Multi-sector data correction method and system for gamma imaging while drilling
A multi-sector data correction method and system for gamma imaging while drilling. The method comprises the following steps: step one, dividing a gamma imaging sector into a plurality of count areas (S110); step two, during the process of performing measurement while drilling, compiling statistics o...
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| creator | Xiaolin Zhang Xin Cheng Quanjin Yang Zhen Yang Mingquan Huang Zhiyong Zhang Chuntian Han Luyang Ding Xiaohui Cui Ningning Yang Chao Lu Haiquan Tang Nan Lin Qinglong Liu Hai Ma |
| description | A multi-sector data correction method and system for gamma imaging while drilling. The method comprises the following steps: step one, dividing a gamma imaging sector into a plurality of count areas (S110); step two, during the process of performing measurement while drilling, compiling statistics on the number of valid count pulses of each count area at intervals of a set time period (S120); step three, constructing a plurality of measurement vectors on the basis of the number of recording instances of each count area (S130); step four, establishing, by using an optimization algorithm, a correction matrix with a condition number less than a set value (S140); and step five, calculating the gamma intensity of each measured sector by using a plurality of constructed measurement vectors and the correction matrix, so as to correct measurement data of each measured sector within each set time period (S150). By means of the method, the problems of rotation measurement distortion, etc. of a gamma-imaging-while-drilling instrument are eliminated, thereby improving a measurement result of the instrument, improving the calculation precision for a dip angle, and realizing high-precision geosteering drilling. |
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The method comprises the following steps: step one, dividing a gamma imaging sector into a plurality of count areas (S110); step two, during the process of performing measurement while drilling, compiling statistics on the number of valid count pulses of each count area at intervals of a set time period (S120); step three, constructing a plurality of measurement vectors on the basis of the number of recording instances of each count area (S130); step four, establishing, by using an optimization algorithm, a correction matrix with a condition number less than a set value (S140); and step five, calculating the gamma intensity of each measured sector by using a plurality of constructed measurement vectors and the correction matrix, so as to correct measurement data of each measured sector within each set time period (S150). By means of the method, the problems of rotation measurement distortion, etc. of a gamma-imaging-while-drilling instrument are eliminated, thereby improving a measurement result of the instrument, improving the calculation precision for a dip angle, and realizing high-precision geosteering drilling.</description><language>eng</language><subject>EARTH DRILLING ; EARTH DRILLING, e.g. DEEP DRILLING ; FIXED CONSTRUCTIONS ; MINING ; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230913&DB=EPODOC&CC=GB&NR=2616535A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230913&DB=EPODOC&CC=GB&NR=2616535A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Xiaolin Zhang</creatorcontrib><creatorcontrib>Xin Cheng</creatorcontrib><creatorcontrib>Quanjin Yang</creatorcontrib><creatorcontrib>Zhen Yang</creatorcontrib><creatorcontrib>Mingquan Huang</creatorcontrib><creatorcontrib>Zhiyong Zhang</creatorcontrib><creatorcontrib>Chuntian Han</creatorcontrib><creatorcontrib>Luyang Ding</creatorcontrib><creatorcontrib>Xiaohui Cui</creatorcontrib><creatorcontrib>Ningning Yang</creatorcontrib><creatorcontrib>Chao Lu</creatorcontrib><creatorcontrib>Haiquan Tang</creatorcontrib><creatorcontrib>Nan Lin</creatorcontrib><creatorcontrib>Qinglong Liu</creatorcontrib><creatorcontrib>Hai Ma</creatorcontrib><title>Multi-sector data correction method and system for gamma imaging while drilling</title><description>A multi-sector data correction method and system for gamma imaging while drilling. The method comprises the following steps: step one, dividing a gamma imaging sector into a plurality of count areas (S110); step two, during the process of performing measurement while drilling, compiling statistics on the number of valid count pulses of each count area at intervals of a set time period (S120); step three, constructing a plurality of measurement vectors on the basis of the number of recording instances of each count area (S130); step four, establishing, by using an optimization algorithm, a correction matrix with a condition number less than a set value (S140); and step five, calculating the gamma intensity of each measured sector by using a plurality of constructed measurement vectors and the correction matrix, so as to correct measurement data of each measured sector within each set time period (S150). By means of the method, the problems of rotation measurement distortion, etc. of a gamma-imaging-while-drilling instrument are eliminated, thereby improving a measurement result of the instrument, improving the calculation precision for a dip angle, and realizing high-precision geosteering drilling.