CN107128994A - A kind of monitoring system of oil field flood pattern Chinese medicine addition - Google Patents
A kind of monitoring system of oil field flood pattern Chinese medicine addition Download PDFInfo
- Publication number
- CN107128994A CN107128994A CN201710550091.XA CN201710550091A CN107128994A CN 107128994 A CN107128994 A CN 107128994A CN 201710550091 A CN201710550091 A CN 201710550091A CN 107128994 A CN107128994 A CN 107128994A
- Authority
- CN
- China
- Prior art keywords
- water
- medicament
- sensor
- nitrite
- nitrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/15—N03-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/26—H2S
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
Abstract
The present invention relates to the monitoring system of oil field flood pattern Chinese medicine addition, monitoring system includes sensor and controller, sensors A is arranged on the sulfide content dissolved in the water inlet in production water lines, monitoring production water lines in water, hydrogen sulfide content and production water-carrying capacity in pipeline in air；Sensor B is arranged on oxygen content and water flow in the water inlet in water supply well water lines, monitoring water source well water；The sulfide and oxygen content dissolved in the pipeline that sensor C is arranged in the water outlet of No. 1 water filling surge tank, monitoring water outlet water in water；Monitoring signals are transferred in controller by sensors A, sensor B and sensor C, feedback signal is respectively transmitted in the metering device in nitrate medicament filling line and nitrite medicament filling line by controller by calculating, the addition of nitrate medicament and nitrite medicament is constantly adjusted and monitored with this, effective regulation chemical feeding quantity concentration, significantly reduces the dosing cost in oil field.
Description
Technical field
The invention belongs to oil field flood pattern field, and in particular to a kind of oil field flood pattern Chinese medicine addition monitoring system
System.
Background technology
It is well known that the growth of the recovery time with oil field, the continuous deterioration of injection water quality, the SRB in water filling is continuous
Increase, H2S and dissolved oxygen equal size increase, and cause pipe string of oil field downhole and the corrosion of petroleum pipeline and scale problems increasingly
Seriously, the loss caused also makes us startling.The investigation of China's the second elephant Shengli Oil Field is shown according in September, 2003,
Because the directly or indirectly economic loss that corrosion and scale problems are caused is up to 1,300,000,000 yuan in short three months.
And water injection rate is up to thousands of all places every year on average for one, oil field operation area.And in water filling high content H2S and contain
Oxygen amount pair and every year be used for flood pattern on H2S is administered and deoxygenation medicament aspect spends substantial contribution.Nitrate adds note
The structure of the sulfide of dissolving can be suppressed in water by the effect of anaerobic bacteria；And sodium sulfite is industrial wastewater and oil field
Excellent oxygen scavenger in water, result is the injection of sulphite, causes the life that product sulfate ion is SRB in water filling after oxidation
It is long to provide more nutrient sources, it is H2S generation provides more conditions.
Therefore, the H in flood pattern how is effectively removed2S and oxygen, and it is to need solution at present effectively to solve production cost
Technical problem certainly.
The content of the invention
The purpose of the present invention is that there is provided a kind of monitoring of oil field flood pattern Chinese medicine addition in view of the shortcomings of the prior art
The medicament added in system, oil field flood pattern of the present invention is NO3-N and NO2-N medicament, and nitrite medicament is effective
Product after note content of oxygen dissolved in water oxidation is removed to can act also as Hydrogen Sulfide Inhibitor and use, it is sufficiently effective to solve above-mentioned ask
Topic, considerably reduces the etching problem caused by the reasons such as SRB, H2S；The addition monitoring system of the present invention, can be effective
Chemical feeding quantity concentration is adjusted, the dosing cost in oil field is significantly reduced.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of monitoring system of oil field flood pattern Chinese medicine addition, the monitoring system includes sensor and controller, institute
Stating sensor includes sensors A, sensor B and sensor C；
The oil field flood pattern includes production water lines, water supply well water lines, nitrate medicament filling line, nitrite
Pipeline water after medicament filling line, production water and water source well water converge is injected in No. 1 water filling surge tank；The nitrate medicament
The upstream end of filling line access production water lines, nitrite medicament filling line accesses the upstream end of water supply well water lines；
The sensors A is arranged on the water inlet in production water lines, for monitoring the sulphur dissolved in production water lines in water
Hydrogen sulfide content and production water-carrying capacity in compound content, pipeline in air；
The sensor B is arranged on the water inlet in water supply well water lines, for monitoring oxygen content and water in water source well water
Flow flow；
The sensor C is arranged on the water outlet of No. 1 water filling surge tank, for monitoring the sulfide dissolved in water outlet water
Content, oxygen content and water flow；
Monitoring signals are transferred in controller by the sensors A, sensor B and sensor C, and controller, will be anti-by calculating
Feedback signal A is transferred in nitrate medicament filling line in metering device A, and feedback signal B is transferred into nitrite medicament note
Enter in the metering device B in pipeline, constantly adjust and monitor the addition of nitrate medicament and nitrite medicament with this.
