CN104678455A - Terrestrial fracture-cavern reservoir identification method - Google Patents
Terrestrial fracture-cavern reservoir identification method Download PDFInfo
- Publication number
- CN104678455A CN104678455A CN201410773853.9A CN201410773853A CN104678455A CN 104678455 A CN104678455 A CN 104678455A CN 201410773853 A CN201410773853 A CN 201410773853A CN 104678455 A CN104678455 A CN 104678455A
- Authority
- CN
- China
- Prior art keywords
- fractured
- reservoir
- vuggy reservoir
- vuggy
- well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a terrestrial fracture-cavern reservoir identification method, which comprises the following steps that rock core data and well logging data of a fracture-cavern reservoir core taking well during target region drilling are collected; the rock core data is utilized for determining the development position of the fracture-cavern reservoir of the core taking well; the well logging curve data is optimized according to the sensitivity degree of a well logging curve of the core taking well on the fracture-cavern reservoir representation, and the well logging identification standard of the target region fracture-cavern reservoir is built; the well logging identification standard of the built target region fracture-cavern reservoir is used for identifying the target region fracture-cavern reservoir. When the method is adopted, the conventional well logging data can be used for effectively identifying the terrestrial fracture-cavern reservoir, in the subsequent exploration and development process, the drilling core taking and imaging well logging cost is reduced in the subsequent exploration development process, the exploration development cost is reduced, and the guarantee is provided for improving the oil gas exploration and development income.
Description
Technical field
The invention belongs to oil-gas exploration and development field, provide one to utilize Using Conventional Logs to carry out terrestrial facies fractured-vuggy reservoir and know method for distinguishing.
Background technology
Fractured-vuggy reservoir is the oil and gas reservoir of the types such as crack, crack, hole, solution cavity, generally grows at carbonate formation, and reservoir has that lithological change is fast, nonuniformity is strong, the irregular feature of seam hole space distribution.China's terrestrial facies fractured-vuggy reservoir is grown in terrestrial lake basin, complex lithology, and seam hole volume is little, and for China's Er'lian Basin Baiyinchagan Depression terrestrial facies fractured-vuggy reservoir, reservoir seam hole dia is generally less than 1 centimetre, and conventional logging identification difficulty is large, is difficult to effective identification.
Identification at present for terrestrial facies fractured-vuggy reservoir mainly adopts core observation method of identification and imaging logging method of identification.Above two kinds of methods need larger investment, have raised prospecting prime cost, are difficult to the needs meeting the exploitation of terrestrial facies fractured-vuggy reservoir Efficient Exploration.How to utilize Using Conventional Logs identification terrestrial facies fractured-vuggy reservoir, reduce cost of exploration & development, become the difficult point of China's terrestrial facies fractured-vuggy reservoir exploratory development.
Invention Inner holds
The object of the invention is for drilling and coring delivery and imaging logging cost higher, be difficult to meet the defect of terrestrial facies fractured-vuggy reservoir Efficient Exploration exploitation needs, a kind of method utilizing conventional logging data identification terrestrial facies fractured-vuggy reservoir be provided.
The present invention includes following steps:
1, collect target area and bore rock core information, the well-log information of meeting fractured-vuggy reservoir core hole
1.1 rock core informations comprise target area and bore the rock core of meeting fractured-vuggy reservoir core hole;
1.2 well-log informations comprise target area and bore the borehole log data of meeting fractured-vuggy reservoir core hole.
2, the development position of the rock core information determination core hole fractured-vuggy reservoir of step 1.1 is utilized
The rock core that the 2.1 pairs of steps 1.1 are collected carries out visual inspection, identifies the observable fractured-vuggy reservoir development position of naked eyes;
2.2 in visual inspection less than the position of fractured-vuggy reservoir with 0.1 meter for interval samples rock core, grind petrographic thin section, by the developmental state of Microscopic observation determination petrographic thin section fractured-vuggy reservoir, according to the developmental state of the fracture cave reservoir of thin slice identification, record core hole in visual inspection less than small fractured-vuggy reservoir development position;
2.3 utilize step 2.1 and the result of step 2.2, determine all fractured-vuggy reservoir development positions in core hole.
