CN208161088U

CN208161088U - A kind of fluidized bed type integration oil-based drill cuttings extraction equipment

Info

Publication number: CN208161088U
Application number: CN201820330365.4U
Authority: CN
Inventors: 张兖驹
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-10
Filing date: 2018-03-10
Publication date: 2018-11-30
Anticipated expiration: 2028-03-10

Abstract

The utility model discloses a kind of fluidized bed type integration oil-based drill cuttings extraction equipments, including：Extraction container, feed system, discharge system, extraction fluid circulation, vacuum filtration system and steam inlet system；The equally distributed multiple blenders of setting in extraction container, top setting drilling cuttings import, extract liquor import and the air hole of extraction container, drilling cuttings import is connect with feed system, cuttings outlets, steam inlet, suction filtration mouth and cycling extraction liquid import is arranged in bottom, cuttings outlets are connect with discharge system, steam inlet is connect with steam inlet system, suction filtration mouth with vacuum filtration system connect, extraction fluid circulation respectively with the import of cycling extraction liquid and be arranged in extraction container top cycling extraction liquid export connection.The utility model concentrates on the operations such as drilling cuttings charging, discharging, mixing, extraction, separation of solid and liquid, drilling cuttings purified treatment in extraction equipment, and equipment investment cost reduces, and improves production time efficiency and treatment effect while controlling security risk.

Description

A kind of fluidized bed type integration oil-based drill cuttings extraction equipment

Technical field

The utility model belongs to petrochemical industry environment protection treating technical field, and in particular to a kind of oilfield drilling production in the process Raw oil-based drill cuttings extraction process unit.

Background technique

It is passed through frequently with oil-base mud during oilfield drilling to guarantee the safe and efficient of drilling technology, oil base mud after complete well The mixtures such as slurry and earth cuttings, crude oil, various chemical addition agents have been classified as danger wastes, it is necessary to be handled.Due to ground It is lauched the protection of equal subterranean resource and the limitation of technology and cost, domestic and international land bored well generallys use concentration storage, safety is filled out Bury, be heat-treated, the way of distillation processing the methods of processing.The processing cost of security landfill is low, but is only closed to pollutant And isolation, pollutant cannot be completely eliminated, environmental risk is still very big, moreover, either reinjection into reservoir or security landfill, all Contained mineral oil can not be recycled, the significant wastage of resource is caused；The oil-based drill cuttings processing method technique such as heat treatment, way of distillation is multiple Miscellaneous, at high cost, general oilfield enterprise is difficult to bear.

Solvent extraction is a kind of important harmless treatment process technology, and the oil content in oil-based drill cuttings is down to standard In range, reach environmental protection standard, has the advantages that no high temperature incineration, oil base raw material are recyclable.But conventional extraction processing work Skill long flow path, process equipment are more, effect of extracting is poor, equipment investment is big, extracting reagent with low boiling point leakage point is more, it is difficult to really realize work Industry continuous operation constrains the popularization and application that extraction process is handled in oil-based drill cuttings.

Utility model content

One purpose of the utility model is to solve at least the above problems and/or defect, and provide and at least will be described later The advantages of.

There are one the limitations that purpose is for conventional extraction device for the utility model, provide a kind of completely new fluidisation Bed integration oil-based drill cuttings extraction equipment.

In order to realize these purposes and other advantages of the utility model, a kind of fluidized bed type integration oil-based drill cuttings are provided Extraction equipment comprising：Extraction container, feed system, discharge system, extraction fluid circulation, vacuum filtration system and steam Input system.

Wherein, the one or more equally distributed blenders of setting in the extraction container, the top setting of extraction container Drilling cuttings import, extract liquor import and air hole, drilling cuttings import are connect with feed system, bottom be arranged cuttings outlets, steam inlet, Suction filtration mouth and cycling extraction liquid import, cuttings outlets are connect with discharge system, and steam inlet is connect with steam inlet system, are filtered Mouthful connect with vacuum filtration system, extract fluid circulation respectively with the import of cycling extraction liquid and extraction container top is set Cycling extraction liquid outlet connection.

Preferably, the extraction container bottom is set as taper, specially vertical conical extractor.

Preferably, the cuttings outlets are located at the bottom of taper, and steam inlet, suction filtration mouth and cycling extraction liquid import are equal Lower part positioned at taper is close to cuttings outlets.

Preferably, the feed system includes drilling cuttings input equipment, and feeding line, feeding line both ends are separately connected brill Consider input equipment and drilling cuttings import to be worth doing, close drilling cuttings entrance is equipped with import barrier valve group on feeding line.

