CN206158741U - Flash distillation sample bucket is prevented to SAGD oil well high temperature output liquid - Google Patents
Flash distillation sample bucket is prevented to SAGD oil well high temperature output liquid Download PDFInfo
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- CN206158741U CN206158741U CN201621132472.3U CN201621132472U CN206158741U CN 206158741 U CN206158741 U CN 206158741U CN 201621132472 U CN201621132472 U CN 201621132472U CN 206158741 U CN206158741 U CN 206158741U
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- bucket
- flash distillation
- collecting cavity
- liquid collecting
- oil
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Abstract
The utility model provides a flash distillation sample bucket is prevented to SAGD oil well high temperature output liquid, flash distillation sample bucket is prevented to SAGD oil well high temperature output liquid includes: heat transfer chamber and connection the liquid collecting cavity in heat transfer chamber, spiral heat exchange tube, the metal sample bucket sets up in the liquid collecting cavity, first heating panel is located the top and the setting of metal sample bucket are in open -top's top, and first heating panel is located in the liquid collecting cavity, the second heating panel sets up the below of metal sample bucket is and be located in the liquid collecting cavity, the comdenstion water collecting tank sets up the bottom of second heating panel, the exhaust hole sets up and communicate on the lateral wall of liquid collecting cavity outside the liquid collecting cavity, the exhaust hole site in the top of first heating panel. The utility model discloses can prevent flash distillation sample to high temperature output liquid, simple structure big for the high temperature automatic sampler volume of having the sample of conventionality does not have electron device, sample characteristics such as fast.
Description
Technical field
This utility model relates to a kind of viscous crude SAGD well mouth of oil well samplers, and in particular to a kind of oil well of viscous crude SAGD exploitations
The unconventional sampler of well head, the especially a kind of anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid.
Background technology
SAGD (Steam Assisted Gravity Drainage：SAGD) technology is that conventional note steams
Vapour technology is difficult to the ripe development technique of the special thick oil of effective exploitation and super-heavy oil deposit, with well yield high recovery rate height etc.
Feature.Due to its special mining type, producing well bottom hole temperature (BHT) is slightly below vapor chamber temperature, up to 220～230 DEG C, corresponding
160～180 DEG C of wellhead temperature.SAGD well waters are higher, and generally 70～85%, in order to prevent going out in pit shaft and oil pumping barrel
Existing flash distillation affects oil pumping pump work, and producing well well head takes stop valve control to build the pressure operation, Stress control at such a temperature it is right
More than the saturated vapor pressure answered 0.1～0.2MPa, well head oil pressure is generally 1.0MPa～1.4MPa.SAGD well well head High Temperature High Pressure
Operating mode determine that conventional wellhead flowline sampling Calco sampling is difficult and dangerous, flowline pressure and well head oil pressure pressure
Power is unanimously 1.0MPa～1.4MPa, if directly open sampling Calco stood to aqueous in sampling bag or sample bucket discharge production fluid
That is flash distillation, the aqueous distortion of sample, while high-temperature steam is easily hurted sb.'s feelings.
Sampler under the High Temperature High Pressure of existing SAGD oil recovery techniques is by oil cylinder, piston, gear train, motor, cooling
The compositions such as air duct, temperature and pressure transmitter, sampling pipe, sampling electromagnetic valve, single-chip microcomputer.The sampler operation principle is by crude oil
Extract to closed oil cylinder and close sample cock, then lowered the temperature by natural air-cooling system, piston is finally moved again by oil cylinder
Pressure discharges oil sample when being down to close atmospheric pressure, and sampling process is automatically performed need not manually be operated, and the primary sample time is
5min or so.The device can realize that SAGD well head safes are sampled, and each sampling amount is less for 50ml or so, is only used for taking chemical examination
Aqueous specimen.Sample or to crude oil property when a large amount of sampling (typically taking more than 1Kg with sample bucket) chemical examination profit complete analyses are needed
When being sampled chemical examination, there is inapplicable situation in said apparatus, and sample time is long, and single sampling amount is few, it is impossible to meet wellhead
Batten part.
