CN106291749A - A kind of basin edge heavy crude reservoir and the association study method of METHOD OF SHALLOW GAS RESERVOIRS - Google Patents
A kind of basin edge heavy crude reservoir and the association study method of METHOD OF SHALLOW GAS RESERVOIRS Download PDFInfo
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- CN106291749A CN106291749A CN201610565665.6A CN201610565665A CN106291749A CN 106291749 A CN106291749 A CN 106291749A CN 201610565665 A CN201610565665 A CN 201610565665A CN 106291749 A CN106291749 A CN 106291749A
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Abstract
The invention discloses a kind of association study method of basin edge heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS, belong to petroleum resources geological prospecting and development technique field；It comprises the steps of the identification of known heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS: utilize the detection of seismic properties, prestack, these seismic detection technique of energy absorption, binding curve overlap, plate intersection, these Logging Recognition Technologys of nuclear magnetic resonance, NMR, unknown METHOD OF SHALLOW GAS RESERVOIRS is found: comprehensively utilize earthquake, drilling well, well logging and test data, known heavy crude reservoir is carried out comprehensive geological analysis by known heavy crude reservoir；Unknown heavy crude reservoir is found: disclosure satisfy that the requirement of heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS association study by known METHOD OF SHALLOW GAS RESERVOIRS, consider multiple geological exploration techniques and method, in study area, application is respond well, other different geology characteristic areas can be applied to, can provide for petroleum resources geological prospecting and development evaluation and effectively instruct.
Description
Technical field
The present invention relates to petroleum resources geological prospecting and development technique field, be specifically related to a kind of basin edge heavy crude reservoir with shallow
The association study method of layer gas reservoir.
Background technology:
Exploration practices shows, the top of heavy crude reservoir or updip direction are dispersed with the METHOD OF SHALLOW GAS RESERVOIRS being available for exploration in a large number, and
Mostly these gas reservoirs are the biodegradable product of heavy crude reservoir.China is sent out in Bohai gulf basin, Song-liao basin, the Junggar Basin etc.
Having showed a large amount of METHOD OF SHALLOW GAS RESERVOIRS, aboundresources, Inspissated degradation gas oil in place as explored in Song-liao basin is more than 30,000,000,000 sides, accurate
Gaer Basin In Western the northern fringe is in advance in respect of the Inspissated degradation gas of 100,000,000,000 sides, it is shown that good exploration prospect.End the end of the year 2013, Bohai Sea
Basin, bay Jiyang depression heavy crude reservoir proved reserves account for the 56.2% of total verified oil reserves, and METHOD OF SHALLOW GAS RESERVOIRS proved reserves account for sky
So 69.3% of the total proved reserves of gas, these METHOD OF SHALLOW GAS RESERVOIRS are many with heavy crude reservoir phase association, are distributed mainly on concave edges or convex
Play band, and the two buries, and shallow, potentiality are big, movability use, are the important directions of Efficient Exploration exploitation.
Chinese scholars has carried out fruitful research for heavy crude reservoir or METHOD OF SHALLOW GAS RESERVOIRS, achieves abundant one-tenth
Really, such as Oil-gas source, origin mechanism, accumulation feature, Dominated Factors, Filling process, Reservoir model and the regularity of distribution etc..Meanwhile,
Also make significant progress in terms of heavy crude reservoir, the research method of METHOD OF SHALLOW GAS RESERVOIRS and Predicting Technique, such as carbon isotope analysis skill
Art, simulation of oil-gas migration and accumulation technology, earthquake " bright spot " technology etc..But, at present heavy crude reservoir is closed as mutual with METHOD OF SHALLOW GAS RESERVOIRS
The entirety of connection is studied, the most near barren, not only lacks theoretical research and exploration practices, and utilizes merely seismic technology
Or logging technique Direct Recognition heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS still difficulty bigger.Therefore, how by earthquake, well logging and geology
Comprehensive study, the method forming heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS association study, can be not only heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS
Joint exploration provides Research foundation and theoretical direction, also can be effectively improved the success rate prediction of heavy crude reservoir or METHOD OF SHALLOW GAS RESERVOIRS.