Nitrate medicament, nitrite medicament are to be fluidly connected to delivery pipe or manifold by metering valve and/or pump, often
One metering valve pump receives the individual control signal from controller, to determine the nitrate compound or nitrous that add current
The concentration of phosphate compounds.The chemical feeding quantity of the independent control nitrate compound of the present invention or nitrite compound is to adapt to give birth to
Production demand, such as production water is more, when water source well water demand is few or stops note, and being separately injected into production water also can individually be controlled
System, it is unaffected.
It is used as preferred technical scheme：
It is preferred that, the distance that the upstream end of production water lines refers to produce away from production water lines water inlet in water lines is production water
Point at the 1/5-1/3 of pipeline overall length；
The upstream end of water supply well water lines refers to that the distance away from water supply well water lines water inlet in water supply well water lines is water supply well
Point at the 1/5-1/3 of water lines overall length.
It is preferred that, residence time of the pipeline water in No. 1 water filling surge tank after production water and water source well water converge is 25-
35 minutes.The purpose of stop of the pipeline water in No. 1 water filling surge tank after production water and water source well water converge is to realize
The abundant reaction of medicament and each material in water, it is ensured that the accuracy of monitoring result.
Nitrate medicament is connected with production water flowing, and nitrite medicament is connected with the flowing of water supply well water.Medicament is using upper
Addition manner is stated, continuously can quickly change the additive amount of medicament in flood pattern, monitoring is effectively ensured and adjustment medicament is added
The accuracy of dose-effect fruit.
It is preferred that, the sensor is combined sensor（Combination sensor is combination sensing commonly used in the prior art
Device）；The metering device A or metering device B are optionally one in metering valve or measuring pump.
It is preferred that, the nitrate medicament is sodium nitrate；
The nitrite medicament is natrium nitrosum.
It is preferred that, the hydrogen sulfide content in the production water lines of sensors A detection in air is water in a mol/L, pipeline
The sulfide content of middle dissolving is c mol/L；Oxygen content in sensor B monitoring water source well water is b mol/L, then controller exists
When calculating medicament initial incremental amount the calculating function that uses for：Nitrate medicament initial incremental amount A=(aQ2+cQ1)/Q3；Nitrous
Hydrochlorate medicament initial incremental amount B=2bQ4/Q5；Wherein, Q1For production water-carrying capacity；Q2For production water air mass flow；Q3For nitrate medicine
The flow of agent filling line；Q4For water supply well water-carrying capacity；Q5For the flow of nitrite medicament filling line.
It is preferred that, sensor C is used to monitor the sulfide content d mol/L and oxygen content e dissolved in water outlet water
mol/L；The calculating function used during the controller adjustment follow-up addition of medicament for：The follow-up addition C=A+ of nitrate medicament
dQ6/Q3-2eQ6/Q5；The follow-up addition D=B+2eQ of nitrite medicament6/Q5；Q6For the water-carrying capacity of water outlet.
It is preferred that, the sensor C can also monitor the nitrite concentration in the water outlet water of No. 1 water filling surge tank
And nitrate concentration.
It is preferred that, it is f mol/L and nitrite that sensor C, which is used to monitor the nitrate concentration dissolved in water outlet water,
Concentration is g mol/L；The calculating function then used during the controller adjustment follow-up addition of medicament for：Nitrate medicament is subsequently added
Measure C=A+ dQ6/Q3-2eQ6/Q5- f Q6/Q3-gQ6/Q5；The follow-up addition D=B+2eQ of nitrite medicament6/Q5-gQ6/Q5。
It is preferred that, the sensor C can also monitor pH value and temperature in the water outlet water of No. 1 water filling surge tank.
Set up pH value sensor and temperature sensor may insure the testing result monitoring injectivity index of water quality, adjust this dosing block it
Preceding production procedure.