3, according to the sensitivity of the logging trace opposite joint hole type reservoir characterization of core hole, carry out preferably, setting up the well logging recognition standard of target area fractured-vuggy reservoir to the borehole log data of step 1.2
The logging trace that fractured-vuggy reservoir grows thickness twice is intercepted centered by the 3.1 fractured-vuggy reservoir development positions determined by step 2, according to the sensitivity of the logging trace opposite joint hole type reservoir characterization of core hole, logging trace is sorted, optimize the logging trace that target area fractured-vuggy reservoir is the most responsive;
3.2, data exchange is carried out to the logging trace that step 3.1 optimizes target area fractured-vuggy reservoir the most responsive, set up the well logging recognition standard of target area fractured-vuggy reservoir.
The well logging recognition standard of the target area fractured-vuggy reservoir 4, utilizing step 3 to set up, identifies target area fractured-vuggy reservoir.
Application the present invention can use conventional logging data effectively to identify terrestrial facies fractured-vuggy reservoir, reduces the expense of drilling and coring delivery and imaging logging, reduce cost of exploration & development in follow-up exploratory development process, provides safeguard for improving oil exploration and exploitation income.
Accompanying drawing explanation
Fig. 1 is technical solution of the present invention FB(flow block);
Fig. 2 is that fractured-vuggy reservoir grows section core observation photo; Wherein, Fig. 2-1 is X26 well 1833.5 meters-1833.8 meters core observation photos; Fig. 2-2 is X26 well 1825.3 meters-1825.5 meters core observation photos; Fig. 2-3 is X3-69 well 1782.2 meters-1782.4 meters core observation photos; Fig. 2-4 is X3-69 well 1783.0 meters-1783.2 meters core observation photos;
Fig. 3 is that fractured-vuggy reservoir grows section petrographic thin section photo; Wherein, Fig. 3-1 is that petrographic thin section photo is amplified at 40 times, X32 well 1818.5 meters of; Fig. 3-2 is that petrographic thin section photo is amplified at 40 times, X32 well 1818.9 meters of; Fig. 3-3 is that petrographic thin section photo is amplified at 40 times, X2 well 1745.5 meters of; Fig. 3-4 is that petrographic thin section photo is amplified at 40 times, X2 well 1745.7 meters of;
Fig. 4 is that X26 well fractured-vuggy reservoir grows section logging response character figure;
Fig. 5 is its oil field Tenggeer Formation epimere fractured-vuggy reservoir interval transit time-density X plot of Da Er;
Fig. 6 is its oil field Tenggeer Formation epimere fractured-vuggy reservoir density-compensated neutron X plot of Da Er;
Fig. 7 is its oil field Tenggeer Formation epimere fractured-vuggy reservoir interval transit time-compensated neutron X plot of Da Er;
Fig. 8 is X3-79 borehole logging tool response characteristic figure;
Fig. 9 is that X3-79 well 1702-1702.3 rice sidewall sampling observes photo.
Embodiment
Example below in conjunction with its oil field Tenggeer Formation terrestrial facies fractured-vuggy reservoir identification of Baiyinchagan Depression Da Er is described in further details embodiment of the present invention, and as shown in Figure 1, concrete steps of the present invention are as follows:
1, Da Er its oil field Tenggeer Formation fractured-vuggy reservoir rock core information and well-log information is collected
Its oil field Tenggeer Formation of 1.1 Da Er bores chance fractured-vuggy reservoir core hole and has 5 mouthfuls, is X26 well, X2 well, X31 well, X32 well, X3-69 well respectively, accumulative rock core length 280 meters;
In 1.2 collection steps 1.1,8 conventional logging data of 5 mouthfuls of wells, are spontaneous potential, natural gamma, hole diameter, interval transit time, density, compensated neutron, deep lateral resistivity, shallow side direction resistivity respectively.