In sum, there is problems with prior art：Prior art adopt the anti-flash distillation of electrical equipment, complex structure,
High cost.
Utility model content
This utility model provides a kind of SAGD High Temperatures In Oil-wells production fluid anti-flash distillation sample bucket, to solve during prior art sampling
Between it is long, single sampling amount is few, it is impossible to meet the problem of wellhead sampling condition.
For this purpose, the utility model proposes a kind of anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid, the SAGD oil wells height
The anti-flash distillation sample bucket of warm production fluid includes：The liquid collecting cavity of heat exchanging chamber and the connection heat exchanging chamber；The heat exchanging chamber and the liquid collecting
Chamber separates setting；The liquid collecting cavity is surrounded by side wall, diapire and roof；
Spiral heat exchange tube, in being arranged on the heat exchanging chamber, the spiral heat exchange tube is provided with sample connection and liquid outlet；
Metal sampler bucket, in being arranged on the liquid collecting cavity, the metal sampler bucket has open top, the open top
The liquid outlet is connected by pipeline；
First heat sink, positioned at the top of the metal sampler bucket and is arranged on the open-topped top, and institute
State the first heat sink to be located in the liquid collecting cavity；
Second heat sink, arranges the lower section of the metal sampler bucket and in the liquid collecting cavity；
Condensed water collecting tank, is arranged on the bottom of second heat sink；
Steam vent, is arranged on the side wall of liquid collecting cavity and is communicated to outside the liquid collecting cavity, and the steam vent is located at institute
State the top of the first heat sink.
Further, first heat sink is taper, and the metal sampler bucket is round tank or rectangle bucket.
Further, radius of the radius of first heat sink more than the metal sampler bucket.
Further, second heat sink is inverted cone, and the radius of second heat sink is more than the described first radiating
The radius of plate.
Further, the liquid collecting cavity is provided with the upper lid that can be opened.
Further, the anti-flash distillation sample bucket of the SAGD High Temperatures In Oil-wells production fluid also includes：Connect entering for the heat exchanging chamber
Water pipe.
Further, the anti-flash distillation sample bucket of the SAGD High Temperatures In Oil-wells production fluid also includes：Connect the row of the heat exchanging chamber
Water pipe.
Further, the water inlet pipe is located at the top of the heat exchanging chamber, and the drain pipe is located at the bottom of the heat exchanging chamber
Portion.
Further, the heat exchanging chamber is fixedly connected with the liquid collecting cavity.
Further, after removing the volume of the spiral heat exchange tube, the net volume of the heat exchanging chamber is 1.5 liters, the gold
The sampling volume of category sample bucket is 1 liter.
Operation principle of the present utility model is such：Connection sample tap and wellhead flowline are supporting when sampling starts
Sample cock, opens sample cock and starts feed liquor.SAGD high temperature production fluid enters the spiral heat exchange tube of heat exchanging chamber and passes through and cool down
Water heat exchange is lowered the temperature, and liquid collecting cavity is entered into by heat exchanging chamber after production fluid heat exchange.In order to ensure that SAGD production fluids enter into liquid collecting
Chamber occurs without flash distillation or a small amount of flash distillation, needs for output liquid temp to be reduced to saturation temperature corresponding under liquid collecting cavity pressure condition
Hereinafter, liquid collecting cavity pressure is atmospheric pressure, and corresponding saturation temperature is 100 DEG C, so needing for output liquid temp to be reduced to 100
Below DEG C.Crude oil enters into sample bucket from liquid outlet, because production fluid is tentatively lowered the temperature, will not go out thus into sample bucket
Now a large amount of flash distillations.Realize that a small amount of flash steam condensation enters into the condensed water collecting tank of bottom in liquid collecting cavity, associated gas passes through aerofluxuss
Mouth is discharged outside chamber.
