CN107939379A - A kind of thick oil heat production steam injection well inhales vapour water swelling elastomer detection method and system - Google Patents
A kind of thick oil heat production steam injection well inhales vapour water swelling elastomer detection method and system Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 229920001971 elastomer Polymers 0.000 title claims abstract description 63
- 239000000806 elastomer Substances 0.000 title claims abstract description 63
- 230000008961 swelling Effects 0.000 title claims abstract description 63
- 238000010793 Steam injection (oil industry) Methods 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 71
- 238000012360 testing method Methods 0.000 claims abstract description 65
- 238000002347 injection Methods 0.000 claims abstract description 52
- 239000007924 injection Substances 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims description 24
- 241000209094 Oryza Species 0.000 claims description 15
- 235000007164 Oryza sativa Nutrition 0.000 claims description 15
- 235000009566 rice Nutrition 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 abstract description 2
- 238000003012 network analysis Methods 0.000 abstract description 2
- 230000000875 corresponding effect Effects 0.000 description 26
- 239000003921 oil Substances 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
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- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Control Of Turbines (AREA)
Abstract
The present invention discloses a kind of thick oil heat production steam injection well and inhales vapour water swelling elastomer detection method and system, which, which inhales vapour water swelling elastomer detection method, includes：Test equipment is transferred in tubing string and obtains the temperature, pressure data of fluid and test well section secondary speed value in tubing string；Fluid state in tubing string is determined according to the temperature, pressure data；Each perforation Ceng Dingdi circle secondary speeds and corresponding injection quantity of steam are determined according to test well section secondary speed value；The suction vapour water swelling elastomer of each perforation layer is determined according to fluid state, each perforation Ceng Dingdi circle secondary speeds and corresponding injection quantity of steam in the tubing string.The thick oil heat production steam injection well inhale vapour water swelling elastomer detection method and system can each perforated interval of network analysis (perforation layer) inhale vapour water swelling elastomer, provide foundation so as to be analyzed for steam injection efficiency evaluation and reservoir producing status.
Description
Technical field
The present invention relates to the Technology of Heavy Oil Recovery field, more particularly to a kind of thick oil heat production steam injection well to inhale the detection of vapour water swelling elastomer
Method and system.
Background technology
Viscous crude refers under formation condition that viscosity is more than 50 mpas, or degassed crude viscosity is under reservoir temperature
The high viscosity heavy crude of 1000~10000 mpas.
In oilfield development process, since viscous crude has the characteristics such as viscosity height and poor fluidity, use steam injection heating power more
Mining type is exploited.Since each reservoir properties difference is big, vapour (water suction) situation of suction certainly exists difference, therefore understands each
The suction vaporous condition of a reservoir is extremely important, very big to instructing oil field production steam injection to have the function that, but does not have energy yet at present
The technology that enough suction vapour water swelling elastomers to each reservoir are detected.
The content of the invention
In view of the deficiencies in the prior art, it is an object of the present invention to provide a kind of thick oil heat production steam injection well to inhale the detection of vapour water swelling elastomer
Method and system, so as to each perforated interval of network analysis (perforation layer) inhales vapour water swelling elastomer, so as to be evaluated for steam injection efficiency
And the analysis of reservoir producing status provides foundation.
To reach above-mentioned purpose, the present invention uses following scheme：
A kind of thick oil heat production steam injection well inhales vapour water swelling elastomer detection method, including：
Test equipment is transferred in tubing string and obtains the temperature, pressure data of fluid and test well section secondary speed in tubing string
Value；
Fluid state in tubing string is determined according to the temperature, pressure data；
Each perforation Ceng Dingdi circle secondary speeds and corresponding injection steam are determined according to test well section secondary speed value
Amount；
According to fluid state, each perforation Ceng Dingdi circle secondary speeds and corresponding injection steam in the tubing string
Amount determines the suction vapour water swelling elastomer of each perforation layer.
As a preferred embodiment, the step that fluid state in tubing string is determined according to the temperature, pressure data
Suddenly include：
It is steam condition that tube fluid is determined when the temperature, pressure data meet the following formula；And in the temperature
Degree pressure data is unsatisfactory for determining that tube fluid is high-temperature-hot-water state during the following formula；
T ± Δs T=195.94P0.225-17.8
Wherein, T is the temperature value in tubing string, DEG C；P be tubing string in pressure value, MPa；Δ T is temperature error, DEG C；
It is correspondingly, described according to fluid state in the tubing string, each perforation Ceng Dingdi circle secondary speeds and right
The injection quantity of steam answered determines that the suction vapour water swelling elastomer step of each perforation layer includes：
When tube fluid is steam condition, the suction vaporous condition of each perforation layer is calculated；
When tube fluid is high-temperature-hot-water, the water swelling elastomer of each perforation layer is calculated；
There is steam in partial completion layer, when partial completion layer has high-temperature-hot-water, more than high-temperature-hot-water position
Perforation layer absorbs whole steam treatments, and calculates the suction vaporous condition of each perforation layer more than high-temperature-hot-water position.