2, the rock core information utilizing step 1.1 to collect, the development position of the fractured-vuggy reservoir of 5 mouthfuls of wells that determining step 1.1 is collected
The rock core information that 2.1 pairs of steps 1.1 are collected, by the discernible fractured-vuggy reservoir development position of core observation determination naked eyes, as shown in Figure 2, wherein, Fig. 2-1 is X26 well 1833.5-1833.8 rice core observation photo, Fig. 2-2 is X26 well 1825.3-1825.5 rice core observation photos, and Fig. 2-3 is X3-69 well 1782.2-1782.4 rice core observation photos, and Fig. 2-4 is X3-69 well 1783.0-1783.2 rice core observation photos;
Comprehensive all core observation result X26 well naked eyes discernible fractured-vuggy reservoir position 1820.3-1837.4 rice, X2 well naked eyes discernible fractured-vuggy reservoir position 1740.4-1746.0 rice, X31 well naked eyes discernible fractured-vuggy reservoir position 2031.1-2083.4 rice, X32 well naked eyes discernible fractured-vuggy reservoir position 1820.6-1825.7 rice, X3-69 well naked eyes discernible fractured-vuggy reservoir position 1767.3-1790.6 rice;
2.2 for visual inspection in 5 mouthfuls of well sections of coring less than the position of fractured-vuggy reservoir with 0.1 meter for interval samples rock core, grind petrographic thin section, by the developmental state of Microscopic observation determination petrographic thin section fractured-vuggy reservoir, record fractured-vuggy reservoir development position, as shown in Figure 3; Wherein, wherein Fig. 3-1 is that petrographic thin section photo is amplified at 40 times, X32 well 1818.5 meters of, Fig. 3-2 is that petrographic thin section photo is amplified at 40 times, X32 well 1818.9 meters of, Fig. 3-3 is that petrographic thin section photo is amplified at 40 times, X2 well 1745.5 meters of, and Fig. 3-4 is that petrographic thin section photo is amplified at 40 times, X2 well 1745.7 meters of;
Comprehensive all petrographic thin section observationss are known, the 1810.2-1820.3 rice section of X26 well be grow visual inspection less than fractured-vuggy reservoir, the 1746.1-1748.0 rice section of X2 well be grow visual inspection less than fractured-vuggy reservoir, the 2011.1-2031.4 rice section of X31 well be grow visual inspection less than fractured-vuggy reservoir, the 1817.6-1820.6 rice section of X32 well be grow visual inspection less than fractured-vuggy reservoir, the 1790.6-1834.3 rice section of X3-69 well be grow visual inspection less than fractured-vuggy reservoir;
2.3 results utilizing step 2.1 and step 2.2, X26 well fractured-vuggy reservoir position 1810.2-1837.4 rice can be determined, X2 well fractured-vuggy reservoir position 1740.4-1748.0 rice, X31 well fractured-vuggy reservoir position 2011.1-2083.4 rice, X32 well fractured-vuggy reservoir position 1817.60-1825.7 rice; X3-69 well fractured-vuggy reservoir position 1767.3-1834.3 rice.
3, according to the sensitivity of the logging trace opposite joint hole type reservoir characterization of core hole, carry out preferably, setting up the well logging recognition standard of target area fractured-vuggy reservoir to the borehole log data of step 1.2
The fractured-vuggy reservoir development position of the 3.1 5 mouthfuls of wells utilizing step 2 to determine, centered by fractured-vuggy reservoir development position, the logging trace that fractured-vuggy reservoir grows thickness twice is intercepted to 8 of the core hole of step 1.2 logging traces respectively, within the scope of the logging trace intercepted, the sensitivity characterized according to fractured-vuggy reservoir sorts to logging trace, optimize and characterize three the most responsive logging traces of target area fractured-vuggy reservoir, as shown in Figure 4, comprise density logging, acoustic travel time logging, compensated neutron log;
3.2, data exchange is carried out to three logging traces that step 3.1 optimizes target area fractured-vuggy reservoir the most responsive, making its oil field Tenggeer Formation epimere fractured-vuggy reservoir interval transit time-density X plot of Da Er as shown in Figure 5, its oil field Tenggeer Formation epimere fractured-vuggy reservoir interval transit time-compensated neutron X plot of its Da Er shown in oil field Tenggeer Formation epimere fractured-vuggy reservoir density-compensated neutron X plot and Fig. 7 of Da Er as shown in Figure 6; According to Fig. 5, Fig. 6 and Fig. 7, determine the standard of well logging recognition fractured-vuggy reservoir, wherein interval transit time > 218 μ s/m, density < 2.53g/cm
3, compensated neutron < 0.21P.U, therefore can determine that fractured-vuggy reservoir conventional logging criterion of identification is: interval transit time > 218 μ s/m, density < 2.53g/cm
3, compensated neutron < 0.21P.U.
