CN212479128U - Oil-based drilling fluid recovery system - Google Patents

Oil-based drilling fluid recovery system Download PDF

Info

Publication number
CN212479128U
CN212479128U CN202020613987.5U CN202020613987U CN212479128U CN 212479128 U CN212479128 U CN 212479128U CN 202020613987 U CN202020613987 U CN 202020613987U CN 212479128 U CN212479128 U CN 212479128U
Authority
CN
China
Prior art keywords
drilling fluid
electric valve
storage tank
heating
oil
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.)
Expired - Fee Related
Application number
CN202020613987.5U
Other languages
Chinese (zh)
Inventor
刘川艳
张�杰
毛良杰
刘洲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Petroleum University
Original Assignee
Southwest Petroleum University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southwest Petroleum University filed Critical Southwest Petroleum University
Priority to CN202020613987.5U priority Critical patent/CN212479128U/en
Application granted granted Critical
Publication of CN212479128U publication Critical patent/CN212479128U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Earth Drilling (AREA)

Abstract

The utility model provides an oil base drilling fluid recovery system relates to oil base drilling fluid and retrieves technical field, has solved the too high and extravagant technical problem of resource of conventional oil base drilling fluid recovery unit recovery cost. The oil-based drilling fluid recovery system comprises a liquid storage tank (1), a hot water boiler (2), a heating stirrer (3), a three-phase centrifuge (4), a recovery pool (5), a drilling fluid recovery tank (6), a demulsifier storage tank (7) and a PLC (programmable logic controller) (8). The utility model discloses can be used to the drilling fluid recovery in oil development field and recycle. The utility model discloses a set up a boiler and can give the heating agitator heat supply, also can add the agitator with the water after the heat supply in, improve heating efficiency, resources are saved.

