CN102042010B - Method for determining development position of fractured-vuggy carbonate reservoir - Google Patents
Method for determining development position of fractured-vuggy carbonate reservoir Download PDFInfo
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- 238000011161 development Methods 0.000 title claims abstract description 37
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000011435 rock Substances 0.000 claims abstract description 24
- 125000005587 carbonate group Chemical group 0.000 claims abstract description 8
- 230000000704 physical effect Effects 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims description 10
- 238000013508 migration Methods 0.000 claims description 4
- 230000005012 migration Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a method for determining the development position of a fractured-vuggy carbonate reservoir; finely calibrating a carbonate rock fracture-cave reservoir by using three-dimensional conventional seismic data of a large desert; selecting wave trough and wave crest color filling and wave form display on a seismic section display method, wherein the color filling selection is performed according to the amplitude of wave troughs of seismic wave crests and wave forms, after a wave form variable area display mode is selected, determining the transverse development position and the reservoir change condition of a carbonate fracture-cave reservoir through observing the corresponding wave form change of the carbonate fracture-cave reservoir calibrated on the seismic section and the change relation of the color after the area is changed, and the same wave form and the same filling color after the area is changed indicate the reservoir development areas with the same physical properties; the method can effectively determine the development position of the carbonate fracture-cave reservoir, guides the design of the track of the horizontal well in practical application, and ensures that the drilled horizontal wells all obtain high-yield oil-gas flow.
Description
Technical field
The present invention relates to a kind of method of definite development position of fractured-vuggy carbonate reservoir.
Background technology
There is no the Fine calibration technical method of ripe development position of fractured-vuggy carbonate reservoir both at home and abroad, and in the actual exploration and development drilling process of carbonate rock fractured cave type oil-gas reservoir, often run into the complex hole condition such as simultaneous happeness of loss circulation and blowout, especially for carbonate rock fractured cave type reservoir, adopting horizontal well to carry out exploration and development has become increasingly required, how to guarantee that well Trajectory Design can be bored and meet high-quality carbonate rock fractured cave type reservoir, and can avoid the generation of drilling failure, keep good and fast creeping into, reach the object of Efficient Exploration exploitation, selecting the Forecasting Methodology of correct development position of fractured-vuggy carbonate reservoir to complete wellbore trace design is the key of dealing with problems.
Summary of the invention
The object of the invention is to provide a kind of method of definite development position of fractured-vuggy carbonate reservoir, by Accurate Prediction development position of fractured-vuggy carbonate reservoir, guarantee horizontal well track carbonate rock fractured cave type reservoir top 10m ±, avoid opening oil-gas Layer in drilling process and occur complex hole condition.
The method of definite development position of fractured-vuggy carbonate reservoir of the present invention adopts following steps to realize:
1, utilize the three-dimensional common seismic data of nefud, carbonate rock fractured cave type reservoir carried out to Fine calibration:
Described three-dimensional common seismic data refers to the seismic data of processing through pre-stack time migration;
The Fine calibration of described carbonate rock fractured cave type reservoir is interpretation of logging data achievement Fine calibration reservoir position and the reservoir development section (accompanying drawing 1) in seismic interpretation system of having utilized existing drilling well.
2, utilize the precisely definite horizontal development position of carbonate rock fractured cave type reservoir of identification of wiggle variable area method:
Described wiggle variable area method is (conventionally to use LandMark interpre(ta)tive system) in seismic interpretation system, when selecting seismic profile display mode, selects wiggle variable area mode to show; At wiggle variable area, control in option, select the filling of trough crest color, waveform to show.Color filling selective basis scheitel trough amplitude size is carried out filling.After choosing wiggle variable area display mode, by observing the corresponding wave form varies of carbonate rock fractured cave type reservoir of demarcating according to well log interpretation achievement on seismic profile, and determine the horizontal development position of carbonate rock fractured cave type reservoir and reservoir situation of change (accompanying drawing 2) in conjunction with the variation relation of color after variable area: after identical waveform and variable area, identical filling color has been indicated the reservoir development district of identical physical property.
Invention effect
By great pilot development zone in joint-stock company of PetroChina Company Limited. tower, use, effectively determined the development position of carbonate rock fractured cave type reservoir, well instruct the design of the horizontal well track in Liao Gai district, 9 mouthfuls of water horizontal wells of finishing drilling all obtain high produced hydrocarbon fluid;
Accompanying drawing explanation
Fig. 1 crosses A well carbonate rock fractured cave type reservoir Fine calibration figure.
The horizontal development position schematic diagram of Fig. 2 wiggle variable area method identification carbonate rock fractured cave type reservoir.
The specific embodiment
1, utilize the three-dimensional common seismic data of nefud, carbonate rock fractured cave type reservoir is carried out to Fine calibration.