Summary of the invention
For the problems referred to above, the technical problem to be solved in the present invention is to provide a kind of reasonable in design, easy to operate, effect
The association study method of the high basin edge heavy crude reservoir of rate and METHOD OF SHALLOW GAS RESERVOIRS.
A kind of basin edge heavy crude reservoir of the present invention and the association study method of METHOD OF SHALLOW GAS RESERVOIRS, it comprises the steps of
(1) known heavy crude reservoir and the identification of METHOD OF SHALLOW GAS RESERVOIRS:
Utilize seismic properties, prestack detection, these seismic detection technique of energy absorption, binding curve overlap, plate intersection,
These Logging Recognition Technologys of nuclear magnetic resonance, NMR, are identified with METHOD OF SHALLOW GAS RESERVOIRS known heavy crude reservoir, specify heavy crude reservoir " bright spot "
With the METHOD OF SHALLOW GAS RESERVOIRS " bright spot " response characteristic in earthquake and well logging；
(2) by the unknown METHOD OF SHALLOW GAS RESERVOIRS of known heavy crude reservoir searching:
Comprehensive utilization earthquake, drilling well, well logging and test data, carry out comprehensive geological analysis to known heavy crude reservoir, carry out
Characteristics of reservoirs, migration path system, Seal Condition are studied, the clearly gas migration path based on Inspissated degradation gas and preservation condition
(such as Fault-Sealing performance, cap rock capping performance etc.), in conjunction with METHOD OF SHALLOW GAS RESERVOIRS " bright spot " feature, it was predicted that and find METHOD OF SHALLOW GAS RESERVOIRS；
(3) by the unknown heavy crude reservoir of known METHOD OF SHALLOW GAS RESERVOIRS searching:
Comprehensive utilization earthquake, drilling well, log well and the data such as test, known METHOD OF SHALLOW GAS RESERVOIRS is carried out comprehensive geological analysis, opens
The exhibition research such as gas reservoir evaluation, Gas Source Correlation, migration path system, specifies the source of METHOD OF SHALLOW GAS RESERVOIRS, in conjunction with migration path system achievement in research and
Heavy crude reservoir " bright spot " feature, it was predicted that and find heavy crude reservoir.
Described seismic detection technique mainly includes the prestack detection technique based on elastic fluid model, with viscoelasticity
Energy absorption technology based on dielectric model and Discussion of Earthquake Attribute Technology, these technology are to exist based on heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS
There is in earthquake the response characteristic of uniqueness, i.e. earthquake " bright spot ".For heavy crude reservoir, substantially it is different from stratum due to physical property
The media such as normal crude oil, natural gas and formation water, it can form strong reflection amplitude in earthquake, especially Poisson's ratio, Lame
The reservoir fluid elastic parameters such as coefficient occur abnormal, thus can be identified it；For METHOD OF SHALLOW GAS RESERVOIRS, its in earthquake not only
Strong reflection amplitude can be formed, the most also have in wave impedance section and show as showing as rather low-frequency on low speed, instantaneous frequency section
Etc. feature, thus it can be identified.
Described Logging Recognition Technology mainly includes curves overlapped, plate intersection, nuclear magnetic resonance, NMR, and these technology are based on thick
Oil oil reservoir and METHOD OF SHALLOW GAS RESERVOIRS have the response characteristic of uniqueness, i.e. well logging " bright spot " in well logging.For heavy crude reservoir, because it flows
Property poor, resistivity is low, and it is entered by the method such as available RR-RK Due date Window, Rt-Δ t Due date Window, nuclear magnetic resonance log observation mode
Row identifies；For METHOD OF SHALLOW GAS RESERVOIRS, available interval transit time and neutron gamma curves overlapped, Neutron-Density curves overlapped, basis of dual porosity
It is identified by the methods such as degree is overlapping, interval transit time and neutron gamma relative value's plate.