As a preferred embodiment, described determine each perforation Ceng Dingdi circle according to test well section secondary speed value
The step of secondary speed and corresponding injection quantity of steam, includes：
Horn mouth to secondary speed between the first perforation Ceng Ding circle is averaged, which is denoted as the first perforation Ceng Ding circle turbines and turns
Fast Ro, corresponding total injection quantity of steam Q；Secondary speed is averaged between first perforation Ceng Di circle and the second perforation Ceng Ding circle, the value
The secondary speed value R1 of the first perforation Ceng Di circle is denoted as, then the first perforation layer secondary speed difference DELTA R1=Ro-R1, corresponding first
Perforation layer injection quantity of steam Q1；Secondary speed is averaged between second perforation Ceng Di circle and the 3rd perforation Ceng Ding circle, the value conduct
The secondary speed value R2 of second perforation Ceng Di circle, then the second perforation layer secondary speed difference DELTA R2=R1-R2, corresponds to the second perforation
Layer injection quantity of steam Q2；The rest may be inferred, until the perforated zone that all test well sections are related to is disposed.
As a preferred embodiment, further include：With two connect completely perforation layer when, then take contact surface whirlpool
Wheel speed is as two perforation Ceng Dingdi circle secondary speeds.
As a preferred embodiment, further include：When the whole following secondary speed of perforation layer still remains, rounding
Secondary speed average value below a perforation layer is denoted as benchmark secondary speed Ra, then the secondary speed value of whole perforation layer record is equal
Subtract Ra.
As a preferred embodiment, in the temperature that test equipment is transferred in tubing string and obtains fluid in tubing string
In pressure data and test well section secondary speed value step, the test equipment includes temperature, pressure tester and turbine
Flowmeter.
As a preferred embodiment, the temperature, pressure tester is at the uniform velocity transferred in tubing string and is obtained in tubing string
The temperature, pressure data of fluid；The lowering velocity of the temperature, pressure tester is within 360 ms/min.
As a preferred embodiment, the turbine flowmeter is at the uniform velocity transferred in tubing string and obtains test well section whirlpool
Wheel speed value；Lowering velocity of the turbine flowmeter more than horn mouth within 30 ms/min, below horn mouth under
Speed is put within 10 ms/min.
As a preferred embodiment, when fluid state is steam condition in the tubing string, steam condition is calculated
The suction vaporous condition of corresponding perforation layer；The suction vaporous state includes inhaling vapour percentage, steam absorbing amount, inhales vapour intensity；And utilize as follows
Formula, which calculates, to be inhaled vapour percentage, steam absorbing amount, inhales vapour intensity；
In above formula, aiTo inhale vapour percentage, zero dimension；R0Make even for horn mouth to secondary speed between the first perforation Ceng Ding circle
Average, revolutions per second；ΔRiFor the difference of i-th of perforation Ceng Dingdi circle secondary speed, revolutions per second；
In above formula, QiFor i-th of perforation layer steam absorbing amount, ton hour；Q is steam injection well well head steam injection, ton hour；
In above formula, biTo inhale vapour intensity, ton hour/rice；hiFor i-th of perforation layer effective thickness, rice.
As a preferred embodiment, when fluid state is steam condition in the tubing string, steam condition is calculated
The water swelling elastomer of corresponding perforation layer；The water suction state includes water suction percentage, water absorption, injection index；And utilize as follows
Formula calculates water suction percentage, water absorption, injection index；
In above formula, aiFor the percentage that absorbs water, zero dimension；R0Make even for horn mouth to secondary speed between the first perforation Ceng Ding circle
Average, revolutions per second；ΔRiFor the difference of i-th of perforation Ceng Dingdi circle secondary speed, revolutions per second；
In above formula, QiFor i-th of perforation layer water absorption, ton hour；Q is wellhead of water injection well steam injection, ton hour；
In above formula, biFor injection index, ton hour/rice；hiFor i-th of perforation layer effective thickness, rice.
As a preferred embodiment, further include：Determine the state that is hampered of the test equipment decentralization process；
It is correspondingly, described according to fluid state in the tubing string, each perforation Ceng Dingdi circle secondary speeds and right
The injection quantity of steam answered determines that the suction vapour water swelling elastomer step of each perforation layer is：
According to fluid state in the tubing string, the state that is hampered, each perforation Ceng Dingdi circle secondary speeds and
Corresponding injection quantity of steam determines the suction vapour water swelling elastomer of each perforation layer.
As a preferred embodiment, the state that is hampered for determining the test equipment decentralization process includes：
When test equipment decentralization depth is not reaching to last perforation layer, the position that is hampered in the test equipment decentralization process is determined；
It is correspondingly, described according to fluid state, the state that is hampered, each perforation Ceng Dingdi circle whirlpools in the tubing string
Wheel speed and corresponding injection quantity of steam determine that the suction vapour water swelling elastomer step of each perforation layer includes：
When being hampered position between two perforation layers, then the suction of each perforation layer more than position that determines to be hampered respectively
Vaporous condition, and comprehensive suction vaporous condition is calculated the perforation layer below the position that is hampered.
