CN208334134U - System for determining thickness of reservoir boundary layer - Google Patents
System for determining thickness of reservoir boundary layer Download PDFInfo
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- CN208334134U CN208334134U CN201820675017.0U CN201820675017U CN208334134U CN 208334134 U CN208334134 U CN 208334134U CN 201820675017 U CN201820675017 U CN 201820675017U CN 208334134 U CN208334134 U CN 208334134U
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- 238000005481 NMR spectroscopy Methods 0.000 claims abstract description 21
- 239000013307 optical fiber Substances 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 27
- 238000001228 spectrum Methods 0.000 claims description 21
- 238000005119 centrifugation Methods 0.000 claims description 20
- 239000011148 porous material Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 7
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- 238000012512 characterization method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
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- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The embodiment of the application discloses a system for determining the thickness of a reservoir boundary layer. The system comprises: the device comprises a host device, three photoelectric converters, a nuclear magnetic resonance device, a low-temperature adsorption device and a centrifugal device; the host equipment is connected with the electro-optical converter through a cable, the electro-optical converter is connected with the photoelectric converter through an optical fiber, and the three photoelectric converters are respectively connected with the nuclear magnetic resonance equipment, the low-temperature adsorption equipment and the centrifugal equipment. The technical scheme provided by the embodiment of the application can improve the accuracy of the determined thickness of the reservoir boundary layer.
Description
Technical field
This application involves petroleum drilling technology field, in particular to a kind of system of determining reservoir boundaries thickness degree.
Background technique
Compact reservoir pore structure, clay complex distribution, the interaction in reservoir between solid liquid interface and liquid-liquid interface
It is larger to fluid seepage effect, when the ratio of the boundary layer thickness of compact reservoir and rock venturi is larger, to the shadow of seepage flow
Sound is stronger.A large amount of scholar did theory and experimental study about boundary layer thickness both at home and abroad, and main means have micro-pipe test, is micro-
Pearl experiment etc..The shortcoming of these means are as follows: the size majority of micro-pipe experiment and micro-pipe and microballon in microballon experiment can not
Reach nanoscale, and rock in micro-pipe and the more difficult truly characterization reservoir of microballon, is also just unable to characterize rock pore structure, mine
The influence to boundary layer such as object composition and surface nature, the accuracy so as to cause identified reservoir boundaries thickness degree are lower.
Utility model content
The system that the purpose of the embodiment of the present application is to provide a kind of determining reservoir boundaries thickness degree, to improve identified cause
The accuracy of the boundary layer thickness of close reservoir.
In order to solve the above technical problems, the system that the embodiment of the present application provides a kind of determining reservoir boundaries thickness degree is in this way
It realizes:
A kind of system of determining reservoir boundaries thickness degree, the system comprises: host equipment, three photoelectric converters, three
A electric light converter, nuclear magnetic resonance equipment, cryogenic absorption equipment and centrifugation apparatus；Wherein, the host equipment by cable with
The electric light converter is connected, and the electric light converter is connected by optical fiber with the photoelectric converter, three light
Electric transducer is connected with the nuclear magnetic resonance equipment, the cryogenic absorption equipment and the centrifugation apparatus respectively；
The cryogenic absorption equipment is used to obtain the distribution of pores data and specific surface of the target core sample of purpose reservoir
Product；
The centrifugation apparatus is for carrying out the first centrifugal treating and the to the first core sample and the second core sample respectively
Two centrifugal treatings；
The nuclear magnetic resonance equipment is used to detect before the first centrifugal treating and the first core sample after the first centrifugal treating
Lateral relaxation time spectrum and the second centrifugal treating before and the second centrifugal treating after the second core sample transverse relaxation when
Between compose；Wherein, first core sample is used to characterize the target core sample under saturated-water phase；
The host equipment is for controlling the centrifugation apparatus to first core sample and second core sample
Centrifugal treating, according to before first centrifugal treating and first centrifugal treating after the first core sample transverse relaxation
The lateral relaxation time of the second core sample before time spectrum, the second centrifugal treating and after the second centrifugal treating is composed and described
The specific surface area of the distribution of pores data of target core sample and the target core sample determines the target core sample
Fetter water film thickness and constraint oil film thickness.
