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Author : Thomas Michael Daley
Publisher :
ISBN 13 :
Total Pages : 536 pages
Book Rating : 4.:/5 (29 download)
Download or read book Analysis of P- and S- Wave VSP Data from the Salton Sea Geothermal Field written by Thomas Michael Daley and published by . This book was released on 1987 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analysis of P- and S-wave VSP (vertical Seismic Profile) Data from the Salton Sea Geothermal Field written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: To understand any geophysical data, geologic information is necessary. This thesis will begin with a summary of the geology of the Salton Trough region and the Salton Sea Geothermal Field (SSGF). The information available from the SSSDP will also be summarized. After the geologic summary, the design of the VSP will be discussed, including acquisition equipment and procedures. The data processing procedures and software used will be discussed as a separate section. Processing procedures will also be described at various times in the thesis where more specialized procedures are used. Data analysis makes up the bulk of the thesis and it is divided into a number of sections detailing the basic VSP interpretation, the anisotropy analysis and the fracture detection and orientation analysis. A combined interpretation of the results, with probable geologic causes for observed events, is presented as a separate section from the data analysis. Finally, a summary of results for each of the goals stated above will be given. The reader should note that a large volume of data were collected and various display methods were used (from the standard wiggle-trace to three-component hodographs). Much of these data are left in the appendices with important or representative figures given in the body of the thesis. Also given in the appendices are listings of FORTRAN programs developed in conjunction with the thesis work. 46 refs., 63 figs., 12 tabs.
Author :
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ISBN 13 :
Total Pages : 992 pages
Book Rating : 4.3/5 (129 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1989 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 684 pages
Book Rating : 4.:/5 (318 download)
Download or read book National Earthquake Hazards Reduction Program, Summaries of Technical Reports, Volume XXVI written by and published by . This book was released on 1988 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geothermal Resources Council. Annual Meeting
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.F/5 ( download)
Download or read book New Horizons written by Geothermal Resources Council. Annual Meeting and published by . This book was released on 1988 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.A. Hudson
Publisher : Elsevier
ISBN 13 : 1483297977
Total Pages : 971 pages
Book Rating : 4.4/5 (832 download)
Download or read book Rock Testing and Site Characterization written by J.A. Hudson and published by Elsevier. This book was released on 2014-06-16 with total page 971 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rock Testing and Site Characterization
Author : Gerry E. Hendershot
Publisher :
ISBN 13 : 9780840602220
Total Pages : 982 pages
Book Rating : 4.6/5 (22 download)
Download or read book Use of Services for Family Planning and Infertility, United States, 1982 written by Gerry E. Hendershot and published by . This book was released on 1988 with total page 982 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1982 statistics on the use of family planning and infertility services presented in this report are preliminary results from Cycle III of the National Survey of Family Growth (NSFG), conducted by the National Center for Health Statistics. Data were collected through personal interviews with a multistage area probability sample of 7969 women aged 15-44. A detailed series of questions was asked to obtain relatively complete estimates of the extent and type of family planning services received. Statistics on family planning services are limited to women who were able to conceive 3 years before the interview date. Overall, 79% of currently mrried nonsterile women reported using some type of family planning service during the previous 3 years. There were no statistically significant differences between white (79%), black (75%) or Hispanic (77%) wives, or between the 2 income groups. The 1982 survey questions were more comprehensive than those of earlier cycles of the survey. The annual rate of visits for family planning services in 1982 was 1077 visits /1000 women. Teenagers had the highest annual visit rate (1581/1000) of any age group for all sources of family planning services combined. Visit rates declined sharply with age from 1447 at ages 15-24 to 479 at ages 35-44. Similar declines with age also were found in the visit rates for white and black women separately. Nevertheless, the annual visit rate for black women (1334/1000) was significantly higher than that for white women (1033). The highest overall visit rate was for black women 15-19 years of age (1867/1000). Nearly 2/3 of all family planning visits were to private medical sources. Teenagers of all races had higher family planning service visit rates to clinics than to private medical sources, as did black women age 15-24. White women age 20 and older had higher visit rates to private medical services than to clinics. Never married women had higher visit rates to clinics than currently or formerly married women. Data were also collected in 1982 on use of medical services for infertility by women who had difficulty in conceiving or carrying a pregnancy to term. About 1 million ever married women had 1 or more infertility visits in the 12 months before the interview. During the 3 years before interview, about 1.9 million women had infertility visits. For all ever married women, as well as for white and black women separately, infertility services were more likely to be secured from private medical sources than from clinics. The survey design, reliability of the estimates and the terms used are explained in the technical notes.
Author : Geothermal Resources Council
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.F/5 ( download)
Download or read book Geothermal Resources Council Bulletin written by Geothermal Resources Council and published by . This book was released on 1988 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 966 pages
Book Rating : 4.3/5 (91 download)
Download or read book Physics Briefs written by and published by . This book was released on 1989 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1012 pages
Book Rating : 4.3/5 (91 download)
Download or read book Comprehensive Rock Engineering: Rock testing and sit characterization written by and published by . This book was released on 1993 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Minyu Zhang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (883 download)
Download or read book S-wave Velocity Estimation Using Converted-wave VSP Data written by Minyu Zhang and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the key benefits of zero-offset vertical seismic profile (VSP) is to provide accurate velocity information in the vicinity of boreholes. For 3-component VSP, we usually pick the first break times of direct downgoing S-wave to estimate the S-wave velocity. However, the direct downgoing S-wave arrivals may be too weak to pick precisely. To mitigate this disadvantage, I present a new S-wave velocity estimation method using converted (P-to-S) waves in VSP data. Traveltimes of the strongest converted PS-wave are used to build an S-wave velocity model. Two synthetic traveltime datasets are generated and used to test the method. The first one, without noise, is used to investigate the sensitivities of results to different initial models. The inversion results are slightly different: the RMS error between the true velocity and the inverted velocity varies from 1 m/s to 10 m/s for different initial models. The second test, with random noise, explores the sensitivities of results to errors in picked traveltimes. Results show that the RMS error of output velocity varies from 2 m/s to 92 m/s when the RMS error of input traveltimes ranges from 0.1 ms to 8 ms. In addition to the synthetic tests, real 3-component zero-offset VSP and offset VSP datasets from the Huabei oil field, China are examined using the proposed method. The VSP survey used a dynamite source and 3-component receivers, with the receiver depth from 360 m to 2020 m. The inversion results show that, from 360 m to 900 m depths, the S-wave velocity derived from offset VSP fits quite well with that obtained from zero-offset VSP. The Vp/Vs is approximated 2.8 and the lithology is mudstone with sandstone. From 910 m to 2020 m, the S-wave velocity derived from offset VSP is close to that from zero-offset VSP. The Vp/Vs is around 1.7 and the lithology is primarily limestone and dolomite.
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ISBN 13 :
Total Pages : 1590 pages
Book Rating : 4.3/5 (129 download)
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.3/5 (126 download)
Download or read book Summaries of Physical Research in the Geosciences written by and published by . This book was released on 1986 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 988 pages
Book Rating : 4.3/5 (243 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1988 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1600 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1988 with total page 1600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1676 pages
Book Rating : 4.:/5 (45 download)
Download or read book Bibliography and Index of Geology written by and published by . This book was released on 1989 with total page 1676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bob Adrian Hardage
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.F/5 ( download)
Download or read book Combining P-wave and S-wave Seismic Data to Improve Prospect Evaluation written by Bob Adrian Hardage and published by . This book was released on 1996 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