As a preferred embodiment, the state that is hampered for determining the test equipment decentralization process includes：
When test equipment decentralization depth is not reaching to last perforation layer, the position that is hampered in the test equipment decentralization process is determined；
It is correspondingly, described according to fluid state, the state that is hampered, each perforation Ceng Dingdi circle whirlpools in the tubing string
Wheel speed and corresponding injection quantity of steam determine that the suction vapour water swelling elastomer step of each perforation layer includes：In the position that is hampered at certain
When inside a perforation layer, then the suction vapour situation of each perforation layer more than the perforation layer is calculated, and to the perforation layer and its following
Perforation layer calculate and comprehensive inhale vaporous condition.
The state that is hampered for determining the test equipment decentralization process includes：The comprehensive vaporous condition of inhaling includes comprehensive inhale
Vapour percentage, comprehensive steam absorbing amount, comprehensive suction vapour intensity；The synthesis inhales vaporous condition calculation formula：
az=1- ∑s ai；
Wherein, azVapour percentage, a are inhaled to be comprehensiveiFor the suction vapour percentage of more than position that is hampered i-th of perforation layer；
Qz=Q- ∑s Qi；
Wherein, QzFor comprehensive steam absorbing amount, QiFor more than the position that is hampered i-th of perforation layer water absorption, ton hour；Q is water filling
Well well head steam injection, ton hour；
Iz=Qz/Hz；
Wherein, IzVapour intensity, h are inhaled to be comprehensivezFor the effective thickness of the following perforation layer in the position that is hampered, rice.
A kind of thick oil heat production steam injection well inhales vapour water swelling elastomer detecting system, including：
Acquisition module, the temperature, pressure data of fluid and test in tubing string are obtained for transferring test equipment in tubing string
Well section secondary speed value；
Fluid state determining module, for determining fluid state in tubing string according to the temperature, pressure data；
First computing module, for according to test well section secondary speed value determine each perforation Ceng Dingdi circle secondary speeds with
And corresponding injection quantity of steam；
Second computing module, for according to fluid state, each perforation Ceng Dingdi circle secondary speeds in the tubing string
And corresponding injection quantity of steam determines the suction vapour water swelling elastomer of each perforation layer.
In summary as can be seen that the application corresponds to turbine flow metering rotating speed according to perforated interval top bottom depth
Interval divides, and using analytic approach of successively decreasing, establishes a set of thick oil heat production steam injection well and inhales vapour state testing method, this method further contemplates
Whether instrument is hampered and is hampered position difference etc. in test process, and judges in tubing string according to temperature, pressure data in tubing string
Fluid state, and then judge specific suction vapour water suction situation, there is very important practical value.
With reference to following explanation and attached drawing, only certain exemplary embodiments of this invention is disclose in detail, specifies the original of the present invention
Reason can be in a manner of adopted.It should be understood that embodiments of the present invention are not so limited in scope.In appended power
In the range of the spirit and terms that profit requires, embodiments of the present invention include many changes, modifications and are equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
Used in a other embodiment, it is combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more further features, one integral piece, step or component.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is that one embodiment of the present invention provides a kind of thick oil heat production steam injection well suction vapour water swelling elastomer detection method flow
Figure；
Fig. 2 is that another embodiment of the present invention provides a kind of thick oil heat production steam injection well suction vapour water swelling elastomer detection method stream
Cheng Tu；
Fig. 3 is that another embodiment of the present invention provides a kind of thick oil heat production steam injection well suction vapour water swelling elastomer detection method stream
Cheng Tu；
Fig. 4 is that another embodiment of the present invention provides a kind of thick oil heat production steam injection well suction vapour water swelling elastomer detecting system mould
Block schematic diagram.
Embodiment
In order to make those skilled in the art more fully understand the technical solution in the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this area is common
Technical staff's all other embodiments obtained on the premise of creative work is not made, should all belong to guarantor of the present invention
The scope of shield.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood implication of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
The arbitrary and all combination of relevant Listed Items.
Please refer to Fig.1, Fig. 3, one embodiment of the present invention provides a kind of thick oil heat production steam injection well and inhales the inspection of vapour water swelling elastomer
Survey method, includes the following steps：
S10, transfer the temperature, pressure data of fluid in test equipment acquisition tubing string in tubing string and test well section turbine
Tachometer value.
In step S10, the test equipment includes temperature, pressure tester and turbine flowmeter.Specifically,
The temperature, pressure tester is at the uniform velocity transferred in tubing string and obtains the temperature, pressure data of fluid in tubing string；The temperature, pressure is surveyed
The lowering velocity of instrument is tried within 360 ms/min.
The turbine flowmeter is at the uniform velocity transferred in tubing string and obtains test well section secondary speed value；The turbine flowmeter
Lowering velocity more than horn mouth is within 30 ms/min, and the lowering velocity below horn mouth is within 10 ms/min.
S20, according to the temperature, pressure data determine fluid state in tubing string.