In preferred embodiment, the photoelectric converter includes: optical module.
It include: opto-electronic device, functional circuit and optical interface in the optical module in preferred embodiment.
In preferred embodiment, the system also includes oscillographs；
The oscillograph is connected with the electrical signal of the host equipment, for detecting the host equipment output
Electric signal.
In preferred embodiment, the system also includes spectrometers；
The spectrometer is connected with the nuclear magnetic resonance equipment, for showing the transverse direction of the nuclear magnetic resonance equipment detection
Relaxation time spectrum.
In preferred embodiment, the system also includes wavelength division multiplexers；
The wavelength division multiplexer is connected with the electric light converter, the photoelectric converter respectively, for the electricity
A variety of optical signals of photoconverter output carry out synthesis processing, and to synthesis, treated that optical signal carries out separating treatment, generates
A variety of optical signals.
In preferred embodiment, the system also includes fully-differential amplifiers；
The fully-differential amplifier is connected with the electrical signal of the host equipment, the electric light converter respectively
It connects, the electric signal for exporting to the host equipment amplifies processing.
In preferred embodiment, the system also includes circulators；The circulator respectively with the electric light converter, the light
Electric transducer is connected.
As can be seen from the technical scheme provided by the above embodiments of the present application, determining reservoir boundaries layer provided by the embodiments of the present application
The system of thickness, can by the cryogenic absorption equipment obtain purpose reservoir target core sample distribution of pores data and
Specific surface area；The centrifugation apparatus can be controlled by the host equipment to first core sample and second rock core
The centrifugal treating of sample, then pass through first before the nuclear magnetic resonance equipment the first centrifugal treating of detection and after the first centrifugal treating
The cross of the second core sample before the lateral relaxation time spectrum of core sample and the second centrifugal treating and after the second centrifugal treating
To relaxation time spectrum；Wherein, first core sample is used to characterize the target core sample under saturated-water phase；
Finally, can be by the host equipment according to the first rock core before first centrifugal treating and after first centrifugal treating
The lateral relaxation time spectrum of sample, the second core sample before the second centrifugal treating and after the second centrifugal treating transverse relaxation when
Between compose and the specific surface area of the distribution of pores data of the target core sample and the target core sample, determine described in
The constraint water film thickness and constraint oil film thickness of target core sample.In this way, the core sample in reservoir can be utilized directly
Attribute data determines boundary layer thickness, wherein used attribute data include irreducible water saturation, distribution of pores data and
Specific surface area etc., can influence with Efficient Characterization rock pore structure, mineral composition and surface nature etc. to boundary layer, so as to
To further increase the accuracy of the boundary layer thickness of identified compact reservoir.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit in any way disclosed by the utility model
Range.In addition, shape and proportional sizes of each component in figure etc. are only schematically, to be used to help the reason to the utility model
Solution is not the specific shape and proportional sizes for limiting each component of the utility model.Those skilled in the art is practical new at this
Under the introduction of type, various possible shapes and proportional sizes can be selected to implement the utility model as the case may be.
Fig. 1 is the composed structure schematic diagram for the system embodiment that the application determines reservoir boundaries thickness degree.
Specific embodiment
The embodiment of the present application provides a kind of system of determining reservoir boundaries thickness degree.
In conjunction with the description of attached drawing and specific embodiment of the present invention, the utility model can be clearly understood
Details.But specific embodiment of the present utility model described herein, it is only used for explaining the purpose of this utility model, without
It can be understood as being limitations of the present invention in any way.Under the introduction of the utility model, technical staff is contemplated that
Any possible deformation based on the utility model, these are regarded as belonging to the scope of the utility model.It needs to illustrate
It is that when element is referred to as " being set to " another element, it can directly on the other element or there may also be placed in the middle
Element.When an element is considered as " connection " another element, it can be directly to another element or can
Centering elements can be existed simultaneously.Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or
Electrical connection, the connection being also possible to inside two elements can be directly connected, can also indirectly connected through an intermediary,
For the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.Made herein
Term " vertical ", " horizontal ", "upper", "lower", "left", "right" and similar statement simply to illustrate that mesh
, it is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
In order to improve the accuracy of identified reservoir boundaries thickness degree, a kind of determining storage is proposed in this application
The system of layer boundary layer thickness, Fig. 1 is the composed structure schematic diagram for the system embodiment that the application determines reservoir boundaries thickness degree.