Present invention also offers oil field flood pattern Chinese medicine addition the corresponding monitoring method of monitoring system, it is special
Levy and be, comprise the following steps：
（1）Hydrogen sulfide content in the sulfide content that is dissolved in monitoring production water lines in water at import, pipeline in air and
Produce the nitrate content and production water flow velocity of water-carrying capacity；
（2）Monitor oxygen content and water flow in water at water supply well water inlet；
（3）Sulfide content, oxygen content and the water flow dissolved in the water outlet saliva for monitoring No. 1 water filling surge tank；
Controller is according to step（1）, according to step（2）With according to step（3）In monitoring signals calculate and assess desulfurization and deoxygenation
Feedback signal A, is then transferred in the metering device A of nitrate medicament injection, feedback signal B is transferred into nitrous acid by effect
In the metering device B of salt medicament, the addition of nitrate medicament and nitrite medicament is constantly adjusted and monitored with this.
The present invention vulcanizes hydrogen methods according to microbial treatment, and hydrogen sulfide content is controlled by adding nitrate；Chemicals dosing plant
The adjustment of medicament addition is carried out by the Sensor monitoring result before and after chemical feeding points.
Beneficial effect：
The present invention both may be used by adding nitrite using cooperatively as oxygen scavenger and nitrate desulfurizing agent in flood pattern
The injection rate of nitrate can be reduced again to improve oxygen content in water quality；Oil-field flooding water quality is generally partial neutral or weak base simultaneously
Property, it will not be influenceed by medicament and cause changing for pH value.
Nitrate medicament, the nitrite medicament of the present invention is to be fluidly connected to delivery pipe by metering valve and/or pump
Or manifold, each metering valve pump receives the individual control signal from controller, to determine the nitrate chemical combination for adding current
The concentration of thing or nitrite compound.Therefore, chemical feeding quantity monitoring system of the invention can effectively adjust chemical feeding quantity concentration, pole
The earth reduces the dosing cost in oil field.
The monitoring system and method for the present invention, can effectively adjust chemical feeding quantity concentration, significantly reduce the dosing in oil field
Cost.
Brief description of the drawings
Fig. 1 is the schematic diagram of the monitoring system of the oil field flood pattern Chinese medicine addition of the present invention；
Wherein, 1- productions water lines, 2- water supply well water lines, 3- sensors As, 4- sensors B, 5- sensor C, 6- controller,
7- nitrate medicament filling lines, 8- nitrite medicament filling lines, 9-1 water filling surge tanks, 10-2 water filling surge tanks,
11- water filling elevator pumps, 12- water injection wells, 13- metering devices B, 14- metering device A.
Embodiment
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
Bright rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, art technology
Personnel can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Fixed scope.
Embodiment 1
The monitoring system of the oil field flood pattern Chinese medicine addition of the present invention, including sensor and controller, sensor include
Sensors A 3, sensor B 4 and sensor C 5；Wherein sensors A 3, sensor B 4 and sensor C 5 are combined biography
Sensor.
Oil field flood pattern includes production water lines 1, water supply well water lines 2, nitrate medicament filling line 7, nitrous
Hydrochlorate medicament filling line 8, production water and water source well water converge after pipeline water inject No. 1 water filling surge tank 9 in, production water and
Residence time of the pipeline water in No. 1 water filling surge tank after water source well water converges is 25 minutes；Then No. 2 water filling bufferings are flowed to
In tank 10, it is injected into finally by water filling elevator pump 11 in water injection well 12；The access production water lines of nitrate medicament filling line 7
1 upstream end, the upstream end of the filling line of nitrite medicament 8 access water supply well water lines 2；Producing the upstream end of water lines is
Point at the 1/5 of water producing pipe road overall length of being made a living in finger production water lines away from the distance for producing water lines water inlet；Water supply well water pipe
The upstream end on road refers to that the distance away from water supply well water lines water inlet in water supply well water lines is the 1/3 of water supply well water lines overall length
The point at place.Nitrate medicament is connected with production water flowing, and nitrite medicament is connected with the flowing of water supply well water, and nitrate medicament is
Sodium nitrate；Nitrite medicament is natrium nitrosum.
Sensors A 3 is arranged on the water inlet in production water lines 1, for monitoring what is dissolved in production water lines in water
Hydrogen sulfide content and production water-carrying capacity in sulfide content, pipeline in air；Sensor B 4 is arranged on water supply well water lines 2
Interior water inlet, for monitoring oxygen content and water flow in water source well water；Sensors A 3, sensor B 4, which will be monitored, to be believed
Number it is transferred in controller 6, feedback signal A is transferred to measure in nitrate medicament filling line and filled by controller 6 by calculating
Put in A 14, feedback signal B is transferred in the metering device B 13 in nitrite medicament filling line, constantly adjusted with this
With the addition of monitoring nitrate medicament and nitrite medicament, metering device A or metering device B are metering valve.
Hydrogen sulfide content a in the production water lines of sensors A detection in air is molten in water in 0.1 mol/L, pipeline
The sulfide content of solution is c0.9 mol/L；Oxygen content b in sensor B monitoring water source well water is 0.6 mol/L, then controller
When calculating medicament initial incremental amount the calculating function that uses for：Nitrate medicament initial incremental amount A=(aQ2+cQ1)/Q3；It is sub-
Nitrate medicament initial incremental amount B=2bQ4/Q5；Wherein, Q1、Q2、Q3、Q4And Q5It is 1m/s, then nitrate medicament is initially added
Concentration A is 1 mol/L, and nitrite medicament is initially added concentration B for 1.2 mol/L.
Embodiment 2
The monitoring system of the oil field flood pattern Chinese medicine addition of the present invention, including sensor and controller, sensor include
Sensors A 3, sensor B 4 and sensor C 5；Wherein sensors A 3, sensor B 4 and sensor C 5 are combined biography
Sensor.
Oil field flood pattern includes production water lines 1, water supply well water lines 2, nitrate medicament filling line 7, nitrous
Hydrochlorate medicament filling line 8, production water and water source well water converge after pipeline water inject No. 1 water filling surge tank 9 in, production water and
Residence time of the pipeline water in No. 1 water filling surge tank after water source well water converges is 25 minutes；Then No. 2 water filling bufferings are flowed to
In tank 10, it is injected into finally by water filling elevator pump 11 in water injection well 12；The access production water lines of nitrate medicament filling line 7
1 upstream end, the upstream end of the filling line of nitrite medicament 8 access water supply well water lines 2；Producing the upstream end of water lines is
Point at the 1/5 of water producing pipe road overall length of being made a living in finger production water lines away from the distance for producing water lines water inlet；Water supply well water pipe
The upstream end on road refers to that the distance away from water supply well water lines water inlet in water supply well water lines is the 1/3 of water supply well water lines overall length
The point at place.Nitrate medicament is connected with production water flowing, and nitrite medicament is connected with the flowing of water supply well water, and nitrate medicament is
Sodium nitrate；Nitrite medicament is natrium nitrosum.
Sensors A 3 is arranged on the water inlet in production water lines 1, for monitoring what is dissolved in production water lines in water
Hydrogen sulfide content and production water-carrying capacity in sulfide content, pipeline in air；Sensor B 4 is arranged on water supply well water lines 2
Interior water inlet, for monitoring oxygen content and water flow in water source well water；Sensor C 5 is arranged on No. 1 water filling buffering
The water outlet of tank 9, for monitoring the sulfide content dissolved in water outlet water, oxygen content and water flow；Sensors A
3rd, monitoring signals are transferred in controller 6 by sensor B 4 and sensor C 5, and controller 6 is passed feedback signal A by calculating
In the defeated medicament filling line to nitrate in metering device A 14, feedback signal B is transferred to nitrite medicament filling line
In metering device B 13 in, with this constantly adjustment and monitoring nitrate medicament and nitrite medicament addition.Metering dress
Put A or metering device B optionally metering valves.
The sulfide content d that sensor C dissolves for monitoring in water outlet water is 0.2 mol/L and oxygen content e is 0.1
mol/L；The calculating function used during the controller adjustment follow-up addition of medicament for：The follow-up addition C=A+ of nitrate medicament
dQ6/Q3-2eQ6/Q5；The follow-up addition D=B+2eQ of nitrite medicament6/Q5；Q6For the water-carrying capacity of water outlet.If nitrate
Medicament initial incremental amount A is 1 mol/L, and nitrite medicament initial incremental amount B is 1.2 mol/L, wherein, Q3、Q5And Q6It is
1m/s, then the controller adjustment follow-up addition of medicament is that subsequently to add concentration C be 1 mol/L, nitrite medicine to nitrate medicament
Agent is initially added concentration D for 1.3 mol/L.
Embodiment 3
The monitoring system of the oil field flood pattern Chinese medicine addition of the present invention, including sensor and controller, sensor include
Sensors A 3, sensor B 4 and sensor C 5；Wherein sensors A 3, sensor B 4 and sensor C 5 are combined biography
Sensor
Oil field flood pattern includes production water lines 1, water supply well water lines 2, nitrate medicament filling line 7, nitrite
Pipeline water after medicament filling line 8, production water and water source well water converge is injected in No. 1 water filling surge tank 9, production water and water source
Residence time of the pipeline water in No. 1 water filling surge tank after well water converges is 25 minutes；Then No. 2 water filling surge tanks 10 are flowed to
In, it is injected into finally by water filling elevator pump 11 in water injection well 12；The access production water lines 1 of nitrate medicament filling line 7
Upstream end, the upstream end of the filling line of nitrite medicament 8 access water supply well water lines 2；The upstream end of production water lines refers to
Production water lines on away from production water lines water inlet distance make a living water producing pipe road overall length 1/3 at point；Water supply well water lines
Upstream end refer to distance away from water supply well water lines water inlet in water supply well water lines at the 1/4 of water supply well water lines overall length
Point.Nitrate medicament is connected with production water flowing, and nitrite medicament is connected with the flowing of water supply well water, and nitrate medicament is nitre
Sour sodium, nitrite medicament is natrium nitrosum.
Sensors A 3 is arranged on the water inlet in production water lines 1, for monitoring what is dissolved in production water lines in water
Hydrogen sulfide content and production water-carrying capacity in sulfide content, pipeline in air；Sensor B 4 is arranged on water supply well water lines 2
Interior water inlet, for monitoring oxygen content and water flow in water source well water；Sensor C 5 is arranged on No. 1 water filling buffering
The water outlet of tank 9, for monitoring the sulphur dissolved in the nitrate concentration in water outlet water, nitrite, water outlet water
Compound content, oxygen content and water flow；Monitoring signals are transferred to control by sensors A 3, sensor B 4 and sensor C 5
In device 6, feedback signal A is transferred in nitrate medicament filling line in metering device A 14 by controller 6 by calculating, will
Feedback signal B is transferred in the metering device B 13 in nitrite medicament filling line, with this constantly adjustment and monitoring nitric acid
The addition of salt medicament and nitrite medicament.Metering device A or metering device B is measuring pump.
The sulfide content d that sensor C dissolves for monitoring in water outlet water is 0 mol/L and oxygen content e is 0
mol/L；The nitrate concentration f dissolved in water outlet water is 0.3mol/L and nitrite concentration g is 0.1 mol/L；Then control
The calculating function used during the follow-up addition of device processed adjustment medicament for：The follow-up addition C=A+ dQ of nitrate medicament6/Q3-
2eQ6/Q5- f Q6/Q3-gQ6/Q5；The follow-up addition D=B+2eQ of nitrite medicament6/Q5-gQ6/Q5.If at the beginning of nitrate medicament
Beginning addition A is 1 mol/L, and nitrite medicament initial incremental amount B is 1.2 mol/L, wherein, Q3、Q5And Q6It is 1m/s,
Then the controller adjustment follow-up addition of medicament is that nitrate medicament is subsequently added at the beginning of concentration C is 0.4mol/L, nitrite medicament
It is 1.1 mol/L to begin to add concentration D.
Embodiment 4
The monitoring system of the oil field flood pattern Chinese medicine addition of the present invention is as shown in figure 1, including sensor and controller, pass
Sensor includes sensors A 3, sensor B 4 and sensor C 5；Wherein sensors A 3, sensor B 4 and sensor C 5 are
Combined sensor
Oil field flood pattern includes production water lines 1, water supply well water lines 2, nitrate medicament filling line 7, nitrite
Pipeline water after medicament filling line 8, production water and water source well water converge is injected in No. 1 water filling surge tank 9, production water and water source
Residence time of the pipeline water in No. 1 water filling surge tank after well water converges is 25 minutes；Then No. 2 water filling surge tanks 10 are flowed to
In, it is injected into finally by water filling elevator pump 11 in water injection well 12；The access production water lines 1 of nitrate medicament filling line 7
Upstream end, the upstream end of the filling line of nitrite medicament 8 access water supply well water lines 2；The upstream end of production water lines refers to
Production water lines on away from production water lines water inlet distance make a living water producing pipe road overall length 1/4 at point；Water supply well water lines
Upstream end refer to distance away from water supply well water lines water inlet in water supply well water lines at the 1/4 of water supply well water lines overall length
Point.Nitrate medicament is connected with production water flowing, and nitrite medicament is connected with the flowing of water supply well water, and nitrate medicament is nitre
Sour sodium, nitrite medicament is natrium nitrosum.
Sensors A 3 is arranged on the water inlet in production water lines 1, for monitoring what is dissolved in production water lines in water
Hydrogen sulfide content and production water-carrying capacity in sulfide content, pipeline in air；Sensor B 4 is arranged on water supply well water lines 2
Interior water inlet, for monitoring oxygen content and water flow in water source well water；Sensor C 5 is arranged on No. 1 water filling buffering
The water outlet of tank 9, for monitoring the sulphur dissolved in the nitrate concentration in water outlet water, nitrite, water outlet water
Compound content, oxygen content and water flow；Monitoring signals are transferred to control by sensors A 3, sensor B 4 and sensor C 5
In device 6, feedback signal A is transferred in nitrate medicament filling line in metering device A 14 by controller 6 by calculating, will
Feedback signal B is transferred in the metering device B 13 in nitrite medicament filling line, with this constantly adjustment and monitoring nitric acid
The addition of salt medicament and nitrite medicament.Metering device A or metering device B is measuring pump
The sulfide content d that sensor C dissolves for monitoring in water outlet water is 0 mol/L and oxygen content e is 0.1 mol/
L；The nitrate concentration f dissolved in water outlet water is 0.3mol/L and nitrite concentration g is 0 mol/L；Then controller
The calculating function used during the adjustment follow-up addition of medicament for：The follow-up addition C=A+ dQ of nitrate medicament6/Q3-2eQ6/Q5-
f Q6/Q3-gQ6/Q5；The follow-up addition D=B+2eQ of nitrite medicament6/Q5-gQ6/Q5.If nitrate medicament initial incremental amount A
For 1 mol/L, nitrite medicament initial incremental amount B is 1.2 mol/L, wherein, Q3、Q5And Q6It is 1m/s, then controller is adjusted
The whole follow-up addition of medicament is that subsequently to add concentration C be 0.5mol/L to nitrate medicament, and nitrite medicament is initially added concentration D
For 1.3 mol/L.
Sensor C can also monitor pH value and temperature in the water outlet water of No. 1 water filling surge tank.
Claims (10)
1. a kind of monitoring system of oil field flood pattern Chinese medicine addition, it is characterized in that：The monitoring system includes sensor
And controller, the sensor include sensors A, sensor B and sensor C；
The oil field flood pattern includes production water lines, water supply well water lines, nitrate medicament filling line, nitrite
Pipeline water after medicament filling line, production water and water source well water converge is injected in No. 1 water filling surge tank；The nitrate medicament
The upstream end of filling line access production water lines, nitrite medicament filling line accesses the upstream end of water supply well water lines；
The sensors A is arranged on the water inlet in production water lines, for monitoring the sulphur dissolved in production water lines in water
Hydrogen sulfide content and production water-carrying capacity in compound content, pipeline in air；
The sensor B is arranged on the water inlet in water supply well water lines, for monitoring oxygen content and water in water source well water
Flow flow；
The sensor C is arranged on the water outlet of No. 1 water filling surge tank, for monitoring the sulfide dissolved in water outlet water
Content, oxygen content and water flow；
Monitoring signals are transferred in controller by the sensors A, sensor B and sensor C, and controller, will be anti-by calculating
Feedback signal A is transferred in nitrate medicament filling line in metering device A, and feedback signal B is transferred into nitrite medicament note
Enter in the metering device B in pipeline, constantly adjust and monitor the addition of nitrate medicament and nitrite medicament with this.
2. the monitoring system of oil field flood pattern Chinese medicine addition according to claim 1, it is characterised in that：Produce water
The distance that the upstream end of pipeline refers to produce away from production water lines water inlet in water lines is made a living the 1/5-1/3 of water producing pipe road overall length
The point at place；
The upstream end of water supply well water lines refers to that the distance away from water supply well water lines water inlet in water supply well water lines is water supply well
Point at the 1/5-1/3 of water lines overall length.
3. the monitoring system of oil field flood pattern Chinese medicine addition according to claim 1, it is characterised in that production water
Residence time of the pipeline water in No. 1 water filling surge tank after converging with water source well water is 25-35 minutes；
Nitrate medicament is connected with production water flowing, and nitrite medicament is connected with the flowing of water supply well water.
4. the monitoring system of oil field flood pattern Chinese medicine addition according to claim 1, it is characterised in that：It is described to pass
Sensor is combined sensor；The metering device A or metering device B are optionally one in metering valve or measuring pump.
5. the monitoring system of oil field flood pattern Chinese medicine addition according to claim 1, it is characterised in that：The nitre
Hydrochlorate medicament is sodium nitrate；The nitrite medicament is natrium nitrosum.
6. the monitoring system of oil field flood pattern Chinese medicine addition according to claim 1, it is characterised in that：Sensor
Hydrogen sulfide content in the production water lines of A detections in air is that the sulfide content dissolved in a mol/L, pipeline in water is c
mol/L；Oxygen content in sensor B monitoring water source well water is b mol/L, then controller is adopted when calculating medicament initial incremental amount
Calculating function is：Nitrate medicament initial incremental amount A=(aQ2+cQ1)/Q3；Nitrite medicament initial incremental amount B=
2bQ4/Q5；Wherein, Q1For production water-carrying capacity；Q2For production water air mass flow；Q3For the flow of nitrate medicament filling line；Q4
For water supply well water-carrying capacity；Q5For the flow of nitrite medicament filling line.
7. the monitoring system of oil field flood pattern Chinese medicine addition according to claim 6, it is characterised in that：Sensor
C is used to monitor the sulfide content d mol/L dissolved in water outlet water and oxygen content e mol/L；After controller adjustment medicament
The calculating function used during continuous addition for：The follow-up addition C=A+ dQ of nitrate medicament6/Q3-2eQ6/Q5；Nitrite medicine
The follow-up addition D=B+2eQ of agent6/Q5；Q6For the water-carrying capacity of water outlet.
8. the monitoring system of oil field flood pattern Chinese medicine addition according to claim 7, it is characterised in that：It is described to pass
Sensor C can also monitor the nitrite concentration and nitrate concentration in the water outlet water of No. 1 water filling surge tank.
9. the monitoring system of oil field flood pattern Chinese medicine addition according to claim 8, it is characterised in that：Sensor
The nitrate concentration that C dissolves for monitoring in water outlet water is f mol/L and nitrite concentration is g mol/L；Then control
The calculating function used during the device adjustment follow-up addition of medicament for：The follow-up addition C=A+ dQ of nitrate medicament6/Q3-2eQ6/
Q5- f Q6/Q3-gQ6/Q5；The follow-up addition D=B+2eQ of nitrite medicament6/Q5-gQ6/Q5。
10. the monitoring system of oil field flood pattern Chinese medicine addition according to claim 7, it is characterised in that：It is described
Sensor C can also monitor pH value and temperature in the water outlet water of No. 1 water filling surge tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550091.XA CN107128994A (en) | 2017-07-07 | 2017-07-07 | A kind of monitoring system of oil field flood pattern Chinese medicine addition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550091.XA CN107128994A (en) | 2017-07-07 | 2017-07-07 | A kind of monitoring system of oil field flood pattern Chinese medicine addition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107128994A true CN107128994A (en) | 2017-09-05 |
Family
ID=59737431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710550091.XA Withdrawn CN107128994A (en) | 2017-07-07 | 2017-07-07 | A kind of monitoring system of oil field flood pattern Chinese medicine addition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107128994A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485967A (en) * | 2019-08-20 | 2019-11-22 | 中国石油天然气股份有限公司 | A kind of defroster of double medicament well mouth of oil well dosing pipelines and antifreeze method |
| CN112441672A (en) * | 2019-08-28 | 2021-03-05 | 中国石油天然气股份有限公司 | Aeration device and method for oil well produced water |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994015878A1 (en) * | 1992-12-30 | 1994-07-21 | Norsk Hydro A.S | Method for removing hydrogen sulphide from oil-containing water and equipment therefor |
| WO1994019287A1 (en) * | 1993-02-16 | 1994-09-01 | Geo-Microbial Technologies, Inc. | Method for preventing hydrogen sulfide formation |
| JPH10328676A (en) * | 1997-05-30 | 1998-12-15 | Kurita Water Ind Ltd | Method and apparatus for controlling injection of hydrogen sulfide removing agent |
| US20050224409A1 (en) * | 2003-03-05 | 2005-10-13 | Usfilter Corporation | Method and apparatus for controlling sulfide generation |
| CN1761625A (en) * | 2003-03-05 | 2006-04-19 | 尤斯菲尔特有限公司 | Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater |
| US7846408B1 (en) * | 2006-11-21 | 2010-12-07 | Cox Jr Henry Wilmore | Compositions, methods, and systems for managing total sulfide |
| EP2297029A2 (en) * | 2008-05-22 | 2011-03-23 | Nitra-Gen LLC | A method and apparatus for on-site production of nitrate ions |
| US20120006542A1 (en) * | 2010-07-09 | 2012-01-12 | E. I. Du Pont De Nemours And Company | Method for pre-treatment of subterranean sites adjacent to water injection wells |
| CN103666426A (en) * | 2013-11-16 | 2014-03-26 | 克拉玛依市金山石油化工有限公司 | Oil field water biological treatment agent as well as preparation method and use method thereof |
| US20140299314A1 (en) * | 2013-04-05 | 2014-10-09 | Multi-Chem Group, Llc | Method for the use of nitrates and nitrate reducing bacteria for mitigating biogenic sulfide production |
-
2017
- 2017-07-07 CN CN201710550091.XA patent/CN107128994A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994015878A1 (en) * | 1992-12-30 | 1994-07-21 | Norsk Hydro A.S | Method for removing hydrogen sulphide from oil-containing water and equipment therefor |
| WO1994019287A1 (en) * | 1993-02-16 | 1994-09-01 | Geo-Microbial Technologies, Inc. | Method for preventing hydrogen sulfide formation |