Preferably, the discharge system includes the discharging pipeline connecting with cuttings outlets, discharging pipeline other end connection Drilling cuttings output equipment is equipped with control of export valve group at the cuttings outlets on the pipeline that discharges.

Preferably, the extraction fluid circulation includes circulating pump, the liquid suction pipe and outlet tube connecting with circulating pump, is taken out Liquid pipe passes through the outlet of cycling extraction liquid and extends to extraction container inner extraction liquid ullage, and is equipped with centainly in drawing liquid pipe end The flexible pipe of length, flexible pipe end connect the buoyancy tank gone up and down with liquid level, and outlet tube is divided into two branch pipes by triple valve, and first Branch pipe connects the import of cycling extraction liquid, and the second branch pipe is as extract liquor outlet mouth.

Preferably, the circulating pump is sand pump, screw pump or plunger pump.

Preferably, fluid jetting head is also set up in cycling extraction liquid entrance.

Preferably, the vacuum filtration system include the strainer being arranged in suction filtration mouth, the gas-liquid that is connect with suction filtration mouth Knockout drum, gas-liquid separation tank top are equipped with exhaust pipe, and bottom is equipped with drain pipe, and the exhaust pipe other end extends in extraction container Portion space, is provided with vacuum pump on exhaust line.

Preferably, steam inlet system includes steam generation facility, is connect by steam pipeline with steam inlet, Steam jet is also set up at steam inlet.

Compared with prior art, the utility model has the advantages that：

One is controlled using vertical conical extractor and drilling cuttings inlet and outlet shutdown, solves mass disposal, closed extraction The problem of, implementation phase large capacity, totally-enclosed oil-based drill cuttings extract operation；

Secondly, using bottom stirring and circulating pump base injcction extract liquor cooperatively form fluidized bed, solve drilling cuttings Density (is greater than 2.0g/cm³) and extract liquor density (be lower than 1.0g/cm³) it is difficult to the problem of being sufficiently mixed contact, enhance solid-liquid The mixing efficiency of phase, to improve effect of extracting；

Thirdly, realized and be separated by solid-liquid separation using vacuum filtration mode, liquid content in drilling cuttings after reduction processing；

Four, it is passed through the mode of steam in tank, extract liquor remaining in tank is heated to boiling point or more, volatile matter is from tank deck Permeability cell discharge, while condensed water is precipitated and deposits upwards from pot bottom, further displacement goes out oily substance, improves drilling cuttings extraction Effect；

Therefore, by vertical conical bottom tank batch closing caching, bottom stirring, the injection of bottom extract liquor, vacuum filtration, tank Steam heating removes extracting reagent with low boiling point, and multi-functional processing is realized in same set of extraction equipment, simplifies process, reduces throwing Cost is provided, improves production time efficiency and treatment effect while controlling security risk.

The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through Research and practice to the utility model and be understood by the person skilled in the art.

Detailed description of the invention

The structural schematic diagram of Fig. 1, fluidized bed type integration oil-based drill cuttings extraction equipment.

Figure label：

Extraction container 1, control of export valve group 3, drilling cuttings input equipment 4, drilling cuttings output equipment 5, stirs import barrier valve group 2 Mix device 6, circulating pump 7, fluid jetting head 8a, steam jet 8b, buoyancy tank 9, vacuum pump 10, knockout drum 11, strainer 12, exhaust pipe 13, drain pipe 14, steam pipeline 15, permeability cell 16, extract liquor import 17, feed pipe 18, discharge nozzle 19, steam generation facility 20, liquid suction pipe 21, flexible pipe 22, support frame 23, triple valve 24.

Specific embodiment

The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation Book text can be implemented accordingly.

It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more The presence or addition of a other elements or combinations thereof.

As shown in Figure 1, the utility model provides a kind of fluidized bed type integration oil-based drill cuttings extraction equipment comprising： Extraction container 1, feed system, discharge system, extraction fluid circulation, vacuum filtration system and steam inlet system.