The well logging recognition standard of the target area fractured-vuggy reservoir 4, utilizing step 3 to set up, identifies target area fractured-vuggy reservoir
X3-79 well is a bite exploitation well bored for its oil field Tenggeer Formation terrestrial facies fractured-vuggy reservoir of Da Er, and Fig. 8 is X3-79 borehole logging tool response characteristic figure, and as shown in Figure 8, in the 1700-1750 rice section of X3-79 well, interval transit time is between 591 μ s/m and 218 μ s/m; Density is positioned at 2.3g/cm
3with 2.53g/cm
3between; Compensated neutron, between 0.13P.U and 0.21P.U, meets the well logging recognition standard of the fractured-vuggy reservoir that above-mentioned steps 3 is determined, can judge that the 1700-1750 rice section of X3-79 well grows fractured-vuggy reservoir.
Sidewall sampling is carried out to the 1700-1750 rice section of X3-79 well, obtain the X3-79 well 1702-1702.3 rice sidewall sampling shown in Fig. 9 and observe photo, from core observation, the 1702-1747 rice section of X3-79 well grows fractured-vuggy reservoir, thus, demonstrate the reliability of the present invention to the identification of terrestrial facies fractured-vuggy reservoir.Application the present invention, in the exploratory development process that its oil field of Da Er is follow-up, can reduce the expense of drilling and coring delivery and imaging logging, reduce cost of exploration & development, provides safeguard for improving oil exploration and exploitation income.
Claims (3)
1. a terrestrial facies fractured-vuggy reservoir recognition methods, is characterized in that comprising the following steps:
Step 1, collection target area bore rock core information, the well-log information of meeting fractured-vuggy reservoir core hole;
Step 2, utilize the development position of the rock core information determination core hole fractured-vuggy reservoir of step 1;
Step 3, sensitivity according to the logging trace opposite joint hole type reservoir characterization of core hole, carry out preferably, setting up the well logging recognition standard of target area fractured-vuggy reservoir to the borehole log data of step 1;
Step 4, the well logging recognition standard of target area fractured-vuggy reservoir utilizing step 3 to set up, identify target area fractured-vuggy reservoir.
2. a kind of terrestrial facies fractured-vuggy reservoir according to claim 1 recognition methods, is characterized in that: the development position utilizing rock core information determination core hole fractured-vuggy reservoir, and step comprises:
Step 2.1, visual inspection is carried out to the rock core that step 1 is collected, identify the observable fractured-vuggy reservoir development position of naked eyes;
Step 2.2, in visual inspection less than the position of fractured-vuggy reservoir with 0.1 meter for interval samples rock core, grind petrographic thin section, by the developmental state of Microscopic observation determination petrographic thin section fractured-vuggy reservoir, according to the developmental state of the fracture cave reservoir of thin slice identification, record core hole in visual inspection less than fractured-vuggy reservoir development position;
Step 2.3, utilize the result of step 2.1 and step 2.2, determine all fractured-vuggy reservoir development positions in core hole.