The described comprehensive geological analysis that carries out known heavy crude reservoir specifically includes that 1. characteristics of reservoirs research, specifies oil reservoir
Type, distribution layer position, viscous crude physical property and geo-chemical feature, thickening mechanism etc.；2. migration path system research, illustrates fracture, sand body and not
The conductor department features such as integration, set up migration path system screen work；3. Seal Condition research, evaluating fault seal can be with cap rock sealing
Energy.
Described prediction and searching METHOD OF SHALLOW GAS RESERVOIRS refer to from known heavy crude reservoir, according to comprehensive geological analysis result
(migration direction as possible in natural gas and path, preservation position etc.), in conjunction with METHOD OF SHALLOW GAS RESERVOIRS " bright spot " technology, at heavy crude reservoir
Find unknown METHOD OF SHALLOW GAS RESERVOIRS above top or side, thus reach the purpose of " along oil gas finding ".
The described comprehensive geological analysis that carries out known METHOD OF SHALLOW GAS RESERVOIRS specifically includes that 1. gas reservoir evaluation research, specifies gas reservoir
Type, distribution layer position, physical property of natural gas and geo-chemical feature etc.；2. Gas Source Correlation research, specifies source and the origin cause of formation of natural gas；③
Migration path system is studied, and illustrates the conductor department features such as fracture, sand body and unconformity, sets up migration path system screen work.
Described prediction and searching heavy crude reservoir refer to from known METHOD OF SHALLOW GAS RESERVOIRS, according to comprehensive geological analysis result
(source direction as possible in natural gas and path etc.), in conjunction with heavy crude reservoir " bright spot " technology, in lower section or the side of METHOD OF SHALLOW GAS RESERVOIRS
Unknown heavy crude reservoir is found in lower section, thus reaches the purpose of " inverse gas oil prospecting ".
The operation principle of the present invention: utilize seismic detection technique and Logging Recognition Technology, to known heavy crude reservoir and shallow-layer
Gas reservoir is identified, and with known heavy crude reservoir or METHOD OF SHALLOW GAS RESERVOIRS as basic point, by comprehensive geological analysis, in conjunction with earthquake and well logging
Technology, finds unknown METHOD OF SHALLOW GAS RESERVOIRS or heavy crude reservoir, it is achieved the association study to heavy crude reservoir Yu METHOD OF SHALLOW GAS RESERVOIRS, i.e. " looks for along oil
Gas " or " inverse gas oil prospecting ".
Beneficial effects of the present invention: disclosure satisfy that the requirement of heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS association study, it is considered to multiplely
Matter exploration engineering and method, in study area, application is respond well, can be applied to other different geology characteristic areas, can be
Petroleum resources geological prospecting and development evaluation provide effectively to be instructed.
Detailed description of the invention
This detailed description of the invention is by the following technical solutions: following steps:
(1) known heavy crude reservoir and the identification of METHOD OF SHALLOW GAS RESERVOIRS:
Utilize seismic properties, prestack detection, these seismic detection technique of energy absorption, binding curve overlap, plate intersection,
These Logging Recognition Technologys of nuclear magnetic resonance, NMR, are identified with METHOD OF SHALLOW GAS RESERVOIRS known heavy crude reservoir, specify heavy crude reservoir " bright spot "
With the METHOD OF SHALLOW GAS RESERVOIRS " bright spot " response characteristic in earthquake and well logging；
(2) by the unknown METHOD OF SHALLOW GAS RESERVOIRS of known heavy crude reservoir searching:
Comprehensive utilization earthquake, drilling well, well logging and test data, carry out comprehensive geological analysis to known heavy crude reservoir, carry out
Characteristics of reservoirs, migration path system, Seal Condition are studied, the clearly gas migration path based on Inspissated degradation gas and preservation condition
(such as Fault-Sealing performance, cap rock capping performance etc.), in conjunction with METHOD OF SHALLOW GAS RESERVOIRS " bright spot " feature, it was predicted that and find METHOD OF SHALLOW GAS RESERVOIRS；
(3) by the unknown heavy crude reservoir of known METHOD OF SHALLOW GAS RESERVOIRS searching:
Comprehensive utilization earthquake, drilling well, log well and the data such as test, known METHOD OF SHALLOW GAS RESERVOIRS is carried out comprehensive geological analysis, opens
The exhibition research such as gas reservoir evaluation, Gas Source Correlation, migration path system, specifies the source of METHOD OF SHALLOW GAS RESERVOIRS, in conjunction with migration path system achievement in research and
Heavy crude reservoir " bright spot " feature, it was predicted that and find heavy crude reservoir.