Wherein, 1 bottom of extraction container is set as taper, specially vertical conical extractor, is provided on tank body Support frame 23 is used to support fixed tank body.The one or more equally distributed blenders 6 of setting in extraction container 1.Blender can One-point or multi-point installation is solved using multiple spot bottom agitating mode because solid phase is heavy caused by solid concentration is high, density variation is big Product lamination problem.Top setting drilling cuttings import, extract liquor import 17 and the air hole of extraction container 1, air hole connection permeability cell 16.Drilling cuttings import is connect with feed system, and the feed system includes drilling cuttings input equipment 4, feed pipe 18,18 both ends of feed pipe It is separately connected drilling cuttings input equipment and drilling cuttings import, close drilling cuttings entrance is equipped with import barrier valve group 2 on feed pipe.Extraction is held Cuttings outlets, steam inlet, suction filtration mouth and cycling extraction liquid import is arranged in 1 bottom of device.It further limits, the cuttings outlets position In the bottom of taper, steam inlet, suction filtration mouth and cycling extraction liquid import are respectively positioned on the lower part of taper close to cuttings outlets.It is following Ring extract liquor entrance also sets up fluid jetting head 8a.Cuttings outlets are connect with discharge system, and the discharge system includes and drilling cuttings The discharge nozzle 19 of connection is exported, the discharge nozzle other end connects drilling cuttings output equipment 5, is equipped at cuttings outlets on discharge nozzle Mouth control valve group 3.

Extraction fluid circulation respectively with the import of cycling extraction liquid and the cycling extraction liquid on extraction container top be set Mouth connection.The extraction fluid circulation includes circulating pump 7, the liquid suction pipe 21 and outlet tube connecting with circulating pump, liquid suction pipe 21 Extraction container inner extraction liquid ullage is extended to across the outlet of cycling extraction liquid, and is equipped with a fixed length in 21 end of liquid suction pipe The flexible pipe 22 of degree, flexible pipe end connect the buoyancy tank 9 gone up and down with liquid level, and outlet tube is divided into two branch pipes by triple valve 24, First branch pipe connects the import of cycling extraction liquid, and second branch pipe is as extract liquor outlet mouth.The circulating pump 7 is sand pump, screw rod Pump or plunger pump.Using 7 forced circulation extract liquor of circulating pump, simultaneously using the light liquid phase of buoyancy tank control liquid suction pipe suction top density Enter from pot bottom jet stream, forms fluidized bed state with mechanical stirring synergy, enhance the mixing efficiency of solid liquid phase, thus Improve effect of extracting.

Steam inlet is connect with steam inlet system, and steam inlet system includes steam generation facility 20, passes through steam Delivery pipe 15 is connect with steam inlet, and steam jet 8b is also set up at steam inlet.

Suction filtration mouth with vacuum filtration system connect, the vacuum filtration system include the strainer 12 being arranged in suction filtration mouth, The knockout drum 11 being connected to suction filtration mouth, exhaust pipe 13 is equipped at the top of knockout drum 11, and bottom is equipped with drain pipe 14, drain Pipe is connected to extract liquor regenerative system, recycles by regeneration.It is empty that 13 other end of exhaust pipe extends to extraction container internal upper part Between, vacuum pump 10 is provided on exhaust pipe.10 type of vacuum pump uses water-ring vacuum pump or the pump for being suitable for organic gas Type.

The use operating method of above-mentioned oil-based drill cuttings extraction equipment is as follows：

Step 1 designs device treatment scale, manufacture extraction can body, and mating installation blender, control according to production requirement The adjunct processes equipment such as valve group processed, pump, pipeline, make it have production and operation condition；

When step 2, extraction operation, 1 outlet at bottom pipeline control valve group 3 of extractor is first closed, is pumped into design flow in tank Extract liquor, opens top inlet piping inlet control valve group 2, and the oil-based drill cuttings of design flow are packed by starting drilling cuttings input equipment 4 In extractor 1, import barrier valve group 2 is closed；

Step 3, starting blender 6, the buoyancy tank 9 of confirmation material-pumping tube end are in liquid phase, are started circulating pump 7, are adjusted three Port valve 24 opens the first branch pipe, and the second branch pipe is closed, and extract liquor is extracted out out of tank, again from tank base after pressurization It is injected into tank body in fluid jetting head 8a, solid-liquid in tank is made to form fluidized bed state；

Step 4 after the operating energy loss time, closes circulating pump 7, stops stirring, material in tank point after standing a period of time It is two layers, upper layer is liquid phase, and lower layer is solid-state drilling cuttings；Then regulating three-way valve 24 closes the first branch pipe, and the second branch pipe is opened, Extract liquor in tank is discharged starting circulating pump 7；It is then turned on vacuum pump 10, the extract liquor in solid-state drilling cuttings is extracted out laggard through suction filtration mouth Enter in knockout drum 11 and pump to regenerative system, permeability cell 16 is located at the top of extractor, to keep extractor external and internal pressure flat Weighing apparatus；

Step 5 opens steam generation facility 20, is passed through steam from tank bottom, and permeability cell 16 at the top of extractor is kept to be in smooth Extract liquor remaining in tank is heated to boiling point or more by logical state, steam, and volatile matter is discharged from tank deck permeability cell；

Step 6 after being passed through steam to design time, shuts down steam generation facility 20, opens control of export valve group 3, in tank Drilling cuttings enters drilling cuttings output equipment 5 under the effect of gravity, and extraction is completed duty cycle.