Three-dimensional common seismic data described in step 1 refers to the seismic data of processing through pre-stack time migration;
The Fine calibration of the carbonate rock fractured cave type reservoir described in step 1 is well-log information Fine calibration reservoir position and the reservoir development section (Fig. 1) in seismic interpretation system of having utilized existing drilling well.Specific practice is to utilize the Sonic Logging Data of drilling well at the upper synthetic seismic record of making of seismic interpretation system (conventionally using LandMark interpre(ta)tive system), according to geology layering Fine calibration seismic geologic stratum.Utilize the seam hole gap degrees of data of the log datas such as GR, resistivity and well log interpretation to complete the Fine calibration of carbonate reservoir development position on seismic profile.The result of practical study Fine calibration shows at present, and carbonate rock fractured cave type reservoir Ding Jie position is positioned at trough and the peak-to-peak zero phase of ripple place on seismic profile, and has the feature that moves to maximum trough place along with the Reservoir Body volume increase of seam hole gradually.
In accompanying drawing 1, right side is A well interval of interest composite columnar section, in figure synthesis display the gas of geologic lithology section, well logging GR curve, resistivity curve, geological logging survey and show, the mud density of engineering logging and drilling well flooded conditions, logging reservoir are explained and completion formation testing situation.Left side was the seismic pre-stack time migration section of A well, on section after making synthetic seismic record the layering of Fine calibration geology, combine two cover reservoir development positions that well logging porosity curve and this well composite columnar section explain, engineering logging abnormal conditions etc., Fine calibration the development position of this well reservoir on seismic profile.
2, utilize the precisely definite horizontal development position of carbonate rock fractured cave type reservoir of identification of wiggle variable area method.
Wiggle variable area method described in step 2 is (conventionally to use LandMark interpre(ta)tive system) in seismic interpretation system, when selecting seismic profile display mode, selects wiggle variable area mode to show.At wiggle variable area, control in option, select the filling of trough crest color, waveform to show.Color filling selective basis scheitel trough amplitude size is carried out filling.After choosing wiggle variable area display mode, by observing the corresponding wave form varies of carbonate rock fractured cave type reservoir of demarcating according to well log interpretation achievement on seismic profile, and determine the horizontal development position of carbonate rock fractured cave type reservoir and reservoir situation of change (Fig. 2) in conjunction with the variation relation of color after variable area.Change color after wiggle variable area is to show on seismic profile (generally using spectrum colour code) and differentiate at colour, for example, be the reservoir that waveform that red filling shows represents a kind of same type equally, the waveform that yellow filling shows represents the reservoir of another kind of same type, etc.Generally speaking, after identical waveform and variable area, identical filling color has been indicated the reservoir development district of identical physical property.
Fig. 2 shows was the seismic profile after the wiggle variable area of A, two mouthfuls of wells of B.On section, waveform shows with black line, and Wave crest and wave trough shows (colored section) with different color fillings respectively, and after identical waveform and variable area, identical filling color has been indicated the reservoir development district of identical physical property.In figure, A well is a bite straight well, has calibrated geology layering and the reservoir development interval of the interval of interest of this well by attached method illustrated in fig. 1; B well is a bite extended horizontal well, except utilizing the method for accompanying drawing 1 explanation to calibrate the interval of interest geology layering of this well, the reservoir development section of also having utilized A well to demarcate is carried out horizontal analogy, calibrate the position that on this section, reservoir is laterally grown, designed the horizontal well track (having comprised 1,2,3 three target spot) of this well, and drill enforcement, obtained good effect.
Claims (1)
1. a method for definite development position of fractured-vuggy carbonate reservoir, is characterized in that: adopt following steps to realize:
(1) utilize the three-dimensional common seismic data of nefud, carbonate rock fractured cave type reservoir is carried out to Fine calibration;
Described three-dimensional common seismic data refers to the seismic data of processing through pre-stack time migration;
The Fine calibration of described carbonate rock fractured cave type reservoir is well log interpretation achievement Fine calibration reservoir position and the reservoir development section in seismic interpretation system of having utilized existing drilling well;
(2) utilize the precisely definite horizontal development position of carbonate rock fractured cave type reservoir of identification of wiggle variable area method:
Described wiggle variable area method is in seismic interpretation system, conventionally uses LandMark interpre(ta)tive system, when selecting seismic profile display mode, selects wiggle variable area mode to show; At wiggle variable area, control in option, select the filling of trough crest color, waveform to show; Color filling selective basis scheitel trough amplitude size is carried out filling; After choosing wiggle variable area display mode, by observing the corresponding wave form varies of carbonate rock fractured cave type reservoir of demarcating according to well log interpretation achievement on seismic profile, and determine the horizontal development position of carbonate rock fractured cave type reservoir and reservoir situation of change in conjunction with the variation relation of color after variable area: after identical waveform and variable area, identical filling color has been indicated the reservoir development district of identical physical property;
Described Fine calibration is to utilize the Sonic Logging Data of drilling well to make synthetic seismic record in LandMark seismic interpretation system, according to geology layering Fine calibration seismic geologic stratum, utilize the seam hole gap degrees of data of GR, Electric Log Data and well log interpretation to complete the Fine calibration of carbonate reservoir development position on seismic profile.