Described seismic detection technique mainly includes the prestack detection technique based on elastic fluid model, with viscoelasticity
Energy absorption technology based on dielectric model and Discussion of Earthquake Attribute Technology, these technology are to exist based on heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS
There is in earthquake the response characteristic of uniqueness, i.e. earthquake " bright spot ".For heavy crude reservoir, substantially it is different from stratum due to physical property
The media such as normal crude oil, natural gas and formation water, it can form strong reflection amplitude in earthquake, especially Poisson's ratio, Lame
The reservoir fluid elastic parameters such as coefficient occur abnormal, thus can be identified it；For METHOD OF SHALLOW GAS RESERVOIRS, its in earthquake not only
Strong reflection amplitude can be formed, the most also have in wave impedance section and show as showing as rather low-frequency on low speed, instantaneous frequency section
Etc. feature, thus it can be identified.
Described Logging Recognition Technology mainly includes curves overlapped, plate intersection, nuclear magnetic resonance, NMR, and these technology are based on thick
Oil oil reservoir and METHOD OF SHALLOW GAS RESERVOIRS have the response characteristic of uniqueness, i.e. well logging " bright spot " in well logging.For heavy crude reservoir, because it flows
Property poor, resistivity is low, and it is entered by the method such as available RR-RK Due date Window, Rt-Δ t Due date Window, nuclear magnetic resonance log observation mode
Row identifies；For METHOD OF SHALLOW GAS RESERVOIRS, available interval transit time and neutron gamma curves overlapped, Neutron-Density curves overlapped, basis of dual porosity
It is identified by the methods such as degree is overlapping, interval transit time and neutron gamma relative value's plate.
The described comprehensive geological analysis that carries out known heavy crude reservoir specifically includes that 1. characteristics of reservoirs research, specifies oil reservoir
Type, distribution layer position, viscous crude physical property and geo-chemical feature, thickening mechanism etc.；2. migration path system research, illustrates fracture, sand body and not
The conductor department features such as integration, set up migration path system screen work；3. Seal Condition research, evaluating fault seal can be with cap rock sealing
Energy.
Described prediction and searching METHOD OF SHALLOW GAS RESERVOIRS refer to from known heavy crude reservoir, according to comprehensive geological analysis result
(migration direction as possible in natural gas and path, preservation position etc.), in conjunction with METHOD OF SHALLOW GAS RESERVOIRS " bright spot " technology, at heavy crude reservoir
Find unknown METHOD OF SHALLOW GAS RESERVOIRS above top or side, thus reach the purpose of " along oil gas finding ".
The described comprehensive geological analysis that carries out known METHOD OF SHALLOW GAS RESERVOIRS specifically includes that 1. gas reservoir evaluation research, specifies gas reservoir
Type, distribution layer position, physical property of natural gas and geo-chemical feature etc.；2. Gas Source Correlation research, specifies source and the origin cause of formation of natural gas；③
Migration path system is studied, and illustrates the conductor department features such as fracture, sand body and unconformity, sets up migration path system screen work.
Described prediction and searching heavy crude reservoir refer to from known METHOD OF SHALLOW GAS RESERVOIRS, according to comprehensive geological analysis result
(source direction as possible in natural gas and path etc.), in conjunction with heavy crude reservoir " bright spot " technology, in lower section or the side of METHOD OF SHALLOW GAS RESERVOIRS
Unknown heavy crude reservoir is found in lower section, thus reaches the purpose of " inverse gas oil prospecting ".
