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Some Comments on the La Primavera Geothermal Field, Mexico
The La Primavera geothermal field is located about 20 km west of the city of Guadalajara, Jalisco, in the western part of the Mexican Neovolcanic Axis. Initial results of five deep exploration wells (down to 2000 m depth) were very promising; measured downhole temperatures exceed 300/sup 0/C. During production, however, downhole temperatures dropped, and the chemistry of the fluids changed. The analysis of geologic, mineralogic, geochemical, and well completion data indicate that colder fluids flow down the wellbore from shallower aquifers cooling the upper zones of the geothermal reservoir. This problem is attributed to inadequate well completions. Doubts have arisen about continuing the exploration of the field because of the somewhat disappointing drilling results. However, a more thorough analysis of all available data indicates that a good geothermal prospect might exist below 3000 m, and that it could be successfully developed with appropriately located and completed wells.
Date:
December 1, 1983
Creator:
A., B. Dominguez & Lippmann, M. J.
Object Type:
Article
System:
The UNT Digital Library
Some Comments on the La Primavera Geothermal Field, Mexico
The La Primavera geothermal field is located about 20 km west of the city of Guadalajara, Jalisco, in the western part of the Mexican Neovolcanic Axis. Initial results of five deep exploration wells (down to 2000 m depth) were very promising; measured downhole temperatures exceed 300{degrees}C. During production, however, downhole temperatures dropped, and the chemistry of the fluids changed. The analysis of geologic, mineralogic, geochemical, and well completion data indicate that colder fluids flow down the wellbore from shallower aqifers cooling the upper zones of the gothermal reservoir. This problem is attributed to inadequate well completions. Doubts have arisen about continuing the exploration of the field because of the somewhat disappointing drilling results. However, a more thorough analysis of all available data indicates that a good geothermal prospect might exist below 3000 m, and that it could be successfully developed with appropriately located and completed wells.
Date:
December 15, 1983
Creator:
A., Bernardo Dominguez & Lippmann, Marcelo J.
Object Type:
Article
System:
The UNT Digital Library
Crustal Rock Fracture Mechanics for Design and Control of Artificial Subsurface Cracks in Geothermal Energy Extraction Engineering ({Gamma}-Project)
Recently a significant role of artificial and/or natural cracks in the geothermal reservoir has been demonstrated in the literatures (Abe, H., et al., 1983, Nielson, D.L. and Hullen, J.B., 1983), where the cracks behave as fluid paths and/or heat exchanging surfaces. Until now, however, there are several problems such as a design procedure of hydraulic fracturing, and a quantitative estimate of fluid and heat transfer for reservoir design. In order to develop a design methodology of geothermal reservoir cracks, a special distinguished research project, named as ''{Lambda}-Project'', started at Tohoku University (5 years project, 1983-1988). In this project a basic fracture mechanics model of geothermal reservoir cracks is being demonstrated and its validation is being discussed both theoretically and experimentally. This paper descibes an outline of ''{Lambda}-Project''.
Date:
December 15, 1983
Creator:
Abe, Hiroyuki & Takahashi, Hideaki
Object Type:
Article
System:
The UNT Digital Library
Behaviors of Crack-Like Reservoirs by Means of Fracturing at Nigorikawa and Kakkonda Geothermal Fields
A basic concept of the geothermal reservoir as a set of cracks is first presented. Extensions of subsurface cracks during well stimulation treatments at Nigorikawa(Mori) and closure operations of production well-head valves at Kakkonda are analysed and their behaviors are demonstrated based on results of long-distance AE Measurements.
Date:
December 15, 1983
Creator:
Abe, Hiroyuki; Takahashi, Hideaki; Nakatsuka, Katsuto; Niitsuma, Hiroaki & Takanohashi, Morihiko
Object Type:
Article
System:
The UNT Digital Library
Supreme Court: Church-State Cases, October 1983 Term
This report provides an assessment of Supreme Court cases from the 1983-85 Term that involve issues involving the free exercise of religion. It provides a detailed review of the case Lynch v. Donnelly, and brief descriptions of twelve other cases that have not been reviewed.