</description><subject>EARTH DRILLING</subject><subject>EARTH DRILLING, e.g. DEEP DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>MINING</subject><subject>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFyr8KwjAQgPEsDqI-g_cCHbS0u4p_FnFxL0dyTQ9ySUlOxLc3g7vTxw--pXncX0G5KWQ1ZXCoCDblXMkpgpBOyQFGB-VTlATGenkUQWBBz9HDe-JA4DKHULk2ixFDoc2vK7O9nJ-nW0NzGqjMaCmSDtfjvt_1Xdsd2v_HF4vqNiE</recordid><startdate>20230913</startdate><enddate>20230913</enddate><creator>Xiaolin Zhang</creator><creator>Xin Cheng</creator><creator>Quanjin Yang</creator><creator>Zhen Yang</creator><creator>Mingquan Huang</creator><creator>Zhiyong Zhang</creator><creator>Chuntian Han</creator><creator>Luyang Ding</creator><creator>Xiaohui Cui</creator><creator>Ningning Yang</creator><creator>Chao Lu</creator><creator>Haiquan Tang</creator><creator>Nan Lin</creator><creator>Qinglong Liu</creator><creator>Hai Ma</creator><scope>EVB</scope></search><sort><creationdate>20230913</creationdate><title>Multi-sector data correction method and system for gamma imaging while drilling</title><author>Xiaolin Zhang ; Xin Cheng ; Quanjin Yang ; Zhen Yang ; Mingquan Huang ; Zhiyong Zhang ; Chuntian Han ; Luyang Ding ; Xiaohui Cui ; Ningning Yang ; Chao Lu ; Haiquan Tang ; Nan Lin ; Qinglong Liu ; Hai Ma</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB2616535A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2023</creationdate><topic>EARTH DRILLING</topic><topic>EARTH DRILLING, e.g. DEEP DRILLING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>MINING</topic><topic>OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS</topic><toplevel>online_resources</toplevel><creatorcontrib>Xiaolin Zhang</creatorcontrib><creatorcontrib>Xin Cheng</creatorcontrib><creatorcontrib>Quanjin Yang</creatorcontrib><creatorcontrib>Zhen Yang</creatorcontrib><creatorcontrib>Mingquan Huang</creatorcontrib><creatorcontrib>Zhiyong Zhang</creatorcontrib><creatorcontrib>Chuntian Han</creatorcontrib><creatorcontrib>Luyang Ding</creatorcontrib><creatorcontrib>Xiaohui Cui</creatorcontrib><creatorcontrib>Ningning Yang</creatorcontrib><creatorcontrib>Chao Lu</creatorcontrib><creatorcontrib>Haiquan Tang</creatorcontrib><creatorcontrib>Nan Lin</creatorcontrib><creatorcontrib>Qinglong Liu</creatorcontrib><creatorcontrib>Hai Ma</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Xiaolin Zhang</au><au>Xin Cheng</au><au>Quanjin Yang</au><au>Zhen Yang</au><au>Mingquan Huang</au><au>Zhiyong Zhang</au><au>Chuntian Han</au><au>Luyang Ding</au><au>Xiaohui Cui</au><au>Ningning Yang</au><au>Chao Lu</au><au>Haiquan Tang</au><au>Nan Lin</au><au>Qinglong Liu</au><au>Hai Ma</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Multi-sector data correction method and system for gamma imaging while drilling</title><date>2023-09-13</date><risdate>2023</risdate><abstract>A multi-sector data correction method and system for gamma imaging while drilling. The method comprises the following steps: step one, dividing a gamma imaging sector into a plurality of count areas (S110); step two, during the process of performing measurement while drilling, compiling statistics on the number of valid count pulses of each count area at intervals of a set time period (S120); step three, constructing a plurality of measurement vectors on the basis of the number of recording instances of each count area (S130); step four, establishing, by using an optimization algorithm, a correction matrix with a condition number less than a set value (S140); and step five, calculating the gamma intensity of each measured sector by using a plurality of constructed measurement vectors and the correction matrix, so as to correct measurement data of each measured sector within each set time period (S150). By means of the method, the problems of rotation measurement distortion, etc. of a gamma-imaging-while-drilling instrument are eliminated, thereby improving a measurement result of the instrument, improving the calculation precision for a dip angle, and realizing high-precision geosteering drilling.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | Multi-sector data correction method and system for gamma imaging while drilling |
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