Therefore, above-mentioned extraction equipment is by the operations list such as charging, discharging, mixing, extraction, separation of solid and liquid, drilling cuttings purified treatment Member concentrates in a set of process unit, and equipment investment is greatly reduced, control security risk while improve production time efficiency and Treatment effect.

It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above Listed utilization.It can be applied to various fields suitable for the present invention completely.For those skilled in the art, Other modifications may be easily implemented.Therefore without departing from the general concept defined in the claims and the equivalent scope, this reality It is not limited to specific details and legend shown and described herein with novel.

Claims

1. a kind of fluidized bed type integration oil-based drill cuttings extraction equipment, which is characterized in that including：Extraction container, goes out feed system Material system, extraction fluid circulation, vacuum filtration system and steam inlet system；

The one or more equally distributed blenders of setting in the extraction container, the top setting drilling cuttings import of extraction container, Extract liquor import and air hole, drilling cuttings import are connect with feed system, bottom be arranged cuttings outlets, steam inlet, suction filtration mouth and Cycling extraction liquid import, cuttings outlets are connect with discharge system, and steam inlet is connect with steam inlet system, suction filtration mouth and vacuum With the import of cycling extraction liquid and the cycling extraction on extraction container top is arranged in respectively in the connection of suction filtration system, extraction fluid circulation Liquid outlet connection.

2. fluidized bed type integration oil-based drill cuttings extraction equipment as described in claim 1, which is characterized in that the extraction container Bottom is set as taper.

3. fluidized bed type integration oil-based drill cuttings extraction equipment as claimed in claim 2, which is characterized in that the cuttings outlets Positioned at the bottom of taper, steam inlet, suction filtration mouth and cycling extraction liquid import are respectively positioned on the lower part of taper close to cuttings outlets.

4. fluidized bed type integration oil-based drill cuttings extraction equipment as claimed in claim 3, which is characterized in that the feed system Including drilling cuttings input equipment, feed pipe, feed pipe both ends are separately connected drilling cuttings input equipment and drilling cuttings import, close on feed pipe Drilling cuttings entrance is equipped with control valve group.

5. fluidized bed type integration oil-based drill cuttings extraction equipment as claimed in claim 4, which is characterized in that the discharge system Including the discharge nozzle connecting with cuttings outlets, the discharge nozzle other end connects drilling cuttings output equipment, close cuttings outlets on discharge nozzle Place is equipped with control valve group.

6. fluidized bed type integration oil-based drill cuttings extraction equipment as claimed in claim 3, which is characterized in that the extract liquor follows Loop system includes circulating pump, the liquid suction pipe and outlet tube connecting with circulating pump, and liquid suction pipe passes through the outlet of cycling extraction liquid and extends to Extraction container inner extraction liquid ullage is equipped with the flexible pipe of certain length in drawing liquid pipe end, the connection of flexible pipe end with The buoyancy tank of liquid level lifting, outlet tube are divided into two branch pipes by triple valve, and a branch pipe is connected to cycling extraction liquid import, another A branch pipe is as extract liquor outlet mouth.

7. fluidized bed type integration oil-based drill cuttings extraction equipment as claimed in claim 6, which is characterized in that the circulating pump is Sand pump, screw pump or plunger pump.

8. fluidized bed type integration oil-based drill cuttings extraction equipment as claimed in claim 6, which is characterized in that in cycling extraction liquid Entrance also sets up fluid jetting head.

9. fluidized bed type integration oil-based drill cuttings extraction equipment as claimed in claim 3, which is characterized in that the vacuum filtration The knockout drum that system includes the strainer being arranged in suction filtration mouth, is connected to suction filtration mouth, gas-liquid separation tank top are equipped with exhaust Pipe, bottom are equipped with drain pipe, and the exhaust pipe other end extends to extraction container inner upper space, vacuum is provided on exhaust line Pump.

10. fluidized bed type integration oil-based drill cuttings extraction equipment as claimed in claim 3, which is characterized in that steam input system System includes steam generation facility, is connect by steam pipeline with steam inlet, steam jet is also set up at steam inlet.