In step S20, fluid state can be divided into high-temperature-hot-water state, steam condition in tubing string, and then according to height
Water state is warmed, steam condition calculates corresponding water swelling elastomer or inhales vaporous condition.
S30, according to test well section secondary speed value determine each perforation Ceng Dingdi circle secondary speeds and corresponding injection
Quantity of steam；
It is described that each perforation Ceng Dingdi circle secondary speeds are determined according to test well section secondary speed value in step S30
And corresponding the step of injecting quantity of steam, includes：
Horn mouth to secondary speed between the first perforation Ceng Ding circle is averaged, which is denoted as the first perforation Ceng Ding circle turbines and turns
Fast Ro, corresponding total injection quantity of steam Q；Secondary speed is averaged between first perforation Ceng Di circle and the second perforation Ceng Ding circle, the value
The secondary speed value R1 of the first perforation Ceng Di circle is denoted as, then the first perforation layer secondary speed difference DELTA R1=Ro-R1, corresponding first
Perforation layer injection quantity of steam Q1；Secondary speed is averaged between second perforation Ceng Di circle and the 3rd perforation Ceng Ding circle, the value conduct
The secondary speed value R2 of second perforation Ceng Di circle, then the second perforation layer secondary speed difference DELTA R2=R1-R2, corresponds to the second perforation
Layer injection quantity of steam Q2；The rest may be inferred, until the perforated zone that all test well sections are related to is disposed.
Further, step S30 is further included：With two connect completely perforation layer when, then take contact surface turbine to turn
Speed is used as two perforation Ceng Dingdi circle secondary speeds.
Further, step S30 is further included：When the whole following secondary speed of perforation layer still remains, rounding is penetrated
Secondary speed average value below aperture layer is denoted as benchmark secondary speed Ra, then the secondary speed value of whole perforation layer record subtracts
Ra。
It should be noted that between step S30 and step S20 and indefinite front and rear execution sequence, the two can be former
Order performs afterwards, can also perform at the same time, the application is simultaneously not intended to be limited in any.
S40, according to fluid state, each perforation Ceng Dingdi circle secondary speeds and corresponding injection in the tubing string
Quantity of steam determines the suction vapour water swelling elastomer of each perforation layer.
Wherein, when fluid state is steam condition in the tubing string, the suction vapour of perforation layer corresponding to steam condition is calculated
Situation；The suction vaporous state includes inhaling vapour percentage, steam absorbing amount, inhales vapour intensity；And utilization equation below calculating suction vapour percentage,
Steam absorbing amount, inhale vapour intensity；
In above formula, aiTo inhale vapour percentage, zero dimension；R0Make even for horn mouth to secondary speed between the first perforation Ceng Ding circle
Average, revolutions per second；ΔRiFor the difference of i-th of perforation Ceng Dingdi circle secondary speed, revolutions per second；
In above formula, QiFor i-th of perforation layer steam absorbing amount, ton hour；Q is steam injection well well head steam injection, ton hour；
In above formula, biTo inhale vapour intensity, ton hour/rice；hiFor i-th of perforation layer effective thickness, rice.
Wherein, when fluid state is steam condition in the tubing string, the water suction of perforation layer corresponding to steam condition is calculated
Situation；The water suction state includes water suction percentage, water absorption, injection index；And utilization equation below calculating water suction percentage,
Water absorption, injection index；
In above formula, aiFor the percentage that absorbs water, zero dimension；R0Make even for horn mouth to secondary speed between the first perforation Ceng Ding circle
Average, revolutions per second；ΔRiFor the difference of i-th of perforation Ceng Dingdi circle secondary speed, revolutions per second；
In above formula, QiFor i-th of perforation layer water absorption, ton hour；Q is wellhead of water injection well steam injection, ton hour；
In above formula, biFor injection index, ton hour/rice；hiFor i-th of perforation layer effective thickness, rice.
Embodiment of continuing from the preceding paragraph describes, in the step that fluid state in tubing string is determined according to the temperature, pressure data
Suddenly in (i.e. described step S20), it is steam condition that tube fluid is determined when the temperature, pressure data meet the following formula；With
And determine that tube fluid is high-temperature-hot-water state when the temperature, pressure data are unsatisfactory for the following formula；
T ± Δs T=195.94P0.225-17.8
Wherein, T is the temperature value in tubing string, DEG C；P be tubing string in pressure value, MPa；Δ T is temperature error, DEG C；
Furthermore it is also possible to fluid state is judged according to the pressure value and the positive negative correlativing relation of temperature value obtained.Specifically,
The temperature value obtained while the test pressure value of acquisition gradually increases is gradually reduced (the two is negatively correlated), then judges in tubing string
The fluid state of relevant position (position for pressure and temperature negative correlation occur) is high-temperature-hot-water.Wherein, Δ T can be according to steam injection
Tubing string historical test data determines, or determines based on experience value, it is preferred that Δ T can be less than 5 degrees Celsius, specifically, Δ
T is 2 degrees Celsius.
