；22- returns out fluid monitoring device；23- dry dust removal casees；24- equipment remote control buttons；25- enters well gas
Remote control pipeline；26- equipment condition monitoring display terminals；27- enters well well head gas and returns out fluid inspection display terminal；
28- video surveillance display terminals；29- data radio stations radio network device three；30- returns out fluid inspection instrument；31- wet dust removals
Case；32- setting pots；33- samples pipe nipple one；34- nitrogen gas purity monitors；35- second depressurized valves；36- one-level pressure relief valves；37-
Differential intelligent flow meter；38- sediment outflow pipelines；39- enters well gas monitoring and control device；40- samples pipe nipple；41- gauge orifices
Plate；42- throttling pipe nipples；43- gas supply lines；44- enters well gas control valve group；45- device controllers；46- superchargers；47- films
Nitrogen making machine；48- air compressor machines；49- status information of equipment Acquisition Processors；50- data radio stations radio network device four；51- equipment
Status monitoring and control device；52- relief line liquid-operated flat valves；53- radio communication lines a；54- radio communication lines b；
55- radio communication lines c；56- radio communication lines d；57- radio communication lines e；58- radio communication lines f.
Embodiment
Embodiment 1
As a better embodiment of the present utility model, it includes sampling pipe nipple 1, dry dust removal case 23, wet type and removed
Dirt case 31 and return out fluid inspection instrument 30；Sample pipe nipple 1 to be arranged on sediment outflow pipeline 38, dry dust removal case 23 and wet type are removed
The import of dirt case 31 is connected in parallel by flexible pipe with sampling pipe nipple 1, and dry dust removal case 23 and wet dust removal case 31 are exported by soft
Manage and return out fluid inspection instrument 30 and connect；Be separately installed with dry dust removal case 23 and the import of wet dust removal case 31 stop valve with
Different dedusting methods are selected according to gas type；Return out fluid inspection instrument 30 measurement parameter include low-concentration methane content,
High concentration methane content, gas temperature, gas humidity, carbon dioxide content, oxygen content, hydrogen sulfide content and carbon monoxide contain
Amount；Return out the radio transmitting device 29 that the data that fluid inspection instrument 30 measures are carried by instrument and pass to Centralized Monitoring room 16,
Centralized Monitoring room central processing unit 17 will be included on screen after the data modem received by host computer 18.
Embodiment 2
The utility model is applied in gas drilling safe-guard system, it is mainly made up of six big devices, is respectively
Centralized Monitoring room 16, equipment condition monitoring and control device 51, enter well gas monitoring with control device 39, return out fluid inspection dress
Put 22, well head toxic and harmful gas monitoring alarm 2 and the fast automatic control device of well head.
Wherein, Centralized Monitoring room 16 includes equipment condition monitoring display terminal 26 and its remote control button 24, enters gas well gas
Body monitors display terminal 27 and its remote control button 15, returns out fluid inspection display terminal 27, well head toxic and harmful gas prison
Display terminal 27, video surveillance instrument 19 and its emergent remote control of display terminal 28, drilling parameter display terminal 20, well head is surveyed to press
Button 14, central processing unit 17, host computer 18, audible-visual annunciator 13 and data radio station radio network device 2 21；Enter well gas, return
Go out fluid and well head toxic and harmful gas monitoring parameter sets are shown on same screen 27；Equipment and enter well gas control valve group
State set is shown on same screen 26；Drilling parameter display terminal 20 realizes data with comprehensive logging instrument using wired connection
It is shared；Equipment condition monitoring, enter well gas monitoring, return out fluid inspection and well head toxic and harmful gas monitoring display terminal 26,
Data radio station wireless network transmissions are used between 27 and corresponding outdoor instrument；Equipment remote control button 24 by data radio station without
Gauze network is connected to realize to the remote of equipment with the device controller 45 on air compressor machine 48, nitrogen making machine 47 and supercharger 46
Process control；Enter well gas remote control button 15 and control to entering well gas control valve group 44 is realized by wire cable 25；Well
The emergent remote control button 14 of mouth is realized to well head 52, sediment outflow pipeline lock by data radio station wireless network and closing well control cabinet 12
The control of valve 7 and preventer 5；Audible-visual annunciator 13 according to pressure in well head toxic and harmful gas monitoring result and sediment outflow pipeline and
Concentration of hydrogen sulfide monitoring result automated tos respond to send alarm signal.