Pre-feasibility calculating is carried out to this utility model, it is contemplated that the excessive cooling water intensification of sampling amount is higher, while taking
Sampling device will have certain portability, and each sampling amount is designed as 1kg, and aqueous is 80%.Heat exchanging chamber stores cooling water
1.5kg, it is assumed that heat complete exchange, production fluid is reduced to 100 DEG C of heats for being discharged and is all absorbed by cooling water by 160 DEG C,
That is formula (1).
QProduce=QWater (1)
And the heat Q of production fluid releaseProduceIt is aqueous discharged heat Q in production fluidWThe heat Q discharged with oil-containingOIt
With i.e. formula (2).
QProduce=QW+QO (2)
Qw=mw × △ Hw (3)
QO=mo × [1.6848 × (T2—T1)+0.00391×(T2 2—T1 2)/2] (4)
Wherein mw is quality aqueous in production fluid, and △ Hw become for the corresponding heat enthalpy value of aqueous temperature change in production fluid
Change, mo is to contain oil quality, T in production fluid2For 160 DEG C of production fluid initial temperature, T1For 120 DEG C of temperature after production fluid heat exchange, pass through
Calculate QProduceFor 232.7kJ, the heat is all released to cooling water, and cooling water temperature can be increased to 56.8 DEG C from 20 DEG C.
This utility model by being arranged on the heat exchanging chamber in spiral heat exchange tube heat exchange cooling method realize that anti-flash distillation takes
Sample is operated, and there is no electrical equipment, and heat exchange low-temperature receiver is water, with simple structure, the characteristics of easy to operate.Heat exchanging chamber inside is full of
Replaceable cooling water is used to lower the temperature production fluid, and liquid collecting cavity is mainly used for the collection of sample and gas is separated.
This utility model can carry out anti-flash distillation sampling to high temperature production fluid, relative to conventional high temperature automatic sampling utensil
Have that sampling amount is big, simple structure without electronic device, sample rate is fast the features such as.
Description of the drawings
Fig. 1 is the operation principle schematic diagram of the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid of the present utility model.
Drawing reference numeral explanation：
1st, heat exchanging chamber；2nd, liquid collecting cavity；3rd, sample connection；4th, spiral heat exchange tube；5th, water inlet pipe；6th, drain pipe；7th, first dissipates
Hot plate；8th, the second heat sink；9th, condensed water collecting tank；10th, steam vent；11st, metal sampler bucket；12nd, top cover screw buckle；13rd, it is solid
Determine the liquid outlet of connecting portion 14
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated
This utility model.
As shown in figure 1, the anti-flash distillation sample bucket of the SAGD High Temperatures In Oil-wells production fluid of the present utility model is used for well head temperature
The production fluid sampling of 160～180 DEG C of degree, the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-well production fluids includes：Heat exchanging chamber 1 and connection are described
The liquid collecting cavity 2 of heat exchanging chamber；The heat exchanging chamber 1 and the liquid collecting cavity 2 separate setting；Heat exchanging chamber 1 be arranged on the liquid collecting cavity 2 it
Outward；The liquid collecting cavity is surrounded by side wall, diapire and roof；
Spiral heat exchange tube 4, in being arranged on the spiral heat exchange tube 1, the spiral heat exchange tube 1 is provided with sample connection 3 and goes out
Liquid mouth 14；
Metal sampler bucket 11, in being arranged on the liquid collecting cavity 2, the metal sampler bucket 11 has open top, the top
Portion's opening connects the liquid outlet by pipeline；
First heat sink 7, positioned at the top of the metal sampler bucket 11 and is arranged on the open-topped top, and
First heat sink 11 is located in the liquid collecting cavity 2；
Second heat sink 8, arranges the lower section of the metal sampler bucket 11 and in the liquid collecting cavity 2；
First heat sink 7 and the second heat sink 8 can be aluminium alloy heat sink, to improve radiating efficiency；
Condensed water collecting tank 9, is arranged on the bottom of second heat sink 8, for collecting condensed water；
Steam vent 10, is arranged on the side wall of liquid collecting cavity 2 and is communicated to outside the liquid collecting cavity 2, with atmosphere；Institute
Steam vent 10 is stated positioned at the top of first heat sink 7.