It is correspondingly, described according to fluid state in the tubing string, each perforation Ceng Dingdi circle secondary speeds and right
The injection quantity of steam answered determines that the suction vapour water swelling elastomer step (i.e. described step S40) of each perforation layer includes：In tube fluid
When being steam condition, the suction vaporous condition of each perforation layer is calculated.When tube fluid is high-temperature-hot-water, each perforation is calculated
The water swelling elastomer of layer.There is steam in partial completion layer, when partial completion layer has high-temperature-hot-water, according to high-temperature-hot-water position with
On perforation layer absorb whole steam treatments, and the suction vaporous condition for calculating each perforation layer more than high-temperature-hot-water position (and is pressed
It is allocated according to percentage).
In a preferred embodiment, as shown in Figure 2 and Figure 3, it is the various situations occurred in reply test process, protects
Card test smoothly completes, and it is further comprising the steps of which inhales vapour water swelling elastomer detection method：
S25, the state that is hampered for determining the test equipment decentralization process.
It is correspondingly, described according to fluid state in the tubing string, each perforation Ceng Dingdi circle secondary speeds and right
The injection quantity of steam answered determines that the suction vapour water swelling elastomer step of each perforation layer is：According to fluid state in the tubing string, described
Be hampered state, each perforation Ceng Dingdi circle secondary speeds and the corresponding suction vapour for injecting quantity of steam and determining each perforation layer
Water swelling elastomer.
In a specific embodiment, shown in Fig. 3, the step S25 includes：It is not reaching in test equipment decentralization depth
During last perforation layer, the position that is hampered in the test equipment decentralization process is determined.
It is correspondingly, described according to fluid state, the state that is hampered, each perforation Ceng Dingdi circle whirlpools in the tubing string
Wheel speed and corresponding injection quantity of steam determine that the suction vapour water swelling elastomer step of each perforation layer includes：
When being hampered position between two perforation layers, then the suction of each perforation layer more than position that determines to be hampered respectively
Vaporous condition, and comprehensive suction vaporous condition is calculated the perforation layer below the position that is hampered.
In another feasible embodiment, as shown in figure 3, the step S25 includes：Do not have in test equipment decentralization depth
When reaching last perforation layer, the position that is hampered in the test equipment decentralization process is determined.
It is correspondingly, described according to fluid state, the state that is hampered, each perforation Ceng Dingdi circle whirlpools in the tubing string
Wheel speed and corresponding injection quantity of steam determine that the suction vapour water swelling elastomer step of each perforation layer includes：In the position that is hampered at certain
When inside a perforation layer, then the suction vapour situation of each perforation layer more than the perforation layer is calculated, and to the perforation layer and its following
Perforation layer calculate and comprehensive inhale vaporous condition.
Wherein, for above-described embodiment, comprehensive vaporous condition of inhaling can be comprehensive suction vapour percentage, comprehensive steam absorbing amount, synthesis
Inhale vapour intensity.Specifically, the synthesis inhales vaporous condition is considered as single perforation layer by all perforation layers below the position that is hampered, so that its
Percentage more than the position that is hampered be able to can be calculated by calculating after the suction vaporous condition of each perforation layer according to parameters total value
The synthesis inhales vaporous condition.
As shown in figure 3, the comprehensive vaporous condition of inhaling inhales vapour percentage, comprehensive steam absorbing amount, comprehensive suction vapour intensity including comprehensive；
The synthesis inhales vaporous condition calculation formula：az=1- ∑s ai；Wherein, azVapour percentage, a are inhaled to be comprehensiveiFor more than the position that is hampered
The suction vapour percentage of i perforation layer；Qz=Q- ∑s Qi；Wherein, QzFor comprehensive steam absorbing amount, QiFor more than the position that is hampered i-th of perforation
Layer water absorption, ton hour；Q is wellhead of water injection well steam injection, ton hour；Iz=Qz/Hz；Wherein, IzIt is strong for comprehensive suction vapour
Degree, hzFor the effective thickness of the following perforation layer in the position that is hampered, rice.
In summary as can be seen that present embodiment carries out turbine flow metering rotating speed according to perforated interval top bottom depth
Corresponding interval division, using analytic approach of successively decreasing, establishes a set of thick oil heat production steam injection well and inhales vapour state testing method, this method is also
Consider whether instrument is hampered and is hampered position difference etc. in test process, and judge pipe according to temperature, pressure data in tubing string
Fluid state in column, and then judge specific suction vapour (water) situation, there is very important practical value.
As shown in figure 4, another embodiment of the present invention, which also provides a kind of thick oil heat production steam injection well, inhales the inspection of vapour water swelling elastomer
Examining system, including：Acquisition module 100, the temperature, pressure data for obtaining fluid in tubing string for transferring test equipment in tubing string
And test well section secondary speed value；Fluid state determining module 200, for being determined according to the temperature, pressure data in tubing string
Fluid state；First computing module 300, for determining that each perforation Ceng Dingdi circle turbines turn according to test well section secondary speed value
Fast and corresponding injection quantity of steam；Second computing module 400, for according to fluid state in the tubing string, described each penetrate
Aperture layer Ding Di circle secondary speeds and corresponding injection quantity of steam determine the suction vapour water swelling elastomer of each perforation layer.