Equipment condition monitoring and control device 51 include being installed on air compressor machine 48, nitrogen making machine 47, the equipment on supercharger 46
Status information capture processor 49, device controller 45 and data radio station radio network device 4 50；Information acquisition processor 49
The device parameter of collection includes engine loading, rotating speed, oil pressure, oil temperature, admission pressure, pressure at expulsion, fuel liquid level and compression
Engine oil pressure；Information acquisition processor 49, device controller 45 and the equal integrated installation of radio transmitting device 50 control system in equipment
In system；Information acquisition processor 49 is connected by serial port data line with radio transmitting device 50, then by data radio station network with
One-way communication is realized in Centralized Monitoring room 16, Centralized Monitoring room central processing unit 17 by after the data modem received by upper
Machine 18 is shown on screen 26；The trigger signal of equipment state remote control button 24 passes to each equipment by Centralized Monitoring room 16
The radio transmitting device 50 carried, radio transmitting device 50 is held device controller 45 is passed to after the modulating and demodulating signal received
Row equipment start-stop is operated.
Enter well gas monitoring includes into well gas control valve group 44, nitrogen gas purity monitor 34 and pressure difference with control device 39
Formula intelligent flow meter 37；Enter well gas control valve group 44, nitrogen gas purity monitor 34 and differential intelligent flow meter 37 by downstream
Direction installed in series in order is on gas supply line 43；The gas parameter that nitrogen gas purity monitor 34 is measured includes nitrogen gas purity；Pressure
The gas parameter that differential intelligent flow meter 37 is measured includes gas temperature, humidity, pressure and gas flow；Nitrogen gas purity monitor
34 and the radio transmitting device that is carried by instrument of the data that measure of differential intelligent flow meter 37 pass to Centralized Monitoring room 16,
Centralized Monitoring room central processing unit 17 will be included on screen after the data modem received by host computer 18；Enter well gas
Control valve group 44 is controlled by the remote control button 15 in Centralized Monitoring room 16 by wire cable 25, and valve opening data are simultaneously
Centralized Monitoring room 16 is fed back to by its radio transmitting device carried, Centralized Monitoring room central processing unit 17 is by the data received
Shown on a screen 27 by host computer 18 after modulation /demodulation；
Nitrogen gas purity monitor 34 is made up of sampling pipe nipple 40, one-level pressure relief valve 36, second depressurized valve 35 and monitor 34；
Gas sampled pressure is reduced to below 2.0MPa by one-level pressure relief valve 36, and gas sampled pressure is reduced to by second depressurized valve 35
Near 0.1MPa.
Intelligent pressure/differential flowmeter 37 is made up of throttling pipe nipple 42, standard orifice plate 41 and flowmeter 37；Standard orifice plate 41 is installed
In throttling pipe nipple 42, its flow measurement precision 0.1m3/min, measurement range is more than 450m3/min, and meeting gas drilling will
Ask.
Returning out fluid monitoring device 22 includes sampling pipe nipple 1, dry dust removal case 23, wet dust removal case 31 and returns out stream
Body monitor 30；Sample pipe nipple 1 to be arranged on sediment outflow pipeline 38, dry dust removal case 23 and the import of wet dust removal case 31 pass through
Flexible pipe is connected in parallel with sampling pipe nipple 1, and dry dust removal case 23 and the outlet of wet dust removal case 31 are supervised by flexible pipe with returning out fluid
Instrument 30 is surveyed to connect；It is separately installed with stop valve to be selected according to gas type at dry dust removal case 23 and the import of wet dust removal case 31
Select different dedusting methods；Return out fluid inspection instrument 30 measurement parameter include low-concentration methane content, high concentration methane content,
Gas temperature, gas humidity, carbon dioxide content, oxygen content, hydrogen sulfide content and carbon monoxide content；Return out fluid inspection
The radio transmitting device 29 that the data that instrument 30 is measured are carried by instrument passes to Centralized Monitoring room 16, Centralized Monitoring room centre
Managing device 17 will be included on screen after the data modem received by host computer 18.
Well head toxic and harmful gas monitoring alarm 2 includes aspiration pump 1, monitor 4 and radio transmitting device 3；Pumping
Pump 1 is installed on the upper surface of rotating blowout preventer 5, extracts the gas leaked from the seal of rotating blowout preventer 5；Monitor 4 is arranged on
On rotating blowout preventer 5, the data measured are wirelessly transferred dress by what instrument was carried to be detected to the gas sample that aspiration pump 1 is obtained
Put 3 and pass to Centralized Monitoring room 16, the central processing unit 17 of Centralized Monitoring room 16 by after the data modem received by upper
Machine 18 is shown on a screen 27.The parameter that monitor 4 is measured includes low-concentration methane content, high concentration methane content and hydrogen sulfide
Content；Audible-visual annunciator 13 is excited to send alarm signal when well head toxic and harmful gas concentration reaches the alarming value of setting.