The operation principle of this detailed description of the invention: utilize seismic detection technique and Logging Recognition Technology, to known viscous crude oil
Hide and be identified with METHOD OF SHALLOW GAS RESERVOIRS, and with known heavy crude reservoir or METHOD OF SHALLOW GAS RESERVOIRS as basic point, by comprehensive geological analysis, in combination
Shake and logging technique, find unknown METHOD OF SHALLOW GAS RESERVOIRS or heavy crude reservoir, it is achieved the association study to heavy crude reservoir Yu METHOD OF SHALLOW GAS RESERVOIRS, i.e.
" along oil gas finding " or " inverse gas oil prospecting ".
This detailed description of the invention disclosure satisfy that the requirement of heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS association study, it is considered to multiple geology is surveyed
Spy technology and method, in study area, application is respond well, can be applied to other different geology characteristic areas, can be oil gas
Resource geology exploration and development evaluation provide effectively to be instructed.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The skill of the industry
The art personnel simply explanation it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
The principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these
Changes and improvements both fall within scope of the claimed invention.Claimed scope by appending claims and
Its equivalent defines.
Claims (4)
1. a basin edge heavy crude reservoir and the association study method of METHOD OF SHALLOW GAS RESERVOIRS, it is characterised in that it comprises the steps of
(1) known heavy crude reservoir and the identification of METHOD OF SHALLOW GAS RESERVOIRS:
Utilize the detection of seismic properties, prestack, these seismic detection technique of energy absorption, binding curve overlap, plate intersection, nuclear-magnetism
Resonate these Logging Recognition Technologys, is identified known heavy crude reservoir with METHOD OF SHALLOW GAS RESERVOIRS, specifies heavy crude reservoir " bright spot " with shallow
Layer gas reservoir " bright spot " response characteristic in earthquake and well logging；
(2) by the unknown METHOD OF SHALLOW GAS RESERVOIRS of known heavy crude reservoir searching:
Comprehensive utilization earthquake, drilling well, well logging and test data, carry out comprehensive geological analysis 5 to known heavy crude reservoir 3, carry out oil
Tibetan feature, migration path system, Seal Condition research, the clearly gas migration path based on Inspissated degradation gas and preservation condition,
In conjunction with METHOD OF SHALLOW GAS RESERVOIRS " bright spot " feature, it was predicted that and find METHOD OF SHALLOW GAS RESERVOIRS；
(3) by the unknown heavy crude reservoir of known METHOD OF SHALLOW GAS RESERVOIRS searching:
Comprehensive utilization earthquake, drilling well, log well and the data such as test, known METHOD OF SHALLOW GAS RESERVOIRS is carried out comprehensive geological analysis, carries out gas
Hide the researchs such as feature, Gas Source Correlation, migration path system, specify the source of METHOD OF SHALLOW GAS RESERVOIRS, in conjunction with migration path system achievement in research and viscous crude
Oil reservoir " bright spot " feature, it was predicted that and find heavy crude reservoir.
A kind of basin edge heavy crude reservoir the most according to claim 1 and the association study method of METHOD OF SHALLOW GAS RESERVOIRS, it is characterised in that
Described seismic detection technique mainly includes the prestack detection technique based on elastic fluid model, with the viscoelastic medium model
Based on energy absorption technology and Discussion of Earthquake Attribute Technology, these technology are to have in earthquake based on heavy crude reservoir and METHOD OF SHALLOW GAS RESERVOIRS
There are the response characteristic of uniqueness, i.e. earthquake " bright spot ", for heavy crude reservoir, are substantially different from the normal proto in stratum due to physical property
The medium such as oil, natural gas and formation water, it can form strong reflection amplitude in earthquake, especially Poisson's ratio, Lame Coefficient etc.