The thick oil heat production steam injection well inhales vapour water swelling elastomer detecting system and may be referred to above-mentioned thick oil heat production steam injection well suction vapour suction
The description of aqueous condition detection method, is no longer repeated herein.
In summary as can be seen that present embodiment considers that instrument is hampered and the different situations such as fluid state in tubing string, build
Set of system thick oil heat production steam injection well is found and has inhaled vaporous condition detection system, so as to be steam injection efficiency evaluation and reservoir producing status point
Analysis provides foundation.
Herein cited any digital value all include between lower limit to upper limit value with the lower value of an incremented and
The all values of upper value, there are the interval of at least two units between any lower value and any much higher value.For example, such as
Fruit elaborates that the quantity of component or the value of process variable (such as temperature, pressure, time etc.) are from 1 to 90, preferably from 20
To 80, more preferably from 30 to 70, then purpose is arrived in order to illustrate also clearly listing such as 15 to 85,22 in the specification
68th, 43 to 51,30 to 32 is equivalent.For the value less than 1, it is 0.0001,0.001,0.01,0.1 suitably to think a unit.
These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible to
Combination is all expressly set forth in the specification in a similar manner.
Unless otherwise indicated, all scopes all include all numerals between endpoint and endpoint.It is used together with scope
" about " or " approximation " be suitable for two endpoints of the scope.Thus, " about 20 to 30 " are intended to covering " about 20 to about
30 ", including at least the endpoint indicated.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Identified element, component, component or step and reality should be included by describing the term " substantially by ... form " of combination
Other elements, component, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, component, component or step it is also contemplated that substantially by these elements, component, component
Or the embodiment that step is formed.Here by using term " can with ", it is intended to it is described any to illustrate that " can with " includes
Attribute is all optional.
Multiple element, component, component or step can be provided by single integrated component, component, component or step.It is alternative
Ground, single integrated component, component, component or step can be divided into separated multiple element, component, component or step.It is used for
The open "a" or "an" for describing element, component, component or step is not said to exclude other elements, component, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
State, many embodiments and many applications outside the example provided all will be aobvious and easy for a person skilled in the art
See.Therefore, the scope of this teaching should not be determined with reference to foregoing description, but should with reference to appended claims and this
The four corner of the equivalent that a little claims are possessed determines.It is for comprehensive purpose, all articles and special with reference to including
The disclosure of profit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part for subject matter.
Claims (15)
1. a kind of thick oil heat production steam injection well inhales vapour water swelling elastomer detection method, it is characterised in that including：
Test equipment is transferred in tubing string and obtains the temperature, pressure data of fluid and test well section secondary speed value in tubing string；
Fluid state in tubing string is determined according to the temperature, pressure data；
Each perforation Ceng Dingdi circle secondary speeds and corresponding injection quantity of steam are determined according to test well section secondary speed value；
It is true according to fluid state, each perforation Ceng Dingdi circle secondary speeds and corresponding injection quantity of steam in the tubing string
The suction vapour water swelling elastomer of fixed each perforation layer.
2. thick oil heat production steam injection well as claimed in claim 1 inhales vapour water swelling elastomer detection method, it is characterised in that：
Described the step of determining fluid state in tubing string according to the temperature, pressure data, includes：
It is steam condition that tube fluid is determined when the temperature, pressure data meet the following formula；And in the temperature pressure
Force data is unsatisfactory for determining that tube fluid is high-temperature-hot-water state during the following formula；
T ± Δs T=195.94P0.225-17.8
Wherein, T is the temperature value in tubing string, DEG C；P be tubing string in pressure value, MPa；Δ T is temperature error, DEG C；
It is correspondingly, described according to fluid state in the tubing string, each perforation Ceng Dingdi circle secondary speeds and corresponding
Injection quantity of steam determines that the suction vapour water swelling elastomer step of each perforation layer includes：
When tube fluid is steam condition, the suction vaporous condition of each perforation layer is calculated；
When tube fluid is high-temperature-hot-water, the water swelling elastomer of each perforation layer is calculated；
There is steam in partial completion layer, when partial completion layer has high-temperature-hot-water, according to perforation more than high-temperature-hot-water position
Layer absorbs whole steam treatments, and calculates the suction vaporous condition of each perforation layer more than high-temperature-hot-water position.
3. thick oil heat production steam injection well as claimed in claim 1 inhales vapour water swelling elastomer detection method, it is characterised in that：The basis
Test well section secondary speed value determines that the step of each perforation Ceng Dingdi circle secondary speeds and corresponding injection quantity of steam includes：
Horn mouth to secondary speed between the first perforation Ceng Ding circle is averaged, which is denoted as the first perforation Ceng Ding circle secondary speeds
Ro, corresponding total injection quantity of steam Q；Secondary speed is averaged between first perforation Ceng Di circle and the second perforation Ceng Ding circle, value note
For the secondary speed value R1 of the first perforation Ceng Di circle, then the first perforation layer secondary speed difference DELTA R1=Ro-R1, corresponds to first and penetrates
Aperture layer injection quantity of steam Q1；Secondary speed is averaged between second perforation Ceng Di circle and the 3rd perforation Ceng Ding circle, and the value is as
The secondary speed value R2 of two perforation Ceng Di circle, then the second perforation layer secondary speed difference DELTA R2=R1-R2, corresponds to the second perforation layer
Inject quantity of steam Q2；The rest may be inferred, until the perforated zone that all test well sections are related to is disposed.