3. a kind of terrestrial facies fractured-vuggy reservoir according to claim 1 and 2 recognition methods, is characterized in that: the step utilizing the logging trace of core hole to set up the well logging recognition standard of target area fractured-vuggy reservoir is:
Step 3.1, centered by fractured-vuggy reservoir development position, intercept the logging trace that fractured-vuggy reservoir grows thickness twice, according to the sensitivity of the logging trace opposite joint hole type reservoir characterization of core hole, logging trace is sorted, optimize the logging trace that target area fractured-vuggy reservoir is the most responsive;
Step 3.2, the logging trace optimizing target area fractured-vuggy reservoir the most responsive to step 3.1 carry out data exchange, set up the well logging recognition standard of target area fractured-vuggy reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410773853.9A CN104678455A (en) | 2014-12-12 | 2014-12-12 | Terrestrial fracture-cavern reservoir identification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410773853.9A CN104678455A (en) | 2014-12-12 | 2014-12-12 | Terrestrial fracture-cavern reservoir identification method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104678455A true CN104678455A (en) | 2015-06-03 |
Family
ID=53313774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410773853.9A Pending CN104678455A (en) | 2014-12-12 | 2014-12-12 | Terrestrial fracture-cavern reservoir identification method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104678455A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761159A (en) * | 2016-03-17 | 2016-07-13 | 成都创源油气技术开发有限公司 | Stratum fracture and cavern development single well section modeling method |
| CN105781540A (en) * | 2016-03-17 | 2016-07-20 | 成都创源油气技术开发有限公司 | Logging identification method for fracture-cavity strata |
| CN105822295A (en) * | 2016-03-17 | 2016-08-03 | 成都创源油气技术开发有限公司 | Stratum fracture and cave development three-dimensional modeling method |
| CN105891904A (en) * | 2015-10-28 | 2016-08-24 | 中国石油化工股份有限公司 | Continental facies fracture-cavity type reservoir stratum identification method |
| CN112415596A (en) * | 2020-12-09 | 2021-02-26 | 大庆油田有限责任公司 | Dolomite structure type identification method based on logging information |
| CN112814653A (en) * | 2021-02-05 | 2021-05-18 | 西南石油大学 | Fracture-cavity type oil reservoir structure judgment method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042010A (en) * | 2010-09-07 | 2011-05-04 | 中国石油天然气股份有限公司 | Method for determining development position of fractured-vuggy carbonate reservoir |
| CN102508317A (en) * | 2011-11-09 | 2012-06-20 | 中国石油天然气股份有限公司 | Method for identifying fracture-cavity carbonate reservoir fluid properties |
| CN102749647A (en) * | 2012-07-12 | 2012-10-24 | 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 |
| CN103529475A (en) * | 2013-04-19 | 2014-01-22 | 中国石油大学(华东) | Method for identifying and interpreting carbonate rock ancient karst reservoir layer three-dimensional structure |
| CN103711482A (en) * | 2014-01-06 | 2014-04-09 | 山东科技大学 | Method for quickly identifying clastic rock reservoir based on two well log overlapped picture |
| CN103775072A (en) * | 2014-01-16 | 2014-05-07 | 燕山大学 | Logging information-based lithotype determining method |
-
2014
- 2014-12-12 CN CN201410773853.9A patent/CN104678455A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042010A (en) * | 2010-09-07 | 2011-05-04 | 中国石油天然气股份有限公司 | Method for determining development position of fractured-vuggy carbonate reservoir |
| CN102508317A (en) * | 2011-11-09 | 2012-06-20 | 中国石油天然气股份有限公司 | Method for identifying fracture-cavity carbonate reservoir fluid properties |
| CN102749647A (en) * | 2012-07-12 | 2012-10-24 | 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 |
| CN103529475A (en) * | 2013-04-19 | 2014-01-22 | 中国石油大学(华东) | Method for identifying and interpreting carbonate rock ancient karst reservoir layer three-dimensional structure |
| CN103711482A (en) * | 2014-01-06 | 2014-04-09 | 山东科技大学 | Method for quickly identifying clastic rock reservoir based on two well log overlapped picture |