Description

Oil-based drilling fluid recovery system
Technical Field
The utility model relates to an oil base drilling fluid technical field, concretely relates to oil base drilling fluid recovery system.
Background
Oil-based muds, also known as oil-based drilling fluids, consist essentially of oil, water, organoclays and oil-soluble chemical treatments. The oil-based mud resists high temperature and salt and calcium erosion, is beneficial to well wall stability, has good lubricity and little damage to oil and gas reservoirs, and is widely applied to various drilling platforms. However, diesel oil, which is the base oil in oil-based mud, generates aromatic hydrocarbons with toxins, and the more the amount of aromatic hydrocarbons contained, the more toxic.
In modern drilling operation, the oil-based drilling fluid has the advantages of high temperature resistance, good lubricity, contribution to well wall stability, small damage degree to an oil-gas layer and the like, is an important means for drilling high-difficulty high-temperature deep wells, large-inclination directional wells, horizontal wells and complex stratums, and can be widely used as stuck freeing fluid, perforation completion fluid, workover fluid, coring fluid and the like.
However, the used oil-based drilling fluid can cause great damage to the natural environment if discharged without treatment, and the ecological balance is influenced. The existing oil-based recovery processing device generally adopts electric heating on a heating stirrer, water is selectively added to dilute the oil-based drilling fluid, and a demulsifier cannot be quantitatively and accurately added according to two quantitative quantities of the oil-based drilling fluid, so that resource waste is caused, and the recovery cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil base drilling fluid recovery system carries out the circulation heating to the heating agitator through setting up a boiler to through adding measuring pump and motorised valve in the pipeline, use the PLC controller to control measuring pump and motorised valve, realize adding demulsifier and clear water according to the volume ration of oil base drilling fluid, solved the too high and extravagant technical problem of resource of conventional oil base drilling fluid recovery unit recovery cost. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an oil-based drilling fluid recovery system comprises a liquid storage tank, a hot water boiler, a heating stirrer, a three-phase centrifuge, a recovery tank, a drilling fluid recovery tank, a demulsifier storage tank and a PLC (programmable logic controller); wherein:
optionally or preferably, the heating stirrer comprises a motor, a stirring rod, a stirring blade, a stirring barrel and a heating water pipe arranged between the inner wall and the outer wall of the stirring barrel;
optionally or preferably, the liquid storage tank and the demulsifier storage tank are both connected with the heating stirrer through a conveying pipeline;
alternatively or preferably, the heated agitator is connected to the centrifuge via a transfer conduit;
optionally or preferably, the three-phase centrifuge is respectively connected with a recovery pool and a drilling fluid recovery tank through conveying pipelines;
optionally or preferably, the PLC is installed outside the wall of the stirring barrel;
optionally or preferably, a metering pump I, an electric valve I, a metering pump II and an electric valve II are respectively arranged on the conveying pipelines among the liquid storage tank, the hot water boiler and the heating stirrer;
optionally or preferably, the hot water boiler is connected with a water inlet of the heating water pipe through a conveying pipe;
optionally or preferably, the water outlet of the heating water pipe is respectively connected with the water inlet of the dilution water of the heating stirrer and the return port of the hot water boiler through a one-to-two pipeline;
optionally or preferably, a metering pump three is arranged on the main path of the one-to-two pipeline, and an electric valve three and an electric valve four are respectively arranged on the two branch paths;
optionally or preferably, a flow meter and an electric valve five are further arranged on the conveying pipelines of the demulsifier storage tank and the heating stirrer;
optionally or preferably, the first metering pump, the first electric valve, the second metering pump, the second electric valve, the third metering pump, the third electric valve, the fourth electric valve, the flowmeter and the fifth electric valve are all electrically connected with the PLC controller.
Optionally or preferably, the inner wall of the heating stirrer is also provided with a temperature detection sensor.
Optionally or preferably, the temperature detection sensor is electrically connected with the PLC controller.
Optionally or preferably, the liquid storage tank and the demulsifier storage tank are both connected with the liquid inlet and the liquid inlet on the heating stirrer through conveying pipelines.
Based on the technical scheme, the following technical effects can be generated:
the embodiment of the utility model provides a pair of oil base drilling fluid recovery system can be used to carry out recycle to oil base drilling fluid. The utility model relates to an oil base drilling fluid recovery system carries out the circulation heating to heating agitator through setting up a boiler, and the dilution water inlet at the heating agitator is connected through one minute two pipe connection to the heating water pipe in the heating agitator, it becomes hot water to dilute the clear water, reduce the heat time of heating agitator, and through adding measuring pump and motorised valve in the pipeline, use the PLC controller to control measuring pump and motorised valve, demulsifier and clear water are added to the volume ration of realization according to oil base drilling fluid, the technical problem of conventional oil base drilling fluid recovery unit cost of recovery is too high and the wasting of resources has been solved. The utility model discloses compact structure, hotter stirring are efficient, can reduce drilling fluid recovery processing's time, improve the work efficiency of whole device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural view of the heating stirrer of the present invention;
in the figure: 1. a liquid storage tank; 1-1, a first metering pump; 1-2, electrically operated valve; 2. a hot water boiler; 2-1, a metering pump II; 2-2, electrically operated valve II; 3. heating the stirrer; 3-1, metering pump III; 3-2, electrically operated valve III; 3-3, electrically operated valve IV; 3-4, heating a water pipe; 3-5, a motor; 3-6, a stirring rod; 3-7, stirring blades; 3-8, heating a barrel; 3-9 temperature detection sensors; 4. a three-phase centrifuge; 5. a recovery tank; 6. a drilling fluid recovery tank; 7. and a demulsifier storage tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-2:
the utility model provides an oil-based drilling fluid recovery system, which comprises a liquid storage tank 1, a hot water boiler 2, a heating stirrer 3, a three-phase centrifuge 4, a recovery tank 5, a drilling fluid recovery tank 6, a demulsifier storage tank 7 and a PLC (programmable logic controller) 8; wherein:
the heating stirrer 3 comprises a motor 3-5, a stirring rod 3-6, stirring blades 3-7, a stirring barrel 3-8 and a heating water pipe 3-4 arranged between the inner wall and the outer wall of the stirring barrel 3-8;
the liquid storage tank 1 and the demulsifier storage tank 7 are both connected with the heating stirrer 3 through a conveying pipeline;
the heating stirrer 3 is connected with the centrifuge 4 through a conveying pipeline;
the three-phase centrifuge 4 is respectively connected with a recovery pool 5 and a drilling fluid recovery tank 6 through a conveying pipeline;
the PLC 8 is arranged on the outer side of the wall of the stirring barrel 3-8;
a metering pump I1-1, an electric valve I1-2, a metering pump II 2-1 and an electric valve II 2-2 are respectively arranged on the conveying pipelines among the liquid storage tank 1, the hot water boiler 2 and the heating stirrer;
the hot water boiler 2 is connected with water inlets of heating water pipes 3-4 through a conveying pipeline;
the water outlets of the heating water pipes 3 to 4 are respectively connected with a dilution water inlet of the heating stirrer 3 and a return port of the hot water boiler 2 through a one-to-two pipeline;
a metering pump three 3-1 is arranged on the main path of the one-to-two pipeline, and an electric valve three 3-2 and an electric valve four 3-3 are respectively arranged on the two branches;
the demulsifier storage tank 7 and the conveying pipeline of the heating stirrer 3 are also provided with a flowmeter 7-1 and an electric valve five 7-2;
the metering pump I1-1, the electric valve I1-2, the metering pump II 2-1, the electric valve II 2-2, the metering pump III 3-1, the electric valve III 3-2, the electric valve IV 3-3, the flow meter 7-1 and the electric valve V7-2 are all electrically connected with the PLC 8.
As an optional embodiment, the inner wall of the heating stirrer 3 is also provided with a temperature detection sensor 3-9.
In an alternative embodiment, the temperature detection sensors 3 to 9 are electrically connected to the PLC controller 8.
In an alternative embodiment, the liquid storage tank 1 and the demulsifier storage tank 7 are both connected with the liquid inlet and the liquid inlet of the heating stirrer 3 through conveying pipelines.
The utility model relates to an oil base drilling fluid recovery system's working process as follows: the PLC controller 8 opens the first metering pump 1-1 and the electric valve 1-2 to introduce quantitative oil-based drilling fluid into the heating stirrer 3, then the PLC controller 8 opens the second metering pump 2-1, the second electric valve 2-2, the third metering pump 3-1, the fourth electric valve 3-3 and the fifth electric valve 7-2, hot water in the hot water boiler 2 is sent to the heating water pipe 3-4 of the heating stirrer 2 to start heating the heating stirrer 2, the hot water is sent to the heating stirrer 2 through the second pipeline to dilute the oil drilling fluid, the third metering pump 3-1 in the main pipeline detects that the adding amount of the diluted hot water is finished, the fourth electric valve 3-3 is closed, the electric valve 3-2 is opened to send the heated water in the heating water pipe 3-4 back to the hot water boiler 2, and the demulsifier in the demulsifier storage tank 7 is quantitatively added to the heating stirrer 2, and after the filling amount is finished, the PLC 8 closes the fifth electric control valve 7-2, and after the oil-based drilling fluid is heated and stirred, the oil-based drilling fluid is sent to the three-phase centrifuge 4 for separation, wherein sewage and impurities are discharged into a recovery tank to be solidified, and the drilling fluid is recovered into the drilling fluid recovery tank 6.