4. thick oil heat production steam injection well as claimed in claim 3 inhales vapour water swelling elastomer detection method, it is characterised in that：Further include：
With two connect completely perforation layer when, then take contact surface secondary speed as two perforation Ceng Dingdi circle secondary speeds.
5. thick oil heat production steam injection well as claimed in claim 3 inhales vapour water swelling elastomer detection method, it is characterised in that：Further include：
When the whole following secondary speed of perforation layer still remains, the secondary speed average value below rounding perforation layer is denoted as benchmark whirlpool
Wheel speed Ra, then the secondary speed value that whole perforation layer records subtract Ra.
6. thick oil heat production steam injection well as claimed in claim 1 inhales vapour water swelling elastomer detection method, it is characterised in that：It is described
Decentralization test equipment obtains the temperature, pressure data of fluid in tubing string and tests in well section secondary speed value step, institute in tubing string
Stating test equipment includes temperature, pressure tester and turbine flowmeter.
7. thick oil heat production steam injection well as claimed in claim 6 inhales vapour water swelling elastomer detection method, it is characterised in that：In tubing string
At the uniform velocity transfer the temperature, pressure tester and obtain the temperature, pressure data of fluid in tubing string；The temperature, pressure tester
Lowering velocity is within 360 ms/min.
8. thick oil heat production steam injection well as claimed in claim 6 inhales vapour water swelling elastomer detection method, it is characterised in that：In tubing string
At the uniform velocity transfer the turbine flowmeter and obtain test well section secondary speed value；Under the turbine flowmeter is more than horn mouth
Speed is put within 30 ms/min, the lowering velocity below horn mouth is within 10 ms/min.
9. thick oil heat production steam injection well as claimed in claim 2 inhales vapour water swelling elastomer detection method, it is characterised in that：In the pipe
When fluid state is steam condition in column, the suction vaporous condition of perforation layer corresponding to steam condition is calculated；The suction vaporous state includes
Inhale vapour percentage, steam absorbing amount, inhale vapour intensity；And calculated using equation below and inhale vapour percentage, steam absorbing amount, inhale vapour intensity；
<mrow>
<msub>
<mi>a</mi>
<mi>i</mi>
</msub>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>&Delta;R</mi>
<mi>i</mi>
</msub>
</mrow>
<msub>
<mi>R</mi>
<mn>0</mn>
</msub>
</mfrac>
<mo>&times;</mo>
<mn>100</mn>
<mi>%</mi>
</mrow>
In above formula, aiTo inhale vapour percentage, zero dimension；R0It is averaged for horn mouth to secondary speed between the first perforation Ceng Ding circle,
Revolutions per second；ΔRiFor the difference of i-th of perforation Ceng Dingdi circle secondary speed, revolutions per second；
<mrow>
<msub>
<mi>Q</mi>
<mi>i</mi>
</msub>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>&Delta;R</mi>
<mi>i</mi>
</msub>
</mrow>
<msub>
<mi>R</mi>
<mn>0</mn>
</msub>
</mfrac>
<mi>Q</mi>
</mrow>
In above formula, QiFor i-th of perforation layer steam absorbing amount, ton hour；Q is steam injection well well head steam injection, ton hour；
<mrow>
<msub>
<mi>b</mi>
<mi>i</mi>
</msub>
<mo>=</mo>
<mfrac>
<msub>
<mi>Q</mi>
<mi>i</mi>
</msub>
<msub>
<mi>h</mi>
<mi>i</mi>
</msub>
</mfrac>
</mrow>
In above formula, biTo inhale vapour intensity, ton hour/rice；hiFor i-th of perforation layer effective thickness, rice.
10. thick oil heat production steam injection well as claimed in claim 2 inhales vapour water swelling elastomer detection method, it is characterised in that：Described
When fluid state is steam condition in tubing string, the water swelling elastomer of perforation layer corresponding to steam condition is calculated；The water suction state bag
Include water suction percentage, water absorption, injection index；And calculate water suction percentage, water absorption, injection index using equation below；
<mrow>
<msub>
<mi>a</mi>
<mi>i</mi>
</msub>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>&Delta;R</mi>
<mi>i</mi>
</msub>
</mrow>
<msub>
<mi>R</mi>
<mn>0</mn>
</msub>
</mfrac>
<mo>&times;</mo>
<mn>100</mn>
<mi>%</mi>
</mrow>
In above formula, aiFor the percentage that absorbs water, zero dimension；R0It is averaged for horn mouth to secondary speed between the first perforation Ceng Ding circle,
Revolutions per second；ΔRiFor the difference of i-th of perforation Ceng Dingdi circle secondary speed, revolutions per second；
<mrow>
<msub>
<mi>Q</mi>
<mi>i</mi>
</msub>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>&Delta;R</mi>
<mi>i</mi>
</msub>
</mrow>
<msub>
<mi>R</mi>
<mn>0</mn>
</msub>
</mfrac>
<mi>Q</mi>
</mrow>
In above formula, QiFor i-th of perforation layer water absorption, ton hour；Q is wellhead of water injection well steam injection, ton hour；
<mrow>
<msub>
<mi>b</mi>
<mi>i</mi>
</msub>
<mo>=</mo>
<mfrac>
<msub>
<mi>Q</mi>
<mi>i</mi>
</msub>
<msub>
<mi>h</mi>
<mi>i</mi>
</msub>
</mfrac>
</mrow>
In above formula, biFor injection index, ton hour/rice；hiFor i-th of perforation layer effective thickness, rice.