Date:
December 14, 1983
Creator:
Ackerman, David M.
Object Type:
Report
System:
The UNT Digital Library
Color Concepts for the Art Student
The problem of this study is to determine the degree to which color concepts should be taught to the art student. There is a survey of the awareness of color through art history, the introduction of certain historical and recent information in the fields of physics, physiology, and psychology in relation to color and the art student, a review of the symbolic nature of color, an examination of the development of color notation or theories utilized by art students, and an attempt to integrate color more fully with the other art elements.
Date:
December 1983
Creator:
Adams, Donna Finch
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Factors Associated with Quality of Academic Programs and Types of Jobs Secured by Graduates of Handcrafted Textile Design Programs of Universities and Polytechnics in Nigeria
The problem with which this study is concerned is that of determining the possible differential effects of the alternative training patterns of handcrafted textile design students in universities and polytechnics in Nigeria on the scores in courses for their final-year training as well as the type of first employment that students secure after graduation.
Date:
December 1983
Creator:
Adetoro, Sheriffdeen Abayomi
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Advisory Council for Technical-Vocational Education in Texas Annual Report: 1983
Annual report of the Advisory Council for Technical-Vocational Education in Texas describing goals, activities, and accomplishments during fiscal year 1983
Date:
December 31, 1983
Creator:
Advisory Council for Technical-Vocational Education in Texas
Object Type:
Report
System:
The Portal to Texas History
Monopole search using an accelerator detector
A neutrino detector at the Brookhaven AGS has been used to investigate the feasibility of using an already constructed apparatus for GUT monopole searches. A flux limit (90%CL) of 5.2 x 10/sup -12/ cm/sup -2/ sec/sup -1/ str/sup -1/ was found. The limitations of such an approach are discussed.
Date:
December 20, 1983
Creator:
Ahrenes, L.A.; Aronson, S.H.; Connolly, P.L.; Erickson, T.E.; Gibbard, B.G.; Montag, M. et al.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0103.0578]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Officers for the Oklahoma City Republican Women's Club were installed during a recent meeting in the home of Mrs. John Taylor, 7909 NW Grand Blvd."
Date:
December 5, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0113.0671]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Bubble gum in a tube : No baseball cards or tiny comics in these."
Date:
December 2, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0194]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Christmas is only 15 days away, but the mayor's annual holiday party is even closer."
Date:
December 9, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0151.0453]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Eleanor Rahe (on program), Frances Dabney, Pres., Frances Oney, (on program) (City)"
Date:
December 5, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0155.0488]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Chris Day, 13-year-old from SW OKC chatting with Santa."
Date:
December 20, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0231.0576]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Breads, including one shaped like a bear, were baked by Mary Gubser as she prepared for the arrival of her children and grandchildren during the holidays."
Date:
December 13, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0251.0374]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Oklahoma City Slickers coach Brian Harvey has been keeping busy during the off-season by giving soccer clinics for youngsters across the state."
Date:
December 6, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0251.0375]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Harvey shows Bethany Barham, a seven-year-old second grader at Norman Monroe Elementary, how to trap a soccer ball with her feet."
Date:
December 6, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0251.0376]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Harvey shows Peter Liesenfeld hoe to move a ball to a teammate while his classmates await turns."
Date:
December 6, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0254.0166]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Chrystal Elway, left, and Damien Walker get toys from Jo Evans at the Head Start Center Christmas Party at Kerr Village, 3205 SW 15, last Friday."
Date:
December 16, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0261B.0148]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Julie White receives a Cabbage Patch doll from airport officer Jim Hollier."
Date:
December 21, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0311B.0001]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
December 5, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0311B.0002]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Jim Johnson works on videotape player as part of his media technician job at Central State University."
Date:
December 5, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0360.0541]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Niels Lauersen"
Date:
December 28, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0362.0220]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "A quilt depicting events at Living Word Academy was recently auctioned as a fund-raiser during a Country Folk Festival. Sharon Holcomb, left, and Janie Andrews, who worked on the project, show off the quilt in the offices of Living Word."
Date:
December 16, 1983
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History