Claims (4)

1. An oil-based drilling fluid recovery system which characterized in that: comprises a liquid storage tank (1), a hot water boiler (2), a heating stirrer (3), a three-phase centrifuge (4), a recovery tank (5), a drilling fluid recovery tank (6), a demulsifier storage tank (7) and a PLC (programmable logic controller) (8); wherein:
the heating stirrer (3) comprises a motor (3-5), a stirring rod (3-6), a stirring blade (3-7), a stirring barrel (3-8) and a heating water pipe (3-4) arranged between the inner wall and the outer wall of the stirring barrel (3-8);
the liquid storage tank (1) and the demulsifier storage tank (7) are both connected with the heating stirrer (3) through a conveying pipeline;
the heating stirrer (3) is connected with the centrifuge (4) through a conveying pipeline;
the three-phase centrifuge (4) is respectively connected with the recovery pool (5) and the drilling fluid recovery tank (6) through a conveying pipeline;
the PLC controller (8) is arranged on the outer side of the wall of the stirring barrel (3-8);
a metering pump I (1-1), an electric valve I (1-2), a metering pump II (2-1) and an electric valve II (2-2) are respectively arranged on conveying pipelines among the liquid storage tank (1), the hot water boiler (2) and the heating stirrer;
the hot water boiler (2) is connected with the water inlets of the heating water pipes (3-4) through a conveying pipeline;
the water outlet of the heating water pipe (3-4) is respectively connected with the water inlet of the dilution water of the heating stirrer (3) and the return port of the hot water boiler (2) through a one-to-two pipeline;
a metering pump III (3-1) is arranged on the main path of the one-to-two pipeline, and an electric valve III (3-2) and an electric valve IV (3-3) are respectively arranged on the two branches;
the demulsifier storage tank (7) and the conveying pipeline of the heating stirrer (3) are also provided with a flowmeter (7-1) and an electric valve (7-2);
the metering pump I (1-1), the electric valve I (1-2), the metering pump II (2-1), the electric valve II (2-2), the metering pump III (3-1), the electric valve III (3-2), the electric valve IV (3-3), the flowmeter (7-1) and the electric valve V (7-2) are all electrically connected with the PLC (8).
2. The oil-based drilling fluid recovery system of claim 1, wherein: and a temperature detection sensor (3-9) is also arranged on the inner wall of the heating stirrer (3).
3. The oil-based drilling fluid recovery system of claim 2, wherein: the temperature detection sensors (3-9) are electrically connected with the PLC (8).
4. The oil-based drilling fluid recovery system of claim 3, wherein: the liquid storage tank (1) and the demulsifier storage tank (7) are both connected with the liquid inlet and the feed inlet on the heating stirrer (3) through a conveying pipeline.
CN202020613987.5U 2020-04-22 2020-04-22 Oil-based drilling fluid recovery system Expired - Fee Related CN212479128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020613987.5U CN212479128U (en) 2020-04-22 2020-04-22 Oil-based drilling fluid recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020613987.5U CN212479128U (en) 2020-04-22 2020-04-22 Oil-based drilling fluid recovery system