| CN103775072A (en) * | 2014-01-16 | 2014-05-07 | 燕山大学 | Logging information-based lithotype determining method |
Non-Patent Citations (4)
| Title |
|---|
| 曾文冲 等: "《测井地层分析与油气评价（下册）》", 31 August 1991, 石油工业出版社 * |
| 杨福成 等: ""锡林好来地区复杂储层测井综合识别及应用"", 《断块油气田》 * |
| 裘亦楠 等编著: "《油气储层评价技术》", 30 April 2004, 石油工业出版社 * |
| 陈冬 等: ""塔河地区碳酸盐岩裂缝型储层的测井评价技术"", 《石油物探》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891904A (en) * | 2015-10-28 | 2016-08-24 | 中国石油化工股份有限公司 | Continental facies fracture-cavity type reservoir stratum identification method |
| CN105761159A (en) * | 2016-03-17 | 2016-07-13 | 成都创源油气技术开发有限公司 | Stratum fracture and cavern development single well section modeling method |
| CN105781540A (en) * | 2016-03-17 | 2016-07-20 | 成都创源油气技术开发有限公司 | Logging identification method for fracture-cavity strata |
| CN105822295A (en) * | 2016-03-17 | 2016-08-03 | 成都创源油气技术开发有限公司 | Stratum fracture and cave development three-dimensional modeling method |
| CN112415596A (en) * | 2020-12-09 | 2021-02-26 | 大庆油田有限责任公司 | Dolomite structure type identification method based on logging information |
| CN112814653A (en) * | 2021-02-05 | 2021-05-18 | 西南石油大学 | Fracture-cavity type oil reservoir structure judgment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ciezobka et al. | Hydraulic fracturing test site (HFTS)-project overview and summary of results | |
| CN104678455A (en) | Terrestrial fracture-cavern reservoir identification method | |
| CN106285646B (en) | Drilling well loss horizon recognition methods based on multi-information fusion | |
| Boutt et al. | A field study (Massachusetts, USA) of the factors controlling the depth of groundwater flow systems in crystalline fractured-rock terrain | |
| CN104948176B (en) | A kind of method based on infiltration Magnification identification carbonate reservoir crack | |
| CN103711482B (en) | A kind of method quickly identifying clastic reservoir rock based on two kinds of log overlay chart | |
| CN101082277A (en) | Oil well drilling geological X-ray fluorescent debris logging method | |
| CN106157181B (en) | Method for quickly grading soil surrounding rock in real time based on while-drilling parameters | |
| CN107701179B (en) | Conventional logging data-based compressibility evaluation method for shale gas reservoir | |
| CN109001814A (en) | Underground micro-seismic monitoring method | |
| CN108374657B (en) | Automatic well breakpoint identification method | |
| CN103628871A (en) | Novel electric resistivity invasion correction method based on Archie formula | |
| CN107143330A (en) | Shale gas reservoir quality surveys mud logging evaluation method | |
| US20130056201A1 (en) | Method for evaluating hydrocarbon-containing subterrean formations penetrated by a directional wellbore | |
| CN105891904A (en) | Continental facies fracture-cavity type reservoir stratum identification method | |
| CN104153768A (en) | Granite reservoir stratum reservoir performance evaluation method | |
| CN110939428B (en) | Identification method for tight sandstone oil and gas reservoir cracks | |
| CN104463686A (en) | Method for identifying shale gas reservoir while drilling by using discriminant analysis method | |
| CN112946782B (en) | Earthquake fine depicting method for dense oil-gas storage seepage body | |
| CN105068146B (en) | A kind of method of coal mining water producing fractures height in detection loess | |
| CN108035710B (en) | The method for dividing deep layer rock geology phase based on data mining | |
| Brinkley et al. | Redefining Recoverable Reserves in the Eagle Ford: Refracs and Infill Development Lessons Learned From the Hydraulic Fracturing Test Site 1 (HFTS) Phase 3 | |
| CN103590828A (en) | Method for evaluating formation pressure by logging dck index method | |
| CN110529106B (en) | Method for determining content of coal seam micro-components by using logging information | |
| CN109490510A (en) | Method based on the layer-through drilling Gas characteristic measurement hydraulic flushing in hole radius of influence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150603 |
|
| RJ01 | Rejection of invention patent application after publication |