Further, first heat sink 7 is taper, the cone of the first heat sink 7 at top, so as to condensed water it is downward
In flowing into liquid collecting cavity 2, the metal sampler bucket 11 is round tank or rectangle bucket, to make and to sample.
Further, the radius of first heat sink 7 is more than the radius of the metal sampler bucket 11, to condense water energy
Enough flow outside metal sampler bucket 11, so as to smoothly flow into liquid collecting cavity 2 in.
Further, second heat sink 8 is inverted cone, and cone is more than in bottom, the radius of second heat sink 8
The radius of first heat sink 7, is carried out again so that the water condensed out from the first heat sink 7 fully enters the second heat sink 8
Secondary cooling.
Further, the liquid collecting cavity 2 is provided with the upper lid that can be opened.For example, the side wall at the top of liquid collecting cavity 2 is provided with
Top cover screw buckle 12, to realize tightening and opening for upper lid.
Further, the anti-flash distillation sample bucket of the SAGD High Temperatures In Oil-wells production fluid also includes：Connect entering for the heat exchanging chamber 1
Water pipe 5, so that heat exchanging chamber 1 obtains cooling water.
Further, the anti-flash distillation sample bucket of the SAGD High Temperatures In Oil-wells production fluid also includes：Connect the row of the heat exchanging chamber 1
Water pipe 6, to discharge the cooling water after exchanging heat.
Further, the water inlet pipe 5 is located at the top of the heat exchanging chamber 1, and the drain pipe 6 is located at the heat exchanging chamber 1
Bottom, with facilitate water inlet and draining.
Further, heat exchanging chamber 1 is fixedly connected liquid collecting cavity 2, to be convenient for carrying and use.
Further, after removing the volume of the spiral heat exchange tube 4, the net volume of the heat exchanging chamber is 1.5 liters, the gold
The sampling volume of category sample bucket is 1 liter.In such manner, it is possible to there is enough cooling effectiveness, it is thus possible to sampled in a large number.
Utility model works process is as follows：
SAGD high temperature production fluid is entered in spiral heat exchange tube 4 from sample connection 3, by exchanging heat after exchanging heat with cooling water
Chamber 1 enters into liquid collecting cavity 2, enters in metal sampler bucket 11 from liquid outlet 14, and common plastics sample bucket cannot meet SAGD
The storage of high temperature production fluid, selects in addition metal sampler bucket to can aid in radiating.Production fluid is entered into still can after sample bucket 11
There is part flash steam, flash steam rising runs into be condensed after the first heat sink 7 and flows downward, and condenses again to the second heat sink 8 poly-
Collection.Because production fluid enters into liquid collecting cavity reduced pressure, part associated gas can be come out from sample bucket, associated gas runs into aluminum
Alloy heat-sink plate will not be condensed into water to be continued to rise from outside the discharge chamber of associated gas air vent 10.Sample liquid collecting cavity 2 after terminating
The condensed water that bottom is gathered is connected with sample bucket 11, condensed water is drained into into sample bucket 11, it is ensured that water content is not lost, if merely
Crude oil sample is taken, condensed water can not be reclaimed.
Sampling amount of the present utility model is far longer than sampling bag sampling amount, and sample rate is fast, simple to operate, without electrically
Element, can meet to chemically examine crude oil property or the crude oil sampling required for other assays.
This utility model carries out production fluid cooling by the way of water-cooled heat exchange, and low-temperature receiver is facilitated and changes simple.
Below the temperature that this utility model is down to output liquid temp corresponding to saturated vapor pressure, prevent flash distillation from measuring vapour greatly
Hurt sb.'s feelings.