Reservoir fluid elastic parameter occurs abnormal, thus can be identified it；For METHOD OF SHALLOW GAS RESERVOIRS, it not only can be formed in earthquake
Strong reflection amplitude, the most also has in wave impedance section and shows as showing as the features such as rather low-frequency on low speed, instantaneous frequency section,
Thus it can be identified.
A kind of basin edge heavy crude reservoir the most according to claim 1 and the association study method of METHOD OF SHALLOW GAS RESERVOIRS, it is characterised in that
Described Logging Recognition Technology mainly includes curves overlapped, plate intersection, nuclear magnetic resonance, NMR, these technology be based on heavy crude reservoir with
METHOD OF SHALLOW GAS RESERVOIRS has the response characteristic of uniqueness, i.e. well logging " bright spot " in well logging；For heavy crude reservoir, because of its poor fluidity, electricity
Resistance rate is low, and it is identified by the methods such as RR-RK Due date Window, Rt-Δ t Due date Window, nuclear magnetic resonance log observation mode that may utilize；
For METHOD OF SHALLOW GAS RESERVOIRS, available interval transit time and neutron gamma curves overlapped, Neutron-Density curves overlapped, dual porosity be overlapping,
It is identified by interval transit time with methods such as neutron gamma relative value's plates.
A kind of basin edge heavy crude reservoir the most according to claim 1 and the association study method of METHOD OF SHALLOW GAS RESERVOIRS, it is characterised in that
Its principle is to utilize seismic detection technique and Logging Recognition Technology, is identified known heavy crude reservoir with METHOD OF SHALLOW GAS RESERVOIRS, and
With known heavy crude reservoir or METHOD OF SHALLOW GAS RESERVOIRS as basic point, by comprehensive geological analysis, in conjunction with earthquake and logging technique, find unknown shallow
Layer gas reservoir or heavy crude reservoir, it is achieved the association study to heavy crude reservoir Yu METHOD OF SHALLOW GAS RESERVOIRS, i.e. " edge oil gas finding " or " inverse gas oil prospecting ".
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Cited By (4)
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| CN109632597A (en) * | 2018-11-06 | 2019-04-16 | 广州海洋地质调查局 | A kind of display methods and processing terminal of hydrate and free gas existence |
| CN109882162A (en) * | 2019-03-20 | 2019-06-14 | 中国石油化工股份有限公司 | Basin cause gas trace back oil heavy crude reservoir exploitation method |
| CN109946757A (en) * | 2019-03-20 | 2019-06-28 | 中国石油化工股份有限公司 | The method for describing the poly- scattered Filling process of viscous crude-METHOD OF SHALLOW GAS RESERVOIRS dynamic |
| CN110244382A (en) * | 2019-06-27 | 2019-09-17 | 中国石油化工股份有限公司 | Basin edge is shown in that oil chases after the METHOD OF SHALLOW GAS RESERVOIRS exploitation method of gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109632597A (en) * | 2018-11-06 | 2019-04-16 | 广州海洋地质调查局 | A kind of display methods and processing terminal of hydrate and free gas existence |
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| CN109882162A (en) * | 2019-03-20 | 2019-06-14 | 中国石油化工股份有限公司 | Basin cause gas trace back oil heavy crude reservoir exploitation method |
| CN109946757A (en) * | 2019-03-20 | 2019-06-28 | 中国石油化工股份有限公司 | The method for describing the poly- scattered Filling process of viscous crude-METHOD OF SHALLOW GAS RESERVOIRS dynamic |
| CN109882162B (en) * | 2019-03-20 | 2022-10-14 | 中国石油化工股份有限公司 | Heavy oil reservoir exploration method by tracing oil through gas at basin edge |
| CN110244382A (en) * | 2019-06-27 | 2019-09-17 | 中国石油化工股份有限公司 | Basin edge is shown in that oil chases after the METHOD OF SHALLOW GAS RESERVOIRS exploitation method of gas |
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Application publication date: 20170104 |