11. the thick oil heat production steam injection well as described in claim 9 or 10 inhales vapour water swelling elastomer detection method, it is characterised in that：Also
Including：Determine the state that is hampered of the test equipment decentralization process；
It is correspondingly, described according to fluid state in the tubing string, each perforation Ceng Dingdi circle secondary speeds and corresponding
Injection quantity of steam determines that the suction vapour water swelling elastomer step of each perforation layer is：
According to fluid state, the state that is hampered, each perforation Ceng Dingdi circle secondary speeds and correspondence in the tubing string
Injection quantity of steam determine the suction vapour water swelling elastomer of each perforation layer.
12. thick oil heat production steam injection well as claimed in claim 11 inhales vapour water swelling elastomer detection method, it is characterised in that：It is described true
The state that is hampered of the fixed test equipment decentralization process includes：Last perforation layer is not reaching in test equipment decentralization depth
When, determine the position that is hampered in the test equipment decentralization process；
Correspondingly, described turn according to fluid state, the state that is hampered, each perforation Ceng Dingdi circle turbines in the tubing string
Fast and corresponding injection quantity of steam determines that the suction vapour water swelling elastomer step of each perforation layer includes：
When being hampered position between two perforation layers, then the suction vaporous of each perforation layer more than position that determines to be hampered respectively
Condition, and comprehensive suction vaporous condition is calculated the perforation layer below the position that is hampered.
13. thick oil heat production steam injection well as claimed in claim 11 inhales vapour water swelling elastomer detection method, it is characterised in that：It is described true
The state that is hampered of the fixed test equipment decentralization process includes：Last perforation layer is not reaching in test equipment decentralization depth
When, determine the position that is hampered in the test equipment decentralization process；
Correspondingly, described turn according to fluid state, the state that is hampered, each perforation Ceng Dingdi circle turbines in the tubing string
Fast and corresponding injection quantity of steam determines that the suction vapour water swelling elastomer step of each perforation layer includes：Being hampered, position is penetrated at some
When inside aperture layer, then the suction vapour situation of each perforation layer more than the perforation layer is calculated, and to the perforation layer and its following penetrate
Aperture layer calculates comprehensive suction vaporous condition.
14. the thick oil heat production steam injection well as described in claim 12 or 13 inhales vapour water swelling elastomer detection method, it is characterised in that：Institute
State comprehensive vaporous condition of inhaling and inhale vapour percentage, comprehensive steam absorbing amount, comprehensive suction vapour intensity including comprehensive；The synthesis inhales vaporous condition and calculates public affairs
Formula is：
az=1- ∑s ai；
Wherein, azVapour percentage, a are inhaled to be comprehensiveiFor the suction vapour percentage of more than position that is hampered i-th of perforation layer；
Qz=Q- ∑s Qi；
Wherein, QzFor comprehensive steam absorbing amount, QiFor more than the position that is hampered i-th of perforation layer water absorption, ton hour；Q is water injection well well
Mouth steam injection, ton hour；
Iz=Qz/Hz；
Wherein, IzVapour intensity, h are inhaled to be comprehensivezFor the effective thickness of the following perforation layer in the position that is hampered, rice.
15. a kind of thick oil heat production steam injection well inhales vapour water swelling elastomer detecting system, it is characterised in that including：
Acquisition module, the temperature, pressure data of fluid and test well section in tubing string are obtained for transferring test equipment in tubing string
Secondary speed value；
Fluid state determining module, for determining fluid state in tubing string according to the temperature, pressure data；
First computing module, for determining each perforation Ceng Dingdi circle secondary speeds and right according to test well section secondary speed value
The injection quantity of steam answered；
Second computing module, for according to fluid state in the tubing string, each perforation Ceng Dingdi circle secondary speeds and
Corresponding injection quantity of steam determines the suction vapour water swelling elastomer of each perforation layer.
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| CN108825178B (en) * | 2018-06-01 | 2020-11-03 | 中国石油天然气股份有限公司 | Perforation method and device |
| CN112836343A (en) * | 2021-01-06 | 2021-05-25 | 中国石油天然气股份有限公司 | Oil reservoir exploitation condition evaluation method and device for heavy oil steam injection well |
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