The fast automatic control device of well head includes closing well control cabinet 12, driller station 9 and its control pipeline 10,11, sediment outflow pipe
Line liquid-operated flat valve 7 and its control pipeline 8.Driller station 9 is arranged in driller station, can be simultaneously closed off by controlling pipeline 10,11
Annular preventer 6 and opening liquid-operated flat valve 52；Closing well control cabinet 12 is arranged on driller station 9, according to the signal received certainly
Dynamic control driller station 9 is acted；Closing well control cabinet 12 utilizes wireless communication with Centralized Monitoring room 16, and excitation signal is supervised to concentrate
Well head in control room 16, which is met an urgent need, the trigger signal of remote control button 14 and to be returned out the sediment outflow pipeline 38 that fluid inspection instrument 30 measures and presses
Power and concentration of hydrogen sulfide；When pressure in sediment outflow pipeline 38 or concentration of hydrogen sulfide more than setting value can excite audible-visual annunciator 13 to send
Alarm signal, order closing well control cabinet 12 and driller station 9 close annular preventer 6, open relief line liquid-operated flat valve automatically
52, sediment outflow pipeline liquid-operated flat valve 7 can also be simultaneously closed off according to setting；Closing well control cabinet 12 performs automatic closing well operating and setting
The pressure value of sediment outflow pipeline 38 has 0.1MPa, 0.2MPa, 0.3MPa, the concentration of hydrogen sulfide value of setting have 10ppm, 20ppm, 30ppm,
40ppm。
Claims (5)
1. a kind of gas drilling safe-guard system returns out fluid monitoring device, it is characterised in that：Described returns out fluid prison
Surveying device includes sampling pipe nipple one, dry dust removal case, wet dust removal case and returns out fluid inspection instrument；Sample pipe nipple one and be arranged on row
On sandpipe line, dry dust removal case and the import of wet dust removal case are connected in parallel by flexible pipe with sampling pipe nipple one, dry dust removal case and
The outlet of wet dust removal case is connected by flexible pipe with returning out fluid inspection instrument.
2. gas drilling safe-guard system according to claim 1 returns out fluid monitoring device, it is characterised in that：Return
Go out the data that fluid inspection instrument measures to be connected with the central processing unit in pressure protected against explosion Centralized Monitoring room by radio transmitting device, in
Central processor will be included on screen after the data modem received by host computer.
3. gas drilling safe-guard system according to claim 1 returns out fluid monitoring device, it is characterised in that：
Stop valve is separately installed with dry dust removal case and wet dust removal case import.
4. gas drilling safe-guard system according to claim 1 returns out fluid monitoring device, it is characterised in that：Return
Going out the measurement parameter of fluid inspection instrument includes low-concentration methane content, high concentration methane content, gas temperature, gas humidity, two
Content of carbon oxide, oxygen content, hydrogen sulfide content and carbon monoxide content.
5. gas drilling safe-guard system according to claim 1 returns out fluid monitoring device, it is characterised in that：Institute
That states returns out fluid monitoring device on sediment outflow pipeline, and a wireless telecommunications are connected with positive-pressure explosion-proof formula Centralized Monitoring room
Circuit d, returns out fluid inspection data and is transferred to positive-pressure explosion-proof formula Centralized Monitoring room by radio communication line d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358552.0U CN206329319U (en) | 2016-12-12 | 2016-12-12 | Return fluid monitoring device of gas drilling safety guarantee system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358552.0U CN206329319U (en) | 2016-12-12 | 2016-12-12 | Return fluid monitoring device of gas drilling safety guarantee system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206329319U true CN206329319U (en) | 2017-07-14 |
Family
ID=59291008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621358552.0U Active CN206329319U (en) | 2016-12-12 | 2016-12-12 | Return fluid monitoring device of gas drilling safety guarantee system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206329319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538154A (en) * | 2018-12-19 | 2019-03-29 | 中国石油集团川庆钻探工程有限公司 | Well control equipment for nitrogen drilling of high-pressure reservoir |
| CN109577902A (en) * | 2018-12-19 | 2019-04-05 | 中国石油集团川庆钻探工程有限公司 | Well control method for nitrogen drilling of high-pressure reservoir |
-
2016
- 2016-12-12 CN CN201621358552.0U patent/CN206329319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538154A (en) * | 2018-12-19 | 2019-03-29 | 中国石油集团川庆钻探工程有限公司 | Well control equipment for nitrogen drilling of high-pressure reservoir |
| CN109577902A (en) * | 2018-12-19 | 2019-04-05 | 中国石油集团川庆钻探工程有限公司 | Well control method for nitrogen drilling of high-pressure reservoir |
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Effective date of registration: 20200911 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: Chenghua District Green Road 610051 Chengdu City, Sichuan province 1 No. 3 Chuanqing drilling Department of Science & Technology Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |