CN207377519U - Hydrogen sulfide in drilling fluid removes system - Google Patents
Hydrogen sulfide in drilling fluid removes system Download PDFInfo
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- CN207377519U CN207377519U CN201720843598.XU CN201720843598U CN207377519U CN 207377519 U CN207377519 U CN 207377519U CN 201720843598 U CN201720843598 U CN 201720843598U CN 207377519 U CN207377519 U CN 207377519U
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Abstract
Hydrogen sulfide in drilling fluid the utility model is related to be used in sulfur-bearing formation drillng operation removes system, is related to oil drilling Airtight drilling technology field, and hydrogen sulfide in drilling fluid removes system, it is characterised in that including：System entry, high-speed rotational device, heating system, rabbling mechanism, injection equipment, separation tank body, vacuum system, data monitoring and acquisition system, sulfur elimination injected system, centralized control system and drainage system, the utility model can be in completely closed environment by hydrogen sulfide gas in drilling fluid and the hydrogen sulfide separation of hydrolysis state, it can prevent the hydrogen sulfide in drilling fluid from being evaporated at conventional solid controlling system in air to personnel and environmental pollution, meet the safety requirements of sulfur-bearing formation drillng operation.
Description
Technical field
The utility model is related to oil drilling Airtight drilling technology field, more particularly, in sulfur-bearing formation drilling well
The hydrogen sulfide in drilling fluid of operation removes system.
Background technology
Under balance pressure drilling is the drilling technology that bottom pressure is made to be less than strata pressure, has and improves drilling efficiency, protection
Many advantages, such as reservoir and raising oil and gas production.It is continued to increase with the dynamics of exploration and development, deep-well, Ultradeep Drilling Technology
Fast development, the ratio for exploring sulfide hydrogen reservoir in reservoir is increasing.Domestic technical specification regulation before at present,
Sulfur-bearing formation implement drillng operation when, when concentration of hydrogen sulfide be more than 50ppm, under-balanced drilling technology cannot be used.Therefore, owe
Application of the balanced drilling technology during sulfur-bearing formation exploration and development is restricted.To expand the application of under-balanced drilling technology
Scope, the utility model provide a kind of hydrogen sulfide in drilling fluid separator, which can be in confined conditions by drilling fluid
In hydrogen sulfide be kept completely separate, the safety of support personnel and environment.
State Intellectual Property Office discloses a Publication No. CN101525993A in September in 2009 9 days, entitled " to contain
The patent of invention of the monitoring of hydrogen sulfide and control method in sulphur formation underbalanced drilling ", the patent of invention are drilling fluids through overstocked
Testing hydrogen sulfide content in drilling fluid is monitored when closing sampler, and the hydrogen sulfide content signal monitored is inputted to control and is
System, control system are converted into the amount of required sulfur elimination and send instruction, and injection sulfur elimination to four-phase separator and makes in drilling fluid
Hydrogen sulfide and sulfur elimination react to remove residual hydrogen sulfide.
It is above-mentioned excessively to add sulfur elimination into drilling fluid in the prior art in the processing method of hydrogen sulfide, it can be to boring
The performance of well liquid material affects, therefore certain limitation can be generated to the additive amount of sulfur elimination, and limits and remove
After the additive amount of sulphur agent, the elimination effect and efficiency of hydrogen sulfide will be influenced, it is impossible to dispose the sulphur in drilling fluid well
Change hydrogen.
Utility model content
In order to overcome above-mentioned defect in the prior art and deficiency, the purpose of this utility model is that solving existing owe
Balanced drilling technology cannot implement the technical bottleneck of operation in sulfur-bearing formation, and innovation provides a kind of hydrogen sulfide in drilling fluid and removes system
System makes it possible to carry out under balance pressure drilling in sulfur-bearing formation.The utility model can be in completely closed environment by drilling well
Hydrogen sulfide gas including micro-bubble in liquid and the hydrogen sulfide being dissolved in drilling fluid are removed.The utility model can prevent
Clean drilling fluid is not separated ingress of air and to be evaporated at conventional solid controlling system in air to personnel and environmental pollution,
Meet the safety requirements of sulfur-bearing formation drillng operation.
In order to solve above-mentioned defect in the prior art, the utility model is achieved through the following technical solutions：
Hydrogen sulfide in drilling fluid removes system, it is characterised in that including：System entry, high-speed rotational device, heating system, stirring
Mechanism, injection equipment, separation tank body, vacuum system and data monitoring and acquisition system, the system entry and high-speed rotational device
Be connected, the high-speed rotational device is connected with heating system, and the heating system is connected with rabbling mechanism, the rabbling mechanism with
Injection equipment connects, and the high-speed rotational device, heating system, rabbling mechanism and injection equipment are arranged on the inside of separation tank body,
The separation tank body is connected with vacuum system, and the hydrogen sulfide in drilling fluid is removed system and further included：Sulfur elimination injected system is concentrated
Control system and drainage system, the sulfur elimination injected system, centralized control system and drainage system are connected with separating tank body.
The vacuum system includes two vacuum pumps, and described two vacuum pumps are run using two-way parallel combination mode.
The outlet of the drainage system is provided with cooling body, and the type of cooling of the drainage system is air-cooled and water cooling phase
With reference to combination cooling device.
Sulfur elimination filling line is provided in the inlet pipe of the separation tank body.
The separation tank base is provided with inclined floor structure.
The separation tank body is additionally provided with drilling fluid entrance, longitudinal detergent line, sewage draining exit, bottom concave dirt discharge groove, clear
Pipeline, exhaust outlet, leakage fluid dram, detergent line and circulation loop nozzle are washed, nozzle is provided in the detergent line.
There are two isolation boards for the separation tank interior setting.
The isolation board interlaced arrangement is in the inside of separation tank body so that drilling fluid is " S " in the in vivo runner of knockout drum
Type.
The data monitoring and acquisition system can be in real-time monitoring device gas and fluid flow, pressure, temperature, sulphur
Change hydrogen concentration, combustable gas concentration, drilling fluid density, drilling fluid pH value and liquid level etc. are all can monitoring parameters.
The centralized control system can be according to the data of monitoring to rapid under drilling fluid heating system, stirring flow-disturbing mechanism, liquid
It flows mechanism, vacuum system, cooling drainage system and sulfur elimination injected system and carries out real-time operation control.
Operation principle：
Sulfide hydrogen drilling fluid returns out from well head and enters closed multiphase separator after choke manifold is depressured.In separation rock
After bits and portion gas, drilling fluid is pumped into hydrogen sulfide in drilling fluid by gravel pump and removes system.System knockout drum uses square
Jar structure improves the Deal With Drilling Fluid amount of system in the case where meeting traffic condition to greatest extent.Set there are two dislocation to pacify in tank
Runner of the drilling fluid in tank is arranged to " S " type by the isolation board of dress, is increased residence time of the drilling fluid in system, is helped
It is separated in hydrogen sulfide gas.Knockout drum bottom is arranged to inclined floor structure, while is provided with automatic detergent line system, can be with
Automatic cleaning is deposited on the landwaste of bottom, and passes through bottom concave dirt discharge groove and exclude to outside tank to be handled.In system knockout drum
Interior entrance, drilling fluid initially enters high-speed rotational device, and after centrifugation, gas is separated from cyclone top, separated brill
Well liquid is fallen into tank.By heating system drilling fluid is carried out heating adjusting in knockout drum, by the raised shadow of drilling fluid temperature
It rings, the solubility of hydrogen sulfide reduces, and partial vulcanization hydrogen is separated from drilling fluid.Rabbling mechanism is provided in tank,
Drilling fluid bottom flow can be stirred flow-disturbing, contribute to the separation of hydrogen sulfide gas in the larger drilling fluid of viscosity.Simultaneously
Middle part is provided with flow-disturbing injection equipment under liquid in tank, and drilling fluid near drilling fluid outlet in tank is evacuated to middle part bottom in tank bores
It is sprayed at well liquid, the hydrogen sulfide of the micro-bubble being not readily separated of drilling fluid bottom can be recycled to liquid level and be de-gassed point
From.Upper space in tank will be evacuated to negative pressure state using vacuum system in tank, and hydrogen sulfide bubble in drilling fluid is made to increase
As pressure reduces bubble diameter increase during to liquid level, and then buoyancy increases, and is conducive to the rapid increase of bubble with separating.
The vacuum system of the utility model can quickly detach separated gas in tank to outside tank, while make tank inner air pressure automatic
It is maintained at setting negative pressure value.Vacuum system is achieved through the following technical solutions：Sulfurous gas in hydrogen sulfide removing tank is by vacuum
Pumping effect is into gas-liquid separator, and after gas-liquid separation, gas enters vacuum pump.Due to the stream of vacuum pump outlet discharge
Body includes cooling water and sulfurous gas, therefore gas boosting heel row is exported knockout drum to it in vacuum pump.Sulfurous gas portion
Divide to drain into outside system by knockout drum top exit and be handled, separated cooling water comes back to vacuum pump participation cooling and follows
Ring reduces water consumption, and ensures equipment operational safety.The vacuum system is run using two-way parallel combination mode, and using change
Frequency technology carries out automatically controlling.When vacuum degree is less than setting value in hydrogen sulfide knockout drum, a vacuum pump and pipeline system are opened
System, and increase equipment running frequency step by step until vacuum degree is in setting value；When vacuum degree is more than setting value, drop can be passed through
Roughing pump running frequency, while the vacuum degree regulating valve of air can also be connected to by automatically controlling gas-liquid separator top
It carries out vacuum degree quickly to adjust automatically, it is ensured that system safety.The drainage system of hydrogen sulfide knockout drum is arranged to two-way parallel combination
Mode is run, and is automatically controlled using converter technique and kept separation tank level steady.To ensure to be expelled to the brill of solid controlling system
Hydrogen sulfide is in floor level in well liquid, and cooling body is provided in the outlet of drainage system, reduces drilling fluid temperature, improves sulphur
Change hydrogen solubility.In the utility model, the exceeded emergency safety control measure of twice concentration of hydrogen sulfide are provided with.In drainage system
Outlet is provided with drilling fluid branch circulation loop, when still there is volatile hydrogen sulfide gas in the drilling fluid for monitoring to have handled
When, the circuit can be opened and carry out circular treatment；Sulfur elimination inlet is separately provided at the suction line of knockout drum, can be noted in time
Enter the safety that sulfur elimination ensure except sulphuring treatment personnel and equipment.The hydrogen sulfide in drilling fluid of the utility model removes system and exists
Flow, temperature, density and PH mechanism for monitoring are respectively arranged at knockout drum entrance, while it is dense to be provided in tank hydrogen sulfide
Degree, combustable gas concentration, pressure and level monitoring mechanism, real time on-line monitoring system items operating parameter, and data are passed
Centralized control system is transported to, control system sends control instruction according to monitoring parameters to each control mechanism.The brill of the utility model
Well liquid hydrogen sulfide removes system and is arranged to combined type split skid structure, can both meet transport requirement, be easily installed dismounting, again
Save space.
Compared with prior art, technique effect beneficial caused by the utility model is shown：
1. the hydrogen sulfide in drilling fluid of the utility model removes system and is arranged to combined type split skid structure, can both expire
Foot transport requirement, is easily installed dismounting, and saves space.
2. the utility model is since hydrogen sulfide knockout drum uses " S " type structure, when increasing stop of the drilling fluid in system
Between, hydrogen sulfide gas is contributed to sufficiently to separate.It is detached using automatic warming, mechanical flow-disturbing, subsurface injection and negative pressure more
Weight technical measures improve the separative efficiency of hydrogen sulfide in drilling fluid.The vacuum system of setting is transported using two-way parallel combination mode
Row, and using frequency control and the combination rapid automatic adjusting system vacuum degree of regulating valve, safeguards system continues normally to transport
Row.The drainage system of the utility model is also run using two-way parallel combination mode, using frequency control and level monitoring mechanism
It can link and realize the automatic adjustment of liquid level, ensure to separate the steady metering of tank level during system operation.The utility model is set
The cooling body put in a manner that water cooling is combined, is quickly cooled down drilling fluid temperature using air-cooled, adds hydrogen sulfide in drilling well
Solubility in liquid.
3. the particular advantages of the utility model, which also have, uses dual emergent control measure, i.e., it is more than setting in concentration of hydrogen sulfide
The drain branch circulation loop that emergency opening is set during value, and simultaneously sulphur is controlled in the method for knockout drum inlet injection sulfur elimination
Change concentration of the hydrogen in drilling fluid, ensure the safety of personnel and equipment.
4. the particular advantages of the utility model are also resided in using combined type split skid structure, can both meet transport will
It asks, is easily installed and dismantles, and save well site space.
Description of the drawings
Fig. 1 is the system process figure of the utility model；
Fig. 2 is the flow diagram of vacuum system in the utility model；
Fig. 3 is drainage system and cooling body flow diagram in the utility model；
Fig. 4 is drilling fluid sulfur elimination injected system flow diagram；
Fig. 5 is the hydrogen sulfide knockout drum tank structure schematic diagram of the utility model；
Fig. 6 is that the hydrogen sulfide of the utility model separates the top view of tank；
Fig. 7 is the three dimensional structure diagram of the utility model.
Specific embodiment
Embodiment 1
As one preferred embodiment of the utility model, with reference to Figure of description 1-7, present embodiment discloses：
Hydrogen sulfide in drilling fluid removes system, it is characterised in that including：System entry, high-speed rotational device, heating system, stirring
Mechanism, injection equipment, separation tank body, vacuum system and data monitoring and acquisition system, the system entry and high-speed rotational device
Be connected, the high-speed rotational device is connected with heating system, and the heating system is connected with rabbling mechanism, the rabbling mechanism with
Injection equipment connects, and the high-speed rotational device, heating system, rabbling mechanism and injection equipment are arranged on the inside of separation tank body,
The separation tank body is connected with vacuum system, and the hydrogen sulfide in drilling fluid is removed system and further included：Sulfur elimination injected system is concentrated
Control system and drainage system, the sulfur elimination injected system, centralized control system and drainage system are connected with separating tank body.
Embodiment 2
As the utility model another embodiment, with reference to Figure of description 1-7, present embodiment discloses：
Hydrogen sulfide in drilling fluid removes system, it is characterised in that including：System entry, high-speed rotational device, heating system, stirring
Mechanism, injection equipment, separation tank body, vacuum system and data monitoring and acquisition system, the system entry and high-speed rotational device
Be connected, the high-speed rotational device is connected with heating system, and the heating system is connected with rabbling mechanism, the rabbling mechanism with
Injection equipment connects, and the high-speed rotational device, heating system, rabbling mechanism and injection equipment are arranged on the inside of separation tank body,
The separation tank body is connected with vacuum system, and the hydrogen sulfide in drilling fluid is removed system and further included：Sulfur elimination injected system is concentrated
Control system and drainage system, the sulfur elimination injected system, centralized control system and drainage system are connected with separating tank body.
The vacuum system includes two vacuum pumps, and described two vacuum pumps are run using two-way parallel combination mode.
The outlet of the drainage system is provided with cooling body, and the type of cooling of the drainage system is air-cooled and water cooling phase
With reference to combination cooling device.
Embodiment 3
As the utility model another embodiment, with reference to Figure of description 1-7, present embodiment discloses：
Hydrogen sulfide in drilling fluid removes system, it is characterised in that including：System entry, high-speed rotational device, heating system, stirring
Mechanism, injection equipment, separation tank body, vacuum system and data monitoring and acquisition system, the system entry and high-speed rotational device
Be connected, the high-speed rotational device is connected with heating system, and the heating system is connected with rabbling mechanism, the rabbling mechanism with
Injection equipment connects, and the high-speed rotational device, heating system, rabbling mechanism and injection equipment are arranged on the inside of separation tank body,
The separation tank body is connected with vacuum system, and the hydrogen sulfide in drilling fluid is removed system and further included：Sulfur elimination injected system is concentrated
Control system and drainage system, the sulfur elimination injected system, centralized control system and drainage system are connected with separating tank body.
The vacuum system includes two vacuum pumps, and described two vacuum pumps are run using two-way parallel combination mode.
The outlet of the drainage system is provided with cooling body, and the type of cooling of the drainage system is air-cooled and water cooling phase
With reference to combination cooling device.
Sulfur elimination filling line is provided in the inlet pipe of the separation tank body.
The separation tank base is provided with inclined floor structure.
Embodiment 4
As the utility model another embodiment, with reference to Figure of description 1-7, present embodiment discloses：
Hydrogen sulfide in drilling fluid removes system, it is characterised in that including：System entry, high-speed rotational device, heating system, stirring
Mechanism, injection equipment, separation tank body, vacuum system and data monitoring and acquisition system, the system entry and high-speed rotational device
Be connected, the high-speed rotational device is connected with heating system, and the heating system is connected with rabbling mechanism, the rabbling mechanism with
Injection equipment connects, and the high-speed rotational device, heating system, rabbling mechanism and injection equipment are arranged on the inside of separation tank body,
The separation tank body is connected with vacuum system, and the hydrogen sulfide in drilling fluid is removed system and further included：Sulfur elimination injected system is concentrated
Control system and drainage system, the sulfur elimination injected system, centralized control system and drainage system are connected with separating tank body.
The vacuum system includes two vacuum pumps, and described two vacuum pumps are run using two-way parallel combination mode.
The outlet of the drainage system is provided with cooling body, and the type of cooling of the drainage system is air-cooled and water cooling phase
With reference to combination cooling device.
Sulfur elimination filling line is provided in the inlet pipe of the separation tank body.
The separation tank base is provided with inclined floor structure.
The separation tank body is additionally provided with drilling fluid entrance, longitudinal detergent line, sewage draining exit, bottom concave dirt discharge groove, clear
Pipeline, exhaust outlet, leakage fluid dram, detergent line and circulation loop nozzle are washed, nozzle is provided in the detergent line.
There are two isolation boards for the separation tank interior setting.
Embodiment 5
As the utility model another embodiment, with reference to Figure of description 1-7, present embodiment discloses：
Hydrogen sulfide in drilling fluid removes system, it is characterised in that including：System entry, high-speed rotational device, heating system, stirring
Mechanism, injection equipment, separation tank body, vacuum system and data monitoring and acquisition system, the system entry and high-speed rotational device
Be connected, the high-speed rotational device is connected with heating system, and the heating system is connected with rabbling mechanism, the rabbling mechanism with
Injection equipment connects, and the high-speed rotational device, heating system, rabbling mechanism and injection equipment are arranged on the inside of separation tank body,
The separation tank body is connected with vacuum system, and the hydrogen sulfide in drilling fluid is removed system and further included：Sulfur elimination injected system is concentrated
Control system and drainage system, the sulfur elimination injected system, centralized control system and drainage system are connected with separating tank body.
The vacuum system includes two vacuum pumps, and described two vacuum pumps are run using two-way parallel combination mode.
The outlet of the drainage system is provided with cooling body, and the type of cooling of the drainage system is air-cooled and water cooling phase
With reference to combination cooling device.
Sulfur elimination filling line is provided in the inlet pipe of the separation tank body.
The separation tank base is provided with inclined floor structure.
The separation tank body is additionally provided with drilling fluid entrance, longitudinal detergent line, sewage draining exit, bottom concave dirt discharge groove, clear
Pipeline, exhaust outlet, leakage fluid dram, detergent line and circulation loop nozzle are washed, nozzle is provided in the detergent line.
There are two isolation boards for the separation tank interior setting.
The isolation board interlaced arrangement is in the inside of separation tank body so that drilling fluid is " S " in the in vivo runner of knockout drum
Type.
Embodiment 6
As the utility model another embodiment, with reference to Figure of description 1-7, present embodiment discloses：
Hydrogen sulfide in drilling fluid removes system, it is characterised in that including：System entry, high-speed rotational device, heating system, stirring
Mechanism, injection equipment, separation tank body, vacuum system and data monitoring and acquisition system, the system entry and high-speed rotational device
Be connected, the high-speed rotational device is connected with heating system, and the heating system is connected with rabbling mechanism, the rabbling mechanism with
Injection equipment connects, and the high-speed rotational device, heating system, rabbling mechanism and injection equipment are arranged on the inside of separation tank body,
The separation tank body is connected with vacuum system, and the hydrogen sulfide in drilling fluid is removed system and further included：Sulfur elimination injected system is concentrated
Control system and drainage system, the sulfur elimination injected system, centralized control system and drainage system are connected with separating tank body.
The vacuum system includes two vacuum pumps, and described two vacuum pumps are run using two-way parallel combination mode.
The outlet of the drainage system is provided with cooling body, and the type of cooling of the drainage system is air-cooled and water cooling phase
With reference to combination cooling device.
Sulfur elimination filling line is provided in the inlet pipe of the separation tank body.
The separation tank base is provided with inclined floor structure.
The separation tank body is additionally provided with drilling fluid entrance, longitudinal detergent line, sewage draining exit, bottom concave dirt discharge groove, clear
Pipeline, exhaust outlet, leakage fluid dram, detergent line and circulation loop nozzle are washed, nozzle is provided in the detergent line.
There are two isolation boards for the separation tank interior setting.
The isolation board interlaced arrangement is in the inside of separation tank body so that drilling fluid is " S " in the in vivo runner of knockout drum
Type.
The data monitoring and acquisition system can be in real-time monitoring device gas and fluid flow, pressure, temperature, sulphur
Change hydrogen concentration, combustable gas concentration, drilling fluid density, drilling fluid pH value and liquid level etc. are all can monitoring parameters.
Embodiment 7
As the utility model another embodiment, with reference to Figure of description 1-7, present embodiment discloses：
Sulfide hydrogen drilling fluid enters knockout drum from system entry 105.After in into tank, drilling fluid, which initially enters, to be revolved at a high speed
Device 114 is flowed, as shown in Figure 1.After centrifugation, gas is separated from cyclone top, and separated drilling fluid is fallen into tank.It is logical
It crosses heating system 113 drilling fluid is carried out to heat adjusting, be influenced by drilling fluid temperature is raised, the solubility of hydrogen sulfide reduces,
Partial vulcanization hydrogen is separated from drilling fluid.The rabbling mechanism 112 set in tank, can by drilling fluid bottom flow into
Row stirring flow-disturbing, contributes to the separation of hydrogen sulfide gas in the larger drilling fluid of viscosity.Flow-disturbing injection equipment under the liquid set in tank
101, drilling fluid near drilling fluid outlet in tank is evacuated in tank at the bottom drilling fluid of middle part and is sprayed, it can be by drilling fluid bottom
The hydrogen sulfide for the micro-bubble being not readily separated is recycled to liquid level and is de-gassed separation.Upper space in tank sets vacuum system
111 will be evacuated to negative pressure state in tank, make in drilling fluid hydrogen sulfide bubble during liquid level is risen to as pressure reduces bubble
Diameter increases, and then buoyancy increases, and is conducive to the rapid increase of bubble with separating.
The cooling drainage system 106 that the utility model is set automatically controls holding separation tank level using converter technique and puts down
Surely, and by cooling body drilling fluid temperature is reduced, improves solubility of hydrogen sulfide, guarantee is expelled in the drilling fluid of solid controlling system
Hydrogen sulfide is in floor level.The utility model is provided with sulfur elimination inlet at the suction line of knockout drum, passes through sulphur removal
Agent injected system 107 can inject the safety that sulfur elimination ensure except sulphuring treatment personnel and equipment in time.The sulphur of the utility model
Change hydrogen and remove system and be provided with data monitoring and acquisition system 115, gas and fluid flow, pressure in real-time monitoring system,
Temperature, concentration of hydrogen sulfide, combustable gas concentration, drilling fluid density, drilling fluid pH value and liquid level etc. are all can monitoring parameters.It adopts
The data of collection can be transferred directly to centralized monitoring system 108, the monitoring system can according to the data of monitoring to heating system, stir
It mixes mechanism, Ye Xia flow-disturbings mechanism, vacuum system, cooling drainage system and sulfur elimination injected system and carries out real-time operation control.
111 technological process of vacuum system of the utility model is as shown in Fig. 2, can quickly detach separated gas in tank
To outside tank, while tank inner air pressure is made to be automatically held in setting negative pressure value.Vacuum system is achieved through the following technical solutions：Sulphur
Change the sulfurous gas that hydrogen is removed in tank 104 and gas-liquid separator 1 is entered by pipeline a by vacuum pump 5A swabbing actions, set on separator 1
It is equipped with the mechanism for monitoring such as pressure, concentration 11.After gas-liquid separation, gas enters vacuum pump 4A by pipeline c, d.It is set on pipeline d
It is equipped with check-valves 2A and controlling switch valve 3A.Since the fluid of vacuum pump outlet discharge includes cooling water and sulfurous gas, because
This drains into it through pipeline e after vacuum pump is by gas boosting and exports knockout drum 5A.Sulfurous gas is passed through by knockout drum top exit
Pipeline f, g drain into system outer 14 and are handled, and flow monitoring mechanism 13 is provided on gas exhaust piping g.Knockout drum 5A is separated cold
But water comes back to vacuum pump 4A by pipeline h and participates in cooling cycle, reduces water consumption, and ensures equipment operational safety.This reality
It is run with new vacuum system using two-way parallel combination mode, gas can enter vacuum pump 4B by pipeline c, k.Pipeline
Check-valves 2B and controlling switch valve 3B are provided on k.By gas, l drains into its outlet knockout drum 5B to vacuum pump 4B by the road.Gas
14 are drained into outside system by pipeline m, g to be handled.The separated cooling waters of knockout drum 5B come back to vacuum pump 4B by pipeline o
Participate in cooling cycle.Cooling water in vacuum system can be by entrance 10 by valve 9,8A pipeline j, i controlled or by valve
9th, pipeline j, n of 8B controls are injected separately into knockout drum 5A and 5B, and knockout drum is also respectively arranged with tapping valve 7A and 7B.
The two-way flow of vacuum system can be by control system 108 to the automatic switch control of valve 3A, 3B, 6A and 6B
To realize the operation of single channel or parallel connection.The vacuum system of the utility model is carried out automatically controlling using converter technique.Work as monitoring machine
When structure 11 monitors that vacuum degree is less than setting value in hydrogen sulfide knockout drum, a vacuum pump and pipe-line system are opened, and is increased step by step
Oil (gas) filling device running frequency is until vacuum degree is in setting value；When vacuum degree is more than setting value, can be transported by reducing vacuum pump
Line frequency, at the same can also by automatically control 1 upper pipeline b of gas-liquid separator be connected to the vacuum degree regulating valve 12 of air into
Row vacuum degree is quickly adjusted automatically, it is ensured that system safety.
106 technological process of cooling drainage system of the utility model is transported as shown in figure 3, being arranged to two-way parallel combination mode
Row, and automatically controlled using converter technique and keep separation tank level steady.Cooling body is provided with, reduces drilling fluid temperature,
Improve solubility of hydrogen sulfide.Vacuum system is achieved through the following technical solutions：Drilling fluid after the separation of knockout drum 104 passes through pipe
Road 2a, discharged into variable frequency pump 205A, and by pipeline 2b.Blowdown valve 206A is provided on pipeline 2a, convenient for blowdown.On pipeline 2b
Check-valves 204A is provided with, is also provided with pressure detection mechanism 207A, real-time monitoring tubular road system pressure.If it monitors to exclude
Also have in liquid and do not separate clean drilling fluid, valve 202A can be opened, 2j is conveyed again by the road by the drilling fluid of discharge
It returns knockout drum 104 and carries out secondary separation.Similarly another way exclude pipeline can make drilling fluid by pipeline 2k, into variable frequency pump
205B, and discharged by pipeline 2l.Blowdown valve 206B is provided on pipeline 2k.Check-valves 204A is provided on pipeline 2l to examine with pressure
Survey mechanism 207B.And valve 202B can be opened, by drilling fluid, 2m is transmitted back to knockout drum 104 again by the road.Two-way flow can
To realize single channel or fortune in parallel to the automatic switch control of valve 201A, 201B, 203A and 203B by control system 108
Row.The drilling fluid of discharge can be expelled directly out 212 outside system with 2c by the road, be provided on pipeline 2c flow monitoring mechanism 208 with
Blowdown valve 221.Can also by valve 209,211 with 213 control by drilling fluid importing cooling body 110 cool down.
Drilling fluid forms convoluted configuration 2e in cooling body, is then exhausted from after cooling by the road after 2d into cooling body.Cooler
Using cooling pump 215, coolant is sprayed onto drilling fluid convoluted configuration 2e by 2g by nozzle 208 by the road in structure.Cool down the heat generated
It is discharged by the exhaust system 216 at the top of cooling body.The front and rear drilling fluid temperature of cooling can pass through temperature monitoring machine respectively
Structure 210 is monitored with 214.The coolant of cooling body can by the external world 218,2f be supplemented by the road by opening valve 217.Together
When, the coolant of cooling body can also by open valve 220 by pump 219 by the road 2h be delivered to respectively variable frequency pump 205A with
205B cools down pump, and the liquid after heat exchange is transmitted back to cooling body 110 by pipeline 2i, realizes that the cycling of coolant is high
Effect utilizes.
Embodiment 8
As the utility model another embodiment, with reference to Figure of description 1-7, present embodiment discloses：
Sulfide hydrogen drilling fluid enters knockout drum from system entry 105.After in into tank, drilling fluid, which initially enters, to be revolved at a high speed
Device 114 is flowed, as shown in Figure 1.After centrifugation, gas is separated from cyclone top, and separated drilling fluid is fallen into tank.It is logical
It crosses heating system 113 drilling fluid is carried out to heat adjusting, be influenced by drilling fluid temperature is raised, the solubility of hydrogen sulfide reduces,
Partial vulcanization hydrogen is separated from drilling fluid.The rabbling mechanism 112 set in tank, can by drilling fluid bottom flow into
Row stirring flow-disturbing, contributes to the separation of hydrogen sulfide gas in the larger drilling fluid of viscosity.Flow-disturbing injection equipment under the liquid set in tank
101, drilling fluid near drilling fluid outlet in tank is evacuated in tank at the bottom drilling fluid of middle part and is sprayed, it can be by drilling fluid bottom
The hydrogen sulfide for the micro-bubble being not readily separated is recycled to liquid level and is de-gassed separation.Upper space in tank sets vacuum system
111 will be evacuated to negative pressure state in tank, make in drilling fluid hydrogen sulfide bubble during liquid level is risen to as pressure reduces bubble
Diameter increases, and then buoyancy increases, and is conducive to the rapid increase of bubble with separating.
The cooling drainage system 106 that the utility model is set automatically controls holding separation tank level using converter technique and puts down
Surely, and by cooling body drilling fluid temperature is reduced, improves solubility of hydrogen sulfide, guarantee is expelled in the drilling fluid of solid controlling system
Hydrogen sulfide is in floor level.The utility model is provided with sulfur elimination inlet at the suction line of knockout drum, passes through sulphur removal
Agent injected system 107 can inject the safety that sulfur elimination ensure except sulphuring treatment personnel and equipment in time.The sulphur of the utility model
Change hydrogen and remove system and be provided with data monitoring and acquisition system 115, gas and fluid flow, pressure in real-time monitoring system,
Temperature, concentration of hydrogen sulfide, combustable gas concentration, drilling fluid density, drilling fluid pH value and liquid level etc. are all can monitoring parameters.It adopts
The data of collection can be transferred directly to centralized monitoring system 108, the monitoring system can according to the data of monitoring to heating system, stir
It mixes mechanism, Ye Xia flow-disturbings mechanism, vacuum system, cooling drainage system and sulfur elimination injected system and carries out real-time operation control.
111 technological process of vacuum system of the utility model is as shown in Fig. 2, can quickly detach separated gas in tank
To outside tank, while tank inner air pressure is made to be automatically held in setting negative pressure value.Vacuum system is achieved through the following technical solutions：Sulphur
Change the sulfurous gas that hydrogen is removed in tank 104 and gas-liquid separator 1 is entered by pipeline a by vacuum pump 5A swabbing actions, set on separator 1
It is equipped with the mechanism for monitoring such as pressure, concentration 11.After gas-liquid separation, gas enters vacuum pump 4A by pipeline c, d.It is set on pipeline d
It is equipped with check-valves 2A and controlling switch valve 3A.Since the fluid of vacuum pump outlet discharge includes cooling water and sulfurous gas, because
This drains into it through pipeline e after vacuum pump is by gas boosting and exports knockout drum 5A.Sulfurous gas is passed through by knockout drum top exit
Pipeline f, g drain into system outer 14 and are handled, and flow monitoring mechanism 13 is provided on gas exhaust piping g.Knockout drum 5A is separated cold
But water comes back to vacuum pump 4A by pipeline h and participates in cooling cycle, reduces water consumption, and ensures equipment operational safety.This reality
It is run with new vacuum system using two-way parallel combination mode, gas can enter vacuum pump 4B by pipeline c, k.Pipeline
Check-valves 2B and controlling switch valve 3B are provided on k.By gas, l drains into its outlet knockout drum 5B to vacuum pump 4B by the road.Gas
14 are drained into outside system by pipeline m, g to be handled.The separated cooling waters of knockout drum 5B come back to vacuum pump 4B by pipeline o
Participate in cooling cycle.Cooling water in vacuum system can be by entrance 10 by valve 9,8A pipeline j, i controlled or by valve
9th, pipeline j, n of 8B controls are injected separately into knockout drum 5A and 5B, and knockout drum is also respectively arranged with tapping valve 7A and 7B.
The two-way flow of vacuum system can be by control system 108 to the automatic switch control of valve 3A, 3B, 6A and 6B
To realize the operation of single channel or parallel connection.The vacuum system of the utility model is carried out automatically controlling using converter technique.Work as monitoring machine
When structure 11 monitors that vacuum degree is less than setting value in hydrogen sulfide knockout drum, a vacuum pump and pipe-line system are opened, and is increased step by step
Oil (gas) filling device running frequency is until vacuum degree is in setting value；When vacuum degree is more than setting value, can be transported by reducing vacuum pump
Line frequency, at the same can also by automatically control 1 upper pipeline b of gas-liquid separator be connected to the vacuum degree regulating valve 12 of air into
Row vacuum degree is quickly adjusted automatically, it is ensured that system safety.
106 technological process of cooling drainage system of the utility model is transported as shown in figure 3, being arranged to two-way parallel combination mode
Row, and automatically controlled using converter technique and keep separation tank level steady.Cooling body is provided with, reduces drilling fluid temperature,
Improve solubility of hydrogen sulfide.Vacuum system is achieved through the following technical solutions：Drilling fluid after the separation of knockout drum 104 passes through pipe
Road 2a, discharged into variable frequency pump 205A, and by pipeline 2b.Blowdown valve 206A is provided on pipeline 2a, convenient for blowdown.On pipeline 2b
Check-valves 204A is provided with, is also provided with pressure detection mechanism 207A, real-time monitoring tubular road system pressure.If it monitors to exclude
Also have in liquid and do not separate clean drilling fluid, valve 202A can be opened, 2j is conveyed again by the road by the drilling fluid of discharge
It returns knockout drum 104 and carries out secondary separation.Similarly another way exclude pipeline can make drilling fluid by pipeline 2k, into variable frequency pump
205B, and discharged by pipeline 2l.Blowdown valve 206B is provided on pipeline 2k.Check-valves 204A is provided on pipeline 2l to examine with pressure
Survey mechanism 207B.And valve 202B can be opened, by drilling fluid, 2m is transmitted back to knockout drum 104 again by the road.Two-way flow can
To realize single channel or fortune in parallel to the automatic switch control of valve 201A, 201B, 203A and 203B by control system 108
Row.The drilling fluid of discharge can be expelled directly out 212 outside system with 2c by the road, be provided on pipeline 2c flow monitoring mechanism 208 with
Blowdown valve 221.Can also by valve 209,211 with 213 control by drilling fluid importing cooling body 110 cool down.
Drilling fluid forms convoluted configuration 2e in cooling body, is then exhausted from after cooling by the road after 2d into cooling body.Cooler
Using cooling pump 215, coolant is sprayed onto drilling fluid convoluted configuration 2e by 2g by nozzle 208 by the road in structure.Cool down the heat generated
It is discharged by the exhaust system 216 at the top of cooling body.The front and rear drilling fluid temperature of cooling can pass through temperature monitoring machine respectively
Structure 210 is monitored with 214.The coolant of cooling body can by the external world 218,2f be supplemented by the road by opening valve 217.Together
When, the coolant of cooling body can also by open valve 220 by pump 219 by the road 2h be delivered to respectively variable frequency pump 205A with
205B cools down pump, and the liquid after heat exchange is transmitted back to cooling body 110 by pipeline 2i, realizes that the cycling of coolant is high
Effect utilizes.
In the utility model, the exceeded emergency safety control measure of twice concentration of hydrogen sulfide are provided with.In going out for drainage system
Mouthful drilling fluid branch circulation loop 2j and 2m are provided with, when still there is volatile stink damp in the drilling fluid for monitoring to have handled
During body, the circuit can be opened and carry out circular treatment；Sulfur elimination injected system 107 separately is provided with, in the suction line of piece-rate system
Injection sulfur elimination is carried out except the safety of sulphuring treatment, guarantee personnel and equipment in time at place.Sulfur elimination injected system passes through following technology
Scheme is realized（See Fig. 4）：Injected system is provided with fluid reservoir 320, and by delivery pump 304,3a and 3b is injected into sulfur elimination by the road
The suction line of piece-rate system.Filter 302 and switch valve 303 are provided on pipeline 3a.Check-valves 307 is provided on pipeline 3b
With switch valve 306.Pressure on injection pipeline is monitored by pressure monitoring mechanism 308, it can be by beating after more than setting value
Sulfur elimination is injected into through pipeline 3c in fluid reservoir 320 by valve opening door 309.Safety valve 310 and liquid level gauge are provided on fluid reservoir 320
Measuring mechanism 311.The loading and unloading material mechanism of fluid reservoir uses integrated setting, i.e., when needing feeding, closes valve 317 and 318, beat
Turn on pump 315 opens valve 313,316, and out-of-bounds sulfur elimination 312 will enter through pipeline 3d, 3e, 3f and 3g in tank, in inlet pipe
It is provided with filter 314；When needing discharging, valve 313 and 316 is closed, opens valve 317 and 318, opens pump 315, storage tank
Sulfur elimination in 320 will exclude out-of-bounds 319 through pipeline 3g, 3h, 3e and 3i.
The system knockout drum 104 of the utility model uses square jar structure, as shown in fig. 6, in the case where meeting traffic condition most
Limits improve the Deal With Drilling Fluid amount of system.Isolation board 104j there are two arranged in dislocation in tank is set, drilling fluid is existed
Runner in tank is arranged to " S " type, i.e. drilling fluid flows along passage A, B and C after entrance 104k enters in tank, adds brill
Residence time of the well liquid in system, hydrogen sulfide gas is contributed to separate.Knockout drum bottom is arranged to inclined floor structure 104d,
Automatic detergent line system is provided with simultaneously, and cleaning solution passes through the nozzle on longitudinal detergent line 104a after 104l entrance
104f can clean the residual drilling fluid of baffle both sides, and the rock for being deposited on bottom can be cleaned by horizontal detergent line 104e
Bits, and pass through bottom concave dirt discharge groove 104c and exclude to outside tank to be handled through sewage draining exit 104b.Someone is also set up on knockout drum
Hole 104a, exhaust outlet 104h, leakage fluid dram 104m and circulation loop nozzle 104n.
The hydrogen sulfide in drilling fluid of the utility model removes system and is arranged to combined type split skid structure up and down, such as Fig. 7 institutes
Show.Top skid include tank body 104, heating system 113, stirring structure 112, Ye Xia flow-disturbings mechanism 101, vacuum system 111,
Clear tank pipe-line system 109 and cooling body 110.It separates and is provided with sulfur elimination filling line in the inlet pipe 105 of tank body 104
103.Systematic parameter monitoring and acquisition system on knockout drum are set, and have railing and 102 grade auxiliary operations facility of stair.It prizes lower part
Dress mainly includes drainage system 106, sulfur elimination injected system 107 and centralized control system 108.The structure of combination skid is set
It puts, can both meet transport requirement, be easily installed dismounting, and save space.
In the utility model, all valves, instrument, pump and equipment etc. may be employed centralized Control or other known to
Mode is controlled.The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new basic principle, any modifications, equivalent replacements and improvements are made should be included in the protection of the utility model
Within the scope of.
Claims (8)
1. hydrogen sulfide in drilling fluid removes system, it is characterised in that including：System entry, high-speed rotational device, heating system, mixer
Structure, injection equipment, separation tank body, vacuum system and data monitoring and acquisition system, the system entry and high-speed rotational device phase
Connection, the high-speed rotational device are connected with heating system, and the heating system is connected with rabbling mechanism, the rabbling mechanism and spray
Mechanism connection is penetrated, the high-speed rotational device, heating system, rabbling mechanism and injection equipment are arranged on the inside of separation tank body, institute
It states separation tank body to be connected with vacuum system, the hydrogen sulfide in drilling fluid is removed system and further included：Sulfur elimination injected system concentrates control
System processed and drainage system, the sulfur elimination injected system, centralized control system and drainage system are connected with separating tank body, institute
Stating vacuum system includes two vacuum pumps, and described two vacuum pumps are run using two-way parallel combination mode, the drainage system
Outlet be provided with cooling body, the combination cooling device that the type of cooling of the drainage system is combined for air-cooled and water cooling.
2. hydrogen sulfide in drilling fluid removes system according to claim 1, it is characterised in that：The inlet pipe of the separation tank body
On be provided with sulfur elimination filling line.
3. hydrogen sulfide in drilling fluid removes system according to claim 1, it is characterised in that：The separation tank base is provided with
Inclined floor structure.
4. hydrogen sulfide in drilling fluid removes system according to claim 1, it is characterised in that：The separation tank body is additionally provided with brill
Well liquid entrance, longitudinal detergent line, sewage draining exit, bottom concave dirt discharge groove, detergent line, exhaust outlet, leakage fluid dram and circulation loop
Nozzle is provided with nozzle in the detergent line.
5. hydrogen sulfide in drilling fluid removes system according to claim 1, it is characterised in that：The separation tank interior is provided with
Two isolation boards.
6. hydrogen sulfide in drilling fluid removes system according to claim 5, it is characterised in that：The isolation board interlaced arrangement is being divided
Inside from tank body so that drilling fluid is " S " type in the in vivo runner of knockout drum.
7. hydrogen sulfide in drilling fluid removes system according to claim 1, it is characterised in that：The data monitoring and acquisition system
Gas and fluid flow, pressure, temperature, concentration of hydrogen sulfide, combustable gas concentration, drilling well that can be in real-time monitoring device be liquid-tight
The monitoring parameters of degree, drilling fluid pH value and liquid level.
8. hydrogen sulfide in drilling fluid removes system according to claim 1, it is characterised in that：The centralized control system can basis
The data of monitoring to drilling fluid heating system, stirring flow-disturbing mechanism, Ye Xia turbulent flows mechanism, vacuum system, cooling drainage system with
And sulfur elimination injected system carries out real-time operation control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720843598.XU CN207377519U (en) | 2017-07-12 | 2017-07-12 | Hydrogen sulfide in drilling fluid removes system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720843598.XU CN207377519U (en) | 2017-07-12 | 2017-07-12 | Hydrogen sulfide in drilling fluid removes system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140227A (en) * | 2019-11-06 | 2020-05-12 | 中国石油集团川庆钻探工程有限公司 | Rapid logging rock debris collecting method for closed drilling circulation system of sulfur-containing stratum |
| CN111206891A (en) * | 2019-11-06 | 2020-05-29 | 中国石油集团川庆钻探工程有限公司 | Closed automatic rock debris collecting device for sulfur-containing stratum |
| CN113058293A (en) * | 2021-03-19 | 2021-07-02 | 广汉市思明石油钻采设备配套有限公司 | Self-cleaning safety type separator, separation and cleaning integrated system using separator and use method of system |
| CN114074969A (en) * | 2020-08-07 | 2022-02-22 | 中国石油天然气集团有限公司 | Dehydrogenation device, dehydrogenation method, and wastewater treatment system |
-
2017
- 2017-07-12 CN CN201720843598.XU patent/CN207377519U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140227A (en) * | 2019-11-06 | 2020-05-12 | 中国石油集团川庆钻探工程有限公司 | Rapid logging rock debris collecting method for closed drilling circulation system of sulfur-containing stratum |
| CN111206891A (en) * | 2019-11-06 | 2020-05-29 | 中国石油集团川庆钻探工程有限公司 | Closed automatic rock debris collecting device for sulfur-containing stratum |
| CN114074969A (en) * | 2020-08-07 | 2022-02-22 | 中国石油天然气集团有限公司 | Dehydrogenation device, dehydrogenation method, and wastewater treatment system |
| CN113058293A (en) * | 2021-03-19 | 2021-07-02 | 广汉市思明石油钻采设备配套有限公司 | Self-cleaning safety type separator, separation and cleaning integrated system using separator and use method of system |
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Effective date of registration: 20200907 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: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |
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