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| CN102518433B (en) * | 2011-12-31 | 2015-07-08 | 中国石油天然气股份有限公司 | Target point adjusting method for horizontal well of thin carbonate reservoir |
| CN102681013B (en) * | 2012-04-17 | 2013-07-10 | 中国石油天然气股份有限公司 | Method and device for establishing carbonate reservoir space model |
| CN102636812B (en) * | 2012-04-18 | 2013-07-10 | 中国石油天然气股份有限公司 | Method for obtaining storage space volume of carbonate reservoir |
| CN102707315B (en) * | 2012-06-05 | 2014-07-02 | 中国石油天然气股份有限公司 | Method for predicting carbonate oil and gas reservoir high-quality reservoir by utilizing disorder seismic attributes |
| CN102749647B (en) * | 2012-07-12 | 2014-09-17 | 恒泰艾普石油天然气技术服务股份有限公司 | Quantitative method for space of holes in reservoir |
| CN103529475B (en) * | 2013-04-19 | 2016-08-03 | 中国石油大学(华东) | A kind of method identified and explain carbonate paleokarst reservoir three dimensional structure |
| CN104142520B (en) * | 2013-10-28 | 2017-05-10 | 中国石油化工股份有限公司 | Full dynamic range display method for seismic acquisition records |
| CN105093330B (en) * | 2014-05-14 | 2017-10-17 | 中国石油天然气股份有限公司 | Method for searching side-well fracture-cavity reservoir body through multi-seismic-trace accumulated amplitude difference spectrum solution |
| CN104265270B (en) * | 2014-07-30 | 2015-10-28 | 中国石油集团钻井工程技术研究院 | A kind of carbonate rock fractured cave wellbore trace design and control method |
| CN104678455A (en) * | 2014-12-12 | 2015-06-03 | 中国石油化工股份有限公司 | Terrestrial fracture-cavern reservoir identification method |
| CN106930757B (en) * | 2015-12-29 | 2020-04-10 | 中国石油天然气股份有限公司 | Horizontal well borehole encountered stratum judgment method |
| CN105626058B (en) * | 2015-12-30 | 2018-11-16 | 中国石油天然气股份有限公司 | Method and device for determining development degree of reservoir karst |
| CN107728203A (en) * | 2016-08-11 | 2018-02-23 | 中国石油天然气股份有限公司 | Method and device for determining development degree of carbonate reservoir |
| CN107083939A (en) * | 2017-06-26 | 2017-08-22 | 中国石油化工股份有限公司 | Three-dimensional development method for the disconnected solution oil reservoir of carbonate rock |
| CN107191175A (en) * | 2017-07-11 | 2017-09-22 | 中国石油化工股份有限公司 | Flooding pattern construction method for the disconnected solution oil reservoir of carbonate rock |
| CN107765318B (en) * | 2017-10-10 | 2019-06-11 | 中国石油天然气集团公司 | A kind of method and device of determining geologic horizon |
| CN110941028B (en) * | 2018-09-21 | 2022-03-25 | 潜能恒信能源技术股份有限公司 | Method and system for positioning carbonate karst etching hole type geothermal energy reservoir |
| CN111413731B (en) * | 2019-01-08 | 2022-12-02 | 中国石油天然气集团有限公司 | Earthquake recognition method and device for carbonate rock fracture-cave body |
| CN112577875A (en) * | 2020-12-02 | 2021-03-30 | 成都理工大学 | Efficient detection technology for multiple native pores of carbonate rock |
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| CN1555023A (en) * | 2003-12-29 | 2004-12-15 | 大庆油田有限责任公司 | Processing method for rock core sample |
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| US8706541B2 (en) * | 2008-10-06 | 2014-04-22 | Schlumberger Technology Corporation | Reservoir management linking |
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| CN1555023A (en) * | 2003-12-29 | 2004-12-15 | 大庆油田有限责任公司 | Processing method for rock core sample |
| CN1834403A (en) * | 2006-04-17 | 2006-09-20 | 尤尼斯油气技术（中国）有限公司 | Hot air filling balance oil recovery technique 'zhanqian' mountain oil reservoir |
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