The schematic specific embodiment of this utility model is the foregoing is only, model of the present utility model is not limited to
Enclose.Can be mutually combined under conditions of not conflicting for each ingredient of the present utility model, any those skilled in the art,
Done equivalent variations and modification, all should belong to this practicality new on the premise of without departing from design of the present utility model and principle
The scope of type protection.
Claims (10)
1. the anti-flash distillation sample bucket of a kind of SAGD High Temperatures In Oil-wells production fluid, it is characterised in that
The anti-flash distillation sample bucket of the SAGD High Temperatures In Oil-wells production fluid includes：The liquid collecting cavity of heat exchanging chamber and the connection heat exchanging chamber；Institute
State heat exchanging chamber and the liquid collecting cavity separates setting；The liquid collecting cavity is surrounded by side wall, diapire and roof；
Spiral heat exchange tube, in being arranged on the heat exchanging chamber, the spiral heat exchange tube is provided with sample connection and liquid outlet；
Metal sampler bucket, in being arranged on the liquid collecting cavity, the metal sampler bucket has open top, and the open top passes through
Pipeline connects the liquid outlet；
First heat sink, positioned at the top of the metal sampler bucket and is arranged on the open-topped top, and described
One heat sink is located in the liquid collecting cavity；
Second heat sink, arranges the lower section of the metal sampler bucket and in the liquid collecting cavity；
Condensed water collecting tank, is arranged on the bottom of second heat sink；
Steam vent, is arranged on the side wall of liquid collecting cavity and is communicated to outside the liquid collecting cavity, and the steam vent is located at described the
The top of one heat sink.
2. the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid as claimed in claim 1, it is characterised in that first radiating
Plate is taper, and the metal sampler bucket is round tank or rectangle bucket.
3. the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid as claimed in claim 2, it is characterised in that first radiating
Radius of the radius of plate more than the metal sampler bucket.
4. the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid as claimed in claim 2, it is characterised in that second radiating
Plate is inverted cone, and the radius of second heat sink is more than the radius of first heat sink.
5. the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid as claimed in claim 1, it is characterised in that on the liquid collecting cavity
It is provided with the upper lid that can be opened.
6. the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid as claimed in claim 1, it is characterised in that the SAGD oil wells
The anti-flash distillation sample bucket of high temperature production fluid also includes：Connect the water inlet pipe of the heat exchanging chamber.
7. the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid as claimed in claim 6, it is characterised in that the SAGD oil wells
The anti-flash distillation sample bucket of high temperature production fluid also includes：Connect the drain pipe of the heat exchanging chamber.
8. the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid as claimed in claim 7, it is characterised in that the water inlet pipe position
In the top of the heat exchanging chamber, the drain pipe is located at the bottom of the heat exchanging chamber.
9. the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid as claimed in claim 1, it is characterised in that the heat exchanging chamber and
The liquid collecting cavity is fixedly connected.
10. the anti-flash distillation sample bucket of SAGD High Temperatures In Oil-wells production fluid as claimed in claim 1, it is characterised in that remove the spiral shell
After the volume of rotation heat exchanger tube, the net volume of the heat exchanging chamber is 1.5 liters, and the sampling volume of the metal sampler bucket is 1 liter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621132472.3U CN206158741U (en) | 2016-10-18 | 2016-10-18 | Flash distillation sample bucket is prevented to SAGD oil well high temperature output liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621132472.3U CN206158741U (en) | 2016-10-18 | 2016-10-18 | Flash distillation sample bucket is prevented to SAGD oil well high temperature output liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158741U true CN206158741U (en) | 2017-05-10 |
Family
ID=58654788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621132472.3U Active CN206158741U (en) | 2016-10-18 | 2016-10-18 | Flash distillation sample bucket is prevented to SAGD oil well high temperature output liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158741U (en) |
-
2016
- 2016-10-18 CN CN201621132472.3U patent/CN206158741U/en active Active
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