Publications (1)

Publication Number Publication Date
CN212479128U true CN212479128U (en) 2021-02-05

Family

ID=74449743

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020613987.5U Expired - Fee Related CN212479128U (en) 2020-04-22 2020-04-22 Oil-based drilling fluid recovery system

Country Status (1)

Country Link
CN (1) CN212479128U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116792046A (en) * 2023-08-09 2023-09-22 大庆永铸石油技术开发有限公司 System for separating, recycling and reutilizing weighting agent based on oil-based drilling fluid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116792046A (en) * 2023-08-09 2023-09-22 大庆永铸石油技术开发有限公司 System for separating, recycling and reutilizing weighting agent based on oil-based drilling fluid
CN116792046B (en) * 2023-08-09 2024-02-20 延安金亿通石油工程技术服务有限公司 System for separating, recycling and reutilizing weighting agent based on oil-based drilling fluid

Similar Documents

Publication Publication Date Title
CN107940784B (en) Underground open type heat exchange system and method for middle-deep layer geothermal energy
AU2017204576A1 (en) Produced Fluid Heating and Separation
CN207332838U (en) A kind of self-loopa hot clean-up well wax removal gathering system
CN105422055B (en) A kind of system of co-development natural gas, Water Soluble Gas and gas hydrates
CN212479128U (en) Oil-based drilling fluid recovery system
CN1332195C (en) High temperature, high pressure core dynamic harm valuation test instrument
CN111076094B (en) System for monitoring and avoiding secondary generation in hydrate decomposition process
CN203383786U (en) Closed-loop water distribution, ground watering and pressurization output integrated device
CN2682411Y (en) High temperature and high pressure core dynamic damage evaluation tester
CN204970891U (en) Control circuit of intelligence water dispenser
CN108487882A (en) A kind of production tree device and method for exploitation of gas hydrate
CN2703257Y (en) Intelligent high temperature and high pressure kinetic water loss meter
RU126802U1 (en) MULTI-PHASE MIXTURE TRANSMISSION AND SEPARATION STATION
CN107387022A (en) A kind of gas well Special electromagnetic circulation tubing and casing anti-block apparatus and its application
CN204283341U (en) A kind of sucker rod pump sealing and circulating water mixing wax-proofing apparatus
CN201218093Y (en) Thick oil borehole viscosity-reduction oil-extraction heating apparatus
CN206399765U (en) A kind of closed experimental ring duct device of viscous crude multiphase flow
CN102434120B (en) Back-pressure compensating device for managed-pressure drilling
CN116291324A (en) Natural gas hydrate exploitation shaft temperature and pressure control system and method
CN210489031U (en) Device for simulating horizontal well section rock debris removing effect
CN212750165U (en) Device for simulating phase state switching of oil-in-water/oil-in-water drilling fluid in shaft
CN216691417U (en) Oil-gas-water three-phase mixed transportation pump test system
CN105019868A (en) Seabed combustible ice mining method
CN208419223U (en) Cistern system
CN211652061U (en) Horizontal well AICD intelligence water control valve capability test device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210205

CF01 Termination of patent right due to non-payment of annual fee