As shown in Figure 1, the system of the determining reservoir boundaries thickness degree may include: the photoelectric converter 2, three of host equipment 1, three
Electric light converter 3, nuclear magnetic resonance equipment 4, cryogenic absorption equipment 5 and centrifugation apparatus 6.Wherein, the host equipment 1 passes through cable
It is connected with the photoelectric converter 2, the photoelectric converter 2 is connected by optical fiber with the electric light converter 3, three institutes
Electric light converter 3 is stated to be connected with the nuclear magnetic resonance equipment 4, the cryogenic absorption equipment 5 and the centrifugation apparatus 6 respectively.
The cryogenic absorption equipment 5 is used to obtain the distribution of pores data and specific surface area of the target core sample of purpose reservoir.It is described
Centrifugation apparatus 6 is for carrying out the first centrifugal treating and the second centrifugal treating to the first core sample and the second core sample respectively.
The nuclear magnetic resonance equipment 4 relaxes before being used to detect the first centrifugal treating with the lateral of the first core sample after the first centrifugal treating
The lateral relaxation time spectrum of the second core sample before Henan time spectrum and the second centrifugal treating and after the second centrifugal treating；Its
In, first core sample is used to characterize the target core sample under saturated-water phase.The host equipment 1 is used
In controlling the centrifugation apparatus to the centrifugal treating of first core sample and second core sample, and according to described the
The lateral relaxation time of the first core sample before one centrifugal treating and after first centrifugal treating is composed, before the second centrifugal treating
With the lateral relaxation time spectrum of the second core sample after the second centrifugal treating and the distribution of pores of the target core sample
The specific surface area of data and the target core sample determines the constraint water film thickness and constraint oil film of the target core sample
Thickness.Wherein, the boundary layer thickness includes constraint water film thickness and constraint oil film thickness.In this way, host can be carried out quickly
The data transmission between the nuclear magnetic resonance equipment 4, the cryogenic absorption equipment 5 and the centrifugation apparatus 6 respectively of equipment 1,
And the accuracy of reservoir boundaries thickness degree determined by improving.
In the present embodiment, by the host equipment 1 determine the target core sample constraint water film thickness and
The process for fettering oil film thickness, can specifically include, can be according to before first centrifugal treating and first centrifugal treating
The lateral relaxation time of the first core sample afterwards is composed, and determines the irreducible water saturation of the target core sample.It can basis
The specific surface area of first kind hole accounting and the target core sample in the distribution of pores data of the target core sample, really
The corresponding specific surface area of second class hole in the fixed target core sample；Wherein, the radius of the first kind hole, which is less than, refers to
Determine pore radius, the radius of the second class hole is greater than the specified pore radius.It can be accounted for according to the first kind hole
Than the irreducible water saturation with the target core sample, the corresponding constraint of the second class hole in the target core sample is determined
Water saturation.It can be according to the corresponding irreducible water saturation of the second class hole and specific surface area in the target core sample, really
The constraint water film thickness of the fixed target core sample.It can be according to before second centrifugal treating and second centrifugal treating
The lateral relaxation time of the second core sample afterwards is composed, and determines the constraint oil saturation degree of the target core sample.It can basis
The constraint oil saturation degree of the first kind hole accounting and the target core sample, determines second in the target core sample
The oily saturation degree of the corresponding constraint of class hole.It can be according to the corresponding constraint oil saturation of the second class hole in the target core sample
Degree and specific surface area, determine the constraint oil film thickness of the target core sample.