| JPH10328676A (en) * | 1997-05-30 | 1998-12-15 | Kurita Water Ind Ltd | Method and apparatus for controlling injection of hydrogen sulfide removing agent |
| US20050224409A1 (en) * | 2003-03-05 | 2005-10-13 | Usfilter Corporation | Method and apparatus for controlling sulfide generation |
| CN1761625A (en) * | 2003-03-05 | 2006-04-19 | 尤斯菲尔特有限公司 | Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater |
| US7846408B1 (en) * | 2006-11-21 | 2010-12-07 | Cox Jr Henry Wilmore | Compositions, methods, and systems for managing total sulfide |
| EP2297029A2 (en) * | 2008-05-22 | 2011-03-23 | Nitra-Gen LLC | A method and apparatus for on-site production of nitrate ions |
| US20120006542A1 (en) * | 2010-07-09 | 2012-01-12 | E. I. Du Pont De Nemours And Company | Method for pre-treatment of subterranean sites adjacent to water injection wells |
| US20140299314A1 (en) * | 2013-04-05 | 2014-10-09 | Multi-Chem Group, Llc | Method for the use of nitrates and nitrate reducing bacteria for mitigating biogenic sulfide production |
| CN103666426A (en) * | 2013-11-16 | 2014-03-26 | 克拉玛依市金山石油化工有限公司 | Oil field water biological treatment agent as well as preparation method and use method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张太亮等: "油田控制SRB新技术―微生物竞争技术", 《广州化工》 * |
| 董慧明等: "反硝化细菌对硫酸盐还原菌的竞争抑制研究", 《环境工程学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485967A (en) * | 2019-08-20 | 2019-11-22 | 中国石油天然气股份有限公司 | A kind of defroster of double medicament well mouth of oil well dosing pipelines and antifreeze method |
| CN112441672A (en) * | 2019-08-28 | 2021-03-05 | 中国石油天然气股份有限公司 | Aeration device and method for oil well produced water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103994951B (en) | The analogue means of environmental contaminants Transport And Transformation in underground water different water cut layer | |
| CN103752561B (en) | The acid adding chlorine control method preventing drip emitter from blocking and system | |
| CN107128994A (en) | A kind of monitoring system of oil field flood pattern Chinese medicine addition | |
| CN101270652B (en) | Continuous pipe liquid carrying and eyelet shunting simulation device in horizontal pit shaft | |
| CN104246124B (en) | For the linear decompressor for adjusting injection pressure in intensified oil reduction system | |
| CN202946125U (en) | Visual test device for collection assistance by carrying liquid on rockshaft | |
| CN102559163A (en) | Chlorine dioxide compound blockage remover, as well as preparation method and use method for same | |
| CN111948099B (en) | Testing device and method for evaluating backflow opportunity of fracturing fluid based on hydration | |
| CN109705831A (en) | A kind of scaling inhibitor and preparation method thereof and application method | |
| CN206927653U (en) | A kind of monitoring device of oil field flood pattern Chinese medicine addition | |
| CN208456562U (en) | A kind of carbon dioxide injection pipeline corrosion protection continuously adds corrosion inhibiter injection device | |
| CN103113866B (en) | Novel biological inhibitor for inhibiting activity of sulfate reducing bacteria in oil well and use method thereof | |
| CN104405353B (en) | A kind of chemical flooding method for disinfection | |
| CN206818705U (en) | A kind of experimental provision of anisotropism multilayer gas reservoir development | |
| CN107130948A (en) | A kind of liquid injecting apparatus for water injection well | |
| CN103115244B (en) | Biological inhibition method and system of hydrogen sulfide gas in oil gathering system | |
| CN109594954A (en) | Dosing metering control and its application method | |
| CN207072851U (en) | A kind of sewage depth bed denitrogenation processing system | |
| CN203208924U (en) | High-pressure water distribution mother liquor metering and mixing device | |
| CN205844130U (en) | A kind of continuous assessment high-temperature, high pressure fluid viscosity and the experimental provision of shear stability | |
| CN210738536U (en) | Evaluation device for water-gas oil displacement effect | |
| CN206902823U (en) | Check-valves water circuit system is opened in rubber clack rotation | |
| CN206111162U (en) | Dense system falls in clear water that brine was adopted to machine | |
| CN104045153B (en) | A kind of device reducing nitrous oxide generating capacity in anaerobic ammonia oxidation reactor | |
| CN113006743A (en) | Automatic coating process for gas recovery well corrosion inhibition liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170905 |
|
| WW01 | Invention patent application withdrawn after publication |