In the present embodiment, the photoelectric converter 2 may include: optical module.The electric light converter 3 also can wrap
Include optical module.It wherein, may include: opto-electronic device, functional circuit, optical interface and electrical interface etc. in the optical module.It is described
Opto-electronic device includes emitting module and receiving unit two parts.In actual application, in three electric light converters 2
The nuclear magnetic resonance equipment 4, the cryogenic absorption equipment 5 and the centrifugation is respectively received by receiving unit and electrical interface to set
After standby 6 electric signals sent, the electric signal can be converted to by light letter by the functional circuit in the electric light converter 2
Number, and sent optical signal by emitting module in the electric light converter 2 and optical interface, then be sent to by optical fiber
The photoelectric converter 3 then receives the optical signal by receiving unit in the photoelectric converter 3 and optical interface,
And the optical signal is converted to by electric signal by the functional circuit in the photoelectric converter 3, turn finally by the photoelectricity
Electric signal is sent to the host equipment 1 by emitting module and electrical interface in parallel operation 3.Wherein, the electric signal can be used for
Characterize the first core sample before first centrifugal treating and after first centrifugal treating lateral relaxation time spectrum, second
The lateral relaxation time spectrum of the second core sample before centrifugal treating and after the second centrifugal treating and the target core sample
Distribution of pores data and the target core sample the data such as specific surface area.
In the present embodiment, the host equipment 1 can also by the optical module to the centrifugation apparatus send from
Heart instruction can be right respectively according to centrifugation instruction after the centrifugation apparatus receives the centrifugation instruction by the optical module
First core sample and second core sample carry out the first centrifugal treating and the second centrifugal treating.
In one embodiment of the application, the system of the determining reservoir boundaries thickness degree further includes oscillograph 7.It is described
Oscillograph 7 is connected with the electrical signal of the host equipment 1, the electric signal exported for detecting the host equipment 1.
In one embodiment of the application, the system of the determining reservoir boundaries thickness degree further includes spectrometer 8.It is described
Spectrometer 8 is connected with the nuclear magnetic resonance equipment 4, the lateral relaxation time detected for showing the nuclear magnetic resonance equipment 4
Spectrum.
In one embodiment of the application, the system of the determining reservoir boundaries thickness degree further includes wavelength division multiplexer 9.
The wavelength division multiplexer 9 is connected with the photoelectric converter 2, the electric light converter 3 respectively, for the electro-optic conversion
A variety of optical signals that device 3 exports carry out synthesis processing, and to synthesis, treated that optical signal carries out separating treatment, generates described more
Kind optical signal, and a variety of optical signals are supplied to the photoelectric converter 2.Wherein, the quantity of the wavelength division multiplexer 9 can
Think 3.
In one embodiment of the application, the system of the determining reservoir boundaries thickness degree further includes fully differential amplification
Device.The fully-differential amplifier is connected with the electrical signal of the host equipment 1, the photoelectric converter 2 respectively, uses
Processing is amplified in the electric signal exported to the host equipment.
In one embodiment of the application, the system of the determining reservoir boundaries thickness degree further includes circulator.It is described
Circulator is connected with the electric light converter 3, the photoelectric converter 2 respectively, so as to one-way transmission signal energy.
To sum up, the system of determining reservoir boundaries thickness degree provided by the embodiments of the present application, can pass through the low temperature
Adsorption plant 5 obtains the distribution of pores data and specific surface area of the target core sample of purpose reservoir；The host can be passed through
Equipment 1 controls the centrifugation apparatus 6 to the centrifugal treating of first core sample and second core sample, then passes through institute
State nuclear magnetic resonance equipment 4 detect the first centrifugal treating before and the first centrifugal treating after the first core sample lateral relaxation time
The lateral relaxation time spectrum of the second core sample before spectrum and the second centrifugal treating and after the second centrifugal treating；Wherein, described
First core sample is used to characterize the target core sample under saturated-water phase；Finally, the host can be passed through
Equipment 1 is according to the lateral relaxation time before first centrifugal treating with the first core sample after first centrifugal treating
The lateral relaxation time spectrum of the second core sample before spectrum, the second centrifugal treating and after the second centrifugal treating and the target
The specific surface area of the distribution of pores data of core sample and the target core sample determines the constraint of the target core sample
Water film thickness and constraint oil film thickness.In this way, boundary directly can be determined using the attribute data of the core sample in reservoir
Thickness degree, wherein used attribute data includes irreducible water saturation, distribution of pores data and specific surface area etc., Ke Yiyou
The influence to boundary layer such as effect characterization rock pore structure, mineral composition and surface nature, really so as to further increase
The accuracy of the boundary layer thickness of fixed compact reservoir.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.Above-described embodiment is only
Illustrate the technical ideas and features of the present invention, it is practical new its object is to allow person skilled in the art that can understand this
The content of type is simultaneously implemented accordingly, does not limit the protection scope of the present invention.It is all real according to the spirit of the present invention
Equivalent change or modification made by matter, should be covered within the scope of the utility model.
Claims (8)
1. a kind of system of determining reservoir boundaries thickness degree, which is characterized in that the system comprises: host equipment, three photoelectricity
Converter, three electric light converters, nuclear magnetic resonance equipment, cryogenic absorption equipment and centrifugation apparatus；Wherein, the host equipment is logical
Cable to be crossed to be connected with the electric light converter, the electric light converter is connected by optical fiber with the photoelectric converter, and three
A photoelectric converter is connected with the nuclear magnetic resonance equipment, the cryogenic absorption equipment and the centrifugation apparatus respectively；
The cryogenic absorption equipment is used to obtain the distribution of pores data and specific surface area of the target core sample of purpose reservoir；
The centrifugation apparatus for respectively to the first core sample and the second core sample carry out the first centrifugal treating and second from
Heart processing；
The nuclear magnetic resonance equipment is used to detect the cross before the first centrifugal treating with the first core sample after the first centrifugal treating
The lateral relaxation time of the second core sample before to relaxation time spectrum and the second centrifugal treating and after the second centrifugal treating
Spectrum；Wherein, first core sample is used to characterize the target core sample under saturated-water phase；
The host equipment be used to controlling the centrifugation apparatus to first core sample and second core sample from
The heart processing, and according to before first centrifugal treating and first centrifugal treating after the first core sample transverse relaxation when
Between spectrum, the lateral relaxation time spectrum of the second core sample before the second centrifugal treating and after the second centrifugal treating and the mesh
The distribution of pores data of core sample and the specific surface area of the target core sample are marked, determine the beam of the target core sample
Tie up water film thickness and constraint oil film thickness.
2. system according to claim 1, which is characterized in that the photoelectric converter includes: optical module.
3. system according to claim 2, which is characterized in that include: opto-electronic device, functional circuit in the optical module
And optical interface.
4. system according to claim 1, which is characterized in that the system also includes oscillographs；
The oscillograph is connected with the electrical signal of the host equipment, for detecting the electricity of the host equipment output
Signal.
5. system according to claim 1, which is characterized in that the system also includes spectrometers；
The spectrometer is connected with the nuclear magnetic resonance equipment, for showing the transverse relaxation of the nuclear magnetic resonance equipment detection
Time spectrum.
6. system according to claim 1, which is characterized in that the system also includes wavelength division multiplexers；
The wavelength division multiplexer is connected with the electric light converter, the photoelectric converter respectively, for turning to the electric light
A variety of optical signals of parallel operation output carry out synthesis processing, and to synthesis treated optical signal carries out separating treatment, described in generation
A variety of optical signals.
7. system according to claim 1, which is characterized in that the system also includes fully-differential amplifiers；
The fully-differential amplifier is connected with the electrical signal of the host equipment, the electric light converter respectively, uses
Processing is amplified in the electric signal exported to the host equipment.
8. system according to claim 1, which is characterized in that the system also includes circulators；The circulator difference
It is connected with the electric light converter, the photoelectric converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820675017.0U CN208334134U (en) | 2018-05-08 | 2018-05-08 | System for determining thickness of reservoir boundary layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820675017.0U CN208334134U (en) | 2018-05-08 | 2018-05-08 | System for determining thickness of reservoir boundary layer |
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| CN208334134U true CN208334134U (en) | 2019-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414424A (en) * | 2018-05-08 | 2018-08-17 | 中国石油天然气股份有限公司 | Method, device and system for determining thickness of reservoir boundary layer |
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2018
- 2018-05-08 CN CN201820675017.0U patent/CN208334134U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414424A (en) * | 2018-05-08 | 2018-08-17 | 中国石油天然气股份有限公司 | Method, device and system for determining thickness of reservoir boundary layer |
| CN108414424B (en) * | 2018-05-08 | 2024-06-25 | 中国石油天然气股份有限公司 | Method, device and system for determining thickness of boundary layer of reservoir |
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